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+/*
+Copyright (c) 2011 by Simon Schneegans
+
+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 3 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/>.
+*/
+
+namespace GnomePie {
+
+/////////////////////////////////////////////////////////////////////////
+/// A static class which stores all Pies. It can be used to add, delete
+/// and open Pies.
+/////////////////////////////////////////////////////////////////////////
+
+public class PieManager : GLib.Object {
+
+ /////////////////////////////////////////////////////////////////////
+ /// A map of all Pies. It contains both, dynamic and persistent Pies.
+ /// They are associated to their ID's.
+ /////////////////////////////////////////////////////////////////////
+
+ public static Gee.HashMap<string, Pie?> all_pies { get; private set; }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Stores all global hotkeys.
+ /////////////////////////////////////////////////////////////////////
+
+ private static BindingManager bindings;
+
+ /////////////////////////////////////////////////////////////////////
+ /// True, if any pie has the current focus. If it is closing this
+ /// will be false already.
+ /////////////////////////////////////////////////////////////////////
+
+ private static bool a_pie_is_opened = false;
+
+ /////////////////////////////////////////////////////////////////////
+ /// Initializes all Pies. They are loaded from the pies.conf file.
+ /////////////////////////////////////////////////////////////////////
+
+ public static void init() {
+ all_pies = new Gee.HashMap<string, Pie?>();
+ bindings = new BindingManager();
+
+ // load all Pies from th pies.conf file
+ Pies.load();
+
+ // open the according pie if it's hotkey is pressed
+ bindings.on_press.connect((id) => {
+ open_pie(id);
+ });
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Opens the Pie with the given ID, if it exists.
+ /////////////////////////////////////////////////////////////////////
+
+ public static void open_pie(string id) {
+ if (!a_pie_is_opened) {
+ Pie? pie = all_pies[id];
+
+ if (pie != null) {
+ a_pie_is_opened = true;
+
+ var window = new PieWindow();
+ window.load_pie(pie);
+ window.open();
+
+ window.on_closing.connect(() => {
+ a_pie_is_opened = false;
+ });
+ } else {
+ warning("Failed to open pie with ID \"" + id + "\": ID does not exist!");
+ }
+ }
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Returns the hotkey which the Pie with the given ID is bound to.
+ /////////////////////////////////////////////////////////////////////
+
+ public static string get_accelerator_of(string id) {
+ return bindings.get_accelerator_of(id);
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Returns a human-readable version of the hotkey which the Pie
+ /// with the given ID is bound to.
+ /////////////////////////////////////////////////////////////////////
+
+ public static string get_accelerator_label_of(string id) {
+ return bindings.get_accelerator_label_of(id);
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Returns the name of the Pie with the given ID.
+ /////////////////////////////////////////////////////////////////////
+
+ public static string get_name_of(string id) {
+ Pie? pie = all_pies[id];
+ if (pie == null) return "";
+ else return pie.name;
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Creates a new Pie which is displayed in the configuration dialog
+ /// and gets saved.
+ /////////////////////////////////////////////////////////////////////
+
+ public static Pie create_persistent_pie(string name, string icon_name, string hotkey, string? desired_id = null) {
+ Pie pie = create_pie(name, icon_name, 100, 999, desired_id);
+
+ if (hotkey != "") bindings.bind(hotkey, pie.id);
+
+ create_launcher(pie.id);
+
+ return pie;
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Creates a new Pie which is not displayed in the configuration
+ /// dialog and is not saved.
+ /////////////////////////////////////////////////////////////////////
+
+ public static Pie create_dynamic_pie(string name, string icon_name, string? desired_id = null) {
+ return create_pie(name, icon_name, 1000, 9999, desired_id);
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Adds a new Pie. Can't be accesd from outer scope. Use
+ /// create_persistent_pie or create_dynamic_pie instead.
+ /////////////////////////////////////////////////////////////////////
+
+ private static Pie create_pie(string name, string icon_name, int min_id, int max_id, string? desired_id = null) {
+ var random = new GLib.Rand();
+
+ string final_id;
+
+ if (desired_id == null)
+ final_id = random.int_range(min_id, max_id).to_string();
+ else {
+ final_id = desired_id;
+ final_id.canon("0123456789", '_');
+ final_id = final_id.replace("_", "");
+
+ int id = int.parse(final_id);
+
+ if (id < min_id || id > max_id) {
+ final_id = random.int_range(min_id, max_id).to_string();
+ warning("The ID for pie \"" + name + "\" should be in range %u - %u! Using \"" + final_id + "\" instead of \"" + desired_id + "\"...", min_id, max_id);
+ }
+ }
+
+ if (all_pies.has_key(final_id)) {
+ var tmp = final_id;
+ var id_number = int.parse(final_id) + 1;
+ if (id_number == max_id+1) id_number = min_id;
+ final_id = id_number.to_string();
+ warning("Trying to add pie \"" + name + "\": ID \"" + tmp + "\" already exists! Using \"" + final_id + "\" instead...");
+ return create_pie(name, icon_name, min_id, max_id, final_id);
+ }
+
+ Pie pie = new Pie(final_id, name, icon_name);
+ all_pies.set(final_id, pie);
+
+ return pie;
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Removes the Pie with the given ID if it exists. Additionally it
+ /// unbinds it's global hotkey.
+ /////////////////////////////////////////////////////////////////////
+
+ public static void remove_pie(string id) {
+ if (all_pies.has_key(id)) {
+ all_pies[id].on_remove();
+ all_pies.unset(id);
+ bindings.unbind(id);
+
+ if (id.length == 3)
+ remove_launcher(id);
+ }
+ else {
+ warning("Failed to remove pie with ID \"" + id + "\": ID does not exist!");
+ }
+ }
+
+ private static void create_launcher(string id) {
+ if (all_pies.has_key(id)) {
+ Pie? pie = all_pies[id];
+
+ string launcher_entry =
+ "#!/usr/bin/env xdg-open\n" +
+ "[Desktop Entry]\n" +
+ "Name=%s\n".printf(pie.name) +
+ "Exec=gnome-pie -o %s\n".printf(pie.id) +
+ "Encoding=UTF-8\n" +
+ "Type=Application\n" +
+ "Icon=%s\n".printf(pie.icon);
+
+ // create the launcher file
+ string launcher = Paths.launchers + "/%s.desktop".printf(pie.id);
+
+ try {
+ FileUtils.set_contents(launcher, launcher_entry);
+ FileUtils.chmod(launcher, 0755);
+ } catch (Error e) {
+ warning(e.message);
+ }
+ }
+ }
+
+ private static void remove_launcher(string id) {
+ string launcher = Paths.launchers + "/%s.desktop".printf(id);
+ if (FileUtils.test(launcher, FileTest.EXISTS)) {
+ FileUtils.remove(launcher);
+ }
+ }
+}
+
+}
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