Giovanni Campagna
245ab96a27
Since 3.3.5, gnome-shell offers an integrated configuration tool for extensions, which can be used by adding a new "prefs" module. Replace the old modal dialog with a new gtk dialog, which also allows to configure the new highlight-selected setting.
531 lines
18 KiB
JavaScript
531 lines
18 KiB
JavaScript
/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
|
|
|
|
/* most of the code is borrowed from
|
|
* > js/ui/altTab.js <
|
|
* of the gnome-shell source code
|
|
*/
|
|
|
|
const Clutter = imports.gi.Clutter;
|
|
const Gdk = imports.gi.Gdk;
|
|
const Gio = imports.gi.Gio;
|
|
const Gtk = imports.gi.Gtk;
|
|
const Lang = imports.lang;
|
|
const Mainloop = imports.mainloop;
|
|
const Meta = imports.gi.Meta;
|
|
const Shell = imports.gi.Shell;
|
|
const St = imports.gi.St;
|
|
|
|
const AltTab = imports.ui.altTab;
|
|
const Main = imports.ui.main;
|
|
const ModalDialog = imports.ui.modalDialog;
|
|
const Tweener = imports.ui.tweener;
|
|
const WindowManager = imports.ui.windowManager;
|
|
|
|
const Gettext = imports.gettext.domain('gnome-shell-extensions');
|
|
const _ = Gettext.gettext;
|
|
const N_ = function(e) { return e };
|
|
|
|
const ExtensionUtils = imports.misc.extensionUtils;
|
|
const Me = ExtensionUtils.getCurrentExtension();
|
|
const Convenience = Me.imports.convenience;
|
|
|
|
let settings;
|
|
|
|
const POPUP_DELAY_TIMEOUT = 150; // milliseconds
|
|
|
|
const SETTINGS_BEHAVIOUR_KEY = 'behaviour';
|
|
const SETTINGS_HIGHLIGHT_SELECTED_KEY = 'highlight-selected';
|
|
|
|
const AltTabPopupWorkspaceIcons = new Lang.Class({
|
|
Name: 'AlternateTab.AltTabPopupWorkspaceIcons',
|
|
Extends: AltTab.AltTabPopup,
|
|
|
|
_windowActivated : function(thumbnailList, n) { },
|
|
|
|
show : function(backward, binding, mask) {
|
|
let appSys = Shell.AppSystem.get_default();
|
|
let apps = appSys.get_running ();
|
|
|
|
if (!apps.length)
|
|
return false;
|
|
|
|
if (!Main.pushModal(this.actor)) {
|
|
// Probably someone else has a pointer grab, try again with keyboard only
|
|
if (!Main.pushModal(this.actor, global.get_current_time(), Meta.ModalOptions.POINTER_ALREADY_GRABBED)) {
|
|
return false;
|
|
}
|
|
}
|
|
this._haveModal = true;
|
|
this._modifierMask = AltTab.primaryModifier(mask);
|
|
|
|
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 WindowSwitcher(apps, this);
|
|
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 = this._appSwitcher.icons;
|
|
|
|
// Need to force an allocation so we can figure out whether we
|
|
// need to scroll when selecting
|
|
this.actor.opacity = 0;
|
|
this.actor.show();
|
|
this.actor.get_allocation_box();
|
|
|
|
this._highlight_selected = settings.get_boolean(SETTINGS_HIGHLIGHT_SELECTED_KEY);
|
|
|
|
// Make the initial selection
|
|
if (binding == 'switch_group') {
|
|
//see AltTab.AltTabPopup.show function
|
|
//cached windows are always of length one, so select first app and the window
|
|
//the direction doesn't matter, so ignore backward
|
|
this._select(0, 0);
|
|
} else if (binding == 'switch_group_backward') {
|
|
this._select(0, 0);
|
|
} else if (binding == 'switch_windows_backward') {
|
|
this._select(this._appIcons.length - 1);
|
|
} else if (this._appIcons.length == 1) {
|
|
this._select(0);
|
|
} else if (backward) {
|
|
this._select(this._appIcons.length - 1);
|
|
} else {
|
|
this._select(1);
|
|
}
|
|
|
|
|
|
// There's a race condition; if the user released Alt before
|
|
// we got the grab, then we won't be notified. (See
|
|
// https://bugzilla.gnome.org/show_bug.cgi?id=596695 for
|
|
// details.) So we check now. (Have to do this after updating
|
|
// selection.)
