03a750176b
As desktop icons don't have any purpose in the overview (except for distracting the user), fade them out when entering the overview. Unfortunately, the fading effect affects performance, therefore hide icons directly when there are maximized windows on the desktop. https://bugzilla.gnome.org/show_bug.cgi?id=600999
1515 lines
53 KiB
JavaScript
1515 lines
53 KiB
JavaScript
/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
|
|
|
|
const Big = imports.gi.Big;
|
|
const Clutter = imports.gi.Clutter;
|
|
const GdkPixbuf = imports.gi.GdkPixbuf;
|
|
const Gdk = imports.gi.Gdk;
|
|
const Gtk = imports.gi.Gtk;
|
|
const Lang = imports.lang;
|
|
const Mainloop = imports.mainloop;
|
|
const Meta = imports.gi.Meta;
|
|
const Pango = imports.gi.Pango;
|
|
const Shell = imports.gi.Shell;
|
|
const St = imports.gi.St;
|
|
const Signals = imports.signals;
|
|
|
|
const DND = imports.ui.dnd;
|
|
const Lightbox = imports.ui.lightbox;
|
|
const Main = imports.ui.main;
|
|
const Overview = imports.ui.overview;
|
|
const Panel = imports.ui.panel;
|
|
const Tweener = imports.ui.tweener;
|
|
|
|
const FOCUS_ANIMATION_TIME = 0.15;
|
|
|
|
const FRAME_COLOR = new Clutter.Color();
|
|
FRAME_COLOR.from_pixel(0xffffffff);
|
|
|
|
const SCROLL_SCALE_AMOUNT = 100 / 5;
|
|
|
|
const ZOOM_OVERLAY_FADE_TIME = 0.15;
|
|
|
|
// Define a layout scheme for small window counts. For larger
|
|
// counts we fall back to an algorithm. We need more schemes here
|
|
// unless we have a really good algorithm.
|
|
|
|
// Each triplet is [xCenter, yCenter, scale] where the scale
|
|
// is relative to the width of the workspace.
|
|
const POSITIONS = {
|
|
1: [[0.5, 0.5, 0.95]],
|
|
2: [[0.25, 0.5, 0.48], [0.75, 0.5, 0.48]],
|
|
3: [[0.25, 0.25, 0.48], [0.75, 0.25, 0.48], [0.5, 0.75, 0.48]],
|
|
4: [[0.25, 0.25, 0.47], [0.75, 0.25, 0.47], [0.75, 0.75, 0.47], [0.25, 0.75, 0.47]],
|
|
5: [[0.165, 0.25, 0.32], [0.495, 0.25, 0.32], [0.825, 0.25, 0.32], [0.25, 0.75, 0.32], [0.75, 0.75, 0.32]]
|
|
};
|
|
// Used in _orderWindowsPermutations, 5! = 120 which is probably the highest we can go
|
|
const POSITIONING_PERMUTATIONS_MAX = 5;
|
|
|
|
function _interpolate(start, end, step) {
|
|
return start + (end - start) * step;
|
|
}
|
|
|
|
function _clamp(value, min, max) {
|
|
return Math.max(min, Math.min(max, value));
|
|
}
|
|
|
|
// Spacing between workspaces. At the moment, the same spacing is used
|
|
// in both zoomed-in and zoomed-out views; this is slightly
|
|
// metaphor-breaking, but the alternatives are also weird.
|
|
const GRID_SPACING = 15;
|
|
const FRAME_SIZE = GRID_SPACING / 3;
|
|
|
|
function ScaledPoint(x, y, scaleX, scaleY) {
|
|
[this.x, this.y, this.scaleX, this.scaleY] = arguments;
|
|
}
|
|
|
|
ScaledPoint.prototype = {
|
|
getPosition : function() {
|
|
return [this.x, this.y];
|
|
},
|
|
|
|
getScale : function() {
|
|
return [this.scaleX, this.scaleY];
|
|
},
|
|
|
|
setPosition : function(x, y) {
|
|
[this.x, this.y] = arguments;
|
|
},
|
|
|
|
setScale : function(scaleX, scaleY) {
|
|
[this.scaleX, this.scaleY] = arguments;
|
|
},
|
|
|
|
interpPosition : function(other, step) {
|
|
return [_interpolate(this.x, other.x, step),
|
|
_interpolate(this.y, other.y, step)];
|
|
},
|
|
|
|
interpScale : function(other, step) {
|
|
return [_interpolate(this.scaleX, other.scaleX, step),
|
|
_interpolate(this.scaleY, other.scaleY, step)];
|
|
}
|
|
};
|
|
|
|
|
|
function WindowClone(realWindow) {
|
|
this._init(realWindow);
|
|
}
|
|
|
|
WindowClone.prototype = {
|
|
_init : function(realWindow) {
|
|
this.actor = new Clutter.Clone({ source: realWindow.get_texture(),
|
|
reactive: true,
|
|
x: realWindow.x,
|
|
y: realWindow.y });
|
|
this.actor._delegate = this;
|
|
this.realWindow = realWindow;
|
|
this.metaWindow = realWindow.meta_window;
|
|
this.metaWindow._delegate = this;
|
|
this.origX = realWindow.x;
|
|
this.origY = realWindow.y;
|
|
|
|
this._stackAbove = null;
|
|
|
|
this.actor.connect('button-release-event',
|
|
Lang.bind(this, this._onButtonRelease));
|
|
|
|
this.actor.connect('scroll-event',
|
|
Lang.bind(this, this._onScroll));
|
|
|
|
this.actor.connect('enter-event',
|
|
Lang.bind(this, this._onEnter));
|
|
this.actor.connect('leave-event',
|
|
Lang.bind(this, this._onLeave));
|
|
this._havePointer = false;
|
|
|
|
this._draggable = DND.makeDraggable(this.actor);
|
|
this._draggable.connect('drag-begin', Lang.bind(this, this._onDragBegin));
|
|
this._draggable.connect('drag-end', Lang.bind(this, this._onDragEnd));
|
|
this._inDrag = false;
|
|
|
|
this._zooming = false;
|
|
},
|
|
|
|
setStackAbove: function (actor) {
|
|
this._stackAbove = actor;
|
|
if (this._inDrag || this._zooming)
|
|
// We'll fix up the stack after the drag/zooming
|
|
return;
|
|
this.actor.raise(this._stackAbove);
|
|
},
|
|
|
|
destroy: function () {
|
|
this.actor.destroy();
|
|
},
|
|
|
|
_onEnter: function (actor, event) {
|
|
// If the user drags faster than we can follow, he'll end up
|
|
// leaving the window temporarily and then re-entering it
|
|
if (this._inDrag)
|
|
return;
|
|
|
|
this._havePointer = true;
|
|
},
|
|
|
|
_onLeave: function (actor, event) {
|
|
// If the user drags faster than we can follow, he'll end up
|
|
// leaving the window temporarily and then re-entering it
|
|
if (this._inDrag)
|
|
return;
|
|
|
|
this._havePointer = false;
|
|
|
|
if (this._zoomStep)
|
|
this._zoomEnd();
|
|
},
|
|
|
|
_onScroll : function (actor, event) {
|
|
let direction = event.get_scroll_direction();
|
|
if (direction == Clutter.ScrollDirection.UP) {
|
|
if (this._zoomStep == undefined)
|
|
this._zoomStart();
|
|
if (this._zoomStep < 100) {
|
|
this._zoomStep += SCROLL_SCALE_AMOUNT;
|
|
this._zoomUpdate();
|
|
}
|
|
} else if (direction == Clutter.ScrollDirection.DOWN) {
|
|
if (this._zoomStep > 0) {
|
|
this._zoomStep -= SCROLL_SCALE_AMOUNT;
|
|
