17c46c2452
The last patch in the sequence. Every place that was previously setting prototype has been ported to Lang.Class, to make code more concise and allow for better toString(). https://bugzilla.gnome.org/show_bug.cgi?id=664436
979 lines
36 KiB
JavaScript
979 lines
36 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const Clutter = imports.gi.Clutter;
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const Lang = imports.lang;
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const Mainloop = imports.mainloop;
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const Meta = imports.gi.Meta;
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const Shell = imports.gi.Shell;
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const Signals = imports.signals;
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const St = imports.gi.St;
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const Main = imports.ui.main;
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const Params = imports.misc.params;
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const ScreenSaver = imports.misc.screenSaver;
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const Tweener = imports.ui.tweener;
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const HOT_CORNER_ACTIVATION_TIMEOUT = 0.5;
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const STARTUP_ANIMATION_TIME = 0.2;
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const KEYBOARD_ANIMATION_TIME = 0.5;
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const LayoutManager = new Lang.Class({
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Name: 'LayoutManager',
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_init: function () {
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this._rtl = (St.Widget.get_default_direction() == St.TextDirection.RTL);
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this.monitors = [];
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this.primaryMonitor = null;
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this.primaryIndex = -1;
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this._hotCorners = [];
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this._leftPanelBarrier = 0;
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this._rightPanelBarrier = 0;
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this._trayBarrier = 0;
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this._chrome = new Chrome(this);
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this.panelBox = new St.BoxLayout({ name: 'panelBox',
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vertical: true });
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this.addChrome(this.panelBox, { affectsStruts: true });
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this.panelBox.connect('allocation-changed',
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Lang.bind(this, this._updatePanelBarriers));
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this.trayBox = new St.BoxLayout({ name: 'trayBox' });
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this.addChrome(this.trayBox, { visibleInFullscreen: true });
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this.trayBox.connect('allocation-changed',
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Lang.bind(this, this._updateTrayBarrier));
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this.keyboardBox = new St.BoxLayout({ name: 'keyboardBox',
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reactive: true,
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track_hover: true });
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this.addChrome(this.keyboardBox, { visibleInFullscreen: true });
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this._keyboardHeightNotifyId = 0;
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global.screen.connect('monitors-changed',
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Lang.bind(this, this._monitorsChanged));
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this._monitorsChanged();
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},
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// This is called by Main after everything else is constructed;
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// Chrome.init() needs access to Main.overview, which didn't exist
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// yet when the LayoutManager was constructed.
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init: function() {
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this._chrome.init();
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this._startupAnimation();
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},
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_updateMonitors: function() {
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let screen = global.screen;
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this.monitors = [];
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let nMonitors = screen.get_n_monitors();
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for (let i = 0; i < nMonitors; i++)
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this.monitors.push(screen.get_monitor_geometry(i));
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if (nMonitors == 1) {
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this.primaryIndex = this.bottomIndex = 0;
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} else {
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// If there are monitors below the primary, then we need
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// to split primary from bottom.
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this.primaryIndex = this.bottomIndex = screen.get_primary_monitor();
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for (let i = 0; i < this.monitors.length; i++) {
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let monitor = this.monitors[i];
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if (this._isAboveOrBelowPrimary(monitor)) {
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if (monitor.y > this.monitors[this.bottomIndex].y)
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this.bottomIndex = i;
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}
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}
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}
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this.primaryMonitor = this.monitors[this.primaryIndex];
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this.bottomMonitor = this.monitors[this.bottomIndex];
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},
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_updateHotCorners: function() {
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// destroy old hot corners
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for (let i = 0; i < this._hotCorners.length; i++)
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this._hotCorners[i].destroy();
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this._hotCorners = [];
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// build new hot corners
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for (let i = 0; i < this.monitors.length; i++) {
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if (i == this.primaryIndex)
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continue;
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let monitor = this.monitors[i];
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let cornerX = this._rtl ? monitor.x + monitor.width : monitor.x;
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let cornerY = monitor.y;
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let haveTopLeftCorner = true;
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// Check if we have a top left (right for RTL) corner.
