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appIcons.js
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appIcons.js
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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Clutter = imports.gi.Clutter;
const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Gtk = imports.gi.Gtk;
const Signals = imports.signals;
const Lang = imports.lang;
const Meta = imports.gi.Meta;
const Shell = imports.gi.Shell;
const St = imports.gi.St;
const Mainloop = imports.mainloop;
const AppDisplay = imports.ui.appDisplay;
const AppFavorites = imports.ui.appFavorites;
const Dash = imports.ui.dash;
const DND = imports.ui.dnd;
const IconGrid = imports.ui.iconGrid;
const Main = imports.ui.main;
const PopupMenu = imports.ui.popupMenu;
const Tweener = imports.ui.tweener;
const Util = imports.misc.util;
const Workspace = imports.ui.workspace;
const Me = imports.misc.extensionUtils.getCurrentExtension();
const Convenience = Me.imports.convenience;
const WindowPreview = Me.imports.windowPreview;
let tracker = Shell.WindowTracker.get_default();
let DASH_ITEM_LABEL_SHOW_TIME = Dash.DASH_ITEM_LABEL_SHOW_TIME;
const clickAction = {
SKIP: 0,
MINIMIZE: 1,
LAUNCH: 2,
CYCLE_WINDOWS: 3,
QUIT: 4
};
const scrollAction = {
DO_NOTHING: 0,
CYCLE_WINDOWS: 1,
SWITCH_WORKSPACE: 2
};
let recentlyClickedAppLoopId = 0;
let recentlyClickedApp = null;
let recentlyClickedAppWindows = null;
let recentlyClickedAppIndex = 0;
/**
* Extend AppIcon
*
* - Pass settings to the constructor and bind settings changes
* - Apply a css class based on the number of windows of each application (#N);
* - Draw a dot for each window of the application based on the default "dot" style which is hidden (#N);
* a class of the form "running#N" is applied to the AppWellIcon actor.
* like the original .running one.
* - Add a .focused style to the focused app
* - Customize click actions.
* - Update minimization animation target
* - Update menu if open on windows change
*/
const MyAppIcon = new Lang.Class({
Name: 'DashToDock.AppIcon',
Extends: AppDisplay.AppIcon,
// settings are required inside.
_init: function(settings, app, iconParams, onActivateOverride) {
// a prefix is required to avoid conflicting with the parent class variable
this._dtdSettings = settings;
this._nWindows = 0;
this.parent(app, iconParams, onActivateOverride);
// Monitor windows-changes instead of app state.
// Keep using the same Id and function callback (that is extended)
if (this._stateChangedId > 0) {
this.app.disconnect(this._stateChangedId);
this._stateChangedId = 0;
}
this._stateChangedId = this.app.connect('windows-changed',
Lang.bind(this,
this.onWindowsChanged));
this._focuseAppChangeId = tracker.connect('notify::focus-app',
Lang.bind(this,
this._onFocusAppChanged));
this._dots = null;
let keys = ['apply-custom-theme',
'custom-theme-running-dots',
'custom-theme-customize-running-dots',
'custom-theme-running-dots-color',
'custom-theme-running-dots-border-color',
'custom-theme-running-dots-border-width'];
keys.forEach(function(key) {
this._dtdSettings.connect('changed::' + key, Lang.bind(this, this._toggleDots));
}, this);
this._toggleDots();
this._dtdSettings.connect('changed::scroll-action', Lang.bind(this, function() {
this._optionalScrollCycleWindows();
}));
this._optionalScrollCycleWindows();
this._numberOverlay();
},
_onDestroy: function() {
this.parent();
// This is necessary due to an upstream bug
// https://bugzilla.gnome.org/show_bug.cgi?id=757556
// It can be safely removed once it get solved upstrea.
