├── lib ├── src │ ├── properties │ │ ├── color_picker.dart │ │ └── checkbox.dart │ ├── position.dart │ ├── inherit.dart │ ├── properties.dart │ ├── curve.dart │ ├── render_info.dart │ ├── background.dart │ ├── line_painter.dart │ ├── port.dart │ ├── controller.dart │ ├── custom_painter.dart │ ├── nodes.dart │ └── connections.dart └── node_editor.dart ├── examples └── advanced │ ├── linux │ ├── .gitignore │ ├── main.cc │ ├── flutter │ │ ├── generated_plugin_registrant.cc │ │ ├── generated_plugin_registrant.h │ │ ├── generated_plugins.cmake │ │ └── CMakeLists.txt │ ├── my_application.h │ ├── my_application.cc │ └── CMakeLists.txt │ ├── ios │ ├── Flutter │ │ ├── Debug.xcconfig │ │ ├── Release.xcconfig │ │ └── AppFrameworkInfo.plist │ ├── Runner │ │ ├── Runner-Bridging-Header.h │ │ ├── Assets.xcassets │ │ │ ├── LaunchImage.imageset │ │ │ │ ├── LaunchImage.png │ │ │ │ ├── LaunchImage@2x.png │ │ │ │ ├── LaunchImage@3x.png │ │ │ │ ├── README.md │ │ │ │ └── Contents.json │ │ │ └── AppIcon.appiconset │ │ │ │ ├── Icon-App-20x20@1x.png │ │ │ │ ├── Icon-App-20x20@2x.png │ │ │ │ ├── Icon-App-20x20@3x.png │ │ │ │ ├── Icon-App-29x29@1x.png │ │ │ │ ├── Icon-App-29x29@2x.png │ │ │ │ ├── Icon-App-29x29@3x.png │ │ │ │ ├── Icon-App-40x40@1x.png │ │ │ │ ├── Icon-App-40x40@2x.png │ │ │ │ ├── Icon-App-40x40@3x.png │ │ │ │ ├── Icon-App-60x60@2x.png │ │ │ │ ├── Icon-App-60x60@3x.png │ │ │ │ ├── Icon-App-76x76@1x.png │ │ │ │ ├── Icon-App-76x76@2x.png │ │ │ │ ├── Icon-App-1024x1024@1x.png │ │ │ │ ├── Icon-App-83.5x83.5@2x.png │ │ │ │ └── Contents.json │ │ ├── AppDelegate.swift │ │ ├── Base.lproj │ │ │ ├── Main.storyboard │ │ │ └── LaunchScreen.storyboard │ │ └── Info.plist │ ├── Runner.xcodeproj │ │ ├── project.xcworkspace │ │ │ ├── contents.xcworkspacedata │ │ │ └── xcshareddata │ │ │ │ ├── WorkspaceSettings.xcsettings │ │ │ │ └── IDEWorkspaceChecks.plist │ │ └── xcshareddata │ │ │ └── xcschemes │ │ │ └── Runner.xcscheme │ ├── Runner.xcworkspace │ │ ├── contents.xcworkspacedata │ │ └── xcshareddata │ │ │ ├── WorkspaceSettings.xcsettings │ │ │ └── IDEWorkspaceChecks.plist │ ├── RunnerTests │ │ └── RunnerTests.swift │ └── .gitignore │ ├── macos │ ├── Flutter │ │ ├── Flutter-Debug.xcconfig │ │ ├── Flutter-Release.xcconfig │ │ └── GeneratedPluginRegistrant.swift │ ├── Runner │ │ ├── Configs │ │ │ ├── Debug.xcconfig │ │ │ ├── Release.xcconfig │ │ │ ├── Warnings.xcconfig │ │ │ └── AppInfo.xcconfig │ │ ├── Assets.xcassets │ │ │ └── AppIcon.appiconset │ │ │ │ ├── app_icon_128.png │ │ │ │ ├── app_icon_16.png │ │ │ │ ├── app_icon_256.png │ │ │ │ ├── app_icon_32.png │ │ │ │ ├── app_icon_512.png │ │ │ │ ├── app_icon_64.png │ │ │ │ ├── app_icon_1024.png │ │ │ │ └── Contents.json │ │ ├── AppDelegate.swift │ │ ├── Release.entitlements │ │ ├── DebugProfile.entitlements │ │ ├── MainFlutterWindow.swift │ │ └── Info.plist │ ├── .gitignore │ ├── Runner.xcworkspace │ │ ├── contents.xcworkspacedata │ │ └── xcshareddata │ │ │ └── IDEWorkspaceChecks.plist │ ├── Runner.xcodeproj │ │ ├── project.xcworkspace │ │ │ └── xcshareddata │ │ │ │ └── IDEWorkspaceChecks.plist │ │ └── xcshareddata │ │ │ └── xcschemes │ │ │ └── Runner.xcscheme │ └── RunnerTests │ │ └── RunnerTests.swift │ ├── android │ ├── gradle.properties │ ├── app │ │ ├── src │ │ │ ├── main │ │ │ │ ├── res │ │ │ │ │ ├── mipmap-hdpi │ │ │ │ │ │ └── ic_launcher.png │ │ │ │ │ ├── mipmap-mdpi │ │ │ │ │ │ └── ic_launcher.png │ │ │ │ │ ├── mipmap-xhdpi │ │ │ │ │ │ └── ic_launcher.png │ │ │ │ │ ├── mipmap-xxhdpi │ │ │ │ │ │ └── ic_launcher.png │ │ │ │ │ ├── mipmap-xxxhdpi │ │ │ │ │ │ └── ic_launcher.png │ │ │ │ │ ├── drawable │ │ │ │ │ │ └── launch_background.xml │ │ │ │ │ ├── drawable-v21 │ │ │ │ │ │ └── launch_background.xml │ │ │ │ │ ├── values │ │ │ │ │ │ └── styles.xml │ │ │ │ │ └── values-night │ │ │ │ │ │ └── styles.xml │ │ │ │ ├── kotlin │ │ │ │ │ └── com │ │ │ │ │ │ └── example │ │ │ │ │ │ └── node_editor_ex_advanced │ │ │ │ │ │ └── MainActivity.kt │ │ │ │ └── AndroidManifest.xml │ │ │ ├── debug │ │ │ │ └── AndroidManifest.xml │ │ │ └── profile │ │ │ │ └── AndroidManifest.xml │ │ └── build.gradle │ ├── gradle │ │ └── wrapper │ │ │ └── gradle-wrapper.properties │ ├── .gitignore │ ├── settings.gradle │ └── build.gradle │ ├── windows │ ├── runner │ │ ├── resources │ │ │ └── app_icon.ico │ │ ├── resource.h │ │ ├── utils.h │ │ ├── runner.exe.manifest │ │ ├── flutter_window.h │ │ ├── main.cpp │ │ ├── CMakeLists.txt │ │ ├── utils.cpp │ │ ├── flutter_window.cpp │ │ ├── Runner.rc │ │ ├── win32_window.h │ │ └── win32_window.cpp │ ├── flutter │ │ ├── generated_plugin_registrant.cc │ │ ├── generated_plugin_registrant.h │ │ ├── generated_plugins.cmake │ │ └── CMakeLists.txt │ ├── .gitignore │ └── CMakeLists.txt │ ├── README.md │ ├── .gitignore │ ├── test │ └── widget_test.dart │ ├── analysis_options.yaml │ ├── .metadata │ ├── lib │ └── main.dart │ ├── pubspec.yaml │ ├── pubspec.lock │ └── pubspec.lock.orig ├── midia └── nodes.png ├── android ├── local.properties └── app │ └── src │ └── main │ └── java │ └── io │ └── flutter │ └── plugins │ └── GeneratedPluginRegistrant.java ├── CHANGELOG.md ├── analysis_options.yaml ├── macos └── Flutter │ ├── GeneratedPluginRegistrant.swift │ └── ephemeral │ ├── Flutter-Generated.xcconfig │ └── flutter_export_environment.sh ├── linux └── flutter │ ├── generated_plugin_registrant.cc │ ├── generated_plugin_registrant.h │ └── generated_plugins.cmake ├── windows └── flutter │ ├── generated_plugin_registrant.cc │ ├── generated_plugin_registrant.h │ └── generated_plugins.cmake ├── ios ├── Runner │ ├── GeneratedPluginRegistrant.m │ └── GeneratedPluginRegistrant.h └── Flutter │ ├── Generated.xcconfig │ └── flutter_export_environment.sh ├── test └── node_editor_test.dart ├── .metadata ├── .gitignore ├── LICENSE └── pubspec.yaml /lib/src/properties/color_picker.dart: -------------------------------------------------------------------------------- 1 | -------------------------------------------------------------------------------- /examples/advanced/linux/.gitignore: -------------------------------------------------------------------------------- 1 | flutter/ephemeral 2 | -------------------------------------------------------------------------------- /examples/advanced/ios/Flutter/Debug.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Generated.xcconfig" 2 | -------------------------------------------------------------------------------- /examples/advanced/ios/Flutter/Release.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Generated.xcconfig" 2 | -------------------------------------------------------------------------------- /examples/advanced/ios/Runner/Runner-Bridging-Header.h: -------------------------------------------------------------------------------- 1 | #import "GeneratedPluginRegistrant.h" 2 | -------------------------------------------------------------------------------- /midia/nodes.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/alexst07/flutter_node_editor/HEAD/midia/nodes.png -------------------------------------------------------------------------------- /examples/advanced/macos/Flutter/Flutter-Debug.xcconfig: -------------------------------------------------------------------------------- 1 | #include "ephemeral/Flutter-Generated.xcconfig" 2 | -------------------------------------------------------------------------------- /examples/advanced/macos/Flutter/Flutter-Release.xcconfig: -------------------------------------------------------------------------------- 1 | #include "ephemeral/Flutter-Generated.xcconfig" 2 | -------------------------------------------------------------------------------- /android/local.properties: -------------------------------------------------------------------------------- 1 | sdk.dir=/Users/alex/Library/Android/sdk 2 | flutter.sdk=/Users/alex/development/flutter -------------------------------------------------------------------------------- /examples/advanced/android/gradle.properties: -------------------------------------------------------------------------------- 1 | org.gradle.jvmargs=-Xmx1536M 2 | android.useAndroidX=true 3 | android.enableJetifier=true 4 | -------------------------------------------------------------------------------- /examples/advanced/macos/Runner/Configs/Debug.xcconfig: -------------------------------------------------------------------------------- 1 | #include "../../Flutter/Flutter-Debug.xcconfig" 2 | #include "Warnings.xcconfig" 3 | -------------------------------------------------------------------------------- /examples/advanced/macos/Runner/Configs/Release.xcconfig: -------------------------------------------------------------------------------- 1 | #include "../../Flutter/Flutter-Release.xcconfig" 2 | #include "Warnings.xcconfig" 3 | -------------------------------------------------------------------------------- /examples/advanced/macos/.gitignore: -------------------------------------------------------------------------------- 1 | # Flutter-related 2 | **/Flutter/ephemeral/ 3 | **/Pods/ 4 | 5 | # Xcode-related 6 | **/dgph 7 | **/xcuserdata/ 8 | -------------------------------------------------------------------------------- /CHANGELOG.md: -------------------------------------------------------------------------------- 1 | ## 0.0.4 2 | 3 | * Improve move operation for se several selected nodes. 4 | 5 | ## 0.0.3 6 | 7 | * Resolved Null subtype error of RenderBox. 8 | 9 | -------------------------------------------------------------------------------- /examples/advanced/windows/runner/resources/app_icon.ico: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/alexst07/flutter_node_editor/HEAD/examples/advanced/windows/runner/resources/app_icon.ico 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https://raw.githubusercontent.com/alexst07/flutter_node_editor/HEAD/examples/advanced/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png -------------------------------------------------------------------------------- /examples/advanced/linux/main.cc: -------------------------------------------------------------------------------- 1 | #include "my_application.h" 2 | 3 | int main(int argc, char** argv) { 4 | g_autoptr(MyApplication) app = my_application_new(); 5 | return g_application_run(G_APPLICATION(app), argc, argv); 6 | } 7 | -------------------------------------------------------------------------------- /examples/advanced/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/alexst07/flutter_node_editor/HEAD/examples/advanced/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png -------------------------------------------------------------------------------- /examples/advanced/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/alexst07/flutter_node_editor/HEAD/examples/advanced/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png -------------------------------------------------------------------------------- /macos/Flutter/GeneratedPluginRegistrant.swift: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | import FlutterMacOS 6 | import Foundation 7 | 8 | 9 | func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) { 10 | } 11 | -------------------------------------------------------------------------------- /examples/advanced/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /examples/advanced/ios/Runner.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /examples/advanced/macos/Runner.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /examples/advanced/android/app/src/main/kotlin/com/example/node_editor_ex_advanced/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.example.node_editor_ex_advanced 2 | 3 | import io.flutter.embedding.android.FlutterActivity 4 | 5 | class MainActivity: FlutterActivity() { 6 | } 7 | -------------------------------------------------------------------------------- /examples/advanced/macos/Flutter/GeneratedPluginRegistrant.swift: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | import FlutterMacOS 6 | import Foundation 7 | 8 | 9 | func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) { 10 | } 11 | -------------------------------------------------------------------------------- /linux/flutter/generated_plugin_registrant.cc: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | // clang-format off 6 | 7 | #include "generated_plugin_registrant.h" 8 | 9 | 10 | void fl_register_plugins(FlPluginRegistry* registry) { 11 | } 12 | -------------------------------------------------------------------------------- /windows/flutter/generated_plugin_registrant.cc: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | // clang-format off 6 | 7 | #include "generated_plugin_registrant.h" 8 | 9 | 10 | void RegisterPlugins(flutter::PluginRegistry* registry) { 11 | } 12 | -------------------------------------------------------------------------------- /examples/advanced/linux/flutter/generated_plugin_registrant.cc: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | // clang-format off 6 | 7 | #include "generated_plugin_registrant.h" 8 | 9 | 10 | void fl_register_plugins(FlPluginRegistry* registry) { 11 | } 12 | -------------------------------------------------------------------------------- /examples/advanced/android/gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionBase=GRADLE_USER_HOME 2 | distributionPath=wrapper/dists 3 | zipStoreBase=GRADLE_USER_HOME 4 | zipStorePath=wrapper/dists 5 | distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-all.zip 6 | -------------------------------------------------------------------------------- /examples/advanced/windows/flutter/generated_plugin_registrant.cc: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | // clang-format off 6 | 7 | #include "generated_plugin_registrant.h" 8 | 9 | 10 | void RegisterPlugins(flutter::PluginRegistry* registry) { 11 | } 12 | -------------------------------------------------------------------------------- /examples/advanced/macos/Runner/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | import Cocoa 2 | import FlutterMacOS 3 | 4 | @NSApplicationMain 5 | class AppDelegate: FlutterAppDelegate { 6 | override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool { 7 | return true 8 | } 9 | } 10 | -------------------------------------------------------------------------------- /examples/advanced/macos/Runner/Release.entitlements: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | com.apple.security.app-sandbox 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /ios/Runner/GeneratedPluginRegistrant.m: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | // clang-format off 6 | 7 | #import "GeneratedPluginRegistrant.h" 8 | 9 | @implementation GeneratedPluginRegistrant 10 | 11 | + (void)registerWithRegistry:(NSObject*)registry { 12 | } 13 | 14 | @end 15 | -------------------------------------------------------------------------------- /examples/advanced/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | PreviewsEnabled 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /examples/advanced/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /examples/advanced/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /test/node_editor_test.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter_test/flutter_test.dart'; 2 | 3 | void main() { 4 | test('adds one to input values', () { 5 | // final calculator = Calculator(); 6 | // expect(calculator.addOne(2), 3); 7 | // expect(calculator.addOne(-7), -6); 8 | // expect(calculator.addOne(0), 1); 9 | }); 10 | } 11 | -------------------------------------------------------------------------------- /examples/advanced/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | PreviewsEnabled 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /examples/advanced/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /examples/advanced/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /.metadata: -------------------------------------------------------------------------------- 1 | # This file tracks properties of this Flutter project. 2 | # Used by Flutter tool to assess capabilities and perform upgrades etc. 3 | # 4 | # This file should be version controlled and should not be manually edited. 5 | 6 | version: 7 | revision: 796c8ef79279f9c774545b3771238c3098dbefab 8 | channel: stable 9 | 10 | project_type: package 11 | -------------------------------------------------------------------------------- /examples/advanced/android/.gitignore: -------------------------------------------------------------------------------- 1 | gradle-wrapper.jar 2 | /.gradle 3 | /captures/ 4 | /gradlew 5 | /gradlew.bat 6 | /local.properties 7 | GeneratedPluginRegistrant.java 8 | 9 | # Remember to never publicly share your keystore. 10 | # See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app 11 | key.properties 12 | **/*.keystore 13 | **/*.jks 14 | -------------------------------------------------------------------------------- /examples/advanced/ios/RunnerTests/RunnerTests.swift: -------------------------------------------------------------------------------- 1 | import Flutter 2 | import UIKit 3 | import XCTest 4 | 5 | class RunnerTests: XCTestCase { 6 | 7 | func testExample() { 8 | // If you add code to the Runner application, consider adding tests here. 9 | // See https://developer.apple.com/documentation/xctest for more information about using XCTest. 10 | } 11 | 12 | } 13 | -------------------------------------------------------------------------------- /examples/advanced/macos/RunnerTests/RunnerTests.swift: -------------------------------------------------------------------------------- 1 | import FlutterMacOS 2 | import Cocoa 3 | import XCTest 4 | 5 | class RunnerTests: XCTestCase { 6 | 7 | func testExample() { 8 | // If you add code to the Runner application, consider adding tests here. 9 | // See https://developer.apple.com/documentation/xctest for more information about using XCTest. 10 | } 11 | 12 | } 13 | -------------------------------------------------------------------------------- /examples/advanced/windows/.gitignore: -------------------------------------------------------------------------------- 1 | flutter/ephemeral/ 2 | 3 | # Visual Studio user-specific files. 4 | *.suo 5 | *.user 6 | *.userosscache 7 | *.sln.docstates 8 | 9 | # Visual Studio build-related files. 10 | x64/ 11 | x86/ 12 | 13 | # Visual Studio cache files 14 | # files ending in .cache can be ignored 15 | *.[Cc]ache 16 | # but keep track of directories ending in .cache 17 | !*.[Cc]ache/ 18 | -------------------------------------------------------------------------------- /linux/flutter/generated_plugin_registrant.h: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | // clang-format off 6 | 7 | #ifndef GENERATED_PLUGIN_REGISTRANT_ 8 | #define GENERATED_PLUGIN_REGISTRANT_ 9 | 10 | #include 11 | 12 | // Registers Flutter plugins. 13 | void fl_register_plugins(FlPluginRegistry* registry); 14 | 15 | #endif // GENERATED_PLUGIN_REGISTRANT_ 16 | -------------------------------------------------------------------------------- /windows/flutter/generated_plugin_registrant.h: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | // clang-format off 6 | 7 | #ifndef GENERATED_PLUGIN_REGISTRANT_ 8 | #define GENERATED_PLUGIN_REGISTRANT_ 9 | 10 | #include 11 | 12 | // Registers Flutter plugins. 13 | void RegisterPlugins(flutter::PluginRegistry* registry); 14 | 15 | #endif // GENERATED_PLUGIN_REGISTRANT_ 16 | -------------------------------------------------------------------------------- /examples/advanced/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md: -------------------------------------------------------------------------------- 1 | # Launch Screen Assets 2 | 3 | You can customize the launch screen with your own desired assets by replacing the image files in this directory. 4 | 5 | You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images. -------------------------------------------------------------------------------- /examples/advanced/linux/flutter/generated_plugin_registrant.h: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | // clang-format off 6 | 7 | #ifndef GENERATED_PLUGIN_REGISTRANT_ 8 | #define GENERATED_PLUGIN_REGISTRANT_ 9 | 10 | #include 11 | 12 | // Registers Flutter plugins. 13 | void fl_register_plugins(FlPluginRegistry* registry); 14 | 15 | #endif // GENERATED_PLUGIN_REGISTRANT_ 16 | -------------------------------------------------------------------------------- /examples/advanced/windows/flutter/generated_plugin_registrant.h: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | // clang-format off 6 | 7 | #ifndef GENERATED_PLUGIN_REGISTRANT_ 8 | #define GENERATED_PLUGIN_REGISTRANT_ 9 | 10 | #include 11 | 12 | // Registers Flutter plugins. 13 | void RegisterPlugins(flutter::PluginRegistry* registry); 14 | 15 | #endif // GENERATED_PLUGIN_REGISTRANT_ 16 | -------------------------------------------------------------------------------- /examples/advanced/android/app/src/debug/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /examples/advanced/android/app/src/profile/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /examples/advanced/macos/Runner/DebugProfile.entitlements: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | com.apple.security.app-sandbox 6 | 7 | com.apple.security.cs.allow-jit 8 | 9 | com.apple.security.network.server 10 | 11 | 12 | 13 | -------------------------------------------------------------------------------- /macos/Flutter/ephemeral/Flutter-Generated.xcconfig: -------------------------------------------------------------------------------- 1 | // This is a generated file; do not edit or check into version control. 2 | FLUTTER_ROOT=/home/alex/flutter/flutter 3 | FLUTTER_APPLICATION_PATH=/home/alex/Projects/node_editor 4 | COCOAPODS_PARALLEL_CODE_SIGN=true 5 | FLUTTER_BUILD_DIR=build 6 | FLUTTER_BUILD_NAME=0.0.1 7 | FLUTTER_BUILD_NUMBER=0.0.1 8 | DART_OBFUSCATION=false 9 | TRACK_WIDGET_CREATION=true 10 | TREE_SHAKE_ICONS=false 11 | PACKAGE_CONFIG=.dart_tool/package_config.json 12 | -------------------------------------------------------------------------------- /ios/Runner/GeneratedPluginRegistrant.h: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | // clang-format off 6 | 7 | #ifndef GeneratedPluginRegistrant_h 8 | #define GeneratedPluginRegistrant_h 9 | 10 | #import 11 | 12 | NS_ASSUME_NONNULL_BEGIN 13 | 14 | @interface GeneratedPluginRegistrant : NSObject 15 | + (void)registerWithRegistry:(NSObject*)registry; 16 | @end 17 | 18 | NS_ASSUME_NONNULL_END 19 | #endif /* GeneratedPluginRegistrant_h */ 20 | -------------------------------------------------------------------------------- /examples/advanced/ios/Runner/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | import UIKit 2 | import Flutter 3 | 4 | @UIApplicationMain 5 | @objc class AppDelegate: FlutterAppDelegate { 6 | override func application( 7 | _ application: UIApplication, 8 | didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? 