├── po ├── LINGUAS ├── meson.build └── POTFILES ├── .gitignore ├── data ├── yalter.BxtLauncher.desktop.in ├── yalter.BxtLauncher.appdata.xml.in ├── yalter.BxtLauncher.gschema.xml └── meson.build ├── src ├── bxt_launcher.gresource.xml ├── meson.build ├── main.vala ├── process.vala ├── window.ui ├── system-monitor.vala └── window.vala ├── meson.build ├── README.md ├── vapi └── libgtop-2.0.vapi └── COPYING /po/LINGUAS: -------------------------------------------------------------------------------- 1 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | /build* 2 | /install* 3 | 4 | # Glade 5 | *.ui~ 6 | -------------------------------------------------------------------------------- /po/meson.build: -------------------------------------------------------------------------------- 1 | i18n.gettext('bxt-launcher', preset: 'glib') 2 | -------------------------------------------------------------------------------- /data/yalter.BxtLauncher.desktop.in: -------------------------------------------------------------------------------- 1 | [Desktop Entry] 2 | Name=Bunnymod XT Launcher 3 | Exec=bxt-launcher 4 | Terminal=false 5 | Type=Application 6 | Categories=GTK; 7 | StartupNotify=true 8 | -------------------------------------------------------------------------------- /po/POTFILES: -------------------------------------------------------------------------------- 1 | data/yalter.BxtLauncher.desktop.in 2 | data/yalter.BxtLauncher.appdata.xml.in 3 | data/yalter.BxtLauncher.gschema.xml 4 | src/window.ui 5 | src/main.vala 6 | src/window.vala 7 | 8 | -------------------------------------------------------------------------------- /src/bxt_launcher.gresource.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | window.ui 5 | 6 | 7 | -------------------------------------------------------------------------------- /data/yalter.BxtLauncher.appdata.xml.in: -------------------------------------------------------------------------------- 1 | 2 | 3 | yalter.BxtLauncher.desktop 4 | CC0-1.0 5 | GPL-3.0-or-later 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /meson.build: -------------------------------------------------------------------------------- 1 | project('bxt-launcher', ['c', 'vala'], 2 | version: '0.1.0', 3 | meson_version: '>= 0.50.0', 4 | default_options: [ 'warning_level=2', 5 | ], 6 | ) 7 | 8 | valac = meson.get_compiler('vala') 9 | 10 | vapi_dir = meson.current_source_dir() / 'vapi' 11 | add_project_arguments(['--vapidir', vapi_dir], language: 'vala') 12 | 13 | i18n = import('i18n') 14 | 15 | 16 | subdir('data') 17 | subdir('src') 18 | subdir('po') 19 | 20 | meson.add_install_script('build-aux/meson/postinstall.py') 21 | -------------------------------------------------------------------------------- /src/meson.build: -------------------------------------------------------------------------------- 1 | bxt_launcher_sources = [ 2 | 'main.vala', 3 | 'process.vala', 4 | 'system-monitor.vala', 5 | 'window.vala', 6 | ] 7 | 8 | bxt_launcher_deps = [ 9 | dependency('glib-2.0', version: '>= 2.48'), 10 | dependency('gobject-2.0', version: '>= 2.48'), 11 | dependency('gio-2.0', version: '>= 2.48'), 12 | dependency('gtk+-3.0', version: '>= 3.18'), 13 | dependency('libgtop-2.0', version: '>= 2.32'), 14 | valac.find_library('posix'), 15 | ] 16 | 17 | gnome = import('gnome') 18 | 19 | bxt_launcher_sources += gnome.compile_resources('bxt_launcher-resources', 20 | 'bxt_launcher.gresource.xml', 21 | c_name: 'bxt_launcher' 22 | ) 23 | 24 | executable('bxt-launcher', bxt_launcher_sources, 25 | dependencies: bxt_launcher_deps, 26 | install: true, 27 | ) 28 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | ![image](https://user-images.githubusercontent.com/1794388/84388243-e7f62d00-abfc-11ea-80bf-88281e1f7e71.png) 2 | 3 | # Bunnymod XT Launcher 4 | 5 | GUI launcher for [Bunnymod XT](https://github.com/YaLTeR/BunnymodXT) on Linux. 6 | 7 | ## Usage 8 | 9 | 1. Download the latest [release](https://github.com/YaLTeR/bxt-launcher/releases). 10 | 1. Extract all files from the archive. 11 | 1. Open bxt-launcher. 12 | 13 | ## Building 14 | 15 | You will need the Vala compiler and GTK libraries (GIO, GTK, libgtop). 16 | 17 | The launcher expects to find its GSettings schema and `libBunnymodXT.so` alongside its binary. 18 | Installing into a prefix without `DESTDIR` sets everything up: 19 | 20 | ```sh 21 | meson -Dprefix=$PWD/install build 22 | ninja -C build install 23 | # Copy libBunnymodXT.so into install/bin/ manually. 24 | # Then start the launcher: 25 | install/bin/bxt-launcher 26 | ``` 27 | -------------------------------------------------------------------------------- /src/main.vala: -------------------------------------------------------------------------------- 1 | /* main.vala 2 | * 3 | * Copyright 2020 Ivan Molodetskikh 4 | * 5 | * This program is free software: you can redistribute it and/or modify 6 | * it under the terms of the GNU General Public License as published by 7 | * the Free Software Foundation, either version 3 of the License, or 8 | * (at your option) any later version. 