1360 lines
47 KiB
JavaScript
1360 lines
47 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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/* exported WorkspaceThumbnail, ThumbnailsBox */
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const { Clutter, Gio, GLib, GObject, Meta, Shell, St } = imports.gi;
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const Background = imports.ui.background;
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const DND = imports.ui.dnd;
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const Main = imports.ui.main;
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const Workspace = imports.ui.workspace;
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// The maximum size of a thumbnail is 1/10 the width and height of the screen
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let MAX_THUMBNAIL_SCALE = 1 / 10.;
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var RESCALE_ANIMATION_TIME = 200;
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var SLIDE_ANIMATION_TIME = 200;
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// When we create workspaces by dragging, we add a "cut" into the top and
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// bottom of each workspace so that the user doesn't have to hit the
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// placeholder exactly.
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var WORKSPACE_CUT_SIZE = 10;
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var WORKSPACE_KEEP_ALIVE_TIME = 100;
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var MUTTER_SCHEMA = 'org.gnome.mutter';
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/* A layout manager that requests size only for primary_actor, but then allocates
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all using a fixed layout */
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var PrimaryActorLayout = GObject.registerClass(
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class PrimaryActorLayout extends Clutter.FixedLayout {
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_init(primaryActor) {
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super._init();
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this.primaryActor = primaryActor;
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}
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vfunc_get_preferred_width(container, forHeight) {
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return this.primaryActor.get_preferred_width(forHeight);
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}
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vfunc_get_preferred_height(container, forWidth) {
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return this.primaryActor.get_preferred_height(forWidth);
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}
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});
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var WindowClone = GObject.registerClass({
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Signals: {
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'drag-begin': {},
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'drag-cancelled': {},
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'drag-end': {},
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'selected': { param_types: [GObject.TYPE_UINT] },
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},
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}, class WindowClone extends Clutter.Actor {
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_init(realWindow) {
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let clone = new Clutter.Clone({ source: realWindow });
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super._init({
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layout_manager: new PrimaryActorLayout(clone),
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reactive: true,
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});
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this._delegate = this;
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this.add_child(clone);
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this.realWindow = realWindow;
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this.metaWindow = realWindow.meta_window;
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clone._updateId = this.realWindow.connect('notify::position',
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this._onPositionChanged.bind(this));
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clone._destroyId = this.realWindow.connect('destroy', () => {
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// First destroy the clone and then destroy everything
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// This will ensure that we never see it in the _disconnectSignals loop
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clone.destroy();
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this.destroy();
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});
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this._onPositionChanged();
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this.connect('destroy', this._onDestroy.bind(this));
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this._draggable = DND.makeDraggable(this,
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{ restoreOnSuccess: true,
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dragActorMaxSize: Workspace.WINDOW_DND_SIZE,
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dragActorOpacity: Workspace.DRAGGING_WINDOW_OPACITY });
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this._draggable.connect('drag-begin', this._onDragBegin.bind(this));
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this._draggable.connect('drag-cancelled', this._onDragCancelled.bind(this));
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this._draggable.connect('drag-end', this._onDragEnd.bind(this));
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this.inDrag = false;
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let iter = win => {
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let actor = win.get_compositor_private();
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if (!actor)
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return false;
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if (!win.is_attached_dialog())
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return false;
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this._doAddAttachedDialog(win, actor);
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win.foreach_transient(iter);
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return true;
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};
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this.metaWindow.foreach_transient(iter);
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}
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// Find the actor just below us, respecting reparenting done
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// by DND code
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getActualStackAbove() {
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if (this._stackAbove == null)
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return null;
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if (this.inDrag) {
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if (this._stackAbove._delegate)
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return this._stackAbove._delegate.getActualStackAbove();
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else
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return null;
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} else {
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return this._stackAbove;
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}
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}
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setStackAbove(actor) {
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this._stackAbove = actor;
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// Don't apply the new stacking now, it will be applied
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// when dragging ends and window are stacked again
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if (actor.inDrag)
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return;
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let parent = this.get_parent();
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let actualAbove = this.getActualStackAbove();
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if (actualAbove == null)
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parent.set_child_below_sibling(this, null);
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else
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parent.set_child_above_sibling(this, actualAbove);
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}
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addAttachedDialog(win) {
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this._doAddAttachedDialog(win, win.get_compositor_private());
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}
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_doAddAttachedDialog(metaDialog, realDialog) {
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let clone = new Clutter.Clone({ source: realDialog });
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this._updateDialogPosition(realDialog, clone);
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clone._updateId = realDialog.connect('notify::position', dialog => {
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this._updateDialogPosition(dialog, clone);
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});
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clone._destroyId = realDialog.connect('destroy', () => {
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clone.destroy();
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});
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this.add_child(clone);
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}
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_updateDialogPosition(realDialog, cloneDialog) {
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let metaDialog = realDialog.meta_window;
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let dialogRect = metaDialog.get_frame_rect();
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let rect = this.metaWindow.get_frame_rect();
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cloneDialog.set_position(dialogRect.x - rect.x, dialogRect.y - rect.y);
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}
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_onPositionChanged() {
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this.set_position(this.realWindow.x, this.realWindow.y);
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}
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_disconnectSignals() {
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this.get_children().forEach(child => {
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let realWindow = child.source;
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realWindow.disconnect(child._updateId);
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realWindow.disconnect(child._destroyId);
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});
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}
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_onDestroy() {
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this._disconnectSignals();
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this._delegate = null;
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if (this.inDrag) {
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this.emit('drag-end');
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this.inDrag = false;
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}
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}
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vfunc_button_press_event() {
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return Clutter.EVENT_STOP;
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}
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vfunc_button_release_event(buttonEvent) {
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this.emit('selected', buttonEvent.time);
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return Clutter.EVENT_STOP;
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}
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vfunc_touch_event(touchEvent) {
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if (touchEvent.type != Clutter.EventType.TOUCH_END ||
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!global.display.is_pointer_emulating_sequence(touchEvent.sequence))
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return Clutter.EVENT_PROPAGATE;
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this.emit('selected', touchEvent.time);
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return Clutter.EVENT_STOP;
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}
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_onDragBegin(_draggable, _time) {
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this.inDrag = true;
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this.emit('drag-begin');
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}
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_onDragCancelled(_draggable, _time) {
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this.emit('drag-cancelled');
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}
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_onDragEnd(_draggable, _time, _snapback) {
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this.inDrag = false;
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// We may not have a parent if DnD completed successfully, in
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// which case our clone will shortly be destroyed and replaced
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// with a new one on the target workspace.
