1227 lines
45 KiB
JavaScript
1227 lines
45 KiB
JavaScript
/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
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const Big = imports.gi.Big;
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const Clutter = imports.gi.Clutter;
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const GdkPixbuf = imports.gi.GdkPixbuf;
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const Gtk = imports.gi.Gtk;
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const Lang = imports.lang;
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const Mainloop = imports.mainloop;
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const Meta = imports.gi.Meta;
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const Pango = imports.gi.Pango;
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const Shell = imports.gi.Shell;
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const Signals = imports.signals;
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const Tweener = imports.tweener.tweener;
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const Main = imports.ui.main;
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const Overlay = imports.ui.overlay;
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const Panel = imports.ui.panel;
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// Windows are slightly translucent in the overlay mode
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const WINDOW_OPACITY = 0.9 * 255;
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const FOCUS_ANIMATION_TIME = 0.15;
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const SNAP_BACK_ANIMATION_TIME = 0.25;
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const WINDOWCLONE_BG_COLOR = new Clutter.Color();
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WINDOWCLONE_BG_COLOR.from_pixel(0x000000f0);
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const WINDOWCLONE_TITLE_COLOR = new Clutter.Color();
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WINDOWCLONE_TITLE_COLOR.from_pixel(0xffffffff);
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const FRAME_COLOR = new Clutter.Color();
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FRAME_COLOR.from_pixel(0xffffffff);
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// Define a layout scheme for small window counts. For larger
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// counts we fall back to an algorithm. We need more schemes here
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// unless we have a really good algorithm.
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// Each triplet is [xCenter, yCenter, scale] where the scale
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// is relative to the width of the workspace.
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const POSITIONS = {
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1: [[0.5, 0.5, 0.8]],
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2: [[0.25, 0.5, 0.4], [0.75, 0.5, 0.4]],
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3: [[0.25, 0.25, 0.33], [0.75, 0.25, 0.33], [0.5, 0.75, 0.33]],
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4: [[0.25, 0.25, 0.33], [0.75, 0.25, 0.33], [0.75, 0.75, 0.33], [0.25, 0.75, 0.33]],
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5: [[0.165, 0.25, 0.28], [0.495, 0.25, 0.28], [0.825, 0.25, 0.28], [0.25, 0.75, 0.4], [0.75, 0.75, 0.4]]
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};
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// Spacing between workspaces. At the moment, the same spacing is used
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// in both zoomed-in and zoomed-out views; this is slightly
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// metaphor-breaking, but the alternatives are also weird.
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const GRID_SPACING = 15;
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const FRAME_SIZE = GRID_SPACING / 3;
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function WindowClone(realWindow) {
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this._init(realWindow);
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}
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WindowClone.prototype = {
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_init : function(realWindow) {
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this.actor = new Clutter.CloneTexture({ parent_texture: realWindow.get_texture(),
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reactive: true,
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x: realWindow.x,
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y: realWindow.y });
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this.realWindow = realWindow;
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this.metaWindow = realWindow.meta_window;
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this.origX = realWindow.x;
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this.origY = realWindow.y;
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this.actor.connect('button-press-event',
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Lang.bind(this, this._onButtonPress));
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this.actor.connect('button-release-event',
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Lang.bind(this, this._onButtonRelease));
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this.actor.connect('enter-event',
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Lang.bind(this, this._onEnter));
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this.actor.connect('leave-event',
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Lang.bind(this, this._onLeave));
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this.actor.connect('motion-event',
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Lang.bind(this, this._onMotion));
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this._havePointer = false;
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this._inDrag = false;
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this._buttonDown = false;
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// We track the number of animations we are doing for the clone so we can
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// hide the floating title while animating. It seems like it should be
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// possible to use Tweener.getTweenCount(clone), but that annoyingly only
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// updates after onComplete is called.
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this._animationCount = 0;
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},
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destroy: function () {
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this.actor.destroy();
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if (this._title)
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this._title.destroy();
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},
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addTween: function (params) {
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this._animationCount++;
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this._updateTitle();
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if (params.onComplete) {
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let oldOnComplete = params.onComplete;
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let oldOnCompleteScope = params.onCompleteScope;
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let oldOnCompleteParams = params.onCompleteParams;
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let eventScope = oldOnCompleteScope ? oldOnCompleteScope : this.actor;
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params.onComplete = function () {
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oldOnComplete.apply(eventScope, oldOnCompleteParams);
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this._onAnimationComplete();
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};
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} else
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params.onComplete = this._onAnimationComplete;
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params.onCompleteScope = this;
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Tweener.addTween(this.actor, params);
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},
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_onEnter: function (actor, event) {
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// If the user drags faster than we can follow, he'll end up
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// leaving the window temporarily and then re-entering it
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if (this._inDrag)
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return;
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this._havePointer = true;
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actor.raise_top();
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this._updateTitle();
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},
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_onLeave: function (actor, event) {
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// If the user drags faster than we can follow, he'll end up
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// leaving the window temporarily and then re-entering it
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if (this._inDrag)
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return;
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this._havePointer = false;
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if (this._animationCount)
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return;
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actor.raise(this.stackAbove);
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this._updateTitle();
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},
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_onButtonPress : function (actor, event) {
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if (this._animationCount)
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return;
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actor.raise_top();
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let [stageX, stageY] = event.get_coords();
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this._buttonDown = true;
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this._dragStartX = stageX;
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this._dragStartY = stageY;
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Clutter.grab_pointer(actor);
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this._updateTitle();
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},
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_onMotion : function (actor, event) {
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if (!this._buttonDown)
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return;
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let [stageX, stageY] = event.get_coords();
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// If we haven't begun a drag, see if the user has moved the mouse enough
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// to trigger a drag
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let dragThreshold = Gtk.Settings.get_default().gtk_dnd_drag_threshold;
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if (!this._inDrag &&
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(Math.abs(stageX - this._dragStartX) > dragThreshold ||
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Math.abs(stageY - this._dragStartY) > dragThreshold)) {
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this._inDrag = true;
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this._dragOrigParent = actor.get_parent();
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this._dragOrigX = actor.x;
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this._dragOrigY = actor.y;
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this._dragOrigScale = actor.scale_x;
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let [cloneStageX, cloneStageY] = actor.get_transformed_position();
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this._dragOffsetX = cloneStageX - this._dragStartX;
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this._dragOffsetY = cloneStageY - this._dragStartY;
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// Reparent the clone onto the stage, but keeping the same scale.
