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panel.js
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panel.js
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/*
* This file is part of the Zorin Taskbar extension for Zorin OS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Credits:
* This file is based on code from the Dash to Dock extension by micheleg
* and code from the Dash to Panel extension
*
* Code to re-anchor the panel was taken from Thoma5 BottomPanel:
* https://github.com/Thoma5/gnome-shell-extension-bottompanel
*
* Pattern for moving clock based on Frippery Move Clock by R M Yorston
* http://frippery.org/extensions/
*
* Some code was also adapted from the upstream Gnome Shell source code.
*/
const Me = imports.misc.extensionUtils.getCurrentExtension();
const Clutter = imports.gi.Clutter;
const Config = imports.misc.config;
const Gtk = imports.gi.Gtk;
const GObject = imports.gi.GObject;
const Gi = imports._gi;
const Gio = imports.gi.Gio;
const AppIcons = Me.imports.appIcons;
const Utils = Me.imports.utils;
const { Taskbar, TaskbarItemContainer } = Me.imports.taskbar;
const Pos = Me.imports.panelPositions;
const PanelSettings = Me.imports.panelSettings;
const { PanelStyle } = Me.imports.panelStyle;
const Main = imports.ui.main;
const Mainloop = imports.mainloop;
const Dash = imports.ui.dash;
const CtrlAltTab = imports.ui.ctrlAltTab;
const GSPanel = imports.ui.panel;
const PanelMenu = imports.ui.panelMenu;
const St = imports.gi.St;
const GLib = imports.gi.GLib;
const Meta = imports.gi.Meta;
const Pango = imports.gi.Pango;
const DND = imports.ui.dnd;
const Shell = imports.gi.Shell;
const PopupMenu = imports.ui.popupMenu;
const IconGrid = imports.ui.iconGrid;
const DateMenu = imports.ui.dateMenu;
const Volume = imports.ui.status.volume;
const Progress = Me.imports.progress;
const Intellihide = Me.imports.intellihide;
const Transparency = Me.imports.transparency;
const _ = imports.gettext.domain(Me.imports.utils.TRANSLATION_DOMAIN).gettext;
let tracker = Shell.WindowTracker.get_default();
var panelBoxes = ['_leftBox', '_centerBox', '_rightBox'];
var SHOW_DESKTOP_ICON = Me.path + '/img/show-desktop-symbolic.svg';
//timeout names
const T2 = 'startIntellihideTimeout';
const T4 = 'showDesktopTimeout';
const T5 = 'trackerFocusAppTimeout';
const T6 = 'waitPanelBoxAllocation';
const SHOW_SHOWDESKTOP_DELAY = 1000;
const SHOW_SHOWDESKTOP_TIME = 200;
const FLOATING_MARGIN = 8;
var Panel = GObject.registerClass({
}, class Panel extends St.Widget {
_init(panelManager, monitor, panelBox, isStandalone) {
super._init({ layout_manager: new Clutter.BinLayout() });
this._timeoutsHandler = new Utils.TimeoutsHandler();
this._signalsHandler = new Utils.GlobalSignalsHandler();
this.panelManager = panelManager;
this.panelStyle = new PanelStyle();
this.monitor = monitor;
this.panelBox = panelBox;
// when the original gnome-shell top panel is kept, all panels are "standalone",
// so in this case use isPrimary to get the panel on the primary dtp monitor, which
// might be different from the system's primary monitor.