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let parent = this.get_parent();
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if (parent !== null) {
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if (this._stackAbove == null)
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parent.set_child_below_sibling(this, null);
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else
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parent.set_child_above_sibling(this, this._stackAbove);
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}
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this.emit('drag-end');
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}
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});
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var ThumbnailState = {
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NEW: 0,
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ANIMATING_IN: 1,
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NORMAL: 2,
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REMOVING: 3,
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ANIMATING_OUT: 4,
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ANIMATED_OUT: 5,
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COLLAPSING: 6,
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DESTROYED: 7,
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};
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/**
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* @metaWorkspace: a #Meta.Workspace
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*/
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var WorkspaceThumbnail = GObject.registerClass({
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Properties: {
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'collapse-fraction': GObject.ParamSpec.double(
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'collapse-fraction', 'collapse-fraction', 'collapse-fraction',
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GObject.ParamFlags.READWRITE,
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0, 1, 0),
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'slide-position': GObject.ParamSpec.double(
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'slide-position', 'slide-position', 'slide-position',
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GObject.ParamFlags.READWRITE,
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0, 1, 0),
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},
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}, class WorkspaceThumbnail extends St.Widget {
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_init(metaWorkspace) {
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super._init({
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clip_to_allocation: true,
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style_class: 'workspace-thumbnail',
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});
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this._delegate = this;
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this.metaWorkspace = metaWorkspace;
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this.monitorIndex = Main.layoutManager.primaryIndex;
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this._removed = false;
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this._contents = new Clutter.Actor();
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this.add_child(this._contents);
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this.connect('destroy', this._onDestroy.bind(this));
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this._createBackground();
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let workArea = Main.layoutManager.getWorkAreaForMonitor(this.monitorIndex);
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this.setPorthole(workArea.x, workArea.y, workArea.width, workArea.height);
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let windows = global.get_window_actors().filter(actor => {
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let win = actor.meta_window;
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return win.located_on_workspace(metaWorkspace);
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});
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// Create clones for windows that should be visible in the Overview
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this._windows = [];
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this._allWindows = [];
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this._minimizedChangedIds = [];
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for (let i = 0; i < windows.length; i++) {
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let minimizedChangedId =
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windows[i].meta_window.connect('notify::minimized',
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this._updateMinimized.bind(this));
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this._allWindows.push(windows[i].meta_window);
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this._minimizedChangedIds.push(minimizedChangedId);
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if (this._isMyWindow(windows[i]) && this._isOverviewWindow(windows[i]))
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this._addWindowClone(windows[i]);
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}
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// Track window changes
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this._windowAddedId = this.metaWorkspace.connect('window-added',
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this._windowAdded.bind(this));
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this._windowRemovedId = this.metaWorkspace.connect('window-removed',
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this._windowRemoved.bind(this));
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this._windowEnteredMonitorId = global.display.connect('window-entered-monitor',
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this._windowEnteredMonitor.bind(this));
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this._windowLeftMonitorId = global.display.connect('window-left-monitor',
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this._windowLeftMonitor.bind(this));
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this.state = ThumbnailState.NORMAL;
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this._slidePosition = 0; // Fully slid in
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this._collapseFraction = 0; // Not collapsed
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}
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_createBackground() {
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this._bgManager = new Background.BackgroundManager({ monitorIndex: Main.layoutManager.primaryIndex,
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container: this._contents,
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vignette: false });
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}
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setPorthole(x, y, width, height) {
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this.set_size(width, height);
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this._contents.set_position(-x, -y);
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}
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_lookupIndex(metaWindow) {
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return this._windows.findIndex(w => w.metaWindow == metaWindow);
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}
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syncStacking(stackIndices) {
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this._windows.sort((a, b) => {
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let indexA = stackIndices[a.metaWindow.get_stable_sequence()];
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let indexB = stackIndices[b.metaWindow.get_stable_sequence()];
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return indexA - indexB;
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});
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for (let i = 0; i < this._windows.length; i++) {
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let clone = this._windows[i];
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if (i == 0) {
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clone.setStackAbove(this._bgManager.backgroundActor);
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} else {
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let previousClone = this._windows[i - 1];
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clone.setStackAbove(previousClone);
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}
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}
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}
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// eslint-disable-next-line camelcase
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set slide_position(slidePosition) {
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if (this._slidePosition == slidePosition)
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return;
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this._slidePosition = slidePosition;
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this.notify('slide-position');
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this.queue_relayout();
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}
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// eslint-disable-next-line camelcase
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get slide_position() {
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return this._slidePosition;
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}
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// eslint-disable-next-line camelcase
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set collapse_fraction(collapseFraction) {
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if (this._collapseFraction == collapseFraction)
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return;
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this._collapseFraction = collapseFraction;
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this.notify('collapse-fraction');
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this.queue_relayout();
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}
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// eslint-disable-next-line camelcase
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get collapse_fraction() {
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return this._collapseFraction;
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}
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_doRemoveWindow(metaWin) {
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let clone = this._removeWindowClone(metaWin);
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if (clone)
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clone.destroy();
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}
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_doAddWindow(metaWin) {
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if (this._removed)
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return;
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let win = metaWin.get_compositor_private();
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if (!win) {
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// Newly-created windows are added to a workspace before
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// the compositor finds out about them...