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// (the set_position call below will take care of position.)
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let [scaledWidth, scaledHeight] = actor.get_transformed_size();
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actor.reparent(actor.get_stage());
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actor.raise_top();
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actor.set_scale(scaledWidth / actor.width,
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scaledHeight / actor.height);
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}
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// If we are dragging, update the position
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if (this._inDrag) {
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actor.set_position(stageX + this._dragOffsetX,
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stageY + this._dragOffsetY);
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}
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},
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_onButtonRelease : function (actor, event) {
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Clutter.ungrab_pointer();
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let inDrag = this._inDrag;
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this._buttonDown = false;
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this._inDrag = false;
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if (inDrag) {
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let [stageX, stageY] = event.get_coords();
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let origWorkspace = this.realWindow.get_workspace();
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this.emit('dragged', stageX, stageY, event.get_time());
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if (this.realWindow.get_workspace() == origWorkspace) {
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// Didn't get moved elsewhere, restore position
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this.addTween({ x: this._dragStartX + this._dragOffsetX,
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y: this._dragStartY + this._dragOffsetY,
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time: SNAP_BACK_ANIMATION_TIME,
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transition: "easeOutQuad",
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onComplete: this._onSnapBackComplete,
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onCompleteScope: this
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});
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// Most likely, the clone is going to move away from the
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// pointer now. But that won't cause a leave-event, so
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// do this by hand. Of course, if the window only snaps
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// back a short distance, this might be wrong, but it's
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// better to have the label mysteriously missing than
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// mysteriously present
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this._havePointer = false;
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}
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} else
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this.emit('selected', event.get_time());
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},
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_onSnapBackComplete : function () {
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this.actor.reparent(this._dragOrigParent);
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this.actor.set_scale(this._dragOrigScale, this._dragOrigScale);
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this.actor.set_position(this._dragOrigX, this._dragOrigY);
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},
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_onAnimationComplete : function () {
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this._animationCount--;
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if (this._animationCount == 0) {
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this._updateTitle();
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this.actor.raise(this.stackAbove);
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}
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},
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_createTitle : function () {
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let window = this.realWindow;
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let box = new Big.Box({ background_color : WINDOWCLONE_BG_COLOR,
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y_align: Big.BoxAlignment.CENTER,
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corner_radius: 5,
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padding: 4,
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spacing: 4,
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orientation: Big.BoxOrientation.HORIZONTAL });
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let icon = this.metaWindow.mini_icon;
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let iconTexture = new Clutter.Texture({ x: this.actor.x,
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y: this.actor.y + this.actor.height - 16,
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width: 16,
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height: 16,
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keep_aspect_ratio: true });
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Shell.clutter_texture_set_from_pixbuf(iconTexture, icon);
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box.append(iconTexture, Big.BoxPackFlags.NONE);
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let title = new Clutter.Label({ color: WINDOWCLONE_TITLE_COLOR,
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font_name: "Sans 12",
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text: this.metaWindow.title,
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ellipsize: Pango.EllipsizeMode.END
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});
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box.append(title, Big.BoxPackFlags.EXPAND);
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// Get and cache the expected width (just the icon), with spacing, plus title
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box.fullWidth = box.width;
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box.hide(); // Hidden by default, show on mouseover
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this._title = box;
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// Make the title a sibling of the window
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this.actor.get_parent().add_actor(box);
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},
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_adjustTitle : function () {
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let title = this._title;
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if (!title)
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return;
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let [cloneScreenWidth, cloneScreenHeight] = this.actor.get_transformed_size();
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let [titleScreenWidth, titleScreenHeight] = title.get_transformed_size();
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// Titles are supposed to be "full-size", so adjust its
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// scale to counteract the scaling of its ancestor actors.
