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panelManager.js
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panelManager.js
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/*
* This file is part of the Dash-To-Panel extension for Gnome 3
*
* 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 Taskbar extension by Zorin OS
*
* 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 Overview = Me.imports.overview;
const Panel = Me.imports.panel;
const Proximity = Me.imports.proximity;
const Taskbar = Me.imports.taskbar;
const Utils = Me.imports.utils;
const Lang = imports.lang;
const Gi = imports._gi;
const Clutter = imports.gi.Clutter;
const Meta = imports.gi.Meta;
const Shell = imports.gi.Shell;
const St = imports.gi.St;
const BoxPointer = imports.ui.boxpointer;
const Dash = imports.ui.dash;
const IconGrid = imports.ui.iconGrid;
const LookingGlass = imports.ui.lookingGlass;
const Main = imports.ui.main;
const PanelMenu = imports.ui.panelMenu;
const Layout = imports.ui.layout;
const WorkspacesView = imports.ui.workspacesView;
var dtpPanelManager = Utils.defineClass({
Name: 'DashToPanel.PanelManager',
_init: function() {
this.overview = new Overview.dtpOverview();
Main.overview.viewSelector.appDisplay._views.forEach(v => Utils.wrapActor(v.view._grid));
},
enable: function(reset) {
let dtpPrimaryIndex = Me.settings.get_int('primary-monitor');
if(dtpPrimaryIndex < 0 || dtpPrimaryIndex >= Main.layoutManager.monitors.length)
dtpPrimaryIndex = Main.layoutManager.primaryIndex;
let dtpPrimaryMonitor = Main.layoutManager.monitors[dtpPrimaryIndex];
this.proximityManager = new Proximity.ProximityManager();
Utils.wrapActor(Main.panel);
Main.panel.actor.hide();
this.primaryPanel = this._createPanel(dtpPrimaryMonitor);
this.allPanels = [ this.primaryPanel ];
this.overview.enable(this.primaryPanel);
if (Me.settings.get_boolean('multi-monitors')) {
Main.layoutManager.monitors.filter(m => m != dtpPrimaryMonitor).forEach(m => {
this.allPanels.push(this._createPanel(m, true));
});
}
global.dashToPanel.panels = this.allPanels;
global.dashToPanel.emit('panels-created');
let panelPosition = Panel.getPosition();
this.allPanels.forEach(p => {
let leftOrRight = (panelPosition == St.Side.LEFT || panelPosition == St.Side.RIGHT);
p.panelBox.set_size(
leftOrRight ? -1 : p.monitor.width,
leftOrRight ? p.monitor.height : -1
);
this._findPanelMenuButtons(p.panelBox).forEach(pmb => this._adjustPanelMenuButton(pmb, p.monitor, panelPosition));
});
//in 3.32, BoxPointer now inherits St.Widget
if (BoxPointer.BoxPointer.prototype.vfunc_get_preferred_height) {
let panelManager = this;
Utils.hookVfunc(BoxPointer.BoxPointer.prototype, 'get_preferred_height', function(forWidth) {
let alloc = { min_size: 0, natural_size: 0 };
[alloc.min_size, alloc.natural_size] = this.vfunc_get_preferred_height(forWidth);
return panelManager._getBoxPointerPreferredHeight(this, alloc);
});
}
this.setFocusedMonitor(dtpPrimaryMonitor);
if (reset) return;
this._oldViewSelectorAnimateIn = Main.overview.viewSelector._animateIn;
Main.overview.viewSelector._animateIn = Lang.bind(this.primaryPanel, newViewSelectorAnimateIn);
this._oldViewSelectorAnimateOut = Main.overview.viewSelector._animateOut;
Main.overview.viewSelector._animateOut = Lang.bind(this.primaryPanel, newViewSelectorAnimateOut);
this._oldUpdatePanelBarrier = Main.layoutManager._updatePanelBarrier;
Main.layoutManager._updatePanelBarrier = (panel) => {
let panelUpdates = panel ? [panel] : this.allPanels;
panelUpdates.forEach(p => newUpdatePanelBarrier.call(Main.layoutManager, p));
};
Main.layoutManager._updatePanelBarrier();
this._oldUpdateHotCorners = Main.layoutManager._updateHotCorners;
Main.layoutManager._updateHotCorners = Lang.bind(Main.layoutManager, newUpdateHotCorners);
Main.layoutManager._updateHotCorners();
if (Main.layoutManager._interfaceSettings) {