if (this._menu)
this._menu.close(false);
// Disconect global signals
// stateChangedId is already handled by parent)
if (this._focusAppId > 0)
tracker.disconnect(this._focusAppId);
if (this._scrollEventHandler)
this.actor.disconnect(this._scrollEventHandler);
},
_optionalScrollCycleWindows: function() {
if (this._scrollEventHandler)
this.actor.disconnect(this._scrollEventHandler);
let isEnabled = this._dtdSettings.get_enum('scroll-action') === scrollAction.CYCLE_WINDOWS;
if (!isEnabled) return;
this._scrollEventHandler = this.actor.connect('scroll-event', Lang.bind(this,
this.onScrollEvent));
},
onScrollEvent: function(actor, event) {
if (this._optionalScrollCycleWindowsDeadTimeId > 0)
return false;
else
this._optionalScrollCycleWindowsDeadTimeId = Mainloop.timeout_add(250, Lang.bind(this, function() {
this._optionalScrollCycleWindowsDeadTimeId = 0;
}));
let direction = null;
switch (event.get_scroll_direction()) {
case Clutter.ScrollDirection.UP:
direction = Meta.MotionDirection.UP;
break;
case Clutter.ScrollDirection.DOWN:
direction = Meta.MotionDirection.DOWN;
break;
case Clutter.ScrollDirection.SMOOTH:
let [dx, dy] = event.get_scroll_delta();
if (dy < 0)
direction = Meta.MotionDirection.UP;
else if (dy > 0)
direction = Meta.MotionDirection.DOWN;
break;
}
let focusedApp = tracker.focus_app;
if (!Main.overview._shown){
let reversed = direction === Meta.MotionDirection.UP;
if (this.app == focusedApp)
cycleThroughWindows(this.app, this._dtdSettings, reversed);
else {
// Activate the first window
let windows = getInterestingWindows(this.app, this._dtdSettings);
let w = windows[0];
Main.activateWindow(w);
}
}
else
this.app.activate();
return true;
},
onWindowsChanged: function() {
if (this._menu && this._menu.isOpen)
this._menu.update();
this._updateRunningStyle();
this.updateIconGeometry();
},
/**
* Update taraget for minimization animation
*/
updateIconGeometry: function() {
// If (for unknown reason) the actor is not on the stage the reported size
// and position are random values, which might exceeds the integer range
// resulting in an error when assigned to the a rect. This is a more like
// a workaround to prevent flooding the system with errors.
if (this.actor.get_stage() == null)
return;
let rect = new Meta.Rectangle();
[rect.x, rect.y] = this.actor.get_transformed_position();
[rect.width, rect.height] = this.actor.get_transformed_size();
let windows = this.app.get_windows();
windows.forEach(function(w) {
w.set_icon_geometry(rect);
});
},
_toggleDots: function() {
if (this._dtdSettings.get_boolean('custom-theme-running-dots') || this._dtdSettings.get_boolean('apply-custom-theme'))
this._showDots();
else
this._hideDots();
},
_showDots: function() {
// I use opacity to hide the default dot because the show/hide function
// are used by the parent class.
this._dot.opacity = 0;
// Just update style if dots already exist
if (this._dots) {
this._updateCounterClass();
return;
}
this._dots = new St.DrawingArea({x_expand: true, y_expand: true});
this._dots.connect('repaint', Lang.bind(this, function() {
this._drawCircles(this._dots, Convenience.getPosition(this._dtdSettings));
}));
this._iconContainer.add_child(this._dots);
this._updateCounterClass();
},
_hideDots: function() {
this._dot.opacity = 255;
if (this._dots)
this._dots.destroy()
this._dots = null;
},
_updateRunningStyle: function() {
// When using workspace isolation, we need to hide the dots of apps with
// no windows in the current workspace
if (this._dtdSettings.get_boolean('isolate-workspaces')) {
if (this.app.state != Shell.AppState.STOPPED
&& getInterestingWindows(this.app, this._dtdSettings).length != 0)
this._dot.show();
else
this._dot.hide();
}
else
this.parent();
this._onFocusAppChanged();
this._updateCounterClass();
},
popupMenu: function() {
this._removeMenuTimeout();
this.actor.fake_release();
this._draggable.fakeRelease();
if (!this._menu) {
this._menu = new MyAppIconMenu(this, this._dtdSettings);
this._menu.connect('activate-window', Lang.bind(this, function(menu, window) {
this.activateWindow(window);
}));
this._menu.connect('open-state-changed', Lang.bind(this, function(menu, isPoppedUp) {
if (!isPoppedUp)
this._onMenuPoppedDown();
else {
// Setting the max-height is s useful if part of the menu is
// scrollable so the minimum height is smaller than the natural height.