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// I.e. if there is no monitor directly above or to the left(right)
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let besideX = this._rtl ? monitor.x + 1 : cornerX - 1;
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let besideY = cornerY;
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let aboveX = cornerX;
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let aboveY = cornerY - 1;
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for (let j = 0; j < this.monitors.length; j++) {
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if (i == j)
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continue;
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let otherMonitor = this.monitors[j];
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if (besideX >= otherMonitor.x &&
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besideX < otherMonitor.x + otherMonitor.width &&
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besideY >= otherMonitor.y &&
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besideY < otherMonitor.y + otherMonitor.height) {
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haveTopLeftCorner = false;
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break;
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}
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if (aboveX >= otherMonitor.x &&
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aboveX < otherMonitor.x + otherMonitor.width &&
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aboveY >= otherMonitor.y &&
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aboveY < otherMonitor.y + otherMonitor.height) {
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haveTopLeftCorner = false;
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break;
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}
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}
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if (!haveTopLeftCorner)
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continue;
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let corner = new HotCorner();
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this._hotCorners.push(corner);
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corner.actor.set_position(cornerX, cornerY);
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this._chrome.addActor(corner.actor);
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}
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},
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_updateBoxes: function() {
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this.panelBox.set_position(this.primaryMonitor.x, this.primaryMonitor.y);
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this.panelBox.set_size(this.primaryMonitor.width, -1);
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this.keyboardBox.set_position(this.bottomMonitor.x,
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this.bottomMonitor.y + this.bottomMonitor.height);
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this.keyboardBox.set_size(this.bottomMonitor.width, -1);
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this.trayBox.set_position(this.bottomMonitor.x,
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this.bottomMonitor.y + this.bottomMonitor.height);
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this.trayBox.set_size(this.bottomMonitor.width, -1);
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// Set trayBox's clip to show things above it, but not below
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// it (so it's not visible behind the keyboard). The exact
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// height of the clip doesn't matter, as long as it's taller
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// than any Notification.actor.
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this.trayBox.set_clip(0, -this.bottomMonitor.height,
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this.bottomMonitor.width, this.bottomMonitor.height);
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},
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_updatePanelBarriers: function() {
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if (this._leftPanelBarrier)
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global.destroy_pointer_barrier(this._leftPanelBarrier);
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if (this._rightPanelBarrier)
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global.destroy_pointer_barrier(this._rightPanelBarrier);
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if (this.panelBox.height) {
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let primary = this.primaryMonitor;
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this._leftPanelBarrier =
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global.create_pointer_barrier(primary.x, primary.y,
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primary.x, primary.y + this.panelBox.height,
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1 /* BarrierPositiveX */);
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this._rightPanelBarrier =
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global.create_pointer_barrier(primary.x + primary.width, primary.y,
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primary.x + primary.width, primary.y + this.panelBox.height,
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4 /* BarrierNegativeX */);
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} else {
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this._leftPanelBarrier = 0;
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this._rightPanelBarrier = 0;
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}
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},
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_updateTrayBarrier: function() {
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let monitor = this.bottomMonitor;
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if (this._trayBarrier)
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global.destroy_pointer_barrier(this._trayBarrier);
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if (Main.messageTray) {
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this._trayBarrier =
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global.create_pointer_barrier(monitor.x + monitor.width, monitor.y + monitor.height - Main.messageTray.actor.height,
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monitor.x + monitor.width, monitor.y + monitor.height,
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4 /* BarrierNegativeX */);
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} else {
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this._trayBarrier = 0;
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}
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},
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_monitorsChanged: function() {
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this._updateMonitors();
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this._updateBoxes();
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this._updateHotCorners();
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this.emit('monitors-changed');
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},
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_isAboveOrBelowPrimary: function(monitor) {
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let primary = this.monitors[this.primaryIndex];
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let monitorLeft = monitor.x, monitorRight = monitor.x + monitor.width;
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let primaryLeft = primary.x, primaryRight = primary.x + primary.width;
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if ((monitorLeft >= primaryLeft && monitorLeft < primaryRight) ||
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(monitorRight > primaryLeft && monitorRight <= primaryRight) ||
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(primaryLeft >= monitorLeft && primaryLeft < monitorRight) ||
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(primaryRight > monitorLeft && primaryRight <= monitorRight))
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return true;
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return false;
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},
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get focusIndex() {
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let focusWindow = global.display.focus_window;
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if (focusWindow) {
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let wrect = focusWindow.get_outer_rect();
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for (let i = 0; i < this.monitors.length; i++) {
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let monitor = this.monitors[i];
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if (monitor.x <= wrect.x && monitor.y <= wrect.y &&
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monitor.x + monitor.width > wrect.x &&
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monitor.y + monitor.height > wrect.y)
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return i;
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}
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}
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return this.primaryIndex;
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},
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get focusMonitor() {
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return this.monitors[this.focusIndex];
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},
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_startupAnimation: function() {
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// Don't animate the strut
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this._chrome.freezeUpdateRegions();
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this.panelBox.anchor_y = this.panelBox.height;
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Tweener.addTween(this.panelBox,
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{ anchor_y: 0,