this.isStandalone = isStandalone;
this.isPrimary = !isStandalone || (Me.settings.get_boolean('stockgs-keep-top-panel') &&
monitor == panelManager.dtpPrimaryMonitor);
this._sessionStyle = null;
this._unmappedButtons = [];
this._elementGroups = [];
let systemMenuInfo = Utils.getSystemMenuInfo();
if (isStandalone) {
this.panel = new SecondaryPanel({ name: 'panel', reactive: true });
this.statusArea = this.panel.statusArea = {};
//next 3 functions are needed by other extensions to add elements to the secondary panel
this.panel.addToStatusArea = function(role, indicator, position, box) {
return Main.panel.addToStatusArea.call(this, role, indicator, position, box);
};
this.panel._addToPanelBox = function(role, indicator, position, box) {
Main.panel._addToPanelBox.call(this, role, indicator, position, box);
};
this.panel._onMenuSet = function(indicator) {
Main.panel._onMenuSet.call(this, indicator);
};
this._leftBox = this.panel._leftBox = new St.BoxLayout({ name: 'panelLeft' });
this._centerBox = this.panel._centerBox = new St.BoxLayout({ name: 'panelCenter' });
this._rightBox = this.panel._rightBox = new St.BoxLayout({ name: 'panelRight' });
this.menuManager = this.panel.menuManager = new PopupMenu.PopupMenuManager(this.panel);
this._setPanelMenu(systemMenuInfo.name, systemMenuInfo.constructor, this.panel);
this._setPanelMenu('dateMenu', DateMenu.DateMenuButton, this.panel);
this._setPanelMenu('activities', GSPanel.ActivitiesButton, this.panel);
this.panel.add_child(this._leftBox);
this.panel.add_child(this._centerBox);
this.panel.add_child(this._rightBox);
} else {
this.panel = Main.panel;
this.statusArea = Main.panel.statusArea;
this.menuManager = Main.panel.menuManager;
panelBoxes.forEach(p => this[p] = Main.panel[p]);
['activities', systemMenuInfo.name, 'dateMenu'].forEach(b => {
let container = this.statusArea[b].container;
let parent = container.get_parent();
container._dtpOriginalParent = parent;
parent ? parent.remove_child(container) : null;
this.panel.add_child(container);
});
}
// Create a wrapper around the real showAppsIcon in order to add a popupMenu. Most of
// its behavior is handled by the taskbar, but its positioning is done at the panel level
this.showAppsIconWrapper = new AppIcons.ShowAppsIconWrapper(this);
this.panel.add_child(this.showAppsIconWrapper.realShowAppsIcon);
this.panel._delegate = this;
this.add_child(this.panel);
if (Main.panel._onButtonPress || Main.panel._tryDragWindow) {
this._signalsHandler.add([
this.panel,
[
'button-press-event',
'touch-event'
],
this._onButtonPress.bind(this)
]);
}
if (Main.panel._onKeyPress) {
this._signalsHandler.add([this.panel, 'key-press-event', Main.panel._onKeyPress.bind(this)]);
}
Main.ctrlAltTabManager.addGroup(this, _("Top Bar")+" "+ monitor.index, 'focus-top-bar-symbolic',
{ sortGroup: CtrlAltTab.SortGroup.TOP });
}
enable () {
let { name: systemMenuName } = Utils.getSystemMenuInfo();
if (this.statusArea[systemMenuName]) {
Utils.getIndicators(this.statusArea[systemMenuName]._volume)._dtpIgnoreScroll = 1;
}
this.geom = this.getGeometry();
this._setPanelPosition();
if (!this.isStandalone) {
Utils.hookVfunc(Object.getPrototypeOf(this.panel), 'allocate', (box) => this._mainPanelAllocate(box));
// remove the extra space before the clock when the message-indicator is displayed
if (DateMenu.IndicatorPad) {
Utils.hookVfunc(DateMenu.IndicatorPad.prototype, 'get_preferred_width', () => [0,0]);
Utils.hookVfunc(DateMenu.IndicatorPad.prototype, 'get_preferred_height', () => [0,0]);
}
}
if (!DateMenu.IndicatorPad && this.statusArea.dateMenu) {
//3.36 switched to a size constraint applied on an anonymous child
let indicatorPad = this.statusArea.dateMenu.get_first_child().get_first_child();
this._dateMenuIndicatorPadContraints = indicatorPad.get_constraints();
indicatorPad.clear_constraints();
}
this.menuManager._oldChangeMenu = this.menuManager._changeMenu;
this.menuManager._changeMenu = (menu) => {
if (!Me.settings.get_boolean('stockgs-panelbtn-click-only')) {
this.menuManager._oldChangeMenu(menu);
}
};
this.dynamicTransparency = new Transparency.DynamicTransparency(this);
this.taskbar = new Taskbar(this);