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title.set_scale(title.width / titleScreenWidth * title.scale_x,
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title.height / titleScreenHeight * title.scale_y);
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title.width = Math.min(title.fullWidth, cloneScreenWidth);
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let xoff = ((cloneScreenWidth - title.width) / 2) * title.scale_x;
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title.set_position(this.actor.x + xoff, this.actor.y);
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},
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_showTitle : function () {
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if (!this._title)
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this._createTitle();
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this._adjustTitle();
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this._title.show();
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this._title.raise(this.actor);
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},
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_hideTitle : function () {
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if (!this._title)
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return;
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this._title.hide();
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},
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_updateTitle : function () {
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let shouldShow = (this._havePointer &&
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!this._buttonDown &&
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this._animationCount == 0);
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if (shouldShow)
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this._showTitle();
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else
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this._hideTitle();
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}
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};
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Signals.addSignalMethods(WindowClone.prototype);
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function DesktopClone(window) {
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this._init(window);
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}
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DesktopClone.prototype = {
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_init : function(window) {
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if (window) {
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this.actor = new Clutter.CloneTexture({ parent_texture: window.get_texture(),
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reactive: true });
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} else {
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let global = Shell.Global.get();
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this.actor = new Clutter.Rectangle({ color: global.stage.color,
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reactive: true,
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width: global.screen_width,
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height: global.screen_height });
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}
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this.actor.connect('button-release-event',
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Lang.bind(this, this._onButtonRelease));
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},
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_onButtonRelease : function (actor, event) {
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this.emit('selected', event.get_time());
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}
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};
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Signals.addSignalMethods(DesktopClone.prototype);
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function Workspace(workspaceNum) {
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this._init(workspaceNum);
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}
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Workspace.prototype = {
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_init : function(workspaceNum) {
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let me = this;
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let global = Shell.Global.get();
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this.workspaceNum = workspaceNum;
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this._metaWorkspace = global.screen.get_workspace_by_index(workspaceNum);
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this.actor = new Clutter.Group();
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this.scale = 1.0;
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let windows = global.get_windows().filter(this._isMyWindow, this);
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// Find the desktop window
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for (let i = 0; i < windows.length; i++) {
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if (windows[i].get_window_type() == Meta.WindowType.DESKTOP) {
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this._desktop = new DesktopClone(windows[i]);
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break;
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}
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}
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// If there wasn't one, fake it
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if (!this._desktop)
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this._desktop = new DesktopClone();
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this._desktop.connect('selected',
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Lang.bind(this,
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function(clone, time) {
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this._metaWorkspace.activate(time);
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Main.hide_overlay();
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}));
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this.actor.add_actor(this._desktop.actor);
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// Create clones for remaining windows that should be
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// visible in the overlay
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this._windows = [this._desktop];
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for (let i = 0; i < windows.length; i++) {
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if (this._isOverlayWindow(windows[i])) {
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this._addWindowClone(windows[i]);
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}
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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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Lang.bind(this, this._windowAdded));
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this._windowRemovedId = this._metaWorkspace.connect('window-removed',
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Lang.bind(this, this._windowRemoved));
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this._removeButton = null;
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this._visible = false;
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this._frame = null;
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this.leavingOverlay = false;
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},
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updateRemovable : function() {
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let global = Shell.Global.get();
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let removable = (this._windows.length == 1 /* just desktop */ &&
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this.workspaceNum == global.screen.n_workspaces - 1);
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if (removable) {
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if (this._removeButton)
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return;
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this._removeButton = new Clutter.Texture({ width: Workspaces.buttonSize,
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height: Workspaces.buttonSize,
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reactive: true
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});
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this._removeButton.set_from_file(global.imagedir + "remove-workspace.svg");
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this._removeButton.connect('button-release-event', Lang.bind(this, this._removeSelf));
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this.actor.add_actor(this._removeButton);
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this._adjustRemoveButton();
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this._adjustRemoveButtonId = this.actor.connect('notify::scale-x', Lang.bind(this, this._adjustRemoveButton));
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if (this._visible) {
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this._removeButton.set_opacity(0);