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time: STARTUP_ANIMATION_TIME,
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transition: 'easeOutQuad',
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onComplete: this._startupAnimationComplete,
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onCompleteScope: this
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});
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},
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_startupAnimationComplete: function() {
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this._chrome.thawUpdateRegions();
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},
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showKeyboard: function () {
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Main.messageTray.hide();
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this.keyboardBox.raise_top();
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Tweener.addTween(this.keyboardBox,
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{ anchor_y: this.keyboardBox.height,
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time: KEYBOARD_ANIMATION_TIME,
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transition: 'easeOutQuad',
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onComplete: this._showKeyboardComplete,
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onCompleteScope: this
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});
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Tweener.addTween(this.trayBox,
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{ anchor_y: this.keyboardBox.height,
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time: KEYBOARD_ANIMATION_TIME,
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transition: 'easeOutQuad'
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});
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},
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_showKeyboardComplete: function() {
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// Poke Chrome to update the input shape; it doesn't notice
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// anchor point changes
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this._chrome.updateRegions();
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this._keyboardHeightNotifyId = this.keyboardBox.connect('notify::height', Lang.bind(this, function () {
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this.keyboardBox.anchor_y = this.keyboardBox.height;
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this.trayBox.anchor_y = this.keyboardBox.height;
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}));
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},
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hideKeyboard: function (immediate) {
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Main.messageTray.hide();
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if (this._keyboardHeightNotifyId) {
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this.keyboardBox.disconnect(this._keyboardHeightNotifyId);
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this._keyboardHeightNotifyId = 0;
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}
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Tweener.addTween(this.keyboardBox,
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{ anchor_y: 0,
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time: immediate ? 0 : KEYBOARD_ANIMATION_TIME,
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transition: 'easeOutQuad',
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onComplete: this._hideKeyboardComplete,
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onCompleteScope: this
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});
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Tweener.addTween(this.trayBox,
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{ anchor_y: 0,
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time: immediate ? 0 : KEYBOARD_ANIMATION_TIME,
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transition: 'easeOutQuad'
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});
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},
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_hideKeyboardComplete: function() {
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this._chrome.updateRegions();
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},
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// addChrome:
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// @actor: an actor to add to the chrome
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// @params: (optional) additional params
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//
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// Adds @actor to the chrome, and (unless %affectsInputRegion in
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// @params is %false) extends the input region to include it.
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// Changes in @actor's size, position, and visibility will
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// automatically result in appropriate changes to the input
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// region.
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//
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// If %affectsStruts in @params is %true (and @actor is along a
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// screen edge), then @actor's size and position will also affect
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// the window manager struts. Changes to @actor's visibility will
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// NOT affect whether or not the strut is present, however.
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//
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// If %visibleInFullscreen in @params is %true, the actor will be
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// visible even when a fullscreen window should be covering it.
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addChrome: function(actor, params) {
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this._chrome.addActor(actor, params);
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},
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// trackChrome:
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// @actor: a descendant of the chrome to begin tracking
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// @params: parameters describing how to track @actor
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//
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// Tells the chrome to track @actor, which must be a descendant
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// of an actor added via addChrome(). This can be used to extend the
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// struts or input region to cover specific children.
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//
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// @params can have any of the same values as in addChrome(),
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// though some possibilities don't make sense (eg, trying to have
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// a %visibleInFullscreen child of a non-%visibleInFullscreen
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// parent). By default, @actor has the same params as its chrome
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// ancestor.
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trackChrome: function(actor, params) {
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this._chrome.trackActor(actor, params);
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},
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// untrackChrome:
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// @actor: an actor previously tracked via trackChrome()
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//
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// Undoes the effect of trackChrome()
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untrackChrome: function(actor) {
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this._chrome.untrackActor(actor);
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},
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// removeChrome:
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// @actor: a chrome actor
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//
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// Removes @actor from the chrome
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removeChrome: function(actor) {
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this._chrome.removeActor(actor);
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},
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findMonitorForActor: function(actor) {
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return this._chrome.findMonitorForActor(actor);
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}
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});
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Signals.addSignalMethods(LayoutManager.prototype);
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// HotCorner:
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//
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// This class manages a "hot corner" that can toggle switching to
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// overview.
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const HotCorner = new Lang.Class({
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Name: 'HotCorner',
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_init : function() {
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// We use this flag to mark the case where the user has entered the
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// hot corner and has not left both the hot corner and a surrounding
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// guard area (the "environs"). This avoids triggering the hot corner
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// multiple times due to an accidental jitter.
