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keyboardManager: Avoid idempotent calls to meta_backend_set_keymap()

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But still try to apply the keymap whenever the input sources changed. This
is a different approach to gnome-shell#240 that still avoid redundant
changes to the current keymap, but actually trigger one when input sources
are added.

https://bugzilla.redhat.com/show_bug.cgi?id=1637418

Closes: https://gitlab.gnome.org/GNOME/gnome-shell/issues/691


(cherry picked from commit b405ed6442)
This commit is contained in:
Carlos Garnacho 2018-10-22 22:06:36 +00:00 committed by Marco Trevisan
parent b48e95cba2
commit ac3738f4be
1 changed files with 9 additions and 5 deletions
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14
js/misc/keyboardManager.js
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@ -52,11 +52,20 @@ var KeyboardManager = new Lang.Class({
this._current = null;
this._localeLayoutInfo = this._getLocaleLayout();
this._layoutInfos = {};
this._currentKeymap = null;
},
_applyLayoutGroup(group) {
let options = this._buildOptionsString();
let [layouts, variants] = this._buildGroupStrings(group);
if (this._currentKeymap &&
this._currentKeymap.layouts == layouts &&
this._currentKeymap.variants == variants &&
this._currentKeymap.options == options)
return;
this._currentKeymap = {layouts, variants, options};
Meta.get_backend().set_keymap(layouts, variants, options);
},
@ -89,8 +98,6 @@ var KeyboardManager = new Lang.Class({
},
setUserLayouts(ids) {
let currentId = this._current ? this._current.id : null;
let currentGroupIndex = this._current ? this._current.groupIndex : null;
this._current = null;
this._layoutInfos = {};
@ -117,9 +124,6 @@ var KeyboardManager = new Lang.Class({
info.group = group;
info.groupIndex = groupIndex;
if (currentId == id && currentGroupIndex == groupIndex)
this._current = info;
i += 1;
}
},