Files
Burn-My-Windows/prefs.js
T
Simon Schneegans 956cef56b4 🔧 Start porting to GTK4
2023-02-01 05:36:50 +01:00

810 lines
31 KiB
JavaScript

//////////////////////////////////////////////////////////////////////////////////////////
// ) ( //
// ( /( ( ( ) ( ( ( ( )\ ) ( ( //
// )\()) ))\ )( ( ( )\ ) )\))( )\ ( (()/( ( )\))( ( //
// ((_)\ /((_|()\ )\ ) )\ '(()/( ((_)()((_) )\ ) ((_)))\((_)()\ )\ //
// | |(_|_))( ((_)_(_/( _((_)) )(_)) _(()((_|_)_(_/( _| |((_)(()((_|(_) //
// | '_ \ || | '_| ' \)) | ' \()| || | \ V V / | ' \)) _` / _ \ V V (_-< //
// |_.__/\_,_|_| |_||_| |_|_|_| \_, | \_/\_/|_|_||_|\__,_\___/\_/\_//__/ //
// |__/ //
//////////////////////////////////////////////////////////////////////////////////////////
// SPDX-FileCopyrightText: Simon Schneegans <code@simonschneegans.de>
// SPDX-License-Identifier: GPL-3.0-or-later
'use strict';
const {Gio, Gtk, Gdk, GLib, GObject} = imports.gi;
// libadwaita is available starting with GNOME Shell 42.
let Adw = null;
try {
Adw = imports.gi.Adw;
} catch (e) {
// Nothing to do.
}
const _ = imports.gettext.domain('burn-my-windows').gettext;
const ExtensionUtils = imports.misc.extensionUtils;
const Me = imports.misc.extensionUtils.getCurrentExtension();
const utils = Me.imports.src.utils;
const ProfileManager = Me.imports.src.ProfileManager.ProfileManager;
//////////////////////////////////////////////////////////////////////////////////////////
// The preferences dialog is organized in pages, each of which is loaded from a //
// separate ui file. There's one page with general options, all other paged are loaded //
// from the respective effects. //
//////////////////////////////////////////////////////////////////////////////////////////
var PreferencesDialog = class PreferencesDialog {
// ------------------------------------------------------------ constructor / destructor
constructor() {
// New effects must be registered here and in extension.js.
this._ALL_EFFECTS = [
// new Me.imports.src.effects.Apparition.Apparition(),
// new Me.imports.src.effects.BrokenGlass.BrokenGlass(),
// new Me.imports.src.effects.Doom.Doom(),
// new Me.imports.src.effects.EnergizeA.EnergizeA(),
// new Me.imports.src.effects.EnergizeB.EnergizeB(),
// new Me.imports.src.effects.Fire.Fire(),
// new Me.imports.src.effects.Glide.Glide(),
// new Me.imports.src.effects.Glitch.Glitch(),
// new Me.imports.src.effects.Hexagon.Hexagon(),
// new Me.imports.src.effects.Incinerate.Incinerate(),
// new Me.imports.src.effects.Matrix.Matrix(),
// new Me.imports.src.effects.Pixelate.Pixelate(),
// new Me.imports.src.effects.PixelWheel.PixelWheel(),
// new Me.imports.src.effects.PixelWipe.PixelWipe(),
// new Me.imports.src.effects.Portal.Portal(),
// new Me.imports.src.effects.SnapOfDisintegration.SnapOfDisintegration(),
// new Me.imports.src.effects.TRexAttack.TRexAttack(),
// new Me.imports.src.effects.TVEffect.TVEffect(),
// new Me.imports.src.effects.TVGlitch.TVGlitch(),
// new Me.imports.src.effects.Wisps.Wisps(),
];
// Load all of our resources.
this._resources = Gio.Resource.load(Me.path + '/resources/burn-my-windows.gresource');
Gio.resources_register(this._resources);
// Load the CSS file for the settings dialog.