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let id = GLib.idle_add(GLib.PRIORITY_DEFAULT, () => {
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if (!this._removed &&
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metaWin.get_compositor_private() &&
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metaWin.get_workspace() == this.metaWorkspace)
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this._doAddWindow(metaWin);
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return GLib.SOURCE_REMOVE;
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});
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GLib.Source.set_name_by_id(id, '[gnome-shell] this._doAddWindow');
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return;
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}
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if (!this._allWindows.includes(metaWin)) {
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let minimizedChangedId = metaWin.connect('notify::minimized',
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this._updateMinimized.bind(this));
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this._allWindows.push(metaWin);
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this._minimizedChangedIds.push(minimizedChangedId);
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}
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// We might have the window in our list already if it was on all workspaces and
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// now was moved to this workspace
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if (this._lookupIndex(metaWin) != -1)
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return;
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if (!this._isMyWindow(win))
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return;
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if (this._isOverviewWindow(win)) {
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this._addWindowClone(win);
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} else if (metaWin.is_attached_dialog()) {
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let parent = metaWin.get_transient_for();
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while (parent.is_attached_dialog())
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parent = parent.get_transient_for();
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let idx = this._lookupIndex(parent);
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if (idx < 0) {
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// parent was not created yet, it will take care
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// of the dialog when created
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return;
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}
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let clone = this._windows[idx];
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clone.addAttachedDialog(metaWin);
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}
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}
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_windowAdded(metaWorkspace, metaWin) {
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this._doAddWindow(metaWin);
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}
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_windowRemoved(metaWorkspace, metaWin) {
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let index = this._allWindows.indexOf(metaWin);
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if (index != -1) {
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metaWin.disconnect(this._minimizedChangedIds[index]);
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this._allWindows.splice(index, 1);
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this._minimizedChangedIds.splice(index, 1);
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}
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this._doRemoveWindow(metaWin);
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}
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_windowEnteredMonitor(metaDisplay, monitorIndex, metaWin) {
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if (monitorIndex == this.monitorIndex)
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this._doAddWindow(metaWin);
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}
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_windowLeftMonitor(metaDisplay, monitorIndex, metaWin) {
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if (monitorIndex == this.monitorIndex)
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this._doRemoveWindow(metaWin);
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}
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_updateMinimized(metaWin) {
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if (metaWin.minimized)
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this._doRemoveWindow(metaWin);
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else
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this._doAddWindow(metaWin);
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}
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workspaceRemoved() {
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if (this._removed)
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return;
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this._removed = true;
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this.metaWorkspace.disconnect(this._windowAddedId);
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this.metaWorkspace.disconnect(this._windowRemovedId);
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global.display.disconnect(this._windowEnteredMonitorId);
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global.display.disconnect(this._windowLeftMonitorId);
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for (let i = 0; i < this._allWindows.length; i++)
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this._allWindows[i].disconnect(this._minimizedChangedIds[i]);
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}
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_onDestroy() {
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this.workspaceRemoved();
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if (this._bgManager) {
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this._bgManager.destroy();
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this._bgManager = null;
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}
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this._windows = [];
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}
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// Tests if @actor belongs to this workspace and monitor
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_isMyWindow(actor) {
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let win = actor.meta_window;
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return win.located_on_workspace(this.metaWorkspace) &&
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(win.get_monitor() == this.monitorIndex);
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}
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// Tests if @win should be shown in the Overview
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_isOverviewWindow(win) {
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return !win.get_meta_window().skip_taskbar &&
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win.get_meta_window().showing_on_its_workspace();
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}
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// Create a clone of a (non-desktop) window and add it to the window list
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_addWindowClone(win) {
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let clone = new WindowClone(win);
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clone.connect('selected', (o, time) => {
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this.activate(time);
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});
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clone.connect('drag-begin', () => {
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Main.overview.beginWindowDrag(clone.metaWindow);
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});
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clone.connect('drag-cancelled', () => {
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Main.overview.cancelledWindowDrag(clone.metaWindow);
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});
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clone.connect('drag-end', () => {
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Main.overview.endWindowDrag(clone.metaWindow);
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});
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clone.connect('destroy', () => {
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this._removeWindowClone(clone.metaWindow);
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});
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this._contents.add_actor(clone);
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if (this._windows.length == 0)
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clone.setStackAbove(this._bgManager.backgroundActor);
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else
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clone.setStackAbove(this._windows[this._windows.length - 1]);
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this._windows.push(clone);
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return clone;
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}
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_removeWindowClone(metaWin) {
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// find the position of the window in our list
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let index = this._lookupIndex(metaWin);
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if (index == -1)
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return null;
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return this._windows.splice(index, 1).pop();
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}
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activate(time) {
|
|
if (this.state > ThumbnailState.NORMAL)
|
|
return;
|
|
|
|
// a click on the already current workspace should go back to the main view
|
|
if (this.metaWorkspace.active)
|
|
Main.overview.hide();
|
|
else
|
|
this.metaWorkspace.activate(time);
|
|
}
|
|
|
|
// Draggable target interface used only by ThumbnailsBox
|
|
handleDragOverInternal(source, actor, time) {
|
|
if (source == Main.xdndHandler) {
|
|
this.metaWorkspace.activate(time);
|
|
return DND.DragMotionResult.CONTINUE;
|
|
}
|
|
|
|
if (this.state > ThumbnailState.NORMAL)
|
|
return DND.DragMotionResult.CONTINUE;
|
|
|
|
if (source.metaWindow &&
|
|
!this._isMyWindow(source.metaWindow.get_compositor_private()))
|
|
return DND.DragMotionResult.MOVE_DROP;
|
|
if (source.app && source.app.can_open_new_window())
|
|
return DND.DragMotionResult.COPY_DROP;
|
|
if (!source.app && source.shellWorkspaceLaunch)
|
|
return DND.DragMotionResult.COPY_DROP;
|
|
|
|
return DND.DragMotionResult.CONTINUE;
|
|
}
|
|
|
|
acceptDropInternal(source, actor, time) {
|
|
if (this.state > ThumbnailState.NORMAL)
|
|
return false;
|
|
|
|
if (source.metaWindow) {
|
|
let win = source.metaWindow.get_compositor_private();
|
|
if (this._isMyWindow(win))
|
|
return false;
|
|
|
|
let metaWindow = win.get_meta_window();
|
|
|
|
// We need to move the window before changing the workspace, because
|
|
// the move itself could cause a workspace change if the window enters
|
|
// the primary monitor
|
|
if (metaWindow.get_monitor() != this.monitorIndex)
|
|
metaWindow.move_to_monitor(this.monitorIndex);
|
|
|
|
metaWindow.change_workspace_by_index(this.metaWorkspace.index(), false);
|
|
return true;
|
|
} else if (source.app && source.app.can_open_new_window()) {
|
|
if (source.animateLaunchAtPos)
|
|
source.animateLaunchAtPos(actor.x, actor.y);
|
|
|
|
source.app.open_new_window(this.metaWorkspace.index());
|
|
return true;
|
|
} else if (!source.app && source.shellWorkspaceLaunch) {
|
|
// While unused in our own drag sources, shellWorkspaceLaunch allows
|
|
// extensions to define custom actions for their drag sources.