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this._entered = false;
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this.actor = new Clutter.Group({ name: 'hot-corner-environs',
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width: 3,
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height: 3,
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reactive: true });
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this._corner = new Clutter.Rectangle({ name: 'hot-corner',
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width: 1,
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height: 1,
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opacity: 0,
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reactive: true });
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this._corner._delegate = this;
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this.actor.add_actor(this._corner);
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if (St.Widget.get_default_direction() == St.TextDirection.RTL) {
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this._corner.set_position(this.actor.width - this._corner.width, 0);
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this.actor.set_anchor_point_from_gravity(Clutter.Gravity.NORTH_EAST);
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} else {
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this._corner.set_position(0, 0);
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}
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this._activationTime = 0;
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this.actor.connect('leave-event',
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Lang.bind(this, this._onEnvironsLeft));
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// Clicking on the hot corner environs should result in the
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// same behavior as clicking on the hot corner.
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this.actor.connect('button-release-event',
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Lang.bind(this, this._onCornerClicked));
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// In addition to being triggered by the mouse enter event,
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// the hot corner can be triggered by clicking on it. This is
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// useful if the user wants to undo the effect of triggering
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// the hot corner once in the hot corner.
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this._corner.connect('enter-event',
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Lang.bind(this, this._onCornerEntered));
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this._corner.connect('button-release-event',
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Lang.bind(this, this._onCornerClicked));
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this._corner.connect('leave-event',
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Lang.bind(this, this._onCornerLeft));
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// Cache the three ripples instead of dynamically creating and destroying them.
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this._ripple1 = new St.BoxLayout({ style_class: 'ripple-box', opacity: 0 });
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this._ripple2 = new St.BoxLayout({ style_class: 'ripple-box', opacity: 0 });
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this._ripple3 = new St.BoxLayout({ style_class: 'ripple-box', opacity: 0 });
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Main.uiGroup.add_actor(this._ripple1);
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Main.uiGroup.add_actor(this._ripple2);
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Main.uiGroup.add_actor(this._ripple3);
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},
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destroy: function() {
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this.actor.destroy();
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},
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_animRipple : function(ripple, delay, time, startScale, startOpacity, finalScale) {
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// We draw a ripple by using a source image and animating it scaling
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// outwards and fading away. We want the ripples to move linearly
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// or it looks unrealistic, but if the opacity of the ripple goes
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// linearly to zero it fades away too quickly, so we use Tweener's
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// 'onUpdate' to give a non-linear curve to the fade-away and make
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// it more visible in the middle section.
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ripple._opacity = startOpacity;
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if (ripple.get_direction() == St.TextDirection.RTL)
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ripple.set_anchor_point_from_gravity(Clutter.Gravity.NORTH_EAST);
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ripple.visible = true;
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ripple.opacity = 255 * Math.sqrt(startOpacity);
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ripple.scale_x = ripple.scale_y = startScale;
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let [x, y] = this._corner.get_transformed_position();
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ripple.x = x;
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ripple.y = y;
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Tweener.addTween(ripple, { _opacity: 0,
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scale_x: finalScale,
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scale_y: finalScale,
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delay: delay,
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time: time,
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transition: 'linear',
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onUpdate: function() { ripple.opacity = 255 * Math.sqrt(ripple._opacity); },
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onComplete: function() { ripple.visible = false; } });
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},
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rippleAnimation: function() {
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// Show three concentric ripples expanding outwards; the exact
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// parameters were found by trial and error, so don't look
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// for them to make perfect sense mathematically
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// delay time scale opacity => scale
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this._animRipple(this._ripple1, 0.0, 0.83, 0.25, 1.0, 1.5);
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this._animRipple(this._ripple2, 0.05, 1.0, 0.0, 0.7, 1.25);
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this._animRipple(this._ripple3, 0.35, 1.0, 0.0, 0.3, 1);
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},
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handleDragOver: function(source, actor, x, y, time) {
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if (source != Main.xdndHandler)
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return;
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if (!Main.overview.visible && !Main.overview.animationInProgress) {
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this.rippleAnimation();
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Main.overview.showTemporarily();
|
|
Main.overview.beginItemDrag(actor);
|
|
}
|
|
},
|
|
|
|
_onCornerEntered : function() {
|
|
if (!this._entered) {
|
|
this._entered = true;
|
|
if (!Main.overview.animationInProgress) {
|
|
this._activationTime = Date.now() / 1000;
|
|
|
|
this.rippleAnimation();
|
|
Main.overview.toggle();
|
|
}
|
|
}
|
|
return false;
|
|
},
|
|
|
|
_onCornerClicked : function() {
|
|
if (this.shouldToggleOverviewOnClick())
|
|
Main.overview.toggle();
|
|
return true;
|
|
},
|
|
|
|
_onCornerLeft : function(actor, event) {
|
|
if (event.get_related() != this.actor)
|
|
this._entered = false;
|
|
// Consume event, otherwise this will confuse onEnvironsLeft
|
|
return true;
|
|
},
|
|
|
|
_onEnvironsLeft : function(actor, event) {
|
|
if (event.get_related() != this._corner)
|
|
this._entered = false;
|
|
return false;
|
|
},
|
|
|
|
// Checks if the Activities button is currently sensitive to
|
|
// clicks. The first call to this function within the
|
|
// HOT_CORNER_ACTIVATION_TIMEOUT time of the hot corner being
|
|
// triggered will return false. This avoids opening and closing
|
|
// the overview if the user both triggered the hot corner and
|
|
// clicked the Activities button.