const styleProvider = Gtk.CssProvider.new();
styleProvider.load_from_resource('/css/gtk.css');
if (utils.isGTK4()) {
Gtk.StyleContext.add_provider_for_display(Gdk.Display.get_default(), styleProvider,
Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION);
} else {
Gtk.StyleContext.add_provider_for_screen(Gdk.Screen.get_default(), styleProvider,
Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION);
}
// Make sure custom icons are found.
if (utils.isGTK4()) {
Gtk.IconTheme.get_for_display(Gdk.Display.get_default()).add_resource_path('/img');
} else {
Gtk.IconTheme.get_default().add_resource_path('/img');
}
// Load the general user interface files.
this._builder = new Gtk.Builder();
this._builder.add_from_resource(`/ui/common/menus.ui`);
this._builder.add_from_resource(`/ui/${utils.getUIDir()}/prefs.ui`);
// Store a reference to the general settings object.
this._settings = ExtensionUtils.getSettings();
// This tracks all available effect profiles.
this._profileManager = new ProfileManager();
// This is used to track all connections to properties of the current effect profile.
// Whenever the current effect profile changes, all connections are disconnected.
this._profileConnections = [];
// Load the current effect profile. If there is none, we create a default profile.
this._settings.connect('changed::active-profile', () => {
this._loadActiveProfile();
});
// Check whether the power profiles daemon is available - if not, we hide the
// corresponding settings row.
let hasPowerProfiles = false;
try {
const PowerProfilesProxy = Gio.DBusProxy.makeProxyWrapper(
utils.getStringResource('/interfaces/net.hadess.PowerProfiles.xml'));
let powerProfilesProxy = new PowerProfilesProxy(
Gio.DBus.system, 'net.hadess.PowerProfiles', '/net/hadess/PowerProfiles');
hasPowerProfiles = powerProfilesProxy.get_name_owner() != null;
} catch (e) {
// Maybe the service is masked...
}
let powerProfileRow = this._builder.get_object('profile-power-profile');
if (!utils.isADW()) {
powerProfileRow = powerProfileRow.get_parent().get_parent();
}
powerProfileRow.set_visible(hasPowerProfiles);
// The global color scheme is only available starting with GNOME Shell 42. We hide the
// corresponding settings row on older versions.
let colorSchemeRow = this._builder.get_object('profile-color-scheme');
if (!utils.isADW()) {
colorSchemeRow = colorSchemeRow.get_parent().get_parent();
}
colorSchemeRow.set_visible(utils.shellVersionIsAtLeast(42, 0));
this._builder.get_object('profile-choose-app-button').connect('clicked', () => {
Gio.DBus.session.call('org.gnome.Shell',
'/org/gnome/shell/extensions/BurnMyWindows',
'org.gnome.shell.extensions.BurnMyWindows', 'PickWindow',
null, null, Gio.DBusCallFlags.NO_AUTO_START, -1, null, null);
});
this._dbusConnection = Gio.DBus.session.signal_subscribe(
'org.gnome.Shell', 'org.gnome.shell.extensions.BurnMyWindows', 'WindowPicked',
'/org/gnome/shell/extensions/BurnMyWindows', null, Gio.DBusSignalFlags.NONE,
(conn, sender, obj_path, iface, signal, params) => {
const val = params.get_child_value(0).get_string()[0];
if (val != 'window-not-found') {
this._builder.get_object('profile-app').text = val;
}
});
// This is our top-level widget which we will return later.
this._widget = this._builder.get_object('general-prefs');
// Then add a preferences group for the effect expander rows.
const group = this._builder.get_object('effects-group');
// This stores all expander rows for the effects. We use this to implement the
// accordion-like behavior of the effect settings.
this._effectRows = [];
// Now add all the rows.
this._ALL_EFFECTS.forEach(effect => {
const [minMajor, minMinor] = effect.getMinShellVersion();
if (utils.shellVersionIsAtLeast(minMajor, minMinor)) {
const uiFile = `/ui/${utils.getUIDir()}/${effect.getNick()}.ui`;
const [hasPrefs] = Gio.resources_get_info(uiFile, 0);
let row;
if (hasPrefs) {
// Add the settings page to the builder.