9 | ) -> Bool { 10 | GeneratedPluginRegistrant.register(with: self) 11 | return super.application(application, didFinishLaunchingWithOptions: launchOptions) 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /examples/advanced/macos/Runner/MainFlutterWindow.swift: -------------------------------------------------------------------------------- 1 | import Cocoa 2 | import FlutterMacOS 3 | 4 | class MainFlutterWindow: NSWindow { 5 | override func awakeFromNib() { 6 | let flutterViewController = FlutterViewController() 7 | let windowFrame = self.frame 8 | self.contentViewController = flutterViewController 9 | self.setFrame(windowFrame, display: true) 10 | 11 | RegisterGeneratedPlugins(registry: flutterViewController) 12 | 13 | super.awakeFromNib() 14 | } 15 | } 16 | -------------------------------------------------------------------------------- /examples/advanced/linux/my_application.h: -------------------------------------------------------------------------------- 1 | #ifndef FLUTTER_MY_APPLICATION_H_ 2 | #define FLUTTER_MY_APPLICATION_H_ 3 | 4 | #include 5 | 6 | G_DECLARE_FINAL_TYPE(MyApplication, my_application, MY, APPLICATION, 7 | GtkApplication) 8 | 9 | /** 10 | * my_application_new: 11 | * 12 | * Creates a new Flutter-based application. 13 | * 14 | * Returns: a new #MyApplication. 15 | */ 16 | MyApplication* my_application_new(); 17 | 18 | #endif // FLUTTER_MY_APPLICATION_H_ 19 | -------------------------------------------------------------------------------- /examples/advanced/windows/runner/resource.h: -------------------------------------------------------------------------------- 1 | //{{NO_DEPENDENCIES}} 2 | // Microsoft Visual C++ generated include file. 3 | // Used by Runner.rc 4 | // 5 | #define IDI_APP_ICON 101 6 | 7 | // Next default values for new objects 8 | // 9 | #ifdef APSTUDIO_INVOKED 10 | #ifndef APSTUDIO_READONLY_SYMBOLS 11 | #define _APS_NEXT_RESOURCE_VALUE 102 12 | #define _APS_NEXT_COMMAND_VALUE 40001 13 | #define _APS_NEXT_CONTROL_VALUE 1001 14 | #define _APS_NEXT_SYMED_VALUE 101 15 | #endif 16 | #endif 17 | -------------------------------------------------------------------------------- /examples/advanced/android/settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | 3 | def localPropertiesFile = new File(rootProject.projectDir, "local.properties") 4 | def properties = new Properties() 5 | 6 | assert localPropertiesFile.exists() 7 | localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) } 8 | 9 | def flutterSdkPath = properties.getProperty("flutter.sdk") 10 | assert flutterSdkPath != null, "flutter.sdk not set in local.properties" 11 | apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle" 12 | -------------------------------------------------------------------------------- /examples/advanced/android/app/src/main/res/drawable/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /examples/advanced/android/app/src/main/res/drawable-v21/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /examples/advanced/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "universal", 5 | "filename" : "LaunchImage.png", 6 | "scale" : "1x" 7 | }, 8 | { 9 | "idiom" : "universal", 10 | "filename" : "LaunchImage@2x.png", 11 | "scale" : "2x" 12 | }, 13 | { 14 | "idiom" : "universal", 15 | "filename" : "LaunchImage@3x.png", 16 | "scale" : "3x" 17 | } 18 | ], 19 | "info" : { 20 | "version" : 1, 21 | "author" : "xcode" 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /macos/Flutter/ephemeral/flutter_export_environment.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | # This is a generated file; do not edit or check into version control. 3 | export "FLUTTER_ROOT=/home/alex/flutter/flutter" 4 | export "FLUTTER_APPLICATION_PATH=/home/alex/Projects/node_editor" 5 | export "COCOAPODS_PARALLEL_CODE_SIGN=true" 6 | export "FLUTTER_BUILD_DIR=build" 7 | export "FLUTTER_BUILD_NAME=0.0.1" 8 | export "FLUTTER_BUILD_NUMBER=0.0.1" 9 | export "DART_OBFUSCATION=false" 10 | export "TRACK_WIDGET_CREATION=true" 11 | export "TREE_SHAKE_ICONS=false" 12 | export "PACKAGE_CONFIG=.dart_tool/package_config.json" 13 | -------------------------------------------------------------------------------- /ios/Flutter/Generated.xcconfig: -------------------------------------------------------------------------------- 1 | // This is a generated file; do not edit or check into version control. 2 | FLUTTER_ROOT=/Users/alex/development/flutter 3 | FLUTTER_APPLICATION_PATH=/Users/alex/Projects/flutter_node_editor 4 | COCOAPODS_PARALLEL_CODE_SIGN=true 5 | FLUTTER_TARGET=lib/main.dart 6 | FLUTTER_BUILD_DIR=build 7 | FLUTTER_BUILD_NAME=0.0.1 8 | FLUTTER_BUILD_NUMBER=0.0.1 9 | EXCLUDED_ARCHS[sdk=iphonesimulator*]=i386 10 | EXCLUDED_ARCHS[sdk=iphoneos*]=armv7 11 | DART_OBFUSCATION=false 12 | TRACK_WIDGET_CREATION=true 13 | TREE_SHAKE_ICONS=false 14 | PACKAGE_CONFIG=.dart_tool/package_config.json 15 | -------------------------------------------------------------------------------- /ios/Flutter/flutter_export_environment.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | # This is a generated file; do not edit or check into version control. 3 | export "FLUTTER_ROOT=/Users/alex/development/flutter" 4 | export "FLUTTER_APPLICATION_PATH=/Users/alex/Projects/flutter_node_editor" 5 | export "COCOAPODS_PARALLEL_CODE_SIGN=true" 6 | export "FLUTTER_TARGET=lib/main.dart" 7 | export "FLUTTER_BUILD_DIR=build" 8 | export "FLUTTER_BUILD_NAME=0.0.1" 9 | export "FLUTTER_BUILD_NUMBER=0.0.1" 10 | export "DART_OBFUSCATION=false" 11 | export "TRACK_WIDGET_CREATION=true" 12 | export "TREE_SHAKE_ICONS=false" 13 | export "PACKAGE_CONFIG=.dart_tool/package_config.json" 14 | -------------------------------------------------------------------------------- /examples/advanced/README.md: -------------------------------------------------------------------------------- 1 | # node_editor_ex_advanced 2 | 3 | Advanced project to teste node editor package 4 | 5 | ## Getting Started 6 | 7 | This project is a starting point for a Flutter application. 8 | 9 | A few resources to get you started if this is your first Flutter project: 10 | 11 | - [Lab: Write your first Flutter app](https://docs.flutter.dev/get-started/codelab) 12 | - [Cookbook: Useful Flutter samples](https://docs.flutter.dev/cookbook) 13 | 14 | For help getting started with Flutter development, view the 15 | [online documentation](https://docs.flutter.dev/), which offers tutorials, 16 | samples, guidance on mobile development, and a full API reference. 17 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Miscellaneous 2 | *.class 3 | *.log 4 | *.pyc 5 | *.swp 6 | .DS_Store 7 | .atom/ 8 | .buildlog/ 9 | .history 10 | .svn/ 11 | migrate_working_dir/ 12 | 13 | # IntelliJ related 14 | *.iml 15 | *.ipr 16 | *.iws 17 | .idea/ 18 | 19 | # The .vscode folder contains launch configuration and tasks you configure in 20 | # VS Code which you may wish to be included in version control, so this line 21 | # is commented out by default. 22 | #.vscode/ 23 | 24 | # Flutter/Dart/Pub related 25 | # Libraries should not include pubspec.lock, per https://dart.dev/guides/libraries/private-files#pubspeclock. 26 | /pubspec.lock 27 | **/doc/api/ 28 | .dart_tool/ 29 | .packages 30 | build/ 31 | -------------------------------------------------------------------------------- /examples/advanced/macos/Runner/Configs/Warnings.xcconfig: -------------------------------------------------------------------------------- 1 | WARNING_CFLAGS = -Wall -Wconditional-uninitialized -Wnullable-to-nonnull-conversion -Wmissing-method-return-type -Woverlength-strings 2 | GCC_WARN_UNDECLARED_SELECTOR = YES 3 | CLANG_UNDEFINED_BEHAVIOR_SANITIZER_NULLABILITY = YES 4 | CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE 5 | CLANG_WARN__DUPLICATE_METHOD_MATCH = YES 6 | CLANG_WARN_PRAGMA_PACK = YES 7 | CLANG_WARN_STRICT_PROTOTYPES = YES 8 | CLANG_WARN_COMMA = YES 9 | GCC_WARN_STRICT_SELECTOR_MATCH = YES 10 | CLANG_WARN_OBJC_REPEATED_USE_OF_WEAK = YES 11 | CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES 12 | GCC_WARN_SHADOW = YES 13 | CLANG_WARN_UNREACHABLE_CODE = YES 14 | -------------------------------------------------------------------------------- /android/app/src/main/java/io/flutter/plugins/GeneratedPluginRegistrant.java: -------------------------------------------------------------------------------- 1 | package io.flutter.plugins; 2 | 3 | import io.flutter.plugin.common.PluginRegistry; 4 | 5 | /** 6 | * Generated file. Do not edit. 7 | */ 8 | public final class GeneratedPluginRegistrant { 9 | public static void registerWith(PluginRegistry registry) { 10 | if (alreadyRegisteredWith(registry)) { 11 | return; 12 | } 13 | } 14 | 15 | private static boolean alreadyRegisteredWith(PluginRegistry registry) { 16 | final String key = GeneratedPluginRegistrant.class.getCanonicalName(); 17 | if (registry.hasPlugin(key)) { 18 | return true; 19 | } 20 | registry.registrarFor(key); 21 | return false; 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /examples/advanced/macos/Runner/Configs/AppInfo.xcconfig: -------------------------------------------------------------------------------- 1 | // Application-level settings for the Runner target. 2 | // 3 | // This may be replaced with something auto-generated from metadata (e.g., pubspec.yaml) in the 4 | // future. If not, the values below would default to using the project name when this becomes a 5 | // 'flutter create' template. 6 | 7 | // The application's name. By default this is also the title of the Flutter window. 8 | PRODUCT_NAME = node_editor_ex_advanced 9 | 10 | // The application's bundle identifier 11 | PRODUCT_BUNDLE_IDENTIFIER = com.example.nodeEditorExAdvanced 12 | 13 | // The copyright displayed in application information 14 | PRODUCT_COPYRIGHT = Copyright © 2023 com.example. All rights reserved. 15 | -------------------------------------------------------------------------------- /examples/advanced/ios/.gitignore: -------------------------------------------------------------------------------- 1 | **/dgph 2 | *.mode1v3 3 | *.mode2v3 4 | *.moved-aside 5 | *.pbxuser 6 | *.perspectivev3 7 | **/*sync/ 8 | .sconsign.dblite 9 | .tags* 10 | **/.vagrant/ 11 | **/DerivedData/ 12 | Icon? 13 | **/Pods/ 14 | **/.symlinks/ 15 | profile 16 | xcuserdata 17 | **/.generated/ 18 | Flutter/App.framework 19 | Flutter/Flutter.framework 20 | Flutter/Flutter.podspec 21 | Flutter/Generated.xcconfig 22 | Flutter/ephemeral/ 23 | Flutter/app.flx 24 | Flutter/app.zip 25 | Flutter/flutter_assets/ 26 | Flutter/flutter_export_environment.sh 27 | ServiceDefinitions.json 28 | Runner/GeneratedPluginRegistrant.* 29 | 30 | # Exceptions to above rules. 31 | !default.mode1v3 32 | !default.mode2v3 33 | !default.pbxuser 34 | !default.perspectivev3 35 | -------------------------------------------------------------------------------- /examples/advanced/android/build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | ext.kotlin_version = '1.7.10' 3 | repositories { 4 | google() 5 | mavenCentral() 6 | } 7 | 8 | dependencies { 9 | classpath 'com.android.tools.build:gradle:7.3.0' 10 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" 11 | } 12 | } 13 | 14 | allprojects { 15 | repositories { 16 | google() 17 | mavenCentral() 18 | } 19 | } 20 | 21 | rootProject.buildDir = '../build' 22 | subprojects { 23 | project.buildDir = "${rootProject.buildDir}/${project.name}" 24 | } 25 | subprojects { 26 | project.evaluationDependsOn(':app') 27 | } 28 | 29 | tasks.register("clean", Delete) { 30 | delete rootProject.buildDir 31 | } 32 | -------------------------------------------------------------------------------- /examples/advanced/windows/runner/utils.h: -------------------------------------------------------------------------------- 1 | #ifndef RUNNER_UTILS_H_ 2 | #define RUNNER_UTILS_H_ 3 | 4 | #include 5 | #include 6 | 7 | // Creates a console for the process, and redirects stdout and stderr to 8 | // it for both the runner and the Flutter library. 9 | void CreateAndAttachConsole(); 10 | 11 | // Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string 12 | // encoded in UTF-8. Returns an empty std::string on failure. 13 | std::string Utf8FromUtf16(const wchar_t* utf16_string); 14 | 15 | // Gets the command line arguments passed in as a std::vector, 16 | // encoded in UTF-8. Returns an empty std::vector on failure. 17 | std::vector GetCommandLineArguments(); 18 | 19 | #endif // RUNNER_UTILS_H_ 20 | -------------------------------------------------------------------------------- /lib/src/position.dart: -------------------------------------------------------------------------------- 1 | import 'dart:ui'; 2 | 3 | enum NodePositionType { 4 | custom, 5 | startScreen, 6 | centerScreen, 7 | afterLast, 8 | } 9 | 10 | class NodePosition { 11 | final Offset? position; 12 | final NodePositionType type; 13 | 14 | const NodePosition.custom(Offset pos) 15 | : position = pos, 16 | type = NodePositionType.custom; 17 | 18 | const NodePosition._set(NodePositionType typePos) 19 | : position = null, 20 | type = typePos; 21 | 22 | static const NodePosition startScreen = 23 | NodePosition._set(NodePositionType.startScreen); 24 | 25 | static const NodePosition centerScreen = 26 | NodePosition._set(NodePositionType.centerScreen); 27 | 28 | static const NodePosition afterLast = 29 | NodePosition._set(NodePositionType.afterLast); 30 | } 31 | -------------------------------------------------------------------------------- /lib/src/inherit.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | import 'controller.dart'; 4 | 5 | class ControllerInheritedWidget extends InheritedWidget { 6 | final NodeEditorController controller; 7 | 8 | const ControllerInheritedWidget({ 9 | Key? key, 10 | required this.controller, 11 | required Widget child, 12 | }) : super(key: key, child: child); 13 | 14 | static ControllerInheritedWidget of(BuildContext context) { 15 | final ControllerInheritedWidget? result = 16 | context.dependOnInheritedWidgetOfExactType(); 17 | assert(result != null, 'No ColorInheritedWidget found in context'); 18 | return result!; 19 | } 20 | 21 | @override 22 | bool updateShouldNotify(ControllerInheritedWidget oldWidget) { 23 | return controller != oldWidget.controller; 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /linux/flutter/generated_plugins.cmake: -------------------------------------------------------------------------------- 1 | # 2 | # Generated file, do not edit. 3 | # 4 | 5 | list(APPEND FLUTTER_PLUGIN_LIST 6 | ) 7 | 8 | list(APPEND FLUTTER_FFI_PLUGIN_LIST 9 | ) 10 | 11 | set(PLUGIN_BUNDLED_LIBRARIES) 12 | 13 | foreach(plugin ${FLUTTER_PLUGIN_LIST}) 14 | add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux plugins/${plugin}) 15 | target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) 16 | list(APPEND PLUGIN_BUNDLED_LIBRARIES $) 17 | list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) 18 | endforeach(plugin) 19 | 20 | foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST}) 21 | add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/linux plugins/${ffi_plugin}) 22 | list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries}) 23 | endforeach(ffi_plugin) 24 | -------------------------------------------------------------------------------- /windows/flutter/generated_plugins.cmake: -------------------------------------------------------------------------------- 1 | # 2 | # Generated file, do not edit. 3 | # 4 | 5 | list(APPEND FLUTTER_PLUGIN_LIST 6 | ) 7 | 8 | list(APPEND FLUTTER_FFI_PLUGIN_LIST 9 | ) 10 | 11 | set(PLUGIN_BUNDLED_LIBRARIES) 12 | 13 | foreach(plugin ${FLUTTER_PLUGIN_LIST}) 14 | add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin}) 15 | target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) 16 | list(APPEND PLUGIN_BUNDLED_LIBRARIES $) 17 | list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) 18 | endforeach(plugin) 19 | 20 | foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST}) 21 | add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin}) 22 | list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries}) 23 | endforeach(ffi_plugin) 24 | -------------------------------------------------------------------------------- /examples/advanced/linux/flutter/generated_plugins.cmake: -------------------------------------------------------------------------------- 1 | # 2 | # Generated file, do not edit. 3 | # 4 | 5 | list(APPEND FLUTTER_PLUGIN_LIST 6 | ) 7 | 8 | list(APPEND FLUTTER_FFI_PLUGIN_LIST 9 | ) 10 | 11 | set(PLUGIN_BUNDLED_LIBRARIES) 12 | 13 | foreach(plugin ${FLUTTER_PLUGIN_LIST}) 14 | add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux plugins/${plugin}) 15 | target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) 16 | list(APPEND PLUGIN_BUNDLED_LIBRARIES $) 17 | list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) 18 | endforeach(plugin) 19 | 20 | foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST}) 21 | add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/linux plugins/${ffi_plugin}) 22 | list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries}) 23 | endforeach(ffi_plugin) 24 | -------------------------------------------------------------------------------- /examples/advanced/windows/flutter/generated_plugins.cmake: -------------------------------------------------------------------------------- 1 | # 2 | # Generated file, do not edit. 3 | # 4 | 5 | list(APPEND FLUTTER_PLUGIN_LIST 6 | ) 7 | 8 | list(APPEND FLUTTER_FFI_PLUGIN_LIST 9 | ) 10 | 11 | set(PLUGIN_BUNDLED_LIBRARIES) 12 | 13 | foreach(plugin ${FLUTTER_PLUGIN_LIST}) 14 | add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin}) 15 | target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) 16 | list(APPEND PLUGIN_BUNDLED_LIBRARIES $) 17 | list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) 18 | endforeach(plugin) 19 | 20 | foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST}) 21 | add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin}) 22 | list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries}) 23 | endforeach(ffi_plugin) 24 | -------------------------------------------------------------------------------- /examples/advanced/.gitignore: -------------------------------------------------------------------------------- 1 | # Miscellaneous 2 | *.class 3 | *.log 4 | *.pyc 5 | *.swp 6 | .DS_Store 7 | .atom/ 8 | .buildlog/ 9 | .history 10 | .svn/ 11 | migrate_working_dir/ 12 | 13 | # IntelliJ related 14 | *.iml 15 | *.ipr 16 | *.iws 17 | .idea/ 18 | 19 | # The .vscode folder contains launch configuration and tasks you configure in 20 | # VS Code which you may wish to be included in version control, so this line 21 | # is commented out by default. 22 | #.vscode/ 23 | 24 | # Flutter/Dart/Pub related 25 | **/doc/api/ 26 | **/ios/Flutter/.last_build_id 27 | .dart_tool/ 28 | .flutter-plugins 29 | .flutter-plugins-dependencies 30 | .packages 31 | .pub-cache/ 32 | .pub/ 33 | /build/ 34 | 35 | # Symbolication related 36 | app.*.symbols 37 | 38 | # Obfuscation related 39 | app.*.map.json 40 | 41 | # Android Studio will place build artifacts here 42 | /android/app/debug 43 | /android/app/profile 44 | /android/app/release 45 | -------------------------------------------------------------------------------- /examples/advanced/ios/Flutter/AppFrameworkInfo.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | App 9 | CFBundleIdentifier 10 | io.flutter.flutter.app 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | App 15 | CFBundlePackageType 16 | FMWK 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1.0 23 | MinimumOSVersion 24 | 11.0 25 | 26 | 27 | -------------------------------------------------------------------------------- /lib/src/properties.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | import 'controller.dart'; 4 | import 'inherit.dart'; 5 | import 'node_widget.dart'; 6 | import 'nodes.dart'; 7 | 8 | mixin PropertyMixin { 9 | late Property property; 10 | late String nodeName; 11 | late NodeEditorController controller; 12 | 13 | void registerProperty(BuildContext context, String name, T defaultValue) { 14 | WidgetsBinding.instance.addPostFrameCallback((_) { 15 | property = Property(name: name, value: defaultValue); 16 | controller = ControllerInheritedWidget.of(context).controller; 17 | NodeEditorInheritedWidget node = NodeEditorInheritedWidget.of(context); 18 | nodeName = node.blueprintNode.name; 19 | controller.addProperty(nodeName, property); 20 | }); 21 | } 22 | 23 | void setPropertyValue(T value) { 24 | property.value = value; 25 | controller.addProperty(nodeName, property); 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /examples/advanced/windows/runner/runner.exe.manifest: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | PerMonitorV2 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | -------------------------------------------------------------------------------- /lib/node_editor.dart: -------------------------------------------------------------------------------- 1 | library node_editor; 2 | 3 | export 'src/background.dart' 4 | show NodeEditorBackgroundBase, SolidBackground, GridBackground; 5 | export 'src/connections.dart' show Connection, ConnectionTheme; 6 | export 'src/controller.dart' show NodeEditorController; 7 | export 'src/custom_painter.dart' show NodeEditor; 8 | export 'src/inherit.dart' show ControllerInheritedWidget; 9 | export 'src/node_widget.dart' 10 | show 11 | NodeWidgetBase, 12 | NodeEditorInheritedWidget, 13 | TitleBarNodeWidget, 14 | ContainerNodeWidget, 15 | BinaryOperationNode, 16 | UnaryOperationNode; 17 | export 'src/nodes.dart' show NodeModel; 18 | export 'src/port.dart' show InPortWidget, OutPortWidget; 19 | export 'src/position.dart' show NodePosition, NodePositionType; 20 | export 'src/properties.dart' show PropertyMixin; 21 | export 'src/properties/checkbox.dart' show CheckBoxProperty; 22 | export 'src/properties/dropdown.dart' show DropdownMenuProperty; 23 | export 'src/properties/text_edit.dart' show TextEditProperty; 24 | -------------------------------------------------------------------------------- /examples/advanced/windows/runner/flutter_window.h: -------------------------------------------------------------------------------- 1 | #ifndef RUNNER_FLUTTER_WINDOW_H_ 2 | #define RUNNER_FLUTTER_WINDOW_H_ 3 | 4 | #include 5 | #include 6 | 7 | #include 8 | 9 | #include "win32_window.h" 10 | 11 | // A window that does nothing but host a Flutter view. 12 | class FlutterWindow : public Win32Window { 13 | public: 14 | // Creates a new FlutterWindow hosting a Flutter view running |project|. 15 | explicit FlutterWindow(const flutter::DartProject& project); 16 | virtual ~FlutterWindow(); 17 | 18 | protected: 19 | // Win32Window: 20 | bool OnCreate() override; 21 | void OnDestroy() override; 22 | LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam, 23 | LPARAM const lparam) noexcept override; 24 | 25 | private: 26 | // The project to run. 27 | flutter::DartProject project_; 28 | 29 | // The Flutter instance hosted by this window. 30 | std::unique_ptr flutter_controller_; 31 | }; 32 | 33 | #endif // RUNNER_FLUTTER_WINDOW_H_ 34 | -------------------------------------------------------------------------------- /examples/advanced/android/app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 15 | 18 | 19 | -------------------------------------------------------------------------------- /examples/advanced/android/app/src/main/res/values-night/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 15 | 18 | 19 | -------------------------------------------------------------------------------- /examples/advanced/macos/Runner/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIconFile 10 | 11 | CFBundleIdentifier 12 | $(PRODUCT_BUNDLE_IDENTIFIER) 13 | CFBundleInfoDictionaryVersion 14 | 6.0 15 | CFBundleName 16 | $(PRODUCT_NAME) 17 | CFBundlePackageType 18 | APPL 19 | CFBundleShortVersionString 20 | $(FLUTTER_BUILD_NAME) 21 | CFBundleVersion 22 | $(FLUTTER_BUILD_NUMBER) 23 | LSMinimumSystemVersion 24 | $(MACOSX_DEPLOYMENT_TARGET) 25 | NSHumanReadableCopyright 26 | $(PRODUCT_COPYRIGHT) 27 | NSMainNibFile 28 | MainMenu 29 | NSPrincipalClass 30 | NSApplication 31 | 32 | 33 | -------------------------------------------------------------------------------- /examples/advanced/test/widget_test.dart: -------------------------------------------------------------------------------- 1 | // This is a basic Flutter widget test. 2 | // 3 | // To perform an interaction with a widget in your test, use the WidgetTester 4 | // utility in the flutter_test package. For example, you can send tap and scroll 5 | // gestures. You can also use WidgetTester to find child widgets in the widget 6 | // tree, read text, and verify that the values of widget properties are correct. 