this.panel.add_child(this.taskbar.actor);
this._setAppmenuVisible(false);
this._setShowDesktopButton(true);
this._setAllocationMap();
this.panel.add_style_class_name('zorintaskbarMainPanel ' + this.getOrientation());
this._timeoutsHandler.add([T2, Intellihide.INTELLIHIDE_ENABLE_START_DELAY, () => this.intellihide = new Intellihide.Intellihide(this)]);
this._signalsHandler.add(
// this is to catch changes to the theme or window scale factor
[
Utils.getStageTheme(),
'changed',
() => (this._resetGeometry(), this._setShowDesktopButtonStyle()),
],
[
// sync hover after a popupmenu is closed
this.taskbar,
'menu-closed',
() => this.panel.sync_hover()
],
[
Main.overview,
[
'showing',
'hiding'
],
() => this._adjustForOverview()
],
[
Main.overview,
'hidden',
() => {
if (this.isPrimary) {
//reset the primary monitor when exiting the overview
this.panelManager.setFocusedMonitor(this.monitor);
}
}
],
[
this.statusArea.activities,
'captured-event',
(actor, e) => {
if (e.type() == Clutter.EventType.BUTTON_PRESS || e.type() == Clutter.EventType.TOUCH_BEGIN) {
//temporarily use as primary the monitor on which the activities btn was clicked
this.panelManager.setFocusedMonitor(this.monitor);
}
}
],
[
this._centerBox,
'actor-added',
() => this._onBoxActorAdded(this._centerBox)
],
[
this._rightBox,
'actor-added',
() => this._onBoxActorAdded(this._rightBox)
],
[
Main.layoutManager,
'startup-complete',
() => this._resetGeometry()
]
);
this._bindSettingsChanges();
this.panelStyle.enable(this);
if (this.checkIfVertical()) {
this._signalsHandler.add([
this.panelBox,
'notify::visible',
() => {
if (this.panelBox.visible) {
this._refreshVerticalAlloc();
}
}
]);
if (this.statusArea.dateMenu) {
this._formatVerticalClock();
this._signalsHandler.add([
this.statusArea.dateMenu._clock,
'notify::clock',
() => this._formatVerticalClock()
]);
}
}
// Since we are usually visible but not usually changing, make sure
// most repaint requests don't actually require us to repaint anything.
// This saves significant CPU when repainting the screen.
this.set_offscreen_redirect(Clutter.OffscreenRedirect.ALWAYS);
this._initProgressManager();
}
disable() {
this.panelStyle.disable();
this._timeoutsHandler.destroy();
this._signalsHandler.destroy();
this.panel.remove_child(this.taskbar.actor);
this._setAppmenuVisible(false);
if (this.intellihide) {
this.intellihide.destroy();
}
this.dynamicTransparency.destroy();
this.progressManager.destroy();
this.taskbar.destroy();
this.showAppsIconWrapper.destroy();
this.menuManager._changeMenu = this.menuManager._oldChangeMenu;
this._unmappedButtons.forEach(a => this._disconnectVisibleId(a));
if (this.statusArea.dateMenu) {
this.statusArea.dateMenu._clockDisplay.text = this.statusArea.dateMenu._clock.clock;
this.statusArea.dateMenu._clockDisplay.clutter_text.set_width(-1);
if (this._dateMenuIndicatorPadContraints) {
let indicatorPad = this.statusArea.dateMenu.get_first_child().get_first_child();
this._dateMenuIndicatorPadContraints.forEach(c => indicatorPad.add_constraint(c));
}
}
this._setVertical(this.panel, false);
this._setVertical(this._centerBox, false);
this._setVertical(this._rightBox, false);
let { name: systemMenuName } = Utils.getSystemMenuInfo();
if (!this.isStandalone) {
['vertical', 'horizontal', 'zorintaskbarMainPanel'].forEach(c => this.panel.remove_style_class_name(c));
if (!Main.sessionMode.isLocked) {
[['activities', 0], [systemMenuName, -1], ['dateMenu', 0]].forEach(b => {
let container = this.statusArea[b[0]].container;
let originalParent = container._dtpOriginalParent;
this.panel.remove_child(container);
originalParent ? originalParent.insert_child_at_index(container, b[1]) : null;
delete container._dtpOriginalParent;
});
}
this._setShowDesktopButton(false);
delete Utils.getIndicators(this.statusArea[systemMenuName]._volume)._dtpIgnoreScroll;
if (DateMenu.IndicatorPad) {
Utils.hookVfunc(DateMenu.IndicatorPad.prototype, 'get_preferred_width', DateMenu.IndicatorPad.prototype.vfunc_get_preferred_width);
Utils.hookVfunc(DateMenu.IndicatorPad.prototype, 'get_preferred_height', DateMenu.IndicatorPad.prototype.vfunc_get_preferred_height);
}
