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overview: Get rid of panel ghost actor

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Right now we use a ClutterClone ghost of the panel simply to add some
spacing to the top monitor edge.

We can remove the panelGhost by adjusting the allocations of all the
parts of the overview ourselves inside ControlsManagers vfunc_allocate,
this should also work with extensions that move the panel somewhere
else.

This makes the initial relayout of the overview significantly faster,
because we now no longer have to relayout the whole panel in the
process.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1755>
This commit is contained in:
Jonas Dreßler
2021-03-09 17:31:30 +01:00
committed by Marge Bot
parent ae23ad372d
commit d49606bbaa
2 changed files with 17 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
js/ui/overviewControls.js
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@ -47,7 +47,7 @@ class ControlsManagerLayout extends Clutter.BoxLayout {
stateAdjustment.connect('notify::value', () => this.layout_changed());
}
_computeWorkspacesBoxForState(state, box, searchHeight, dashHeight, thumbnailsHeight) {
_computeWorkspacesBoxForState(state, box, startY, searchHeight, dashHeight, thumbnailsHeight) {
const workspaceBox = box.copy();
const [width, height] = workspaceBox.get_size();
const { spacing } = this;
@ -58,7 +58,7 @@ class ControlsManagerLayout extends Clutter.BoxLayout {
break;
case ControlsState.WINDOW_PICKER:
workspaceBox.set_origin(0,
searchHeight + spacing +
startY + searchHeight + spacing +
thumbnailsHeight + spacing * expandFraction);
workspaceBox.set_size(width,
height -
@ -67,7 +67,7 @@ class ControlsManagerLayout extends Clutter.BoxLayout {
thumbnailsHeight - spacing * expandFraction);
break;
case ControlsState.APP_GRID:
workspaceBox.set_origin(0, searchHeight + spacing);
workspaceBox.set_origin(0, startY + searchHeight + spacing);
workspaceBox.set_size(
width,
Math.round(height * SMALL_WORKSPACE_RATIO));
@ -77,7 +77,7 @@ class ControlsManagerLayout extends Clutter.BoxLayout {
return workspaceBox;
}
_getAppDisplayBoxForState(state, box, searchHeight, dashHeight, appGridBox) {
_getAppDisplayBoxForState(state, box, startY, searchHeight, dashHeight, appGridBox) {
const [width, height] = box.get_size();
const appDisplayBox = new Clutter.ActorBox();
const { spacing } = this;
@ -89,7 +89,7 @@ class ControlsManagerLayout extends Clutter.BoxLayout {
break;
case ControlsState.APP_GRID:
appDisplayBox.set_origin(0,
searchHeight + spacing + appGridBox.get_height());
startY + searchHeight + spacing + appGridBox.get_height());
break;
}
@ -130,12 +130,17 @@ class ControlsManagerLayout extends Clutter.BoxLayout {
const { spacing } = this;
let startY = 0;
if (Main.layoutManager.panelBox.y === Main.layoutManager.primaryMonitor.y) {
startY = Main.layoutManager.panelBox.height;
box.y1 += startY;
}
const [width, height] = box.get_size();
let availableHeight = height;
// Search entry
const [searchHeight] = this._searchEntry.get_preferred_height(width);
childBox.set_origin(0, 0);
let [searchHeight] = this._searchEntry.get_preferred_height(width);
childBox.set_origin(0, startY);
childBox.set_size(width, searchHeight);
this._searchEntry.allocate(childBox);
@ -147,7 +152,7 @@ class ControlsManagerLayout extends Clutter.BoxLayout {
let [, dashHeight] = this._dash.get_preferred_height(width);
dashHeight = Math.min(dashHeight, maxDashHeight);
childBox.set_origin(0, height - dashHeight);
childBox.set_origin(0, startY + height - dashHeight);
childBox.set_size(width, dashHeight);
this._dash.allocate(childBox);
@ -162,13 +167,13 @@ class ControlsManagerLayout extends Clutter.BoxLayout {
thumbnailsHeight = Math.min(
thumbnailsHeight * expandFraction,
height * WorkspaceThumbnail.MAX_THUMBNAIL_SCALE);
childBox.set_origin(0, searchHeight + spacing);
childBox.set_origin(0, startY + searchHeight + spacing);
childBox.set_size(width, thumbnailsHeight);
this._workspacesThumbnails.allocate(childBox);
}
// Workspaces
let params = [box, searchHeight, dashHeight, thumbnailsHeight];
let params = [box, startY, searchHeight, dashHeight, thumbnailsHeight];
const transitionParams = this._stateAdjustment.getStateTransitionParams();
// Update cached boxes
@ -193,7 +198,7 @@ class ControlsManagerLayout extends Clutter.BoxLayout {
const workspaceAppGridBox =
this._cachedWorkspaceBoxes.get(ControlsState.APP_GRID);
params = [box, searchHeight, dashHeight, workspaceAppGridBox];
params = [box, startY, searchHeight, dashHeight, workspaceAppGridBox];
let appDisplayBox;
if (!transitionParams.transitioning) {
appDisplayBox =
@ -211,7 +216,7 @@ class ControlsManagerLayout extends Clutter.BoxLayout {
}
// Search
childBox.set_origin(0, searchHeight + spacing);
childBox.set_origin(0, startY + searchHeight + spacing);
childBox.set_size(width, availableHeight);
this._searchController.allocate(childBox);