this._zoomStep = Math.max(0, this._zoomStep);
|
|
this._zoomUpdate();
|
|
}
|
|
if (this._zoomStep <= 0.0)
|
|
this._zoomEnd();
|
|
}
|
|
|
|
},
|
|
|
|
_zoomUpdate : function () {
|
|
[this.actor.x, this.actor.y] = this._zoomGlobalOrig.interpPosition(this._zoomTarget, this._zoomStep / 100);
|
|
[this.actor.scale_x, this.actor.scale_y] = this._zoomGlobalOrig.interpScale(this._zoomTarget, this._zoomStep / 100);
|
|
|
|
let [width, height] = this.actor.get_transformed_size();
|
|
|
|
this.actor.x = _clamp(this.actor.x, 0, global.screen_width - width);
|
|
this.actor.y = _clamp(this.actor.y, Panel.PANEL_HEIGHT, global.screen_height - height);
|
|
},
|
|
|
|
_zoomStart : function () {
|
|
this._zooming = true;
|
|
this.emit('zoom-start');
|
|
|
|
this._zoomLightbox = new Lightbox.Lightbox(global.stage, false);
|
|
|
|
this._zoomLocalOrig = new ScaledPoint(this.actor.x, this.actor.y, this.actor.scale_x, this.actor.scale_y);
|
|
this._zoomGlobalOrig = new ScaledPoint();
|
|
let parent = this._origParent = this.actor.get_parent();
|
|
let [width, height] = this.actor.get_transformed_size();
|
|
this._zoomGlobalOrig.setPosition.apply(this._zoomGlobalOrig, this.actor.get_transformed_position());
|
|
this._zoomGlobalOrig.setScale(width / this.actor.width, height / this.actor.height);
|
|
|
|
this.actor.reparent(global.stage);
|
|
this._zoomLightbox.highlight(this.actor);
|
|
|
|
[this.actor.x, this.actor.y] = this._zoomGlobalOrig.getPosition();
|
|
[this.actor.scale_x, this.actor.scale_y] = this._zoomGlobalOrig.getScale();
|
|
|
|
this.actor.raise_top();
|
|
|
|
this._zoomTarget = new ScaledPoint(0, 0, 1.0, 1.0);
|
|
this._zoomTarget.setPosition(this.actor.x - (this.actor.width - width) / 2, this.actor.y - (this.actor.height - height) / 2);
|
|
this._zoomStep = 0;
|
|
|
|
this._zoomUpdate();
|
|
},
|
|
|
|
_zoomEnd : function () {
|
|
this._zooming = false;
|
|
this.emit('zoom-end');
|
|
|
|
this.actor.reparent(this._origParent);
|
|
this.actor.raise(this._stackAbove);
|
|
|
|
[this.actor.x, this.actor.y] = this._zoomLocalOrig.getPosition();
|
|
[this.actor.scale_x, this.actor.scale_y] = this._zoomLocalOrig.getScale();
|
|
|
|
this._zoomLightbox.destroy();
|
|
|
|
this._zoomLocalPosition = undefined;
|
|
this._zoomLocalScale = undefined;
|
|
this._zoomGlobalPosition = undefined;
|
|
this._zoomGlobalScale = undefined;
|
|
this._zoomTargetPosition = undefined;
|
|
this._zoomStep = undefined;
|
|
this._zoomLightbox = undefined;
|
|
},
|
|
|
|
_onButtonRelease : function (actor, event) {
|
|
this.emit('selected', event.get_time());
|
|
},
|
|
|
|
_onDragBegin : function (draggable, time) {
|
|
this._inDrag = true;
|
|
this.emit('drag-begin');
|
|
},
|
|
|
|
_onDragEnd : function (draggable, time, snapback) {
|
|
this._inDrag = false;
|
|
|
|
// Most likely, the clone is going to move away from the
|
|
// pointer now. But that won't cause a leave-event, so
|
|
// do this by hand. Of course, if the window only snaps
|
|
// back a short distance, this might be wrong, but it's
|
|
// better to have the label mysteriously missing than
|
|
// mysteriously present
|
|
this._havePointer = false;
|
|
|
|
// We may not have a parent if DnD completed successfully, in
|
|
// which case our clone will shortly be destroyed and replaced
|
|
// with a new one on the target workspace.
|
|
if (this.actor.get_parent() != null)
|
|
this.actor.raise(this._stackAbove);
|
|
|
|
this.emit('drag-end');
|
|
}
|
|
};
|
|
|
|
Signals.addSignalMethods(WindowClone.prototype);
|
|
|
|
|
|
function DesktopClone(window) {
|
|
this._init(window);
|
|
}
|
|
|
|
DesktopClone.prototype = {
|
|
_init : function(window) {
|
|
this.actor = new Clutter.Group({ reactive: true });
|
|
|
|
let background = new Clutter.Clone({ source: Main.background.source });
|
|
this.actor.add_actor(background);
|
|
|
|
if (window) {
|
|
this._desktop = new Clutter.Clone({ source: window.get_texture() });
|
|
this.actor.add_actor(this._desktop);
|
|
this._desktop.hide();
|
|
} else {
|
|
this._desktop = null;
|
|
}
|
|
|
|
this.actor.connect('button-release-event',
|
|
Lang.bind(this, this._onButtonRelease));
|
|
},
|
|
|
|
zoomFromOverview: function(fadeInIcons) {
|
|
if (this._desktop == null)
|
|
return;
|
|
|
|
if (fadeInIcons) {
|
|
this._desktop.opacity = 0;
|
|
this._desktop.show();
|
|
Tweener.addTween(this._desktop,
|
|
{ opacity: 255,
|
|
time: Overview.ANIMATION_TIME,
|
|
transition: "easeOutQuad" });
|
|
}
|
|
},
|
|
|
|
zoomToOverview: function(fadeOutIcons) {
|
|
if (this._desktop == null)
|
|
return;
|
|
|
|
if (fadeOutIcons) {
|
|
this._desktop.opacity = 255;
|
|
this._desktop.show();
|
|
Tweener.addTween(this._desktop,
|
|
{ opacity: 0,
|
|
time: Overview.ANIMATION_TIME,
|
|
transition: "easeOutQuad",
|
|
onComplete: Lang.bind(this,
|
|
function() {
|
|
this._desktop.hide();
|
|
})
|
|
});
|
|
} else {
|
|
this._desktop.hide();
|
|
}
|
|
},
|
|
|
|
_onButtonRelease : function (actor, event) {
|
|
this.emit('selected', event.get_time());
|
|
}
|
|
};
|
|
|
|
Signals.addSignalMethods(DesktopClone.prototype);
|
|
|
|
|
|
/**
|
|
* @windowClone: Corresponding window clone
|
|
* @parentActor: The actor which will be the parent of all overlay items
|
|
* such as app icon and window caption
|
|
*/
|
|
function WindowOverlay(windowClone, parentActor) {
|
|
this._init(windowClone, parentActor);
|
|
}
|
|
|
|
WindowOverlay.prototype = {
|
|
_init : function(windowClone, parentActor) {
|
|
let metaWindow = windowClone.metaWindow;
|
|
|
|
this._windowClone = windowClone;
|
|
this._parentActor = parentActor;
|
|
|
|
let title = new St.Label({ style_class: "window-caption",
|
|
text: metaWindow.title });
|
|
title.connect('style-changed',
|
|
Lang.bind(this, this._onStyleChanged));
|
|
title.clutter_text.ellipsize = Pango.EllipsizeMode.END;
|
|
title._spacing = 0;
|
|
|
|
this._updateCaptionId = metaWindow.connect('notify::title',