this._enableHotCornersId = Main.layoutManager._interfaceSettings.connect('changed::enable-hot-corners', () => Main.layoutManager._updateHotCorners());
}
this._oldOverviewRelayout = Main.overview._relayout;
Main.overview._relayout = Lang.bind(Main.overview, this._newOverviewRelayout);
this._oldUpdateWorkspacesViews = Main.overview.viewSelector._workspacesDisplay._updateWorkspacesViews;
Main.overview.viewSelector._workspacesDisplay._updateWorkspacesViews = Lang.bind(Main.overview.viewSelector._workspacesDisplay, this._newUpdateWorkspacesViews);
this._oldGetShowAppsButton = Main.overview.getShowAppsButton;
Main.overview.getShowAppsButton = this._newGetShowAppsButton.bind(this);
this._needsDashItemContainerAllocate = !Dash.DashItemContainer.prototype.hasOwnProperty('vfunc_allocate');
if (this._needsDashItemContainerAllocate) {
Utils.hookVfunc(Dash.DashItemContainer.prototype, 'allocate', this._newDashItemContainerAllocate);
}
// Since Gnome 3.8 dragging an app without having opened the overview before cause the attemp to
//animate a null target since some variables are not initialized when the viewSelector is created
if(Main.overview.viewSelector._activePage == null)
Main.overview.viewSelector._activePage = Main.overview.viewSelector._workspacesPage;
LookingGlass.LookingGlass.prototype._oldResize = LookingGlass.LookingGlass.prototype._resize;
LookingGlass.LookingGlass.prototype._resize = _newLookingGlassResize;
LookingGlass.LookingGlass.prototype._oldOpen = LookingGlass.LookingGlass.prototype.open;
LookingGlass.LookingGlass.prototype.open = _newLookingGlassOpen;
//listen settings
this._signalsHandler = new Utils.GlobalSignalsHandler();
this._signalsHandler.add(
[
Me.settings,
[
'changed::primary-monitor',
'changed::multi-monitors',
'changed::isolate-monitors',
'changed::taskbar-position',
'changed::panel-position'
],
() => this._reset()
],
[
Me.settings,
'changed::intellihide-key-toggle-text',
() => this._setKeyBindings(true)
],
[
Utils.DisplayWrapper.getMonitorManager(),
'monitors-changed',
() => {
if (Main.layoutManager.primaryMonitor) {
this._reset();
}
}
]
);
['_leftBox', '_centerBox', '_rightBox'].forEach(c => this._signalsHandler.add(
[Main.panel[c], 'actor-added', (parent, child) => this._adjustPanelMenuButton(this._getPanelMenuButton(child), this.primaryPanel.monitor, Panel.getPosition())]
));
this._setKeyBindings(true);
},
disable: function(reset) {
this.overview.disable();
this.proximityManager.destroy();
this.allPanels.forEach(p => {
this._findPanelMenuButtons(p.panelBox).forEach(pmb => {
if (pmb.menu._boxPointer._dtpGetPreferredHeightId) {
pmb.menu._boxPointer._container.disconnect(pmb.menu._boxPointer._dtpGetPreferredHeightId);
}
pmb.menu._boxPointer.sourceActor = pmb.menu._boxPointer._dtpSourceActor;
delete pmb.menu._boxPointer._dtpSourceActor;
pmb.menu._boxPointer._userArrowSide = St.Side.TOP;
})
this._removePanelBarriers(p);
p.disable();
Main.layoutManager.removeChrome(p.panelBox);
p.panelBox.destroy();
});
if (BoxPointer.BoxPointer.prototype.vfunc_get_preferred_height) {
Utils.hookVfunc(BoxPointer.BoxPointer.prototype, 'get_preferred_height', BoxPointer.BoxPointer.prototype.vfunc_get_preferred_height);
}
if (reset) return;
this._setKeyBindings(false);
this._signalsHandler.destroy();
Main.layoutManager._updateHotCorners = this._oldUpdateHotCorners;
Main.layoutManager._updateHotCorners();
if (this._enableHotCornersId) {
Main.layoutManager._interfaceSettings.disconnect(this._enableHotCornersId);
}
Main.layoutManager._updatePanelBarrier = this._oldUpdatePanelBarrier;
Main.layoutManager._updatePanelBarrier();
Main.overview.viewSelector._animateIn = this._oldViewSelectorAnimateIn;
Main.overview.viewSelector._animateOut = this._oldViewSelectorAnimateOut;
Main.overview._relayout = this._oldOverviewRelayout;
Main.overview._relayout();
