├── .gitignore ├── CMakeLists.txt ├── LICENSES ├── GPL-3.0-or-later.txt └── MIT.txt ├── README.md └── src ├── CMakeLists.txt ├── main.cpp ├── metadata.json ├── slidingnotificationsconfig.kcfg ├── slidingnotificationsconfig.kcfgc ├── slidingnotificationseffect.cpp └── slidingnotificationseffect.h /.gitignore: -------------------------------------------------------------------------------- 1 | .cache 2 | -------------------------------------------------------------------------------- /CMakeLists.txt: -------------------------------------------------------------------------------- 1 | cmake_minimum_required(VERSION 3.0) 2 | project(kwin-effects-sliding-notifications) 3 | 4 | set(KF_MIN_VERSION "6.0.0") 5 | set(QT_MIN_VERSION "6.6.0") 6 | 7 | set(CMAKE_CXX_STANDARD 20) 8 | set(CMAKE_CXX_STANDARD_REQUIRED ON) 9 | set(CMAKE_CXX_EXTENSIONS OFF) 10 | 11 | find_package(ECM ${KF_MIN_VERSION} REQUIRED NO_MODULE) 12 | set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${ECM_MODULE_PATH}) 13 | 14 | include(FeatureSummary) 15 | include(KDEInstallDirs) 16 | include(KDECMakeSettings) 17 | include(KDECompilerSettings NO_POLICY_SCOPE) 18 | 19 | find_package(Qt6 ${QT_MIN_VERSION} REQUIRED COMPONENTS 20 | Core 21 | Gui 22 | ) 23 | 24 | find_package(KF6 ${KF_MIN_VERSION} REQUIRED COMPONENTS 25 | Config 26 | ConfigWidgets 27 | CoreAddons 28 | WindowSystem 29 | ) 30 | 31 | find_package(epoxy REQUIRED) 32 | find_package(XCB REQUIRED COMPONENTS 33 | XCB 34 | ) 35 | 36 | find_package(KWin 6.0.0 REQUIRED COMPONENTS 37 | kwin 38 | ) 39 | 40 | add_subdirectory(src) 41 | 42 | feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES) 43 | -------------------------------------------------------------------------------- /LICENSES/GPL-3.0-or-later.txt: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | 3 | Version 3, 29 June 2007 4 | 5 | Copyright © 2007 Free Software Foundation, Inc. 6 | 7 | Everyone is permitted to copy and distribute verbatim copies of this license 8 | document, but changing it is not allowed. 9 | 10 | Preamble 11 | 12 | The GNU General Public License is a free, copyleft license for software and 13 | other kinds of works. 14 | 15 | The licenses for most software and other practical works are designed to take 16 | away your freedom to share and change the works. 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It is safest to attach 580 | them to the start of each source file to most effectively state the exclusion 581 | of warranty; and each file should have at least the "copyright" line and a 582 | pointer to where the full notice is found. 583 | 584 | 585 | 586 | Copyright (C) 587 | 588 | This program is free software: you can redistribute it and/or modify it under 589 | the terms of the GNU General Public License as published by the Free Software 590 | Foundation, either version 3 of the License, or (at your option) any later 591 | version. 592 | 593 | This program is distributed in the hope that it will be useful, but WITHOUT 594 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 595 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. 596 | 597 | You should have received a copy of the GNU General Public License along with 598 | this program. If not, see . 599 | 600 | Also add information on how to contact you by electronic and paper mail. 601 | 602 | If the program does terminal interaction, make it output a short notice like 603 | this when it starts in an interactive mode: 604 | 605 | Copyright (C) 606 | 607 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 608 | 609 | This is free software, and you are welcome to redistribute it under certain 610 | conditions; type `show c' for details. 611 | 612 | The hypothetical commands `show w' and `show c' should show the appropriate 613 | parts of the General Public License. Of course, your program's commands might 614 | be different; for a GUI interface, you would use an "about box". 