AlternateTab: new extension
A new extension, originally developed by Thomas Bouffon, allows to use classic AltTab (window based instead of app based) in GNOME Shell. Tested with 2.91.5
This commit is contained in:
Giovanni Campagna
@@ -19,7 +19,7 @@ PKG_PROG_PKG_CONFIG([0.22])
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ADDITIONAL_PACKAGES=
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dnl keep this in sync with extensions/Makefile.am
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ALL_EXTENSIONS=example
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ALL_EXTENSIONS="example alternate-tab"
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AC_ARG_ENABLE([extensions],
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[AS_HELP_STRING([--enable-extensions],[Space separated list of extensions to enable. Default is that all extensions are built.])],
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[],
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@@ -28,8 +28,8 @@ AC_ARG_ENABLE([extensions],
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ENABLED_EXTENSIONS=
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for e in $enable_extensions; do
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case $e in
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*example*)
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ENABLED_EXTENSIONS="$ENABLED_EXTENSIONS example"
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alternate-tab|example)
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ENABLED_EXTENSIONS="$ENABLED_EXTENSIONS $e"
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;;
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*)
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AC_MSG_ERROR([invalid extension $e])
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@@ -49,6 +49,7 @@ AC_CONFIG_FILES([
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Makefile
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extensions/Makefile
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extensions/example/Makefile
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extensions/alternate-tab/Makefile
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po/Makefile.in
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])
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AC_OUTPUT
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3
extensions/alternate-tab/Makefile.am
Normal file
3
extensions/alternate-tab/Makefile.am
Normal file
@@ -0,0 +1,3 @@
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EXTENSION_ID = alternate-tab
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include ../../extension.mk
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365
extensions/alternate-tab/extension.js
Normal file
365
extensions/alternate-tab/extension.js
Normal file
@@ -0,0 +1,365 @@
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// Sample extension code, makes clicking on the panel show a message
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const St = imports.gi.St;
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const Mainloop = imports.mainloop;
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const AltTab=imports.ui.altTab;
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const Main = imports.ui.main;
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const WindowManager = imports.ui.windowManager;
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const Clutter = imports.gi.Clutter;
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const Tweener = imports.ui.tweener;
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const Shell= imports.gi.Shell;
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const Lang = imports.lang;
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function AltTabPopup2() {
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this._init();
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}
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AltTabPopup2.prototype = {
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__proto__ : AltTab.AltTabPopup.prototype,
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_init : function() {
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this.actor = new Shell.GenericContainer({ name: 'altTabPopup',
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reactive: true });
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this.actor.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth));
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this.actor.connect('get-preferred-height', Lang.bind(this, this._getPreferredHeight));
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this.actor.connect('allocate', Lang.bind(this, this._allocate));
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this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
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this._haveModal = false;
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this._currentApp = 0;
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this._currentWindow = -1;
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this._thumbnailTimeoutId = 0;
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this._motionTimeoutId = 0;
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// Initially disable hover so we ignore the enter-event if
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// the switcher appears underneath the current pointer location
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this._disableHover();
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this.show();
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Main.uiGroup.add_actor(this.actor);
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},
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show : function(backward) {
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let tracker = Shell.WindowTracker.get_default();
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let windows=global.get_window_actors();
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// let windows=global.get_window_actors();
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let liste='';
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let normal_windows=[];
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let appIcons=[];
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let tracker = Shell.WindowTracker.get_default();
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let apps = tracker.get_running_apps ('');
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for (let w=windows.length-1; w>=0;w--) {
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let win=windows[w].get_meta_window();
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if (win.window_type==0) {
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normal_windows.push(win);
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}
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}
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normal_windows.sort(Lang.bind(this, this._sortWindows));
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let win_on_top=normal_windows.shift();
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normal_windows.push(win_on_top);
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windows=normal_windows;
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for (let w=0; w<windows.length;w++) {
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let win=windows[w];
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//log(/"Cherche : "+win.get_title());
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let ap1=null;
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for (let i=0;i<apps.length;i++) {
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let app_wins=apps[i].get_windows();
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for (let j=0;j<app_wins.length;j++) {
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//log(/app_wins[j].get_title());
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if (app_wins[j]==win) {
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ap1=new AltTab.AppIcon(apps[i]);
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//log(/ "ok");
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}
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}
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}
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ap1.cachedWindows=[win];
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appIcons.push(ap1);
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}
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// apps=apps[0].get_windows();
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if (!windows.length)
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return false;
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if (!Main.pushModal(this.actor))
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return false;
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this._haveModal = true;
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//this._keyPressEventId = global.stage.connect('key-press-event', Lang.bind(this, this._keyPressEvent));
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//this._keyReleaseEventId = global.stage.connect('key-release-event', Lang.bind(this, this._keyReleaseEvent));
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this.actor.connect('key-press-event', Lang.bind(this, this._keyPressEvent));
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this.actor.connect('key-release-event', Lang.bind(this, this._keyReleaseEvent));
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this.actor.connect('button-press-event', Lang.bind(this, this._clickedOutside));
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this.actor.connect('scroll-event', Lang.bind(this, this._onScroll));
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this._appSwitcher = new WindowList(windows);
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this._appSwitcher.highlight(0,false);