this._builder.add_from_resource(uiFile);
// Add the effect's preferences (if any).
row = this._builder.get_object(`${effect.getNick()}-prefs`);
} else {
row = Adw.ActionRow.new();
}
// On older versions of Adw (e.g. on GNOME Shell <43), the set_use_markup() does
// not yet exist.
if (row.set_use_markup) {
row.set_title('<b>' + effect.getLabel() + '</b>');
row.set_use_markup(true);
} else {
row.set_title(effect.getLabel());
}
// Un-expand any previously expanded effect row. This way we ensure that there
// is only one expanded row at any time.
if (hasPrefs) {
row.connect('notify::expanded', currentRow => {
if (currentRow.get_expanded()) {
this._effectRows.forEach(row => {
if (row != currentRow && row.set_expanded) {
row.set_expanded(false);
}
});
}
});
}
// The preview button.
const previewButton = Gtk.Button.new_from_icon_name('bmw-preview-symbolic');
previewButton.add_css_class('circular');
previewButton.add_css_class('flat');
previewButton.set_tooltip_text(_('Preview this effect'));
previewButton.set_valign(Gtk.Align.CENTER);
row.add_action(previewButton);
previewButton.connect('clicked', () => {
this._previewEffect(effect);
});
// Now add the toggle button for enabling and disabling the effect.
const button = Gtk.Switch.new();
button.set_tooltip_text(_('Use this effect'));
button.set_valign(Gtk.Align.CENTER);
this._builder.expose_object(`${effect.getNick()}-enable-effect`, button);
row.add_prefix(button);
group.add(row);
this._effectRows.push(row);
}
});
// Some things can only be done once the widget is shown as we do not have access to
// the toplevel widget before.
this._widget.connect('realize', (widget) => {
const window = utils.isGTK4() ? widget.get_root() : widget.get_toplevel();
// Show the version number in the title bar.
window.set_title(`Burn-My-Windows ${Me.metadata.version}`);
this._loadActiveProfile();
this._updateProfileMenu();
// Populate the menu with actions.
const group = Gio.SimpleActionGroup.new();
window.insert_action_group('prefs', group);
// Add the main menu to the title bar.
{
// Add the menu button to the title bar.
const menu = this._builder.get_object('menu-button');
// Starting with GNOME Shell 42, we have to hack our way through the widget tree
// of the Adw.PreferencesWindow...
if (utils.isADW()) {
const header = this._findWidgetByType(window.get_content(), Adw.HeaderBar);
header.pack_start(menu);
header.set_title_widget(this._builder.get_object('profile-button'));
const flap = this._builder.get_object('profile-editor-flap');
const clamp = this._findWidgetByType(window.get_content(), Adw.Clamp);
const viewport = clamp.get_parent();
viewport.get_parent().set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.NEVER);
viewport.set_child(flap);
const scrolledWindow = Gtk.ScrolledWindow.new();
scrolledWindow.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC);
scrolledWindow.set_propagate_natural_height(true);
scrolledWindow.set_vexpand(true);
scrolledWindow.set_child(clamp);
flap.set_content(scrolledWindow);
} else {
window.get_titlebar().pack_start(menu);
window.get_titlebar().set_title_widget(this._builder.get_object('profile-button'));
}
const addURIAction = (name, uri) => {
const action = Gio.SimpleAction.new(name, null);
action.connect('activate', () => Gtk.show_uri(null, uri, Gdk.CURRENT_TIME));
group.add_action(action);
};
// clang-format off
addURIAction('homepage', 'https://github.com/Schneegans/Burn-My-Windows');
addURIAction('changelog', 'https://github.com/Schneegans/Burn-My-Windows/blob/main/docs/changelog.md');
addURIAction('bugs', 'https://github.com/Schneegans/Burn-My-Windows/issues');
addURIAction('new-effect', 'https://github.com/Schneegans/Burn-My-Windows/blob/main/docs/how-to-create-new-effects.md');
addURIAction('translate', 'https://hosted.weblate.org/engage/burn-my-windows/');
addURIAction('donate-paypal', 'https://www.paypal.com/donate/?hosted_button_id=3F7UFL8KLVPXE');
addURIAction('donate-github', 'https://github.com/sponsors/Schneegans');
// clang-format on
// Add the about dialog.