9 | * 10 | * This program is distributed in the hope that it will be useful, 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | * GNU General Public License for more details. 14 | * 15 | * You should have received a copy of the GNU General Public License 16 | * along with this program. If not, see . 17 | */ 18 | 19 | int main (string[] args) { 20 | var app = new Gtk.Application ("yalter.BxtLauncher", ApplicationFlags.FLAGS_NONE); 21 | app.activate.connect (() => { 22 | var win = app.active_window; 23 | if (win == null) { 24 | win = new BxtLauncher.Window (app); 25 | } 26 | win.present (); 27 | }); 28 | 29 | return app.run (args); 30 | } 31 | -------------------------------------------------------------------------------- /data/yalter.BxtLauncher.gschema.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | "" 7 |

Path to the Half-Life root folder

8 | 9 | Path to the folder with the hl_linux binary and the mod folders 10 | 11 | 12 | 13 | 14 | "" 15 |

LD_LIBRARY_PATH for launching Half-Life

16 | 17 | This is the value set by Steam when launching Half-Life normally. 18 | 19 | 20 | 21 | 22 | "" 23 |

LD_PRELOAD for launching Half-Life

24 | 25 | This is the value set by Steam when launching Half-Life normally. 26 | 27 | 28 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /data/meson.build: -------------------------------------------------------------------------------- 1 | desktop_file = i18n.merge_file( 2 | input: 'yalter.BxtLauncher.desktop.in', 3 | output: 'yalter.BxtLauncher.desktop', 4 | type: 'desktop', 5 | po_dir: '../po', 6 | install: true, 7 | install_dir: join_paths(get_option('datadir'), 'applications') 8 | ) 9 | 10 | desktop_utils = find_program('desktop-file-validate', required: false) 11 | if desktop_utils.found() 12 | test('Validate desktop file', desktop_utils, 13 | args: [desktop_file] 14 | ) 15 | endif 16 | 17 | appstream_file = i18n.merge_file( 18 | input: 'yalter.BxtLauncher.appdata.xml.in', 19 | output: 'yalter.BxtLauncher.appdata.xml', 20 | po_dir: '../po', 21 | install: true, 22 | install_dir: join_paths(get_option('datadir'), 'appdata') 23 | ) 24 | 25 | appstream_util = find_program('appstream-util', required: false) 26 | if appstream_util.found() 27 | test('Validate appstream file', appstream_util, 28 | args: ['validate', appstream_file] 29 | ) 30 | endif 31 | 32 | install_data('yalter.BxtLauncher.gschema.xml', 33 | install_dir: join_paths(get_option('datadir'), 'glib-2.0/schemas') 34 | ) 35 | 36 | compile_schemas = find_program('glib-compile-schemas', required: false) 37 | if compile_schemas.found() 38 | test('Validate schema file', compile_schemas, 39 | args: ['--strict', '--dry-run', meson.current_source_dir()] 40 | ) 41 | endif 42 | -------------------------------------------------------------------------------- /src/process.vala: -------------------------------------------------------------------------------- 1 | /* process.vala 2 | * 3 | * Copyright (C) 2020 Ivan Molodetskikh 4 | * Copyright (C) 2017 Red Hat, Inc. 5 | * 6 | * This program is free software: you can redistribute it and/or modify 7 | * it under the terms of the GNU General Public License as published by 8 | * the Free Software Foundation, either version 3 of the License, or 9 | * (at your option) any later version. 10 | * 11 | * This program is distributed in the hope that it will be useful, 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 | * GNU General Public License for more details. 15 | * 16 | * You should have received a copy of the GNU General Public License 17 | * along with this program. If not, see . 18 | * 19 | * Authors: Petr Štětka 20 | */ 21 | 22 | namespace BxtLauncher 23 | { 24 | public class Process : Object 25 | { 26 | public Pid pid { get; private set; } 27 | public string cmdline { get; private set; } 28 | public uint uid { get; private set; } 29 | public uint64 start_time { get; set; default = 0; } 30 | 31 | public Process(Pid pid) 32 | { 33 | this.pid = pid; 34 | this.cmdline = get_full_process_cmd (pid); 35 | this.uid = _get_uid (); 36 | this.start_time = _get_start_time (); 37 | } 38 | 39 | private uint _get_uid() 40 | { 41 | GTop.ProcUid procUid; 42 | GTop.get_proc_uid(out procUid, pid); 43 | return procUid.uid; 44 | } 45 | 46 | private uint64 _get_start_time() 47 | { 48 | GTop.ProcTime proc_time; 49 | GTop.get_proc_time (out proc_time, pid); 50 | return proc_time.start_time; 51 | } 52 | 53 | public HashTable get_env () throws Error 54 | { 55 | var file = File.new_for_path (@"/proc/$pid/environ"); 56 | var env = new HashTable (str_hash, str_equal); 57 | 58 | uint8[] data; 59 | string etag_out; 60 | file.load_contents (null, out data, out etag_out); 61 | 62 | var start = 0; 63 | for (int i = 0; i < data.length; i++) { 64 | if (data[i] == 0) { 65 | var v = (string) data[start:i]; 66 | var kv = v.split ("=", 2); 67 | env[kv[0]] = kv[1]; 68 | start = i + 1; 69 | } 70 | } 71 | 72 | return env; 73 | } 74 | 75 | /* static pid related methods */ 76 | public static string get_full_process_cmd (Pid pid) { 77 | GTop.ProcArgs proc_args; 78 | GTop.ProcState proc_state; 79 | string[] args = GTop.get_proc_argv (out proc_args, pid, 0); 80 | GTop.get_proc_state (out proc_state, pid); 81 | string cmd = (string) proc_state.cmd; 82 | 83 | /* cmd is most likely a truncated version, therefore 84 | * we check the first two arguments of the full argv 85 | * vector if they match cmd and if so, use that */ 86 | for (int i = 0; i < 2; i++) { 87 | if (args[i] == null) 88 | continue; 89 | 90 | /* TODO: this will fail if args[i] is a commandline, 91 | * i.e. composed of multiple segments and one of the 92 | * later ones is a unix path */ 93 | var name = Path.get_basename (args[i]); 94 | if (!name.has_prefix (cmd)) 95 | continue; 96 | 97 | name = Process.first_component (name); 98 | return Process.sanitize_name (name); 99 | } 100 | 101 | return Process.sanitize_name (cmd); 102 | } 103 | 104 | /* static utility methods */ 105 | public static string? sanitize_name (string name) { 106 | string? result = null; 107 | 108 | if (name == null) 109 | return null; 110 | 111 | try { 112 | var rgx = new Regex ("[^a-zA-Z0-9._-]"); 113 | result = rgx.replace (name, name.length, 0, ""); 114 | } catch (RegexError e) { 115 | warning ("Unable to sanitize name: %s", e.message); 116 | } 117 | 118 | return result; 119 | } 120 | 121 | public static string first_component (string str) { 122 | 123 | for (int i = 0; i < str.length; i++) { 124 | if (str[i] == ' ') { 125 | return str.substring(0, i); 126 | } 127 | } 128 | 129 | return str; 130 | } 131 | } 132 | } 133 | -------------------------------------------------------------------------------- /src/window.ui: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 119 | 120 | -------------------------------------------------------------------------------- /src/system-monitor.vala: -------------------------------------------------------------------------------- 1 | /* system-monitor.vala 2 | * 3 | * Copyright (C) 2020 Ivan Molodetskikh 4 | * Copyright (C) 2017 Red Hat, Inc. 5 | * 6 | * This program is free software: you can redistribute it and/or modify 7 | * it under the terms of the GNU General Public License as published by 8 | * the Free Software Foundation, either version 3 of the License, or 9 | * (at your option) any later version. 10 | * 11 | * This program is distributed in the hope that it will be useful, 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 | * GNU General Public License for more details. 15 | * 16 | * You should have received a copy of the GNU General Public License 17 | * along with this program. If not, see . 18 | * 19 | * Authors: Petr Štětka 20 | */ 21 | 22 | namespace BxtLauncher 23 | { 24 | public class SystemMonitor : Object 25 | { 26 | const int UPDATE_INTERVAL = 1000; 27 | 28 | private HashTable process_table; 29 | private int process_mode = GTop.KERN_PROC_ALL; 30 | private static SystemMonitor system_monitor; 31 | 32 | public signal void on_process_added (Process process); 33 | public signal void on_process_removed (Process process); 34 | 35 | public static SystemMonitor get_default() 36 | { 37 | if (system_monitor == null) 38 | system_monitor = new SystemMonitor (); 39 | 40 | return system_monitor; 41 | } 42 | 43 | private SystemMonitor() 44 | { 45 | GTop.init(); 46 | 47 | process_table = new HashTable(direct_hash, direct_equal); 48 | 49 | update_data(); 50 | Timeout.add(UPDATE_INTERVAL, update_data); 51 | } 52 | 53 | public Process? find_process (string cmdline) { 54 | return process_table.find ((pid, process) => { 55 | return process.cmdline == cmdline; 56 | }); 57 | } 58 | 59 | private bool update_data() 60 | { 61 | /* Try to find the difference between the old list of pids, 62 | * and the new ones, i.e. the one that got added and removed */ 63 | GTop.Proclist proclist; 64 | var pids = GTop.get_proclist (out proclist, process_mode); 65 | var old = (ssize_t[]) process_table.get_keys_as_array (); 66 | 67 | size_t new_len = (size_t) proclist.number; 68 | size_t old_len = process_table.length; 69 | 70 | sort_pids (pids, sizeof (GLib.Pid), new_len); 71 | sort_pids (old, sizeof (ssize_t), old_len); 72 | 73 | debug ("new_len: %lu, old_len: %lu\n", new_len, old_len); 74 | uint removed = 0; 75 | uint added = 0; 76 | for (size_t i = 0, j = 0; i < new_len || j < old_len; ) { 77 | uint32 n = i < new_len ? pids[i] : uint32.MAX; 78 | uint32 o = j < old_len ? (uint32) old[j] : uint32.MAX; 79 | 80 | /* pids: [ 1, 3, 4 ] 81 | * old: [ 1, 2, 4, 5 ] → 2,5 removed, 3 added 82 | * i [for pids]: 0 | 1 | 1 | 2 | 3 83 | * j [for old]: 0 | 1 | 2 | 2 | 3 84 | * n = pids[i]: 1 | 3 | 3 | 4 | MAX [oob] 85 | * o = old[j]: 1 | 2 | 4 | 4 | 5 86 | * = | n > o | n < o | = | n > o 87 | * increment: i,j | j | i | i,j | j 88 | * Process op: chk | del | add | chk | del 89 | */ 90 | 91 | if (n > o) { 