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Tweener.addTween(this._removeButton,
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{ opacity: 255,
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time: Overlay.ANIMATION_TIME,
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transition: "easeOutQuad"
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});
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}
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} else {
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if (!this._removeButton)
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return;
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if (this._visible) {
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Tweener.addTween(this._removeButton,
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{ opacity: 0,
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time: Overlay.ANIMATION_TIME,
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transition: "easeOutQuad",
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onComplete: this._removeRemoveButton,
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onCompleteScope: this
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});
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} else
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this._removeRemoveButton();
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}
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},
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_adjustRemoveButton : function() {
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this._removeButton.set_scale(1.0 / this.actor.scale_x,
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1.0 / this.actor.scale_y);
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this._removeButton.set_position(
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(this.actor.width - this._removeButton.width / this.actor.scale_x) / 2,
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(this.actor.height - this._removeButton.height / this.actor.scale_y) / 2);
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},
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_removeRemoveButton : function() {
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this._removeButton.destroy();
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this._removeButton = null;
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this.actor.disconnect(this._adjustRemoveButtonId);
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},
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// Mark the workspace selected/not-selected
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setSelected : function(selected) {
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if (selected) {
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if (this._frame)
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return;
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// FIXME: do something cooler-looking using clutter-cairo
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this._frame = new Clutter.Rectangle({ color: FRAME_COLOR });
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this.actor.add_actor(this._frame);
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this._frame.set_position(this._desktop.actor.x - FRAME_SIZE / this.actor.scale_x,
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this._desktop.actor.y - FRAME_SIZE / this.actor.scale_y);
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this._frame.set_size(this._desktop.actor.width + 2 * FRAME_SIZE / this.actor.scale_x,
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this._desktop.actor.height + 2 * FRAME_SIZE / this.actor.scale_y);
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this._frame.lower_bottom();
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this._framePosHandler = this.actor.connect('notify::x', Lang.bind(this, this._updateFramePosition));
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this._frameSizeHandler = this.actor.connect('notify::scale-x', Lang.bind(this, this._updateFrameSize));
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} else {
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if (!this._frame)
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return;
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this.actor.disconnect(this._framePosHandler);
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this.actor.disconnect(this._frameSizeHandler);
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this._frame.destroy();
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this._frame = null;
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}
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},
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_updateFramePosition : function() {
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this._frame.set_position(this._desktop.actor.x - FRAME_SIZE / this.actor.scale_x,
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this._desktop.actor.y - FRAME_SIZE / this.actor.scale_y);
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},
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_updateFrameSize : function() {
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this._frame.set_size(this._desktop.actor.width + 2 * FRAME_SIZE / this.actor.scale_x,
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this._desktop.actor.height + 2 * FRAME_SIZE / this.actor.scale_y);
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},
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|
|
// Reposition all windows in their zoomed-to-overlay position. if workspaceZooming
|
|
// is true, then the workspace is moving at the same time and we need to take
|
|
// that into account
|
|
_positionWindows : function(workspaceZooming) {
|
|
let global = Shell.Global.get();
|
|
|
|
for (let i = 1; i < this._windows.length; i++) {
|
|
let clone = this._windows[i];
|
|
clone.stackAbove = this._windows[i - 1].actor;
|
|
|
|
let [xCenter, yCenter, fraction] = this._computeWindowPosition(i);
|
|
xCenter = xCenter * global.screen_width;
|
|
yCenter = yCenter * global.screen_height;
|
|
|
|
let size = Math.max(clone.actor.width, clone.actor.height);
|
|
let desiredSize = global.screen_width * fraction;
|
|
let scale = Math.min(desiredSize / size, 1.0);
|
|
|
|
let tweenProperties = {
|
|
x: xCenter - 0.5 * scale * clone.actor.width,
|
|
y: yCenter - 0.5 * scale * clone.actor.height,
|
|
scale_x: scale,
|
|
scale_y: scale,
|
|
time: Overlay.ANIMATION_TIME,
|
|
opacity: WINDOW_OPACITY,
|
|
transition: "easeOutQuad"
|
|
};
|
|
|
|
// workspace_relative assumes that the workspace is zooming in or out
|
|
if (workspaceZooming)
|
|
tweenProperties['workspace_relative'] = this;
|
|
|
|
clone.addTween(tweenProperties);
|
|
}
|
|
},
|
|
|
|
_windowRemoved : function(metaWorkspace, metaWin) {
|
|
let global = Shell.Global.get();
|
|
let win = metaWin.get_compositor_private();
|
|
|
|
// find the position of the window in our list
|
|
let index = - 1, clone;
|
|
for (let i = 0; i < this._windows.length; i++) {
|
|
if (this._windows[i].metaWindow == metaWin) {
|
|
index = i;
|
|
clone = this._windows[index];
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (index == -1)
|
|
return;
|
|
this._windows.splice(index, 1);
|
|
|
|
// If metaWin.get_compositor_private() returned non-NULL, that
|
|
// means the window still exists (and is just being moved to
|
|
// another workspace or something), so set its overlayHint
|
|
// accordingly. (If it returned NULL, then the window is being
|
|
// destroyed; we'd like to animate this, but it's too late at
|
|
// this point.)
|
|
if (win) {
|
|
let [stageX, stageY] = clone.actor.get_transformed_position();
|
|
let [stageWidth, stageHeight] = clone.actor.get_transformed_size();
|
|
win._overlayHint = {
|
|
x: stageX,
|
|
y: stageY,
|
|
scale: stageWidth / clone.actor.width
|
|
};
|
|
}
|
|
clone.destroy();
|
|
|
|
this._positionWindows();
|
|
this.updateRemovable();
|
|
},
|
|
|
|
_windowAdded : function(metaWorkspace, metaWin) {
|
|
let win = metaWin.get_compositor_private();
|
|
|
|
if (!win) {
|
|
// Newly-created windows are added to a workspace before
|
|
// the compositor finds out about them...
|
|
Mainloop.idle_add(Lang.bind(this,
|
|
function () {
|
|
if (metaWin.get_compositor_private())
|
|
this._windowAdded(metaWorkspace, metaWin);
|
|
return false;
|
|
}));
|
|
return;
|
|
}
|
|
|
|
let clone = this._addWindowClone(win);
|
|
|
|
if (win._overlayHint) {
|
|
let x = (win._overlayHint.x - this.actor.x) / this.scale;
|
|
let y = (win._overlayHint.y - this.actor.y) / this.scale;
|
|
let scale = win._overlayHint.scale / this.scale;
|
|
delete win._overlayHint;
|
|
|
|
clone.actor.set_position (x, y);
|
|
clone.actor.set_scale (scale, scale);
|
|
}
|
|
|
|
this._positionWindows();
|
|
this.updateRemovable();
|
|
},
|
|
|
|
// Animate the full-screen to overlay transition.
|
|
zoomToOverlay : function() {
|
|
// Move the workspace into size/position
|
|
this.actor.set_position(this.fullSizeX, this.fullSizeY);
|
|
|
|
this.updateInOverlay();
|
|
|
|
this._visible = true;
|
|
},
|
|
|
|
// Animates the display of a workspace and its windows to have the current dimensions and position.
|
|
updateInOverlay : function() {
|
|
Tweener.addTween(this.actor,
|
|
{ x: this.gridX,
|
|
y: this.gridY,
|
|
scale_x: this.scale,
|
|
scale_y: this.scale,
|
|
time: Overlay.ANIMATION_TIME,
|
|
transition: "easeOutQuad"
|
|
});
|
|
|
|
// Likewise for each of the windows in the workspace.