7 | 8 | import 'package:flutter/material.dart'; 9 | import 'package:flutter_test/flutter_test.dart'; 10 | 11 | import 'package:node_editor_ex_advanced/main.dart'; 12 | 13 | void main() { 14 | testWidgets('Counter increments smoke test', (WidgetTester tester) async { 15 | // Build our app and trigger a frame. 16 | await tester.pumpWidget(const MyApp()); 17 | 18 | // Verify that our counter starts at 0. 19 | expect(find.text('0'), findsOneWidget); 20 | expect(find.text('1'), findsNothing); 21 | 22 | // Tap the '+' icon and trigger a frame. 23 | await tester.tap(find.byIcon(Icons.add)); 24 | await tester.pump(); 25 | 26 | // Verify that our counter has incremented. 27 | expect(find.text('0'), findsNothing); 28 | expect(find.text('1'), findsOneWidget); 29 | }); 30 | } 31 | -------------------------------------------------------------------------------- /lib/src/curve.dart: -------------------------------------------------------------------------------- 1 | import 'dart:ui'; 2 | 3 | class ConnectionCurve { 4 | Path path; 5 | Paint paint; 6 | 7 | ConnectionCurve({required this.path, required this.paint}); 8 | } 9 | 10 | ConnectionCurve drawCurve( 11 | Offset startPoint, Offset endPoint, Color color, double strokeWidth) { 12 | var paint = Paint() 13 | ..color = color 14 | ..strokeWidth = strokeWidth 15 | ..style = PaintingStyle.stroke; 16 | 17 | // Adjust the amount of curve 18 | double curveDistance = 200.0; // You can adjust this value as needed 19 | 20 | // Control points for the bezier curve 21 | Offset controlPoint1; 22 | Offset controlPoint2; 23 | 24 | if (startPoint.dx > endPoint.dx) { 25 | // When startPoint is to the right of endPoint, curve outwards 26 | controlPoint1 = Offset(startPoint.dx + curveDistance, startPoint.dy); 27 | controlPoint2 = Offset(endPoint.dx - curveDistance, endPoint.dy); 28 | } else { 29 | // Regular straight bezier curve 30 | controlPoint1 = Offset((startPoint.dx + endPoint.dx) / 2, startPoint.dy); 31 | controlPoint2 = Offset((startPoint.dx + endPoint.dx) / 2, endPoint.dy); 32 | } 33 | 34 | var path = Path() 35 | ..moveTo(startPoint.dx, startPoint.dy) 36 | ..cubicTo(controlPoint1.dx, controlPoint1.dy, controlPoint2.dx, 37 | controlPoint2.dy, endPoint.dx, endPoint.dy); 38 | 39 | return ConnectionCurve(path: path, paint: paint); 40 | } 41 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Copyright 2024 Alex S Torres 2 | 3 | Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 4 | 5 | 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 6 | 7 | 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 8 | 9 | 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. 10 | 11 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -------------------------------------------------------------------------------- /examples/advanced/windows/runner/main.cpp: -------------------------------------------------------------------------------- 1 | #include 2 | #include 3 | #include 4 | 5 | #include "flutter_window.h" 6 | #include "utils.h" 7 | 8 | int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev, 9 | _In_ wchar_t *command_line, _In_ int show_command) { 10 | // Attach to console when present (e.g., 'flutter run') or create a 11 | // new console when running with a debugger. 12 | if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent()) { 13 | CreateAndAttachConsole(); 14 | } 15 | 16 | // Initialize COM, so that it is available for use in the library and/or 17 | // plugins. 18 | ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED); 19 | 20 | flutter::DartProject project(L"data"); 21 | 22 | std::vector command_line_arguments = 23 | GetCommandLineArguments(); 24 | 25 | project.set_dart_entrypoint_arguments(std::move(command_line_arguments)); 26 | 27 | FlutterWindow window(project); 28 | Win32Window::Point origin(10, 10); 29 | Win32Window::Size size(1280, 720); 30 | if (!window.Create(L"node_editor_ex_advanced", origin, size)) { 31 | return EXIT_FAILURE; 32 | } 33 | window.SetQuitOnClose(true); 34 | 35 | ::MSG msg; 36 | while (::GetMessage(&msg, nullptr, 0, 0)) { 37 | ::TranslateMessage(&msg); 38 | ::DispatchMessage(&msg); 39 | } 40 | 41 | ::CoUninitialize(); 42 | return EXIT_SUCCESS; 43 | } 44 | -------------------------------------------------------------------------------- /examples/advanced/analysis_options.yaml: -------------------------------------------------------------------------------- 1 | # This file configures the analyzer, which statically analyzes Dart code to 2 | # check for errors, warnings, and lints. 3 | # 4 | # The issues identified by the analyzer are surfaced in the UI of Dart-enabled 5 | # IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be 6 | # invoked from the command line by running `flutter analyze`. 7 | 8 | # The following line activates a set of recommended lints for Flutter apps, 9 | # packages, and plugins designed to encourage good coding practices. 10 | include: package:flutter_lints/flutter.yaml 11 | 12 | linter: 13 | # The lint rules applied to this project can be customized in the 14 | # section below to disable rules from the `package:flutter_lints/flutter.yaml` 15 | # included above or to enable additional rules. A list of all available lints 16 | # and their documentation is published at 17 | # https://dart-lang.github.io/linter/lints/index.html. 18 | # 19 | # Instead of disabling a lint rule for the entire project in the 20 | # section below, it can also be suppressed for a single line of code 21 | # or a specific dart file by using the `// ignore: name_of_lint` and 22 | # `// ignore_for_file: name_of_lint` syntax on the line or in the file 23 | # producing the lint. 24 | rules: 25 | # avoid_print: false # Uncomment to disable the `avoid_print` rule 26 | # prefer_single_quotes: true # Uncomment to enable the `prefer_single_quotes` rule 27 | 28 | # Additional information about this file can be found at 29 | # https://dart.dev/guides/language/analysis-options 30 | -------------------------------------------------------------------------------- /lib/src/render_info.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | import 'controller.dart'; 4 | import 'nodes.dart'; 5 | 6 | Size getObjectSize(GlobalKey key) { 7 | final RenderBox renderBox = 8 | key.currentContext?.findRenderObject() as RenderBox; 9 | return renderBox.size; 10 | } 11 | 12 | /// get the position of object in the screen, correcting by the position of 13 | /// vertical and horizontal scroll 14 | Offset getObjectPosition(NodeEditorController controller, GlobalKey key) { 15 | var obj = key.currentContext?.findRenderObject(); 16 | final RenderBox stackRenderBox = obj as RenderBox; 17 | 18 | // fix position by scroll position 19 | return stackRenderBox.localToGlobal(Offset.zero) - 20 | controller.stackPos! + 21 | Offset(controller.horizontalScrollController.offset, 22 | controller.verticalScrollController.offset); 23 | } 24 | 25 | Offset? getPortPosition(NodeEditorController controller, Port? port) { 26 | if (port == null) { 27 | return null; 28 | } 29 | 30 | if (port is InPort) { 31 | Offset? pos = getObjectPosition(controller, port.globalKey); 32 | Size iconSize = getObjectSize(port.globalKey); 33 | 34 | return Offset( 35 | pos.dx + iconSize.width * 3 / 4, pos.dy + iconSize.height / 2); 36 | } else if (port is OutPort) { 37 | Offset? pos = getObjectPosition(controller, port.globalKey); 38 | Size iconSize = getObjectSize(port.globalKey); 39 | 40 | return Offset( 41 | pos.dx + iconSize.width * 3 / 4, pos.dy + iconSize.height / 2); 42 | } else { 43 | throw Exception('Port type not valid'); 44 | } 45 | } 46 | -------------------------------------------------------------------------------- /lib/src/background.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | abstract class NodeEditorBackgroundBase { 4 | const NodeEditorBackgroundBase(); 5 | void paint(Canvas canvas, Size size); 6 | } 7 | 8 | class SolidBackground extends NodeEditorBackgroundBase { 9 | final Color color; 10 | const SolidBackground(this.color); 11 | @override 12 | void paint(Canvas canvas, Size size) { 13 | Paint backgroundPaint = Paint()..color = color; 14 | canvas.drawRect( 15 | Rect.fromLTWH(0, 0, size.width, size.height), backgroundPaint); 16 | } 17 | } 18 | 19 | class GridBackground extends NodeEditorBackgroundBase { 20 | final Color backgroundColor; 21 | final Color lineColor; 22 | final double spacing; 23 | final double strokeWidth; 24 | 25 | const GridBackground( 26 | {this.backgroundColor = const Color.fromRGBO(74, 72, 67, 1.0), 27 | this.lineColor = const Color.fromRGBO(30, 30, 30, 1.0), 28 | this.spacing = 20.0, 29 | this.strokeWidth = 0.5}); 30 | 31 | @override 32 | void paint(Canvas canvas, Size size) { 33 | var paint = Paint() 34 | ..color = lineColor 35 | ..strokeWidth = strokeWidth; 36 | 37 | Paint backgroundPaint = Paint()..color = backgroundColor; 38 | canvas.drawRect( 39 | Rect.fromLTWH(0, 0, size.width, size.height), backgroundPaint); 40 | 41 | for (double i = 0; i < size.width; i += spacing) { 42 | canvas.drawLine(Offset(i, 0), Offset(i, size.height), paint); 43 | } 44 | for (double j = 0; j < size.height; j += spacing) { 45 | canvas.drawLine(Offset(0, j), Offset(size.width, j), paint); 46 | } 47 | } 48 | } 49 | -------------------------------------------------------------------------------- /examples/advanced/macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "size" : "16x16", 5 | "idiom" : "mac", 6 | "filename" : "app_icon_16.png", 7 | "scale" : "1x" 8 | }, 9 | { 10 | "size" : "16x16", 11 | "idiom" : "mac", 12 | "filename" : "app_icon_32.png", 13 | "scale" : "2x" 14 | }, 15 | { 16 | "size" : "32x32", 17 | "idiom" : "mac", 18 | "filename" : "app_icon_32.png", 19 | "scale" : "1x" 20 | }, 21 | { 22 | "size" : "32x32", 23 | "idiom" : "mac", 24 | "filename" : "app_icon_64.png", 25 | "scale" : "2x" 26 | }, 27 | { 28 | "size" : "128x128", 29 | "idiom" : "mac", 30 | "filename" : "app_icon_128.png", 31 | "scale" : "1x" 32 | }, 33 | { 34 | "size" : "128x128", 35 | "idiom" : "mac", 36 | "filename" : "app_icon_256.png", 37 | "scale" : "2x" 38 | }, 39 | { 40 | "size" : "256x256", 41 | "idiom" : "mac", 42 | "filename" : "app_icon_256.png", 43 | "scale" : "1x" 44 | }, 45 | { 46 | "size" : "256x256", 47 | "idiom" : "mac", 48 | "filename" : "app_icon_512.png", 49 | "scale" : "2x" 50 | }, 51 | { 52 | "size" : "512x512", 53 | "idiom" : "mac", 54 | "filename" : "app_icon_512.png", 55 | "scale" : "1x" 56 | }, 57 | { 58 | "size" : "512x512", 59 | "idiom" : "mac", 60 | "filename" : "app_icon_1024.png", 61 | "scale" : "2x" 62 | } 63 | ], 64 | "info" : { 65 | "version" : 1, 66 | "author" : "xcode" 67 | } 68 | } 69 | -------------------------------------------------------------------------------- /examples/advanced/.metadata: -------------------------------------------------------------------------------- 1 | # This file tracks properties of this Flutter project. 2 | # Used by Flutter tool to assess capabilities and perform upgrades etc. 3 | # 4 | # This file should be version controlled. 5 | 6 | version: 7 | revision: 796c8ef79279f9c774545b3771238c3098dbefab 8 | channel: stable 9 | 10 | project_type: app 11 | 12 | # Tracks metadata for the flutter migrate command 13 | migration: 14 | platforms: 15 | - platform: root 16 | create_revision: 796c8ef79279f9c774545b3771238c3098dbefab 17 | base_revision: 796c8ef79279f9c774545b3771238c3098dbefab 18 | - platform: android 19 | create_revision: 796c8ef79279f9c774545b3771238c3098dbefab 20 | base_revision: 796c8ef79279f9c774545b3771238c3098dbefab 21 | - platform: ios 22 | create_revision: 796c8ef79279f9c774545b3771238c3098dbefab 23 | base_revision: 796c8ef79279f9c774545b3771238c3098dbefab 24 | - platform: linux 25 | create_revision: 796c8ef79279f9c774545b3771238c3098dbefab 26 | base_revision: 796c8ef79279f9c774545b3771238c3098dbefab 27 | - platform: macos 28 | create_revision: 796c8ef79279f9c774545b3771238c3098dbefab 29 | base_revision: 796c8ef79279f9c774545b3771238c3098dbefab 30 | - platform: windows 31 | create_revision: 796c8ef79279f9c774545b3771238c3098dbefab 32 | base_revision: 796c8ef79279f9c774545b3771238c3098dbefab 33 | 34 | # User provided section 35 | 36 | # List of Local paths (relative to this file) that should be 37 | # ignored by the migrate tool. 38 | # 39 | # Files that are not part of the templates will be ignored by default. 40 | unmanaged_files: 41 | - 'lib/main.dart' 42 | - 'ios/Runner.xcodeproj/project.pbxproj' 43 | -------------------------------------------------------------------------------- /examples/advanced/ios/Runner/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /examples/advanced/android/app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 14 | 18 | 22 | 23 | 24 | 25 | 26 | 27 | 29 | 32 | 33 | 34 | -------------------------------------------------------------------------------- /pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: node_editor 2 | description: Node editor package 3 | version: 0.0.5 4 | homepage: https://github.com/alexst07/flutter_node_editor 5 | 6 | environment: 7 | sdk: '>=3.0.5 <4.0.0' 8 | flutter: ">=1.17.0" 9 | 10 | dependencies: 11 | flutter: 12 | sdk: flutter 13 | 14 | dev_dependencies: 15 | flutter_test: 16 | sdk: flutter 17 | flutter_lints: ^2.0.0 18 | 19 | # For information on the generic Dart part of this file, see the 20 | # following page: https://dart.dev/tools/pub/pubspec 21 | 22 | # The following section is specific to Flutter packages. 23 | flutter: 24 | 25 | # To add assets to your package, add an assets section, like this: 26 | # assets: 27 | # - images/a_dot_burr.jpeg 28 | # - images/a_dot_ham.jpeg 29 | # 30 | # For details regarding assets in packages, see 31 | # https://flutter.dev/assets-and-images/#from-packages 32 | # 33 | # An image asset can refer to one or more resolution-specific "variants", see 34 | # https://flutter.dev/assets-and-images/#resolution-aware 35 | 36 | # To add custom fonts to your package, add a fonts section here, 37 | # in this "flutter" section. Each entry in this list should have a 38 | # "family" key with the font family name, and a "fonts" key with a 39 | # list giving the asset and other descriptors for the font. For 40 | # example: 41 | # fonts: 42 | # - family: Schyler 43 | # fonts: 44 | # - asset: fonts/Schyler-Regular.ttf 45 | # - asset: fonts/Schyler-Italic.ttf 46 | # style: italic 47 | # - family: Trajan Pro 48 | # fonts: 49 | # - asset: fonts/TrajanPro.ttf 50 | # - asset: fonts/TrajanPro_Bold.ttf 51 | # weight: 700 52 | # 53 | # For details regarding fonts in packages, see 54 | # https://flutter.dev/custom-fonts/#from-packages 55 | -------------------------------------------------------------------------------- /examples/advanced/ios/Runner/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleDisplayName 8 | Node Editor Ex Advanced 9 | CFBundleExecutable 10 | $(EXECUTABLE_NAME) 11 | CFBundleIdentifier 12 | $(PRODUCT_BUNDLE_IDENTIFIER) 13 | CFBundleInfoDictionaryVersion 14 | 6.0 15 | CFBundleName 16 | node_editor_ex_advanced 17 | CFBundlePackageType 18 | APPL 19 | CFBundleShortVersionString 20 | $(FLUTTER_BUILD_NAME) 21 | CFBundleSignature 22 | ???? 23 | CFBundleVersion 24 | $(FLUTTER_BUILD_NUMBER) 25 | LSRequiresIPhoneOS 26 | 27 | UILaunchStoryboardName 28 | LaunchScreen 29 | UIMainStoryboardFile 30 | Main 31 | UISupportedInterfaceOrientations 32 | 33 | UIInterfaceOrientationPortrait 34 | UIInterfaceOrientationLandscapeLeft 35 | UIInterfaceOrientationLandscapeRight 36 | 37 | UISupportedInterfaceOrientations~ipad 38 | 39 | UIInterfaceOrientationPortrait 40 | UIInterfaceOrientationPortraitUpsideDown 41 | UIInterfaceOrientationLandscapeLeft 42 | UIInterfaceOrientationLandscapeRight 43 | 44 | UIViewControllerBasedStatusBarAppearance 45 | 46 | CADisableMinimumFrameDurationOnPhone 47 | 48 | UIApplicationSupportsIndirectInputEvents 49 | 50 | 51 | 52 | -------------------------------------------------------------------------------- /examples/advanced/windows/runner/CMakeLists.txt: -------------------------------------------------------------------------------- 1 | cmake_minimum_required(VERSION 3.14) 2 | project(runner LANGUAGES CXX) 3 | 4 | # Define the application target. To change its name, change BINARY_NAME in the 5 | # top-level CMakeLists.txt, not the value here, or `flutter run` will no longer 6 | # work. 7 | # 8 | # Any new source files that you add to the application should be added here. 9 | add_executable(${BINARY_NAME} WIN32 10 | "flutter_window.cpp" 11 | "main.cpp" 12 | "utils.cpp" 13 | "win32_window.cpp" 14 | "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc" 15 | "Runner.rc" 16 | "runner.exe.manifest" 17 | ) 18 | 19 | # Apply the standard set of build settings. This can be removed for applications 20 | # that need different build settings. 21 | apply_standard_settings(${BINARY_NAME}) 22 | 23 | # Add preprocessor definitions for the build version. 24 | target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"") 25 | target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}") 26 | target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}") 27 | target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}") 28 | target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}") 29 | 30 | # Disable Windows macros that collide with C++ standard library functions. 31 | target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX") 32 | 33 | # Add dependency libraries and include directories. Add any application-specific 34 | # dependencies here. 35 | target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app) 36 | target_link_libraries(${BINARY_NAME} PRIVATE "dwmapi.lib") 37 | target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}") 38 | 39 | # Run the Flutter tool portions of the build. This must not be removed. 40 | add_dependencies(${BINARY_NAME} flutter_assemble) 41 | -------------------------------------------------------------------------------- /examples/advanced/windows/runner/utils.cpp: -------------------------------------------------------------------------------- 1 | #include "utils.h" 2 | 3 | #include 4 | #include 5 | #include 6 | #include 7 | 8 | #include 9 | 10 | void CreateAndAttachConsole() { 11 | if (::AllocConsole()) { 12 | FILE *unused; 13 | if (freopen_s(&unused, "CONOUT$", "w", stdout)) { 14 | _dup2(_fileno(stdout), 1); 15 | } 16 | if (freopen_s(&unused, "CONOUT$", "w", stderr)) { 17 | _dup2(_fileno(stdout), 2); 18 | } 19 | std::ios::sync_with_stdio(); 20 | FlutterDesktopResyncOutputStreams(); 21 | } 22 | } 23 | 24 | std::vector GetCommandLineArguments() { 25 | // Convert the UTF-16 command line arguments to UTF-8 for the Engine to use. 26 | int argc; 27 | wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc); 28 | if (argv == nullptr) { 29 | return std::vector(); 30 | } 31 | 32 | std::vector command_line_arguments; 33 | 34 | // Skip the first argument as it's the binary name. 35 | for (int i = 1; i < argc; i++) { 36 | command_line_arguments.push_back(Utf8FromUtf16(argv[i])); 37 | } 38 | 39 | ::LocalFree(argv); 40 | 41 | return command_line_arguments; 42 | } 43 | 44 | std::string Utf8FromUtf16(const wchar_t* utf16_string) { 45 | if (utf16_string == nullptr) { 46 | return std::string(); 47 | } 48 | int target_length = ::WideCharToMultiByte( 49 | CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, 50 | -1, nullptr, 0, nullptr, nullptr) 51 | -1; // remove the trailing null character 52 | int input_length = (int)wcslen(utf16_string); 53 | std::string utf8_string; 54 | if (target_length <= 0 || target_length > utf8_string.max_size()) { 55 | return utf8_string; 56 | } 57 | utf8_string.resize(target_length); 58 | int converted_length = ::WideCharToMultiByte( 59 | CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, 60 | input_length, utf8_string.data(), target_length, nullptr, nullptr); 61 | if (converted_length == 0) { 62 | return std::string(); 63 | } 64 | return utf8_string; 65 | } 66 | -------------------------------------------------------------------------------- /examples/advanced/windows/runner/flutter_window.cpp: -------------------------------------------------------------------------------- 1 | #include "flutter_window.h" 2 | 3 | #include 4 | 5 | #include "flutter/generated_plugin_registrant.h" 6 | 7 | FlutterWindow::FlutterWindow(const flutter::DartProject& project) 8 | : project_(project) {} 9 | 10 | FlutterWindow::~FlutterWindow() {} 11 | 12 | bool FlutterWindow::OnCreate() { 13 | if (!Win32Window::OnCreate()) { 14 | return false; 15 | } 16 | 17 | RECT frame = GetClientArea(); 18 | 19 | // The size here must match the window dimensions to avoid unnecessary surface 20 | // creation / destruction in the startup path. 21 | flutter_controller_ = std::make_unique( 22 | frame.right - frame.left, frame.bottom - frame.top, project_); 23 | // Ensure that basic setup of the controller was successful. 24 | if (!flutter_controller_->engine() || !flutter_controller_->view()) { 25 | return false; 26 | } 27 | RegisterPlugins(flutter_controller_->engine()); 28 | SetChildContent(flutter_controller_->view()->GetNativeWindow()); 29 | 30 | flutter_controller_->engine()->SetNextFrameCallback([&]() { 31 | this->Show(); 32 | }); 33 | 34 | return true; 35 | } 36 | 37 | void FlutterWindow::OnDestroy() { 38 | if (flutter_controller_) { 39 | flutter_controller_ = nullptr; 40 | } 41 | 42 | Win32Window::OnDestroy(); 43 | } 44 | 45 | LRESULT 46 | FlutterWindow::MessageHandler(HWND hwnd, UINT const message, 47 | WPARAM const wparam, 48 | LPARAM const lparam) noexcept { 49 | // Give Flutter, including plugins, an opportunity to handle window messages. 50 | if (flutter_controller_) { 51 | std::optional result = 52 | flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam, 53 | lparam); 54 | if (result) { 55 | return *result; 56 | } 57 | } 58 | 59 | switch (message) { 60 | case WM_FONTCHANGE: 61 | flutter_controller_->engine()->ReloadSystemFonts(); 62 | break; 63 | } 64 | 65 | return Win32Window::MessageHandler(hwnd, message, wparam, lparam); 66 | } 67 | -------------------------------------------------------------------------------- /examples/advanced/ios/Runner/Base.lproj/LaunchScreen.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | -------------------------------------------------------------------------------- /examples/advanced/android/app/build.gradle: -------------------------------------------------------------------------------- 1 | def localProperties = new Properties() 2 | def localPropertiesFile = rootProject.file('local.properties') 3 | if (localPropertiesFile.exists()) { 4 | localPropertiesFile.withReader('UTF-8') { reader -> 5 | localProperties.load(reader) 6 | } 7 | } 8 | 9 | def flutterRoot = localProperties.getProperty('flutter.sdk') 10 | if (flutterRoot == null) { 11 | throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.") 