Main.overview.viewSelector._workspacesDisplay._updateWorkspacesViews = this._oldUpdateWorkspacesViews;
Main.overview.getShowAppsButton = this._oldGetShowAppsButton;
Main.overview._panelGhost.set_height(Main.panel.actor.height);
Main.panel.actor.show();
if (this._needsDashItemContainerAllocate) {
Utils.hookVfunc(Dash.DashItemContainer.prototype, 'allocate', function(box, flags) { this.vfunc_allocate(box, flags); });
}
LookingGlass.LookingGlass.prototype._resize = LookingGlass.LookingGlass.prototype._oldResize;
delete LookingGlass.LookingGlass.prototype._oldResize;
LookingGlass.LookingGlass.prototype.open = LookingGlass.LookingGlass.prototype._oldOpen;
delete LookingGlass.LookingGlass.prototype._oldOpen
},
setFocusedMonitor: function(monitor, ignoreRelayout) {
if (!this.checkIfFocusedMonitor(monitor)) {
Main.overview.viewSelector._workspacesDisplay._primaryIndex = monitor.index;
Main.overview._overview.clear_constraints();
Main.overview._overview.add_constraint(new Layout.MonitorConstraint({ index: monitor.index }));
if (ignoreRelayout) return;
this._newOverviewRelayout.call(Main.overview);
}
},
checkIfFocusedMonitor: function(monitor) {
return Main.overview.viewSelector._workspacesDisplay._primaryIndex == monitor.index;
},
_createPanel: function(monitor, isSecondary) {
let panelBox = new St.BoxLayout({ name: 'panelBox' });
let panel = new Panel.dtpPanel(this, monitor, panelBox, isSecondary);
panelBox.add(panel.bg);
Main.layoutManager.addChrome(panelBox, { affectsStruts: true, trackFullscreen: true });
panel.enable();
return panel;
},
_reset: function() {
this.disable(true);
this.enable(true);
},
_adjustPanelMenuButton: function(button, monitor, arrowSide) {
if (button) {
Utils.wrapActor(button);
button.menu._boxPointer._dtpSourceActor = button.menu._boxPointer.sourceActor;
button.menu._boxPointer.sourceActor = button.actor;
button.menu._boxPointer._userArrowSide = arrowSide;
button.menu._boxPointer._dtpInPanel = 1;
if (!button.menu._boxPointer.vfunc_get_preferred_height) {
button.menu._boxPointer._dtpGetPreferredHeightId = button.menu._boxPointer._container.connect('get-preferred-height', (actor, forWidth, alloc) => {
this._getBoxPointerPreferredHeight(button.menu._boxPointer, alloc, monitor);
});
}
}
},
_getBoxPointerPreferredHeight: function(boxPointer, alloc, monitor) {
if (boxPointer._dtpInPanel && boxPointer.sourceActor && Me.settings.get_boolean('intellihide')) {
monitor = monitor || Main.layoutManager.findMonitorForActor(boxPointer.sourceActor);
let excess = alloc.natural_size + Panel.size + 10 - monitor.height; // 10 is arbitrary
if (excess > 0) {
alloc.natural_size -= excess;
}
}
return [alloc.min_size, alloc.natural_size];
},
_findPanelMenuButtons: function(container) {
let panelMenuButtons = [];
let panelMenuButton;
let find = parent => parent.get_children().forEach(c => {
if ((panelMenuButton = this._getPanelMenuButton(c))) {
panelMenuButtons.push(panelMenuButton);
}
find(c);
});
find(container);
return panelMenuButtons;
},
_removePanelBarriers: function(panel) {
if (panel.isSecondary && panel._rightPanelBarrier) {
panel._rightPanelBarrier.destroy();
}
if (panel._leftPanelBarrier) {
panel._leftPanelBarrier.destroy();
delete panel._leftPanelBarrier;
}
},
_getPanelMenuButton: function(obj) {
return obj._delegate && obj._delegate instanceof PanelMenu.Button ? obj._delegate : 0;
},
_setKeyBindings: function(enable) {
let keys = {
'intellihide-key-toggle': () => this.allPanels.forEach(p => p.intellihide.toggle())
};
Object.keys(keys).forEach(k => {
Utils.removeKeybinding(k);
if (enable) {
Utils.addKeybinding(k, Me.settings, keys[k], Shell.ActionMode.NORMAL);
}
});
},
_newOverviewRelayout: function() {
// To avoid updating the position and size of the workspaces
// we just hide the overview. The positions will be updated
// when it is next shown.