|
|
this._positionWindows(true);
|
|
},
|
|
|
|
// Animates the return from overlay mode
|
|
zoomFromOverlay : function() {
|
|
this.leavingOverlay = true;
|
|
|
|
Tweener.addTween(this.actor,
|
|
{ x: this.fullSizeX,
|
|
y: this.fullSizeY,
|
|
scale_x: 1.0,
|
|
scale_y: 1.0,
|
|
time: Overlay.ANIMATION_TIME,
|
|
transition: "easeOutQuad"
|
|
});
|
|
|
|
for (let i = 1; i < this._windows.length; i++) {
|
|
let clone = this._windows[i];
|
|
clone.addTween({ x: clone.origX,
|
|
y: clone.origY,
|
|
scale_x: 1.0,
|
|
scale_y: 1.0,
|
|
workspace_relative: this,
|
|
time: Overlay.ANIMATION_TIME,
|
|
opacity: 255,
|
|
transition: "easeOutQuad"
|
|
});
|
|
}
|
|
|
|
this.leavingOverlay = false;
|
|
this._visible = false;
|
|
|
|
},
|
|
|
|
// Animates grid shrinking/expanding when a row or column
|
|
// of workspaces is added or removed
|
|
resizeToGrid : function (oldScale) {
|
|
Tweener.addTween(this.actor,
|
|
{ x: this.gridX,
|
|
y: this.gridY,
|
|
scale_x: this.scale,
|
|
scale_y: this.scale,
|
|
time: Overlay.ANIMATION_TIME,
|
|
transition: "easeOutQuad"
|
|
});
|
|
},
|
|
|
|
// Animates the addition of a new (empty) workspace
|
|
slideIn : function(oldScale) {
|
|
let global = Shell.Global.get();
|
|
|
|
if (this.gridCol > this.gridRow) {
|
|
this.actor.set_position(global.screen_width, this.gridY);
|
|
this.actor.set_scale(oldScale, oldScale);
|
|
} else {
|
|
this.actor.set_position(this.gridX, global.screen_height);
|
|
this.actor.set_scale(this.scale, this.scale);
|
|
}
|
|
Tweener.addTween(this.actor,
|
|
{ x: this.gridX,
|
|
y: this.gridY,
|
|
scale_x: this.scale,
|
|
scale_y: this.scale,
|
|
time: Overlay.ANIMATION_TIME,
|
|
transition: "easeOutQuad"
|
|
});
|
|
|
|
this._visible = true;
|
|
},
|
|
|
|
// Animates the removal of a workspace
|
|
slideOut : function(onComplete) {
|
|
let global = Shell.Global.get();
|
|
let destX = this.actor.x, destY = this.actor.y;
|
|
|
|
if (this.gridCol > this.gridRow)
|
|
destX = global.screen_width;
|
|
else
|
|
destY = global.screen_height;
|
|
Tweener.addTween(this.actor,
|
|
{ x: destX,
|
|
y: destY,
|
|
scale_x: this.scale,
|
|
scale_y: this.scale,
|
|
time: Overlay.ANIMATION_TIME,
|
|
transition: "easeOutQuad",
|
|
onComplete: onComplete
|
|
});
|
|
|
|
this._visible = false;
|
|
|
|
// Don't let the user try to select this workspace as it's
|
|
// making its exit.
|
|
this._desktop.reactive = false;
|
|
},
|
|
|
|
destroy : function() {
|
|
let global = Shell.Global.get();
|
|
|
|
this.actor.destroy();
|
|
this.actor = null;
|
|
|
|
this._metaWorkspace.disconnect(this._windowAddedId);
|
|
this._metaWorkspace.disconnect(this._windowRemovedId);
|
|
},
|
|
|
|
// Tests if @win belongs to this workspaces
|
|
_isMyWindow : function (win) {
|
|
return win.get_workspace() == this.workspaceNum ||
|
|
(win.get_meta_window() && win.get_meta_window().is_on_all_workspaces());
|
|
},
|
|
|
|
// Tests if @win should be shown in the overlay
|
|
_isOverlayWindow : function (win) {
|
|
let wintype = win.get_window_type();
|
|
if (wintype == Meta.WindowType.DESKTOP ||
|
|
wintype == Meta.WindowType.DOCK)
|
|
return false;
|
|
return !win.is_override_redirect();
|
|
},
|
|
|
|
// Create a clone of a (non-desktop) window and add it to the window list
|
|
_addWindowClone : function(win) {
|
|
let clone = new WindowClone(win);
|
|
clone.connect('selected',
|
|
Lang.bind(this, this._onCloneSelected));
|
|
clone.connect('dragged',
|
|
Lang.bind(this, this._onCloneDragged));
|
|
|
|
this.actor.add_actor(clone.actor);
|
|
this._windows.push(clone);
|
|
|
|
return clone;
|
|
},
|
|
|
|
_computeWindowPosition : function(index) {
|
|
// ignore this._windows[0], which is the desktop
|
|
let windowIndex = index - 1;
|
|
let numberOfWindows = this._windows.length - 1;
|
|
|
|
if (numberOfWindows in POSITIONS)
|
|
return POSITIONS[numberOfWindows][windowIndex];
|
|
|
|
// If we don't have a predefined scheme for this window count,
|
|
// overlap the windows along the diagonal of the workspace
|
|
// (improve this!)
|
|
let fraction = Math.sqrt(1/numberOfWindows);
|
|
|
|
// The top window goes at the lower right - this is different from the
|
|
// fixed position schemes where the windows are in "reading order"
|
|
// and the top window goes at the upper left.