12 | } 13 | 14 | def flutterVersionCode = localProperties.getProperty('flutter.versionCode') 15 | if (flutterVersionCode == null) { 16 | flutterVersionCode = '1' 17 | } 18 | 19 | def flutterVersionName = localProperties.getProperty('flutter.versionName') 20 | if (flutterVersionName == null) { 21 | flutterVersionName = '1.0' 22 | } 23 | 24 | apply plugin: 'com.android.application' 25 | apply plugin: 'kotlin-android' 26 | apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle" 27 | 28 | android { 29 | namespace "com.example.node_editor_ex_advanced" 30 | compileSdkVersion flutter.compileSdkVersion 31 | ndkVersion flutter.ndkVersion 32 | 33 | compileOptions { 34 | sourceCompatibility JavaVersion.VERSION_1_8 35 | targetCompatibility JavaVersion.VERSION_1_8 36 | } 37 | 38 | kotlinOptions { 39 | jvmTarget = '1.8' 40 | } 41 | 42 | sourceSets { 43 | main.java.srcDirs += 'src/main/kotlin' 44 | } 45 | 46 | defaultConfig { 47 | // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). 48 | applicationId "com.example.node_editor_ex_advanced" 49 | // You can update the following values to match your application needs. 50 | // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration. 51 | minSdkVersion flutter.minSdkVersion 52 | targetSdkVersion flutter.targetSdkVersion 53 | versionCode flutterVersionCode.toInteger() 54 | versionName flutterVersionName 55 | } 56 | 57 | buildTypes { 58 | release { 59 | // TODO: Add your own signing config for the release build. 60 | // Signing with the debug keys for now, so `flutter run --release` works. 61 | signingConfig signingConfigs.debug 62 | } 63 | } 64 | } 65 | 66 | flutter { 67 | source '../..' 68 | } 69 | 70 | dependencies { 71 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 72 | } 73 | -------------------------------------------------------------------------------- /examples/advanced/linux/flutter/CMakeLists.txt: -------------------------------------------------------------------------------- 1 | # This file controls Flutter-level build steps. It should not be edited. 2 | cmake_minimum_required(VERSION 3.10) 3 | 4 | set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral") 5 | 6 | # Configuration provided via flutter tool. 7 | include(${EPHEMERAL_DIR}/generated_config.cmake) 8 | 9 | # TODO: Move the rest of this into files in ephemeral. See 10 | # https://github.com/flutter/flutter/issues/57146. 11 | 12 | # Serves the same purpose as list(TRANSFORM ... PREPEND ...), 13 | # which isn't available in 3.10. 14 | function(list_prepend LIST_NAME PREFIX) 15 | set(NEW_LIST "") 16 | foreach(element ${${LIST_NAME}}) 17 | list(APPEND NEW_LIST "${PREFIX}${element}") 18 | endforeach(element) 19 | set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE) 20 | endfunction() 21 | 22 | # === Flutter Library === 23 | # System-level dependencies. 24 | find_package(PkgConfig REQUIRED) 25 | pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0) 26 | pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0) 27 | pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0) 28 | 29 | set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so") 30 | 31 | # Published to parent scope for install step. 32 | set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE) 33 | set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE) 34 | set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE) 35 | set(AOT_LIBRARY "${PROJECT_DIR}/build/lib/libapp.so" PARENT_SCOPE) 36 | 37 | list(APPEND FLUTTER_LIBRARY_HEADERS 38 | "fl_basic_message_channel.h" 39 | "fl_binary_codec.h" 40 | "fl_binary_messenger.h" 41 | "fl_dart_project.h" 42 | "fl_engine.h" 43 | "fl_json_message_codec.h" 44 | "fl_json_method_codec.h" 45 | "fl_message_codec.h" 46 | "fl_method_call.h" 47 | "fl_method_channel.h" 48 | "fl_method_codec.h" 49 | "fl_method_response.h" 50 | "fl_plugin_registrar.h" 51 | "fl_plugin_registry.h" 52 | "fl_standard_message_codec.h" 53 | "fl_standard_method_codec.h" 54 | "fl_string_codec.h" 55 | "fl_value.h" 56 | "fl_view.h" 57 | "flutter_linux.h" 58 | ) 59 | list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/") 60 | add_library(flutter INTERFACE) 61 | target_include_directories(flutter INTERFACE 62 | "${EPHEMERAL_DIR}" 63 | ) 64 | target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}") 65 | target_link_libraries(flutter INTERFACE 66 | PkgConfig::GTK 67 | PkgConfig::GLIB 68 | PkgConfig::GIO 69 | ) 70 | add_dependencies(flutter flutter_assemble) 71 | 72 | # === Flutter tool backend === 73 | # _phony_ is a non-existent file to force this command to run every time, 74 | # since currently there's no way to get a full input/output list from the 75 | # flutter tool. 76 | add_custom_command( 77 | OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} 78 | ${CMAKE_CURRENT_BINARY_DIR}/_phony_ 79 | COMMAND ${CMAKE_COMMAND} -E env 80 | ${FLUTTER_TOOL_ENVIRONMENT} 81 | "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh" 82 | ${FLUTTER_TARGET_PLATFORM} ${CMAKE_BUILD_TYPE} 83 | VERBATIM 84 | ) 85 | add_custom_target(flutter_assemble DEPENDS 86 | "${FLUTTER_LIBRARY}" 87 | ${FLUTTER_LIBRARY_HEADERS} 88 | ) 89 | -------------------------------------------------------------------------------- /examples/advanced/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "size" : "20x20", 5 | "idiom" : "iphone", 6 | "filename" : "Icon-App-20x20@2x.png", 7 | "scale" : "2x" 8 | }, 9 | { 10 | "size" : "20x20", 11 | "idiom" : "iphone", 12 | "filename" : "Icon-App-20x20@3x.png", 13 | "scale" : "3x" 14 | }, 15 | { 16 | "size" : "29x29", 17 | "idiom" : "iphone", 18 | "filename" : "Icon-App-29x29@1x.png", 19 | "scale" : "1x" 20 | }, 21 | { 22 | "size" : "29x29", 23 | "idiom" : "iphone", 24 | "filename" : "Icon-App-29x29@2x.png", 25 | "scale" : "2x" 26 | }, 27 | { 28 | "size" : "29x29", 29 | "idiom" : "iphone", 30 | "filename" : "Icon-App-29x29@3x.png", 31 | "scale" : "3x" 32 | }, 33 | { 34 | "size" : "40x40", 35 | "idiom" : "iphone", 36 | "filename" : "Icon-App-40x40@2x.png", 37 | "scale" : "2x" 38 | }, 39 | { 40 | "size" : "40x40", 41 | "idiom" : "iphone", 42 | "filename" : "Icon-App-40x40@3x.png", 43 | "scale" : "3x" 44 | }, 45 | { 46 | "size" : "60x60", 47 | "idiom" : "iphone", 48 | "filename" : "Icon-App-60x60@2x.png", 49 | "scale" : "2x" 50 | }, 51 | { 52 | "size" : "60x60", 53 | "idiom" : "iphone", 54 | "filename" : "Icon-App-60x60@3x.png", 55 | "scale" : "3x" 56 | }, 57 | { 58 | "size" : "20x20", 59 | "idiom" : "ipad", 60 | "filename" : "Icon-App-20x20@1x.png", 61 | "scale" : "1x" 62 | }, 63 | { 64 | "size" : "20x20", 65 | "idiom" : "ipad", 66 | "filename" : "Icon-App-20x20@2x.png", 67 | "scale" : "2x" 68 | }, 69 | { 70 | "size" : "29x29", 71 | "idiom" : "ipad", 72 | "filename" : "Icon-App-29x29@1x.png", 73 | "scale" : "1x" 74 | }, 75 | { 76 | "size" : "29x29", 77 | "idiom" : "ipad", 78 | "filename" : "Icon-App-29x29@2x.png", 79 | "scale" : "2x" 80 | }, 81 | { 82 | "size" : "40x40", 83 | "idiom" : "ipad", 84 | "filename" : "Icon-App-40x40@1x.png", 85 | "scale" : "1x" 86 | }, 87 | { 88 | "size" : "40x40", 89 | "idiom" : "ipad", 90 | "filename" : "Icon-App-40x40@2x.png", 91 | "scale" : "2x" 92 | }, 93 | { 94 | "size" : "76x76", 95 | "idiom" : "ipad", 96 | "filename" : "Icon-App-76x76@1x.png", 97 | "scale" : "1x" 98 | }, 99 | { 100 | "size" : "76x76", 101 | "idiom" : "ipad", 102 | "filename" : "Icon-App-76x76@2x.png", 103 | "scale" : "2x" 104 | }, 105 | { 106 | "size" : "83.5x83.5", 107 | "idiom" : "ipad", 108 | "filename" : "Icon-App-83.5x83.5@2x.png", 109 | "scale" : "2x" 110 | }, 111 | { 112 | "size" : "1024x1024", 113 | "idiom" : "ios-marketing", 114 | "filename" : "Icon-App-1024x1024@1x.png", 115 | "scale" : "1x" 116 | } 117 | ], 118 | "info" : { 119 | "version" : 1, 120 | "author" : "xcode" 121 | } 122 | } 123 | -------------------------------------------------------------------------------- /examples/advanced/lib/main.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:node_editor/node_editor.dart'; 3 | 4 | import 'nodes.dart'; 5 | 6 | void main() { 7 | runApp(const MyApp()); 8 | } 9 | 10 | class MyApp extends StatelessWidget { 11 | const MyApp({super.key}); 12 | 13 | @override 14 | Widget build(BuildContext context) { 15 | return MaterialApp( 16 | title: 'Flutter Demo', 17 | theme: ThemeData( 18 | colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple), 19 | useMaterial3: true, 20 | ), 21 | home: const MyHomePage(title: 'Flutter Demo Home Page'), 22 | ); 23 | } 24 | } 25 | 26 | class MyHomePage extends StatefulWidget { 27 | const MyHomePage({super.key, required this.title}); 28 | 29 | final String title; 30 | 31 | @override 32 | State createState() => _MyHomePageState(); 33 | } 34 | 35 | class _MyHomePageState extends State { 36 | final NodeEditorController controller = NodeEditorController(); 37 | final FocusNode _focusNode = FocusNode(); 38 | final FocusNode _focusNode2 = FocusNode(); 39 | final TextEditingController _controller = TextEditingController(); 40 | @override 41 | void initState() { 42 | controller.addSelectListener((Connection conn) { 43 | debugPrint("ON SELECT inNode: ${conn.inNode}, inPort: ${conn.inPort}"); 44 | }); 45 | 46 | controller.addNode( 47 | componentNode('node_1_1'), 48 | NodePosition.afterLast, 49 | ); 50 | controller.addNode( 51 | componentNode('node_1_2'), 52 | NodePosition.afterLast, 53 | ); 54 | controller.addNode( 55 | componentNode('node_1_3'), 56 | NodePosition.afterLast, 57 | ); 58 | controller.addNode( 59 | receiverNode('node_2_1', _focusNode2, _controller), 60 | NodePosition.afterLast, 61 | ); 62 | controller.addNode( 63 | binaryNode('node_3_1'), 64 | NodePosition.afterLast, 65 | ); 66 | controller.addNode( 67 | sinkNode('node_4_1'), 68 | NodePosition.afterLast, 69 | ); 70 | super.initState(); 71 | } 72 | 73 | void _addNewNode() { 74 | controller.addNode( 75 | componentNode("new_node"), 76 | NodePosition.afterLast, 77 | ); 78 | } 79 | 80 | @override 81 | void dispose() { 82 | _focusNode.dispose(); 83 | super.dispose(); 84 | } 85 | 86 | @override 87 | Widget build(BuildContext context) { 88 | return Scaffold( 89 | appBar: AppBar( 90 | backgroundColor: Theme.of(context).colorScheme.inversePrimary, 91 | title: Text(widget.title), 92 | actions: [ 93 | IconButton( 94 | onPressed: () { 95 | debugPrint('controller.toMap(): ${controller.toJson()}'); 96 | }, 97 | icon: const Icon(Icons.abc)) 98 | ], 99 | ), 100 | body: NodeEditor( 101 | focusNode: _focusNode, 102 | controller: controller, 103 | background: const GridBackground(), 104 | infiniteCanvasSize: 5000, 105 | ), 106 | floatingActionButton: FloatingActionButton( 107 | onPressed: _addNewNode, 108 | child: const Icon(Icons.add), 109 | ), 110 | ); 111 | } 112 | } 113 | -------------------------------------------------------------------------------- /examples/advanced/windows/runner/Runner.rc: -------------------------------------------------------------------------------- 1 | // Microsoft Visual C++ generated resource script. 2 | // 3 | #pragma code_page(65001) 4 | #include "resource.h" 5 | 6 | #define APSTUDIO_READONLY_SYMBOLS 7 | ///////////////////////////////////////////////////////////////////////////// 8 | // 9 | // Generated from the TEXTINCLUDE 2 resource. 10 | // 11 | #include "winres.h" 12 | 13 | ///////////////////////////////////////////////////////////////////////////// 14 | #undef APSTUDIO_READONLY_SYMBOLS 15 | 16 | ///////////////////////////////////////////////////////////////////////////// 17 | // English (United States) resources 18 | 19 | #if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) 20 | LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US 21 | 22 | #ifdef APSTUDIO_INVOKED 23 | ///////////////////////////////////////////////////////////////////////////// 24 | // 25 | // TEXTINCLUDE 26 | // 27 | 28 | 1 TEXTINCLUDE 29 | BEGIN 30 | "resource.h\0" 31 | END 32 | 33 | 2 TEXTINCLUDE 34 | BEGIN 35 | "#include ""winres.h""\r\n" 36 | "\0" 37 | END 38 | 39 | 3 TEXTINCLUDE 40 | BEGIN 41 | "\r\n" 42 | "\0" 43 | END 44 | 45 | #endif // APSTUDIO_INVOKED 46 | 47 | 48 | ///////////////////////////////////////////////////////////////////////////// 49 | // 50 | // Icon 51 | // 52 | 53 | // Icon with lowest ID value placed first to ensure application icon 54 | // remains consistent on all systems. 55 | IDI_APP_ICON ICON "resources\\app_icon.ico" 56 | 57 | 58 | ///////////////////////////////////////////////////////////////////////////// 59 | // 60 | // Version 61 | // 62 | 63 | #if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD) 64 | #define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD 65 | #else 66 | #define VERSION_AS_NUMBER 1,0,0,0 67 | #endif 68 | 69 | #if defined(FLUTTER_VERSION) 70 | #define VERSION_AS_STRING FLUTTER_VERSION 71 | #else 72 | #define VERSION_AS_STRING "1.0.0" 73 | #endif 74 | 75 | VS_VERSION_INFO VERSIONINFO 76 | FILEVERSION VERSION_AS_NUMBER 77 | PRODUCTVERSION VERSION_AS_NUMBER 78 | FILEFLAGSMASK VS_FFI_FILEFLAGSMASK 79 | #ifdef _DEBUG 80 | FILEFLAGS VS_FF_DEBUG 81 | #else 82 | FILEFLAGS 0x0L 83 | #endif 84 | FILEOS VOS__WINDOWS32 85 | FILETYPE VFT_APP 86 | FILESUBTYPE 0x0L 87 | BEGIN 88 | BLOCK "StringFileInfo" 89 | BEGIN 90 | BLOCK "040904e4" 91 | BEGIN 92 | VALUE "CompanyName", "com.example" "\0" 93 | VALUE "FileDescription", "node_editor_ex_advanced" "\0" 94 | VALUE "FileVersion", VERSION_AS_STRING "\0" 95 | VALUE "InternalName", "node_editor_ex_advanced" "\0" 96 | VALUE "LegalCopyright", "Copyright (C) 2023 com.example. All rights reserved." "\0" 97 | VALUE "OriginalFilename", "node_editor_ex_advanced.exe" "\0" 98 | VALUE "ProductName", "node_editor_ex_advanced" "\0" 99 | VALUE "ProductVersion", VERSION_AS_STRING "\0" 100 | END 101 | END 102 | BLOCK "VarFileInfo" 103 | BEGIN 104 | VALUE "Translation", 0x409, 1252 105 | END 106 | END 107 | 108 | #endif // English (United States) resources 109 | ///////////////////////////////////////////////////////////////////////////// 110 | 111 | 112 | 113 | #ifndef APSTUDIO_INVOKED 114 | ///////////////////////////////////////////////////////////////////////////// 115 | // 116 | // Generated from the TEXTINCLUDE 3 resource. 117 | // 118 | 119 | 120 | ///////////////////////////////////////////////////////////////////////////// 121 | #endif // not APSTUDIO_INVOKED 122 | -------------------------------------------------------------------------------- /examples/advanced/windows/runner/win32_window.h: -------------------------------------------------------------------------------- 1 | #ifndef RUNNER_WIN32_WINDOW_H_ 2 | #define RUNNER_WIN32_WINDOW_H_ 3 | 4 | #include 5 | 6 | #include 7 | #include 8 | #include 9 | 10 | // A class abstraction for a high DPI-aware Win32 Window. Intended to be 11 | // inherited from by classes that wish to specialize with custom 12 | // rendering and input handling 13 | class Win32Window { 14 | public: 15 | struct Point { 16 | unsigned int x; 17 | unsigned int y; 18 | Point(unsigned int x, unsigned int y) : x(x), y(y) {} 19 | }; 20 | 21 | struct Size { 22 | unsigned int width; 23 | unsigned int height; 24 | Size(unsigned int width, unsigned int height) 25 | : width(width), height(height) {} 26 | }; 27 | 28 | Win32Window(); 29 | virtual ~Win32Window(); 30 | 31 | // Creates a win32 window with |title| that is positioned and sized using 32 | // |origin| and |size|. New windows are created on the default monitor. Window 33 | // sizes are specified to the OS in physical pixels, hence to ensure a 34 | // consistent size this function will scale the inputted width and height as 35 | // as appropriate for the default monitor. The window is invisible until 36 | // |Show| is called. Returns true if the window was created successfully. 37 | bool Create(const std::wstring& title, const Point& origin, const Size& size); 38 | 39 | // Show the current window. Returns true if the window was successfully shown. 40 | bool Show(); 41 | 42 | // Release OS resources associated with window. 43 | void Destroy(); 44 | 45 | // Inserts |content| into the window tree. 46 | void SetChildContent(HWND content); 47 | 48 | // Returns the backing Window handle to enable clients to set icon and other 49 | // window properties. Returns nullptr if the window has been destroyed. 50 | HWND GetHandle(); 51 | 52 | // If true, closing this window will quit the application. 53 | void SetQuitOnClose(bool quit_on_close); 54 | 55 | // Return a RECT representing the bounds of the current client area. 56 | RECT GetClientArea(); 57 | 58 | protected: 59 | // Processes and route salient window messages for mouse handling, 60 | // size change and DPI. Delegates handling of these to member overloads that 61 | // inheriting classes can handle. 62 | virtual LRESULT MessageHandler(HWND window, 63 | UINT const message, 64 | WPARAM const wparam, 65 | LPARAM const lparam) noexcept; 66 | 67 | // Called when CreateAndShow is called, allowing subclass window-related 68 | // setup. Subclasses should return false if setup fails. 69 | virtual bool OnCreate(); 70 | 71 | // Called when Destroy is called. 72 | virtual void OnDestroy(); 73 | 74 | private: 75 | friend class WindowClassRegistrar; 76 | 77 | // OS callback called by message pump. Handles the WM_NCCREATE message which 78 | // is passed when the non-client area is being created and enables automatic 79 | // non-client DPI scaling so that the non-client area automatically 80 | // responds to changes in DPI. All other messages are handled by 81 | // MessageHandler. 82 | static LRESULT CALLBACK WndProc(HWND const window, 83 | UINT const message, 84 | WPARAM const wparam, 85 | LPARAM const lparam) noexcept; 86 | 87 | // Retrieves a class instance pointer for |window| 88 | static Win32Window* GetThisFromHandle(HWND const window) noexcept; 89 | 90 | // Update the window frame's theme to match the system theme. 91 | static void UpdateTheme(HWND const window); 92 | 93 | bool quit_on_close_ = false; 94 | 95 | // window handle for top level window. 96 | HWND window_handle_ = nullptr; 97 | 98 | // window handle for hosted content. 99 | HWND child_content_ = nullptr; 100 | }; 101 | 102 | #endif // RUNNER_WIN32_WINDOW_H_ 103 | -------------------------------------------------------------------------------- /examples/advanced/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 37 | 38 | 39 | 40 | 43 | 49 | 50 | 51 | 52 | 53 | 63 | 65 | 71 | 72 | 73 | 74 | 80 | 82 | 88 | 89 | 90 | 91 | 93 | 94 | 97 | 98 | 99 | -------------------------------------------------------------------------------- /examples/advanced/windows/flutter/CMakeLists.txt: -------------------------------------------------------------------------------- 1 | # This file controls Flutter-level build steps. It should not be edited. 2 | cmake_minimum_required(VERSION 3.14) 3 | 4 | set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral") 5 | 6 | # Configuration provided via flutter tool. 7 | include(${EPHEMERAL_DIR}/generated_config.cmake) 8 | 9 | # TODO: Move the rest of this into files in ephemeral. See 10 | # https://github.com/flutter/flutter/issues/57146. 11 | set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper") 12 | 13 | # === Flutter Library === 14 | set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll") 15 | 16 | # Published to parent scope for install step. 17 | set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE) 18 | set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE) 19 | set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE) 20 | set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE) 21 | 22 | list(APPEND FLUTTER_LIBRARY_HEADERS 23 | "flutter_export.h" 24 | "flutter_windows.h" 25 | "flutter_messenger.h" 26 | "flutter_plugin_registrar.h" 27 | "flutter_texture_registrar.h" 28 | ) 29 | list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/") 30 | add_library(flutter INTERFACE) 31 | target_include_directories(flutter INTERFACE 32 | "${EPHEMERAL_DIR}" 33 | ) 34 | target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib") 35 | add_dependencies(flutter flutter_assemble) 36 | 37 | # === Wrapper === 38 | list(APPEND CPP_WRAPPER_SOURCES_CORE 39 | "core_implementations.cc" 40 | "standard_codec.cc" 41 | ) 42 | list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/") 43 | list(APPEND CPP_WRAPPER_SOURCES_PLUGIN 44 | "plugin_registrar.cc" 45 | ) 46 | list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/") 47 | list(APPEND CPP_WRAPPER_SOURCES_APP 48 | "flutter_engine.cc" 49 | "flutter_view_controller.cc" 50 | ) 51 | list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/") 52 | 53 | # Wrapper sources needed for a plugin. 54 | add_library(flutter_wrapper_plugin STATIC 55 | ${CPP_WRAPPER_SOURCES_CORE} 56 | ${CPP_WRAPPER_SOURCES_PLUGIN} 57 | ) 58 | apply_standard_settings(flutter_wrapper_plugin) 59 | set_target_properties(flutter_wrapper_plugin PROPERTIES 60 | POSITION_INDEPENDENT_CODE ON) 61 | set_target_properties(flutter_wrapper_plugin PROPERTIES 62 | CXX_VISIBILITY_PRESET hidden) 63 | target_link_libraries(flutter_wrapper_plugin PUBLIC flutter) 64 | target_include_directories(flutter_wrapper_plugin PUBLIC 65 | "${WRAPPER_ROOT}/include" 66 | ) 67 | add_dependencies(flutter_wrapper_plugin flutter_assemble) 68 | 69 | # Wrapper sources needed for the runner. 70 | add_library(flutter_wrapper_app STATIC 71 | ${CPP_WRAPPER_SOURCES_CORE} 72 | ${CPP_WRAPPER_SOURCES_APP} 73 | ) 74 | apply_standard_settings(flutter_wrapper_app) 75 | target_link_libraries(flutter_wrapper_app PUBLIC flutter) 76 | target_include_directories(flutter_wrapper_app PUBLIC 77 | "${WRAPPER_ROOT}/include" 78 | ) 79 | add_dependencies(flutter_wrapper_app flutter_assemble) 80 | 81 | # === Flutter tool backend === 82 | # _phony_ is a non-existent file to force this command to run every time, 83 | # since currently there's no way to get a full input/output list from the 84 | # flutter tool. 85 | set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_") 86 | set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE) 87 | add_custom_command( 88 | OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} 89 | ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN} 90 | ${CPP_WRAPPER_SOURCES_APP} 91 | ${PHONY_OUTPUT} 92 | COMMAND ${CMAKE_COMMAND} -E env 93 | ${FLUTTER_TOOL_ENVIRONMENT} 94 | "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat" 95 | windows-x64 $ 96 | VERBATIM 97 | ) 98 | add_custom_target(flutter_assemble DEPENDS 99 | "${FLUTTER_LIBRARY}" 100 | ${FLUTTER_LIBRARY_HEADERS} 101 | ${CPP_WRAPPER_SOURCES_CORE} 102 | ${CPP_WRAPPER_SOURCES_PLUGIN} 103 | ${CPP_WRAPPER_SOURCES_APP} 104 | ) 105 | -------------------------------------------------------------------------------- /examples/advanced/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 37 | 38 | 39 | 40 | 43 | 49 | 50 | 51 | 52 | 53 | 63 | 65 | 71 | 72 | 73 | 74 | 80 | 82 | 88 | 89 | 90 | 91 | 93 | 94 | 97 | 98 | 99 | -------------------------------------------------------------------------------- /examples/advanced/linux/my_application.cc: -------------------------------------------------------------------------------- 1 | #include "my_application.h" 2 | 3 | #include 4 | #ifdef GDK_WINDOWING_X11 5 | #include 6 | #endif 7 | 8 | #include "flutter/generated_plugin_registrant.h" 9 | 10 | struct _MyApplication { 11 | GtkApplication parent_instance; 12 | char** dart_entrypoint_arguments; 13 | }; 14 | 15 | G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION) 16 | 17 | // Implements GApplication::activate. 