|
|
source.shellWorkspaceLaunch({ workspace: this.metaWorkspace.index(),
|
|
timestamp: time });
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
});
|
|
|
|
|
|
var ThumbnailsBox = GObject.registerClass({
|
|
Properties: {
|
|
'indicator-y': GObject.ParamSpec.double(
|
|
'indicator-y', 'indicator-y', 'indicator-y',
|
|
GObject.ParamFlags.READWRITE,
|
|
0, Infinity, 0),
|
|
'scale': GObject.ParamSpec.double(
|
|
'scale', 'scale', 'scale',
|
|
GObject.ParamFlags.READWRITE,
|
|
0, Infinity, 0),
|
|
},
|
|
}, class ThumbnailsBox extends St.Widget {
|
|
_init(scrollAdjustment) {
|
|
super._init({ reactive: true,
|
|
style_class: 'workspace-thumbnails',
|
|
request_mode: Clutter.RequestMode.WIDTH_FOR_HEIGHT });
|
|
|
|
this._delegate = this;
|
|
|
|
let indicator = new St.Bin({ style_class: 'workspace-thumbnail-indicator' });
|
|
|
|
// We don't want the indicator to affect drag-and-drop
|
|
Shell.util_set_hidden_from_pick(indicator, true);
|
|
|
|
this._indicator = indicator;
|
|
this.add_actor(indicator);
|
|
|
|
// The porthole is the part of the screen we're showing in the thumbnails
|
|
this._porthole = { width: global.stage.width, height: global.stage.height,
|
|
x: global.stage.x, y: global.stage.y };
|
|
|
|
this._dropWorkspace = -1;
|
|
this._dropPlaceholderPos = -1;
|
|
this._dropPlaceholder = new St.Bin({ style_class: 'placeholder' });
|
|
this.add_actor(this._dropPlaceholder);
|
|
this._spliceIndex = -1;
|
|
|
|
this._targetScale = 0;
|
|
this._scale = 0;
|
|
this._pendingScaleUpdate = false;
|
|
this._stateUpdateQueued = false;
|
|
this._animatingIndicator = false;
|
|
|
|
this._stateCounts = {};
|
|
for (let key in ThumbnailState)
|
|
this._stateCounts[ThumbnailState[key]] = 0;
|
|
|
|
this._thumbnails = [];
|
|
|
|
Main.overview.connect('showing',
|
|
this._createThumbnails.bind(this));
|
|
Main.overview.connect('hidden',
|
|
this._destroyThumbnails.bind(this));
|
|
|
|
Main.overview.connect('item-drag-begin',
|
|
this._onDragBegin.bind(this));
|
|
Main.overview.connect('item-drag-end',
|
|
this._onDragEnd.bind(this));
|
|
Main.overview.connect('item-drag-cancelled',
|
|
this._onDragCancelled.bind(this));
|
|
Main.overview.connect('window-drag-begin',
|
|
this._onDragBegin.bind(this));
|
|
Main.overview.connect('window-drag-end',
|
|
this._onDragEnd.bind(this));
|
|
Main.overview.connect('window-drag-cancelled',
|
|
this._onDragCancelled.bind(this));
|
|
|
|
this._settings = new Gio.Settings({ schema_id: MUTTER_SCHEMA });
|
|
this._settings.connect('changed::dynamic-workspaces',
|
|
this._updateSwitcherVisibility.bind(this));
|
|
|
|
Main.layoutManager.connect('monitors-changed', () => {
|
|
this._destroyThumbnails();
|
|
if (Main.overview.visible)
|
|
this._createThumbnails();
|
|
});
|
|
|
|
global.display.connect('workareas-changed',
|
|
this._updatePorthole.bind(this));
|
|
|
|
this._switchWorkspaceNotifyId = 0;
|
|
this._nWorkspacesNotifyId = 0;
|
|
this._syncStackingId = 0;
|
|
this._workareasChangedId = 0;
|
|
|
|
this._scrollAdjustment = scrollAdjustment;
|
|
|
|
this._scrollAdjustment.connect('notify::value', adj => {
|
|
let workspaceManager = global.workspace_manager;
|
|
let activeIndex = workspaceManager.get_active_workspace_index();
|
|
|
|
this._animatingIndicator = adj.value !== activeIndex;
|
|
|
|
if (!this._animatingIndicator)
|
|
this._queueUpdateStates();
|
|
|
|
this.queue_relayout();
|
|
});
|
|
}
|
|
|
|
_updateSwitcherVisibility() {
|
|
let workspaceManager = global.workspace_manager;
|
|
|
|
this.visible =
|
|
this._settings.get_boolean('dynamic-workspaces') ||
|
|
workspaceManager.n_workspaces > 1;
|
|
}
|
|
|
|
_activateThumbnailAtPoint(stageX, stageY, time) {
|
|
let [r_, x_, y] = this.transform_stage_point(stageX, stageY);
|
|
|
|
let thumbnail = this._thumbnails.find(t => {
|
|
let [, h] = t.get_transformed_size();
|
|
return y >= t.y && y <= t.y + h;
|
|
});
|
|
if (thumbnail)
|
|
thumbnail.activate(time);
|
|
}
|
|
|
|
vfunc_button_release_event(buttonEvent) {
|
|
let { x, y } = buttonEvent;
|
|
this._activateThumbnailAtPoint(x, y, buttonEvent.time);
|
|
return Clutter.EVENT_STOP;
|
|
}
|
|
|
|
vfunc_touch_event(touchEvent) {
|
|
if (touchEvent.type == Clutter.EventType.TOUCH_END &&
|
|
global.display.is_pointer_emulating_sequence(touchEvent.sequence)) {
|
|
let { x, y } = touchEvent;
|
|
this._activateThumbnailAtPoint(x, y, touchEvent.time);
|
|
}
|
|
|
|
return Clutter.EVENT_STOP;
|
|
}
|
|
|
|
_onDragBegin() {
|
|
this._dragCancelled = false;
|
|
this._dragMonitor = {
|
|
dragMotion: this._onDragMotion.bind(this),
|
|
};
|
|
DND.addDragMonitor(this._dragMonitor);
|
|
}
|
|
|
|
_onDragEnd() {
|
|