Utils.hookVfunc(Object.getPrototypeOf(this.panel), 'allocate', Object.getPrototypeOf(this.panel).vfunc_allocate);
this.panel._delegate = this.panel;
} else {
this._removePanelMenu('dateMenu');
this._removePanelMenu(systemMenuName);
this._removePanelMenu('activities');
}
Main.ctrlAltTabManager.removeGroup(this);
}
handleDragOver(source, actor, x, y, time) {
if (source == Main.xdndHandler) {
// open overview so they can choose a window for focusing
// and ultimately dropping dragged item onto
if(Main.overview.shouldToggleByCornerOrButton())
Main.overview.show();
}
return DND.DragMotionResult.CONTINUE;
}
getPosition() {
let position = PanelSettings.getPanelPosition(Me.settings, this.monitor.index);
if (position == Pos.TOP) {
return St.Side.TOP;
} else if (position == Pos.RIGHT) {
return St.Side.RIGHT;
} else if (position == Pos.BOTTOM) {
return St.Side.BOTTOM;
}
return St.Side.LEFT;
}
checkIfVertical() {
let position = this.getPosition();
return (position == St.Side.LEFT || position == St.Side.RIGHT);
}
getOrientation() {
return (this.checkIfVertical() ? 'vertical' : 'horizontal');
}
updateElementPositions() {
let panelPositions = this.panelManager.panelsElementPositions[this.monitor.index] || Pos.defaults;
this._updateGroupedElements(panelPositions);
this.panel.hide();
this.panel.show();
}
_updateGroupedElements(panelPositions) {
let previousPosition = 0;
let previousCenteredPosition = 0;
let currentGroup = -1;
this._elementGroups = [];
panelPositions.forEach(pos => {
let allocationMap = this.allocationMap[pos.element];
if (allocationMap.actor) {
allocationMap.actor.visible = pos.visible;
if (!pos.visible) {
return;
}
let currentPosition = pos.position;
let isCentered = Pos.checkIfCentered(currentPosition);
if (currentPosition == Pos.STACKED_TL && previousPosition == Pos.STACKED_BR) {
currentPosition = Pos.STACKED_BR;
}
if (!previousPosition ||
(previousPosition == Pos.STACKED_TL && currentPosition != Pos.STACKED_TL) ||
(previousPosition != Pos.STACKED_BR && currentPosition == Pos.STACKED_BR) ||
(isCentered && previousPosition != currentPosition && previousPosition != Pos.STACKED_BR)) {
this._elementGroups[++currentGroup] = { elements: [], index: this._elementGroups.length, expandableIndex: -1 };
previousCenteredPosition = 0;
}
if (pos.element == Pos.TASKBAR) {
this._elementGroups[currentGroup].expandableIndex = this._elementGroups[currentGroup].elements.length;
}
if (isCentered && !this._elementGroups[currentGroup].isCentered) {
this._elementGroups[currentGroup].isCentered = 1;
previousCenteredPosition = currentPosition;
}
this._elementGroups[currentGroup].position = previousCenteredPosition || currentPosition;
this._elementGroups[currentGroup].elements.push(allocationMap);
allocationMap.position = currentPosition;
previousPosition = currentPosition;
}
});
}
_bindSettingsChanges() {
let isVertical = this.checkIfVertical();
this._signalsHandler.add(
[
Me.settings,
[
'changed::panel-sizes',
'changed::group-apps'
],
() => this._resetGeometry()
],
[
Me.settings,
[
'changed::showdesktop-button-width',
'changed::show-showdesktop-icon'
],
() => this._setShowDesktopButtonStyle()
],
[
Me.desktopSettings,
'changed::clock-format',
() => {
this._clockFormat = null;
if (isVertical) {
this._formatVerticalClock();
}
}
],
[
Me.settings,
'changed::progress-show-bar',
() => this._initProgressManager()
],
[
Me.settings,
'changed::progress-show-count',
() => this._initProgressManager()
]
);
if (isVertical) {
this._signalsHandler.add([Me.settings, 'changed::group-apps-label-max-width', () => this._resetGeometry()]);
}
}
_setPanelMenu(propName, constr, container) {
if (!this.statusArea[propName]) {
this.statusArea[propName] = this._getPanelMenu(propName, constr);
this.menuManager.addMenu(this.statusArea[propName].menu);
container.insert_child_at_index(this.statusArea[propName].container, 0);
}
}
_removePanelMenu(propName) {
if (this.statusArea[propName]) {
let parent = this.statusArea[propName].container.get_parent();
if (parent) {
parent.remove_actor(this.statusArea[propName].container);
}
//calling this.statusArea[propName].destroy(); is buggy for now, gnome-shell never
//destroys those panel menus...