|
|
let [x, y, mods] = global.get_pointer();
|
|
if (!(mods & this._modifierMask)) {
|
|
this._finish();
|
|
return false;
|
|
}
|
|
|
|
// We delay showing the popup so that fast Alt+Tab users aren't
|
|
// disturbed by the popup briefly flashing.
|
|
this._initialDelayTimeoutId = Mainloop.timeout_add(POPUP_DELAY_TIMEOUT,
|
|
Lang.bind(this, function () {
|
|
this.actor.opacity = 255;
|
|
this._initialDelayTimeoutId = 0;
|
|
}));
|
|
|
|
return true;
|
|
},
|
|
|
|
_select : function(app, window, forceAppFocus) {
|
|
if (app != this._currentApp || window == null) {
|
|
if (this._thumbnails)
|
|
this._destroyThumbnails();
|
|
}
|
|
|
|
if (this._thumbnailTimeoutId != 0) {
|
|
Mainloop.source_remove(this._thumbnailTimeoutId);
|
|
this._thumbnailTimeoutId = 0;
|
|
}
|
|
|
|
this._thumbnailsFocused = (window != null) && !forceAppFocus;
|
|
|
|
this._currentApp = app;
|
|
this._currentWindow = window ? window : -1;
|
|
this._appSwitcher.highlight(app, this._thumbnailsFocused);
|
|
|
|
if (window != null) {
|
|
if (!this._thumbnails)
|
|
this._createThumbnails();
|
|
this._currentWindow = window;
|
|
this._thumbnails.highlight(window, forceAppFocus);
|
|
} else if (this._appIcons[this._currentApp].cachedWindows.length > 1 &&
|
|
!forceAppFocus) {
|
|
this._thumbnailTimeoutId = Mainloop.timeout_add (
|
|
THUMBNAIL_POPUP_TIME,
|
|
Lang.bind(this, this._timeoutPopupThumbnails));
|
|
}
|
|
if (this._highlight_selected) {
|
|
let current_app = this._appIcons[this._currentApp];
|
|
Main.activateWindow(current_app.cachedWindows[0]);
|
|
}
|
|
},
|
|
|
|
_finish : function() {
|
|
let app = this._appIcons[this._currentApp];
|
|
if (!app)
|
|
return;
|
|
|
|
/*
|
|
* We've to restore the original Z-depth and order of all windows.
|
|
*
|
|
* Gnome-shell doesn't give an option to change Z-depth without
|
|
* messing the window's user_time.
|
|
*
|
|
* Pointless if the popup wasn't showed.
|
|
*/
|
|
if (this._highlight_selected && this.actor.opacity == 255) {
|
|
for (let i = this._appIcons.length - 2; i >= 0; i--) {
|
|
let app_walker = this._appIcons[i];
|
|
Main.activateWindow(app_walker.cachedWindows[0], global.get_current_time() - i - 1);
|
|
}
|
|
}
|
|
|
|
Main.activateWindow(app.cachedWindows[0]);
|
|
this.destroy();
|
|
}
|
|
|
|
});
|
|
|
|
const AppIcon = new Lang.Class({
|
|
Name: 'AlternateTab.AppIcon',
|
|
Extends: AltTab.AppIcon,
|
|
|
|
_init: function(app, window) {
|
|
this.app = app;
|
|
|
|
this.cachedWindows = [];
|
|
this.cachedWindows.push(window);
|
|
|
|
this.actor = new St.BoxLayout({ style_class: 'alt-tab-app',
|
|
vertical: true });
|
|
this.icon = null;
|
|
this._iconBin = new St.Bin({ x_fill: true, y_fill: true });
|
|
|
|
this.actor.add(this._iconBin, { x_fill: false, y_fill: false } );
|
|
|
|
let title = window.get_title();
|
|
if (title) {
|
|
this.label = new St.Label({ text: title });
|
|
let bin = new St.Bin({ x_align: St.Align.MIDDLE });
|
|
bin.add_actor(this.label);
|
|
this.actor.add(bin);
|
|
}
|
|
else {
|
|
this.label = new St.Label({ text: this.app.get_name() });
|
|
this.actor.add(this.label, { x_fill: false });
|
|
}
|
|
}
|
|
});
|
|
|
|
const WindowSwitcher = new Lang.Class({
|
|
Name: 'AlternateTab.WindowSwitcher',
|
|
Extends: AltTab.AppSwitcher,
|
|
|
|
_init : function(apps, altTabPopup) {
|
|
// Horrible HACK!