let monitor_index = Main.layoutManager.findIndexForActor(this.actor);
let workArea = Main.layoutManager.getWorkAreaForMonitor(monitor_index);
let position = Convenience.getPosition(this._dtdSettings);
this._isHorizontal = ( position == St.Side.TOP ||
position == St.Side.BOTTOM);
// If horizontal also remove the height of the dash
let additional_margin = this._isHorizontal && !this._dtdSettings.get_boolean('dock-fixed') ? Main.overview._dash.actor.height : 0;
let verticalMargins = this._menu.actor.margin_top + this._menu.actor.margin_bottom;
// Also set a max width to the menu, so long labels (long windows title) get truncated
this._menu.actor.style = ('max-height: ' + Math.round(workArea.height - additional_margin - verticalMargins) + 'px;' +
'max-width: 400px');
}
}));
let id = Main.overview.connect('hiding', Lang.bind(this, function() {
this._menu.close();
}));
this._menu.actor.connect('destroy', function() {
Main.overview.disconnect(id);
});
this._menuManager.addMenu(this._menu);
}
this.emit('menu-state-changed', true);
this.actor.set_hover(true);
this._menu.popup();
this._menuManager.ignoreRelease();
this.emit('sync-tooltip');
return false;
},
_onFocusAppChanged: function() {
if (tracker.focus_app == this.app)
this.actor.add_style_class_name('focused');
else
this.actor.remove_style_class_name('focused');
},
activate: function(button) {
if (!this._dtdSettings.get_boolean('customize-click')) {
this.parent(button);
return;
}
let event = Clutter.get_current_event();
let modifiers = event ? event.get_state() : 0;
let focusedApp = tracker.focus_app;
// Only consider SHIFT and CONTROL as modifiers (exclude SUPER, CAPS-LOCK, etc.)
modifiers = modifiers & (Clutter.ModifierType.SHIFT_MASK | Clutter.ModifierType.CONTROL_MASK);
// We don't change the CTRL-click behaviour: in such case we just chain
// up the parent method and return.
if (modifiers & Clutter.ModifierType.CONTROL_MASK) {
// Keep default behaviour: launch new window
// By calling the parent method I make it compatible
// with other extensions tweaking ctrl + click
this.parent(button);
return;
}
// We check what type of click we have and if the modifier SHIFT is
// being used. We then define what buttonAction should be for this
// event.
let buttonAction = 0;
if (button && button == 2 ) {
if (modifiers & Clutter.ModifierType.SHIFT_MASK)
buttonAction = this._dtdSettings.get_enum('shift-middle-click-action');
else
buttonAction = this._dtdSettings.get_enum('middle-click-action');
}
else if (button && button == 1) {
if (modifiers & Clutter.ModifierType.SHIFT_MASK)
buttonAction = this._dtdSettings.get_enum('shift-click-action');
else
buttonAction = this._dtdSettings.get_enum('click-action');
}
// We check if the app is running, and that the # of windows is > 0 in
// case we use workspace isolation,
let appIsRunning = this.app.state == Shell.AppState.RUNNING
&& getInterestingWindows(this.app, this._dtdSettings).length > 0
// We customize the action only when the application is already running
if (appIsRunning) {
switch (buttonAction) {
case clickAction.MINIMIZE:
// In overview just activate the app, unless the acion is explicitely
// requested with a keyboard modifier
if (!Main.overview._shown || modifiers){
// If we have button=2 or a modifier, allow minimization even if
// the app is not focused
if (this.app == focusedApp || button == 2 || modifiers & Clutter.ModifierType.SHIFT_MASK) {
// minimize all windows on double click and always in the case of primary click without