615 | 616 | You should also get your employer (if you work as a programmer) or school, 617 | if any, to sign a "copyright disclaimer" for the program, if necessary. For 618 | more information on this, and how to apply and follow the GNU GPL, see . 619 | 620 | The GNU General Public License does not permit incorporating your program 621 | into proprietary programs. If your program is a subroutine library, you may 622 | consider it more useful to permit linking proprietary applications with the 623 | library. If this is what you want to do, use the GNU Lesser General Public 624 | License instead of this License. But first, please read . 626 | -------------------------------------------------------------------------------- /LICENSES/MIT.txt: -------------------------------------------------------------------------------- 1 | MIT License Copyright (c) 2 | 3 | Permission is hereby granted, free of charge, to any person obtaining a copy 4 | of this software and associated documentation files (the "Software"), to deal 5 | in the Software without restriction, including without limitation the rights 6 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 | copies of the Software, and to permit persons to whom the Software is furnished 8 | to do so, subject to the following conditions: 9 | 10 | The above copyright notice and this permission notice (including the next 11 | paragraph) shall be included in all copies or substantial portions of the 12 | Software. 13 | 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS 16 | FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS 17 | OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 18 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF 19 | OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 20 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Sliding Notifications Effect 2 | 3 | [![AUR version](https://img.shields.io/aur/version/kwin-effects-sliding-notifications)](https://aur.archlinux.org/packages/kwin-effects-sliding-notifications/) 4 | 5 | This is a simple effect that makes notification windows slide in and out when they are shown or hidden. [Demo](https://youtu.be/6uzv8r8Oqf4) 6 | 7 | 8 | ## Building from Git 9 | 10 | You will need the following dependencies to build this effect: 11 | 12 | * CMake 13 | * any C++20 enabled compiler 14 | * Qt 15 | * libkwineffects 16 | * KDE Frameworks: 17 | - Config 18 | - CoreAddons 19 | - Extra CMake Modules 20 | - WindowSystem 21 | 22 | ### On Arch Linux 23 | 24 | ```sh 25 | sudo pacman -S cmake extra-cmake-modules kwin 26 | ``` 27 | 28 | ### On Fedora 29 | 30 | ```sh 31 | sudo dnf install cmake extra-cmake-modules kf6-kconfig-devel \ 32 | kf6-kconfigwidgets-devel kf6-kcoreaddons-devel kf6-kwindowsystem-devel \ 33 | kwin-devel libepoxy-devel qt6-qtbase-devel 34 | ``` 35 | 36 | 37 | ### On Ubuntu 38 | 39 | ```sh 40 | sudo apt install cmake extra-cmake-modules kwin-dev \ 41 | libkf5config-dev libkf5configwidgets-dev libkf5coreaddons-dev \ 42 | libkf5windowsystem-dev qtbase5-dev 43 | ``` 44 | 45 | After installing all the required dependencies, you can build 46 | the effect: 47 | 48 | ```sh 49 | git clone https://github.com/zzag/kwin-effects-sliding-notifications.git 50 | cd kwin-effects-sliding-notifications 51 | mkdir build && cd build 52 | cmake .. \ 53 | -DCMAKE_BUILD_TYPE=Release \ 54 | -DCMAKE_INSTALL_PREFIX=/usr 55 | make 56 | sudo make install 57 | ``` 58 | 59 | -------------------------------------------------------------------------------- /src/CMakeLists.txt: -------------------------------------------------------------------------------- 1 | kcoreaddons_add_plugin(slidingnotifications INSTALL_NAMESPACE "kwin/effects/plugins") 2 | 3 | target_sources(slidingnotifications PRIVATE 4 | main.cpp 5 | slidingnotificationseffect.cpp 6 | ) 7 | 8 | kconfig_add_kcfg_files(slidingnotifications 9 | slidingnotificationsconfig.kcfgc 10 | ) 11 | 12 | target_link_libraries(slidingnotifications 13 | Qt6::Core 14 | Qt6::Gui 15 | 16 | KF6::ConfigCore 17 | KF6::ConfigGui 18 | KF6::CoreAddons 19 | KF6::WindowSystem 20 | 21 | KWin::kwin 22 | ) 23 | -------------------------------------------------------------------------------- /src/main.cpp: -------------------------------------------------------------------------------- 1 | /* 2 | SPDX-FileCopyrightText: 2020 Vlad Zahorodnii 3 | 4 | SPDX-License-Identifier: GPL-3.0-or-later 5 | */ 6 | 7 | #include "slidingnotificationseffect.h" 8 | 9 | namespace KWin 10 | { 11 | 12 | KWIN_EFFECT_FACTORY_ENABLED(SlidingNotificationsEffect, 13 | "metadata.json", 14 | return false;) 15 | 16 | } // namespace KWin 17 | 18 | #include "main.moc" 19 | -------------------------------------------------------------------------------- /src/metadata.json: -------------------------------------------------------------------------------- 1 | { 2 | "KPlugin": { 3 | "Authors": [ 4 | { 5 | "Email": "vlad.zahorodnii@kde.org", 6 | "Name": "Vlad Zahorodnii" 7 | } 8 | ], 9 | "Category": "Appearance", 10 | "Description": "Sliding animation for notification windows", 11 | "EnabledByDefault": false, 12 | "Icon": "preferences-system-windows-effect-slidingnotifications", 13 | "License": "GPL", 14 | "Name": "Sliding Notifications" 15 | } 16 | } 17 | -------------------------------------------------------------------------------- /src/slidingnotificationsconfig.kcfg: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | 8 | 9 | 0 10 | 11 | 12 | 13 | -------------------------------------------------------------------------------- /src/slidingnotificationsconfig.kcfgc: -------------------------------------------------------------------------------- 1 | File=slidingnotificationsconfig.kcfg 2 | ClassName=SlidingNotificationsConfig 3 | Singleton=true 4 | Mutators=true 5 | -------------------------------------------------------------------------------- /src/slidingnotificationseffect.cpp: -------------------------------------------------------------------------------- 1 | /* 2 | SPDX-FileCopyrightText: 2020 Vlad Zahorodnii 3 | 4 | SPDX-License-Identifier: GPL-3.0-or-later 5 | */ 6 | 7 | #include "slidingnotificationseffect.h" 8 | #include "slidingnotificationsconfig.h" 9 | 10 | #include 11 | 12 | namespace KWin 13 | { 14 | 15 | SlidingNotificationsEffect::SlidingNotificationsEffect() 16 | : m_slideInCurve(QEasingCurve::OutCubic) 17 | , m_slideOutCurve(QEasingCurve::InCubic) 18 | { 19 | reconfigure(ReconfigureAll); 20 | 21 | connect(effects, &EffectsHandler::windowAdded, 22 | this, &SlidingNotificationsEffect::slotWindowAdded); 23 | connect(effects, &EffectsHandler::windowClosed, 24 | this, &SlidingNotificationsEffect::slotWindowClosed); 25 | } 26 | 27 | void SlidingNotificationsEffect::reconfigure(ReconfigureFlags) 28 | { 29 | SlidingNotificationsConfig::self()->read(); 30 | m_slideDuration = std::chrono::milliseconds(animationTime(std::chrono::milliseconds(200))); 31 | } 32 | 33 | bool SlidingNotificationsEffect::isActive() const 34 | { 35 | return !m_animations.isEmpty(); 36 | } 37 | 38 | void SlidingNotificationsEffect::prePaintWindow(EffectWindow *window, WindowPrePaintData &data, std::chrono::milliseconds presentTime) 39 | { 40 | auto it = m_animations.find(window); 41 | if (it != m_animations.end()) { 42 | data.setTransformed(); 43 | it->timeline.advance(presentTime); 44 | } 45 | 46 | effects->prePaintWindow(window, data, presentTime); 47 | } 48 | 49 | template 50 | T interpolated(T a, T b, qreal progress) 51 | { 52 | return a * (1 - progress) + b * progress; 53 | } 54 | 55 | void SlidingNotificationsEffect::paintWindow(const RenderTarget &renderTarget, const