92 | /* delete to process not in the new array */ 93 | Process p = process_table[(GLib.Pid) o]; 94 | debug ("process removed: %u\n", o); 95 | 96 | process_removed (p); 97 | removed++; 98 | 99 | j++; /* let o := old[j] catch up */ 100 | } else if (n < o) { 101 | /* new process */ 102 | var p = new Process ((GLib.Pid) n); 103 | 104 | debug ("process added: %u\n", n); 105 | 106 | process_added (p); 107 | added++; 108 | 109 | i++; /* let n := pids[i] catch up */ 110 | } else { 111 | /* equal pids, might have rolled over though 112 | * better check, match start time */ 113 | Process p = process_table[(GLib.Pid) n]; 114 | 115 | GTop.ProcTime ptime; 116 | GTop.get_proc_time (out ptime, p.pid); 117 | 118 | /* no match: -> old removed, new added */ 119 | if (ptime.start_time != p.start_time) { 120 | debug ("start time mismtach: %u\n", n); 121 | process_removed (p); 122 | 123 | p = new Process ((GLib.Pid) n); 124 | process_added (p); 125 | } 126 | 127 | i++; j++; /* both indices move */ 128 | } 129 | } 130 | 131 | debug ("removed: %u, added: %u\n", removed, added); 132 | debug ("process table size: %u\n", process_table.length); 133 | 134 | return true; 135 | } 136 | 137 | private void process_added (Process p) { 138 | process_table.insert (p.pid, p); 139 | on_process_added (p); 140 | } 141 | 142 | private void process_removed (Process p) { 143 | process_table.remove (p.pid); 144 | on_process_removed (p); 145 | } 146 | 147 | public static void sort_pids (void *pids, size_t elm, size_t length) 148 | { 149 | Posix.qsort (pids, length, elm, (a, b) => { 150 | return (*(GLib.Pid *) a) - (* (GLib.Pid *) b); 151 | }); 152 | } 153 | } 154 | } 155 | -------------------------------------------------------------------------------- /vapi/libgtop-2.0.vapi: -------------------------------------------------------------------------------- 1 | [CCode(cheader_filename = "glibtop.h", lower_case_cprefix = "glibtop_")] 2 | namespace GTop { 3 | 4 | public void init(); 5 | 6 | [CCode(cname = "glibtop_cpu", cheader_filename = "glibtop/cpu.h")] 7 | public struct Cpu { 8 | uint64 flags; 9 | uint64 total; 10 | uint64 user; 11 | uint64 nice; 12 | uint64 sys; 13 | uint64 idle; 14 | uint64 iowait; 15 | uint64 irq; 16 | uint64 softirq; 17 | uint64 frequency; 18 | uint64 xcpu_total[1024]; 19 | uint64 xcpu_user[1024]; 20 | uint64 xcpu_nice[1024]; 21 | uint64 xcpu_sys[1024]; 22 | uint64 xcpu_idle[1024]; 23 | uint64 xcpu_iowait[1024]; 24 | uint64 xcpu_irq[1024]; 25 | uint64 xcpu_softirq[1024]; 26 | uint64 xcpu_flags; 27 | } 28 | public void get_cpu(out Cpu cpu); 29 | 30 | [CCode(cname = "GLIBTOP_KERN_PROC_ALL")] 31 | public const int KERN_PROC_ALL; 32 | [CCode(cname = "GLIBTOP_KERN_PROC_PID")] 33 | public const int KERN_PROC_PID; 34 | [CCode(cname = "GLIBTOP_KERN_PROC_PGRP")] 35 | public const int KERN_PROC_PRGP; 36 | [CCode(cname = "GLIBTOP_KERN_PROC_SESSION")] 37 | public const int KERN_PROC_SESSION; 38 | [CCode(cname = "GLIBTOP_KERN_PROC_TTY")] 39 | public const int KERN_PROC_TTY; 40 | [CCode(cname = "GLIBTOP_KERN_PROC_UID")] 41 | public const int KERN_PROC_UID; 42 | [CCode(cname = "GLIBTOP_KERN_PROC_RUID")] 43 | public const int KERN_PROC_RUID; 44 | [CCode(cname = "GLIBTOP_KERN_PROC_MASK")] 45 | public const int KERN_PROC_MASK; 46 | [CCode(cname = "GLIBTOP_EXCLUDE_IDLE")] 47 | public const int EXCLUDE_IDLE; 48 | [CCode(cname = "GLIBTOP_EXCLUDE_SYSTEM")] 49 | public const int EXCLUDE_SYSTEM; 50 | 51 | [CCode(cname = "glibtop_proclist", cheader_filename = "glibtop/proclist.h")] 52 | public struct Proclist { 53 | uint64 flags; 54 | uint64 number; 55 | uint64 total; 56 | uint64 size; 57 | } 58 | [CCode(array_length = false, array_null_terminated = false)] 59 | public GLib.Pid[] get_proclist(out Proclist proclist, uint64 which, uint64? arg = null); 60 | 61 | [CCode(cname = "glibtop_proc_state", cheader_filename = "glibtop/procstate.h")] 62 | public struct ProcState { 63 | uint64 flags; 64 | char cmd[40]; 65 | uint state; 66 | int uid; 67 | int gid; 68 | int ruid; 69 | int rgid; 70 | int has_cpu; 71 | int processor; 72 | int last_processor; 73 | } 74 | public void get_proc_state(out ProcState proc_state, GLib.Pid pid); 75 | 76 | [CCode(cname = "GLIBTOP_PROCESS_RUNNING")] 77 | public const int PROCESS_RUNNING; 78 | [CCode(cname = "GLIBTOP_PROCESS_INTERRUPTIBLE")] 79 | public const int PROCESS_INTERRUPTIBLE; 80 | [CCode(cname = "GLIBTOP_PROCESS_UNINTERRUPTIBLE")] 81 | public const int PROCESS_UNINTERRUPTIBLE; 82 | [CCode(cname = "GLIBTOP_PROCESS_ZOMBIE")] 83 | public const int PROCESS_ZOMBIE; 84 | [CCode(cname = "GLIBTOP_PROCESS_STOPPED")] 85 | public const int PROCESS_STOPPED; 86 | [CCode(cname = "GLIBTOP_PROCESS_SWAPPING")] 87 | public const int PROCESS_SWAPPING; 88 | [CCode(cname = "GLIBTOP_PROCESS_DEAD")] 89 | public const int PROCESS_DEAD; 90 | 91 | [CCode(cname = "glibtop_proc_time", cheader_filename = "glibtop/proctime.h")] 92 | public struct ProcTime { 93 | uint64 flags; 94 | uint64 start_time; 95 | uint64 rtime; 