// additional modifiers
let click_count = 0;
if (Clutter.EventType.CLUTTER_BUTTON_PRESS)
click_count = event.get_click_count();
let all_windows = (button == 1 && ! modifiers) || click_count > 1;
minimizeWindow(this.app, all_windows, this._dtdSettings);
}
else
activateAllWindows(this.app, this._dtdSettings);
}
else
this.app.activate();
break;
case clickAction.CYCLE_WINDOWS:
if (!Main.overview._shown){
if (this.app == focusedApp)
cycleThroughWindows(this.app, this._dtdSettings);
else {
// Activate the first window
let windows = getInterestingWindows(this.app, this._dtdSettings);
let w = windows[0];
Main.activateWindow(w);
}
}
else
this.app.activate();
break;
case clickAction.LAUNCH:
this.animateLaunch();
this.app.open_new_window(-1);
break;
case clickAction.QUIT:
closeAllWindows(this.app, this._dtdSettings);
break;
case clickAction.SKIP:
this.app.activate();
break;
}
}
else {
this.animateLaunch();
this.app.open_new_window(-1);
}
Main.overview.hide();
},
_updateCounterClass: function() {
let maxN = 4;
this._nWindows = Math.min(getInterestingWindows(this.app, this._dtdSettings).length, maxN);
for (let i = 1; i <= maxN; i++) {
let className = 'running' + i;
if (i != this._nWindows)
this.actor.remove_style_class_name(className);
else
this.actor.add_style_class_name(className);
}
if (this._dots)
this._dots.queue_repaint();
},
_drawCircles: function(area, side) {
let borderColor, borderWidth, bodyColor;
if (!this._dtdSettings.get_boolean('apply-custom-theme')
&& this._dtdSettings.get_boolean('custom-theme-running-dots')
&& this._dtdSettings.get_boolean('custom-theme-customize-running-dots')) {
borderColor = Clutter.color_from_string(this._dtdSettings.get_string('custom-theme-running-dots-border-color'))[1];
borderWidth = this._dtdSettings.get_int('custom-theme-running-dots-border-width');
bodyColor = Clutter.color_from_string(this._dtdSettings.get_string('custom-theme-running-dots-color'))[1];
}
else {
// Re-use the style - background color, and border width and color -
// of the default dot
let themeNode = this._dot.get_theme_node();
borderColor = themeNode.get_border_color(side);
borderWidth = themeNode.get_border_width(side);
bodyColor = themeNode.get_background_color();
}
let [width, height] = area.get_surface_size();
let cr = area.get_context();
// Draw the required numbers of dots
// Define the radius as an arbitrary size, but keep large enough to account
// for the drawing of the border.
let radius = Math.max(width/22, borderWidth/2);
let padding = 0; // distance from the margin
let spacing = radius + borderWidth; // separation between the dots
let n = this._nWindows;
cr.setLineWidth(borderWidth);
Clutter.cairo_set_source_color(cr, borderColor);
switch (side) {
case St.Side.TOP:
cr.translate((width - (2*n)*radius - (n-1)*spacing)/2, padding);
for (let i = 0; i < n; i++) {
cr.newSubPath();
cr.arc((2*i+1)*radius + i*spacing, radius + borderWidth/2, radius, 0, 2*Math.PI);
}
break;
case St.Side.BOTTOM:
cr.translate((width - (2*n)*radius - (n-1)*spacing)/2, height - padding);
for (let i = 0; i < n; i++) {
cr.newSubPath();
cr.arc((2*i+1)*radius + i*spacing, -radius - borderWidth/2, radius, 0, 2*Math.PI);
}
break;
case St.Side.LEFT:
cr.translate(padding, (height - (2*n)*radius - (n-1)*spacing)/2);
for (let i = 0; i < n; i++) {
cr.newSubPath();
cr.arc(radius + borderWidth/2, (2*i+1)*radius + i*spacing, radius, 0, 2*Math.PI);
}
break;
case St.Side.RIGHT:
cr.translate(width - padding , (height - (2*n)*radius - (n-1)*spacing)/2);
for (let i = 0; i < n; i++) {