|
|
shouldToggleOverviewOnClick: function() {
|
|
if (Main.overview.animationInProgress)
|
|
return false;
|
|
if (this._activationTime == 0 || Date.now() / 1000 - this._activationTime > HOT_CORNER_ACTIVATION_TIMEOUT)
|
|
return true;
|
|
return false;
|
|
}
|
|
});
|
|
|
|
|
|
// This manages the shell "chrome"; the UI that's visible in the
|
|
// normal mode (ie, outside the Overview), that surrounds the main
|
|
// workspace content.
|
|
|
|
const defaultParams = {
|
|
visibleInFullscreen: false,
|
|
affectsStruts: false,
|
|
affectsInputRegion: true
|
|
};
|
|
|
|
const Chrome = new Lang.Class({
|
|
Name: 'Chrome',
|
|
|
|
_init: function(layoutManager) {
|
|
this._layoutManager = layoutManager;
|
|
|
|
this._monitors = [];
|
|
this._inOverview = false;
|
|
this._updateRegionIdle = 0;
|
|
this._freezeUpdateCount = 0;
|
|
|
|
this._trackedActors = [];
|
|
|
|
this._layoutManager.connect('monitors-changed',
|
|
Lang.bind(this, this._relayout));
|
|
global.screen.connect('restacked',
|
|
Lang.bind(this, this._windowsRestacked));
|
|
|
|
// Need to update struts on new workspaces when they are added
|
|
global.screen.connect('notify::n-workspaces',
|
|
Lang.bind(this, this._queueUpdateRegions));
|
|
|
|
this._screenSaverActive = false;
|
|
this._screenSaverProxy = new ScreenSaver.ScreenSaverProxy();
|
|
this._screenSaverProxy.connectSignal('ActiveChanged', Lang.bind(this, function(proxy, senderName, [isActive]) {
|
|
this._onScreenSaverActiveChanged(isActive);
|
|
}));
|
|
this._screenSaverProxy.GetActiveRemote(Lang.bind(this, function(result, err) {
|
|
if (!err)
|
|
this._onScreenSaverActiveChanged(result[0]);
|
|
}));
|
|
|
|
this._relayout();
|
|
},
|
|
|
|
init: function() {
|
|
Main.overview.connect('showing',
|
|
Lang.bind(this, this._overviewShowing));
|
|
Main.overview.connect('hidden',
|
|
Lang.bind(this, this._overviewHidden));
|
|
},
|
|
|
|
addActor: function(actor, params) {
|
|
Main.uiGroup.add_actor(actor);
|
|
this._trackActor(actor, params);
|
|
},
|
|
|
|
trackActor: function(actor, params) {
|
|
let ancestor = actor.get_parent();
|
|
let index = this._findActor(ancestor);
|
|
while (ancestor && index == -1) {
|
|
ancestor = ancestor.get_parent();
|
|
index = this._findActor(ancestor);
|
|
}
|
|
if (!ancestor)
|
|
throw new Error('actor is not a descendent of a chrome actor');
|
|
|
|
let ancestorData = this._trackedActors[index];
|
|
if (!params)
|
|
params = {};
|
|
// We can't use Params.parse here because we want to drop
|
|
// the extra values like ancestorData.actor
|
|
for (let prop in defaultParams) {
|
|
if (!params.hasOwnProperty(prop))
|
|
params[prop] = ancestorData[prop];
|
|
}
|
|
|
|
this._trackActor(actor, params);
|
|
},
|
|
|
|
untrackActor: function(actor) {
|
|
this._untrackActor(actor);
|
|
},
|
|
|
|
removeActor: function(actor) {
|
|
Main.uiGroup.remove_actor(actor);
|
|
this._untrackActor(actor);
|
|
},
|
|
|
|
_findActor: function(actor) {
|
|
for (let i = 0; i < this._trackedActors.length; i++) {
|
|
let actorData = this._trackedActors[i];
|
|
if (actorData.actor == actor)
|
|
return i;
|
|
}
|
|
return -1;
|
|
},
|
|
|
|
_trackActor: function(actor, params) {
|
|
if (this._findActor(actor) != -1)
|
|
throw new Error('trying to re-track existing chrome actor');
|
|
|
|
let actorData = Params.parse(params, defaultParams);
|
|
actorData.actor = actor;
|
|
actorData.isToplevel = actor.get_parent() == Main.uiGroup;
|
|
actorData.visibleId = actor.connect('notify::visible',
|
|
Lang.bind(this, this._queueUpdateRegions));
|
|
actorData.allocationId = actor.connect('notify::allocation',
|
|
Lang.bind(this, this._queueUpdateRegions));
|
|
actorData.parentSetId = actor.connect('parent-set',
|
|
Lang.bind(this, this._actorReparented));
|
|
// Note that destroying actor will unset its parent, so we don't
|
|
// need to connect to 'destroy' too.
