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overviewControls: Limit Dash height to 15% of the overview's

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Back when the Dash was vertical, the size of each item was calculated
solely based on the available height. After making the Dash horizontal,
this was swapped by the available width. However, when the height of the
Dash decreases, the current code results in never scaling them up ever
again.

Fix that by making ControlsManagerLayout explicitly pass the maximum Dash
sizes. Remove the 'notify::width' handler that served the same purpose.

Fixes https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/3651

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1638>
This commit is contained in:
Georges Basile Stavracas Neto 2021-01-22 10:36:37 -03:00 • committed by Marge Bot
parent 1b51ae150d
commit c0a4d90847
2 changed files with 30 additions and 15 deletions
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7
js/ui/overviewControls.js
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@ -14,6 +14,7 @@ const WorkspaceThumbnail = imports.ui.workspaceThumbnail;
const WorkspacesView = imports.ui.workspacesView;
const SMALL_WORKSPACE_RATIO = 0.15;
const DASH_MAX_HEIGHT_RATIO = 0.15;
var SIDE_CONTROLS_ANIMATION_TIME = Overview.ANIMATION_TIME;
@ -118,7 +119,11 @@ class ControlsManagerLayout extends Clutter.BoxLayout {
availableHeight -= searchHeight + spacing;
// Dash
const [, dashHeight] = this._dash.get_preferred_height(width);
const maxDashHeight = Math.round(box.get_height() * DASH_MAX_HEIGHT_RATIO);
this._dash.setMaxSize(width, maxDashHeight);
let [, dashHeight] = this._dash.get_preferred_height(width);
dashHeight = Math.min(dashHeight, maxDashHeight);
childBox.set_origin(0, height - dashHeight);
childBox.set_size(width, dashHeight);
this._dash.allocate(childBox);