|
|
Lang.bind(this, function(w) {
|
|
this.title.text = w.title;
|
|
}));
|
|
|
|
let button = new St.Bin({ style_class: "window-close",
|
|
reactive: true });
|
|
button.connect('style-changed',
|
|
Lang.bind(this, this._onStyleChanged));
|
|
button._overlap = 0;
|
|
|
|
windowClone.actor.connect('destroy', Lang.bind(this, this._onDestroy));
|
|
windowClone.actor.connect('enter-event',
|
|
Lang.bind(this, this._onEnter));
|
|
windowClone.actor.connect('leave-event',
|
|
Lang.bind(this, this._onLeave));
|
|
|
|
this._idleToggleCloseId = 0;
|
|
button.connect('button-release-event',
|
|
Lang.bind(this, this._closeWindow));
|
|
|
|
this._windowAddedId = 0;
|
|
windowClone.connect('zoom-start', Lang.bind(this, this.hide));
|
|
windowClone.connect('zoom-end', Lang.bind(this, this.show));
|
|
|
|
button.hide();
|
|
|
|
this.title = title;
|
|
this.closeButton = button;
|
|
|
|
parentActor.add_actor(this.title);
|
|
parentActor.add_actor(this.closeButton);
|
|
},
|
|
|
|
hide: function() {
|
|
this.closeButton.hide();
|
|
this.title.hide();
|
|
},
|
|
|
|
show: function() {
|
|
let [child, x, y, mask] = Gdk.Screen.get_default().get_root_window().get_pointer();
|
|
let actor = global.stage.get_actor_at_pos(Clutter.PickMode.REACTIVE,
|
|
x, y);
|
|
if (actor == this._windowClone.actor) {
|
|
this.closeButton.show();
|
|
}
|
|
this.title.show();
|
|
},
|
|
|
|
fadeIn: function() {
|
|
this.title.opacity = 0;
|
|
this.title.show();
|
|
this._parentActor.raise_top();
|
|
Tweener.addTween(this.title,
|
|
{ opacity: 255,
|
|
time: Overview.ANIMATION_TIME,
|
|
transition: "easeOutQuad" });
|
|
},
|
|
|
|
chromeWidth: function () {
|
|
return this.closeButton.width - this.closeButton._overlap;
|
|
},
|
|
|
|
chromeHeight: function () {
|
|
return this.closeButton.height - this.closeButton._overlap +
|
|
this.title.height + this.title._spacing;
|
|
},
|
|
|
|
/**
|
|
* @cloneX: x position of windowClone
|
|
* @cloneY: y position of windowClone
|
|
* @cloneWidth: width of windowClone
|
|
* @cloneHeight height of windowClone
|
|
*/
|
|
// These parameters are not the values retrieved with
|
|
// get_transformed_position() and get_transformed_size(),
|
|
// as windowClone might be moving.
|
|
// See Workspace._fadeInWindowOverlay
|
|
updatePositions: function(cloneX, cloneY, cloneWidth, cloneHeight) {
|
|
let button = this.closeButton;
|
|
let title = this.title;
|
|
|
|
let buttonX = cloneX + cloneWidth - button._overlap;
|
|
let buttonY = cloneY - button.height + button._overlap;
|
|
button.set_position(Math.floor(buttonX), Math.floor(buttonY));
|
|
|
|
if (!title.fullWidth)
|
|
title.fullWidth = title.width;
|
|
title.width = Math.min(title.fullWidth, cloneWidth);
|
|
|
|
let titleX = cloneX + (cloneWidth - title.width) / 2;
|
|
let titleY = cloneY + cloneHeight + title._spacing;
|
|
title.set_position(Math.floor(titleX), Math.floor(titleY));
|
|
},
|
|
|
|
_closeWindow: function(actor, event) {
|
|
let metaWindow = this._windowClone.metaWindow;
|
|
this._workspace = metaWindow.get_workspace();
|
|
|
|
this._windowAddedId = this._workspace.connect('window-added',
|
|
Lang.bind(this,
|
|
this._onWindowAdded));
|
|
|
|
metaWindow.delete(event.get_time());
|
|
},
|
|
|
|
_onWindowAdded: function(workspace, win) {
|
|
let metaWindow = this._windowClone.metaWindow;
|
|
|
|
if (win.get_transient_for() == metaWindow) {
|
|
workspace.disconnect(this._windowAddedId);
|
|
this._windowAddedId = 0;
|
|
|
|
// use an idle handler to avoid mapping problems -
|
|
// see comment in Workspace._windowAdded
|
|
Mainloop.idle_add(Lang.bind(this,
|
|
function() {
|
|
this._windowClone.emit('selected');
|
|
return false;
|
|
}));
|
|
}
|
|
},
|
|
|
|
_onDestroy: function() {
|
|
if (this._windowAddedId > 0) {
|
|
this._workspace.disconnect(this._windowAddedId);
|
|
this._windowAddedId = 0;
|
|
}
|
|
if (this._idleToggleCloseId > 0) {
|
|
Mainloop.source_remove(this._idleToggleCloseId);
|
|
this._idleToggleCloseId = 0;
|
|
}
|
|
this._windowClone.metaWindow.disconnect(this._updateCaptionId);
|
|
this.title.destroy();
|
|
this.closeButton.destroy();
|
|
},
|
|
|
|
_onEnter: function() {
|
|
this._parentActor.raise_top();
|
|
this.closeButton.show();
|
|
this.emit('show-close-button');
|
|
},
|
|
|
|
_onLeave: function() {
|
|
if (this._idleToggleCloseId == 0)
|
|
this._idleToggleCloseId = Mainloop.timeout_add(750, Lang.bind(this, this._idleToggleCloseButton));
|
|
},
|
|
|
|
_idleToggleCloseButton: function() {
|
|
this._idleToggleCloseId = 0;
|
|
let [child, x, y, mask] = Gdk.Screen.get_default().get_root_window().get_pointer();
|
|
let actor = global.stage.get_actor_at_pos(Clutter.PickMode.REACTIVE,
|
|
x, y);
|
|
if (actor != this._windowClone.actor && actor != this.closeButton) {
|
|
this.closeButton.hide();
|
|
}
|
|
return false;
|
|
},
|
|
|
|
hideCloseButton: function() {
|
|
if (this._idleToggleCloseId > 0) {
|
|
Mainloop.source_remove(this._idleToggleCloseId);
|
|
this._idleToggleCloseId = 0;
|
|
}
|
|
this.closeButton.hide();
|
|
},
|
|
|
|
_onStyleChanged: function() {
|
|
let titleNode = this.title.get_theme_node();
|
|
|
|
let [success, len] = titleNode.get_length('-shell-caption-spacing',
|
|
false);
|
|
if (success)
|
|
this.title._spacing = len;
|
|
|
|
let closeNode = this.closeButton.get_theme_node();
|
|
|
|
[success, len] = closeNode.get_length('-shell-close-overlap',
|
|
false);
|
|
if (success)
|
|
this.closeButton._overlap = len;
|
|
|
|
this._parentActor.queue_relayout();
|
|
}
|
|
};
|
|
|
|
Signals.addSignalMethods(WindowOverlay.prototype);
|
|
|
|
const WindowPositionFlags = {
|
|
ZOOM: 1 << 0,
|
|
ANIMATE: 1 << 1
|
|
};
|
|
|
|
/**
|
|
* @workspaceNum: Workspace index
|
|
* @parentActor: The actor which will be the parent of this workspace;
|
|
* we need this in order to add chrome such as the icons
|
|
* on top of the windows without having them be scaled.