cr.newSubPath();
cr.arc(-radius - borderWidth/2, (2*i+1)*radius + i*spacing, radius, 0, 2*Math.PI);
}
break;
}
cr.strokePreserve();
Clutter.cairo_set_source_color(cr, bodyColor);
cr.fill();
cr.$dispose();
},
_numberOverlay: function() {
// Add label for a Hot-Key visual aid
this._numberOverlayLabel = new St.Label();
this._numberOverlayBin = new St.Bin({
child: this._numberOverlayLabel,
x_align: St.Align.START, y_align: St.Align.START,
x_expand: true, y_expand: true
});
this._numberOverlayStyle = 'background-color: rgba(0,0,0,0.8);'
this._numberOverlayOrder = -1;
this._numberOverlayBin.hide();
this._iconContainer.add_child(this._numberOverlayBin);
},
updateNumberOverlay: function() {
// Set the font size to something smaller than the whole icon so it is
// still visible. The border radius is large to make the shape circular
let [minWidth, natWidth] = this._iconContainer.get_preferred_width(-1);
let font_size = Math.round(Math.max(12, 0.3*natWidth));
let size = Math.round(font_size*1.2);
this._numberOverlayLabel.set_style(
this._numberOverlayStyle +
'font-size: ' + font_size + 'px;' +
'text-align: center;' +
'border-radius: ' + this.icon.iconSize + 'px;' +
'width: ' + size + 'px; height: ' + size +'px;'
);
},
setNumberOverlay: function(number) {
this._numberOverlayOrder = number;
this._numberOverlayLabel.set_text(number.toString());
},
toggleNumberOverlay: function(activate) {
if (activate && this._numberOverlayOrder > -1) {
this.updateNumberOverlay();
this._numberOverlayBin.show();
}
else
this._numberOverlayBin.hide();
}
});
function minimizeWindow(app, param, settings) {
// Param true make all app windows minimize
let windows = getInterestingWindows(app, settings);
let current_workspace = global.screen.get_active_workspace();
for (let i = 0; i < windows.length; i++) {
let w = windows[i];
if (w.get_workspace() == current_workspace && w.showing_on_its_workspace()) {
w.minimize();
// Just minimize one window. By specification it should be the
// focused window on the current workspace.
if(!param)
break;
}
}
}
/**
* By default only non minimized windows are activated.
* This activates all windows in the current workspace.
*/
function activateAllWindows(app, settings) {
// First activate first window so workspace is switched if needed.
app.activate();
// then activate all other app windows in the current workspace
let windows = getInterestingWindows(app, settings);
let activeWorkspace = global.screen.get_active_workspace_index();
if (windows.length <= 0)
return;
let activatedWindows = 0;
for (let i = windows.length - 1; i >= 0; i--) {
if (windows[i].get_workspace().index() == activeWorkspace) {
Main.activateWindow(windows[i]);
activatedWindows++;
}
}
}
/**
* This closes all windows of the app.
*/
function closeAllWindows(app, settings) {
let windows = getInterestingWindows(app, settings);
for (let i = 0; i < windows.length; i++)
windows[i].delete(global.get_current_time());
}
function cycleThroughWindows(app, settings, reversed) {
// Store for a little amount of time last clicked app and its windows
// since the order changes upon window interaction
let MEMORY_TIME=3000;
let app_windows = getInterestingWindows(app, settings);
if (recentlyClickedAppLoopId > 0)
Mainloop.source_remove(recentlyClickedAppLoopId);
recentlyClickedAppLoopId = Mainloop.timeout_add(MEMORY_TIME, resetRecentlyClickedApp);
// If there isn't already a list of windows for the current app,
// or the stored list is outdated, use the current windows list.