this.hide();
let workArea = Main.layoutManager.getWorkAreaForMonitor(Main.overview.viewSelector._workspacesDisplay._primaryIndex);
this._coverPane.set_position(0, workArea.y);
this._coverPane.set_size(workArea.width, workArea.height);
this._updateBackgrounds();
},
_newUpdateWorkspacesViews: function() {
for (let i = 0; i < this._workspacesViews.length; i++)
this._workspacesViews[i].destroy();
this._workspacesViews = [];
let monitors = Main.layoutManager.monitors;
for (let i = 0; i < monitors.length; i++) {
let view;
if (this._workspacesOnlyOnPrimary && i != Main.layoutManager.primaryIndex) {
view = new WorkspacesView.ExtraWorkspaceView(i);
view.getActiveWorkspace = view.getActiveWorkspace || function() { return this._workspace; };
} else
view = new WorkspacesView.WorkspacesView(i);
view.actor.connect('scroll-event', this._onScrollEvent.bind(this));
if (i == Main.layoutManager.primaryIndex) {
this._scrollAdjustment = view.scrollAdjustment;
this._scrollAdjustment.connect('notify::value',
this._scrollValueChanged.bind(this));
}
this._workspacesViews.push(view);
}
this._workspacesViews.forEach(wv => Main.layoutManager.overviewGroup.add_actor(wv.actor));
this._updateWorkspacesFullGeometry();
this._updateWorkspacesActualGeometry();
},
_newGetShowAppsButton: function() {
let focusedMonitorIndex = Utils.findIndex(this.allPanels, p => this.checkIfFocusedMonitor(p.monitor));
return this.allPanels[focusedMonitorIndex].taskbar.showAppsButton;
},
_newDashItemContainerAllocate: function(box, flags) {
if (this.child == null)
return;
this.set_allocation(box, flags);
let availWidth = box.x2 - box.x1;
let availHeight = box.y2 - box.y1;
let [minChildWidth, minChildHeight, natChildWidth, natChildHeight] = this.child.get_preferred_size();
let [childScaleX, childScaleY] = this.child.get_scale();
let childWidth = Math.min(natChildWidth * childScaleX, availWidth);
let childHeight = Math.min(natChildHeight * childScaleY, availHeight);
let childBox = new Clutter.ActorBox();
childBox.x1 = (availWidth - childWidth) / 2;
childBox.y1 = (availHeight - childHeight) / 2;
childBox.x2 = childBox.x1 + childWidth;
childBox.y2 = childBox.y1 + childHeight;
this.child.allocate(childBox, flags);
},
});
function newViewSelectorAnimateIn(oldPage) {
if (oldPage)
oldPage.hide();
let vs = Main.overview.viewSelector;
vs.emit('page-empty');
vs._activePage.show();
if (vs._activePage == vs._appsPage && oldPage == vs._workspacesPage) {
// Restore opacity, in case we animated via _fadePageOut
vs._activePage.opacity = 255;
let animate = Me.settings.get_boolean('animate-show-apps');
if(animate)
vs.appDisplay.animate(IconGrid.AnimationDirection.IN);
} else {
vs._fadePageIn();
}
}
function newViewSelectorAnimateOut(page) {
let oldPage = page;
let vs = Main.overview.viewSelector;
if (page == vs._appsPage &&
vs._activePage == vs._workspacesPage &&
!Main.overview.animationInProgress) {
let animate = Me.settings.get_boolean('animate-show-apps');
if(animate)
vs.appDisplay.animate(IconGrid.AnimationDirection.OUT, Lang.bind(this,
function() {
vs._animateIn(oldPage)
}));
else
vs._animateIn(oldPage)
} else {
vs._fadePageOut(page);
}
}
function newUpdateHotCorners() {
// destroy old hot corners
this.hotCorners.forEach(function(corner) {
if (corner)
corner.destroy();
});
this.hotCorners = [];
//global.settings is ubuntu specific setting to disable the hot corner (Tweak tool > Top Bar > Activities Overview Hot Corner)
//this._interfaceSettings is for the setting to disable the hot corner introduced in gnome-shell 3.34
if ((global.settings.list_keys().indexOf('enable-hot-corners') >= 0 && !global.settings.get_boolean('enable-hot-corners')) ||
(this._interfaceSettings && !this._interfaceSettings.get_boolean('enable-hot-corners'))) {
this.emit('hot-corners-changed');
return;
}
let panelPosition = Panel.getPosition();
// build new hot corners
for (let i = 0; i < this.monitors.length; i++) {
let monitor = this.monitors[i];
let cornerX = this._rtl ? monitor.x + monitor.width : monitor.x;
let cornerY = monitor.y;
let haveTopLeftCorner = true;
// If the panel is on the bottom, don't add a topleft hot corner unless it is actually
// a top left panel. Otherwise, it stops the mouse as you are dragging across
// In the future, maybe we will automatically move the hotcorner to the bottom
// when the panel is positioned at the bottom
if (i != this.primaryIndex || panelPosition == St.Side.BOTTOM || panelPosition == St.Side.RIGHT) {
// Check if we have a top left (right for RTL) corner.