if (this._dragCancelled)
|
|
return;
|
|
|
|
this._endDrag();
|
|
}
|
|
|
|
_onDragCancelled() {
|
|
this._dragCancelled = true;
|
|
this._endDrag();
|
|
}
|
|
|
|
_endDrag() {
|
|
this._clearDragPlaceholder();
|
|
DND.removeDragMonitor(this._dragMonitor);
|
|
}
|
|
|
|
_onDragMotion(dragEvent) {
|
|
if (!this.contains(dragEvent.targetActor))
|
|
this._onLeave();
|
|
return DND.DragMotionResult.CONTINUE;
|
|
}
|
|
|
|
_onLeave() {
|
|
this._clearDragPlaceholder();
|
|
}
|
|
|
|
_clearDragPlaceholder() {
|
|
if (this._dropPlaceholderPos == -1)
|
|
return;
|
|
|
|
this._dropPlaceholderPos = -1;
|
|
this.queue_relayout();
|
|
}
|
|
|
|
// Draggable target interface
|
|
handleDragOver(source, actor, x, y, time) {
|
|
if (!source.metaWindow &&
|
|
(!source.app || !source.app.can_open_new_window()) &&
|
|
(source.app || !source.shellWorkspaceLaunch) &&
|
|
source != Main.xdndHandler)
|
|
return DND.DragMotionResult.CONTINUE;
|
|
|
|
let canCreateWorkspaces = Meta.prefs_get_dynamic_workspaces();
|
|
let spacing = this.get_theme_node().get_length('spacing');
|
|
|
|
this._dropWorkspace = -1;
|
|
let placeholderPos = -1;
|
|
let targetBase;
|
|
if (this._dropPlaceholderPos == 0)
|
|
targetBase = this._dropPlaceholder.y;
|
|
else
|
|
targetBase = this._thumbnails[0].y;
|
|
let targetTop = targetBase - spacing - WORKSPACE_CUT_SIZE;
|
|
let length = this._thumbnails.length;
|
|
for (let i = 0; i < length; i++) {
|
|
// Allow the reorder target to have a 10px "cut" into
|
|
// each side of the thumbnail, to make dragging onto the
|
|
// placeholder easier
|
|
let [, h] = this._thumbnails[i].get_transformed_size();
|
|
let targetBottom = targetBase + WORKSPACE_CUT_SIZE;
|
|
let nextTargetBase = targetBase + h + spacing;
|
|
let nextTargetTop = nextTargetBase - spacing - (i == length - 1 ? 0 : WORKSPACE_CUT_SIZE);
|
|
|
|
// Expand the target to include the placeholder, if it exists.
|
|
if (i == this._dropPlaceholderPos)
|
|
targetBottom += this._dropPlaceholder.get_height();
|
|
|
|
if (y > targetTop && y <= targetBottom && source != Main.xdndHandler && canCreateWorkspaces) {
|
|
placeholderPos = i;
|
|
break;
|
|
} else if (y > targetBottom && y <= nextTargetTop) {
|
|
this._dropWorkspace = i;
|
|
break;
|
|
}
|
|
|
|
targetBase = nextTargetBase;
|
|
targetTop = nextTargetTop;
|
|
}
|
|
|
|
if (this._dropPlaceholderPos != placeholderPos) {
|
|
this._dropPlaceholderPos = placeholderPos;
|
|
this.queue_relayout();
|
|
}
|
|
|
|
if (this._dropWorkspace != -1)
|
|
return this._thumbnails[this._dropWorkspace].handleDragOverInternal(source, actor, time);
|
|
else if (this._dropPlaceholderPos != -1)
|
|
return source.metaWindow ? DND.DragMotionResult.MOVE_DROP : DND.DragMotionResult.COPY_DROP;
|
|
else
|
|
return DND.DragMotionResult.CONTINUE;
|
|
}
|
|
|
|
acceptDrop(source, actor, x, y, time) {
|
|
if (this._dropWorkspace != -1) {
|
|
return this._thumbnails[this._dropWorkspace].acceptDropInternal(source, actor, time);
|
|
} else if (this._dropPlaceholderPos != -1) {
|
|
if (!source.metaWindow &&
|
|
(!source.app || !source.app.can_open_new_window()) &&
|
|
(source.app || !source.shellWorkspaceLaunch))
|
|
return false;
|
|
|
|
let isWindow = !!source.metaWindow;
|
|
|
|
let newWorkspaceIndex;
|
|
[newWorkspaceIndex, this._dropPlaceholderPos] = [this._dropPlaceholderPos, -1];
|
|
this._spliceIndex = newWorkspaceIndex;
|
|
|
|
Main.wm.insertWorkspace(newWorkspaceIndex);
|
|
|
|
if (isWindow) {
|
|
// Move the window to our monitor first if necessary.
|
|
let thumbMonitor = this._thumbnails[newWorkspaceIndex].monitorIndex;
|
|
if (source.metaWindow.get_monitor() != thumbMonitor)
|
|
source.metaWindow.move_to_monitor(thumbMonitor);
|
|
source.metaWindow.change_workspace_by_index(newWorkspaceIndex, true);
|
|
} else if (source.app && source.app.can_open_new_window()) {
|
|
if (source.animateLaunchAtPos)
|
|
source.animateLaunchAtPos(actor.x, actor.y);
|
|
|
|
source.app.open_new_window(newWorkspaceIndex);
|
|
} else if (!source.app && source.shellWorkspaceLaunch) {
|
|
// While unused in our own drag sources, shellWorkspaceLaunch allows
|
|
// extensions to define custom actions for their drag sources.
|
|
source.shellWorkspaceLaunch({ workspace: newWorkspaceIndex,
|
|
timestamp: time });
|
|
}
|
|
|
|
if (source.app || (!source.app && source.shellWorkspaceLaunch)) {
|
|
// This new workspace will be automatically removed if the application fails
|
|
// to open its first window within some time, as tracked by Shell.WindowTracker.
|
|
// Here, we only add a very brief timeout to avoid the _immediate_ removal of the
|
|
// workspace while we wait for the startup sequence to load.