18 | static void my_application_activate(GApplication* application) { 19 | MyApplication* self = MY_APPLICATION(application); 20 | GtkWindow* window = 21 | GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application))); 22 | 23 | // Use a header bar when running in GNOME as this is the common style used 24 | // by applications and is the setup most users will be using (e.g. Ubuntu 25 | // desktop). 26 | // If running on X and not using GNOME then just use a traditional title bar 27 | // in case the window manager does more exotic layout, e.g. tiling. 28 | // If running on Wayland assume the header bar will work (may need changing 29 | // if future cases occur). 30 | gboolean use_header_bar = TRUE; 31 | #ifdef GDK_WINDOWING_X11 32 | GdkScreen* screen = gtk_window_get_screen(window); 33 | if (GDK_IS_X11_SCREEN(screen)) { 34 | const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen); 35 | if (g_strcmp0(wm_name, "GNOME Shell") != 0) { 36 | use_header_bar = FALSE; 37 | } 38 | } 39 | #endif 40 | if (use_header_bar) { 41 | GtkHeaderBar* header_bar = GTK_HEADER_BAR(gtk_header_bar_new()); 42 | gtk_widget_show(GTK_WIDGET(header_bar)); 43 | gtk_header_bar_set_title(header_bar, "node_editor_ex_advanced"); 44 | gtk_header_bar_set_show_close_button(header_bar, TRUE); 45 | gtk_window_set_titlebar(window, GTK_WIDGET(header_bar)); 46 | } else { 47 | gtk_window_set_title(window, "node_editor_ex_advanced"); 48 | } 49 | 50 | gtk_window_set_default_size(window, 1280, 720); 51 | gtk_widget_show(GTK_WIDGET(window)); 52 | 53 | g_autoptr(FlDartProject) project = fl_dart_project_new(); 54 | fl_dart_project_set_dart_entrypoint_arguments(project, self->dart_entrypoint_arguments); 55 | 56 | FlView* view = fl_view_new(project); 57 | gtk_widget_show(GTK_WIDGET(view)); 58 | gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view)); 59 | 60 | fl_register_plugins(FL_PLUGIN_REGISTRY(view)); 61 | 62 | gtk_widget_grab_focus(GTK_WIDGET(view)); 63 | } 64 | 65 | // Implements GApplication::local_command_line. 66 | static gboolean my_application_local_command_line(GApplication* application, gchar*** arguments, int* exit_status) { 67 | MyApplication* self = MY_APPLICATION(application); 68 | // Strip out the first argument as it is the binary name. 69 | self->dart_entrypoint_arguments = g_strdupv(*arguments + 1); 70 | 71 | g_autoptr(GError) error = nullptr; 72 | if (!g_application_register(application, nullptr, &error)) { 73 | g_warning("Failed to register: %s", error->message); 74 | *exit_status = 1; 75 | return TRUE; 76 | } 77 | 78 | g_application_activate(application); 79 | *exit_status = 0; 80 | 81 | return TRUE; 82 | } 83 | 84 | // Implements GObject::dispose. 85 | static void my_application_dispose(GObject* object) { 86 | MyApplication* self = MY_APPLICATION(object); 87 | g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev); 88 | G_OBJECT_CLASS(my_application_parent_class)->dispose(object); 89 | } 90 | 91 | static void my_application_class_init(MyApplicationClass* klass) { 92 | G_APPLICATION_CLASS(klass)->activate = my_application_activate; 93 | G_APPLICATION_CLASS(klass)->local_command_line = my_application_local_command_line; 94 | G_OBJECT_CLASS(klass)->dispose = my_application_dispose; 95 | } 96 | 97 | static void my_application_init(MyApplication* self) {} 98 | 99 | MyApplication* my_application_new() { 100 | return MY_APPLICATION(g_object_new(my_application_get_type(), 101 | "application-id", APPLICATION_ID, 102 | "flags", G_APPLICATION_NON_UNIQUE, 103 | nullptr)); 104 | } 105 | -------------------------------------------------------------------------------- /examples/advanced/pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: node_editor_ex_advanced 2 | description: Advanced project to teste node editor package 3 | # The following line prevents the package from being accidentally published to 4 | # pub.dev using `flutter pub publish`. This is preferred for private packages. 5 | publish_to: 'none' # Remove this line if you wish to publish to pub.dev 6 | 7 | # The following defines the version and build number for your application. 8 | # A version number is three numbers separated by dots, like 1.2.43 9 | # followed by an optional build number separated by a +. 10 | # Both the version and the builder number may be overridden in flutter 11 | # build by specifying --build-name and --build-number, respectively. 12 | # In Android, build-name is used as versionName while build-number used as versionCode. 13 | # Read more about Android versioning at https://developer.android.com/studio/publish/versioning 14 | # In iOS, build-name is used as CFBundleShortVersionString while build-number is used as CFBundleVersion. 15 | # Read more about iOS versioning at 16 | # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html 17 | # In Windows, build-name is used as the major, minor, and patch parts 18 | # of the product and file versions while build-number is used as the build suffix. 19 | version: 1.0.0+1 20 | 21 | environment: 22 | sdk: '>=3.0.5 <4.0.0' 23 | 24 | # Dependencies specify other packages that your package needs in order to work. 25 | # To automatically upgrade your package dependencies to the latest versions 26 | # consider running `flutter pub upgrade --major-versions`. Alternatively, 27 | # dependencies can be manually updated by changing the version numbers below to 28 | # the latest version available on pub.dev. To see which dependencies have newer 29 | # versions available, run `flutter pub outdated`. 30 | dependencies: 31 | flutter: 32 | sdk: flutter 33 | 34 | 35 | # The following adds the Cupertino Icons font to your application. 36 | # Use with the CupertinoIcons class for iOS style icons. 37 | cupertino_icons: ^1.0.2 38 | node_editor: 39 | path: ../../ 40 | 41 | dev_dependencies: 42 | flutter_test: 43 | sdk: flutter 44 | 45 | # The "flutter_lints" package below contains a set of recommended lints to 46 | # encourage good coding practices. The lint set provided by the package is 47 | # activated in the `analysis_options.yaml` file located at the root of your 48 | # package. See that file for information about deactivating specific lint 49 | # rules and activating additional ones. 50 | flutter_lints: ^2.0.0 51 | 52 | # For information on the generic Dart part of this file, see the 53 | # following page: https://dart.dev/tools/pub/pubspec 54 | 55 | # The following section is specific to Flutter packages. 56 | flutter: 57 | 58 | # The following line ensures that the Material Icons font is 59 | # included with your application, so that you can use the icons in 60 | # the material Icons class. 61 | uses-material-design: true 62 | 63 | # To add assets to your application, add an assets section, like this: 64 | # assets: 65 | # - images/a_dot_burr.jpeg 66 | # - images/a_dot_ham.jpeg 67 | 68 | # An image asset can refer to one or more resolution-specific "variants", see 69 | # https://flutter.dev/assets-and-images/#resolution-aware 70 | 71 | # For details regarding adding assets from package dependencies, see 72 | # https://flutter.dev/assets-and-images/#from-packages 73 | 74 | # To add custom fonts to your application, add a fonts section here, 75 | # in this "flutter" section. Each entry in this list should have a 76 | # "family" key with the font family name, and a "fonts" key with a 77 | # list giving the asset and other descriptors for the font. For 78 | # example: 79 | # fonts: 80 | # - family: Schyler 81 | # fonts: 82 | # - asset: fonts/Schyler-Regular.ttf 83 | # - asset: fonts/Schyler-Italic.ttf 84 | # style: italic 85 | # - family: Trajan Pro 86 | # fonts: 87 | # - asset: fonts/TrajanPro.ttf 88 | # - asset: fonts/TrajanPro_Bold.ttf 89 | # weight: 700 90 | # 91 | # For details regarding fonts from package dependencies, 92 | # see https://flutter.dev/custom-fonts/#from-packages 93 | -------------------------------------------------------------------------------- /examples/advanced/windows/CMakeLists.txt: -------------------------------------------------------------------------------- 1 | # Project-level configuration. 2 | cmake_minimum_required(VERSION 3.14) 3 | project(node_editor_ex_advanced LANGUAGES CXX) 4 | 5 | # The name of the executable created for the application. Change this to change 6 | # the on-disk name of your application. 7 | set(BINARY_NAME "node_editor_ex_advanced") 8 | 9 | # Explicitly opt in to modern CMake behaviors to avoid warnings with recent 10 | # versions of CMake. 11 | cmake_policy(SET CMP0063 NEW) 12 | 13 | # Define build configuration option. 14 | get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG) 15 | if(IS_MULTICONFIG) 16 | set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release" 17 | CACHE STRING "" FORCE) 18 | else() 19 | if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) 20 | set(CMAKE_BUILD_TYPE "Debug" CACHE 21 | STRING "Flutter build mode" FORCE) 22 | set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS 23 | "Debug" "Profile" "Release") 24 | endif() 25 | endif() 26 | # Define settings for the Profile build mode. 27 | set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}") 28 | set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}") 29 | set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE}") 30 | set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE}") 31 | 32 | # Use Unicode for all projects. 33 | add_definitions(-DUNICODE -D_UNICODE) 34 | 35 | # Compilation settings that should be applied to most targets. 36 | # 37 | # Be cautious about adding new options here, as plugins use this function by 38 | # default. In most cases, you should add new options to specific targets instead 39 | # of modifying this function. 40 | function(APPLY_STANDARD_SETTINGS TARGET) 41 | target_compile_features(${TARGET} PUBLIC cxx_std_17) 42 | target_compile_options(${TARGET} PRIVATE /W4 /WX /wd"4100") 43 | target_compile_options(${TARGET} PRIVATE /EHsc) 44 | target_compile_definitions(${TARGET} PRIVATE "_HAS_EXCEPTIONS=0") 45 | target_compile_definitions(${TARGET} PRIVATE "$<$:_DEBUG>") 46 | endfunction() 47 | 48 | # Flutter library and tool build rules. 49 | set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") 50 | add_subdirectory(${FLUTTER_MANAGED_DIR}) 51 | 52 | # Application build; see runner/CMakeLists.txt. 53 | add_subdirectory("runner") 54 | 55 | 56 | # Generated plugin build rules, which manage building the plugins and adding 57 | # them to the application. 58 | include(flutter/generated_plugins.cmake) 59 | 60 | 61 | # === Installation === 62 | # Support files are copied into place next to the executable, so that it can 63 | # run in place. This is done instead of making a separate bundle (as on Linux) 64 | # so that building and running from within Visual Studio will work. 65 | set(BUILD_BUNDLE_DIR "$") 66 | # Make the "install" step default, as it's required to run. 67 | set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1) 68 | if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) 69 | set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE) 70 | endif() 71 | 72 | set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data") 73 | set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}") 74 | 75 | install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}" 76 | COMPONENT Runtime) 77 | 78 | install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" 79 | COMPONENT Runtime) 80 | 81 | install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" 82 | COMPONENT Runtime) 83 | 84 | if(PLUGIN_BUNDLED_LIBRARIES) 85 | install(FILES "${PLUGIN_BUNDLED_LIBRARIES}" 86 | DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" 87 | COMPONENT Runtime) 88 | endif() 89 | 90 | # Fully re-copy the assets directory on each build to avoid having stale files 91 | # from a previous install. 92 | set(FLUTTER_ASSET_DIR_NAME "flutter_assets") 93 | install(CODE " 94 | file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\") 95 | " COMPONENT Runtime) 96 | install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" 97 | DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) 98 | 99 | # Install the AOT library on non-Debug builds only. 100 | install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" 101 | CONFIGURATIONS Profile;Release 102 | COMPONENT Runtime) 103 | -------------------------------------------------------------------------------- /lib/src/line_painter.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:node_editor/node_editor.dart'; 3 | 4 | import 'nodes.dart'; 5 | 6 | class LinePainter extends CustomPainter { 7 | const LinePainter( 8 | {required this.controller, 9 | required this.context, 10 | required this.background}); 11 | 12 | final NodeEditorController controller; 13 | final BuildContext context; 14 | final NodeEditorBackgroundBase background; 15 | 16 | @override 17 | void paint(Canvas canvas, Size size) { 18 | // Draw the background 19 | background.paint(canvas, size); 20 | 21 | if (controller.startPointConnection != null && 22 | controller.mousePoint != null) { 23 | Offset? pos = 24 | getPortPosition(controller.outNodeName!, controller.outPortName!); 25 | _drawConnection( 26 | canvas, 27 | size, 28 | pos!, 29 | controller.mousePoint!, 30 | Color.fromRGBO( 31 | controller.outTheme!.color.red, 32 | controller.outTheme!.color.green, 33 | controller.outTheme!.color.blue, 34 | 0.7), 35 | controller.outTheme!.strokeWidth); 36 | } 37 | 38 | drawConnections(canvas, size); 39 | } 40 | 41 | _drawConnection(Canvas canvas, Size size, Offset startPoint, Offset endPoint, 42 | Color color, double strokeWidth) { 43 | var paint = Paint() 44 | ..color = color 45 | ..strokeWidth = strokeWidth 46 | ..style = PaintingStyle.stroke; 47 | 48 | // Adjust the amount of curve 49 | double curveDistance = 200.0; // You can adjust this value as needed 50 | 51 | // Control points for the bezier curve 52 | Offset controlPoint1; 53 | Offset controlPoint2; 54 | 55 | if (startPoint.dx > endPoint.dx) { 56 | // When startPoint is to the right of endPoint, curve outwards 57 | controlPoint1 = Offset(startPoint.dx + curveDistance, startPoint.dy); 58 | controlPoint2 = Offset(endPoint.dx - curveDistance, endPoint.dy); 59 | } else { 60 | // Regular straight bezier curve 61 | controlPoint1 = Offset((startPoint.dx + endPoint.dx) / 2, startPoint.dy); 62 | controlPoint2 = Offset((startPoint.dx + endPoint.dx) / 2, endPoint.dy); 63 | } 64 | 65 | var path = Path() 66 | ..moveTo(startPoint.dx, startPoint.dy) 67 | ..cubicTo(controlPoint1.dx, controlPoint1.dy, controlPoint2.dx, 68 | controlPoint2.dy, endPoint.dx, endPoint.dy); 69 | 70 | canvas.drawPath(path, paint); 71 | } 72 | 73 | Offset? getPortPosition(String nodeName, String portName) { 74 | Port? port = controller.getPort(nodeName, portName); 75 | 76 | if (port == null) { 77 | return null; 78 | } 79 | 80 | if (port is InPort) { 81 | Offset? pos = getObjectPosition(port.globalKey); 82 | Size iconSize = getObjectSize(port.globalKey); 83 | 84 | return Offset( 85 | pos.dx + iconSize.width * 3 / 4, pos.dy + iconSize.height / 2); 86 | } else if (port is OutPort) { 87 | Offset? pos = getObjectPosition(port.globalKey); 88 | Size iconSize = getObjectSize(port.globalKey); 89 | 90 | return Offset( 91 | pos.dx + iconSize.width * 3 / 4, pos.dy + iconSize.height / 2); 92 | } else { 93 | throw Exception('Port type not valid'); 94 | } 95 | } 96 | 97 | /// get the position of object in the screen, correcting by the position of 98 | /// vertical and horizontal scroll 99 | Offset getObjectPosition(GlobalKey key) { 100 | var obj = key.currentContext?.findRenderObject(); 101 | final RenderBox stackRenderBox = obj as RenderBox; 102 | 103 | // fix position by scroll position 104 | return stackRenderBox.localToGlobal(Offset.zero) - 105 | controller.stackPos! + 106 | Offset(controller.horizontalScrollController.offset, 107 | controller.verticalScrollController.offset); 108 | } 109 | 110 | Size getObjectSize(GlobalKey key) { 111 | final RenderBox renderBox = 112 | key.currentContext?.findRenderObject() as RenderBox; 113 | return renderBox.size; 114 | } 115 | 116 | void drawConnections(Canvas canvas, Size size) { 117 | for (Connection conn in controller.connections) { 118 | Offset? startPoint = 119 | getPortPosition(conn.outNode.name, conn.outPort.name); 120 | Offset? endPoint = getPortPosition(conn.inNode.name, conn.inPort.name); 121 | 122 | if (startPoint == null || endPoint == null) continue; 123 | 124 | conn.connectionPath.drawConnection(canvas, size, 125 | startPoint: startPoint, endPoint: endPoint, selected: conn.selected); 126 | } 127 | } 128 | 129 | @override 130 | bool shouldRepaint(CustomPainter oldDelegate) => true; 131 | } 132 | -------------------------------------------------------------------------------- /examples/advanced/linux/CMakeLists.txt: -------------------------------------------------------------------------------- 1 | # Project-level configuration. 2 | cmake_minimum_required(VERSION 3.10) 3 | project(runner LANGUAGES CXX) 4 | 5 | # The name of the executable created for the application. Change this to change 6 | # the on-disk name of your application. 7 | set(BINARY_NAME "node_editor_ex_advanced") 8 | # The unique GTK application identifier for this application. See: 9 | # https://wiki.gnome.org/HowDoI/ChooseApplicationID 10 | set(APPLICATION_ID "com.example.node_editor_ex_advanced") 11 | 12 | # Explicitly opt in to modern CMake behaviors to avoid warnings with recent 13 | # versions of CMake. 14 | cmake_policy(SET CMP0063 NEW) 15 | 16 | # Load bundled libraries from the lib/ directory relative to the binary. 17 | set(CMAKE_INSTALL_RPATH "$ORIGIN/lib") 18 | 19 | # Root filesystem for cross-building. 20 | if(FLUTTER_TARGET_PLATFORM_SYSROOT) 21 | set(CMAKE_SYSROOT ${FLUTTER_TARGET_PLATFORM_SYSROOT}) 22 | set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT}) 23 | set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) 24 | set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY) 25 | set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) 26 | set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) 27 | endif() 28 | 29 | # Define build configuration options. 30 | if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) 31 | set(CMAKE_BUILD_TYPE "Debug" CACHE 32 | STRING "Flutter build mode" FORCE) 33 | set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS 34 | "Debug" "Profile" "Release") 35 | endif() 36 | 37 | # Compilation settings that should be applied to most targets. 38 | # 39 | # Be cautious about adding new options here, as plugins use this function by 40 | # default. In most cases, you should add new options to specific targets instead 41 | # of modifying this function. 42 | function(APPLY_STANDARD_SETTINGS TARGET) 43 | target_compile_features(${TARGET} PUBLIC cxx_std_14) 44 | target_compile_options(${TARGET} PRIVATE -Wall -Werror) 45 | target_compile_options(${TARGET} PRIVATE "$<$>:-O3>") 46 | target_compile_definitions(${TARGET} PRIVATE "$<$>:NDEBUG>") 47 | endfunction() 48 | 49 | # Flutter library and tool build rules. 50 | set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") 51 | add_subdirectory(${FLUTTER_MANAGED_DIR}) 52 | 53 | # System-level dependencies. 54 | find_package(PkgConfig REQUIRED) 55 | pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0) 56 | 57 | add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}") 58 | 59 | # Define the application target. To change its name, change BINARY_NAME above, 60 | # not the value here, or `flutter run` will no longer work. 61 | # 62 | # Any new source files that you add to the application should be added here. 63 | add_executable(${BINARY_NAME} 64 | "main.cc" 65 | "my_application.cc" 66 | "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc" 67 | ) 68 | 69 | # Apply the standard set of build settings. This can be removed for applications 70 | # that need different build settings. 71 | apply_standard_settings(${BINARY_NAME}) 72 | 73 | # Add dependency libraries. Add any application-specific dependencies here. 74 | target_link_libraries(${BINARY_NAME} PRIVATE flutter) 75 | target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK) 76 | 77 | # Run the Flutter tool portions of the build. This must not be removed. 78 | add_dependencies(${BINARY_NAME} flutter_assemble) 79 | 80 | # Only the install-generated bundle's copy of the executable will launch 81 | # correctly, since the resources must in the right relative locations. To avoid 82 | # people trying to run the unbundled copy, put it in a subdirectory instead of 83 | # the default top-level location. 84 | set_target_properties(${BINARY_NAME} 85 | PROPERTIES 86 | RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run" 87 | ) 88 | 89 | 90 | # Generated plugin build rules, which manage building the plugins and adding 91 | # them to the application. 92 | include(flutter/generated_plugins.cmake) 93 | 94 | 95 | # === Installation === 96 | # By default, "installing" just makes a relocatable bundle in the build 97 | # directory. 98 | set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle") 99 | if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) 100 | set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE) 101 | endif() 102 | 103 | # Start with a clean build bundle directory every time. 104 | install(CODE " 105 | file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\") 106 | " COMPONENT Runtime) 107 | 108 | set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data") 109 | set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib") 110 | 111 | install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}" 112 | COMPONENT Runtime) 113 | 114 | install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" 115 | COMPONENT Runtime) 116 | 117 | install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" 118 | COMPONENT Runtime) 119 | 120 | foreach(bundled_library ${PLUGIN_BUNDLED_LIBRARIES}) 121 | install(FILES "${bundled_library}" 122 | DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" 123 | COMPONENT Runtime) 124 | endforeach(bundled_library) 125 | 126 | # Fully re-copy the assets directory on each build to avoid having stale files 127 | # from a previous install. 128 | set(FLUTTER_ASSET_DIR_NAME "flutter_assets") 129 | install(CODE " 130 | file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\") 131 | " COMPONENT Runtime) 132 | install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" 133 | DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) 134 | 135 | # Install the AOT library on non-Debug builds only. 136 | if(NOT CMAKE_BUILD_TYPE MATCHES "Debug") 137 | install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" 138 | COMPONENT Runtime) 139 | endif() 140 | -------------------------------------------------------------------------------- /lib/src/port.