|
|
// We inherit from AltTab.AppSwitcher, but only chain up to
|
|
// AltTab.SwitcherList._init, to bypass AltTab.AppSwitcher._init
|
|
AltTab.SwitcherList.prototype._init.call(this, true);
|
|
|
|
// Construct the AppIcons, sort by time, add to the popup
|
|
let activeWorkspace = global.screen.get_active_workspace();
|
|
let workspaceIcons = [];
|
|
let otherIcons = [];
|
|
for (let i = 0; i < apps.length; i++) {
|
|
// Cache the window list now; we don't handle dynamic changes here,
|
|
// and we don't want to be continually retrieving it
|
|
let windows = apps[i].get_windows();
|
|
|
|
for(let j = 0; j < windows.length; j++) {
|
|
let appIcon = new AppIcon(apps[i], windows[j]);
|
|
if (this._isWindowOnWorkspace(windows[j], activeWorkspace)) {
|
|
workspaceIcons.push(appIcon);
|
|
}
|
|
else {
|
|
otherIcons.push(appIcon);
|
|
}
|
|
}
|
|
}
|
|
|
|
workspaceIcons.sort(Lang.bind(this, this._sortAppIcon));
|
|
otherIcons.sort(Lang.bind(this, this._sortAppIcon));
|
|
|
|
if(otherIcons.length > 0) {
|
|
let mostRecentOtherIcon = otherIcons[0];
|
|
otherIcons = [];
|
|
otherIcons.push(mostRecentOtherIcon);
|
|
}
|
|
|
|
this.icons = [];
|
|
this._arrows = [];
|
|
for (let i = 0; i < workspaceIcons.length; i++)
|
|
this._addIcon(workspaceIcons[i]);
|
|
if (workspaceIcons.length > 0 && otherIcons.length > 0)
|
|
this.addSeparator();
|
|
for (let i = 0; i < otherIcons.length; i++)
|
|
this._addIcon(otherIcons[i]);
|
|
|
|
this._curApp = -1;
|
|
this._iconSize = 0;
|
|
this._altTabPopup = altTabPopup;
|
|
this._mouseTimeOutId = 0;
|
|
},
|
|
|
|
|
|
_isWindowOnWorkspace: function(w, workspace) {
|
|
if (w.get_workspace() == workspace)
|
|
return true;
|
|
return false;
|
|
},
|
|
|
|
_sortAppIcon : function(appIcon1, appIcon2) {
|
|
let t1 = appIcon1.cachedWindows[0].get_user_time();
|
|
let t2 = appIcon2.cachedWindows[0].get_user_time();
|
|
if (t2 > t1) return 1;
|
|
else return -1;
|
|
}
|
|
});
|
|
|
|
const AltTabPopupAllThumbnails = new Lang.Class({
|
|
Name: 'AlternateTab.AltTabPopup.AllThumbnails',
|
|
Extends: AltTab.AltTabPopup,
|
|
|
|
_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);
|
|
//this._select(0);
|
|
},
|
|
|
|
show : function(backward, binding, mask) {
|
|
let windows = global.get_window_actors();
|
|
|
|
let list = '';
|
|
let normal_windows= [];
|
|
let appIcons = [];
|
|
let appSys = Shell.AppSystem.get_default();
|
|
let apps = appSys.get_running();
|
|
|
|
for (let w = windows.length-1; w >= 0; w--) {
|
|
let win = windows[w].get_meta_window();
|
|
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]);
|
|
}
|
|
}
|
|
if (ap1 != null) {
|
|
ap1.cachedWindows = [win];
|
|
appIcons.push(ap1);
|
|
}
|
|
}
|
|
|
|
if (!windows.length) {
|
|
this.destroy();
|
|
return false;
|
|
}
|
|
|
|
if (!Main.pushModal(this.actor)) {
|
|
// Probably someone else has a pointer grab, try again with keyboard only
|
|
if (!Main.pushModal(this.actor, global.get_current_time(), Meta.ModalOptions.POINTER_ALREADY_GRABBED)) {
|
|
return false;
|
|
}
|
|
}
|
|
this._haveModal = true;
|
|
this._modifierMask = AltTab.primaryModifier(mask);
|
|
|
|
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.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;
|
|
|
|
// make the initial selection
|
|
if (backward)
|
|
this._select(windows.length - 2);
|
|
else
|
|
this._select(0);
|
|
|
|
this.actor.opacity = 0;
|
|
this.actor.show();
|
|
|
|
// There's a race condition; if the user released Alt before
|
|
// we got the grab, then we won't be notified. (See
|
|
// https://bugzilla.gnome.org/show_bug.cgi?id=596695 for
|
|
// details.) So we check now. (Have to do this after updating
|
|
// selection.)