96 | uint64 utime; 97 | uint64 stime; 98 | uint64 cutime; 99 | uint64 cstime; 100 | uint64 timeout; 101 | uint64 it_real_value; 102 | uint64 frequency; 103 | uint64 xcpu_utime[1024]; 104 | uint64 xcpu_stime[1024]; 105 | } 106 | public void get_proc_time(out ProcTime proc_time, GLib.Pid pid); 107 | 108 | [CCode(cname = "glibtop_mem", cheader_filename = "glibtop/mem.h")] 109 | public struct Mem { 110 | uint64 flags; 111 | uint64 total; 112 | uint64 used; 113 | uint64 free; 114 | uint64 shared; 115 | uint64 buffer; 116 | uint64 cached; 117 | uint64 user; 118 | uint64 locked; 119 | } 120 | public void get_mem(out Mem mem); 121 | 122 | [CCode(cname = "glibtop_swap", cheader_filename = "glibtop/swap.h")] 123 | public struct Swap { 124 | uint64 flags; 125 | uint64 total; 126 | uint64 used; 127 | uint64 free; 128 | uint64 pagein; 129 | uint64 pageout; 130 | } 131 | public void get_swap(out Swap swap); 132 | 133 | [CCode(cname = "glibtop_proc_mem", cheader_filename = "glibtop/procmem.h")] 134 | public struct ProcMem { 135 | uint64 flags; 136 | uint64 size; 137 | uint64 vsize; 138 | uint64 resident; 139 | uint64 share; 140 | uint64 rss; 141 | uint64 rss_rlim; 142 | } 143 | public void get_proc_mem(out ProcMem proc_mem, GLib.Pid pid); 144 | 145 | [CCode(cname = "glibtop_netlist", cheader_filename = "glibtop/netlist.h")] 146 | public struct Netlist { 147 | uint64 flags; 148 | uint32 number; 149 | } 150 | 151 | [CCode(array_null_terminated = "true")] 152 | public string[] get_netlist(out Netlist netlist); 153 | 154 | [CCode(cname = "glibtop_proc_uid", cheader_filename = "glibtop/procuid.h")] 155 | public struct ProcUid { 156 | uint64 flags; 157 | int32 uid; 158 | int32 euid; 159 | int32 gid; 160 | int32 egid; 161 | int32 suid; 162 | int32 sgid; 163 | int32 fsuid; 164 | int32 fsgid; 165 | int32 pid; 166 | int32 ppid; 167 | int32 pgrp; 168 | int32 session; 169 | int32 tty; 170 | int32 tpgid; 171 | int32 priority; 172 | int32 nice; 173 | int32 ngroups; 174 | int32 groups[64]; 175 | } 176 | public void get_proc_uid(out ProcUid proc_uid, GLib.Pid pid); 177 | 178 | [CCode(cname = "glibtop_proc_args", cheader_filename = "glibtop/procargs.h")] 179 | public struct ProcArgs { 180 | uint64 flags; 181 | uint64 size; 182 | } 183 | [CCode (array_length = false, array_null_terminated = true)] 184 | public string[] get_proc_argv(out ProcArgs proc_args, GLib.Pid pid, uint length); 185 | 186 | [CCode(cname = "glibtop_fsusage", cheader_filename = "glibtop/fsusage.h")] 187 | public struct FsUsage { 188 | uint64 flags; 189 | uint64 blocks; 190 | uint64 bfree; 191 | uint64 bavail; 192 | uint64 files; 193 | uint64 ffree; 194 | uint32 block_size; 195 | uint64 read; 196 | uint64 write; 197 | } 198 | public void get_fsusage(out FsUsage fs_usage, string mount_dir); 199 | 200 | [CCode(cname = "glibtop_mountentry", cheader_filename = "glibtop/mountlist.h", destroy_function="g_free")] 201 | public struct MountEntry 202 | { 203 | uint64 dev; 204 | char devname[80]; 205 | char mountdir[80]; 206 | char type[80]; 207 | } 208 | 209 | [CCode(cname = "glibtop_mountlist", cheader_filename = "glibtop/mountlist.h")] 210 | public struct MountList 211 | { 212 | uint64 flags; 213 | uint64 number; 214 | uint64 total; 215 | uint64 size; 216 | } 217 | [CCode(array_length = false)] 218 | public MountEntry[] get_mountlist(out MountList mount_list, bool all_fs); 219 | } 220 | -------------------------------------------------------------------------------- /src/window.vala: -------------------------------------------------------------------------------- 1 | /* window.vala 2 | * 3 | * Copyright 2020 Ivan Molodetskikh 4 | * 5 | * This program is free software: you can redistribute it and/or modify 6 | * it under the terms of the GNU General Public License as published by 7 | * the Free Software Foundation, either version 3 of the License, or 8 | * (at your option) any later version. 9 | * 10 | * This program is distributed in the hope that it will be useful, 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | * GNU General Public License for more details. 14 | * 15 | * You should have received a copy of the GNU General Public License 16 | * along with this program. If not, see . 17 | */ 18 | namespace BxtLauncher { 19 | [GtkTemplate (ui = "/yalter/BxtLauncher/window.ui")] 20 | public class Window : Gtk.ApplicationWindow { 21 | private Settings settings; 22 | 23 | private string? bxt_path { get; set; } 24 | 25 | private Gtk.MessageDialog? dialog { get; set; } 26 | 27 | [GtkChild] 28 | private unowned Gtk.ComboBoxText mod_combo_box; 29 | 30 | public Window (Gtk.Application app) { 31 | Object (application: app); 32 | 33 | settings = null; 34 | bxt_path = null; 35 | dialog = null; 36 | 37 | string path; 38 | try { 39 | path = FileUtils.read_link ("/proc/self/exe"); 40 | } catch (FileError e) { 41 | fatal_error (@"Could not get the launcher executable path.