const aboutAction = Gio.SimpleAction.new('about', null);
aboutAction.connect('activate', () => {
// The JSON report format from weblate is a bit weird. Here we extract all
// unique names from the translation report.
const translators = new Set();
this._getJSONResource('/credits/translators.json').forEach(i => {
for (const j of Object.values(i)) {
j.forEach(k => translators.add(k[1]));
}
});
const sponsors = this._getJSONResource('/credits/sponsors.json');
let dialog;
// We try to use the special Adw.AboutWindow if it is available.
if (utils.isADW() && Adw.AboutWindow) {
let formatSponsors = (sponsors) => {
return sponsors.map(s => {
if (s.url == '')
return s.name;
else
return `${s.name} ${s.url}`;
});
};
dialog = new Adw.AboutWindow({transient_for: window, modal: true});
dialog.set_application_icon('burn-my-windows-symbolic');
dialog.set_application_name('Burn-My-Windows');
dialog.set_version(`${Me.metadata.version}`);
dialog.set_developer_name('Simon Schneegans');
dialog.set_issue_url('https://github.com/Schneegans/Burn-My-Windows/issues');
if (sponsors.gold.length > 0) {
dialog.add_credit_section(_('Gold Sponsors'),
formatSponsors(sponsors.gold));
}
if (sponsors.silver.length > 0) {
dialog.add_credit_section(_('Silver Sponsors'),
formatSponsors(sponsors.silver));
}
if (sponsors.bronze.length > 0) {
dialog.add_credit_section(_('Bronze Sponsors'),
formatSponsors(sponsors.bronze));
}
if (sponsors.past.length > 0) {
dialog.add_credit_section(_('Past Sponsors'),
formatSponsors(sponsors.past));
}
} else {
let formatSponsors = (sponsors) => {
return sponsors.map(s => {
if (s.url == '')
return s.name;
else
return `<a href="${s.url}">${s.name}</a>`;
});
};
dialog = new Gtk.AboutDialog({transient_for: window, modal: true});
dialog.set_logo_icon_name('burn-my-windows-symbolic');
dialog.set_program_name(`Burn-My-Windows ${Me.metadata.version}`);
dialog.set_authors(['Simon Schneegans']);
if (sponsors.gold.length > 0) {
dialog.add_credit_section(_('Gold Sponsors'),
formatSponsors(sponsors.gold));
}
if (sponsors.silver.length > 0) {
dialog.add_credit_section(_('Silver Sponsors'),
formatSponsors(sponsors.silver));
}
if (sponsors.bronze.length > 0) {
dialog.add_credit_section(_('Bronze Sponsors'),
formatSponsors(sponsors.bronze));
}
if (sponsors.past.length > 0) {
dialog.add_credit_section(_('Past Sponsors'),
formatSponsors(sponsors.past));
}
}
dialog.set_translator_credits([...translators].join('\n'));
dialog.set_copyright('© 2022 Simon Schneegans');
dialog.set_website('https://github.com/Schneegans/Burn-My-Windows');
dialog.set_license_type(Gtk.License.GPL_3_0);
if (utils.isGTK4()) {
dialog.show();
} else {
dialog.show_all();
}
});
group.add_action(aboutAction);
}
// Setup all the profile-related actions.
{
// Allow switching the current profile.
const activeProfileAction = this._settings.create_action('active-profile');
group.add_action(activeProfileAction);
// This action creates a new profile and makes it the active one.
const newProfileAction = Gio.SimpleAction.new('profile-new', null);
newProfileAction.connect('activate', () => {
const profile = this._profileManager.createProfile();
this._settings.set_string('active-profile', profile.path);
// Start editing the profile.
this._builder.get_object('edit-profile-button').active = true;
// The number of profiles has changed, so we have to update the profile
// selection menu.