if (!recentlyClickedApp ||
recentlyClickedApp.get_id() != app.get_id() ||
recentlyClickedAppWindows.length != app_windows.length) {
recentlyClickedApp = app;
recentlyClickedAppWindows = app_windows;
recentlyClickedAppIndex = 0;
}
if (reversed) {
recentlyClickedAppIndex--;
if (recentlyClickedAppIndex < 0) recentlyClickedAppIndex = recentlyClickedAppWindows.length - 1;
} else {
recentlyClickedAppIndex++;
}
let index = recentlyClickedAppIndex % recentlyClickedAppWindows.length;
let window = recentlyClickedAppWindows[index];
Main.activateWindow(window);
}
function resetRecentlyClickedApp() {
if (recentlyClickedAppLoopId > 0)
Mainloop.source_remove(recentlyClickedAppLoopId);
recentlyClickedAppLoopId=0;
recentlyClickedApp =null;
recentlyClickedAppWindows = null;
recentlyClickedAppIndex = 0;
return false;
}
/**
* Extend AppIconMenu
*
* - Pass settings to the constructor
* - set popup arrow side based on dash orientation
* - Add close windows option based on quitfromdash extension
* (https://github.com/deuill/shell-extension-quitfromdash)
* - Add open windows thumbnails instead of list
* - update menu when application windows change
*/
const MyAppIconMenu = new Lang.Class({
Name: 'DashToDock.MyAppIconMenu',
Extends: AppDisplay.AppIconMenu,
_init: function(source, settings) {
let side = Convenience.getPosition(settings);
// Damm it, there has to be a proper way of doing this...
// As I can't call the parent parent constructor (?) passing the side
// parameter, I overwite what I need later
this.parent(source);
// Change the initialized side where required.
this._arrowSide = side;
this._boxPointer._arrowSide = side;
this._boxPointer._userArrowSide = side;
this._dtdSettings = settings;
},
_redisplay: function() {
this.removeAll();
if (this._dtdSettings.get_boolean('show-windows-preview')) {
// Display the app windows menu items and the separator between windows
// of the current desktop and other windows.
this._allWindowsMenuItem = new PopupMenu.PopupSubMenuMenuItem(_('All Windows'), false);
this._allWindowsMenuItem.actor.hide();
this.addMenuItem(this._allWindowsMenuItem);
if (!this._source.app.is_window_backed()) {
this._appendSeparator();
let appInfo = this._source.app.get_app_info();
let actions = appInfo.list_actions();
if (this._source.app.can_open_new_window() &&
actions.indexOf('new-window') == -1) {
this._newWindowMenuItem = this._appendMenuItem(_("New Window"));
this._newWindowMenuItem.connect('activate', Lang.bind(this, function() {
if (this._source.app.state == Shell.AppState.STOPPED)
this._source.animateLaunch();
this._source.app.open_new_window(-1);
this.emit('activate-window', null);
}));
this._appendSeparator();
}
for (let i = 0; i < actions.length; i++) {
let action = actions[i];
let item = this._appendMenuItem(appInfo.get_action_name(action));
item.connect('activate', Lang.bind(this, function(emitter, event) {
this._source.app.launch_action(action, event.get_time(), -1);
this.emit('activate-window', null);
}));
}
let canFavorite = global.settings.is_writable('favorite-apps');
if (canFavorite) {
this._appendSeparator();
let isFavorite = AppFavorites.getAppFavorites().isFavorite(this._source.app.get_id());
if (isFavorite) {
let item = this._appendMenuItem(_("Remove from Favorites"));
item.connect('activate', Lang.bind(this, function() {
let favs = AppFavorites.getAppFavorites();
favs.removeFavorite(this._source.app.get_id());
}));
} else {
let item = this._appendMenuItem(_("Add to Favorites"));
item.connect('activate', Lang.bind(this, function() {
let favs = AppFavorites.getAppFavorites();
favs.addFavorite(this._source.app.get_id());
}));
}
}
if (Shell.AppSystem.get_default().lookup_app('org.gnome.Software.desktop')) {
this._appendSeparator();
let item = this._appendMenuItem(_("Show Details"));
item.connect('activate', Lang.bind(this, function() {
let id = this._source.app.get_id();
let args = GLib.Variant.new('(ss)', [id, '']);
Gio.DBus.get(Gio.BusType.SESSION, null,
function(o, res) {
let bus = Gio.DBus.get_finish(res);
bus.call('org.gnome.Software',
'/org/gnome/Software',
'org.gtk.Actions', 'Activate',
GLib.Variant.new('(sava{sv})',
['details', [args], null]),
null, 0, -1, null, null);
Main.overview.hide();
});
}));
}
}
} else {
this.parent();
}
// quit menu
this._appendSeparator();
this._quitfromDashMenuItem = this._appendMenuItem(_("Quit"));
this._quitfromDashMenuItem.connect('activate', Lang.bind(this, function() {
closeAllWindows(this._source.app, this._dtdSettings);
}));
this.update();
},
// update menu content when application windows change. This is desirable as actions
// acting on windows (closing) are performed while the menu is shown.