\n\n$(e.message)"); 42 | return; 43 | } 44 | 45 | path = Path.get_dirname (path); 46 | bxt_path = Path.build_filename (path, "libBunnymodXT.so"); 47 | 48 | try { 49 | var source = new SettingsSchemaSource.from_directory (path, null, false); 50 | var schema = source.lookup ("yalter.BxtLauncher", false); 51 | settings = new Settings.full (schema, null, null); 52 | } catch (Error e) { 53 | fatal_error (@"Could not open the settings schema. Make sure the gschemas.compiled file is in the same folder as the launcher.\n\n$(e.message)"); 54 | return; 55 | } 56 | 57 | detect_mod_folders.begin (); 58 | } 59 | 60 | private async void detect_mod_folders () { 61 | var hl_pwd = settings.get_string ("hl-pwd"); 62 | if (hl_pwd == "") { 63 | return; 64 | } 65 | 66 | var hl_dir = File.new_for_path (hl_pwd); 67 | 68 | var mod_folders = new HashTable (str_hash, str_equal); 69 | 70 | try { 71 | var enumerator = yield hl_dir.enumerate_children_async ( 72 | "standard::type,standard::name,standard::display-name", 73 | FileQueryInfoFlags.NONE 74 | ); 75 | 76 | while (true) { 77 | var files = yield enumerator.next_files_async (100); 78 | if (files.length () == 0) { 79 | break; 80 | } 81 | 82 | foreach (var file in files) { 83 | if (file.get_file_type () != FileType.DIRECTORY) { 84 | continue; 85 | } 86 | 87 | string? name; 88 | if (yield is_mod_folder (hl_dir.get_child (file.get_name ()), out name)) { 89 | mod_folders[file.get_name ()] = 90 | (name != null) ? name : file.get_display_name (); 91 | } 92 | } 93 | } 94 | } catch (Error _) { 95 | // Proceed on any errors, the code below handles this case. 96 | } 97 | 98 | mod_combo_box.remove_all (); 99 | if (mod_folders.size () == 0) { 100 | mod_combo_box.append ("valve", "Half-Life"); 101 | mod_combo_box.append ("gearbox", "Opposing Force"); 102 | mod_combo_box.append ("bshift", "Blue Shift"); 103 | mod_combo_box.append ("cstrike", "Counter-Strike"); 104 | mod_combo_box.append ("czero", "Counter-Strike: Condition Zero"); 105 | mod_combo_box.append ("czeror", "Counter-Strike: Condition Zero Deleted Scenes"); 106 | mod_combo_box.append ("tfc", "Team Fortress Classic"); 107 | mod_combo_box.append ("dod", "Day of Defeat"); 108 | mod_combo_box.append ("dmc", "Deathmatch Classic"); 109 | mod_combo_box.append ("ricochet", "Ricochet"); 110 | mod_combo_box.append ("ag", "OpenAG"); 111 | mod_combo_box.set_active_id ("valve"); 112 | } else { 113 | string? first = null; 114 | mod_folders.foreach((id, name) => { 115 | if (first == null) { 116 | first = id; 117 | } 118 | 119 | if (id == "valve") { 120 | mod_combo_box.prepend (id, name); 121 | first = id; 122 | } else { 123 | mod_combo_box.append (id, name); 124 | } 125 | }); 126 | 127 | mod_combo_box.set_active_id (first); 128 | } 129 | } 130 | 131 | private async bool is_mod_folder (File folder, out string? name) { 132 | name = null; 133 | var liblist = folder.get_child ("liblist.gam"); 134 | 135 | FileInputStream fis; 136 | try { 137 | fis = yield liblist.read_async (); 138 | } catch (Error _) { 139 | // For example, if liblist.gam does not exist. 140 | return false; 141 | } 142 | 143 | try { 144 | var dis = new DataInputStream (fis); 145 | 146 | string? line; 147 | while ((line = yield dis.read_line_utf8_async (Priority.DEFAULT, null, null)) != null) { 148 | if (line.length < 4 || line[0:4].ascii_casecmp ("game") != 0) { 149 | continue; 150 | } 151 | 152 | var first_quote = line.index_of_char ('"'); 153 | if (first_quote == -1) { 154 | break; 155 | } 156 | 157 | var second_quote = line.index_of_char ('"', first_quote + 1); 158 | if (second_quote == -1) { 159 | break; 160 | } 161 | 162 | name = line[first_quote + 1:second_quote]; 163 | break; 164 | } 165 | } catch (Error _) { 166 | // If we couldn't get the display name just return true, it'll use the folder name. 167 | } 168 | 169 | return true; 170 | } 171 | 172 | [GtkCallback] 173 | private void launch_button_clicked_cb (Gtk.Button button) { 174 | var hl_pwd = settings.get_string ("hl-pwd"); 175 | 176 | if (hl_pwd == "") { 177 | get_hl_environment (); 178 | } else { 179 | launch_hl (hl_pwd); 180 | } 181 | } 182 | 183 | private void close_dialog () { 184 | if (dialog == null) 185 | return; 186 | 187 | dialog.destroy (); 188 | dialog = null; 189 | } 190 | 191 | private void fatal_error (string message) { 192 | var dialog = new Gtk.MessageDialog ( 193 | this, 194 | Gtk.DialogFlags.DESTROY_WITH_PARENT, 195 | Gtk.MessageType.ERROR, 196 | Gtk.ButtonsType.OK, 197 | "Fatal Error" 198 | ); 199 | dialog.secondary_text = message; 200 | dialog.run (); 201 | application.quit (); 202 | } 203 | 204 | private void show_error_dialog (string message, string secondary) { 205 | var dialog = new Gtk.MessageDialog ( 206 | this, 207 | Gtk.DialogFlags.MODAL | Gtk.DialogFlags.DESTROY_WITH_PARENT, 208 | Gtk.MessageType.ERROR, 209 | Gtk.ButtonsType.OK, 210 | message 211 | ); 212 | dialog.secondary_text = secondary; 213 | dialog.response.connect ((dialog, response) => dialog.destroy ()); 214 | dialog.show (); 215 | } 216 | 217 | private void get_hl_environment () { 218 | var monitor = SystemMonitor.get_default (); 219 | 220 | // Check if Half-Life is already running. 