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[Overview] Base minimum motion on actors

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When figuring out where to position window previews, use the clone's
position instead of the the original meta window. There shouldn't be
a difference when entering the overview, but it makes the motion when
opening/closing new windows in the overview tinier and more predictable.

https://bugzilla.gnome.org/show_bug.cgi?id=611167
This commit is contained in:
Florian Müllner 2010-02-26 16:45:05 +01:00
parent 40a8e9c1a6
commit 499c5737da
1 changed files with 11 additions and 11 deletions
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22
js/ui/workspace.js
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@ -855,7 +855,7 @@ Workspace.prototype = {
/**
* _computeWindowMotion:
* @metaWindow: A #MetaWindow
* @actor: A #WindowClone's #ClutterActor
* @slot: An element of #POSITIONS
* @slotGeometry: Layout of @slot
*
@ -864,15 +864,15 @@ Workspace.prototype = {
* Currently this is the square of the distance between the
* centers.
*/
_computeWindowMotion: function (metaWindow, slot) {
let rect = new Meta.Rectangle();
metaWindow.get_outer_rect(rect);
_computeWindowMotion: function (actor, slot) {
let [xCenter, yCenter, fraction] = slot;
let xDelta, yDelta, distanceSquared;
let actorWidth, actorHeight;
xDelta = rect.x + rect.width / 2.0 - xCenter * global.screen_width;
yDelta = rect.y + rect.height / 2.0 - yCenter * global.screen_height;
actorWidth = actor.width * actor.scale_x;
actorHeight = actor.height * actor.scale_y;
xDelta = actor.x + actorWidth / 2.0 - xCenter * global.screen_width;
yDelta = actor.y + actorHeight / 2.0 - yCenter * global.screen_height;
distanceSquared = xDelta * xDelta + yDelta * yDelta;
return distanceSquared;
@ -891,10 +891,10 @@ Workspace.prototype = {
this._forEachPermutations(clones, Lang.bind(this, function (permutation) {
let motion = 0;
for (let i = 0; i < permutation.length; i++) {
let metaWindow = permutation[i].metaWindow;
let cloneActor = permutation[i].actor;
let slot = slots[i];
let delta = this._computeWindowMotion(metaWindow, slot);
let delta = this._computeWindowMotion(cloneActor, slot);
motion += delta;
}
@ -924,8 +924,8 @@ Workspace.prototype = {
let minimumMotionIndex = -1;
let minimumMotion = -1;
for (let j = 0; j < clonesCopy.length; j++) {
let metaWindow = clonesCopy[j].metaWindow;
let delta = this._computeWindowMotion(metaWindow, slot);
let cloneActor = clonesCopy[j].actor;
let delta = this._computeWindowMotion(cloneActor, slot);
if (minimumMotionIndex == -1 || delta < minimumMotion) {
minimumMotionIndex = j;
minimumMotion = delta;