|
|
*/
|
|
function Workspace(workspaceNum, parentActor) {
|
|
this._init(workspaceNum, parentActor);
|
|
}
|
|
|
|
Workspace.prototype = {
|
|
_init : function(workspaceNum, parentActor) {
|
|
this.workspaceNum = workspaceNum;
|
|
this._windowOverlaysGroup = new Clutter.Group();
|
|
// Without this the drop area will be overlapped.
|
|
this._windowOverlaysGroup.set_size(0, 0);
|
|
|
|
this._metaWorkspace = global.screen.get_workspace_by_index(workspaceNum);
|
|
|
|
parentActor.add_actor(this._windowOverlaysGroup);
|
|
this._parentActor = parentActor;
|
|
|
|
this.actor = new Clutter.Group();
|
|
this.actor._delegate = this;
|
|
// Auto-sizing is unreliable in the presence of ClutterClone, so rather than
|
|
// implicitly counting on the workspace actor to be sized to the size of the
|
|
// included desktop actor clone, set the size explicitly to the screen size.
|
|
// See http://bugzilla.openedhand.com/show_bug.cgi?id=1755
|
|
this.actor.width = global.screen_width;
|
|
this.actor.height = global.screen_height;
|
|
this.scale = 1.0;
|
|
|
|
let windows = global.get_windows().filter(this._isMyWindow, this);
|
|
|
|
// Find the desktop window
|
|
for (let i = 0; i < windows.length; i++) {
|
|
if (windows[i].get_window_type() == Meta.WindowType.DESKTOP) {
|
|
this._desktop = new DesktopClone(windows[i]);
|
|
break;
|
|
}
|
|
}
|
|
// If there wasn't one, fake it
|
|
if (!this._desktop)
|
|
this._desktop = new DesktopClone();
|
|
|
|
this._desktop.connect('selected',
|
|
Lang.bind(this,
|
|
function(clone, time) {
|
|
this._metaWorkspace.activate(time);
|
|
Main.overview.hide();
|
|
}));
|
|
this.actor.add_actor(this._desktop.actor);
|
|
|
|
// Create clones for remaining windows that should be
|
|
// visible in the Overview
|
|
this._windows = [this._desktop];
|
|
this._windowOverlays = [ null ];
|
|
for (let i = 0; i < windows.length; i++) {
|
|
if (this._isOverviewWindow(windows[i])) {
|
|
this._addWindowClone(windows[i]);
|
|
}
|
|
}
|
|
|
|
// A filter for what windows we display
|
|
this._showOnlyWindows = null;
|
|
|
|
// Track window changes
|
|
this._windowAddedId = this._metaWorkspace.connect('window-added',
|
|
Lang.bind(this, this._windowAdded));
|
|
this._windowRemovedId = this._metaWorkspace.connect('window-removed',
|
|
Lang.bind(this, this._windowRemoved));
|
|
|
|
this._visible = false;
|
|
|
|
this._frame = null;
|
|
|
|
this.leavingOverview = false;
|
|
},
|
|
|
|
_lookupIndex: function (metaWindow) {
|
|
for (let i = 0; i < this._windows.length; i++) {
|
|
if (this._windows[i].metaWindow == metaWindow) {
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
},
|
|
|
|
/**
|
|
* lookupCloneForMetaWindow:
|
|
* @metaWindow: A #MetaWindow
|
|
*
|
|
* Given a #MetaWindow instance, find the WindowClone object
|
|
* which represents it in the workspaces display.
|
|
*/
|
|
lookupCloneForMetaWindow: function (metaWindow) {
|
|
let index = this._lookupIndex (metaWindow);
|
|
return index < 0 ? null : this._windows[index];
|
|
},
|
|
|
|
containsMetaWindow: function (metaWindow) {
|
|
return this._lookupIndex(metaWindow) >= 0;
|
|
},
|
|
|
|
setShowOnlyWindows: function(showOnlyWindows, reposition) {
|
|
this._showOnlyWindows = showOnlyWindows;
|
|
this._resetCloneVisibility();
|
|
if (reposition)
|
|
this.positionWindows(WindowPositionFlags.ANIMATE);
|
|
},
|
|
|
|
/**
|
|
* setLightboxMode:
|
|
* @showLightbox: If true, dim background and allow highlighting a specific window
|
|
*
|
|
* This function also resets the highlighted window state.
|
|
*/
|
|
setLightboxMode: function (showLightbox) {
|
|
if (showLightbox) {
|
|
this._lightbox = new Lightbox.Lightbox(this.actor, false);
|
|
} else {
|
|
this._lightbox.destroy();
|
|
this._lightbox = null;
|
|
}
|
|
if (this._frame) {
|
|
this._frame.set_opacity(showLightbox ? 150 : 255);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* setHighlightWindow:
|
|
* @metaWindow: A #MetaWindow
|
|
*
|
|
* Draw the user's attention to the given window @metaWindow.
|
|
*/
|
|
setHighlightWindow: function (metaWindow) {
|
|
let actor;
|
|
if (metaWindow != null) {
|
|
let clone = this.lookupCloneForMetaWindow(metaWindow);
|
|
actor = clone.actor;
|
|
}
|
|
this._lightbox.highlight(actor);
|
|
},
|
|
|
|
// Mark the workspace selected/not-selected
|
|
setSelected : function(selected) {
|
|
// Don't draw a frame if we only have one workspace
|
|
if (selected && global.screen.n_workspaces > 1) {
|
|
if (this._frame)
|
|
return;
|
|
|
|
// FIXME: do something cooler-looking using clutter-cairo
|
|
this._frame = new Clutter.Rectangle({ color: FRAME_COLOR });
|
|
this.actor.add_actor(this._frame);
|
|
this._frame.set_position(this._desktop.actor.x - FRAME_SIZE / this.actor.scale_x,
|
|
this._desktop.actor.y - FRAME_SIZE / this.actor.scale_y);
|
|
this._frame.set_size(this._desktop.actor.width + 2 * FRAME_SIZE / this.actor.scale_x,
|
|
this._desktop.actor.height + 2 * FRAME_SIZE / this.actor.scale_y);
|
|
this._frame.lower_bottom();
|
|
|
|
this._framePosHandler = this.actor.connect('notify::scale-x', Lang.bind(this, this._updateFramePosition));
|
|
} else {
|
|
if (!this._frame)
|
|
return;
|
|
this.actor.disconnect(this._framePosHandler);
|
|
this._frame.destroy();
|
|
this._frame = null;
|
|
}
|
|
},
|
|
|
|
_updateFramePosition : function() {
|
|
this._frame.set_position(this._desktop.actor.x - FRAME_SIZE / this.actor.scale_x,
|
|
this._desktop.actor.y - FRAME_SIZE / this.actor.scale_y);
|
|
this._frame.set_size(this._desktop.actor.width + 2 * FRAME_SIZE / this.actor.scale_x,
|
|
this._desktop.actor.height + 2 * FRAME_SIZE / this.actor.scale_y);
|
|
},
|
|
|
|
_isCloneVisible: function(clone) {
|
|
return this._showOnlyWindows == null || (clone.metaWindow in this._showOnlyWindows);
|
|
},
|
|
|
|
/**
|
|
* _getVisibleClones:
|
|
*
|
|
* Returns a list WindowClone objects where the clone isn't filtered
|
|
* out by any application filter. The clone for the desktop is excluded.