this._updateProfileMenu();
});
group.add_action(newProfileAction);
// This action shows a confirmation dialog. Upon user approval, the currently
// active profile is deleted. We use the more beautiful Adw.MessageDialog if it is
// available (usually on GNOME 43 and beyond).
let deleteProfileDialog;
const dialogTitle = _('Delete this Profile?');
const dialogSubtitle = _('The current effect profile will be permanently lost.');
if (utils.isADW() && Adw.MessageDialog) {
deleteProfileDialog =
new Adw.MessageDialog({heading: dialogTitle, body: dialogSubtitle});
deleteProfileDialog.add_response('cancel', _('Cancel'));
deleteProfileDialog.add_response('delete', _('Delete'));
deleteProfileDialog.set_response_appearance('delete',
Adw.ResponseAppearance.DESTRUCTIVE);
deleteProfileDialog.set_default_response('cancel');
deleteProfileDialog.set_close_response('cancel');
} else {
deleteProfileDialog = new Gtk.MessageDialog({
text: dialogTitle,
secondary_text: dialogSubtitle,
modal: true,
title: '',
buttons: Gtk.ButtonsType.OK_CANCEL
});
}
deleteProfileDialog.set_hide_on_close(true);
deleteProfileDialog.set_transient_for(window);
deleteProfileDialog.connect('response', (dialog, response) => {
if (response == 'delete' || response == Gtk.ResponseType.OK) {
// Stop editing the current profile.
this._builder.get_object('edit-profile-button').active = false;
// Delete the currently active profile.
this._profileManager.deleteProfile(this._activeProfile.path);
// Select another one.
this._settings.set_string('active-profile',
this._profileManager.getProfiles()[0].path);
// The number of profiles has changed, so we have to update the profile
// selection menu.
this._updateProfileMenu();
}
dialog.hide();
});
const deleteProfileAction = Gio.SimpleAction.new('profile-delete', null);
deleteProfileAction.connect('activate', () => {
deleteProfileDialog.show();
});
group.add_action(deleteProfileAction);
}
});
// As we do not have something like a destructor, we just listen for the destroy
// signal of our main widget.
this._widget.connect('destroy', () => {
// Unregister our resources.
Gio.resources_unregister(this._resources);
// Disconnect from the window-picker API.
Gio.DBus.session.signal_unsubscribe(this._dbusConnection);
});
// Show the widgets on GTK3.
if (!utils.isGTK4()) {
this._widget.show_all();
}
}
// -------------------------------------------------------------------- public interface
// Returns the internally used Gtk.Builder. Effects can use this to modify the UI of the
// preferences dialog.
getBuilder() {
return this._builder;
}
// Returns a Gio.Settings object for the current effect profile.
getProfileSettings() {
return this._activeProfile.settings;
}
// Returns the widget used for the settings of this extension.
getWidget() {
return this._widget;
}
// Connects an Adw.ComboRow (or anything else which has an 'selected' property) to a
// settings key. It also binds the corresponding reset button.
bindComboRow(settingsKey) {
this._bind(settingsKey, 'selected');
}
// Connects a Gtk.ComboBox (or anything else which has an 'active' property) to a
// settings key. It also binds the corresponding reset button.
bindComboBox(settingsKey) {
this._bind(settingsKey, 'active');
}
// Connects a Gtk.Entry (or anything else which has an 'text' property) to a
// settings key. It also binds the corresponding reset button.
bindEntry(settingsKey) {
this._bind(settingsKey, 'text');
}
// Connects a Gtk.Adjustment (or anything else which has a 'value' property) to a
// settings key. It also binds the corresponding reset button.
bindAdjustment(settingsKey) {
this._bind(settingsKey, 'value');
}
// Connects a Gtk.Switch (or anything else which has an 'active' property) to a settings
// key. It also binds the corresponding reset button.
bindSwitch(settingsKey) {
this._bind(settingsKey, 'active');
}
// Colors are stored as strings like 'rgb(1, 0.5, 0)'. As Gio.Settings.bind_with_mapping
// is not available yet, we need to do the color conversion manually. It also binds the
// corresponding reset button.