221 | var hl = monitor.find_process ("hl_linux"); 222 | if (hl != null) { 223 | var dialog = new Gtk.MessageDialog ( 224 | this, 225 | Gtk.DialogFlags.DESTROY_WITH_PARENT, 226 | Gtk.MessageType.INFO, 227 | Gtk.ButtonsType.OK_CANCEL, 228 | "Half-Life is Already Running" 229 | ); 230 | dialog.secondary_text = "Half-Life will be closed and started again."; 231 | var response = dialog.run (); 232 | dialog.destroy (); 233 | 234 | if (response == Gtk.ResponseType.OK) { 235 | extract_environment_and_launch_hl (hl); 236 | } 237 | 238 | return; 239 | } 240 | 241 | monitor.on_process_added.connect (process_added_cb); 242 | 243 | try { 244 | string[] spawn_args = {"steam", "steam://rungameid/70"}; 245 | 246 | GLib.Process.spawn_async ( 247 | null, 248 | spawn_args, 249 | null, 250 | SpawnFlags.SEARCH_PATH, 251 | null, 252 | null 253 | ); 254 | } catch (SpawnError e) { 255 | show_error_dialog ( 256 | "Failed to Run Half-Life", 257 | @"Make sure that Steam is installed.\n\n$(e.message)" 258 | ); 259 | return; 260 | } 261 | 262 | // Spawn a dialog to let the user know what's happening. 263 | dialog = new Gtk.MessageDialog ( 264 | this, 265 | Gtk.DialogFlags.MODAL | Gtk.DialogFlags.DESTROY_WITH_PARENT, 266 | Gtk.MessageType.INFO, 267 | Gtk.ButtonsType.CANCEL, 268 | "Configuring Launch Parameters" 269 | ); 270 | dialog.secondary_text = "Half-Life will open and then close."; 271 | dialog.response.connect (close_dialog); 272 | dialog.show (); 273 | } 274 | 275 | private void process_added_cb (SystemMonitor monitor, Process process) { 276 | if (process.cmdline == "hl_linux") { 277 | monitor.on_process_added.disconnect (process_added_cb); 278 | 279 | extract_environment_and_launch_hl (process); 280 | } 281 | } 282 | 283 | private void extract_environment_and_launch_hl (Process process) 284 | requires (process.cmdline == "hl_linux") 285 | { 286 | string hl_pwd = ""; 287 | 288 | try { 289 | var env = process.get_env (); 290 | 291 | if (!env.contains ("PWD")) { 292 | close_dialog (); 293 | 294 | show_error_dialog ( 295 | "Failed to Configure Launch Parameters", 296 | "Half-Life environment doesn't contain PWD." 297 | ); 298 | } else { 299 | hl_pwd = env["PWD"]; 300 | settings.set_string ("hl-pwd", hl_pwd); 301 | settings.set_string ("hl-ld-library-path", env["LD_LIBRARY_PATH"]); 302 | settings.set_string ("hl-ld-preload", env["LD_PRELOAD"]); 303 | 304 | var monitor = SystemMonitor.get_default (); 305 | monitor.on_process_removed.connect (process_removed_cb); 306 | } 307 | } catch (Error e) { 308 | close_dialog (); 309 | 310 | show_error_dialog ( 311 | "Failed to Configure Launch Parameters", 312 | @"Could not read the Half-Life environment.\n\n$(e.message)" 313 | ); 314 | } 315 | 316 | // Close this Half-Life instance. 317 | #if VALA_0_40 318 | var sigterm = Posix.Signal.TERM; 319 | #else 320 | var sigterm = Posix.SIGTERM; 321 | #endif 322 | Posix.kill (process.pid, sigterm); 323 | } 324 | 325 | private void process_removed_cb (SystemMonitor monitor, Process process) { 326 | if (process.cmdline == "hl_linux") { 327 | monitor.on_process_removed.disconnect (process_removed_cb); 328 | 329 | close_dialog (); 330 | 331 | var hl_pwd = settings.get_string ("hl-pwd"); 332 | if (hl_pwd != "") { 333 | launch_hl (hl_pwd); 334 | 335 | // Update mod folders afterwards because it resets the selected mod. 336 | detect_mod_folders.begin (); 337 | } 338 | } 339 | } 340 | 341 | private void launch_hl (string hl_pwd) 342 | requires (bxt_path != null) 343 | requires (hl_pwd != "") 344 | { 345 | // Check that libBunnymodXT.so is present. 346 | var bxt = File.new_for_path (bxt_path); 347 | if (!bxt.query_exists ()) { 348 | show_error_dialog ( 349 | "Bunnymod XT is Missing", 350 | @"Make sure that libBunnymodXT.so is in the same folder as the launcher: $(Path.get_dirname (bxt_path))" 351 | ); 352 | return; 353 | } 354 | 355 | string[] spawn_args = {"./hl_linux", "-steam", "-game", mod_combo_box.get_active_id ()}; 356 | string[] spawn_env = Environ.get (); 357 | 358 | var hl_ld_library_path = settings.get_string ("hl-ld-library-path"); 359 | 360 | // Add BXT in the end: gameoverlayrenderer really doesn't like being after BXT. 361 | var ld_preload = ""; 362 | // TODO: gameoverlayrenderer seems to override dlsym(), which prevents BXT from doing 363 | // the same, which results in some mod client libraries not being hooked (notably, the 364 | // Opposing Force one). So, don't use the Steam LD_PRELOAD until this is resolved in 365 | // BXT. 366 | // 367 | // var hl_ld_preload = settings.get_string ("hl-ld-preload"); 368 | // if (hl_ld_preload != "") { 369 | // ld_preload += @"$hl_ld_preload:"; 370 | // } 371 | ld_preload += bxt_path; 372 | 373 | bool found_pwd = false, found_ld_library_path = false, found_ld_preload = false, found_steam_env = false; 374 | for (int i = 0; i < spawn_env.length; i++) { 375 | var