|
|
* The returned array will always be newly allocated; it is not in any
|
|
* defined order, and thus it's convenient to call .sort() with your
|
|
* choice of sorting function.
|
|
*/
|
|
_getVisibleClones: function() {
|
|
let visible = [];
|
|
|
|
for (let i = 1; i < this._windows.length; i++) {
|
|
let clone = this._windows[i];
|
|
|
|
if (!this._isCloneVisible(clone))
|
|
continue;
|
|
|
|
visible.push(clone);
|
|
}
|
|
return visible;
|
|
},
|
|
|
|
_getVisibleWindows: function() {
|
|
return this._getVisibleClones().map(function (clone) { return clone.metaWindow; });
|
|
},
|
|
|
|
_resetCloneVisibility: function () {
|
|
for (let i = 1; i < this._windows.length; i++) {
|
|
let clone = this._windows[i];
|
|
let overlay = this._windowOverlays[i];
|
|
|
|
if (!this._isCloneVisible(clone)) {
|
|
clone.actor.hide();
|
|
overlay.hide();
|
|
} else {
|
|
clone.actor.show();
|
|
}
|
|
}
|
|
},
|
|
|
|
// Only use this for n <= 20 say
|
|
_factorial: function(n) {
|
|
let result = 1;
|
|
for (let i = 2; i <= n; i++)
|
|
result *= i;
|
|
return result;
|
|
},
|
|
|
|
/**
|
|
* _permutation:
|
|
* @permutationIndex: An integer from [0, list.length!)
|
|
* @list: (inout): Array of objects to permute; will be modified in place
|
|
*
|
|
* Given an integer between 0 and length of array, re-order the array in-place
|
|
* into a permutation denoted by the index.
|
|
*/
|
|
_permutation: function(permutationIndex, list) {
|
|
for (let j = 2; j <= list.length; j++) {
|
|
let firstIndex = (permutationIndex % j);
|
|
let secondIndex = j - 1;
|
|
// Swap
|
|
let tmp = list[firstIndex];
|
|
list[firstIndex] = list[secondIndex];
|
|
list[secondIndex] = tmp;
|
|
permutationIndex = Math.floor(permutationIndex / j);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* _forEachPermutations:
|
|
* @list: Array
|
|
* @func: Function which takes a single array argument
|
|
*
|
|
* Call @func with each permutation of @list as an argument.
|
|
*/
|
|
_forEachPermutations: function(list, func) {
|
|
let nCombinations = this._factorial(list.length);
|
|
for (let i = 0; i < nCombinations; i++) {
|
|
let listCopy = list.concat();
|
|
this._permutation(i, listCopy);
|
|
func(listCopy);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* _computeWindowMotion:
|
|
* @metaWindow: A #MetaWindow
|
|
* @slot: An element of #POSITIONS
|
|
* @slotGeometry: Layout of @slot
|
|
*
|
|
* Returns a number corresponding to how much perceived motion
|
|
* would be involved in moving the window to the given slot.
|
|
* Currently this is the square of the distance between the
|
|
* centers.
|
|
*/
|
|
_computeWindowMotion: function (metaWindow, slot, slotGeometry) {
|
|
let rect = new Meta.Rectangle();
|
|
metaWindow.get_outer_rect(rect);
|
|
|
|
let [slotX, slotY, slotWidth, slotHeight] = slotGeometry;
|
|
let distanceSquared;
|
|
let xDelta, yDelta;
|
|
|
|
xDelta = (rect.x + rect.width / 2) - (slotX + slotWidth / 2);
|
|
yDelta = (rect.y + rect.height / 2) - (slotY + slotHeight / 2);
|
|
distanceSquared = xDelta * xDelta + yDelta * yDelta;
|
|
|
|
return distanceSquared;
|
|
},
|
|
|
|
/**
|
|
* _orderWindowsPermutations:
|
|
*
|
|
* Iterate over all permutations of the windows, and determine the
|
|
* permutation which has the least total motion.
|
|
*/
|
|
_orderWindowsPermutations: function (windows, slots, slotGeometries) {
|
|
let minimumMotionPermutation = null;
|
|
let minimumMotion = -1;
|
|
let permIndex = 0;
|
|
this._forEachPermutations(windows, Lang.bind(this, function (permutation) {
|
|
let motion = 0;
|
|
for (let i = 0; i < permutation.length; i++) {
|
|
let metaWindow = permutation[i];
|
|
let slot = slots[i];
|
|
let slotAbsGeometry = slotGeometries[i];
|
|
|
|
let delta = this._computeWindowMotion(metaWindow, slot, slotAbsGeometry);
|
|
|
|
motion += delta;
|
|
}
|
|
|
|
if (minimumMotionPermutation == null || motion < minimumMotion) {
|
|
minimumMotionPermutation = permutation;
|
|
minimumMotion = motion;
|
|
}
|
|
permIndex++;
|
|
}));
|
|
return minimumMotionPermutation;
|
|
},
|
|
|
|
/**
|
|
* _orderWindowsGreedy:
|
|
*
|
|
* Iterate over available slots in order, placing into each one the window
|
|
* we find with the smallest motion to that slot.
|
|
*/
|
|
_orderWindowsGreedy: function(windows, slots, slotGeometries) {
|
|
let result = [];
|
|
let slotIndex = 0;
|
|
// Copy since we mutate below
|
|
let windowCopy = windows.concat();
|
|
for (let i = 0; i < slots.length; i++) {
|
|
let slot = slots[i];
|
|
let slotGeometry = slotGeometries[i];
|
|
let minimumMotionIndex = -1;
|
|
let minimumMotion = -1;
|
|
for (let j = 0; j < windowCopy.length; j++) {
|
|
let metaWindow = windowCopy[j];
|
|
let delta = this._computeWindowMotion(metaWindow, slot, slotGeometry);
|
|
if (minimumMotionIndex == -1 || delta < minimumMotion) {
|
|
minimumMotionIndex = j;
|
|
minimumMotion = delta;
|
|
}
|
|
}
|
|
result.push(windowCopy[minimumMotionIndex]);
|
|
windowCopy.splice(minimumMotionIndex, 1);
|
|
}
|
|
return result;
|
|
},
|
|
|
|
/**
|
|
* _orderWindowsByMotionAndStartup:
|
|
* @windows: Array of #MetaWindow
|
|
* @slots: Array of slots
|
|
*
|
|
* Returns a copy of @windows, ordered in such a way that they require least motion
|
|
* to move to the final screen coordinates of @slots. Ties are broken in a stable
|
|
* fashion by the order in which the windows were created.