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this.actor.add_actor(this._appSwitcher.actor);
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this._appSwitcher.connect('item-activated', Lang.bind(this, this._appActivated));
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this._appSwitcher.connect('item-entered', Lang.bind(this, this._appEntered));
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this._appIcons = appIcons;
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//this._appSwitcher.icons=[];
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return true
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},
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_keyPressEvent : function(actor, event) {
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let keysym = event.get_key_symbol();
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let shift = (Shell.get_event_state(event) & Clutter.ModifierType.SHIFT_MASK);
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// X allows servers to represent Shift+Tab in two different ways
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if (shift && keysym == Clutter.Tab)
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keysym = Clutter.ISO_Left_Tab;
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this._disableHover();
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if (keysym == Clutter.grave)
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this._select(this._currentApp, this._nextWindow());
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else if (keysym == Clutter.asciitilde)
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this._select(this._currentApp, this._previousWindow());
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else if (keysym == Clutter.Escape)
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this.destroy();
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else if (this._thumbnailsFocused) {
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if (keysym == Clutter.Tab) {
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if (this._currentWindow == this._appIcons[this._currentApp].cachedWindows.length - 1)
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this._select(this._nextApp());
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else
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this._select(this._currentApp, this._nextWindow());
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} else if (keysym == Clutter.ISO_Left_Tab) {
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if (this._currentWindow == 0 || this._currentWindow == -1)
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this._select(this._previousApp());
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else
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this._select(this._currentApp, this._previousWindow());
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} else if (keysym == Clutter.Left)
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this._select(this._currentApp, this._previousWindow());
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else if (keysym == Clutter.Right)
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this._select(this._currentApp, this._nextWindow());
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else if (keysym == Clutter.Up)
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this._select(this._currentApp, null, true);
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} else {
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if (keysym == Clutter.Tab)
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this._select(this._nextApp());
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else if (keysym == Clutter.ISO_Left_Tab)
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this._select(this._previousApp());
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else if (keysym == Clutter.Left)
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this._select(this._previousApp());
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else if (keysym == Clutter.Right)
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this._select(this._nextApp());
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}
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return true;
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},
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_sortWindows : function(win1,win2) {
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let t1=win1.get_user_time();
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let t2=win2.get_user_time();
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if (t2>t1) return 1;
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else return -1;
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},
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_appActivated : function(thumbnailList, n) {
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//log(/"Activé !");
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let appIcon = this._appIcons[this._currentApp];
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Main.activateWindow(appIcon.cachedWindows[0]);
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this.destroy();
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},
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_finish : function() {
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let app = this._appIcons[this._currentApp];
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Main.activateWindow(app.cachedWindows[0]);
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this.destroy();
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},
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/*_appEntered : function(thumbnailList, n) {
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if (!this._mouseActive)
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return;
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this._select(this._currentApp, n);
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},*/
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};
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function WindowList(windows) {
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this._init(windows);
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}
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WindowList.prototype = {
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__proto__ : AltTab.AppSwitcher.prototype ,
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_init : function(windows) {
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AltTab.AppSwitcher.prototype._init.call(this,[]);
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let activeWorkspace = global.screen.get_active_workspace();
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this._labels = new Array();
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this._thumbnailBins = new Array();
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this._clones = new Array();
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this._windows = windows;
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this._arrows= new Array();
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this.icons= new Array();
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for (let w=0; w<windows.length;w++) {
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let arrow = new St.DrawingArea({ style_class: 'switcher-arrow' });
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arrow.connect('repaint', Lang.bind(this,
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function (area) {
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Shell.draw_box_pointer(area, Shell.PointerDirection.DOWN);
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}));
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this._list.add_actor(arrow);
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this._arrows.push(arrow);
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arrow.hide();
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let win=windows[w];
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//log(/"xxxxxxxxxxxxxxxxxCherche : "+win.get_title());
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let tracker = Shell.WindowTracker.get_default();
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let apps = tracker.get_running_apps ('');
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let ap1=null;
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for (let i=0;i<apps.length;i++) {
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let app_wins=apps[i].get_windows();
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for (let j=0;j<app_wins.length;j++) {
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//log(/app_wins[j].get_title());
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if (app_wins[j]==win) {
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ap1=new AltTab.AppIcon(apps[i]);
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let mutterWindow = win.get_compositor_private();
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let windowTexture = mutterWindow.get_texture ();
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let [width, height] = windowTexture.get_size();
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let scale = Math.min(1.0, 128 / width, 128 / height);
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log(width+","+height+","+scale+":"+win.get_title());
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let clone = new Clutter.Clone ({ source: windowTexture, reactive: true, width: width * scale, height: height * scale });
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ap1.icon=ap1.app.create_icon_texture(128);
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ap1._iconBin.set_size(128,128);
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ap1._iconBin.child=clone;
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ap1.label.text=win.get_title();
