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Diffstat (limited to 'src/utilities/config.vala')
| -rw-r--r-- | src/utilities/config.vala | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/src/utilities/config.vala b/src/utilities/config.vala new file mode 100644 index 0000000..c5dedd5 --- /dev/null +++ b/src/utilities/config.vala @@ -0,0 +1,202 @@ +/* +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 singleton class for storing global settings. These settings can +/// be loaded from and saved to an XML file. +///////////////////////////////////////////////////////////////////////// + +public class Config : GLib.Object { + + ///////////////////////////////////////////////////////////////////// + /// The singleton instance of this class. + ///////////////////////////////////////////////////////////////////// + + private static Config _instance = null; + + ///////////////////////////////////////////////////////////////////// + /// Returns the singleton instance. + ///////////////////////////////////////////////////////////////////// + + public static Config global { + get { + if (_instance == null) { + _instance = new Config(); + _instance.load(); + } + return _instance; + } + private set { + _instance = value; + } + } + + ///////////////////////////////////////////////////////////////////// + /// All settings variables. + ///////////////////////////////////////////////////////////////////// + + public Theme theme { get; set; } + public double refresh_rate { get; set; default = 60.0; } + public double global_scale { get; set; default = 1.0; } + public bool show_indicator { get; set; default = true; } + public bool open_at_mouse { get; set; default = true; } + public bool turbo_mode { get; set; default = false; } + public bool auto_start { get; set; default = false; } + public Gee.ArrayList<Theme?> themes { get; private set; } + + ///////////////////////////////////////////////////////////////////// + /// Saves all above variables to a file. + ///////////////////////////////////////////////////////////////////// + + public void save() { + var writer = new Xml.TextWriter.filename(Paths.settings); + writer.start_document("1.0"); + writer.start_element("settings"); + writer.write_attribute("theme", theme.name); + writer.write_attribute("refresh_rate", refresh_rate.to_string()); + writer.write_attribute("global_scale", global_scale.to_string()); + writer.write_attribute("show_indicator", show_indicator ? "true" : "false"); + writer.write_attribute("open_at_mouse", open_at_mouse ? "true" : "false"); + writer.write_attribute("turbo_mode", turbo_mode ? "true" : "false"); + writer.end_element(); + writer.end_document(); + } + + ///////////////////////////////////////////////////////////////////// + /// Loads all settings variables from a file. + ///////////////////////////////////////////////////////////////////// + + private void load() { + + // check for auto_start filename + this.auto_start = FileUtils.test(Paths.autostart, FileTest.EXISTS); + + // parse the settings file + Xml.Parser.init(); + Xml.Doc* settingsXML = Xml.Parser.parse_file(Paths.settings); + bool error_occrured = false; + string theme_name = ""; + + if (settingsXML != null) { + + Xml.Node* root = settingsXML->get_root_element(); + if (root != null) { + + for (Xml.Attr* attribute = root->properties; attribute != null; attribute = attribute->next) { + string attr_name = attribute->name.down(); + string attr_content = attribute->children->content; + + switch (attr_name) { + case "theme": + theme_name = attr_content; + break; + case "refresh_rate": + refresh_rate = double.parse(attr_content); + break; + case "global_scale": + global_scale = double.parse(attr_content); + global_scale.clamp(0.5, 2.0); + break; + case "show_indicator": + show_indicator = bool.parse(attr_content); + break; + case "open_at_mouse": + open_at_mouse = bool.parse(attr_content); + break; + case "turbo_mode": + turbo_mode = bool.parse(attr_content); + break; + default: + warning("Invalid setting \"" + attr_name + "\" in gnome-pie.conf!"); + break; + } + } + + Xml.Parser.cleanup(); + + } else { + warning("Error loading settings: gnome-pie.conf is empty! Using defaults..."); + error_occrured = true; + } + + delete settingsXML; + + } else { + warning("Error loading settings: gnome-pie.conf not found! Using defaults..."); + error_occrured = true; + } + + load_themes(theme_name); + + if (error_occrured) save(); + } + + ///////////////////////////////////////////////////////////////////// + /// Registers all themes in the user's and in the global + /// theme directory. + ///////////////////////////////////////////////////////////////////// + + public void load_themes(string current) { + themes = new Gee.ArrayList<Theme?>(); + try { + string name; + + // load global themes + var d = Dir.open(Paths.global_themes); + while ((name = d.read_name()) != null) { + var theme = new Theme(Paths.global_themes + "/" + name); + if (theme != null) + themes.add(theme); + } + + // load local themes + d = Dir.open(Paths.local_themes); + while ((name = d.read_name()) != null) { + var theme = new Theme(Paths.local_themes + "/" + name); + if (theme != null) + themes.add(theme); + } + + } catch (Error e) { + warning (e.message); + } + + if (themes.size > 0) { + if (current == "") { + current = "Unity"; + warning("No theme specified! Using default..."); + } + foreach (var t in themes) { + if (t.name == current) { + theme = t; + theme.load_images(); + break; + } + } + if (theme == null) { + theme = themes[0]; + warning("Theme \"" + current + "\" not found! Using fallback..."); + } + } + else error("No theme found!"); + } + +} + +} |