//since we can't destroy the menu (hence properly disconnect its signals), let's
//store it so the next time a panel needs one of its kind, we can reuse it instead
//of creating a new one
let panelMenu = this.statusArea[propName];
this.menuManager.removeMenu(panelMenu.menu);
Me.persistentStorage[propName].push(panelMenu);
this.statusArea[propName] = null;
}
}
_getPanelMenu(propName, constr) {
Me.persistentStorage[propName] = Me.persistentStorage[propName] || [];
if (!Me.persistentStorage[propName].length) {
Me.persistentStorage[propName].push(new constr());
}
return Me.persistentStorage[propName].pop();
}
_adjustForOverview() {
let isFocusedMonitor = this.panelManager.checkIfFocusedMonitor(this.monitor);
let isOverview = !!Main.overview.visibleTarget;
let isOverviewFocusedMonitor = isOverview && isFocusedMonitor;
let isShown = !isOverview || isOverviewFocusedMonitor;
let actorData = Utils.getTrackedActorData(this.panelBox)
// prevent the "chrome" to update the panelbox visibility while in overview
actorData.trackFullscreen = !isOverview
this.panelBox[isShown ? 'show' : 'hide']();
}
_resetGeometry() {
this.geom = this.getGeometry();
this._setPanelPosition();
this.taskbar.resetAppIcons(true);
this.dynamicTransparency.updateExternalStyle();
if (this.intellihide && this.intellihide.enabled) {
this.intellihide.reset();
}
if (this.checkIfVertical()) {
this.showAppsIconWrapper.realShowAppsIcon.toggleButton.set_width(this.geom.w);
this._refreshVerticalAlloc();
}
}
getGeometry() {
let scaleFactor = Utils.getScaleFactor();
let panelBoxTheme = this.panelBox.get_theme_node();
let lrPadding = panelBoxTheme.get_padding(St.Side.RIGHT) + panelBoxTheme.get_padding(St.Side.LEFT);
let topPadding = panelBoxTheme.get_padding(St.Side.TOP);
let tbPadding = topPadding + panelBoxTheme.get_padding(St.Side.BOTTOM);
let position = this.getPosition();
let length = PanelSettings.getPanelLength(Me.settings, this.monitor.index) / 100;
let anchor = PanelSettings.getPanelAnchor(Me.settings, this.monitor.index);
let anchorPlaceOnMonitor = 0;
let gsTopPanelOffset = 0;
let x = 0, y = 0;
let w = 0, h = 0;
const panelSize = PanelSettings.getPanelSize(Me.settings, this.monitor.index);
this.dtpSize = panelSize * scaleFactor;
if (Me.settings.get_boolean('stockgs-keep-top-panel') && Main.layoutManager.primaryMonitor == this.monitor) {
gsTopPanelOffset = Main.layoutManager.panelBox.height - topPadding;
}
if (this.checkIfVertical()) {
if (!Me.settings.get_boolean('group-apps')) {
// add window title width and side padding of _dtpIconContainer when vertical
this.dtpSize += Me.settings.get_int('group-apps-label-max-width') + AppIcons.DEFAULT_PADDING_SIZE * 2 / scaleFactor;
}
this.sizeFunc = 'get_preferred_height',
this.fixedCoord = { c1: 'x1', c2: 'x2' }
this.varCoord = { c1: 'y1', c2: 'y2' };
w = this.dtpSize;
h = this.monitor.height * length - tbPadding - gsTopPanelOffset;
} else {
this.sizeFunc = 'get_preferred_width';
this.fixedCoord = { c1: 'y1', c2: 'y2' };
this.varCoord = { c1: 'x1', c2: 'x2' };
w = this.monitor.width * length - lrPadding;
h = this.dtpSize;
}
if (position == St.Side.TOP || position == St.Side.LEFT) {
x = this.monitor.x;
y = this.monitor.y + gsTopPanelOffset;
} else if (position == St.Side.RIGHT) {
x = this.monitor.x + this.monitor.width - this.dtpSize - lrPadding;