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | import 'connections.dart'; 4 | import 'controller.dart'; 5 | import 'inherit.dart'; 6 | import 'node_widget.dart'; 7 | import 'nodes.dart'; 8 | 9 | abstract class PropertyWidgetInterface extends NodeItemWidgetInterface 10 | implements Widget {} 11 | 12 | class InPortWidget extends StatefulWidget { 13 | const InPortWidget({ 14 | super.key, 15 | required this.multiConnections, 16 | this.maxConnections, 17 | required this.name, 18 | required this.icon, 19 | this.connectionTheme, 20 | this.onConnect, 21 | this.iconConnected, 22 | this.optional = false, 23 | }); 24 | 25 | final bool multiConnections; 26 | final bool? optional; 27 | final int? maxConnections; 28 | final String name; 29 | final Widget icon; 30 | final Widget? iconConnected; 31 | final ConnectionTheme? connectionTheme; 32 | final bool Function(String, String)? onConnect; 33 | 34 | @override 35 | State createState() => _InPortWidgetState(); 36 | } 37 | 38 | class _InPortWidgetState extends State { 39 | final GlobalKey globalKey = GlobalKey(); 40 | late final InPort inPortInfo; 41 | @override 42 | void initState() { 43 | WidgetsBinding.instance.addPostFrameCallback((_) { 44 | inPortInfo = InPort( 45 | name: widget.name, 46 | globalKey: globalKey, 47 | maxConnections: widget.maxConnections, 48 | multiConnections: widget.multiConnections, 49 | optional: widget.optional ?? false, 50 | onConnect: widget.onConnect, 51 | connectionTheme: widget.connectionTheme ?? 52 | ConnectionTheme( 53 | color: Colors.blue, 54 | strokeWidth: 1, 55 | ), 56 | inputIcon: widget.icon); 57 | NodeEditorController controller = 58 | ControllerInheritedWidget.of(context).controller; 59 | NodeEditorInheritedWidget node = NodeEditorInheritedWidget.of(context); 60 | controller.addInPort(node.blueprintNode.name, inPortInfo); 61 | }); 62 | super.initState(); 63 | } 64 | 65 | @override 66 | Widget build(BuildContext context) { 67 | NodeEditorController controller = 68 | ControllerInheritedWidget.of(context).controller; 69 | NodeEditorInheritedWidget node = NodeEditorInheritedWidget.of(context); 70 | String nodeName = node.blueprintNode.name; 71 | 72 | return AnimatedBuilder( 73 | animation: controller, 74 | builder: (BuildContext context, Widget? child) { 75 | bool connected = controller.isInputPortConnected(nodeName, widget.name); 76 | return InkWell( 77 | onTap: () { 78 | NodeEditorController controller = 79 | ControllerInheritedWidget.of(context).controller; 80 | NodeEditorInheritedWidget node = 81 | NodeEditorInheritedWidget.of(context); 82 | controller.addConnectionByTap( 83 | inNode: node.blueprintNode.name, inPort: widget.name); 84 | }, 85 | child: SizedBox( 86 | key: globalKey, 87 | child: 88 | connected ? widget.iconConnected ?? widget.icon : widget.icon, 89 | ), 90 | ); 91 | }, 92 | ); 93 | } 94 | } 95 | 96 | class OutPortWidget extends StatefulWidget { 97 | const OutPortWidget({ 98 | super.key, 99 | required this.multiConnections, 100 | this.maxConnections, 101 | required this.name, 102 | required this.icon, 103 | this.connectionTheme, 104 | this.iconConnected, 105 | }); 106 | 107 | final bool multiConnections; 108 | final int? maxConnections; 109 | final String name; 110 | final Widget icon; 111 | final Widget? iconConnected; 112 | final ConnectionTheme? connectionTheme; 113 | 114 | @override 115 | State createState() => _OutPortWidgetState(); 116 | } 117 | 118 | class _OutPortWidgetState extends State { 119 | final GlobalKey globalKey = GlobalKey(); 120 | late final OutPort outPortInfo; 121 | 122 | @override 123 | void initState() { 124 | WidgetsBinding.instance.addPostFrameCallback((_) { 125 | outPortInfo = OutPort( 126 | name: widget.name, 127 | globalKey: globalKey, 128 | maxConnections: widget.maxConnections, 129 | multiConnections: widget.multiConnections, 130 | connectionTheme: widget.connectionTheme ?? 131 | ConnectionTheme( 132 | color: Colors.blue, 133 | strokeWidth: 1, 134 | ), 135 | outputIcon: widget.icon); 136 | NodeEditorController controller = 137 | ControllerInheritedWidget.of(context).controller; 138 | NodeEditorInheritedWidget node = NodeEditorInheritedWidget.of(context); 139 | controller.addOutPort(node.blueprintNode.name, outPortInfo); 140 | }); 141 | super.initState(); 142 | } 143 | 144 | @override 145 | Widget build(BuildContext context) { 146 | NodeEditorController controller = 147 | ControllerInheritedWidget.of(context).controller; 148 | NodeEditorInheritedWidget node = NodeEditorInheritedWidget.of(context); 149 | String nodeName = node.blueprintNode.name; 150 | 151 | return AnimatedBuilder( 152 | animation: controller, 153 | builder: (BuildContext context, Widget? child) { 154 | bool connected = 155 | controller.isOutputPortConnected(nodeName, widget.name); 156 | 157 | return InkWell( 158 | onTap: () { 159 | NodeEditorController controller = 160 | ControllerInheritedWidget.of(context).controller; 161 | NodeEditorInheritedWidget node = 162 | NodeEditorInheritedWidget.of(context); 163 | controller.setConnecting(node.blueprintNode.name, widget.name); 164 | }, 165 | child: SizedBox( 166 | key: globalKey, 167 | child: 168 | connected ? widget.iconConnected ?? widget.icon : widget.icon, 169 | ), 170 | ); 171 | }, 172 | ); 173 | } 174 | } 175 | -------------------------------------------------------------------------------- /lib/src/controller.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | import 'connections.dart'; 4 | import 'node_widget.dart'; 5 | import 'nodes.dart'; 6 | import 'position.dart'; 7 | 8 | /// 9 | /// This controller handle all information that is used by Node Editor Widget 10 | /// The nodes, its ports and its properties is managed by this class 11 | /// The screen information as canvas size is managed by this class too 12 | class NodeEditorController with ChangeNotifier { 13 | /// Manager the nodes. The nodes represent the widgets node properties 14 | /// in the canvas. 15 | /// Every node and its properties is inside this manager 16 | /// Using nodesManager the user is able to insert and remove nodes, and its 17 | /// properties and ports 18 | final NodesManager nodesManager = NodesManager(); 19 | 20 | /// Manager the connections between the ports. 21 | /// The connections between the ports of the widget nodes is stored in this 22 | /// manager 23 | /// Using this manager is possible to add, remover or search by connections 24 | /// between the ports of the nodes 25 | final ConnectionsManager connectionsManager = ConnectionsManager(); 26 | 27 | /// Store the start position of stack widget in the canvas. 28 | /// This position is used to calculate the position of the connections in 29 | /// the canvas 30 | Offset? stackPos; 31 | 32 | /// The current size of the stack widget 33 | /// It's available only after the first frame is rendered 34 | Size? currentScreenSize; 35 | 36 | /// ScrollController is set by the canvas, it is used by others class to 37 | /// control the scroll when the user move the nodes for a area outside the 38 | /// visible canvas 39 | late ScrollController horizontalScrollController; 40 | late ScrollController verticalScrollController; 41 | 42 | Offset _viewportOffset = Offset.zero; 43 | void initScrollControllers( 44 | ScrollController horizontal, ScrollController vertical) { 45 | horizontalScrollController = horizontal; 46 | verticalScrollController = vertical; 47 | } 48 | 49 | void updateViewportOffset(Offset newOffset) { 50 | _viewportOffset = newOffset; 51 | notifyListeners(); 52 | } 53 | 54 | Offset getViewportOffset() { 55 | return _viewportOffset; 56 | } 57 | 58 | /// Focus node that request a focus when some node is tap or moved 59 | /// this attribute must be initialized in the init of the main widget 60 | /// node editor 61 | FocusNode? focusNode; 62 | 63 | set isShiftPressed(bool v) { 64 | connectionsManager.isShiftPressed = v; 65 | nodesManager.isShiftPressed = v; 66 | } 67 | 68 | /// Listener that is used when the user select a connection 69 | void Function(Connection conn)? onSelectListener; 70 | 71 | List get connections => connectionsManager.connections; 72 | 73 | Offset? get startPointConnection => connectionsManager.startPointConnection; 74 | 75 | Offset? get mousePoint => connectionsManager.mousePoint; 76 | 77 | ConnectionTheme? get outTheme => connectionsManager.outTheme; 78 | 79 | String? get outNodeName => connectionsManager.outNodeName; 80 | 81 | String? get outPortName => connectionsManager.outPortName; 82 | 83 | Map get nodes => nodesManager.nodes; 84 | 85 | List get selecteds => nodes.values 86 | .where((node) => node.selected) 87 | .map((node) => node.name) 88 | .toList(); 89 | 90 | void addSelectListener(void Function(Connection conn)? fn) { 91 | onSelectListener = fn; 92 | } 93 | 94 | Size getMaxScreenSize() { 95 | double px = 0; 96 | double py = 0; 97 | for (var nodeName in nodesManager.nodes.keys) { 98 | Offset pos = nodesManager.nodes[nodeName]!.pos; 99 | Size size = nodesManager.getNodeWidgetSize(nodeName); 100 | px = pos.dx + size.width > px ? pos.dx + size.width : px; 101 | py = pos.dy + size.height > py ? pos.dy + size.height : py; 102 | } 103 | 104 | return Size(px + 200, py + 200); 105 | } 106 | 107 | notify() { 108 | notifyListeners(); 109 | } 110 | 111 | Map toJson() { 112 | Map m = {}; 113 | 114 | for (var entry in nodesManager.nodes.entries) { 115 | m[entry.key] = entry.value.toMap(); 116 | } 117 | 118 | return m; 119 | } 120 | 121 | void addNode(NodeWidgetBase nodeWidget, NodePosition position) { 122 | nodesManager.addNode(nodeWidget, position); 123 | } 124 | 125 | void addInPort(String nodeName, InPort inPortInfo) { 126 | nodesManager.addInPort(nodeName, inPortInfo); 127 | } 128 | 129 | bool isInputPortConnected(String nodeName, String portName) { 130 | return connectionsManager.isInputPortConnected(nodeName, portName); 131 | } 132 | 133 | void addConnectionByTap({required String inNode, required String inPort}) { 134 | connectionsManager.addConnectionByTap(nodesManager.nodes, 135 | inPort: inPort, inNode: inNode); 136 | notifyListeners(); 137 | } 138 | 139 | void addOutPort(String nodeName, OutPort outPortInfo) { 140 | nodesManager.addOutPort(nodeName, outPortInfo); 141 | } 142 | 143 | bool isOutputPortConnected(String nodeName, String portName) { 144 | return connectionsManager.isOutputPortConnected(nodeName, portName); 145 | } 146 | 147 | void setConnecting(String nameNode, String namePort) { 148 | connectionsManager.setConnecting( 149 | this, nodesManager.nodes, nameNode, namePort); 150 | focusNode!.requestFocus(); 151 | notifyListeners(); 152 | } 153 | 154 | void unsetConnecting() { 155 | connectionsManager.unsetConnecting(); 156 | notifyListeners(); 157 | } 158 | 159 | void deleteSelectedConnections() { 160 | connectionsManager.removeSelected(); 161 | notifyListeners(); 162 | } 163 | 164 | void deleteSelectedNodes() { 165 | nodesManager.removeSelectedNodes(connectionsManager); 166 | notifyListeners(); 167 | } 168 | 169 | void moveNodePosition(String name, Offset delta) { 170 | nodesManager.moveNodePosition(name, delta); 171 | focusNode!.requestFocus(); 172 | notifyListeners(); 173 | } 174 | 175 | Port? getPort(String nodeName, String portName) { 176 | return nodesManager.getPort(nodeName, portName); 177 | } 178 | 179 | void addProperty( 180 | String nodeName, 181 | Property property, 182 | ) { 183 | nodesManager.nodes[nodeName]!.addProperty(property); 184 | } 185 | 186 | void selectOnTap(Offset tapPosition) { 187 | nodesManager.unselectAllNodes(); 188 | connectionsManager.selectOnTap(this, tapPosition); 189 | focusNode!.requestFocus(); 190 | notifyListeners(); 191 | } 192 | 193 | void selectNodeAction(String nodeName) { 194 | focusNode!.requestFocus(); 195 | nodesManager.selectNodeAction(nodeName); 196 | notifyListeners(); 197 | } 198 | 199 | void mousePosition(Offset pos) { 200 | connectionsManager.mousePosition(pos); 201 | notifyListeners(); 202 | } 203 | } 204 | -------------------------------------------------------------------------------- /lib/src/custom_painter.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/gestures.dart'; 2 | import 'package:flutter/material.dart'; 3 | import 'package:flutter/services.dart'; 4 | 5 | import 'background.dart'; 6 | import 'controller.dart'; 7 | import 'inherit.dart'; 8 | import 'line_painter.dart'; 9 | 10 | class NodeEditor extends StatefulWidget { 11 | const NodeEditor( 12 | {Key? key, 13 | required this.controller, 14 | required this.background, 15 | required this.focusNode, 16 | required this.infiniteCanvasSize}) 17 | : super(key: key); 18 | 19 | final NodeEditorController controller; 20 | final NodeEditorBackgroundBase background; 21 | final FocusNode focusNode; 22 | final double infiniteCanvasSize; 23 | 24 | @override 25 | State createState() => _NodeEditorState(); 26 | } 27 | 28 | class _NodeEditorState extends State { 29 | GlobalKey stackKey = GlobalKey(); 30 | bool afterBuild = false; 31 | ScrollController horizontalScrollController = ScrollController(); 32 | ScrollController verticalScrollController = ScrollController(); 33 | 34 | @override 35 | void initState() { 36 | WidgetsBinding.instance.addPostFrameCallback((_) { 37 | var obj = stackKey.currentContext?.findRenderObject(); 38 | if (obj == null) { 39 | debugPrint('exit null'); 40 | return; 41 | } 42 | 43 | // Get the global position of stack widget 44 | // This is used to calculate the relative position in the canvas 45 | final RenderBox stackRenderBox = obj as RenderBox; 46 | final stackPosition = stackRenderBox.localToGlobal(Offset.zero); 47 | 48 | // set the stack widget position in the controller 49 | widget.controller.stackPos = stackPosition; 50 | 51 | // set the focus in the controller 52 | widget.controller.focusNode = widget.focusNode; 53 | 54 | debugPrint('Set stackPos'); 55 | afterBuild = true; 56 | widget.controller.verticalScrollController = verticalScrollController; 57 | widget.controller.horizontalScrollController = horizontalScrollController; 58 | }); 59 | 60 | horizontalScrollController.addListener(_onScroll); 61 | verticalScrollController.addListener(_onScroll); 62 | 63 | super.initState(); 64 | } 65 | 66 | @override 67 | void dispose() { 68 | horizontalScrollController.removeListener(_onScroll); 69 | verticalScrollController.removeListener(_onScroll); 70 | super.dispose(); 71 | } 72 | 73 | void _onScroll() { 74 | widget.controller.updateViewportOffset(Offset( 75 | horizontalScrollController.offset, verticalScrollController.offset)); 76 | setState(() { 77 | // Redraw the canvas on scroll 78 | }); 79 | } 80 | 81 | @override 82 | Widget build(BuildContext context) { 83 | return Focus( 84 | focusNode: widget.focusNode, 85 | onKey: (FocusNode node, RawKeyEvent event) { 86 | _onKey(event); 87 | return KeyEventResult.ignored; // Let event propagate 88 | }, 89 | child: MouseRegion( 90 | onHover: (PointerHoverEvent event) { 91 | Offset adjustedPosition = event.localPosition + 92 | Offset(horizontalScrollController.offset, 93 | verticalScrollController.offset); 94 | widget.controller.mousePosition(adjustedPosition); 95 | }, 96 | child: GestureDetector( 97 | onTapDown: (TapDownDetails details) { 98 | debugPrint("onTapDown"); 99 | widget.controller.selectOnTap(details.localPosition); 100 | }, 101 | child: AnimatedBuilder( 102 | animation: widget.controller, 103 | builder: (BuildContext context, Widget? child) { 104 | return ControllerInheritedWidget( 105 | controller: widget.controller, 106 | child: LayoutBuilder( 107 | builder: (BuildContext context, BoxConstraints constraints) { 108 | widget.controller.currentScreenSize = 109 | Size(constraints.maxWidth, constraints.maxHeight); 110 | return SingleChildScrollView( 111 | physics: const ClampingScrollPhysics(), 112 | controller: horizontalScrollController, 113 | scrollDirection: Axis.horizontal, 114 | child: SingleChildScrollView( 115 | physics: const ClampingScrollPhysics(), 116 | controller: verticalScrollController, 117 | scrollDirection: Axis.vertical, 118 | child: ConstrainedBox( 119 | constraints: BoxConstraints( 120 | minWidth: constraints.maxWidth, 121 | minHeight: constraints.maxHeight, 122 | maxWidth: widget.infiniteCanvasSize, 123 | maxHeight: widget.infiniteCanvasSize, 124 | ), 125 | child: CustomPaint( 126 | painter: LinePainter( 127 | context: context, 128 | controller: widget.controller, 129 | background: widget.background, 130 | ), 131 | child: Stack( 132 | key: stackKey, 133 | children: widget.controller.nodes.values 134 | .map( 135 | (e) => Positioned( 136 | left: e.pos.dx, 137 | top: e.pos.dy, 138 | child: e.inheritedWidget, 139 | ), 140 | ) 141 | .toList(), 142 | ), 143 | ), 144 | ), 145 | ), 146 | ); 147 | }, 148 | ), 149 | ); 150 | }, 151 | ), 152 | ), 153 | ), 154 | ); 155 | } 156 | 157 | void _onKey(RawKeyEvent event) { 158 | bool isShift = event.logicalKey == LogicalKeyboardKey.shiftLeft || 159 | event.logicalKey == LogicalKeyboardKey.shiftRight; 160 | 161 | if (isShift) { 162 | widget.controller.isShiftPressed = event is RawKeyDownEvent; 163 | } 164 | 165 | if (event is RawKeyDownEvent && 166 | event.logicalKey == LogicalKeyboardKey.escape) { 167 | widget.controller.unsetConnecting(); 168 | } 169 | 170 | if (event is RawKeyDownEvent && 171 | event.logicalKey == LogicalKeyboardKey.delete) { 172 | widget.controller.deleteSelectedNodes(); 173 | widget.controller.deleteSelectedConnections(); 174 | } 175 | } 176 | } 177 | -------------------------------------------------------------------------------- /lib/src/nodes.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | import 'connections.dart'; 4 | import 'node_widget.dart'; 5 | import 'position.dart'; 6 | 7 | abstract class NodeItem { 8 | final String name; 9 | 10 | const NodeItem({required this.name}); 11 | } 12 | 13 | abstract class Port extends NodeItem { 14 | final bool multiConnections; 15 | final int? maxConnections; 16 | final GlobalKey globalKey; 17 | final bool dominant; 18 | final ConnectionTheme connectionTheme; 19 | dynamic value; 20 | final bool optional; 21 | 22 | Port({ 23 | required super.name, 24 | this.value, 25 | this.optional = false, 26 | required this.globalKey, 27 | this.multiConnections = false, 28 | this.dominant = false, 29 | required this.connectionTheme, 30 | this.maxConnections, 31 | }); 32 | } 33 | 34 | class InPort extends Port { 35 | final Widget inputIcon; 36 | final bool Function(String, String)? onConnect; 37 | 38 | InPort( 39 | {required super.name, 40 | required super.globalKey, 41 | required this.inputIcon, 42 | required super.connectionTheme, 43 | this.onConnect, 44 | super.optional = false, 45 | super.value, 46 | super.multiConnections = false, 47 | super.maxConnections}); 48 | } 49 | 50 | class OutPort extends Port { 51 | final Widget outputIcon; 52 | 53 | OutPort({ 54 | required super.name, 55 | required super.globalKey, 56 | required this.outputIcon, 57 | required super.connectionTheme, 58 | super.value, 59 | super.multiConnections = true, 60 | super.maxConnections, 61 | }); 62 | } 63 | 64 | class PortData {} 65 | 66 | class Property extends NodeItem { 67 | Property({required super.name, this.value}); 68 | 69 | dynamic value; 70 | } 71 | 72 | class NodeModel { 73 | Map ports = {}; 74 | Map properties = {}; 75 | final NodeWidgetBase blueprintNode; 76 | final NodeEditorInheritedWidget inheritedWidget; 77 | final GlobalKey globalKey; 78 | Offset pos; 79 | bool minimized = false; 80 | bool selected = false; 81 | 82 | NodeModel( 83 | {required this.blueprintNode, required this.globalKey, required this.pos}) 84 | : inheritedWidget = NodeEditorInheritedWidget( 85 | key: globalKey, 86 | blueprintNode: blueprintNode, 87 | ); 88 | 89 | String get name => blueprintNode.name; 90 | 91 | addPort(Port port) { 92 | ports[port.name] = port; 93 | } 94 | 95 | addProperty(Property property) { 96 | properties[property.name] = property; 97 | } 98 | 99 | Map getPorts() { 100 | Map portsMap = {}; 101 | for (var p in ports.entries) { 102 | portsMap[p.key] = { 103 | 'type': p.value is OutPort ? 'output' : 'input', 104 | 'multiConnections': p.value.multiConnections, 105 | 'maxConnections': p.value.maxConnections, 106 | }; 107 | } 108 | 109 | return portsMap; 110 | } 111 | 112 | Map getProperties() { 113 | Map propMap = {}; 114 | for (var p in properties.entries) { 115 | propMap[p.key] = p.value.value; 116 | } 117 | 118 | return propMap; 119 | } 120 | 121 | Map toMap() { 122 | return { 123 | 'ports': getPorts(), 124 | 'properties': getProperties(), 125 | }; 126 | } 127 | } 128 | 129 | class NodesManager { 130 | Map nodes = {}; 131 | Offset _positionAfterLast = Offset.zero; 132 | bool isShiftPressed = false; 133 | 134 | final ValueNotifier _selectedAny = ValueNotifier(false); 135 | 136 | ValueNotifier get selectedAnyNotifier => _selectedAny; 137 | 138 | Offset _calculateInitPos(NodePosition pos) { 139 | if (pos.type == NodePositionType.startScreen) { 140 | return const Offset(0, 0); 141 | } else if (pos.type == NodePositionType.custom) { 142 | // In this case NodePosition guarantee that position attribute is filled 143 | return pos.position!; 144 | } 145 | 146 | return _positionAfterLast; 147 | } 148 | 149 | _calculateLastPosition() { 150 | double maxPos = 0; 151 | double yPos = 0; 152 | for (var node in nodes.entries) { 153 | double width = getNodeWidgetSize(node.key).width; 154 | double posX = node.value.pos.dx; 155 | if (maxPos < (posX + width)) { 156 | maxPos = posX + width; 157 | yPos = node.value.pos.dy; 158 | } 159 | } 160 | _positionAfterLast = Offset(maxPos, yPos); 161 | } 162 | 163 | void addNode(NodeWidgetBase nodeWidget, NodePosition position) { 164 | GlobalKey globalKey = GlobalKey(); 165 | 166 | // Calculate the start position of the widget node 167 | Offset initPos = _calculateInitPos(position); 168 | 169 | NodeModel nodeModel = NodeModel( 170 | globalKey: globalKey, blueprintNode: nodeWidget, pos: initPos); 171 | 172 | nodes[nodeWidget.name] = nodeModel; 173 | 174 | // If the start position of the widget node plus the widget node width is 175 | // greater than _positionAfterLast, update _positionAfterLast 176 | if ((initPos.dx + nodeWidget.width) > _positionAfterLast.dx) { 177 | _positionAfterLast = Offset(initPos.dx + nodeWidget.width, initPos.dy); 178 | } 179 | } 180 | 181 | void removeNode(ConnectionsManager connectionManager, String nodeName) { 182 | connectionManager.removeConnectionsFromNode(nodeName); 183 | nodes.remove(nodeName); 184 | _calculateLastPosition(); 185 | } 186 | 187 | void removeSelectedNodes(ConnectionsManager connectionManager) { 188 | for (var node in nodes.values) { 189 | if (node.selected) { 190 | connectionManager.removeConnectionsFromNode(node.name); 191 | } 192 | } 193 | 194 | nodes.removeWhere((key, value) => value.selected); 195 | } 196 | 197 | void selectNode(String nodeName) { 198 | nodes[nodeName]?.selected = true; 199 | selectedAnyNotifier.value = true; 200 | } 201 | 202 | void selectNodeAction(String nodeName) { 203 | if (!isShiftPressed) { 204 | unselectAllNodes(); 205 | nodes[nodeName]?.selected = true; 206 | selectedAnyNotifier.value = true; 207 | } else { 208 | nodes[nodeName]?.selected = !