update: function() {
if(this._dtdSettings.get_boolean('show-windows-preview')){
let windows = getInterestingWindows(this._source.app, this._dtdSettings);
// update, show or hide the quit menu
if ( windows.length > 0) {
let quitFromDashMenuText = "";
if (windows.length == 1)
this._quitfromDashMenuItem.label.set_text(_("Quit"));
else
this._quitfromDashMenuItem.label.set_text(_("Quit") + ' ' + windows.length + ' ' + _("Windows"));
this._quitfromDashMenuItem.actor.show();
} else {
this._quitfromDashMenuItem.actor.hide();
}
// update, show, or hide the allWindows menu
// Check if there are new windows not already displayed. In such case, repopulate the allWindows
// menu. Windows removal is already handled by each preview being connected to the destroy signal
let old_windows = this._allWindowsMenuItem.menu._getMenuItems().map(function(item){
if (item._window)
return;
})
let new_windows = windows.filter(function(w) {return old_windows.indexOf(w) < 0;});
if (new_windows.length > 0) {
this._populateAllWindowMenu(windows);
// Try to set the width to that of the submenu.
// TODO: can't get the actual size, getting a bit less.
// Temporary workaround: add 15px to compensate
this._allWindowsMenuItem.actor.width = this._allWindowsMenuItem.menu.actor.width + 15;
}
// The menu is created hidden and never hidded after being shown. Instead, a singlal
// connected to its items destroy will set is insensitive if no more windows preview are shown.
if (windows.length > 0){
this._allWindowsMenuItem.actor.show();
this._allWindowsMenuItem.setSensitive(true);
}
// Update separators
this._getMenuItems().forEach(Lang.bind(this, this._updateSeparatorVisibility));
}
},
_populateAllWindowMenu: function(windows) {
this._allWindowsMenuItem.menu.removeAll();
if (windows.length > 0) {
let activeWorkspace = global.screen.get_active_workspace();
let separatorShown = windows[0].get_workspace() != activeWorkspace;
for (let i = 0; i < windows.length; i++) {
let window = windows[i];
if (!separatorShown && window.get_workspace() != activeWorkspace) {
this._allWindowsMenuItem.menu.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
separatorShown = true;
}
let item = new WindowPreview.WindowPreviewMenuItem(window);
this._allWindowsMenuItem.menu.addMenuItem(item);
item.connect('activate', Lang.bind(this, function() {
this.emit('activate-window', window);
}));
// This is to achieve a more gracefull transition when the last windows is closed.
item.connect('destroy', Lang.bind(this, function() {
if(this._allWindowsMenuItem.menu._getMenuItems().length == 1) // It's still counting the item just going to be destroyed
this._allWindowsMenuItem.setSensitive(false);
}));
}
}
},
});
Signals.addSignalMethods(MyAppIconMenu.prototype);
// Filter out unnecessary windows, for instance
// nautilus desktop window.
function getInterestingWindows(app, settings) {
let windows = app.get_windows().filter(function(w) {
return !w.skip_taskbar;
});
// When using workspace isolation, we filter out windows
// that are not in the current workspace
if (settings.get_boolean('isolate-workspaces'))
windows = windows.filter(function(w) {
return w.get_workspace().index() == global.screen.get_active_workspace_index();
});
return windows;
}
/**
* Extend ShowAppsIcon
*
* - Pass settings to the constructor
* - set label position based on dash orientation
* - implement a popupMenu based on the AppIcon code
*
* I can't subclass the original object because of this: https://bugzilla.gnome.org/show_bug.cgi?id=688973.
* thus use this ugly pattern.