|
|
let workspaceManager = global.workspace_manager;
|
|
Main.wm.keepWorkspaceAlive(workspaceManager.get_workspace_by_index(newWorkspaceIndex),
|
|
WORKSPACE_KEEP_ALIVE_TIME);
|
|
}
|
|
|
|
// Start the animation on the workspace (which is actually
|
|
// an old one which just became empty)
|
|
let thumbnail = this._thumbnails[newWorkspaceIndex];
|
|
this._setThumbnailState(thumbnail, ThumbnailState.NEW);
|
|
thumbnail.slide_position = 1;
|
|
|
|
this._queueUpdateStates();
|
|
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
_createThumbnails() {
|
|
let workspaceManager = global.workspace_manager;
|
|
|
|
this._nWorkspacesNotifyId =
|
|
workspaceManager.connect('notify::n-workspaces',
|
|
this._workspacesChanged.bind(this));
|
|
this._workspacesReorderedId =
|
|
workspaceManager.connect('workspaces-reordered', () => {
|
|
this._thumbnails.sort((a, b) => {
|
|
return a.metaWorkspace.index() - b.metaWorkspace.index();
|
|
});
|
|
this.queue_relayout();
|
|
});
|
|
this._syncStackingId =
|
|
Main.overview.connect('windows-restacked',
|
|
this._syncStacking.bind(this));
|
|
|
|
this._targetScale = 0;
|
|
this._scale = 0;
|
|
this._pendingScaleUpdate = false;
|
|
this._stateUpdateQueued = false;
|
|
|
|
this._stateCounts = {};
|
|
for (let key in ThumbnailState)
|
|
this._stateCounts[ThumbnailState[key]] = 0;
|
|
|
|
this.addThumbnails(0, workspaceManager.n_workspaces);
|
|
|
|
this._updateSwitcherVisibility();
|
|
}
|
|
|
|
_destroyThumbnails() {
|
|
if (this._thumbnails.length == 0)
|
|
return;
|
|
|
|
if (this._nWorkspacesNotifyId > 0) {
|
|
let workspaceManager = global.workspace_manager;
|
|
workspaceManager.disconnect(this._nWorkspacesNotifyId);
|
|
this._nWorkspacesNotifyId = 0;
|
|
}
|
|
if (this._workspacesReorderedId > 0) {
|
|
let workspaceManager = global.workspace_manager;
|
|
workspaceManager.disconnect(this._workspacesReorderedId);
|
|
this._workspacesReorderedId = 0;
|
|
}
|
|
|
|
if (this._syncStackingId > 0) {
|
|
Main.overview.disconnect(this._syncStackingId);
|
|
this._syncStackingId = 0;
|
|
}
|
|
|
|
for (let w = 0; w < this._thumbnails.length; w++)
|
|
this._thumbnails[w].destroy();
|
|
this._thumbnails = [];
|
|
}
|
|
|
|
_workspacesChanged() {
|
|
let validThumbnails =
|
|
this._thumbnails.filter(t => t.state <= ThumbnailState.NORMAL);
|
|
let workspaceManager = global.workspace_manager;
|
|
let oldNumWorkspaces = validThumbnails.length;
|
|
let newNumWorkspaces = workspaceManager.n_workspaces;
|
|
|
|
if (newNumWorkspaces > oldNumWorkspaces) {
|
|
this.addThumbnails(oldNumWorkspaces, newNumWorkspaces - oldNumWorkspaces);
|
|
} else {
|
|
let removedIndex;
|
|
let removedNum = oldNumWorkspaces - newNumWorkspaces;
|
|
for (let w = 0; w < oldNumWorkspaces; w++) {
|
|
let metaWorkspace = workspaceManager.get_workspace_by_index(w);
|
|
if (this._thumbnails[w].metaWorkspace != metaWorkspace) {
|
|
removedIndex = w;
|
|
break;
|
|
}
|
|
}
|
|
|
|
this.removeThumbnails(removedIndex, removedNum);
|
|
}
|
|
|
|
this._updateSwitcherVisibility();
|
|
}
|
|
|
|
addThumbnails(start, count) {
|
|
let workspaceManager = global.workspace_manager;
|
|
|
|
for (let k = start; k < start + count; k++) {
|
|
let metaWorkspace = workspaceManager.get_workspace_by_index(k);
|
|
let thumbnail = new WorkspaceThumbnail(metaWorkspace);
|
|
thumbnail.setPorthole(this._porthole.x, this._porthole.y,
|
|
this._porthole.width, this._porthole.height);
|
|
this._thumbnails.push(thumbnail);
|
|
this.add_actor(thumbnail);
|
|
|
|
if (start > 0 && this._spliceIndex == -1) {
|
|
// not the initial fill, and not splicing via DND
|
|
thumbnail.state = ThumbnailState.NEW;
|
|
thumbnail.slide_position = 1; // start slid out
|
|
this._haveNewThumbnails = true;
|
|
} else {
|
|
thumbnail.state = ThumbnailState.NORMAL;
|
|
}
|
|
|
|
this._stateCounts[thumbnail.state]++;
|
|
}
|
|
|
|
this._queueUpdateStates();
|
|
|
|
// The thumbnails indicator actually needs to be on top of the thumbnails
|
|
this.set_child_above_sibling(this._indicator, null);
|
|
|
|
// Clear the splice index, we got the message
|
|
this._spliceIndex = -1;
|
|
}
|
|
|
|
removeThumbnails(start, count) {
|
|
let currentPos = 0;
|
|
for (let k = 0; k < this._thumbnails.length; k++) {
|
|
let thumbnail = this._thumbnails[k];
|
|
|
|
if (thumbnail.state > ThumbnailState.NORMAL)
|
|
continue;
|
|
|
|
if (currentPos >= start && currentPos < start + count) {
|
|
thumbnail.workspaceRemoved();
|
|
this._setThumbnailState(thumbnail, ThumbnailState.REMOVING);
|
|
}
|
|
|
|
currentPos++;
|
|
}
|
|
|
|
this._queueUpdateStates();
|
|
}
|
|
|
|
_syncStacking(overview, stackIndices) {
|
|
for (let i = 0; i < this._thumbnails.length; i++)
|
|
this._thumbnails[i].syncStacking(stackIndices);
|
|
}
|
|
|
|
set scale(scale) {
|
|
if (this._scale == scale)
|
|
return;
|
|
|
|
this._scale = scale;
|
|
this.notify('scale');
|
|
this.queue_relayout();
|
|
}
|
|
|
|
get scale() {
|
|
return this._scale;
|
|
}
|
|
|
|
_setThumbnailState(thumbnail, state) {
|
|
this._stateCounts[thumbnail.state]--;
|
|
thumbnail.state = state;
|
|
this._stateCounts[thumbnail.state]++;
|
|
}
|
|
|
|
_iterateStateThumbnails(state, callback) {
|
|
if (this._stateCounts[state] == 0)
|
|
return;
|
|
|
|
for (let i = 0; i < this._thumbnails.length; i++) {
|
|
if (this._thumbnails[i].state == state)
|
|
callback.call(this, this._thumbnails[i]);
|
|
}
|
|
}
|
|
|
|
_updateStates() {