|
|
let pos = (numberOfWindows - windowIndex - 1) / (numberOfWindows - 1);
|
|
let xCenter = (fraction / 2) + (1 - fraction) * pos;
|
|
let yCenter = xCenter;
|
|
|
|
return [xCenter, yCenter, fraction];
|
|
},
|
|
|
|
_onCloneDragged : function (clone, stageX, stageY, time) {
|
|
this.emit('window-dragged', clone, stageX, stageY, time);
|
|
},
|
|
|
|
_onCloneSelected : function (clone, time) {
|
|
let global = Shell.Global.get();
|
|
let activeWorkspace = global.screen.get_active_workspace_index();
|
|
let windowWorkspace = clone.realWindow.get_workspace();
|
|
|
|
if (windowWorkspace != activeWorkspace) {
|
|
let workspace = global.screen.get_workspace_by_index(windowWorkspace);
|
|
workspace.activate_with_focus(clone.metaWindow, time);
|
|
} else
|
|
clone.metaWindow.activate(time);
|
|
Main.hide_overlay();
|
|
},
|
|
|
|
_removeSelf : function(actor, event) {
|
|
let global = Shell.Global.get();
|
|
let screen = global.screen;
|
|
let workspace = screen.get_workspace_by_index(this.workspaceNum);
|
|
|
|
screen.remove_workspace(workspace, event.get_time());
|
|
return true;
|
|
}
|
|
};
|
|
|
|
Signals.addSignalMethods(Workspace.prototype);
|
|
|
|
function Workspaces() {
|
|
this._init();
|
|
}
|
|
|
|
Workspaces.prototype = {
|
|
_init : function() {
|
|
let global = Shell.Global.get();
|
|
|
|
this.actor = new Clutter.Group();
|
|
|
|
let screenHeight = global.screen_height;
|
|
|
|
this._width = null;
|
|
this._height = null;
|
|
this._x = null;
|
|
this._y = null;
|
|
this._bottomHeight = null;
|
|
|
|
this._setDimensions(true);
|
|
|
|
this._bottomHeight = screenHeight - this._height - this._y;
|
|
|
|
this._workspaces = [];
|
|
|
|
let activeWorkspaceIndex = global.screen.get_active_workspace_index();
|
|
let activeWorkspace;
|
|
|
|
// Create and position workspace objects
|
|
for (let w = 0; w < global.screen.n_workspaces; w++) {
|
|
this._addWorkspaceActor(w);
|
|
if (w == activeWorkspaceIndex) {
|
|
activeWorkspace = this._workspaces[w];
|
|
activeWorkspace.setSelected(true);
|
|
}
|
|
}
|
|
activeWorkspace.actor.raise_top();
|
|
this._positionWorkspaces(global, activeWorkspace);
|
|
|
|
// Create a backdrop rectangle, so that you don't see the
|
|
// other parts of the overlay (eg, sidebar) through the gaps
|
|
// between the workspaces when they're zooming in/out
|
|
this._backdrop = new Clutter.Rectangle({ color: Overlay.OVERLAY_BACKGROUND_COLOR,
|
|
x: this._backdropX,
|
|
y: this._backdropY,
|
|
width: this._backdropWidth,
|
|
height: this._backdropHeight
|
|
});
|
|
this.actor.add_actor(this._backdrop);
|
|
this._backdrop.lower_bottom();
|
|
Tweener.addTween(this._backdrop,
|
|
{ x: this._x,
|
|
y: this._y,
|
|
width: this._width,
|
|
height: this._height,
|
|
time: Overlay.ANIMATION_TIME,
|
|
transition: "easeOutQuad"
|
|
});
|
|
|
|
// Create (+) and (-) buttons
|
|
// FIXME: figure out a better way to communicate buttonSize
|
|
// to the Workspace
|
|
Workspaces.buttonSize = Math.floor(this._bottomHeight * 3/5);
|
|
this._plusX = this._x + this._width - Workspaces.buttonSize;
|
|
this._plusY = screenHeight - Math.floor(this._bottomHeight * 4/5);
|
|
|
|
let plus = new Clutter.Texture({ x: this._plusX,
|
|
y: this._plusY,
|
|
width: Workspaces.buttonSize,
|
|
height: Workspaces.buttonSize,
|
|
reactive: true
|
|
});
|
|
plus.set_from_file(global.imagedir + "add-workspace.svg");
|
|
plus.connect('button-release-event', this._appendNewWorkspace);
|
|
this.actor.add_actor(plus);
|
|
plus.lower_bottom();
|
|
|
|
let lastWorkspace = this._workspaces[this._workspaces.length - 1];
|
|
lastWorkspace.updateRemovable(true);
|
|
|
|
// Position/scale the desktop windows and their children
|
|
for (let w = 0; w < this._workspaces.length; w++)
|
|
this._workspaces[w].zoomToOverlay();
|
|
|
|
// Track changes to the number of workspaces
|
|
this._nWorkspacesNotifyId =
|
|
global.screen.connect('notify::n-workspaces',
|
|
Lang.bind(this, this._workspacesChanged));
|
|
this._switchWorkspaceNotifyId =
|
|
global.window_manager.connect('switch-workspace',
|
|
Lang.bind(this, this._activeWorkspaceChanged));
|
|
},
|
|
|
|
// Moves the workspaces display to the side.
|
|
moveAside : function() {
|
|
this._setDimensions(false);
|
|
this._updateInOverlay();
|
|
},
|
|
|
|
// Moves the workspaces display to the center.
|
|
moveToCenter : function() {
|
|
this._setDimensions(true);
|
|
this._updateInOverlay();
|
|
},
|
|
|
|
hide : function() {
|
|
let global = Shell.Global.get();
|
|
let activeWorkspaceIndex = global.screen.get_active_workspace_index();
|
|
let activeWorkspace = this._workspaces[activeWorkspaceIndex];
|
|
|
|
this._positionWorkspaces(global, activeWorkspace);
|
|
activeWorkspace.actor.raise_top();
|
|
|
|
for (let w = 0; w < this._workspaces.length; w++)
|
|
this._workspaces[w].zoomFromOverlay();
|
|
|
|
Tweener.addTween(this._backdrop,
|
|
{ x: this._backdropX,
|
|
y: this._backdropY,
|
|
width: this._backdropWidth,
|
|
height: this._backdropHeight,
|
|
time: Overlay.ANIMATION_TIME,
|
|
transition: "easeOutQuad"
|
|
});
|
|
},
|
|
|
|
destroy : function() {
|
|
let global = Shell.Global.get();
|
|
|
|
for (let w = 0; w < this._workspaces.length; w++)
|
|
this._workspaces[w].destroy();
|
|
this._workspaces = [];
|
|
|
|
this.actor.destroy();
|
|
this.actor = null;
|
|
this._backdrop = null;
|
|
|
|
global.screen.disconnect(this._nWorkspacesNotifyId);
|
|
global.window_manager.disconnect(this._switchWorkspaceNotifyId);
|
|
},
|
|
|
|
// Sets dimensions and position of the workspaces display depending on the mode
|
|
// in which it will be presented (in the center of the overlay mode or on the side).