|
|
let [x, y, mods] = global.get_pointer();
|
|
if (!(mods & this._modifierMask)) {
|
|
this._finish();
|
|
return false;
|
|
}
|
|
|
|
// We delay showing the popup so that fast Alt+Tab users aren't
|
|
// disturbed by the popup briefly flashing.
|
|
this._initialDelayTimeoutId = Mainloop.timeout_add(AltTab.POPUP_DELAY_TIMEOUT,
|
|
Lang.bind(this, function () {
|
|
this.actor.opacity = 255;
|
|
this._initialDelayTimeoutId = 0;
|
|
}));
|
|
|
|
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();
|
|
},
|
|
});
|
|
|
|
const WindowList = new Lang.Class({
|
|
Name: 'AlternateTab.WindowList',
|
|
Extends: AltTab.SwitcherList,
|
|
|
|
_init : function(windows) {
|
|
this.parent(true);
|
|
|
|
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 appSys = Shell.AppSystem.get_default();
|
|
let apps = appSys.get_running();
|
|
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();
|
|
}
|
|
}
|
|
}
|
|
if (ap1 != null) {
|
|
ap1.cachedWindows = [win];
|
|
this.addItem(ap1.actor, ap1.label);
|
|
this.icons.push(ap1);
|
|
}
|
|
}
|
|
},
|
|
|
|
addSeparator: function () {
|
|
this._separator=null;
|
|
}
|
|
});
|
|
|
|
const MODES = {
|
|
all_thumbnails: AltTabPopupAllThumbnails,
|
|
workspace_icons: AltTabPopupWorkspaceIcons,
|
|
};
|
|
|
|
function doAltTab(display, screen, window, binding) {
|
|
let behaviour = settings.get_string(SETTINGS_BEHAVIOUR_KEY);
|
|
|
|
// alt-tab having no effect is unexpected, even with wrong settings
|
|
if (!(behaviour in MODES))
|
|
behaviour = 'all_thumbnails';
|
|
|
|
if (Main.wm._workspaceSwitcherPopup)
|
|
Main.wm._workspaceSwitcherPopup.actor.hide();
|
|
|
|
let modifiers = binding.get_modifiers()
|
|
let backwards = modifiers & Meta.VirtualModifier.SHIFT_MASK;
|
|
|
|
let constructor = MODES[behaviour];
|
|
let popup = new constructor();
|
|
if (!popup.show(backwards, binding.get_name(), binding.get_mask()))
|
|
popup.destroy();
|
|
}
|
|
|
|
function init(metadata) {
|
|
Convenience.initTranslations();
|
|
settings = Convenience.getSettings();
|
|
}
|
|
|
|
function enable() {
|
|
Meta.keybindings_set_custom_handler('switch-windows', doAltTab);
|
|
Meta.keybindings_set_custom_handler('switch-group', doAltTab);
|
|
Meta.keybindings_set_custom_handler('switch-windows-backward', doAltTab);
|
|
Meta.keybindings_set_custom_handler('switch-group-backward', doAltTab);
|
|
}
|
|
|
|
function disable() {
|
|
Meta.keybindings_set_custom_handler('switch-windows', Lang.bind(Main.wm, Main.wm._startAppSwitcher));
|
|
Meta.keybindings_set_custom_handler('switch-group', Lang.bind(Main.wm, Main.wm._startAppSwitcher));
|
|
Meta.keybindings_set_custom_handler('switch-windows-backward', Lang.bind(Main.wm, Main.wm._startAppSwitcher));
|
|
Meta.keybindings_set_custom_handler('switch-group-backward', Lang.bind(Main.wm, Main.wm._startAppSwitcher));
|
|
}
|