|
|
*/
|
|
_orderWindowsByMotionAndStartup: function(windows, slots) {
|
|
windows.sort(function(w1, w2) {
|
|
return w2.get_stable_sequence() - w1.get_stable_sequence();
|
|
});
|
|
let slotGeometries = slots.map(Lang.bind(this, this._getSlotAbsoluteGeometry));
|
|
if (windows.length <= POSITIONING_PERMUTATIONS_MAX)
|
|
return this._orderWindowsPermutations(windows, slots, slotGeometries);
|
|
else
|
|
return this._orderWindowsGreedy(windows, slots, slotGeometries);
|
|
},
|
|
|
|
/**
|
|
* _getSlotRelativeGeometry:
|
|
* @slot: A layout slot
|
|
*
|
|
* Returns: the workspace-relative [x, y, width, height]
|
|
* of a given window layout slot.
|
|
*/
|
|
_getSlotRelativeGeometry: function(slot) {
|
|
let [xCenter, yCenter, fraction] = slot;
|
|
|
|
let width = global.screen_width * fraction;
|
|
let height = global.screen_height * fraction;
|
|
|
|
let x = xCenter * global.screen_width - width / 2;
|
|
let y = yCenter * global.screen_height - height / 2;
|
|
|
|
return [x, y, width, height];
|
|
},
|
|
|
|
/**
|
|
* _getSlotAbsoluteGeometry:
|
|
* @slot: A layout slot
|
|
*
|
|
* Returns: the screen coordiantes [x, y, width, height]
|
|
* of a given window layout slot.
|
|
*/
|
|
_getSlotAbsoluteGeometry: function(slot) {
|
|
let [x, y, width, height] = this._getSlotRelativeGeometry(slot);
|
|
return [ this.gridX + x, this.gridY + y,
|
|
this.scale * width, this.scale * height];
|
|
},
|
|
|
|
/**
|
|
* _computeWindowRelativeLayout:
|
|
* @metaWindow: A #MetaWindow
|
|
* @slot: A layout slot
|
|
*
|
|
* Given a window and slot to fit it in, compute its
|
|
* workspace-relative [x, y, scale] where scale applies
|
|
* to both X and Y directions.
|
|
*/
|
|
_computeWindowRelativeLayout: function(metaWindow, slot) {
|
|
let [xCenter, yCenter, fraction] = slot;
|
|
|
|
xCenter = xCenter * global.screen_width;
|
|
yCenter = yCenter * global.screen_height;
|
|
|
|
let rect = new Meta.Rectangle();
|
|
metaWindow.get_outer_rect(rect);
|
|
|
|
let chromeHeight = this._windowOverlays[1].chromeHeight() / this.scale;
|
|
let chromeWidth = this._windowOverlays[1].chromeWidth() / this.scale;
|
|
|
|
let desiredWidth = (global.screen_width - chromeWidth) * fraction;
|
|
let desiredHeight = (global.screen_height - chromeHeight) * fraction;
|
|
let scale = Math.min(desiredWidth / (rect.width + chromeWidth),
|
|
desiredHeight / (rect.height + chromeHeight),
|
|
1.0 / this.scale);
|
|
|
|
let x = xCenter - 0.5 * scale * (rect.width + chromeWidth);
|
|
let y = yCenter - 0.5 * scale * (rect.height + chromeHeight);
|
|
|
|
return [x, y, scale];
|
|
},
|
|
|
|
/**
|
|
* positionWindows:
|
|
* @flags:
|
|
* ZOOM - workspace is moving at the same time and we need to take that into account.
|
|
* ANIMATE - Indicates that we need animate changing position.
|
|
*/
|
|
positionWindows : function(flags) {
|
|
let totalVisible = 0;
|
|
|
|
let visibleWindows = this._getVisibleWindows();
|
|
|
|
let workspaceZooming = flags & WindowPositionFlags.ZOOM;
|
|
let animate = flags & WindowPositionFlags.ANIMATE;
|
|
|
|
// Start the animations
|
|
let slots = this._computeAllWindowSlots(visibleWindows.length);
|
|
visibleWindows = this._orderWindowsByMotionAndStartup(visibleWindows, slots);
|
|
|
|
for (let i = 0; i < visibleWindows.length; i++) {
|
|
let slot = slots[i];
|
|
let metaWindow = visibleWindows[i];
|
|
let mainIndex = this._lookupIndex(metaWindow);
|
|
let clone = metaWindow._delegate;
|
|
let overlay = this._windowOverlays[mainIndex];
|
|
|
|
let [x, y, scale] = this._computeWindowRelativeLayout(metaWindow, slot);
|
|
|
|
overlay.hide();
|
|
if (animate) {
|
|
if (!metaWindow.showing_on_its_workspace()) {
|
|
/* Hidden windows should fade in and grow
|
|
* therefore we need to resize them now so they
|
|
* can be scaled up later */
|
|
if (workspaceZooming) {
|
|
clone.actor.opacity = 0;
|
|
clone.actor.scale_x = 0;
|
|
clone.actor.scale_y = 0;
|
|
clone.actor.x = x;
|
|
clone.actor.y = y;
|
|
}
|
|
|
|
// Make the window slightly transparent to indicate it's hidden
|
|
Tweener.addTween(clone.actor,
|
|
{ opacity: 255,
|
|
time: Overview.ANIMATION_TIME,
|
|
transition: "easeInQuad"
|
|
});
|
|
}
|
|
|
|
Tweener.addTween(clone.actor,
|
|
{ x: x,
|
|
y: y,
|
|
scale_x: scale,
|
|
scale_y: scale,
|
|
workspace_relative: workspaceZooming ? this : null,
|
|
time: Overview.ANIMATION_TIME,
|
|
transition: "easeOutQuad",
|
|
onComplete: Lang.bind(this, function() {
|
|
this._fadeInWindowOverlay(clone, overlay);
|
|
})
|
|
});
|
|
} else {
|
|
clone.actor.set_position(x, y);
|
|
clone.actor.set_scale(scale, scale);
|
|
this._fadeInWindowOverlay(clone, overlay);
|
|
}
|
|
}
|
|
},
|
|
|
|
syncStacking: function(stackIndices) {
|
|
let desktopClone = this._windows[0];
|
|
|
|
let visibleClones = this._getVisibleClones();
|
|
visibleClones.sort(function (a, b) { return stackIndices[a.metaWindow.get_stable_sequence()] - stackIndices[b.metaWindow.get_stable_sequence()]; });
|
|
|
|
for (let i = 0; i < visibleClones.length; i++) {
|
|
let clone = visibleClones[i];
|
|
let metaWindow = clone.metaWindow;
|
|
if (i == 0) {
|
|
clone.setStackAbove(desktopClone.actor);
|
|
} else {
|
|
let previousClone = visibleClones[i - 1];
|
|
clone.setStackAbove(previousClone.actor);
|
|
}
|
|
}
|
|
},
|
|
|
|
_fadeInWindowOverlay: function(clone, overlay) {
|
|
// This is a little messy and complicated because when we
|
|
// start the fade-in we may not have done the final positioning
|
|
// of the workspaces. (Tweener doesn't necessarily finish
|
|
// all animations before calling onComplete callbacks.)