|
|
//
|
|
// centerMode - a boolean flag indicating if the workspaces will be displayed in the center of the overlay
|
|
//
|
|
_setDimensions : function(centerMode) {
|
|
let global = Shell.Global.get();
|
|
let screenWidth = global.screen_width;
|
|
let screenHeight = global.screen_height;
|
|
|
|
let scalingFactor = centerMode ? Overlay.WORKSPACE_GRID_SCALE : Overlay.WORKSPACE_GRID_ASIDE_SCALE;
|
|
|
|
this._width = screenWidth * scalingFactor - 2 * Overlay.WORKSPACE_GRID_PADDING;
|
|
this._height = screenHeight * scalingFactor;
|
|
this._x = screenWidth - this._width - Overlay.WORKSPACE_GRID_PADDING;
|
|
if (centerMode)
|
|
this._y = Panel.PANEL_HEIGHT + (screenHeight - this._height - Panel.PANEL_HEIGHT) / 2;
|
|
else
|
|
this._y = screenHeight - this._height - this._bottomHeight;
|
|
},
|
|
|
|
// Updates the workspaces display based on the current dimensions and position.
|
|
_updateInOverlay : function() {
|
|
let global = Shell.Global.get();
|
|
|
|
this._positionWorkspaces(global);
|
|
Tweener.addTween(this._backdrop,
|
|
{ x: this._x,
|
|
y: this._y,
|
|
width: this._width,
|
|
height: this._height,
|
|
time: Overlay.ANIMATION_TIME,
|
|
transition: "easeOutQuad"
|
|
});
|
|
|
|
// Position/scale the desktop windows and their children
|
|
for (let w = 0; w < this._workspaces.length; w++)
|
|
this._workspaces[w].updateInOverlay();
|
|
},
|
|
|
|
// Assign grid positions to workspaces. We can't just do a simple
|
|
// row-major or column-major numbering, because we don't want the
|
|
// existing workspaces to get rearranged when we add a row or
|
|
// column. So we alternate between adding to rows and adding to
|
|
// columns. (So, eg, when going from a 2x2 grid of 4 workspaces to
|
|
// a 3x2 grid of 5 workspaces, the 4 existing workspaces stay
|
|
// where they are, and the 5th one is added to the end of the
|
|
// first row.)
|
|
//
|
|
// FIXME: need to make the metacity internal layout agree with this!
|
|
_positionWorkspaces : function(global, activeWorkspace) {
|
|
if (!activeWorkspace) {
|
|
let activeWorkspaceIndex = global.screen.get_active_workspace_index();
|
|
activeWorkspace = this._workspaces[activeWorkspaceIndex];
|
|
}
|
|
|
|
let gridWidth = Math.ceil(Math.sqrt(this._workspaces.length));
|
|
let gridHeight = Math.ceil(this._workspaces.length / gridWidth);
|
|
|
|
let wsWidth = (this._width - (gridWidth - 1) * GRID_SPACING) / gridWidth;
|
|
let wsHeight = (this._height - (gridHeight - 1) * GRID_SPACING) / gridHeight;
|
|
let scale = wsWidth / global.screen_width;
|
|
|
|
let span = 1, n = 0, row = 0, col = 0, horiz = true;
|
|
|
|
for (let w = 0; w < this._workspaces.length; w++) {
|
|
let workspace = this._workspaces[w];
|
|
|
|
workspace.gridRow = row;
|
|
workspace.gridCol = col;
|
|
|
|
workspace.gridX = this._x + workspace.gridCol * (wsWidth + GRID_SPACING);
|
|
workspace.gridY = this._y + workspace.gridRow * (wsHeight + GRID_SPACING);
|
|
workspace.scale = scale;
|
|
|
|
if (horiz) {
|
|
col++;
|
|
if (col == span) {
|
|
row = 0;
|
|
horiz = false;
|
|
}
|
|
} else {
|
|
row++;
|
|
if (row == span) {
|
|
col = 0;
|
|
horiz = true;
|
|
span++;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Now figure out their full-size coordinates
|
|
for (let w = 0; w < this._workspaces.length; w++) {
|
|
let workspace = this._workspaces[w];
|
|
|
|
workspace.fullSizeX = (workspace.gridCol - activeWorkspace.gridCol) * (global.screen_width + GRID_SPACING);
|
|
workspace.fullSizeY = (workspace.gridRow - activeWorkspace.gridRow) * (global.screen_height + GRID_SPACING);
|
|
}
|
|
|
|
// And the backdrop
|
|
this._backdropX = this._workspaces[0].fullSizeX;
|
|
this._backdropY = this._workspaces[0].fullSizeY;
|
|
this._backdropWidth = gridWidth * (global.screen_width + GRID_SPACING) - GRID_SPACING;
|
|
this._backdropHeight = gridHeight * (global.screen_height + GRID_SPACING) - GRID_SPACING;
|
|
},
|
|
|
|
_workspacesChanged : function() {
|
|
let global = Shell.Global.get();
|
|
|
|
let oldNumWorkspaces = this._workspaces.length;
|
|
let newNumWorkspaces = global.screen.n_workspaces;
|
|
|
|
if (oldNumWorkspaces == newNumWorkspaces)
|
|
return;
|
|
|
|
let oldScale = this._workspaces[0].scale;
|
|
let oldGridWidth = Math.ceil(Math.sqrt(oldNumWorkspaces));
|
|
let oldGridHeight = Math.ceil(oldNumWorkspaces / oldGridWidth);
|
|
let lostWorkspaces = [];
|
|
|
|
// The old last workspace is no longer removable.
