Files
gnome-shell-extensions/extensions/alternate-tab/extension.js
Giovanni Campagna 349d1f5e52 AlternateTab: make it work with the mouse.
Patch provided by Thomas Bouffon <thomas.bouffon@gmail.com>
2011-02-23 18:22:08 +01:00

238 lines
8.0 KiB
JavaScript

/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
const Clutter = imports.gi.Clutter;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const Shell= imports.gi.Shell;
const St = imports.gi.St;
const AltTab=imports.ui.altTab;
const Main = imports.ui.main;
const Tweener = imports.ui.tweener;
const WindowManager = imports.ui.windowManager;
function AltTabPopup2() {
this._init();
}
AltTabPopup2.prototype = {
__proto__ : AltTab.AltTabPopup.prototype,
_init : function() {
this.actor = new Shell.GenericContainer({ name: 'altTabPopup',
reactive: true });
this.actor.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth));
this.actor.connect('get-preferred-height', Lang.bind(this, this._getPreferredHeight));
this.actor.connect('allocate', Lang.bind(this, this._allocate));
this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
this._haveModal = false;
this._currentApp = 0;
this._currentWindow = -1;
this._thumbnailTimeoutId = 0;
this._motionTimeoutId = 0;
// Initially disable hover so we ignore the enter-event if
// the switcher appears underneath the current pointer location
this._disableHover();
this.show();
Main.uiGroup.add_actor(this.actor);
},
show : function(backward) {
let windows = global.get_window_actors();
let list = '';
let normal_windows= [];
let appIcons = [];
let tracker = Shell.WindowTracker.get_default();
let apps = tracker.get_running_apps ('');
for (let w = windows.length-1; w >= 0; w--) {
let win = windows[w].get_meta_window();
if (win.window_type == 0) {
normal_windows.push(win);
}
}
normal_windows.sort(Lang.bind(this, this._sortWindows));
let win_on_top = normal_windows.shift();
normal_windows.push(win_on_top);
windows = normal_windows;
for (let w = 0; w < windows.length; w++) {
let win = windows[w];
let ap1 = null;
for (let i = 0;i < apps.length; i++) {
let app_wins = apps[i].get_windows();
for (let j = 0;j < app_wins.length; j++) {
if (app_wins[j] == win)
ap1 = new AltTab.AppIcon(apps[i]);
}
}
ap1.cachedWindows = [win];
appIcons.push(ap1);
}
if (!windows.length)
return false;
if (!Main.pushModal(this.actor))
return false;
this._haveModal = true;
this.actor.connect('key-press-event', Lang.bind(this, this._keyPressEvent));
this.actor.connect('key-release-event', Lang.bind(this, this._keyReleaseEvent));
this.actor.connect('button-press-event', Lang.bind(this, this._clickedOutside));
this.actor.connect('scroll-event', Lang.bind(this, this._onScroll));
this._appSwitcher = new WindowList(windows);
this._appSwitcher._altTabPopup=this;
this._appSwitcher.highlight(0,false);
this.actor.add_actor(this._appSwitcher.actor);
this._appSwitcher.connect('item-activated', Lang.bind(this, this._appActivated));
this._appSwitcher.connect('item-entered', Lang.bind(this, this._appEntered));
this._appIcons = appIcons;
return true
},
_keyPressEvent : function(actor, event) {
let keysym = event.get_key_symbol();
let shift = (Shell.get_event_state(event) & Clutter.ModifierType.SHIFT_MASK);
// X allows servers to represent Shift+Tab in two different ways
if (shift && keysym == Clutter.Tab)
keysym = Clutter.ISO_Left_Tab;
this._disableHover();
if (keysym == Clutter.grave)
this._select(this._currentApp, this._nextWindow());
else if (keysym == Clutter.asciitilde)
this._select(this._currentApp, this._previousWindow());
else if (keysym == Clutter.Escape)
this.destroy();
else if (this._thumbnailsFocused) {
if (keysym == Clutter.Tab) {
if (this._currentWindow == this._appIcons[this._currentApp].cachedWindows.length - 1)
this._select(this._nextApp());
else
this._select(this._currentApp, this._nextWindow());
} else if (keysym == Clutter.ISO_Left_Tab) {
if (this._currentWindow == 0 || this._currentWindow == -1)
this._select(this._previousApp());
else
this._select(this._currentApp, this._previousWindow());
} else if (keysym == Clutter.Left)
this._select(this._currentApp, this._previousWindow());
else if (keysym == Clutter.Right)
this._select(this._currentApp, this._nextWindow());
else if (keysym == Clutter.Up)
this._select(this._currentApp, null, true);
} else {
if (keysym == Clutter.Tab)
this._select(this._nextApp());
else if (keysym == Clutter.ISO_Left_Tab)
this._select(this._previousApp());
else if (keysym == Clutter.Left)
this._select(this._previousApp());
else if (keysym == Clutter.Right)
this._select(this._nextApp());
}
return true;
},
_sortWindows : function(win1,win2) {
let t1 = win1.get_user_time();
let t2 = win2.get_user_time();
if (t2 > t1) return 1;
else return -1;
},
_appActivated : function(thumbnailList, n) {
let appIcon = this._appIcons[this._currentApp];
Main.activateWindow(appIcon.cachedWindows[0]);
this.destroy();
},
_finish : function() {
let app = this._appIcons[this._currentApp];
Main.activateWindow(app.cachedWindows[0]);
this.destroy();
},
};
function WindowList(windows) {
this._init(windows);
}
WindowList.prototype = {
__proto__ : AltTab.AppSwitcher.prototype,
_init : function(windows) {
AltTab.AppSwitcher.prototype._init.call(this, []);
let activeWorkspace = global.screen.get_active_workspace();
this._labels = new Array();
this._thumbnailBins = new Array();
this._clones = new Array();
this._windows = windows;
this._arrows= new Array();
this.icons= new Array();
for (let w = 0; w < windows.length; w++) {
let arrow = new St.DrawingArea({ style_class: 'switcher-arrow' });
arrow.connect('repaint', Lang.bind(this, function (area) {
Shell.draw_box_pointer(area, Shell.PointerDirection.DOWN);
}));
this._list.add_actor(arrow);
this._arrows.push(arrow);
arrow.hide();
let win=windows[w];
let tracker = Shell.WindowTracker.get_default();
let apps = tracker.get_running_apps ('');
let ap1 = null;
for (let i = 0; i < apps.length; i++) {
let app_wins = apps[i].get_windows();
for (let j = 0; j < app_wins.length; j++) {
if (app_wins[j] == win) {
ap1 = new AltTab.AppIcon(apps[i]);
let mutterWindow = win.get_compositor_private();
let windowTexture = mutterWindow.get_texture ();
let [width, height] = windowTexture.get_size();
let scale = Math.min(1.0, 128 / width, 128 / height);
let clone = new Clutter.Clone ({ source: windowTexture, reactive: true, width: width * scale, height: height * scale });
ap1.icon = ap1.app.create_icon_texture(128);
ap1._iconBin.set_size(128,128);
ap1._iconBin.child=clone;
ap1.label.text=win.get_title();
}
}
}
ap1.cachedWindows = [win];
this._addIcon(ap1);
}
},
addSeparator: function () {
this._separator=null;
}
};
function main() {
Main.wm.setKeybindingHandler('switch_windows', function() {
let alpopup = new AltTabPopup2();
});
}