*/
function extendShowAppsIcon(showAppsIcon, settings) {
showAppsIcon._dtdSettings = settings;
/* the variable equivalent to toggleButton has a different name in the appIcon class
(actor): duplicate reference to easily reuse appIcon methods */
showAppsIcon.actor = showAppsIcon.toggleButton;
// Re-use appIcon methods
showAppsIcon._removeMenuTimeout = AppDisplay.AppIcon.prototype._removeMenuTimeout;
showAppsIcon._setPopupTimeout = AppDisplay.AppIcon.prototype._setPopupTimeout;
showAppsIcon._onButtonPress = AppDisplay.AppIcon.prototype._onButtonPress;
showAppsIcon._onKeyboardPopupMenu = AppDisplay.AppIcon.prototype._onKeyboardPopupMenu;
showAppsIcon._onLeaveEvent = AppDisplay.AppIcon.prototype._onLeaveEvent;
showAppsIcon._onTouchEvent = AppDisplay.AppIcon.prototype._onTouchEvent;
showAppsIcon._onMenuPoppedDown = AppDisplay.AppIcon.prototype._onMenuPoppedDown;
// No action on clicked (showing of the appsview is controlled elsewhere)
showAppsIcon._onClicked = function(actor, button) {
showAppsIcon._removeMenuTimeout();
};
showAppsIcon.actor.connect('leave-event', Lang.bind(showAppsIcon, showAppsIcon._onLeaveEvent));
showAppsIcon.actor.connect('button-press-event', Lang.bind(showAppsIcon, showAppsIcon._onButtonPress));
showAppsIcon.actor.connect('touch-event', Lang.bind(showAppsIcon, showAppsIcon._onTouchEvent));
showAppsIcon.actor.connect('clicked', Lang.bind(showAppsIcon, showAppsIcon._onClicked));
showAppsIcon.actor.connect('popup-menu', Lang.bind(showAppsIcon, showAppsIcon._onKeyboardPopupMenu));
showAppsIcon._menu = null;
showAppsIcon._menuManager = new PopupMenu.PopupMenuManager(showAppsIcon);
showAppsIcon._menuTimeoutId = 0;
showAppsIcon.showLabel = itemShowLabel;
showAppsIcon.popupMenu = function() {
showAppsIcon._removeMenuTimeout();
showAppsIcon.actor.fake_release();
if (!showAppsIcon._menu) {
showAppsIcon._menu = new MyShowAppsIconMenu(showAppsIcon, showAppsIcon._dtdSettings);
showAppsIcon._menu.connect('open-state-changed', Lang.bind(showAppsIcon, function(menu, isPoppedUp) {
if (!isPoppedUp)
showAppsIcon._onMenuPoppedDown();
}));
let id = Main.overview.connect('hiding', Lang.bind(showAppsIcon, function() {
showAppsIcon._menu.close();
}));
showAppsIcon._menu.actor.connect('destroy', function() {
Main.overview.disconnect(id);
});
showAppsIcon._menuManager.addMenu(showAppsIcon._menu);
}
showAppsIcon.emit('menu-state-changed', true);
showAppsIcon.actor.set_hover(true);
showAppsIcon._menu.popup();
showAppsIcon._menuManager.ignoreRelease();
showAppsIcon.emit('sync-tooltip');
return false;
};
Signals.addSignalMethods(showAppsIcon);
}
/**
* A menu for the showAppsIcon
*/
const MyShowAppsIconMenu = new Lang.Class({
Name: 'DashToDock.ShowAppsIconMenu',
Extends: MyAppIconMenu,
_redisplay: function() {
this.removeAll();
let item = this._appendMenuItem('Dash to Dock ' + _('Settings'));
item.connect('activate', function () {
Util.spawn(["gnome-shell-extension-prefs", Me.metadata.uuid]);
});
}
});
/**
* This function is used for both extendShowAppsIcon and extendDashItemContainer
*/
function itemShowLabel() {
if (!this._labelText)
return;
this.label.set_text(this._labelText);
this.label.opacity = 0;
this.label.show();
let [stageX, stageY] = this.get_transformed_position();
let node = this.label.get_theme_node();
let itemWidth = this.allocation.x2 - this.allocation.x1;
let itemHeight = this.allocation.y2 - this.allocation.y1;
let labelWidth = this.label.get_width();