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https://github.com/elementary/gala.git
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106 lines
3.6 KiB
Vala
106 lines
3.6 KiB
Vala
//
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// Copyright (C) 2016 Santiago León
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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namespace Gala {
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public class KeyboardManager : Object {
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static KeyboardManager? instance;
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static VariantType sources_variant_type;
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public static void init (Meta.Display display) {
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if (instance != null)
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return;
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instance = new KeyboardManager ();
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display.modifiers_accelerator_activated.connect (instance.handle_modifiers_accelerator_activated);
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}
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static construct {
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sources_variant_type = new VariantType ("a(ss)");
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}
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GLib.Settings settings;
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KeyboardManager () {
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Object ();
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}
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construct {
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var schema = GLib.SettingsSchemaSource.get_default ().lookup ("org.gnome.desktop.input-sources", true);
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if (schema == null)
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return;
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settings = new GLib.Settings.full (schema, null, null);
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Signal.connect (settings, "changed", (Callback) set_keyboard_layout, this);
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set_keyboard_layout (settings, "current");
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}
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[CCode (instance_pos = -1)]
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bool handle_modifiers_accelerator_activated (Meta.Display display) {
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display.ungrab_keyboard (display.get_current_time ());
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var sources = settings.get_value ("sources");
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if (!sources.is_of_type (sources_variant_type))
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return true;
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var n_sources = (uint) sources.n_children ();
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if (n_sources < 2)
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return true;
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var current = settings.get_uint ("current");
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settings.set_uint ("current", (current + 1) % n_sources);
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return true;
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}
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[CCode (instance_pos = -1)]
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void set_keyboard_layout (GLib.Settings settings, string key) {
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if (!(key == "current" || key == "source" || key == "xkb-options"))
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return;
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string layout = "us", variant = "", options = "";
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var sources = settings.get_value ("sources");
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if (!sources.is_of_type (sources_variant_type))
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return;
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var current = settings.get_uint ("current");
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unowned string? type = null, name = null;
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if (sources.n_children () > current)
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sources.get_child (current, "(&s&s)", out type, out name);
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if (type == "xkb") {
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string[] arr = name.split ("+", 2);
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layout = arr[0];
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variant = arr[1] ?? "";
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}
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var xkb_options = settings.get_strv ("xkb-options");
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if (xkb_options.length > 0)
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options = string.joinv (",", xkb_options);
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// Needed to make common keybindings work on non-latin layouts
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if (layout != "us" || variant != "") {
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layout = layout + ",us";
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variant = variant + ",";
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}
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Meta.Backend.get_backend ().set_keymap (layout, variant, options);
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}
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}
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}
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