y = this.monitor.y + gsTopPanelOffset;
} else { //BOTTOM
x = this.monitor.x;
y = this.monitor.y + this.monitor.height - this.dtpSize - tbPadding;
}
if (this.checkIfVertical()) {
let viewHeight = this.monitor.height - gsTopPanelOffset;
if (anchor === Pos.MIDDLE) {
anchorPlaceOnMonitor = (viewHeight - h) / 2;
} else if (anchor === Pos.END) {
anchorPlaceOnMonitor = viewHeight - h;
} else { // Pos.START
anchorPlaceOnMonitor = 0;
}
y = y + anchorPlaceOnMonitor;
} else {
if (anchor === Pos.MIDDLE) {
anchorPlaceOnMonitor = (this.monitor.width - w) / 2;
} else if (anchor === Pos.END) {
anchorPlaceOnMonitor = this.monitor.width - w;
} else { // Pos.START
anchorPlaceOnMonitor = 0;
}
x = x + anchorPlaceOnMonitor;
}
if (Me.settings.get_boolean('intellihide') &&
Me.settings.get_boolean('intellihide-floating-rounded-theme')) {
if (position == St.Side.BOTTOM || position == St.Side.TOP) {
x -= FLOATING_MARGIN;
} else { // LEFT or RIGHT
y -= FLOATING_MARGIN;
}
}
return {
x, y,
w, h,
lrPadding,
tbPadding,
position
};
}
_setAllocationMap() {
this.allocationMap = {};
let setMap = (name, actor) => this.allocationMap[name] = {
actor: actor,
box: new Clutter.ActorBox()
};
setMap(Pos.SHOW_APPS_BTN, this.showAppsIconWrapper.realShowAppsIcon);
setMap(Pos.ACTIVITIES_BTN, this.statusArea.activities ? this.statusArea.activities.container : 0);
setMap(Pos.LEFT_BOX, this._leftBox);
setMap(Pos.TASKBAR, this.taskbar.actor);
setMap(Pos.CENTER_BOX, this._centerBox);
setMap(Pos.DATE_MENU, this.statusArea.dateMenu.container);
setMap(Pos.SYSTEM_MENU, this.statusArea[Utils.getSystemMenuInfo().name].container);
setMap(Pos.RIGHT_BOX, this._rightBox);
setMap(Pos.DESKTOP_BTN, this._showDesktopButton);
}
_mainPanelAllocate(box) {
this.panel.set_allocation(box);
}
vfunc_allocate(box) {
this.set_allocation(box);
let fixed = 0;
let centeredMonitorGroup;
let panelAlloc = new Clutter.ActorBox({ x1: 0, y1: 0, x2: this.geom.w, y2: this.geom.h });
let assignGroupSize = (group, update) => {
group.size = 0;
group.tlOffset = 0;
group.brOffset = 0;
group.elements.forEach(element => {
if (!update) {
element.box[this.fixedCoord.c1] = panelAlloc[this.fixedCoord.c1];
element.box[this.fixedCoord.c2] = panelAlloc[this.fixedCoord.c2];
element.natSize = element.actor[this.sizeFunc](-1)[1];
}
if (!group.isCentered || Pos.checkIfCentered(element.position)) {
group.size += element.natSize;
} else if (element.position == Pos.STACKED_TL) {
group.tlOffset += element.natSize;
} else { // Pos.STACKED_BR
group.brOffset += element.natSize;
}
});
if (group.isCentered) {
group.size += Math.max(group.tlOffset, group.brOffset) * 2;
group.tlOffset = Math.max(group.tlOffset - group.brOffset, 0);
}
};
let allocateGroup = (group, tlLimit, brLimit) => {
let startPosition = tlLimit;
let currentPosition = 0;
if (group.expandableIndex >= 0) {
let availableSize = brLimit - tlLimit;
let expandable = group.elements[group.expandableIndex];
let i = 0;
let l = this._elementGroups.length;
let tlSize = 0;
let brSize = 0;
if (centeredMonitorGroup && (centeredMonitorGroup != group || expandable.position != Pos.CENTERED_MONITOR)) {
if (centeredMonitorGroup.index < group.index || (centeredMonitorGroup == group && expandable.position == Pos.STACKED_TL)) {
i = centeredMonitorGroup.index;
} else {
l = centeredMonitorGroup.index;
}
}
for (; i < l; ++i) {
let refGroup = this._elementGroups[i];