v = spawn_env[i]; 376 | 377 | if (v.has_prefix ("PWD=")) { 378 | found_pwd = true; 379 | spawn_env[i] = @"PWD=$hl_pwd"; 380 | } 381 | 382 | if (v.has_prefix ("LD_LIBRARY_PATH=")) { 383 | found_ld_library_path = true; 384 | if (hl_ld_library_path != "") { 385 | spawn_env[i] = @"LD_LIBRARY_PATH=$hl_ld_library_path"; 386 | } 387 | } 388 | 389 | if (v.has_prefix ("LD_PRELOAD=")) { 390 | found_ld_preload = true; 391 | spawn_env[i] = @"LD_PRELOAD=$ld_preload"; 392 | } 393 | 394 | if (v.has_prefix ("SteamEnv=")) { 395 | found_steam_env = true; 396 | } 397 | } 398 | 399 | if (!found_pwd) { 400 | spawn_env += @"PWD=$hl_pwd"; 401 | } 402 | if (!found_ld_library_path && hl_ld_library_path != "") { 403 | spawn_env += @"LD_LIBRARY_PATH=$hl_ld_library_path"; 404 | } 405 | if (!found_ld_preload) { 406 | spawn_env += @"LD_PRELOAD=$ld_preload"; 407 | } 408 | if (!found_steam_env) { 409 | spawn_env += @"SteamEnv=1"; 410 | } 411 | 412 | debug (@"Spawning:\n\tworking_directory = $hl_pwd\n\targv = $(string.joinv(", ", spawn_args))\n\tenvp =\n\t\t$(string.joinv("\n\t\t", spawn_env))\n"); 413 | 414 | try { 415 | GLib.Process.spawn_async ( 416 | hl_pwd, 417 | spawn_args, 418 | spawn_env, 419 | 0, 420 | null, 421 | null 422 | ); 423 | } catch (SpawnError e) { 424 | show_error_dialog ( 425 | "Failed to Run Half-Life", 426 | @"Please try again. The launch parameters will be re-configured.\n\n$(e.message)" 427 | ); 428 | 429 | // Resetting hl-pwd triggers the re-configure. 430 | settings.set_string ("hl-pwd", ""); 431 | 432 | return; 433 | } 434 | } 435 | } 436 | } 437 | -------------------------------------------------------------------------------- /COPYING: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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No Surrender of Others' Freedom. 541 | 542 | If conditions are imposed on you (whether by court order, agreement or 543 | otherwise) that contradict the conditions of this License, they do not 544 | excuse you from the conditions of this License. If you cannot convey a 545 | covered work so as to satisfy simultaneously your obligations under this 546 | License and any other pertinent obligations, then as a consequence you may 547 | not convey it at all. For example, if you agree to terms that obligate you 548 | to collect a royalty for further conveying from those to whom you convey 549 | the Program, the only way you could satisfy both those terms and this 550 | License would be to refrain entirely from conveying the Program. 551 | 552 | 13. Use with the GNU Affero General Public License. 553 | 554 | Notwithstanding any other provision of this License, you have 555 | permission to link or combine any covered work with a work licensed 556 | under version 3 of the GNU Affero General Public License into a single 557 | combined work, and to convey the resulting work. The terms of this 558 | License will continue to apply to the part which is the covered work, 559 | but the special requirements of the GNU Affero General Public License, 560 | section 13, concerning interaction through a network will apply to the 561 | combination as such. 562 | 563 | 14. Revised Versions of this License. 564 | 565 | The Free Software Foundation may publish revised and/or new versions of 566 | the GNU General Public License from time to time. Such new versions will 567 | be similar in spirit to the present version, but may differ in detail to 568 | address new problems or concerns. 569 | 570 | Each version is given a distinguishing version number. If the 571 | Program specifies that a certain numbered version of the GNU General 572 | Public License "or any later version" applies to it, you have the 573 | option of following the terms and conditions either of that numbered 574 | version or of any later version published by the Free Software 575 | Foundation. If the Program does not specify a version number of the 576 | GNU General Public License, you may choose any version ever published 577 | by the Free Software Foundation. 578 | 579 | If the Program specifies that a proxy can decide which future 580 | versions of the GNU General Public License can be used, that proxy's 581 | public statement of acceptance of a version permanently authorizes you 582 | to choose that version for the Program. 583 | 584 | Later license versions may give you additional or different 585 | permissions. However, no additional obligations are imposed on any 586 | author or copyright holder as a result of your choosing to follow a 587 | later version. 588 | 589 | 15. Disclaimer of Warranty. 590 | 591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 592 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 599 | 600 | 16. Limitation of Liability. 601 | 602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 610 | SUCH DAMAGES. 611 | 612 | 17. Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | 676 | --------------------------------------------------------------------------------