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//log(/ "ok");
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}
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}
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}
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ap1.cachedWindows=[win];
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this._addIcon(ap1);
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//log(/"~~~~~~~²²Icones :"+this.icons.length);
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//this.icons.push(ap1);
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}
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/*for (let i = 0; i < windows.length; i++) {
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let arrow = new St.DrawingArea({ style_class: 'switcher-arrow' });
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let mutterWindow = windows[i].get_compositor_private();
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let windowTexture = mutterWindow.get_texture ();
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let [width, height] = windowTexture.get_size();
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let scale = Math.min(1.0, 128 / width, 128 / height);
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let clone = new Clutter.Clone ({ source: windowTexture, reactive: true, width: width * scale, height: height * scale });
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this._clones.push(clone);
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let box = new St.BoxLayout({ style_class: 'thumbnail-box',
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vertical: true });
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let bin = new St.Bin({ style_class: 'thumbnail' });
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box.add_actor(bin);
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this._thumbnailBins.push(bin);
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let title = windows[i].get_title();
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if (title) {
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let name = new St.Label({ text: title });
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// St.Label doesn't support text-align so use a Bin
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//let bin = new St.Bin({ x_align: St.Align.MIDDLE });
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// this._labels.push(bin);
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// bin.add_actor(name);
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//bin.add_actor(clone);
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// box.add_actor(bin);
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}
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this.addItem(box);
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}*/
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},
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_sortAppIcon : function(appIcon1, appIcon2) {
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log ("TRIIIIIIII");
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return 1;
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},
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addSeparator: function () {
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this._separator=null;
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}
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};
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function _myAltTab() {
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/*let monitor = global.get_primary_monitor();
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let windows=global.get_windows();
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let liste='';
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let normal_windows=[];
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//log(/"~~~~~~~~~~~~~ LISTE ~~~~~~~~~~~~~~");
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for (let w=0; w<windows.length;w++) {
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let win=windows[w].get_meta_window();
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//log(/win.get_title()+":"+win.get_layer() );
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let chaine=""
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if (win.get_layer()==2) {normal_windows.push(win);
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}
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}
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//log(/"~~~~~~~~~~~~~ LISTE2 ~~~~~~~~~~~~~~");
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for (let w=0; w<normal_windows.length;w++) {
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let win=normal_windows[w]
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//log(/win.get_title());
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// let text = new St.Label({ style_class: 'helloworld-label', text: win.get_title() })
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// global.stage.add_actor(text);
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// text.set_position(Math.floor (monitor.width / 2 - text.width / 2), Math.floor(monitor.height / 2 - text.height / 2 -w*text.height));
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// Mainloop.timeout_add(1000, function () { text.destroy(); });
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}
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log ("============== liste2======");
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let win_on_top=normal_windows.pop();
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normal_windows.unshift(win_on_top);*/
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let alpopup=new AltTabPopup2();
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//alpopup.winlist=new WindowList(normal_windows)
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//global.stage.add_actor(alpopup.actor)
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/* Tweener.addTween(thumblist.actor,
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{ opacity: 255,
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time: 0.1,
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transition: 'easeOutQuad'
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});
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*/
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/*for (let w=0; w<normal_windows.length;w++) {
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let win=normal_windows[w];
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//log(/win.get_title());
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let text = new St.Label({ style_class: 'helloworld-label', text: win.get_title() })
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let mutterWindow = win.get_compositor_private();
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let windowTexture = mutterWindow.get_texture ();
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let [width, height] = windowTexture.get_size();
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let scale = Math.min(1.0, 128 / width, 128 / height);
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let clone = new Clutter.Clone ({ source: windowTexture, reactive: true, width: width * scale, height: height * scale });
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let bin = new St.Bin({ x_align: St.Align.MIDDLE });
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bin.add_actor(clone);
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global.stage.add_actor(bin);
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bin.set_position(Math.floor (monitor.width / 2 - bin.width / 2)-w*bin.height, Math.floor(monitor.height / 2 - bin.height / 2 ));
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Mainloop.timeout_add(1000, function () { bin.destroy(); });
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*/
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}
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// Put your extension initialization code here
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function main() {
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Main.wm.setKeybindingHandler('switch_windows', _myAltTab);
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}
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7
extensions/alternate-tab/metadata.json
Normal file
7
extensions/alternate-tab/metadata.json
Normal file
@@ -0,0 +1,7 @@
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{
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"uuid": "alternate-tab@gnome-shell-extensions.gnome.org",
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"name": "AlternateTab",
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"description": "A replacement for Alt-Tab, allows to cycle between windows and does not group by application",
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"original-author": "thomas.bouffon@gmail.com",
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"shell-version": [ "2.91.5" ]
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}
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8
extensions/alternate-tab/stylesheet.css
Normal file
8
extensions/alternate-tab/stylesheet.css
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@@ -0,0 +1,8 @@
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/* Example stylesheet */
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.helloworld-label {
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font-size: 36px;
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font-weight: bold;
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color: #ffffff;
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background-color: rgba(10,10,10,0.7);
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border-radius: 5px;
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}
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