|
|
this._workspaces[oldNumWorkspaces - 1].updateRemovable();
|
|
|
|
if (newNumWorkspaces > oldNumWorkspaces) {
|
|
// Create new workspace groups
|
|
for (let w = oldNumWorkspaces; w < newNumWorkspaces; w++) {
|
|
this._addWorkspaceActor(w);
|
|
}
|
|
|
|
} else {
|
|
// Truncate the list of workspaces
|
|
// FIXME: assumes that the workspaces are being removed from
|
|
// the end of the list, not the start/middle
|
|
lostWorkspaces = this._workspaces.splice(newNumWorkspaces);
|
|
}
|
|
|
|
// The new last workspace may be removable
|
|
let newLastWorkspace = this._workspaces[this._workspaces.length - 1];
|
|
newLastWorkspace.updateRemovable();
|
|
|
|
// Figure out the new layout
|
|
this._positionWorkspaces(global);
|
|
let newScale = this._workspaces[0].scale;
|
|
let newGridWidth = Math.ceil(Math.sqrt(newNumWorkspaces));
|
|
let newGridHeight = Math.ceil(newNumWorkspaces / newGridWidth);
|
|
|
|
if (newGridWidth != oldGridWidth || newGridHeight != oldGridHeight) {
|
|
// We need to resize/move the existing workspaces/windows
|
|
let existingWorkspaces = Math.min(oldNumWorkspaces, newNumWorkspaces);
|
|
for (let w = 0; w < existingWorkspaces; w++)
|
|
this._workspaces[w].resizeToGrid(oldScale);
|
|
}
|
|
|
|
if (newNumWorkspaces > oldNumWorkspaces) {
|
|
// Slide new workspaces in from offscreen
|
|
for (let w = oldNumWorkspaces; w < newNumWorkspaces; w++)
|
|
this._workspaces[w].slideIn(oldScale);
|
|
} else {
|
|
// Slide old workspaces out
|
|
for (let w = 0; w < lostWorkspaces.length; w++) {
|
|
let workspace = lostWorkspaces[w];
|
|
workspace.actor.raise(this._backdrop);
|
|
workspace.slideOut(function () { workspace.destroy(); });
|
|
}
|
|
|
|
// FIXME: deal with windows on the lost workspaces
|
|
}
|
|
},
|
|
|
|
_activeWorkspaceChanged : function(wm, from, to, direction) {
|
|
this._workspaces[from].setSelected(false);
|
|
this._workspaces[to].setSelected(true);
|
|
},
|
|
|
|
_addWorkspaceActor : function(workspaceNum) {
|
|
let workspace = new Workspace(workspaceNum);
|
|
this._workspaces[workspaceNum] = workspace;
|
|
workspace.connect('window-dragged',
|
|
Lang.bind(this, this._onWindowDragged));
|
|
this.actor.add_actor(workspace.actor);
|
|
},
|
|
|
|
_appendNewWorkspace : function(actor, event) {
|
|
let global = Shell.Global.get();
|
|
|
|
global.screen.append_new_workspace(false, event.get_time());
|
|
},
|
|
|
|
_onWindowDragged : function(sourceWorkspace, clone, stageX, stageY, time) {
|
|
let global = Shell.Global.get();
|
|
|
|
// Positions in stage coordinates
|
|
let [myX, myY] = this.actor.get_transformed_position();
|
|
let [windowX, windowY] = clone.actor.get_transformed_position();
|
|
|
|
let targetWorkspace = null;
|
|
let targetX, targetY, targetScale;
|
|
|
|
for (let w = 0; w < this._workspaces.length; w++) {
|
|
let workspace = this._workspaces[w];
|
|
|
|
// Drag point relative to the new workspace
|
|
let relX = stageX - myX - workspace.gridX;
|
|
let relY = stageY - myY - workspace.gridY;
|
|
|
|
if (relX > 0 && relY > 0 &&
|
|
relX < global.screen_width * workspace.scale &&
|
|
relY < global.screen_height * workspace.scale)
|
|
{
|
|
targetWorkspace = workspace;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (targetWorkspace == null || targetWorkspace == sourceWorkspace)
|
|
return;
|
|
|
|
// Set a hint on the Mutter.Window so its initial position in the
|
|
// overlay will be correct
|
|
clone.realWindow._overlayHint = {
|
|
x: clone.actor.x,
|
|
y: clone.actor.y,
|
|
scale: clone.actor.scale_x
|
|
};
|
|
|
|
clone.metaWindow.change_workspace_by_index(targetWorkspace.workspaceNum,
|
|
false, // don't create workspace
|
|
time);
|
|
}
|
|
};
|
|
|
|
// Create a SpecialPropertyModifier to let us move windows in a
|
|
// straight line on the screen even though their containing workspace
|
|
// is also moving.
|
|
Tweener.registerSpecialPropertyModifier("workspace_relative", _workspace_relative_modifier, _workspace_relative_get);
|
|
|
|
function _workspace_relative_modifier(workspace) {
|
|
let endX, endY;
|
|
|
|
if (workspace.leavingOverlay) {
|
|
endX = workspace.fullSizeX;
|
|
endY = workspace.fullSizeY;
|
|
} else {
|
|
endX = workspace.gridX;
|
|
endY = workspace.gridY;
|
|
}
|
|
|
|
return [ { name: "x",
|
|
parameters: { begin: workspace.actor.x, end: endX,
|
|
cur: function() { return workspace.actor.x; } } },
|
|
{ name: "y",
|
|
parameters: { begin: workspace.actor.y, end: endY,
|
|
cur: function() { return workspace.actor.y; } } }
|
|
];
|
|
}
|
|
|
|
function _workspace_relative_get(begin, end, time, params) {
|
|
return (begin + params.begin) + time * (end + params.end - (begin + params.begin)) - params.cur();
|
|
}
|