(nodes[nodeName]?.selected ?? false); 209 | } 210 | } 211 | 212 | void unselectAllNodes() { 213 | for (var node in nodes.values) { 214 | node.selected = false; 215 | } 216 | selectedAnyNotifier.value = false; 217 | } 218 | 219 | void addInPort(String nodeName, InPort inPortInfo) { 220 | nodes[nodeName]?.addPort(inPortInfo); 221 | } 222 | 223 | void addOutPort(String nodeName, OutPort outPortInfo) { 224 | nodes[nodeName]?.addPort(outPortInfo); 225 | } 226 | 227 | void moveNodePosition(String name, Offset delta) { 228 | if ((nodes[name]!.pos + delta).dy < 0 || 229 | (nodes[name]!.pos + delta).dx < 0) { 230 | return; 231 | } 232 | nodes[name]?.pos += delta; 233 | _calculateLastPosition(); 234 | } 235 | 236 | Port? getPort(String nodeName, String portName) { 237 | var port = nodes[nodeName]?.ports[portName]; 238 | 239 | if (port is Port) { 240 | return port; 241 | } else { 242 | return null; 243 | } 244 | } 245 | 246 | void addProperty(String nodeName, Property property) { 247 | nodes[nodeName]?.addProperty(property); 248 | } 249 | 250 | Size getNodeWidgetSize(String nodeName) { 251 | NodeModel? nodeModel = nodes[nodeName]; 252 | if (nodeModel == null) { 253 | throw Exception('node: $nodeName not found'); 254 | } 255 | 256 | final GlobalKey key = nodeModel.globalKey; 257 | 258 | Size size = Size.zero; 259 | WidgetsBinding.instance.addPostFrameCallback((_) { 260 | final RenderBox? renderBox = 261 | key.currentContext?.findRenderObject() as RenderBox?; 262 | if (renderBox != null) { 263 | size = renderBox.size; 264 | } 265 | }); 266 | 267 | return size; 268 | } 269 | } 270 | -------------------------------------------------------------------------------- /examples/advanced/pubspec.lock: -------------------------------------------------------------------------------- 1 | # Generated by pub 2 | # See https://dart.dev/tools/pub/glossary#lockfile 3 | packages: 4 | async: 5 | dependency: transitive 6 | description: 7 | name: async 8 | sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c" 9 | url: "https://pub.dev" 10 | source: hosted 11 | version: "2.11.0" 12 | boolean_selector: 13 | dependency: transitive 14 | description: 15 | name: boolean_selector 16 | sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66" 17 | url: "https://pub.dev" 18 | source: hosted 19 | version: "2.1.1" 20 | characters: 21 | dependency: transitive 22 | description: 23 | name: characters 24 | sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605" 25 | url: "https://pub.dev" 26 | source: hosted 27 | version: "1.3.0" 28 | clock: 29 | dependency: transitive 30 | description: 31 | name: clock 32 | sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf 33 | url: "https://pub.dev" 34 | source: hosted 35 | version: "1.1.1" 36 | collection: 37 | dependency: transitive 38 | description: 39 | name: collection 40 | <<<<<<< HEAD 41 | sha256: f092b211a4319e98e5ff58223576de6c2803db36221657b46c82574721240687 42 | url: "https://pub.dev" 43 | source: hosted 44 | version: "1.17.2" 45 | ======= 46 | sha256: ee67cb0715911d28db6bf4af1026078bd6f0128b07a5f66fb2ed94ec6783c09a 47 | url: "https://pub.dev" 48 | source: hosted 49 | version: "1.18.0" 50 | >>>>>>> 1dbaf9d (Readme for version 0.0.5) 51 | cupertino_icons: 52 | dependency: "direct main" 53 | description: 54 | name: cupertino_icons 55 | sha256: d57953e10f9f8327ce64a508a355f0b1ec902193f66288e8cb5070e7c47eeb2d 56 | url: "https://pub.dev" 57 | source: hosted 58 | version: "1.0.6" 59 | fake_async: 60 | dependency: transitive 61 | description: 62 | name: fake_async 63 | sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78" 64 | url: "https://pub.dev" 65 | source: hosted 66 | version: "1.3.1" 67 | flutter: 68 | dependency: "direct main" 69 | description: flutter 70 | source: sdk 71 | version: "0.0.0" 72 | flutter_lints: 73 | dependency: "direct dev" 74 | description: 75 | name: flutter_lints 76 | sha256: a25a15ebbdfc33ab1cd26c63a6ee519df92338a9c10f122adda92938253bef04 77 | url: "https://pub.dev" 78 | source: hosted 79 | version: "2.0.3" 80 | flutter_test: 81 | dependency: "direct dev" 82 | description: flutter 83 | source: sdk 84 | version: "0.0.0" 85 | <<<<<<< HEAD 86 | ======= 87 | leak_tracker: 88 | dependency: transitive 89 | description: 90 | name: leak_tracker 91 | sha256: "78eb209deea09858f5269f5a5b02be4049535f568c07b275096836f01ea323fa" 92 | url: "https://pub.dev" 93 | source: hosted 94 | version: "10.0.0" 95 | leak_tracker_flutter_testing: 96 | dependency: transitive 97 | description: 98 | name: leak_tracker_flutter_testing 99 | sha256: b46c5e37c19120a8a01918cfaf293547f47269f7cb4b0058f21531c2465d6ef0 100 | url: "https://pub.dev" 101 | source: hosted 102 | version: "2.0.1" 103 | leak_tracker_testing: 104 | dependency: transitive 105 | description: 106 | name: leak_tracker_testing 107 | sha256: a597f72a664dbd293f3bfc51f9ba69816f84dcd403cdac7066cb3f6003f3ab47 108 | url: "https://pub.dev" 109 | source: hosted 110 | version: "2.0.1" 111 | >>>>>>> 1dbaf9d (Readme for version 0.0.5) 112 | lints: 113 | dependency: transitive 114 | description: 115 | name: lints 116 | sha256: "0a217c6c989d21039f1498c3ed9f3ed71b354e69873f13a8dfc3c9fe76f1b452" 117 | url: "https://pub.dev" 118 | source: hosted 119 | version: "2.1.1" 120 | matcher: 121 | dependency: transitive 122 | description: 123 | name: matcher 124 | <<<<<<< HEAD 125 | sha256: "1803e76e6653768d64ed8ff2e1e67bea3ad4b923eb5c56a295c3e634bad5960e" 126 | url: "https://pub.dev" 127 | source: hosted 128 | version: "0.12.16" 129 | ======= 130 | sha256: d2323aa2060500f906aa31a895b4030b6da3ebdcc5619d14ce1aada65cd161cb 131 | url: "https://pub.dev" 132 | source: hosted 133 | version: "0.12.16+1" 134 | >>>>>>> 1dbaf9d (Readme for version 0.0.5) 135 | material_color_utilities: 136 | dependency: transitive 137 | description: 138 | name: material_color_utilities 139 | <<<<<<< HEAD 140 | sha256: "9528f2f296073ff54cb9fee677df673ace1218163c3bc7628093e7eed5203d41" 141 | url: "https://pub.dev" 142 | source: hosted 143 | version: "0.5.0" 144 | ======= 145 | sha256: "0e0a020085b65b6083975e499759762399b4475f766c21668c4ecca34ea74e5a" 146 | url: "https://pub.dev" 147 | source: hosted 148 | version: "0.8.0" 149 | >>>>>>> 1dbaf9d (Readme for version 0.0.5) 150 | meta: 151 | dependency: transitive 152 | description: 153 | name: meta 154 | sha256: d584fa6707a52763a52446f02cc621b077888fb63b93bbcb1143a7be5a0c0c04 155 | url: "https://pub.dev" 156 | source: hosted 157 | version: "1.11.0" 158 | node_editor: 159 | dependency: "direct main" 160 | description: 161 | path: "../.." 162 | relative: true 163 | source: path 164 | version: "0.0.2" 165 | path: 166 | dependency: transitive 167 | description: 168 | name: path 169 | sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af" 170 | url: "https://pub.dev" 171 | source: hosted 172 | version: "1.9.0" 173 | sky_engine: 174 | dependency: transitive 175 | description: flutter 176 | source: sdk 177 | version: "0.0.99" 178 | source_span: 179 | dependency: transitive 180 | description: 181 | name: source_span 182 | sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c" 183 | url: "https://pub.dev" 184 | source: hosted 185 | version: "1.10.0" 186 | stack_trace: 187 | dependency: transitive 188 | description: 189 | name: stack_trace 190 | sha256: "73713990125a6d93122541237550ee3352a2d84baad52d375a4cad2eb9b7ce0b" 191 | url: "https://pub.dev" 192 | source: hosted 193 | version: "1.11.1" 194 | stream_channel: 195 | dependency: transitive 196 | description: 197 | name: stream_channel 198 | sha256: ba2aa5d8cc609d96bbb2899c28934f9e1af5cddbd60a827822ea467161eb54e7 199 | url: "https://pub.dev" 200 | source: hosted 201 | version: "2.1.2" 202 | string_scanner: 203 | dependency: transitive 204 | description: 205 | name: string_scanner 206 | sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde" 207 | url: "https://pub.dev" 208 | source: hosted 209 | version: "1.2.0" 210 | term_glyph: 211 | dependency: transitive 212 | description: 213 | name: term_glyph 214 | sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84 215 | url: "https://pub.dev" 216 | source: hosted 217 | version: "1.2.1" 218 | test_api: 219 | dependency: transitive 220 | description: 221 | name: test_api 222 | <<<<<<< HEAD 223 | sha256: "75760ffd7786fffdfb9597c35c5b27eaeec82be8edfb6d71d32651128ed7aab8" 224 | url: "https://pub.dev" 225 | source: hosted 226 | version: "0.6.0" 227 | ======= 228 | sha256: "5c2f730018264d276c20e4f1503fd1308dfbbae39ec8ee63c5236311ac06954b" 229 | url: "https://pub.dev" 230 | source: hosted 231 | version: "0.6.1" 232 | >>>>>>> 1dbaf9d (Readme for version 0.0.5) 233 | vector_math: 234 | dependency: transitive 235 | description: 236 | name: vector_math 237 | sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803" 238 | url: "https://pub.dev" 239 | source: hosted 240 | version: "2.1.4" 241 | <<<<<<< HEAD 242 | web: 243 | dependency: transitive 244 | description: 245 | name: web 246 | sha256: dc8ccd225a2005c1be616fe02951e2e342092edf968cf0844220383757ef8f10 247 | url: "https://pub.dev" 248 | source: hosted 249 | version: "0.1.4-beta" 250 | sdks: 251 | dart: ">=3.1.0-185.0.dev <4.0.0" 252 | ======= 253 | vm_service: 254 | dependency: transitive 255 | description: 256 | name: vm_service 257 | sha256: b3d56ff4341b8f182b96aceb2fa20e3dcb336b9f867bc0eafc0de10f1048e957 258 | url: "https://pub.dev" 259 | source: hosted 260 | version: "13.0.0" 261 | sdks: 262 | dart: ">=3.2.0-0 <4.0.0" 263 | >>>>>>> 1dbaf9d (Readme for version 0.0.5) 264 | flutter: ">=1.17.0" 265 | -------------------------------------------------------------------------------- /examples/advanced/pubspec.lock.orig: -------------------------------------------------------------------------------- 1 | # Generated by pub 2 | # See https://dart.dev/tools/pub/glossary#lockfile 3 | packages: 4 | async: 5 | dependency: transitive 6 | description: 7 | name: async 8 | sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c" 9 | url: "https://pub.dev" 10 | source: hosted 11 | version: "2.11.0" 12 | boolean_selector: 13 | dependency: transitive 14 | description: 15 | name: boolean_selector 16 | sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66" 17 | url: "https://pub.dev" 18 | source: hosted 19 | version: "2.1.1" 20 | characters: 21 | dependency: transitive 22 | description: 23 | name: characters 24 | sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605" 25 | url: "https://pub.dev" 26 | source: hosted 27 | version: "1.3.0" 28 | clock: 29 | dependency: transitive 30 | description: 31 | name: clock 32 | sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf 33 | url: "https://pub.dev" 34 | source: hosted 35 | version: "1.1.1" 36 | collection: 37 | dependency: transitive 38 | description: 39 | name: collection 40 | <<<<<<< HEAD 41 | sha256: f092b211a4319e98e5ff58223576de6c2803db36221657b46c82574721240687 42 | url: "https://pub.dev" 43 | source: hosted 44 | version: "1.17.2" 45 | ======= 46 | sha256: ee67cb0715911d28db6bf4af1026078bd6f0128b07a5f66fb2ed94ec6783c09a 47 | url: "https://pub.dev" 48 | source: hosted 49 | version: "1.18.0" 50 | >>>>>>> 1dbaf9d (Readme for version 0.0.5) 51 | cupertino_icons: 52 | dependency: "direct main" 53 | description: 54 | name: cupertino_icons 55 | sha256: d57953e10f9f8327ce64a508a355f0b1ec902193f66288e8cb5070e7c47eeb2d 56 | url: "https://pub.dev" 57 | source: hosted 58 | version: "1.0.6" 59 | fake_async: 60 | dependency: transitive 61 | description: 62 | name: fake_async 63 | sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78" 64 | url: "https://pub.dev" 65 | source: hosted 66 | version: "1.3.1" 67 | flutter: 68 | dependency: "direct main" 69 | description: flutter 70 | source: sdk 71 | version: "0.0.0" 72 | flutter_lints: 73 | dependency: "direct dev" 74 | description: 75 | name: flutter_lints 76 | sha256: a25a15ebbdfc33ab1cd26c63a6ee519df92338a9c10f122adda92938253bef04 77 | url: "https://pub.dev" 78 | source: hosted 79 | version: "2.0.3" 80 | flutter_test: 81 | dependency: "direct dev" 82 | description: flutter 83 | source: sdk 84 | version: "0.0.0" 85 | <<<<<<< HEAD 86 | ======= 87 | leak_tracker: 88 | dependency: transitive 89 | description: 90 | name: leak_tracker 91 | sha256: "78eb209deea09858f5269f5a5b02be4049535f568c07b275096836f01ea323fa" 92 | url: "https://pub.dev" 93 | source: hosted 94 | version: "10.0.0" 95 | leak_tracker_flutter_testing: 96 | dependency: transitive 97 | description: 98 | name: leak_tracker_flutter_testing 99 | sha256: b46c5e37c19120a8a01918cfaf293547f47269f7cb4b0058f21531c2465d6ef0 100 | url: "https://pub.dev" 101 | source: hosted 102 | version: "2.0.1" 103 | leak_tracker_testing: 104 | dependency: transitive 105 | description: 106 | name: leak_tracker_testing 107 | sha256: a597f72a664dbd293f3bfc51f9ba69816f84dcd403cdac7066cb3f6003f3ab47 108 | url: "https://pub.dev" 109 | source: hosted 110 | version: "2.0.1" 111 | >>>>>>> 1dbaf9d (Readme for version 0.0.5) 112 | lints: 113 | dependency: transitive 114 | description: 115 | name: lints 116 | sha256: "0a217c6c989d21039f1498c3ed9f3ed71b354e69873f13a8dfc3c9fe76f1b452" 117 | url: "https://pub.dev" 118 | source: hosted 119 | version: "2.1.1" 120 | matcher: 121 | dependency: transitive 122 | description: 123 | name: matcher 124 | <<<<<<< HEAD 125 | sha256: "1803e76e6653768d64ed8ff2e1e67bea3ad4b923eb5c56a295c3e634bad5960e" 126 | url: "https://pub.dev" 127 | source: hosted 128 | version: "0.12.16" 129 | ======= 130 | sha256: d2323aa2060500f906aa31a895b4030b6da3ebdcc5619d14ce1aada65cd161cb 131 | url: "https://pub.dev" 132 | source: hosted 133 | version: "0.12.16+1" 134 | >>>>>>> 1dbaf9d (Readme for version 0.0.5) 135 | material_color_utilities: 136 | dependency: transitive 137 | description: 138 | name: material_color_utilities 139 | <<<<<<< HEAD 140 | sha256: "9528f2f296073ff54cb9fee677df673ace1218163c3bc7628093e7eed5203d41" 141 | url: "https://pub.dev" 142 | source: hosted 143 | version: "0.5.0" 144 | ======= 145 | sha256: "0e0a020085b65b6083975e499759762399b4475f766c21668c4ecca34ea74e5a" 146 | url: "https://pub.dev" 147 | source: hosted 148 | version: "0.8.0" 149 | >>>>>>> 1dbaf9d (Readme for version 0.0.5) 150 | meta: 151 | dependency: transitive 152 | description: 153 | name: meta 154 | sha256: d584fa6707a52763a52446f02cc621b077888fb63b93bbcb1143a7be5a0c0c04 155 | url: "https://pub.dev" 156 | source: hosted 157 | version: "1.11.0" 158 | node_editor: 159 | dependency: "direct main" 160 | description: 161 | path: "../.." 162 | relative: true 163 | source: path 164 | version: "0.0.2" 165 | path: 166 | dependency: transitive 167 | description: 168 | name: path 169 | sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af" 170 | url: "https://pub.dev" 171 | source: hosted 172 | version: "1.9.0" 173 | sky_engine: 174 | dependency: transitive 175 | description: flutter 176 | source: sdk 177 | version: "0.0.99" 178 | source_span: 179 | dependency: transitive 180 | description: 181 | name: source_span 182 | sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c" 183 | url: "https://pub.dev" 184 | source: hosted 185 | version: "1.10.0" 186 | stack_trace: 187 | dependency: transitive 188 | description: 189 | name: stack_trace 190 | sha256: "73713990125a6d93122541237550ee3352a2d84baad52d375a4cad2eb9b7ce0b" 191 | url: "https://pub.dev" 192 | source: hosted 193 | version: "1.11.1" 194 | stream_channel: 195 | dependency: transitive 196 | description: 197 | name: stream_channel 198 | sha256: ba2aa5d8cc609d96bbb2899c28934f9e1af5cddbd60a827822ea467161eb54e7 199 | url: "https://pub.dev" 200 | source: hosted 201 | version: "2.1.2" 202 | string_scanner: 203 | dependency: transitive 204 | description: 205 | name: string_scanner 206 | sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde" 207 | url: "https://pub.dev" 208 | source: hosted 209 | version: "1.2.0" 210 | term_glyph: 211 | dependency: transitive 212 | description: 213 | name: term_glyph 214 | sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84 215 | url: "https://pub.dev" 216 | source: hosted 217 | version: "1.2.1" 218 | test_api: 219 | dependency: transitive 220 | description: 221 | name: test_api 222 | <<<<<<< HEAD 223 | sha256: "75760ffd7786fffdfb9597c35c5b27eaeec82be8edfb6d71d32651128ed7aab8" 224 | url: "https://pub.dev" 225 | source: hosted 226 | version: "0.6.0" 227 | ======= 228 | sha256: "5c2f730018264d276c20e4f1503fd1308dfbbae39ec8ee63c5236311ac06954b" 229 | url: "https://pub.dev" 230 | source: hosted 231 | version: "0.6.1" 232 | >>>>>>> 1dbaf9d (Readme for version 0.0.5) 233 | vector_math: 234 | dependency: transitive 235 | description: 236 | name: vector_math 237 | sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803" 238 | url: "https://pub.dev" 239 | source: hosted 240 | version: "2.1.4" 241 | <<<<<<< HEAD 242 | web: 243 | dependency: transitive 244 | description: 245 | name: web 246 | sha256: dc8ccd225a2005c1be616fe02951e2e342092edf968cf0844220383757ef8f10 247 | url: "https://pub.dev" 248 | source: hosted 249 | version: "0.1.4-beta" 250 | sdks: 251 | dart: ">=3.1.0-185.0.dev <4.0.0" 252 | ======= 253 | vm_service: 254 | dependency: transitive 255 | description: 256 | name: vm_service 257 | sha256: b3d56ff4341b8f182b96aceb2fa20e3dcb336b9f867bc0eafc0de10f1048e957 258 | url: "https://pub.dev" 259 | source: hosted 260 | version: "13.0.0" 261 | sdks: 262 | dart: ">=3.2.0-0 <4.0.0" 263 | >>>>>>> 1dbaf9d (Readme for version 0.0.5) 264 | flutter: ">=1.17.0" 265 | -------------------------------------------------------------------------------- /lib/src/connections.dart: -------------------------------------------------------------------------------- 1 | import 'dart:ui'; 2 | 3 | import 'package:flutter/material.dart'; 4 | 5 | import 'controller.dart'; 6 | import 'curve.dart'; 7 | import 'nodes.dart'; 8 | import 'render_info.dart'; 9 | 10 | class ConnectionTheme { 11 | final Color color; 12 | final double strokeWidth; 13 | 14 | ConnectionTheme({required this.color, required this.strokeWidth}); 15 | } 16 | 17 | class Connection { 18 | NodeModel inNode; 19 | NodeModel outNode; 20 | Port inPort; 21 | Port outPort; 22 | bool selected; 23 | late ConnectionPathBase connectionPath; 24 | 25 | Connection({ 26 | required this.inPort, 27 | required this.inNode, 28 | required this.outNode, 29 | required this.outPort, 30 | this.selected = false, 31 | }) { 32 | connectionPath = 33 | SolidConnectionPath(inputPort: inPort, outputPort: outPort); 34 | } 35 | } 36 | 37 | class ConnectionPoint { 38 | String outNode; 39 | String outPort; 40 | 41 | ConnectionPoint({required this.outNode, required this.outPort}); 42 | } 43 | 44 | class ConnectionsManager { 45 | List connections = []; 46 | ConnectionPoint? startConnection; 47 | String? outPortName; 48 | String? outNodeName; 49 | ConnectionTheme? outTheme; 50 | bool? outDominant; 51 | Offset? startPointConnection; 52 | Offset? mousePoint; 53 | bool isShiftPressed = false; 54 | 55 | void addConnectionByTap(Map nodes, 56 | {required String inPort, required String inNode}) { 57 | if (outNodeName == null || outPortName == null) { 58 | return; 59 | } 60 | 61 | bool Function(String, String)? onConnect = 62 | (nodes[inNode]?.ports[inPort] as InPort).onConnect; 63 | 64 | if (onConnect == null || !onConnect.call(outNodeName!, outPortName!)) { 65 | outNodeName = null; 66 | outPortName = null; 67 | startPointConnection = null; 68 | mousePoint = null; 69 | return; 70 | } 71 | 72 | var conn = Connection( 73 | inNode: nodes[inNode]!, 74 | inPort: nodes[inNode]!.ports[inPort]!, 75 | outNode: nodes[outNodeName]!, 76 | outPort: nodes[outNodeName]!.ports[outPortName]!); 77 | 78 | connections.add(conn); 79 | outNodeName = null; 80 | outPortName = null; 81 | startPointConnection = null; 82 | mousePoint = null; 83 | } 84 | 85 | void removeConnection(Connection connection) { 86 | connections.removeWhere((conn) => 87 | conn.inNode.name == connection.inNode.name && 88 | conn.inPort.name == connection.inPort.name && 89 | conn.outNode.name == connection.outNode.name && 90 | conn.outPort.name == connection.outPort.name); 91 | } 92 | 93 | void removeConnectionsFromNode(String nodeName) { 94 | connections.removeWhere((conn) => 95 | conn.inNode.name == nodeName || conn.outNode.name == nodeName); 96 | } 97 | 98 | void removeSelected() { 99 | connections.removeWhere((conn) => conn.selected); 100 | } 101 | 102 | void setConnecting(NodeEditorController controller, 103 | Map nodes, String nameNode, String namePort) { 104 | NodeItem? item = nodes[nameNode]?.ports[namePort]; 105 | outTheme = nodes[nameNode]?.ports[namePort]?.connectionTheme; 106 | outDominant = nodes[nameNode]?.ports[namePort]?.dominant; 107 | 108 | if (item is OutPort) { 109 | var obj = item.globalKey.currentContext?.findRenderObject(); 110 | if (obj == null) { 111 | return; 112 | } 113 | final RenderBox stackRenderBox = obj as RenderBox; 114 | startPointConnection = 115 | stackRenderBox.localToGlobal(Offset.zero) - controller.stackPos!; 116 | outNodeName = nameNode; 117 | outPortName = namePort; 118 | } 119 | } 120 | 121 | void unsetConnecting() { 122 | outNodeName = null; 123 | outPortName = null; 124 | startPointConnection = null; 125 | mousePoint = null; 126 | } 127 | 128 | bool isInputPortConnected(String nodeName, String portName) { 129 | return connections.any((connection) => 130 | connection.inNode.name == nodeName && 131 | connection.inPort.name == portName); 132 | } 133 | 134 | bool isOutputPortConnected(String nodeName, String portName) { 135 | return connections.any((connection) => 136 | connection.outNode.name == nodeName && 137 | connection.outPort.name == portName); 138 | } 139 | 140 | List getSelected() { 141 | List conns = []; 142 | for (var conn in connections) { 143 | if (conn.selected) { 144 | conns.add(conn); 145 | } 146 | } 147 | 148 | return conns; 149 | } 150 | 151 | void selectOnTap(NodeEditorController controller, Offset tapPosition) { 152 | Offset viewportOffset = controller.getViewportOffset(); 153 | debugPrint('selectOnTap->tapPosition: $tapPosition'); 154 | for (var conn in connections) { 155 | Offset? startPoint = getPortPosition(controller, conn.outPort); 156 | Offset? endPoint = getPortPosition(controller, conn.inPort); 157 | 158 | if (startPoint == null || endPoint == null) continue; 159 | 160 | Offset adjustedTapPosition = tapPosition + viewportOffset; 161 | Offset adjustedStartPoint = startPoint ; 162 | Offset adjustedEndPoint = endPoint; 163 | 164 | bool v = conn.connectionPath.checkTapInLine( 165 | adjustedTapPosition, adjustedStartPoint, adjustedEndPoint, 7); 166 | if (!(isShiftPressed && conn.selected)) { 167 | conn.selected = v; 168 | } 169 | 170 | if (v) { 171 | controller.onSelectListener?.call(conn); 172 | } 173 | } 174 | } 175 | 176 | mousePosition(Offset pos) { 177 | if (startPointConnection != null) { 178 | mousePoint = pos; 179 | debugPrint('Mouse set_pos: $pos'); 180 | } 181 | } 182 | } 183 | 184 | abstract class ConnectionPathBase { 185 | final Port inputPort; 186 | final Port outputPort; 187 | 188 | ConnectionPathBase({required this.inputPort, required this.outputPort}); 189 | 190 | Color get color; 191 | double get strokeWidth; 192 | 193 | bool checkTapInLine(Offset tapPosition, Offset startPoint, Offset endPoint, 194 | double tolerance) { 195 | var curve = drawCurve(startPoint, endPoint, selected: false); 196 | for (PathMetric pathMetric in curve.path.computeMetrics()) { 197 | final double pathLength = pathMetric.length; 198 | 199 | // Iterate through each point in the path and check its distance to the 200 | // tap position 201 | for (double distance = 0.0; distance < pathLength; distance += 1.0) { 202 | final Tangent? tangent = pathMetric.getTangentForOffset(distance); 203 | final Offset? point = tangent?.position; 204 | 205 | if (point != null && (point - tapPosition).distance <= tolerance) { 206 | return true; 207 | } 208 | } 209 | } 210 | return false; 211 | } 212 | 213 | void drawConnection(Canvas canvas, Size size, 214 | {required Offset startPoint, 215 | required Offset endPoint, 216 | bool selected = false}) { 217 | ConnectionCurve curve = drawCurve(startPoint, endPoint, selected: selected); 218 | canvas.drawPath(curve.path, curve.paint); 219 | } 220 | 221 | ConnectionCurve drawCurve(Offset startPoint, Offset endPoint, 222 | {required bool selected}); 223 | } 224 | 225 | class SolidConnectionPath extends ConnectionPathBase { 226 | final Color _color; 227 | final double _strokeWidth; 228 | 229 | SolidConnectionPath({required super.inputPort, required super.outputPort}) 230 | : _color = outputPort.dominant 231 | ? outputPort.connectionTheme.color 232 | : inputPort.dominant 233 | ? inputPort.connectionTheme.color 234 | : outputPort.connectionTheme.color, 235 | _strokeWidth = outputPort.dominant 236 | ? outputPort.connectionTheme.strokeWidth 237 | : inputPort.dominant 238 | ? inputPort.connectionTheme.strokeWidth 239 | : outputPort.connectionTheme.strokeWidth; 240 | 241 | @override 242 | Color get color => _color; 243 | 244 | @override 245 | double get strokeWidth => _strokeWidth; 246 | 247 | @override 248 | ConnectionCurve drawCurve(Offset startPoint, Offset endPoint, 249 | {required bool selected}) { 250 | var paint = Paint() 251 | ..color = color 252 | ..strokeWidth = strokeWidth + (selected ? 