|
|
|
|
this._trackedActors.push(actorData);
|
|
this._queueUpdateRegions();
|
|
},
|
|
|
|
_untrackActor: function(actor) {
|
|
let i = this._findActor(actor);
|
|
|
|
if (i == -1)
|
|
return;
|
|
let actorData = this._trackedActors[i];
|
|
|
|
this._trackedActors.splice(i, 1);
|
|
actor.disconnect(actorData.visibleId);
|
|
actor.disconnect(actorData.allocationId);
|
|
actor.disconnect(actorData.parentSetId);
|
|
|
|
this._queueUpdateRegions();
|
|
},
|
|
|
|
_actorReparented: function(actor, oldParent) {
|
|
let newParent = actor.get_parent();
|
|
if (!newParent)
|
|
this._untrackActor(actor);
|
|
else
|
|
actorData.isToplevel = (newParent == Main.uiGroup);
|
|
},
|
|
|
|
_updateVisibility: function() {
|
|
for (let i = 0; i < this._trackedActors.length; i++) {
|
|
let actorData = this._trackedActors[i], visible;
|
|
if (!actorData.isToplevel)
|
|
continue;
|
|
|
|
if (this._screenSaverActive)
|
|
visible = false;
|
|
else if (this._inOverview)
|
|
visible = true;
|
|
else if (!actorData.visibleInFullscreen &&
|
|
this.findMonitorForActor(actorData.actor).inFullscreen)
|
|
visible = false;
|
|
else
|
|
visible = true;
|
|
Main.uiGroup.set_skip_paint(actorData.actor, !visible);
|
|
}
|
|
},
|
|
|
|
_overviewShowing: function() {
|
|
this._inOverview = true;
|
|
this._updateVisibility();
|
|
this._queueUpdateRegions();
|
|
},
|
|
|
|
_overviewHidden: function() {
|
|
this._inOverview = false;
|
|
this._updateVisibility();
|
|
this._queueUpdateRegions();
|
|
},
|
|
|
|
_relayout: function() {
|
|
this._monitors = this._layoutManager.monitors;
|
|
this._primaryMonitor = this._layoutManager.primaryMonitor;
|
|
|
|
this._updateFullscreen();
|
|
this._updateVisibility();
|
|
this._queueUpdateRegions();
|
|
},
|
|
|
|
_onScreenSaverActiveChanged: function(screenSaverActive) {
|
|
this._screenSaverActive = screenSaverActive;
|
|
this._updateVisibility();
|
|
this._queueUpdateRegions();
|
|
},
|
|
|
|
_findMonitorForRect: function(x, y, w, h) {
|
|
// First look at what monitor the center of the rectangle is at
|
|
let cx = x + w/2;
|
|
let cy = y + h/2;
|
|
for (let i = 0; i < this._monitors.length; i++) {
|
|
let monitor = this._monitors[i];
|
|
if (cx >= monitor.x && cx < monitor.x + monitor.width &&
|
|
cy >= monitor.y && cy < monitor.y + monitor.height)
|
|
return monitor;
|
|
}
|
|
// If the center is not on a monitor, return the first overlapping monitor
|
|
for (let i = 0; i < this._monitors.length; i++) {
|
|
let monitor = this._monitors[i];
|
|
if (x + w > monitor.x && x < monitor.x + monitor.width &&
|
|
y + h > monitor.y && y < monitor.y + monitor.height)
|
|
return monitor;
|
|
}
|
|
// otherwise on no monitor
|
|
return null;
|
|
},
|
|
|
|
_findMonitorForWindow: function(window) {
|
|
return this._findMonitorForRect(window.x, window.y, window.width, window.height);
|
|
},
|
|
|
|
// This call guarantees that we return some monitor to simplify usage of it
|
|
// In practice all tracked actors should be visible on some monitor anyway
|
|
findMonitorForActor: function(actor) {
|
|
let [x, y] = actor.get_transformed_position();
|
|
let [w, h] = actor.get_transformed_size();
|
|
let monitor = this._findMonitorForRect(x, y, w, h);
|
|
if (monitor)
|
|
return monitor;
|
|
return this._primaryMonitor; // Not on any monitor, pretend its on the primary
