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/* jslint esversion: 6 */
/* exported DrawingHelper */
/*
* Copyright 2019 Abakkk
*
* This file is part of DrawOnYourScreen, a drawing extension for GNOME Shell.
* https://framagit.org/abakkk/DrawOnYourScreen
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
const Clutter = imports.gi.Clutter;
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;
const St = imports.gi.St;
const Config = imports.misc.config;
const ExtensionUtils = imports.misc.extensionUtils;
const Me = ExtensionUtils.getCurrentExtension();
const Convenience = ExtensionUtils.getSettings ? ExtensionUtils : Me.imports.convenience;
const Shortcuts = Me.imports.shortcuts;
const _ = imports.gettext.domain(Me.metadata['gettext-domain']).gettext;
const GS_VERSION = Config.PACKAGE_VERSION;
const Tweener = GS_VERSION < '3.33.0' ? imports.ui.tweener : null;
const HELPER_ANIMATION_TIME = 0.25;
const MEDIA_KEYS_SCHEMA = 'org.gnome.settings-daemon.plugins.media-keys';
const MEDIA_KEYS_KEYS = ['screenshot', 'screenshot-clip', 'area-screenshot', 'area-screenshot-clip'];
const UUID = Me.uuid.replace(/@/gi, '_at_').replace(/[^a-z0-9+_-]/gi, '_');
// DrawingHelper provides the "help osd" (Ctrl + F1)
// It uses the same texts as in prefs
var DrawingHelper = new Lang.Class({
Name: `${UUID}-DrawingHelper`,
Extends: St.ScrollView,
_init: function(params, monitor) {
params.style_class = 'osd-window draw-on-your-screen-helper';
this.parent(params);
this.monitor = monitor;
this.hide();
this.settingsHandler = Me.settings.connect('changed', this._onSettingsChanged.bind(this));
this.internalShortcutsettingsHandler = Me.internalShortcutSettings.connect('changed', this._onSettingsChanged.bind(this));
this.connect('destroy', () => {
Me.settings.disconnect(this.settingsHandler);
Me.internalShortcutSettings.disconnect(this.internalShortcutsettingsHandler);
});
},
_onSettingsChanged: function(settings, key) {
if (key == 'toggle-help')
this._updateHelpKeyLabel();
if (this.vbox) {
this.vbox.destroy();
delete this.vbox;
}
},
_updateHelpKeyLabel: function() {
let [keyval, mods] = Gtk.accelerator_parse(Me.internalShortcutSettings.get_strv('toggle-help')[0] || '');
this._helpKeyLabel = Gtk.accelerator_get_label(keyval, mods);
},
get helpKeyLabel() {
if (!this._helpKeyLabel)
this._updateHelpKeyLabel();
return this._helpKeyLabel;
},
_populate: function() {
this.vbox = new St.BoxLayout({ vertical: true });
this.add_actor(this.vbox);
this.vbox.add_child(new St.Label({ text: _("Global") }));
Shortcuts.GLOBAL_KEYBINDINGS.forEach((settingKeys, index) => {
if (index)
this.vbox.add_child(new St.BoxLayout({ vertical: false, style_class: 'draw-on-your-screen-helper-separator' }));
settingKeys.forEach(settingKey => {
if (!Me.settings.get_strv(settingKey)[0])
return;
let hbox = new St.BoxLayout({ vertical: false });
let [keyval, mods] = Gtk.accelerator_parse(Me.settings.get_strv(settingKey)[0] || '');
hbox.add_child(new St.Label({ text: Me.settings.settings_schema.get_key(settingKey).get_summary() }));
hbox.add_child(new St.Label({ text: Gtk.accelerator_get_label(keyval, mods), x_expand: true }));
this.vbox.add_child(hbox);
});
});
this.vbox.add_child(new St.BoxLayout({ vertical: false, style_class: 'draw-on-your-screen-helper-separator' }));
this.vbox.add_child(new St.Label({ text: _("Internal") }));
Shortcuts.OTHERS.forEach((pairs, index) => {