bindColorButton(settingsKey) {
const button = this._builder.get_object(settingsKey);
if (button) {
// Update the settings when the color is modified.
if (!button._isConnected) {
button.connect('color-set', () => {
this.getProfileSettings().set_string(settingsKey,
button.get_rgba().to_string());
});
button._isConnected = true;
}
// Update the button state when the settings change.
const settingSignalHandler = () => {
const rgba = new Gdk.RGBA();
rgba.parse(this.getProfileSettings().get_string(settingsKey));
button.rgba = rgba;
};
this._connectProfileSetting('changed::' + settingsKey, settingSignalHandler);
// Initialize the button with the state in the settings.
settingSignalHandler();
}
this._bindResetButton(settingsKey);
}
// ----------------------------------------------------------------- GTK3 / GTK4 helpers
// Appends the given child widget to the given Gtk.Box.
gtkBoxAppend(box, child) {
if (utils.isGTK4()) {
box.append(child);
} else {
box.pack_start(child, false, false, 0);
}
}
// ----------------------------------------------------------------------- private stuff
// This loads all settings from the profile given in the settings key 'active-profile'.
_loadActiveProfile() {
// Disconnect any connection to the previously active profile.
this._disconnectProfileSettings();
// Find the active profile in the list of all profiles.
const allProfiles = this._profileManager.getProfiles();
const path = this._settings.get_string('active-profile');
this._activeProfile = allProfiles.find(p => p.path == path);
// If, for whatever reason, it is not found, select the first one. Setting the
// settings key will trigger this method again.
if (!this._activeProfile) {
this._activeProfile = allProfiles[0];
this._settings.set_string('active-profile', this._activeProfile.path);
return;
}
// Connect all profile options.
const updateProfileButtonMenuIfChanged = (settingsKey) => {
this._connectProfileSetting('changed::' + settingsKey, () => {
this._updateProfileButton();
this._updateProfileMenu();
});
};
updateProfileButtonMenuIfChanged('profile-app');
updateProfileButtonMenuIfChanged('profile-animation-type');
updateProfileButtonMenuIfChanged('profile-window-type');
updateProfileButtonMenuIfChanged('profile-color-scheme');
updateProfileButtonMenuIfChanged('profile-power-mode');
updateProfileButtonMenuIfChanged('profile-power-profile');
this.bindEntry('profile-app');
if (utils.isADW()) {
this.bindComboRow('profile-animation-type');
this.bindComboRow('profile-window-type');
this.bindComboRow('profile-color-scheme');
this.bindComboRow('profile-power-mode');
this.bindComboRow('profile-power-profile');
} else {
this.bindComboBox('profile-animation-type');
this.bindComboBox('profile-window-type');
this.bindComboBox('profile-color-scheme');
this.bindComboBox('profile-power-mode');
this.bindComboBox('profile-power-profile');
}
this.bindSwitch('profile-high-priority');
// Connect all effect settings.
this._ALL_EFFECTS.forEach(effect => {
const [minMajor, minMinor] = effect.getMinShellVersion();
if (utils.shellVersionIsAtLeast(minMajor, minMinor)) {
this.bindSwitch(`${effect.getNick()}-enable-effect`);
effect.bindPreferences(this);
}
});
// Update the label in the profile-select button.
this._updateProfileButton();
}
// This updates the label of the profile-selection button according to the currently
// active profile. It's called whenever the active profile is changed or whenever a
// configuration option of the profile is changed.
_updateProfileButton() {
this._builder.get_object('choose-profile-button').label =
this._profileManager.getProfileName(this.getProfileSettings());
}
// This updates the list of available profiles in the dropdown of the profile-selection
// button. It's called whenever one of the configuration option of the currently active
// profile is changed, or whenever a profile is added / removed.
