100% re-write of the keyboard indicator in plain C.

1 files changed, 0 insertions, 487 deletions

diff --git a/src/source.vala b/src/source.vala
deleted file mode 100644
index b7d7a971..00000000
--- a/src/source.vala
+++ /dev/null
@@ -1,487 +0,0 @@
-/*
- * Copyright 2013 Canonical Ltd.
- *
- * 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, version 3 of the License.
- *
- * 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/>.
- *
- * Authors: William Hua <william.hua@canonical.com>
- */
-
-public class Indicator.Keyboard.Source : Object {
-
-	private static Gnome.XkbInfo? xkb_info;
-	private static IBus.Bus? ibus_bus;
-	private static Fcitx.InputMethod? fcitx_proxy;
-
-	private string? xkb;
-	private string? ibus;
-	private string? fcitx;
-
-	private string? _name;
-	private string? _short_name;
-	private string? _layout;
-	private string? _variant;
-	private Icon? _icon;
-	private uint _subscript;
-	private bool _show_subscript;
-	private bool _use_gtk;
-
-	public string? name {
-		get { if (_name == null) { _name = _get_name (); } return _name; }
-	}
-
-	public string? short_name {
-		get { if (_short_name == null) { _short_name = _get_short_name (); } return _short_name; }
-	}
-
-	public string? layout {
-		get { if (_layout == null) { _layout = _get_layout (); } return _layout; }
-	}
-
-	public string? variant {
-		get { if (_variant == null) { _variant = _get_variant (); } return _variant; }
-	}
-
-	public Icon? icon {
-		get { if (_icon == null) { _icon = _get_icon (); } return _icon; }
-		set { _icon = value; }
-	}
-
-	public uint subscript {
-		get { return _subscript; }
-		set { _subscript = value; icon = null; }
-	}
-
-	public bool show_subscript {
-		get { return _show_subscript; }
-		set { _show_subscript = value; icon = null; }
-	}
-
-	public bool use_gtk {
-		get { return _use_gtk; }
-		construct set { _use_gtk = value; icon = null; }
-	}
-
-	public bool is_xkb {
-		get { return xkb != null; }
-	}
-
-	public bool is_ibus {
-		get { return ibus != null; }
-	}
-
-	public bool is_fcitx {
-		get { return fcitx != null; }
-	}
-
-	public Source (Variant variant, bool use_gtk = false) {
-		Object (use_gtk: use_gtk);
-
-		if (variant.is_of_type (new VariantType ("(ss)"))) {
-			unowned string type;
-			unowned string name;
-
-			variant.get ("(&s&s)", out type, out name);
-
-			if (type == "xkb") {
-				xkb = name;
-			} else if (type == "ibus") {
-				ibus = name;
-			} else if (type == "fcitx") {
-				fcitx = name;
-			}
-		} else if (variant.is_of_type (new VariantType ("a{ss}"))) {
-			foreach (var pair in variant) {
-				unowned string key;
-				unowned string value;
-
-				((!) pair).get ("{&s&s}", out key, out value);
-
-				if (key == "xkb") {
-					xkb = value;
-				} else if (key == "ibus") {
-					ibus = value;
-				} else if (key == "fcitx") {
-					fcitx = value;
-				}
-			}
-		}
-	}
-
-	private static Gnome.XkbInfo get_xkb_info () {
-		if (xkb_info == null) {
-			xkb_info = new Gnome.XkbInfo ();
-		}
-
-		return (!) xkb_info;
-	}
-
-	private static IBus.Bus get_ibus_bus () {
-		if (ibus_bus == null) {
-			IBus.init ();
-			ibus_bus = new IBus.Bus ();
-		}
-
-		return (!) ibus_bus;
-	}
-
-	private static Fcitx.InputMethod get_fcitx_proxy () throws Error {
-		if (fcitx_proxy == null) {
-			fcitx_proxy = new Fcitx.InputMethod (BusType.SESSION, DBusProxyFlags.NONE, 0);
-		}
-
-		return (!) fcitx_proxy;
-	}
-
-	private IBus.EngineDesc? get_engine () {
-		IBus.EngineDesc? engine = null;
-
-		if (ibus != null) {
-			var names = new string[2];
-			names[0] = (!) ibus;
-
-			var engines = get_ibus_bus ().get_engines_by_names (names);
-
-			if (engines.length > 0) {
-				engine = engines[0];