// I.e. if there is no monitor directly above or to the left(right)
let besideX = this._rtl ? monitor.x + 1 : cornerX - 1;
let besideY = cornerY;
let aboveX = cornerX;
let aboveY = cornerY - 1;
for (let j = 0; j < this.monitors.length; j++) {
if (i == j)
continue;
let otherMonitor = this.monitors[j];
if (besideX >= otherMonitor.x &&
besideX < otherMonitor.x + otherMonitor.width &&
besideY >= otherMonitor.y &&
besideY < otherMonitor.y + otherMonitor.height) {
haveTopLeftCorner = false;
break;
}
if (aboveX >= otherMonitor.x &&
aboveX < otherMonitor.x + otherMonitor.width &&
aboveY >= otherMonitor.y &&
aboveY < otherMonitor.y + otherMonitor.height) {
haveTopLeftCorner = false;
break;
}
}
}
if (haveTopLeftCorner) {
let corner = new Layout.HotCorner(this, monitor, cornerX, cornerY);
corner.setBarrierSize(Panel.size);
this.hotCorners.push(corner);
} else {
this.hotCorners.push(null);
}
}
this.emit('hot-corners-changed');
}
function newUpdatePanelBarrier(panel) {
if (this._rightPanelBarrier) {
this._rightPanelBarrier.destroy();
}
let barriers = {
_rightPanelBarrier: [],
_leftPanelBarrier: []
};
Object.keys(barriers).forEach(k => {
if (panel[k]) {
panel[k].destroy();
panel[k] = null;
}
});
if (!this.primaryMonitor || !panel.panelBox.height) {
return;
}
let barrierSize = Math.min(10, panel.panelBox.height);
let fixed1 = panel.monitor.y;
let fixed2 = panel.monitor.y + barrierSize;
if (Panel.checkIfVertical()) {
barriers._rightPanelBarrier.push(panel.monitor.y + panel.monitor.height, Meta.BarrierDirection.POSITIVE_Y);
barriers._leftPanelBarrier.push(panel.monitor.y, Meta.BarrierDirection.NEGATIVE_Y);
} else {
barriers._rightPanelBarrier.push(panel.monitor.x + panel.monitor.width, Meta.BarrierDirection.NEGATIVE_X);
barriers._leftPanelBarrier.push(panel.monitor.x, Meta.BarrierDirection.POSITIVE_X);
}
switch (Panel.getPosition()) {
//values are initialized as St.Side.TOP
case St.Side.BOTTOM:
fixed1 = panel.monitor.y + panel.monitor.height - barrierSize;
fixed2 = panel.monitor.y + panel.monitor.height;
break;
case St.Side.LEFT:
fixed1 = panel.monitor.x;
fixed2 = panel.monitor.x + barrierSize;
break;
case St.Side.RIGHT:
fixed1 = panel.monitor.x + panel.monitor.width;
fixed2 = panel.monitor.x + panel.monitor.width - barrierSize;
break;
}
//remove left barrier if it overlaps one of the hotcorners
for (let k in this.hotCorners) {
let hc = this.hotCorners[k];
if (hc && hc._monitor == panel.monitor &&
((fixed1 == hc._x || fixed2 == hc._x) || fixed1 == hc._y || fixed2 == hc._y)) {
delete barriers._leftPanelBarrier;
break;
}
}
Object.keys(barriers).forEach(k => {
let barrierOptions = {
display: global.display,
directions: barriers[k][1]
};
barrierOptions[Panel.varCoord.c1] = barrierOptions[Panel.varCoord.c2] = barriers[k][0];
barrierOptions[Panel.fixedCoord.c1] = fixed1;
barrierOptions[Panel.fixedCoord.c2] = fixed2;
panel[k] = new Meta.Barrier(barrierOptions);
});
}
function _newLookingGlassResize() {
this._oldResize();
if (Panel.getPosition() == St.Side.TOP) {
this._hiddenY = Main.layoutManager.primaryMonitor.y + Panel.size - this.actor.height;
this._targetY = this._hiddenY + this.actor.height;
this.actor.y = this._hiddenY;
this._objInspector.actor.set_position(this.actor.x + Math.floor(this.actor.width * 0.1), this._targetY + Math.floor(this.actor.height * 0.1));
}
}
function _newLookingGlassOpen() {
if (this._open)
return;
this._resize();
this._oldOpen();
}