_updateProfileMenu() {
// First, clear the menu section.
const profileSection = this._builder.get_object('profile-section');
profileSection.remove_all();
// Then add an entry for each available profile.
this._profileManager.getProfiles().forEach(profile => {
const label = this._profileManager.getProfileName(profile.settings);
const item = Gio.MenuItem.new(label, 'prefs.active-profile');
item.set_action_and_target_value('prefs.active-profile',
GLib.Variant.new_string(profile.path));
profileSection.append_item(item);
});
}
// This wrapper connects a given callback to a profile settings key. Use this instead of
// the direct connect() call on the profile settings to make sure that the callback is
// disconnected when the active profile changes.
_connectProfileSetting(key, callback) {
this._profileConnections.push(this.getProfileSettings().connect(key, callback));
}
// This is called whenever the currently edited effect profile changes. It unbinds all
// callbacks bound with the above method before.
_disconnectProfileSettings() {
this._profileConnections.forEach(c => this.getProfileSettings().disconnect(c));
this._profileConnections = [];
}
// Searches for a reset button for the given settings key and make it reset the settings
// key when clicked.
_bindResetButton(settingsKey) {
const resetButton = this._builder.get_object('reset-' + settingsKey);
if (resetButton && !resetButton._isConnected) {
resetButton.connect('clicked', () => {
this.getProfileSettings().reset(settingsKey);
});
resetButton._isConnected = true;
}
}
// Connects any widget's property to a settings key. The widget must have the same ID as
// the settings key. It also binds the corresponding reset button.
_bind(settingsKey, property) {
const object = this._builder.get_object(settingsKey);
if (object) {
// Unbind any previous binding (potentially to a previously edited profile).
Gio.Settings.unbind(object, property);
this.getProfileSettings().bind(settingsKey, object, property,
Gio.SettingsBindFlags.DEFAULT);
}
this._bindResetButton(settingsKey);
}
// Reads the contents of a JSON file contained in the global resources archive. The data
// is parsed and returned as a JavaScript object / array.
_getJSONResource(path) {
return JSON.parse(utils.getStringResource(path));
}
// This traverses the widget tree below the given parent recursively and returns the
// first widget of the given type.
_findWidgetByType(parent, type) {
for (const child of [...parent]) {
if (child instanceof type) return child;
const match = this._findWidgetByType(child, type);
if (match) return match;
}
return null;
}
// Opens a modal window using the given effect.
_previewEffect(effect) {
// Set the to-be-previewed effect.
this._settings.set_string('preview-effect', effect.getNick());
// Make sure that the window.show() firther below "sees" this change.
Gio.Settings.sync();
// Create the preview-window.
const window = new Gtk.Window({
// Translators: %s will be replaced by the effect's name.
title: _('Preview for %s').replace('%s', effect.getLabel()),
default_width: 800,
default_height: 450,
modal: true,
transient_for: utils.isGTK4() ? this._widget.get_root() :
this._widget.get_toplevel()
});
// Add a header bar to the window.
if (utils.isGTK4()) {
const header = Gtk.HeaderBar.new();
window.set_titlebar(header);
}
const box = new Gtk.Box({
orientation: Gtk.Orientation.VERTICAL,
valign: Gtk.Align.CENTER,
spacing: 10,
margin_start: 50,
margin_end: 50
});
const label = Gtk.Label.new(_('Close this Window to Preview the Effect!'));
label.wrap = true;
label.justify = Gtk.Justification.CENTER;
label.get_style_context().add_class('large-title');
const image = new Gtk.Image({
icon_name: 'burn-my-windows-symbolic',
pixel_size: 128,
});
this.gtkBoxAppend(box, image);
this.gtkBoxAppend(box, label);
if (utils.isGTK4()) {
window.set_child(box);
window.show();
} else {
window.add(box);
window.show_all();
}
}
}
// This is used for setting up the translations.
function init() {
ExtensionUtils.initTranslations();
}
// This function is called when the preferences window is created to build and return a
// Gtk widget. We create a new instance of the PreferencesDialog class each time this
// method is called. This way we can actually open multiple settings windows and interact
// with all of them properly.
function buildPrefsWidget() {
var dialog = new PreferencesDialog();
return dialog.getWidget();
}
function fillPreferencesWindow(window) {
window.set_default_size(700, 700);
var dialog = new PreferencesDialog();
window.add(dialog.getWidget());
}