3 : 0) 253 | ..style = PaintingStyle.stroke; 254 | 255 | // Adjust the amount of curve 256 | double curveDistance = 200.0; // You can adjust this value as needed 257 | 258 | // Control points for the bezier curve 259 | Offset controlPoint1; 260 | Offset controlPoint2; 261 | 262 | if (startPoint.dx > endPoint.dx) { 263 | // When startPoint is to the right of endPoint, curve outwards 264 | controlPoint1 = Offset(startPoint.dx + curveDistance, startPoint.dy); 265 | controlPoint2 = Offset(endPoint.dx - curveDistance, endPoint.dy); 266 | } else { 267 | // Regular straight bezier curve 268 | controlPoint1 = Offset((startPoint.dx + endPoint.dx) / 2, startPoint.dy); 269 | controlPoint2 = Offset((startPoint.dx + endPoint.dx) / 2, endPoint.dy); 270 | } 271 | 272 | var path = Path() 273 | ..moveTo(startPoint.dx, startPoint.dy) 274 | ..cubicTo(controlPoint1.dx, controlPoint1.dy, controlPoint2.dx, 275 | controlPoint2.dy, endPoint.dx, endPoint.dy); 276 | 277 | return ConnectionCurve(path: path, paint: paint); 278 | } 279 | } 280 | -------------------------------------------------------------------------------- /examples/advanced/windows/runner/win32_window.cpp: -------------------------------------------------------------------------------- 1 | #include "win32_window.h" 2 | 3 | #include 4 | #include 5 | 6 | #include "resource.h" 7 | 8 | namespace { 9 | 10 | /// Window attribute that enables dark mode window decorations. 11 | /// 12 | /// Redefined in case the developer's machine has a Windows SDK older than 13 | /// version 10.0.22000.0. 14 | /// See: https://docs.microsoft.com/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute 15 | #ifndef DWMWA_USE_IMMERSIVE_DARK_MODE 16 | #define DWMWA_USE_IMMERSIVE_DARK_MODE 20 17 | #endif 18 | 19 | constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW"; 20 | 21 | /// Registry key for app theme preference. 22 | /// 23 | /// A value of 0 indicates apps should use dark mode. A non-zero or missing 24 | /// value indicates apps should use light mode. 25 | constexpr const wchar_t kGetPreferredBrightnessRegKey[] = 26 | L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize"; 27 | constexpr const wchar_t kGetPreferredBrightnessRegValue[] = L"AppsUseLightTheme"; 28 | 29 | // The number of Win32Window objects that currently exist. 30 | static int g_active_window_count = 0; 31 | 32 | using EnableNonClientDpiScaling = BOOL __stdcall(HWND hwnd); 33 | 34 | // Scale helper to convert logical scaler values to physical using passed in 35 | // scale factor 36 | int Scale(int source, double scale_factor) { 37 | return static_cast(source * scale_factor); 38 | } 39 | 40 | // Dynamically loads the |EnableNonClientDpiScaling| from the User32 module. 41 | // This API is only needed for PerMonitor V1 awareness mode. 42 | void EnableFullDpiSupportIfAvailable(HWND hwnd) { 43 | HMODULE user32_module = LoadLibraryA("User32.dll"); 44 | if (!user32_module) { 45 | return; 46 | } 47 | auto enable_non_client_dpi_scaling = 48 | reinterpret_cast( 49 | GetProcAddress(user32_module, "EnableNonClientDpiScaling")); 50 | if (enable_non_client_dpi_scaling != nullptr) { 51 | enable_non_client_dpi_scaling(hwnd); 52 | } 53 | FreeLibrary(user32_module); 54 | } 55 | 56 | } // namespace 57 | 58 | // Manages the Win32Window's window class registration. 59 | class WindowClassRegistrar { 60 | public: 61 | ~WindowClassRegistrar() = default; 62 | 63 | // Returns the singleton registrar instance. 64 | static WindowClassRegistrar* GetInstance() { 65 | if (!instance_) { 66 | instance_ = new WindowClassRegistrar(); 67 | } 68 | return instance_; 69 | } 70 | 71 | // Returns the name of the window class, registering the class if it hasn't 72 | // previously been registered. 73 | const wchar_t* GetWindowClass(); 74 | 75 | // Unregisters the window class. Should only be called if there are no 76 | // instances of the window. 77 | void UnregisterWindowClass(); 78 | 79 | private: 80 | WindowClassRegistrar() = default; 81 | 82 | static WindowClassRegistrar* instance_; 83 | 84 | bool class_registered_ = false; 85 | }; 86 | 87 | WindowClassRegistrar* WindowClassRegistrar::instance_ = nullptr; 88 | 89 | const wchar_t* WindowClassRegistrar::GetWindowClass() { 90 | if (!class_registered_) { 91 | WNDCLASS window_class{}; 92 | window_class.hCursor = LoadCursor(nullptr, IDC_ARROW); 93 | window_class.lpszClassName = kWindowClassName; 94 | window_class.style = CS_HREDRAW | CS_VREDRAW; 95 | window_class.cbClsExtra = 0; 96 | window_class.cbWndExtra = 0; 97 | window_class.hInstance = GetModuleHandle(nullptr); 98 | window_class.hIcon = 99 | LoadIcon(window_class.hInstance, MAKEINTRESOURCE(IDI_APP_ICON)); 100 | window_class.hbrBackground = 0; 101 | window_class.lpszMenuName = nullptr; 102 | window_class.lpfnWndProc = Win32Window::WndProc; 103 | RegisterClass(&window_class); 104 | class_registered_ = true; 105 | } 106 | return kWindowClassName; 107 | } 108 | 109 | void WindowClassRegistrar::UnregisterWindowClass() { 110 | UnregisterClass(kWindowClassName, nullptr); 111 | class_registered_ = false; 112 | } 113 | 114 | Win32Window::Win32Window() { 115 | ++g_active_window_count; 116 | } 117 | 118 | Win32Window::~Win32Window() { 119 | --g_active_window_count; 120 | Destroy(); 121 | } 122 | 123 | bool Win32Window::Create(const std::wstring& title, 124 | const Point& origin, 125 | const Size& size) { 126 | Destroy(); 127 | 128 | const wchar_t* window_class = 129 | WindowClassRegistrar::GetInstance()->GetWindowClass(); 130 | 131 | const POINT target_point = {static_cast(origin.x), 132 | static_cast(origin.y)}; 133 | HMONITOR monitor = MonitorFromPoint(target_point, MONITOR_DEFAULTTONEAREST); 134 | UINT dpi = FlutterDesktopGetDpiForMonitor(monitor); 135 | double scale_factor = dpi / 96.0; 136 | 137 | HWND window = CreateWindow( 138 | window_class, title.c_str(), WS_OVERLAPPEDWINDOW, 139 | Scale(origin.x, scale_factor), Scale(origin.y, scale_factor), 140 | Scale(size.width, scale_factor), Scale(size.height, scale_factor), 141 | nullptr, nullptr, GetModuleHandle(nullptr), this); 142 | 143 | if (!window) { 144 | return false; 145 | } 146 | 147 | UpdateTheme(window); 148 | 149 | return OnCreate(); 150 | } 151 | 152 | bool Win32Window::Show() { 153 | return ShowWindow(window_handle_, SW_SHOWNORMAL); 154 | } 155 | 156 | // static 157 | LRESULT CALLBACK Win32Window::WndProc(HWND const window, 158 | UINT const message, 159 | WPARAM const wparam, 160 | LPARAM const lparam) noexcept { 161 | if (message == WM_NCCREATE) { 162 | auto window_struct = reinterpret_cast(lparam); 163 | SetWindowLongPtr(window, GWLP_USERDATA, 164 | reinterpret_cast(window_struct->lpCreateParams)); 165 | 166 | auto that = static_cast(window_struct->lpCreateParams); 167 | EnableFullDpiSupportIfAvailable(window); 168 | that->window_handle_ = window; 169 | } else if (Win32Window* that = GetThisFromHandle(window)) { 170 | return that->MessageHandler(window, message, wparam, lparam); 171 | } 172 | 173 | return DefWindowProc(window, message, wparam, lparam); 174 | } 175 | 176 | LRESULT 177 | Win32Window::MessageHandler(HWND hwnd, 178 | UINT const message, 179 | WPARAM const wparam, 180 | LPARAM const lparam) noexcept { 181 | switch (message) { 182 | case WM_DESTROY: 183 | window_handle_ = nullptr; 184 | Destroy(); 185 | if (quit_on_close_) { 186 | PostQuitMessage(0); 187 | } 188 | return 0; 189 | 190 | case WM_DPICHANGED: { 191 | auto newRectSize = reinterpret_cast(lparam); 192 | LONG newWidth = newRectSize->right - newRectSize->left; 193 | LONG newHeight = newRectSize->bottom - newRectSize->top; 194 | 195 | SetWindowPos(hwnd, nullptr, newRectSize->left, newRectSize->top, newWidth, 196 | newHeight, SWP_NOZORDER | SWP_NOACTIVATE); 197 | 198 | return 0; 199 | } 200 | case WM_SIZE: { 201 | RECT rect = GetClientArea(); 202 | if (child_content_ != nullptr) { 203 | // Size and position the child window. 204 | MoveWindow(child_content_, rect.left, rect.top, rect.right - rect.left, 205 | rect.bottom - rect.top, TRUE); 206 | } 207 | return 0; 208 | } 209 | 210 | case WM_ACTIVATE: 211 | if (child_content_ != nullptr) { 212 | SetFocus(child_content_); 213 | } 214 | return 0; 215 | 216 | case WM_DWMCOLORIZATIONCOLORCHANGED: 217 | UpdateTheme(hwnd); 218 | return 0; 219 | } 220 | 221 | return DefWindowProc(window_handle_, message, wparam, lparam); 222 | } 223 | 224 | void Win32Window::Destroy() { 225 | OnDestroy(); 226 | 227 | if (window_handle_) { 228 | DestroyWindow(window_handle_); 229 | window_handle_ = nullptr; 230 | } 231 | if (g_active_window_count == 0) { 232 | WindowClassRegistrar::GetInstance()->UnregisterWindowClass(); 233 | } 234 | } 235 | 236 | Win32Window* Win32Window::GetThisFromHandle(HWND const window) noexcept { 237 | return reinterpret_cast( 238 | GetWindowLongPtr(window, GWLP_USERDATA)); 239 | } 240 | 241 | void Win32Window::SetChildContent(HWND content) { 242 | child_content_ = content; 243 | SetParent(content, window_handle_); 244 | RECT frame = GetClientArea(); 245 | 246 | MoveWindow(content, frame.left, frame.top, frame.right - frame.left, 247 | frame.bottom - frame.top, true); 248 | 249 | SetFocus(child_content_); 250 | } 251 | 252 | RECT Win32Window::GetClientArea() { 253 | RECT frame; 254 | GetClientRect(window_handle_, &frame); 255 | return frame; 256 | } 257 | 258 | HWND Win32Window::GetHandle() { 259 | return window_handle_; 260 | } 261 | 262 | void Win32Window::SetQuitOnClose(bool quit_on_close) { 263 | quit_on_close_ = quit_on_close; 264 | } 265 | 266 | bool Win32Window::OnCreate() { 267 | // No-op; provided for subclasses. 268 | return true; 269 | } 270 | 271 | void Win32Window::OnDestroy() { 272 | // No-op; provided for subclasses. 273 | } 274 | 275 | void Win32Window::UpdateTheme(HWND const window) { 276 | DWORD light_mode; 277 | DWORD light_mode_size = sizeof(light_mode); 278 | LSTATUS result = RegGetValue(HKEY_CURRENT_USER, kGetPreferredBrightnessRegKey, 279 | kGetPreferredBrightnessRegValue, 280 | RRF_RT_REG_DWORD, nullptr, &light_mode, 281 | &light_mode_size); 282 | 283 | if (result == ERROR_SUCCESS) { 284 | BOOL enable_dark_mode = light_mode == 0; 285 | DwmSetWindowAttribute(window, DWMWA_USE_IMMERSIVE_DARK_MODE, 286 | &enable_dark_mode, sizeof(enable_dark_mode)); 287 | } 288 | } 289 | -------------------------------------------------------------------------------- /lib/src/properties/checkbox.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | import '../properties.dart'; 4 | 5 | class CheckBoxProperty extends StatefulWidget { 6 | const CheckBoxProperty({ 7 | Key? key, 8 | required this.name, 9 | this.startValue, 10 | this.onChanged, 11 | this.mouseCursor, 12 | this.activeColor, 13 | this.fillColor, 14 | this.checkColor, 15 | this.materialTapTargetSize, 16 | this.visualDensity, 17 | this.focusColor, 18 | this.hoverColor, 19 | this.overlayColor, 20 | this.splashRadius, 21 | this.focusNode, 22 | this.autofocus = false, 23 | this.shape, 24 | this.side, 25 | this.isError = false, 26 | }) : super(key: key); 27 | 28 | final String name; 29 | 30 | /// Whether this checkbox is checked. 31 | /// 32 | /// When [tristate] is true, a value of null corresponds to the mixed state. 33 | /// When [tristate] is false, this value must not be null. 34 | final bool? startValue; 35 | 36 | /// Called when the value of the checkbox should change. 37 | /// 38 | /// The checkbox passes the new value to the callback but does not actually 39 | /// change state until the parent widget rebuilds the checkbox with the new 40 | /// value. 41 | /// 42 | /// If this callback is null, the checkbox will be displayed as disabled 43 | /// and will not respond to input gestures. 44 | /// 45 | /// When the checkbox is tapped, if [tristate] is false (the default) then 46 | /// the [onChanged] callback will be applied to `!value`. If [tristate] is 47 | /// true this callback cycle from false to true to null. 48 | /// 49 | /// The callback provided to [onChanged] should update the state of the parent 50 | /// [StatefulWidget] using the [State.setState] method, so that the parent 51 | /// gets rebuilt; for example: 52 | /// 53 | /// ```dart 54 | /// Checkbox( 55 | /// value: _throwShotAway, 56 | /// onChanged: (bool? newValue) { 57 | /// setState(() { 58 | /// _throwShotAway = newValue!; 59 | /// }); 60 | /// }, 61 | /// ) 62 | /// ``` 63 | final ValueChanged? onChanged; 64 | 65 | /// {@template flutter.material.checkbox.mouseCursor} 66 | /// The cursor for a mouse pointer when it enters or is hovering over the 67 | /// widget. 68 | /// 69 | /// If [mouseCursor] is a [MaterialStateProperty], 70 | /// [MaterialStateProperty.resolve] is used for the following [MaterialState]s: 71 | /// 72 | /// * [MaterialState.selected]. 73 | /// * [MaterialState.hovered]. 74 | /// * [MaterialState.focused]. 75 | /// * [MaterialState.disabled]. 76 | /// {@endtemplate} 77 | /// 78 | /// When [startValue] is null and [tristate] is true, [MaterialState.selected] is 79 | /// included as a state. 80 | /// 81 | /// If null, then the value of [CheckboxThemeData.mouseCursor] is used. If 82 | /// that is also null, then [MaterialStateMouseCursor.clickable] is used. 83 | /// 84 | /// See also: 85 | /// 86 | /// * [MaterialStateMouseCursor], a [MouseCursor] that implements 87 | /// `MaterialStateProperty` which is used in APIs that need to accept 88 | /// either a [MouseCursor] or a [MaterialStateProperty]. 89 | final MouseCursor? mouseCursor; 90 | 91 | /// The color to use when this checkbox is checked. 92 | /// 93 | /// Defaults to [ColorScheme.secondary]. 94 | /// 95 | /// If [fillColor] returns a non-null color in the [MaterialState.selected] 96 | /// state, it will be used instead of this color. 97 | final Color? activeColor; 98 | 99 | /// {@template flutter.material.checkbox.fillColor} 100 | /// The color that fills the checkbox, in all [MaterialState]s. 101 | /// 102 | /// Resolves in the following states: 103 | /// * [MaterialState.selected]. 104 | /// * [MaterialState.hovered]. 105 | /// * [MaterialState.focused]. 106 | /// * [MaterialState.disabled]. 107 | /// 108 | /// {@tool snippet} 109 | /// This example resolves the [fillColor] based on the current [MaterialState] 110 | /// of the [Checkbox], providing a different [Color] when it is 111 | /// [MaterialState.disabled]. 112 | /// 113 | /// ```dart 114 | /// Checkbox( 115 | /// value: true, 116 | /// onChanged: (_){}, 117 | /// fillColor: MaterialStateProperty.resolveWith((Set states) { 118 | /// if (states.contains(MaterialState.disabled)) { 119 | /// return Colors.orange.withOpacity(.32); 120 | /// } 121 | /// return Colors.orange; 122 | /// }) 123 | /// ) 124 | /// ``` 125 | /// {@end-tool} 126 | /// {@endtemplate} 127 | /// 128 | /// If null, then the value of [activeColor] is used in the selected 129 | /// state. If that is also null, the value of [CheckboxThemeData.fillColor] 130 | /// is used. If that is also null, then [ThemeData.disabledColor] is used in 131 | /// the disabled state, [ColorScheme.secondary] is used in the 132 | /// selected state, and [ThemeData.unselectedWidgetColor] is used in the 133 | /// default state. 134 | final MaterialStateProperty? fillColor; 135 | 136 | /// {@template flutter.material.checkbox.checkColor} 137 | /// The color to use for the check icon when this checkbox is checked. 138 | /// {@endtemplate} 139 | /// 140 | /// If null, then the value of [CheckboxThemeData.checkColor] is used. If 141 | /// that is also null, then Color(0xFFFFFFFF) is used. 142 | final Color? checkColor; 143 | 144 | /// {@template flutter.material.checkbox.materialTapTargetSize} 145 | /// Configures the minimum size of the tap target. 146 | /// {@endtemplate} 147 | /// 148 | /// If null, then the value of [CheckboxThemeData.materialTapTargetSize] is 149 | /// used. If that is also null, then the value of 150 | /// [ThemeData.materialTapTargetSize] is used. 151 | /// 152 | /// See also: 153 | /// 154 | /// * [MaterialTapTargetSize], for a description of how this affects tap targets. 155 | final MaterialTapTargetSize? materialTapTargetSize; 156 | 157 | /// {@template flutter.material.checkbox.visualDensity} 158 | /// Defines how compact the checkbox's layout will be. 159 | /// {@endtemplate} 160 | /// 161 | /// {@macro flutter.material.themedata.visualDensity} 162 | /// 163 | /// If null, then the value of [CheckboxThemeData.visualDensity] is used. If 164 | /// that is also null, then the value of [ThemeData.visualDensity] is used. 165 | /// 166 | /// See also: 167 | /// 168 | /// * [ThemeData.visualDensity], which specifies the [visualDensity] for all 169 | /// widgets within a [Theme]. 170 | final VisualDensity? visualDensity; 171 | 172 | /// The color for the checkbox's [Material] when it has the input focus. 173 | /// 174 | /// If [overlayColor] returns a non-null color in the [MaterialState.focused] 175 | /// state, it will be used instead. 176 | /// 177 | /// If null, then the value of [CheckboxThemeData.overlayColor] is used in the 178 | /// focused state. If that is also null, then the value of 179 | /// [ThemeData.focusColor] is used. 180 | final Color? focusColor; 181 | 182 | /// {@template flutter.material.checkbox.hoverColor} 183 | /// The color for the checkbox's [Material] when a pointer is hovering over it. 184 | /// 185 | /// If [overlayColor] returns a non-null color in the [MaterialState.hovered] 186 | /// state, it will be used instead. 187 | /// {@endtemplate} 188 | /// 189 | /// If null, then the value of [CheckboxThemeData.overlayColor] is used in the 190 | /// hovered state. If that is also null, then the value of 191 | /// [ThemeData.hoverColor] is used. 192 | final Color? hoverColor; 193 | 194 | /// {@template flutter.material.checkbox.overlayColor} 195 | /// The color for the checkbox's [Material]. 196 | /// 197 | /// Resolves in the following states: 198 | /// * [MaterialState.pressed]. 199 | /// * [MaterialState.selected]. 200 | /// * [MaterialState.hovered]. 201 | /// * [MaterialState.focused]. 202 | /// {@endtemplate} 203 | /// 204 | /// If null, then the value of [activeColor] with alpha 205 | /// [kRadialReactionAlpha], [focusColor] and [hoverColor] is used in the 206 | /// pressed, focused and hovered state. If that is also null, 207 | /// the value of [CheckboxThemeData.overlayColor] is used. If that is 208 | /// also null, then the value of [ColorScheme.secondary] with alpha 209 | /// [kRadialReactionAlpha], [ThemeData.focusColor] and [ThemeData.hoverColor] 210 | /// is used in the pressed, focused and hovered state. 211 | final MaterialStateProperty? overlayColor; 212 | 213 | /// {@template flutter.material.checkbox.splashRadius} 214 | /// The splash radius of the circular [Material] ink response. 215 | /// {@endtemplate} 216 | /// 217 | /// If null, then the value of [CheckboxThemeData.splashRadius] is used. If 218 | /// that is also null, then [kRadialReactionRadius] is used. 219 | final double? splashRadius; 220 | 221 | /// {@macro flutter.widgets.Focus.focusNode} 222 | final FocusNode? focusNode; 223 | 224 | /// {@macro flutter.widgets.Focus.autofocus} 225 | final bool autofocus; 226 | 227 | /// {@template flutter.material.checkbox.shape} 228 | /// The shape of the checkbox's [Material]. 229 | /// {@endtemplate} 230 | /// 231 | /// If this property is null then [CheckboxThemeData.shape] of [ThemeData.checkboxTheme] 232 | /// is used. If that's null then the shape will be a [RoundedRectangleBorder] 233 | /// with a circular corner radius of 1.0 in Material 2, and 2.0 in Material 3. 234 | final OutlinedBorder? shape; 235 | 236 | /// {@template flutter.material.checkbox.side} 237 | /// The color and width of the checkbox's border. 238 | /// 239 | /// This property can be a [MaterialStateBorderSide] that can 240 | /// specify different border color and widths depending on the 241 | /// checkbox's state. 242 | /// 243 | /// Resolves in the following states: 244 | /// * [MaterialState.pressed]. 245 | /// * [MaterialState.selected]. 246 | /// * [MaterialState.hovered]. 247 | /// * [MaterialState.focused]. 248 | /// * [MaterialState.disabled]. 249 | /// * [MaterialState.error]. 250 | /// 251 | /// If this property is not a [MaterialStateBorderSide] and it is 252 | /// non-null, then it is only rendered when the checkbox's value is 253 | /// false. The difference in interpretation is for backwards 254 | /// compatibility. 255 | /// {@endtemplate} 256 | /// 257 | /// If this property is null, then [CheckboxThemeData.side] of 258 | /// [ThemeData.checkboxTheme] is used. If that is also null, then the side 259 | /// will be width 2. 260 | final BorderSide? side; 261 | 262 | /// {@template flutter.material.checkbox.isError} 263 | /// True if this checkbox wants to show an error state. 264 | /// 265 | /// The checkbox will have different default container color and check color when 266 | /// this is true. This is only used when [ThemeData.useMaterial3] is set to true. 267 | /// {@endtemplate} 268 | /// 269 | /// Must not be null. Defaults to false. 270 | final bool isError; 271 | 272 | /// The width of a checkbox widget. 273 | static const double width = 18.0; 274 | 275 | @override 276 | State createState() => _CheckBoxPropertyState(); 277 | } 278 | 279 | class _CheckBoxPropertyState extends State 280 | with PropertyMixin { 281 | ValueNotifier checkValue = ValueNotifier(false); 282 | 283 | @override 284 | void initState() { 285 | registerProperty(context, widget.name, false); 286 | WidgetsBinding.instance.addPostFrameCallback((_) { 287 | // After build, set the value of widget to the start value. 288 | // This must be executed just one time. 289 | checkValue.value = widget.startValue ?? false; 290 | }); 291 | super.initState(); 292 | } 293 | 294 | @override 295 | Widget build(BuildContext context) { 296 | return ValueListenableBuilder( 297 | valueListenable: checkValue, 298 | builder: (context, value, child) { 299 | return Checkbox( 300 | value: checkValue.value, 301 | onChanged: (bool? newValue) { 302 | checkValue.value = newValue; 303 | setPropertyValue(newValue); 304 | widget.onChanged?.call(newValue); 305 | }, 306 | mouseCursor: widget.mouseCursor, 307 | autofocus: widget.autofocus, 308 | focusNode: widget.focusNode, 309 | hoverColor: widget.hoverColor, 310 | fillColor: widget.fillColor, 311 | checkColor: widget.checkColor, 312 | activeColor: widget.activeColor, 313 | focusColor: widget.focusColor, 314 | isError: widget.isError, 315 | materialTapTargetSize: widget.materialTapTargetSize, 316 | overlayColor: widget.overlayColor, 317 | shape: widget.shape, 318 | side: widget.side, 319 | splashRadius: widget.splashRadius, 320 | visualDensity: widget.visualDensity, 321 | ); 322 | }, 323 | ); 324 | } 325 | } 326 | --------------------------------------------------------------------------------