status/backlight: Fix a11y label of discrete level buttons
Point the discrete level buttons to the corresponding labels, so that they don't appear as plain "button" in screen readers. Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/3545>
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@ -106,17 +106,23 @@ const DiscreteItem = GObject.registerClass({
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return 100 * Math.min(keyIndex, this.nLevels - 1) / (this.nLevels - 1);
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}
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_addLevelButton(key, label, iconName) {
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_addLevelButton(key, labelText, iconName) {
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const box = new St.BoxLayout({
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style_class: 'keyboard-brightness-level',
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vertical: true,
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x_expand: true,
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});
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const label = new St.Label({
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text: labelText,
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x_align: Clutter.ActorAlign.CENTER,
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});
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box.button = new St.Button({
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styleClass: 'icon-button',
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canFocus: true,
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iconName,
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labelActor: label,
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});
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box.add_child(box.button);
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@ -124,10 +130,7 @@ const DiscreteItem = GObject.registerClass({
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this.value = this._levelToValue(key);
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});
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box.add_child(new St.Label({
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text: label,
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x_align: Clutter.ActorAlign.CENTER,
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}));
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box.add_child(label);
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this.add_child(box);
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this._levelButtons.set(key, box);
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