|
|
},
|
|
|
|
_queueUpdateRegions: function() {
|
|
if (!this._updateRegionIdle && !this._freezeUpdateCount)
|
|
this._updateRegionIdle = Mainloop.idle_add(Lang.bind(this, this.updateRegions),
|
|
Meta.PRIORITY_BEFORE_REDRAW);
|
|
},
|
|
|
|
freezeUpdateRegions: function() {
|
|
if (this._updateRegionIdle)
|
|
this.updateRegions();
|
|
this._freezeUpdateCount++;
|
|
},
|
|
|
|
thawUpdateRegions: function() {
|
|
this._freezeUpdateCount--;
|
|
this._queueUpdateRegions();
|
|
},
|
|
|
|
_updateFullscreen: function() {
|
|
let windows = Main.getWindowActorsForWorkspace(global.screen.get_active_workspace_index());
|
|
|
|
// Reset all monitors to not fullscreen
|
|
for (let i = 0; i < this._monitors.length; i++)
|
|
this._monitors[i].inFullscreen = false;
|
|
|
|
// Ordinary chrome should be visible unless there is a window
|
|
// with layer FULLSCREEN, or a window with layer
|
|
// OVERRIDE_REDIRECT that covers the whole screen.
|
|
// ('override_redirect' is not actually a layer above all
|
|
// other windows, but this seems to be how mutter treats it
|
|
// currently...) If we wanted to be extra clever, we could
|
|
// figure out when an OVERRIDE_REDIRECT window was trying to
|
|
// partially overlap us, and then adjust the input region and
|
|
// our clip region accordingly...
|
|
|
|
// @windows is sorted bottom to top.
|
|
|
|
for (let i = windows.length - 1; i > -1; i--) {
|
|
let window = windows[i];
|
|
let layer = window.get_meta_window().get_layer();
|
|
|
|
// Skip minimized windows
|
|
if (!window.showing_on_its_workspace())
|
|
continue;
|
|
|
|
if (layer == Meta.StackLayer.FULLSCREEN) {
|
|
let monitor = this._findMonitorForWindow(window);
|
|
if (monitor)
|
|
monitor.inFullscreen = true;
|
|
}
|
|
if (layer == Meta.StackLayer.OVERRIDE_REDIRECT) {
|
|
// Check whether the window is screen sized
|
|
let isScreenSized =
|
|
(window.x == 0 && window.y == 0 &&
|
|
window.width == global.screen_width &&
|
|
window.height == global.screen_height);
|
|
|
|
if (isScreenSized) {
|
|
for (let i = 0; i < this._monitors.length; i++)
|
|
this._monitors[i].inFullscreen = true;
|
|
}
|
|
|
|
// Or whether it is monitor sized
|
|
let monitor = this._findMonitorForWindow(window);
|
|
if (monitor &&
|
|
window.x <= monitor.x &&
|
|
window.x + window.width >= monitor.x + monitor.width &&
|
|
window.y <= monitor.y &&
|
|
window.y + window.height >= monitor.y + monitor.height)
|
|
monitor.inFullscreen = true;
|
|
} else
|
|
break;
|
|
}
|
|
},
|
|
|
|
_windowsRestacked: function() {
|
|
let wasInFullscreen = [];
|
|
for (let i = 0; i < this._monitors.length; i++)
|
|
wasInFullscreen[i] = this._monitors[i].inFullscreen;
|
|
|
|
this._updateFullscreen();
|
|
|
|
let changed = false;
|
|
for (let i = 0; i < wasInFullscreen.length; i++) {
|
|
if (wasInFullscreen[i] != this._monitors[i].inFullscreen) {
|
|
changed = true;
|
|
break;
|
|
}
|
|
}
|
|
if (changed) {
|
|
this._updateVisibility();
|
|
this._queueUpdateRegions();
|
|
}
|
|
},
|
|
|
|
updateRegions: function() {
|
|
let rects = [], struts = [], i;
|
|
|
|
if (this._updateRegionIdle) {
|
|
Mainloop.source_remove(this._updateRegionIdle);
|
|
delete this._updateRegionIdle;
|
|
}
|
|
|
|
for (i = 0; i < this._trackedActors.length; i++) {
|
|
let actorData = this._trackedActors[i];
|