if (i < group.index && (!refGroup.fixed || refGroup[this.varCoord.c2] > tlLimit)) {
tlSize += refGroup.size;
} else if (i > group.index && (!refGroup.fixed || refGroup[this.varCoord.c1] < brLimit)) {
brSize += refGroup.size;
}
}
if (group.isCentered) {
availableSize -= Math.max(tlSize, brSize) * 2;
} else {
availableSize -= tlSize + brSize;
}
if (availableSize < group.size) {
expandable.natSize -= (group.size - availableSize) * (group.isCentered && !Pos.checkIfCentered(expandable.position) ? .5 : 1);
assignGroupSize(group, true);
}
}
if (group.isCentered) {
startPosition = tlLimit + (brLimit - tlLimit - group.size) * .5;
} else if (group.position == Pos.STACKED_BR) {
startPosition = brLimit - group.size;
}
currentPosition = group.tlOffset + startPosition;
group.elements.forEach(element => {
element.box[this.varCoord.c1] = Math.round(currentPosition);
element.box[this.varCoord.c2] = Math.round((currentPosition += element.natSize));
element.actor.allocate(element.box);
});
group[this.varCoord.c1] = startPosition;
group[this.varCoord.c2] = currentPosition;
group.fixed = 1;
++fixed;
};
this.panel.allocate(panelAlloc);
this._elementGroups.forEach(group => {
group.fixed = 0;
assignGroupSize(group);
if (group.position == Pos.CENTERED_MONITOR) {
centeredMonitorGroup = group;
}
});
if (centeredMonitorGroup) {
allocateGroup(centeredMonitorGroup, panelAlloc[this.varCoord.c1], panelAlloc[this.varCoord.c2]);
}
let iterations = 0; //failsafe
while (fixed < this._elementGroups.length && ++iterations < 10) {
for (let i = 0, l = this._elementGroups.length; i < l; ++i) {
let group = this._elementGroups[i];
if (group.fixed) {
continue;
}
let prevGroup = this._elementGroups[i - 1];
let nextGroup = this._elementGroups[i + 1];
let prevLimit = prevGroup && prevGroup.fixed ? prevGroup[this.varCoord.c2] :
centeredMonitorGroup && group.index > centeredMonitorGroup.index ? centeredMonitorGroup[this.varCoord.c2] : panelAlloc[this.varCoord.c1];
let nextLimit = nextGroup && nextGroup.fixed ? nextGroup[this.varCoord.c1] :
centeredMonitorGroup && group.index < centeredMonitorGroup.index ? centeredMonitorGroup[this.varCoord.c1] : panelAlloc[this.varCoord.c2];
if (group.position == Pos.STACKED_TL) {
allocateGroup(group, panelAlloc[this.varCoord.c1], nextLimit);
} else if (group.position == Pos.STACKED_BR) {
allocateGroup(group, prevLimit, panelAlloc[this.varCoord.c2]);
} else if ((!prevGroup || prevGroup.fixed) && (!nextGroup || nextGroup.fixed)) { // CENTERED
allocateGroup(group, prevLimit, nextLimit);
}
}
}
}
_setPanelPosition() {
let clipContainer = this.panelBox.get_parent();
this.set_size(this.geom.w, this.geom.h);
clipContainer.set_position(this.geom.x, this.geom.y);
this._setVertical(this.panel, this.checkIfVertical());
// styles for theming
Object.keys(St.Side).forEach(p => {
let cssName = 'zorintaskbar' + p.charAt(0) + p.slice(1).toLowerCase();
this.panel[(St.Side[p] == this.geom.position ? 'add' : 'remove') + '_style_class_name'](cssName);
});
this._setPanelClip(clipContainer);
Main.layoutManager._updateHotCorners();
Main.layoutManager._updatePanelBarrier(this);
}
_setPanelClip(clipContainer) {
clipContainer = clipContainer || this.panelBox.get_parent();
this._timeoutsHandler.add([T6, 0, () => Utils.setClip(clipContainer, clipContainer.x, clipContainer.y, this.panelBox.width, this.panelBox.height)]);