|
|
// So we need to manually compute where the window will
|
|
// be after the workspace animation finishes.
|
|
let [cloneX, cloneY] = clone.actor.get_position();
|
|
let [cloneWidth, cloneHeight] = clone.actor.get_size();
|
|
cloneX = this.gridX + this.scale * cloneX;
|
|
cloneY = this.gridY + this.scale * cloneY;
|
|
cloneWidth = this.scale * clone.actor.scale_x * cloneWidth;
|
|
cloneHeight = this.scale * clone.actor.scale_y * cloneHeight;
|
|
|
|
overlay.updatePositions(cloneX, cloneY, cloneWidth, cloneHeight);
|
|
overlay.fadeIn();
|
|
},
|
|
|
|
_fadeInAllOverlays: function() {
|
|
for (let i = 1; i < this._windows.length; i++) {
|
|
let clone = this._windows[i];
|
|
let overlay = this._windowOverlays[i];
|
|
if (this._showOnlyWindows != null && !(clone.metaWindow in this._showOnlyWindows))
|
|
continue;
|
|
this._fadeInWindowOverlay(clone, overlay);
|
|
}
|
|
},
|
|
|
|
_hideAllOverlays: function() {
|
|
for (let i = 1; i< this._windows.length; i++) {
|
|
let overlay = this._windowOverlays[i];
|
|
overlay.hide();
|
|
}
|
|
},
|
|
|
|
_windowRemoved : function(metaWorkspace, metaWin) {
|
|
let win = metaWin.get_compositor_private();
|
|
|
|
// find the position of the window in our list
|
|
let index = this._lookupIndex (metaWin);
|
|
|
|
if (index == -1)
|
|
return;
|
|
|
|
let clone = this._windows[index];
|
|
|
|
this._windows.splice(index, 1);
|
|
this._windowOverlays.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 overviewHint
|
|
// 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._overviewHint = {
|
|
x: stageX,
|
|
y: stageY,
|
|
scale: stageWidth / clone.actor.width
|
|
};
|
|
}
|
|
clone.destroy();
|
|
|
|
this.positionWindows(WindowPositionFlags.ANIMATE);
|
|
},
|
|
|
|
_windowAdded : function(metaWorkspace, metaWin) {
|
|
if (this.leavingOverview)
|
|
return;
|
|
|
|
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 (this.actor && metaWin.get_compositor_private())
|
|
this._windowAdded(metaWorkspace, metaWin);
|
|
return false;
|
|
}));
|
|
return;
|
|
}
|
|
|
|
if (!this._isOverviewWindow(win))
|
|
return;
|
|
|
|
let clone = this._addWindowClone(win);
|
|
|
|
if (win._overviewHint) {
|
|
let x = (win._overviewHint.x - this.actor.x) / this.scale;
|
|
let y = (win._overviewHint.y - this.actor.y) / this.scale;
|
|
let scale = win._overviewHint.scale / this.scale;
|
|
delete win._overviewHint;
|
|
|
|
clone.actor.set_position (x, y);
|
|
clone.actor.set_scale (scale, scale);
|
|
}
|
|
|
|
this.positionWindows(WindowPositionFlags.ANIMATE);
|
|
},
|
|
|
|
// check for maximized windows on the workspace
|
|
_haveMaximizedWindows: function() {
|
|
for (let i = 1; i < this._windows.length; i++) {
|
|
let metaWindow = this._windows[i].metaWindow;
|
|
if (metaWindow.showing_on_its_workspace() &&
|
|
metaWindow.maximized_horizontally &&
|
|
metaWindow.maximized_vertically)
|
|
return true;
|
|
}
|
|
return false;
|
|
},
|
|
|
|
// Animate the full-screen to Overview transition.
|
|
zoomToOverview : function(animate) {
|
|
this.actor.set_position(this.gridX, this.gridY);
|
|
this.actor.set_scale(this.scale, this.scale);
|
|
|
|
// Position and scale the windows.
|
|
if (animate)
|
|
this.positionWindows(WindowPositionFlags.ANIMATE | WindowPositionFlags.ZOOM);
|
|
else
|
|
this.positionWindows(WindowPositionFlags.ZOOM);
|
|
|
|
let active = global.screen.get_active_workspace_index();
|
|
let fadeInIcons = (animate &&
|
|
active == this.workspaceNum &&
|
|
!this._haveMaximizedWindows());
|
|
this._desktop.zoomToOverview(fadeInIcons);
|
|
|
|
this._visible = true;
|
|
},
|
|
|
|
// Animates the return from Overview mode
|
|
zoomFromOverview : function() {
|
|
this.leavingOverview = true;
|
|
|
|
this._hideAllOverlays();
|
|
|
|
Main.overview.connect('hidden', Lang.bind(this,
|
|
this._doneLeavingOverview));
|
|
|
|
// Position and scale the windows.
|
|
for (let i = 1; i < this._windows.length; i++) {
|
|
let clone = this._windows[i];
|
|
|
|
if (clone.metaWindow.showing_on_its_workspace()) {
|
|
Tweener.addTween(clone.actor,
|
|
{ x: clone.origX,
|
|
y: clone.origY,
|
|
scale_x: 1.0,
|
|
scale_y: 1.0,
|
|
workspace_relative: this,
|
|
time: Overview.ANIMATION_TIME,
|
|
opacity: 255,
|
|
transition: "easeOutQuad"
|
|
});
|
|
} else {
|
|
// The window is hidden, make it shrink and fade it out
|
|
Tweener.addTween(clone.actor,
|
|
{ scale_x: 0,
|
|
scale_y: 0,
|
|
opacity: 0,
|
|
workspace_relative: this,
|
|
time: Overview.ANIMATION_TIME,
|
|
transition: "easeOutQuad"
|
|
});
|
|
}
|
|
}
|
|
|
|
let active = global.screen.get_active_workspace_index();
|
|
let fadeOutIcons = (active == this.workspaceNum &&
|
|
!this._haveMaximizedWindows());
|
|
this._desktop.zoomFromOverview(fadeOutIcons);
|
|
|
|
this._visible = false;
|
|
},
|
|
|
|
// Animates grid shrinking/expanding when a row or column
|
|
// of workspaces is added or removed
|
|
resizeToGrid : function (oldScale) {
|
|
this._hideAllOverlays();
|
|
Tweener.addTween(this.actor,
|
|
{ x: this.gridX,
|
|
y: this.gridY,
|
|
scale_x: this.scale,
|
|
scale_y: this.scale,
|
|
time: Overview.ANIMATION_TIME,
|
|
transition: "easeOutQuad",
|
|
onComplete: Lang.bind(this, this._fadeInAllOverlays)
|
|
});
|
|
},
|
|
|
|
// Animates the addition of a new (empty) workspace
|
|
slideIn : function(oldScale) {
|
|
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: Overview.ANIMATION_TIME,
|
|
transition: "easeOutQuad"
|
|
});
|
|
|
|
this._visible = true;
|
|
},
|
|
|
|
// Animates the removal of a workspace
|
|
slideOut : function(onComplete) {
|
|
let destX = this.actor.x, destY = this.actor.y;
|
|
|
|
this._hideAllOverlays();
|
|
|
|
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: Overview.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() {
|
|
Tweener.removeTweens(this.actor);
|
|
this.actor.destroy();
|
|
this.actor = null;
|
|
this._windowOverlaysGroup.destroy();
|
|
|
|
this._metaWorkspace.disconnect(this._windowAddedId);
|
|
this._metaWorkspace.disconnect(this._windowRemovedId);
|
|
},
|
|
|
|
// Sets this.leavingOverview flag to false.