|
if (!actorData.affectsInputRegion && !actorData.affectsStruts)
|
|
continue;
|
|
|
|
let [x, y] = actorData.actor.get_transformed_position();
|
|
let [w, h] = actorData.actor.get_transformed_size();
|
|
x = Math.round(x);
|
|
y = Math.round(y);
|
|
w = Math.round(w);
|
|
h = Math.round(h);
|
|
let rect = new Meta.Rectangle({ x: x, y: y, width: w, height: h});
|
|
|
|
if (actorData.affectsInputRegion &&
|
|
actorData.actor.get_paint_visibility() &&
|
|
!Main.uiGroup.get_skip_paint(actorData.actor))
|
|
rects.push(rect);
|
|
|
|
if (!actorData.affectsStruts)
|
|
continue;
|
|
|
|
// Limit struts to the size of the screen
|
|
let x1 = Math.max(x, 0);
|
|
let x2 = Math.min(x + w, global.screen_width);
|
|
let y1 = Math.max(y, 0);
|
|
let y2 = Math.min(y + h, global.screen_height);
|
|
|
|
// NetWM struts are not really powerful enought to handle
|
|
// a multi-monitor scenario, they only describe what happens
|
|
// around the outer sides of the full display region. However
|
|
// it can describe a partial region along each side, so
|
|
// we can support having the struts only affect the
|
|
// primary monitor. This should be enough as we only have
|
|
// chrome affecting the struts on the primary monitor so
|
|
// far.
|
|
//
|
|
// Metacity wants to know what side of the screen the
|
|
// strut is considered to be attached to. If the actor is
|
|
// only touching one edge, or is touching the entire
|
|
// border of the primary monitor, then it's obvious which
|
|
// side to call it. If it's in a corner, we pick a side
|
|
// arbitrarily. If it doesn't touch any edges, or it spans
|
|
// the width/height across the middle of the screen, then
|
|
// we don't create a strut for it at all.
|
|
let side;
|
|
let primary = this._primaryMonitor;
|
|
if (x1 <= primary.x && x2 >= primary.x + primary.width) {
|
|
if (y1 <= primary.y)
|
|
side = Meta.Side.TOP;
|
|
else if (y2 >= primary.y + primary.height)
|
|
side = Meta.Side.BOTTOM;
|
|
else
|
|
continue;
|
|
} else if (y1 <= primary.y && y2 >= primary.y + primary.height) {
|
|
if (x1 <= 0)
|
|
side = Meta.Side.LEFT;
|
|
else if (x2 >= global.screen_width)
|
|
side = Meta.Side.RIGHT;
|
|
else
|
|
continue;
|
|
} else if (x1 <= 0)
|
|
side = Meta.Side.LEFT;
|
|
else if (y1 <= 0)
|
|
side = Meta.Side.TOP;
|
|
else if (x2 >= global.screen_width)
|
|
side = Meta.Side.RIGHT;
|
|
else if (y2 >= global.screen_height)
|
|
side = Meta.Side.BOTTOM;
|
|
else
|
|
continue;
|
|
|
|
// Ensure that the strut rects goes all the way to the screen edge,
|
|
// as this really what mutter expects.
|
|
switch (side) {
|
|
case Meta.Side.TOP:
|
|
y1 = 0;
|
|
break;
|
|
case Meta.Side.BOTTOM:
|
|
y2 = global.screen_height;
|
|
break;
|
|
case Meta.Side.LEFT:
|
|
x1 = 0;
|
|
break;
|
|
case Meta.Side.RIGHT:
|
|
x2 = global.screen_width;
|
|
break;
|
|
}
|
|
|
|
let strutRect = new Meta.Rectangle({ x: x1, y: y1, width: x2 - x1, height: y2 - y1});
|
|
let strut = new Meta.Strut({ rect: strutRect, side: side });
|
|
struts.push(strut);
|
|
}
|
|
|
|
global.set_stage_input_region(rects);
|
|
|
|
let screen = global.screen;
|
|
for (let w = 0; w < screen.n_workspaces; w++) {
|
|
let workspace = screen.get_workspace_by_index(w);
|
|
workspace.set_builtin_struts(struts);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
});
|