if (index)
this.vbox.add_child(new St.BoxLayout({ vertical: false, style_class: 'draw-on-your-screen-helper-separator' }));
pairs.forEach(pair => {
let [action, shortcut] = pair;
let hbox = new St.BoxLayout({ vertical: false });
hbox.add_child(new St.Label({ text: action }));
hbox.add_child(new St.Label({ text: shortcut, x_expand: true }));
hbox.get_children()[0].get_clutter_text().set_use_markup(true);
this.vbox.add_child(hbox);
});
});
this.vbox.add_child(new St.BoxLayout({ vertical: false, style_class: 'draw-on-your-screen-helper-separator' }));
Shortcuts.INTERNAL_KEYBINDINGS.forEach((settingKeys, index) => {
if (index)
this.vbox.add_child(new St.BoxLayout({ vertical: false, style_class: 'draw-on-your-screen-helper-separator' }));
settingKeys.forEach(settingKey => {
if (!Me.internalShortcutSettings.get_strv(settingKey)[0])
return;
let hbox = new St.BoxLayout({ vertical: false });
let [keyval, mods] = Gtk.accelerator_parse(Me.internalShortcutSettings.get_strv(settingKey)[0] || '');
hbox.add_child(new St.Label({ text: Me.internalShortcutSettings.settings_schema.get_key(settingKey).get_summary() }));
hbox.add_child(new St.Label({ text: Gtk.accelerator_get_label(keyval, mods), x_expand: true }));
this.vbox.add_child(hbox);
});
});
let mediaKeysSettings;
try { mediaKeysSettings = Convenience.getSettings(MEDIA_KEYS_SCHEMA); } catch(e) { return; }
this.vbox.add_child(new St.BoxLayout({ vertical: false, style_class: 'draw-on-your-screen-helper-separator' }));
this.vbox.add_child(new St.Label({ text: _("System") }));
for (let settingKey of MEDIA_KEYS_KEYS) {
if (!mediaKeysSettings.settings_schema.has_key(settingKey))
continue;
let shortcut = GS_VERSION < '3.33.0' ? mediaKeysSettings.get_string(settingKey) : mediaKeysSettings.get_strv(settingKey)[0];
if (!shortcut)
continue;
let [keyval, mods] = Gtk.accelerator_parse(shortcut || '');
let hbox = new St.BoxLayout({ vertical: false });
hbox.add_child(new St.Label({ text: mediaKeysSettings.settings_schema.get_key(settingKey).get_summary() }));
hbox.add_child(new St.Label({ text: Gtk.accelerator_get_label(keyval, mods), x_expand: true }));
this.vbox.add_child(hbox);
}
},
showHelp: function() {
if (!this.vbox)
this._populate();
this.opacity = 0;
this.show();
let maxHeight = this.monitor.height * 3 / 4;
this.set_height(Math.min(this.height, maxHeight));
this.set_position(Math.floor(this.monitor.width / 2 - this.width / 2),
Math.floor(this.monitor.height / 2 - this.height / 2));
if (this.height == maxHeight)
this.vscrollbar_policy = Gtk.PolicyType.ALWAYS;
else
this.vscrollbar_policy = Gtk.PolicyType.NEVER;
if (Tweener) {
Tweener.removeTweens(this);
Tweener.addTween(this, { opacity: 255,
time: HELPER_ANIMATION_TIME,
transition: 'easeOutQuad' });
} else {
this.remove_all_transitions();
this.ease({ opacity: 255,
duration: HELPER_ANIMATION_TIME * 1000,
transition: Clutter.AnimationMode.EASE_OUT_QUAD });
}
},
hideHelp: function() {
if (Tweener) {
Tweener.removeTweens(this);
Tweener.addTween(this, { opacity: 0,
time: HELPER_ANIMATION_TIME,
transition: 'easeOutQuad',
onComplete: this.hide.bind(this) });
} else {
this.remove_all_transitions();
this.ease({ opacity: 0,
duration: HELPER_ANIMATION_TIME * 1000,
transition: Clutter.AnimationMode.EASE_OUT_QUAD,
onComplete: this.hide.bind(this) });
}
}
});
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