}
_onButtonPress(actor, event) {
let type = event.type();
let isPress = type == Clutter.EventType.BUTTON_PRESS;
let button = isPress ? event.get_button() : -1;
let [stageX, stageY] = event.get_coords();
if (button == 3 && global.stage.get_actor_at_pos(Clutter.PickMode.REACTIVE, stageX, stageY) == this.panel) {
//right click on an empty part of the panel, temporarily borrow and display the showapps context menu
Main.layoutManager.setDummyCursorGeometry(stageX, stageY, 0, 0);
this.showAppsIconWrapper.createMenu();
this.showAppsIconWrapper.popupMenu(Main.layoutManager.dummyCursor);
return Clutter.EVENT_STOP;
} else if (Main.modalCount > 0 || event.get_source() != actor ||
(!isPress && type != Clutter.EventType.TOUCH_BEGIN) ||
(isPress && button != 1)) {
return Clutter.EVENT_PROPAGATE;
}
let params = this.checkIfVertical() ? [stageY, 'y', 'height'] : [stageX, 'x', 'width'];
let dragWindow = this._getDraggableWindowForPosition.apply(this, params.concat(['maximized_' + this.getOrientation() + 'ly']));
if (!dragWindow)
return Clutter.EVENT_PROPAGATE;
global.display.begin_grab_op(dragWindow,
Meta.GrabOp.MOVING,
false, /* pointer grab */
true, /* frame action */
button,
event.get_state(),
event.get_time(),
stageX, stageY);
return Clutter.EVENT_STOP;
}
_getDraggableWindowForPosition(stageCoord, coord, dimension, maximizedProp) {
let workspace = Utils.getCurrentWorkspace();
let allWindowsByStacking = global.display.sort_windows_by_stacking(
workspace.list_windows()
).reverse();
return Utils.find(allWindowsByStacking, metaWindow => {
let rect = metaWindow.get_frame_rect();
return metaWindow.get_monitor() == this.monitor.index &&
metaWindow.showing_on_its_workspace() &&
metaWindow.get_window_type() != Meta.WindowType.DESKTOP &&
metaWindow[maximizedProp] &&
stageCoord > rect[coord] && stageCoord < rect[coord] + rect[dimension];
});
}
_onBoxActorAdded(box) {
if (this.checkIfVertical()) {
this._setVertical(box, true);
}
}
_refreshVerticalAlloc() {
this._setVertical(this._centerBox, true);
this._setVertical(this._rightBox, true);
this._formatVerticalClock();
}
_setVertical(actor, isVertical) {
let _set = (actor, isVertical) => {
if (!actor || actor instanceof Dash.DashItemContainer || actor instanceof TaskbarItemContainer) {
return;
}
if (actor instanceof St.BoxLayout) {
actor.vertical = isVertical;
} else if ((actor._delegate || actor) instanceof PanelMenu.ButtonBox && actor != this.statusArea.appMenu) {
let child = actor.get_first_child();
if (isVertical && !actor.visible && !actor._dtpVisibleId) {
this._unmappedButtons.push(actor);
actor._dtpVisibleId = actor.connect('notify::visible', () => {
this._disconnectVisibleId(actor);
this._refreshVerticalAlloc();
});
actor._dtpDestroyId = actor.connect('destroy', () => this._disconnectVisibleId(actor));
}
if (child) {
let [, natWidth] = actor.get_preferred_width(-1);
child.x_align = Clutter.ActorAlign[isVertical ? 'CENTER' : 'START'];
actor.set_width(isVertical ? this.dtpSize : -1);
isVertical = isVertical && (natWidth > this.dtpSize);
actor[(isVertical ? 'add' : 'remove') + '_style_class_name']('vertical');
}
}
actor.get_children().forEach(c => _set(c, isVertical));
};
_set(actor, false);
if (isVertical)
_set(actor, isVertical);
}
_disconnectVisibleId(actor) {
actor.disconnect(actor._dtpVisibleId);