|
|
this._stateUpdateQueued = false;
|
|
|
|
// If we are animating the indicator, wait
|
|
if (this._animatingIndicator)
|
|
return;
|
|
|
|
// Then slide out any thumbnails that have been destroyed
|
|
this._iterateStateThumbnails(ThumbnailState.REMOVING, thumbnail => {
|
|
this._setThumbnailState(thumbnail, ThumbnailState.ANIMATING_OUT);
|
|
|
|
thumbnail.ease_property('slide-position', 1, {
|
|
duration: SLIDE_ANIMATION_TIME,
|
|
mode: Clutter.AnimationMode.LINEAR,
|
|
onComplete: () => {
|
|
this._setThumbnailState(thumbnail, ThumbnailState.ANIMATED_OUT);
|
|
this._queueUpdateStates();
|
|
},
|
|
});
|
|
});
|
|
|
|
// As long as things are sliding out, don't proceed
|
|
if (this._stateCounts[ThumbnailState.ANIMATING_OUT] > 0)
|
|
return;
|
|
|
|
// Once that's complete, we can start scaling to the new size and collapse any removed thumbnails
|
|
this._iterateStateThumbnails(ThumbnailState.ANIMATED_OUT, thumbnail => {
|
|
this._setThumbnailState(thumbnail, ThumbnailState.COLLAPSING);
|
|
thumbnail.ease_property('collapse-fraction', 1, {
|
|
duration: RESCALE_ANIMATION_TIME,
|
|
mode: Clutter.AnimationMode.EASE_OUT_QUAD,
|
|
onComplete: () => {
|
|
this._stateCounts[thumbnail.state]--;
|
|
thumbnail.state = ThumbnailState.DESTROYED;
|
|
|
|
let index = this._thumbnails.indexOf(thumbnail);
|
|
this._thumbnails.splice(index, 1);
|
|
thumbnail.destroy();
|
|
|
|
this._queueUpdateStates();
|
|
},
|
|
});
|
|
});
|
|
|
|
if (this._pendingScaleUpdate) {
|
|
this.ease_property('scale', this._targetScale, {
|
|
mode: Clutter.AnimationMode.EASE_OUT_QUAD,
|
|
duration: RESCALE_ANIMATION_TIME,
|
|
onComplete: () => this._queueUpdateStates(),
|
|
});
|
|
this._pendingScaleUpdate = false;
|
|
}
|
|
|
|
// Wait until that's done
|
|
if (this._scale != this._targetScale || this._stateCounts[ThumbnailState.COLLAPSING] > 0)
|
|
return;
|
|
|
|
// And then slide in any new thumbnails
|
|
this._iterateStateThumbnails(ThumbnailState.NEW, thumbnail => {
|
|
this._setThumbnailState(thumbnail, ThumbnailState.ANIMATING_IN);
|
|
thumbnail.ease_property('slide-position', 0, {
|
|
duration: SLIDE_ANIMATION_TIME,
|
|
mode: Clutter.AnimationMode.EASE_OUT_QUAD,
|
|
onComplete: () => {
|
|
this._setThumbnailState(thumbnail, ThumbnailState.NORMAL);
|
|
},
|
|
});
|
|
});
|
|
}
|
|
|
|
_queueUpdateStates() {
|
|
if (this._stateUpdateQueued)
|
|
return;
|
|
|
|
Meta.later_add(Meta.LaterType.BEFORE_REDRAW,
|
|
this._updateStates.bind(this));
|
|
|
|
this._stateUpdateQueued = true;
|
|
}
|
|
|
|
vfunc_get_preferred_height(_forWidth) {
|
|
// Note that for getPreferredWidth/Height we cheat a bit and skip propagating
|
|
// the size request to our children because we know how big they are and know
|
|
// that the actors aren't depending on the virtual functions being called.
|
|
let workspaceManager = global.workspace_manager;
|
|
let themeNode = this.get_theme_node();
|
|
|
|
let spacing = themeNode.get_length('spacing');
|
|
let nWorkspaces = workspaceManager.n_workspaces;
|
|
let totalSpacing = (nWorkspaces - 1) * spacing;
|
|
|
|
let naturalHeight = totalSpacing + nWorkspaces * this._porthole.height * MAX_THUMBNAIL_SCALE;
|
|
|
|
return themeNode.adjust_preferred_height(totalSpacing, naturalHeight);
|
|
}
|
|
|
|
vfunc_get_preferred_width(forHeight) {
|
|
let workspaceManager = global.workspace_manager;
|
|
let themeNode = this.get_theme_node();
|
|
|
|
forHeight = themeNode.adjust_for_height(forHeight);
|
|
|
|
let spacing = themeNode.get_length('spacing');
|
|
let nWorkspaces = workspaceManager.n_workspaces;
|
|
let totalSpacing = (nWorkspaces - 1) * spacing;
|
|
|
|
let avail = forHeight - totalSpacing;
|
|
|
|
let scale = (avail / nWorkspaces) / this._porthole.height;
|
|
scale = Math.min(scale, MAX_THUMBNAIL_SCALE);
|
|
|
|
let width = Math.round(this._porthole.width * scale);
|
|
|
|
return themeNode.adjust_preferred_width(width, width);
|
|
}
|
|
|
|
_updatePorthole() {
|
|
if (!Main.layoutManager.primaryMonitor) {
|
|
this._porthole = { width: global.stage.width, height: global.stage.height,
|
|
x: global.stage.x, y: global.stage.y };
|
|
} else {
|
|
this._porthole = Main.layoutManager.getWorkAreaForMonitor(Main.layoutManager.primaryIndex);
|
|
}
|
|
|
|
this.queue_relayout();
|
|
}
|
|
|
|
vfunc_allocate(box) {
|
|
this.set_allocation(box);
|
|
|
|
let rtl = Clutter.get_default_text_direction() == Clutter.TextDirection.RTL;
|
|
|
|
if (this._thumbnails.length == 0) // not visible
|
|
return;
|
|
|
|
let workspaceManager = global.workspace_manager;
|
|
let themeNode = this.get_theme_node();
|
|
|
|
box = themeNode.get_content_box(box);
|
|
|
|
let portholeWidth = this._porthole.width;
|
|
let portholeHeight = this._porthole.height;
|
|
let spacing = themeNode.get_length('spacing');
|
|
|
|
// Compute the scale we'll need once everything is updated
|
|
let nWorkspaces = workspaceManager.n_workspaces;
|
|
let totalSpacing = (nWorkspaces - 1) * spacing;
|
|
let avail = (box.y2 - box.y1) - totalSpacing;
|
|
|
|
let newScale = (avail / nWorkspaces) / portholeHeight;
|
|
newScale = Math.min(newScale, MAX_THUMBNAIL_SCALE);
|
|
|
|
if (newScale != this._targetScale) {
|
|
if (this._targetScale > 0) {
|
|
// We don't do the tween immediately because we need to observe the ordering
|
|
// in queueUpdateStates - if workspaces have been removed we need to slide them
|
|
// out as the first thing.