RenderViewport &viewport, EffectWindow *window, int mask, QRegion region, WindowPaintData &data) 56 | { 57 | auto it = m_animations.constFind(window); 58 | if (it != m_animations.constEnd()) { 59 | region = it->clip.translated(window->pos()).toAlignedRect(); 60 | 61 | const QPointF translation = interpolated(it->startOffset, it->endOffset, it->timeline.value()); 62 | data.translate(translation.x(), translation.y()); 63 | } 64 | 65 | effects->paintWindow(renderTarget, viewport, window, mask, region, data); 66 | } 67 | 68 | void SlidingNotificationsEffect::postPaintScreen() 69 | { 70 | for (auto it = m_animations.begin(); it != m_animations.end();) { 71 | EffectWindow *window = it.key(); 72 | effects->addRepaint(it->clip.translated(window->pos())); 73 | 74 | if (it->timeline.done()) { 75 | unforceBlurEffect(window); 76 | unforceContrastEffect(window); 77 | it = m_animations.erase(it); 78 | } else { 79 | ++it; 80 | } 81 | } 82 | 83 | effects->postPaintScreen(); 84 | } 85 | 86 | static std::optional slideEdgeForWindow(EffectWindow *window) 87 | { 88 | const QRectF screenRect = effects->clientArea(ScreenArea, window); 89 | const QRectF windowRect = window->frameGeometry(); 90 | 91 | if (std::abs(screenRect.left() - windowRect.left()) < windowRect.width() / 2) { 92 | return Qt::LeftEdge; 93 | } 94 | 95 | if (std::abs(screenRect.right() - windowRect.right()) < windowRect.width() / 2) { 96 | return Qt::RightEdge; 97 | } 98 | 99 | return std::nullopt; 100 | } 101 | 102 | void SlidingNotificationsEffect::slotWindowAdded(EffectWindow *window) 103 | { 104 | if (effects->activeFullScreenEffect() || effects->isScreenLocked()) { 105 | return; 106 | } 107 | if (!window->isNotification() && !window->isCriticalNotification()) { 108 | return; 109 | } 110 | 111 | const std::optional slideEdge = slideEdgeForWindow(window); 112 | if (!slideEdge.has_value()) { 113 | return; 114 | } 115 | 116 | window->setData(WindowAddedGrabRole, QVariant::fromValue(this)); 117 | 118 | forceBlurEffect(window); 119 | forceContrastEffect(window); 120 | 121 | SlideAnimation animation; 122 | animation.timeline.setEasingCurve(m_slideInCurve); 123 | animation.timeline.setDuration(m_slideDuration); 124 | animation.deletedRef = EffectWindowDeletedRef(window); 125 | 126 | const QRectF rect = window->expandedGeometry(); 127 | const QRectF workArea = effects->clientArea(MaximizeArea, window); 128 | 129 | animation.clip = rect; 130 | animation.clip.translate(-window->pos()); 131 | 132 | switch (slideEdge.value()) { 133 | case Qt::RightEdge: 134 | animation.clip.setWidth(workArea.x() + workArea.width() - rect.x()); 135 | animation.startOffset = QPointF(animation.clip.width(), 0); 136 | break; 137 | case Qt::LeftEdge: 138 | animation.clip.setWidth(rect.x() + rect.width() - workArea.x()); 139 | animation.startOffset = QPointF(-animation.clip.width(), 0); 140 | break; 141 | case Qt::TopEdge: 142 | animation.clip.setHeight(rect.y() + rect.height() - workArea.y()); 143 | animation.startOffset = QPointF(0, -animation.clip.height()); 144 | break; 145 | case Qt::BottomEdge: 146 | animation.clip.setHeight(workArea.y() + workArea.height() - rect.y()); 147 | animation.startOffset = QPointF(0, animation.clip.height()); 148 | break; 149 | } 150 | 151 | m_animations[window] = animation; 152 | window->addRepaintFull(); 153 | } 154 | 155 | void SlidingNotificationsEffect::slotWindowClosed(EffectWindow *window) 156 | { 157 | if (effects->activeFullScreenEffect() || effects->isScreenLocked()) { 158 | return; 159 | } 160 | if (!window->isNotification() && !window->isCriticalNotification()) { 161 | return; 162 | } 163 | 164 | const std::optional slideEdge = slideEdgeForWindow(window); 165 | if (!slideEdge.has_value()) { 166 | return; 167 | } 168 | 169 | window->setData(WindowClosedGrabRole, QVariant::fromValue(this)); 170 | 171 | forceBlurEffect(window); 172 | forceContrastEffect(window); 173 | 174 | SlideAnimation animation; 175 | animation.timeline.setEasingCurve(m_slideOutCurve); 176 | animation.timeline.setDuration(m_slideDuration); 177 | animation.deletedRef = EffectWindowDeletedRef(window); 178 | 179 | const QRectF rect = window->expandedGeometry(); 180 | const QRectF workArea = effects->clientArea(MaximizeArea, window); 181 | 182 | animation.clip = rect; 183 | animation.clip.translate(-window->pos()); 184 | 185 | switch (slideEdge.value()) { 186 | case Qt::RightEdge: 187 | animation.clip.setWidth(workArea.x() + workArea.width() - rect.x()); 188 | animation.endOffset = QPointF(animation.clip.width(), 0); 189 | break; 190 | case Qt::LeftEdge: 191 | animation.clip.setWidth(rect.x() + rect.width() - workArea.x()); 192 | animation.endOffset = QPointF(-animation.clip.width(), 0); 193 | break; 194 | case Qt::TopEdge: 195 | animation.clip.setHeight(rect.y() + rect.height() - workArea.y()); 196 | animation.endOffset = QPointF(0, -animation.clip.height()); 197 | break; 198 | case Qt::BottomEdge: 199 | animation.clip.setHeight(workArea.y() + workArea.height() - rect.y()); 200 | animation.endOffset = QPointF(0, animation.clip.height()); 201 | break; 202 | } 203 | 204 | m_animations[window] = animation; 205 | window->addRepaintFull(); 206 | } 207 | 208 | void SlidingNotificationsEffect::forceBlurEffect(EffectWindow *window) 209 | { 210 | window->setData(WindowForceBlurRole, QVariant(true)); 211 | } 212 | 213 | void SlidingNotificationsEffect::unforceBlurEffect(EffectWindow *window) 214 | { 215 | window->setData(WindowForceBlurRole, QVariant()); 216 | } 217 | 218 | void SlidingNotificationsEffect::forceContrastEffect(EffectWindow *window) 219 | { 220 | window->setData(WindowForceBackgroundContrastRole, QVariant(true)); 221 | } 222 | 223 | void SlidingNotificationsEffect::unforceContrastEffect(EffectWindow *window) 224 | { 225 | window->setData(WindowForceBackgroundContrastRole, QVariant()); 226 | } 227 | 228 | } // namespace KWin 229 | -------------------------------------------------------------------------------- /src/slidingnotificationseffect.h: -------------------------------------------------------------------------------- 1 | /* 2 | SPDX-FileCopyrightText: 2020 Vlad Zahorodnii 3 | 4 | SPDX-License-Identifier: GPL-3.0-or-later 5 | */ 6 | 7 | #pragma once 8 | 9 | #include 10 | #include 11 | #include 12 | 13 | namespace KWin 14 | { 15 | 16 | class SlideAnimation 17 | { 18 | public: 19 | TimeLine timeline; 20 | EffectWindowDeletedRef deletedRef; 21 | 22 | QRectF clip; 23 | QPointF startOffset; 24 | QPointF endOffset; 25 | }; 26 | 27 | class SlidingNotificationsEffect : public Effect 28 | { 29 | Q_OBJECT 30 | 31 | public: 32 | explicit SlidingNotificationsEffect(); 33 | 34 | void reconfigure(ReconfigureFlags flags) override; 35 | bool isActive() const override; 36 | 37 | void prePaintWindow(EffectWindow *window, WindowPrePaintData &data, std::chrono::milliseconds presentTime) override; 38 | void paintWindow(const RenderTarget &renderTarget, const RenderViewport &viewport, EffectWindow *window, int mask, QRegion region, WindowPaintData &data) override; 39 | void postPaintScreen() override; 40 | 41 | private Q_SLOTS: 42 | void slotWindowAdded(EffectWindow *window); 43 | void slotWindowClosed(EffectWindow *window); 44 | 45 | private: 46 | void forceBlurEffect(EffectWindow *window); 47 | void forceContrastEffect(EffectWindow *window); 48 | void unforceBlurEffect(EffectWindow *window); 49 | void unforceContrastEffect(EffectWindow *window); 50 | 51 | QEasingCurve m_slideInCurve; 52 | QEasingCurve m_slideOutCurve; 53 | QHash m_animations; 54 | std::chrono::milliseconds m_slideDuration; 55 | }; 56 | 57 | } // namespace KWin 58 | --------------------------------------------------------------------------------