|
|
_doneLeavingOverview : function() {
|
|
this.leavingOverview = false;
|
|
},
|
|
|
|
// 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 Overview
|
|
_isOverviewWindow : function (win) {
|
|
let tracker = Shell.WindowTracker.get_default()
|
|
return tracker.is_window_interesting(win.get_meta_window());
|
|
},
|
|
|
|
// Create a clone of a (non-desktop) window and add it to the window list
|
|
_addWindowClone : function(win) {
|
|
let clone = new WindowClone(win);
|
|
let overlay = new WindowOverlay(clone, this._windowOverlaysGroup);
|
|
|
|
clone.connect('selected',
|
|
Lang.bind(this, this._onCloneSelected));
|
|
clone.connect('drag-begin',
|
|
Lang.bind(this, function() {
|
|
overlay.hide();
|
|
}));
|
|
clone.connect('drag-end',
|
|
Lang.bind(this, function() {
|
|
overlay.show();
|
|
}));
|
|
|
|
this.actor.add_actor(clone.actor);
|
|
|
|
overlay.connect('show-close-button', Lang.bind(this, this._onShowOverlayClose));
|
|
|
|
this._windows.push(clone);
|
|
this._windowOverlays.push(overlay);
|
|
|
|
return clone;
|
|
},
|
|
|
|
_onShowOverlayClose: function (windowOverlay) {
|
|
for (let i = 1; i < this._windowOverlays.length; i++) {
|
|
let overlay = this._windowOverlays[i];
|
|
if (overlay == windowOverlay)
|
|
continue;
|
|
overlay.hideCloseButton();
|
|
}
|
|
},
|
|
|
|
_computeWindowSlot : function(windowIndex, numberOfWindows) {
|
|
if (numberOfWindows in POSITIONS)
|
|
return POSITIONS[numberOfWindows][windowIndex];
|
|
|
|
// If we don't have a predefined scheme for this window count,
|
|
// arrange the windows in a grid pattern.
|
|
let gridWidth = Math.ceil(Math.sqrt(numberOfWindows));
|
|
let gridHeight = Math.ceil(numberOfWindows / gridWidth);
|
|
|
|
let fraction = 0.95 * (1. / gridWidth);
|
|
|
|
let xCenter = (.5 / gridWidth) + ((windowIndex) % gridWidth) / gridWidth;
|
|
let yCenter = (.5 / gridHeight) + Math.floor((windowIndex / gridWidth)) / gridHeight;
|
|
|
|
return [xCenter, yCenter, fraction];
|
|
},
|
|
|
|
_computeAllWindowSlots: function(totalWindows) {
|
|
let slots = [];
|
|
for (let i = 0; i < totalWindows; i++) {
|
|
slots.push(this._computeWindowSlot(i, totalWindows));
|
|
}
|
|
return slots;
|
|
},
|
|
|
|
_onCloneSelected : function (clone, time) {
|
|
Main.overview.activateWindow(clone.metaWindow, time);
|
|
},
|
|
|
|
_removeSelf : function(actor, event) {
|
|
let screen = global.screen;
|
|
let workspace = screen.get_workspace_by_index(this.workspaceNum);
|
|
|
|
screen.remove_workspace(workspace, event.get_time());
|
|
return true;
|
|
},
|
|
|
|
// Draggable target interface
|
|
acceptDrop : function(source, actor, x, y, time) {
|
|
if (source instanceof WindowClone) {
|
|
let win = source.realWindow;
|
|
if (this._isMyWindow(win))
|
|
return false;
|
|
|
|
// Set a hint on the Mutter.Window so its initial position
|
|
// in the new workspace will be correct
|
|
win._overviewHint = {
|
|
x: actor.x,
|
|
y: actor.y,
|
|
scale: actor.scale_x
|
|
};
|
|
|
|
let metaWindow = win.get_meta_window();
|
|
metaWindow.change_workspace_by_index(this.workspaceNum,
|
|
false, // don't create workspace
|
|
time);
|
|
return true;
|
|
} else if (source.shellWorkspaceLaunch) {
|
|
this._metaWorkspace.activate(time);
|
|
source.shellWorkspaceLaunch();
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
};
|
|
|
|
Signals.addSignalMethods(Workspace.prototype);
|
|
|
|
// 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', _workspaceRelativeModifier, _workspaceRelativeGet);
|
|
|
|
function _workspaceRelativeModifier(workspace) {
|
|
let [startX, startY] = Main.overview.getPosition();
|
|
let overviewPosX, overviewPosY, overviewScale;
|
|
|
|
if (!workspace)
|
|
return [];
|
|
|
|
if (workspace.leavingOverview) {
|
|
let [zoomedInX, zoomedInY] = Main.overview.getZoomedInPosition();
|
|
overviewPosX = { begin: startX, end: zoomedInX };
|
|
overviewPosY = { begin: startY, end: zoomedInY };
|
|
overviewScale = { begin: Main.overview.getScale(),
|
|
end: Main.overview.getZoomedInScale() };
|
|
} else {
|
|
overviewPosX = { begin: startX, end: 0 };
|
|
overviewPosY = { begin: startY, end: 0 };
|
|
overviewScale = { begin: Main.overview.getScale(), end: 1 };
|
|
}
|
|
|
|
return [ { name: 'x',
|
|
parameters: { workspacePos: workspace.gridX,
|
|
overviewPos: overviewPosX,
|
|
overviewScale: overviewScale } },
|
|
{ name: 'y',
|
|
parameters: { workspacePos: workspace.gridY,
|
|
overviewPos: overviewPosY,
|
|
overviewScale: overviewScale } }
|
|
];
|
|
}
|
|
|
|
function _workspaceRelativeGet(begin, end, time, params) {
|
|
let curOverviewPos = (1 - time) * params.overviewPos.begin +
|
|
time * params.overviewPos.end;
|
|
let curOverviewScale = (1 - time) * params.overviewScale.begin +
|
|
time * params.overviewScale.end;
|
|
|
|
// Calculate the screen position of the window.
|
|
let screen = (1 - time) *
|
|
((begin + params.workspacePos) * params.overviewScale.begin +
|
|
params.overviewPos.begin) +
|
|
time *
|
|
((end + params.workspacePos) * params.overviewScale.end +
|
|
params.overviewPos.end);
|
|
|
|
// Return the workspace coordinates.
|
|
return (screen - curOverviewPos) / curOverviewScale - params.workspacePos;
|
|
}
|