|
|
this._targetScale = newScale;
|
|
this._pendingScaleUpdate = true;
|
|
} else {
|
|
this._targetScale = this._scale = newScale;
|
|
}
|
|
|
|
this._queueUpdateStates();
|
|
}
|
|
|
|
let thumbnailHeight = portholeHeight * this._scale;
|
|
let thumbnailWidth = Math.round(portholeWidth * this._scale);
|
|
let roundedHScale = thumbnailWidth / portholeWidth;
|
|
|
|
let slideOffset; // X offset when thumbnail is fully slid offscreen
|
|
if (rtl)
|
|
slideOffset = -(thumbnailWidth + themeNode.get_padding(St.Side.LEFT));
|
|
else
|
|
slideOffset = thumbnailWidth + themeNode.get_padding(St.Side.RIGHT);
|
|
|
|
let indicatorValue = this._scrollAdjustment.value;
|
|
let indicatorUpperWs = Math.ceil(indicatorValue);
|
|
let indicatorLowerWs = Math.floor(indicatorValue);
|
|
|
|
let indicatorLowerY1 = 0;
|
|
let indicatorLowerY2 = 0;
|
|
let indicatorUpperY1 = 0;
|
|
let indicatorUpperY2 = 0;
|
|
|
|
let indicatorThemeNode = this._indicator.get_theme_node();
|
|
let indicatorTopFullBorder = indicatorThemeNode.get_padding(St.Side.TOP) + indicatorThemeNode.get_border_width(St.Side.TOP);
|
|
let indicatorBottomFullBorder = indicatorThemeNode.get_padding(St.Side.BOTTOM) + indicatorThemeNode.get_border_width(St.Side.BOTTOM);
|
|
let indicatorLeftFullBorder = indicatorThemeNode.get_padding(St.Side.LEFT) + indicatorThemeNode.get_border_width(St.Side.LEFT);
|
|
let indicatorRightFullBorder = indicatorThemeNode.get_padding(St.Side.RIGHT) + indicatorThemeNode.get_border_width(St.Side.RIGHT);
|
|
|
|
let y = box.y1;
|
|
|
|
if (this._dropPlaceholderPos == -1) {
|
|
Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
|
|
this._dropPlaceholder.hide();
|
|
});
|
|
}
|
|
|
|
let childBox = new Clutter.ActorBox();
|
|
|
|
for (let i = 0; i < this._thumbnails.length; i++) {
|
|
let thumbnail = this._thumbnails[i];
|
|
|
|
if (i > 0)
|
|
y += spacing - Math.round(thumbnail.collapse_fraction * spacing);
|
|
|
|
let x1, x2;
|
|
if (rtl) {
|
|
x1 = box.x1 + slideOffset * thumbnail.slide_position;
|
|
x2 = x1 + thumbnailWidth;
|
|
} else {
|
|
x1 = box.x2 - thumbnailWidth + slideOffset * thumbnail.slide_position;
|
|
x2 = x1 + thumbnailWidth;
|
|
}
|
|
|
|
if (i == this._dropPlaceholderPos) {
|
|
let [, placeholderHeight] = this._dropPlaceholder.get_preferred_height(-1);
|
|
childBox.x1 = x1;
|
|
childBox.x2 = x2;
|
|
childBox.y1 = Math.round(y);
|
|
childBox.y2 = Math.round(y + placeholderHeight);
|
|
this._dropPlaceholder.allocate(childBox);
|
|
Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
|
|
this._dropPlaceholder.show();
|
|
});
|
|
y += placeholderHeight + spacing;
|
|
}
|
|
|
|
// We might end up with thumbnailHeight being something like 99.33
|
|
// pixels. To make this work and not end up with a gap at the bottom,
|
|
// we need some thumbnails to be 99 pixels and some 100 pixels height;
|
|
// we compute an actual scale separately for each thumbnail.
|
|
let y1 = Math.round(y);
|
|
let y2 = Math.round(y + thumbnailHeight);
|
|
let roundedVScale = (y2 - y1) / portholeHeight;
|
|
|
|
if (i === indicatorUpperWs) {
|
|
indicatorUpperY1 = y1;
|
|
indicatorUpperY2 = y2;
|
|
}
|
|
if (i === indicatorLowerWs) {
|
|
indicatorLowerY1 = y1;
|
|
indicatorLowerY2 = y2;
|
|
}
|
|
|
|
// Allocating a scaled actor is funny - x1/y1 correspond to the origin
|
|
// of the actor, but x2/y2 are increased by the *unscaled* size.
|
|
childBox.x1 = x1;
|
|
childBox.x2 = x1 + portholeWidth;
|
|
childBox.y1 = y1;
|
|
childBox.y2 = y1 + portholeHeight;
|
|
|
|
thumbnail.set_scale(roundedHScale, roundedVScale);
|
|
thumbnail.allocate(childBox);
|
|
|
|
// We round the collapsing portion so that we don't get thumbnails resizing
|
|
// during an animation due to differences in rounded, but leave the uncollapsed
|
|
// portion unrounded so that non-animating we end up with the right total
|
|
y += thumbnailHeight - Math.round(thumbnailHeight * thumbnail.collapse_fraction);
|
|
}
|
|
|
|
if (rtl) {
|
|
childBox.x1 = box.x1;
|
|
childBox.x2 = box.x1 + thumbnailWidth;
|
|
} else {
|
|
childBox.x1 = box.x2 - thumbnailWidth;
|
|
childBox.x2 = box.x2;
|
|
}
|
|
let indicatorY1 = indicatorLowerY1 +
|
|
(indicatorUpperY1 - indicatorLowerY1) * (indicatorValue % 1);
|
|
let indicatorY2 = indicatorLowerY2 +
|
|
(indicatorUpperY2 - indicatorLowerY2) * (indicatorValue % 1);
|
|
|
|
childBox.x1 -= indicatorLeftFullBorder;
|
|
childBox.x2 += indicatorRightFullBorder;
|
|
childBox.y1 = indicatorY1 - indicatorTopFullBorder;
|
|
childBox.y2 = indicatorY2 + indicatorBottomFullBorder;
|
|
this._indicator.allocate(childBox);
|
|
}
|
|
});
|