-			}
-		}
-
-		return engine;
-	}
-
-	protected virtual string? _get_name () {
-		string? name = null;
-
-		if (xkb != null) {
-			string? display_name = null;
-			string? layout = null;
-
-			get_xkb_info ().get_layout_info ((!) xkb, out display_name, null, out layout, null);
-
-			var has_display_name = display_name != null && ((!) display_name).get_char () != '\0';
-			var has_layout = layout != null && ((!) layout).get_char () != '\0';
-
-			if (has_display_name) {
-				name = display_name;
-			} else if (has_layout) {
-				string? language = Xkl.get_language_name ((!) layout);
-				string? country = Xkl.get_country_name ((!) layout);
-				var has_language = language != null && ((!) language).get_char () != '\0';
-				var has_country = country != null && ((!) country).get_char () != '\0';
-
-				if (has_language && has_country) {
-					name = @"$((!) language) ($((!) country))";
-				} else if (has_language) {
-					name = language;
-				} else if (has_country) {
-					name = country;
-				}
-			}
-
-			if (name == null || ((!) name).get_char () == '\0') {
-				name = xkb;
-			}
-		} else if (ibus != null) {
-			var engine = get_engine ();
-
-			if (engine != null) {
-				string? language = ((!) engine).get_language ();
-				string? display_name = ((!) engine).get_longname ();
-				var has_language = language != null && ((!) language).get_char () != '\0';
-				var has_display_name = display_name != null && ((!) display_name).get_char () != '\0';
-
-				if (has_language) {
-					language = Xkl.get_language_name ((!) language);
-					has_language = language != null && ((!) language).get_char () != '\0';
-				}
-
-				if (has_language && has_display_name) {
-					name = @"$((!) language) ($((!) display_name))";
-				} else if (has_language) {
-					name = language;
-				} else if (has_display_name) {
-					name = display_name;
-				}
-			}
-
-			if (name == null || ((!) name).get_char () == '\0') {
-				name = ibus;
-			}
-		} else if (fcitx != null) {
-			try {
-				var input_methods = get_fcitx_proxy ().get_imlist_nofree ();
-
-				for (var i = 0; i < input_methods.length; i++) {
-					if (input_methods.get (i).unique_name == (!) fcitx) {
-						name = input_methods.get (i).name;
-						break;
-					}
-				}
-			} catch (Error error) {
-				warning ("error: %s", error.message);
-			}
-
-			if (name == null || ((!) name).get_char () == '\0') {
-				name = fcitx;
-			}
-		}
-
-		return name;
-	}
-
-	protected virtual string? _get_short_name () {
-		string? short_name = null;
-
-		if (xkb != null) {
-			get_xkb_info ().get_layout_info ((!) xkb, null, out short_name, null, null);
-
-			if (short_name == null || ((!) short_name).get_char () == '\0') {
-				short_name = xkb;
-			}
-		} else if (ibus != null) {
-			var engine = get_engine ();
-
-			if (engine != null) {
-				short_name = ((!) engine).get_name ();
-			}
-
-			if (short_name == null || ((!) short_name).get_char () == '\0') {
-				short_name = ibus;
-			}
-		} else if (fcitx != null) {
-			try {
-				var input_methods = get_fcitx_proxy ().get_imlist_nofree ();
-
-				for (var i = 0; i < input_methods.length; i++) {
-					if (input_methods.get (i).unique_name == (!) fcitx) {
-						short_name = input_methods.get (i).langcode;
-						break;
-					}
-				}
-			} catch (Error error) {
-				warning ("error: %s", error.message);
-			}
-
-			if (short_name == null || ((!) short_name).get_char () == '\0') {
-				short_name = fcitx;
-			}
-		}
-
-		return abbreviate (short_name);
-	}
-
-	protected virtual string? _get_layout () {
-		string? layout = null;
-
-		if (xkb != null) {
-			get_xkb_info ().get_layout_info ((!) xkb, null, null, out layout, null);
-		}
-
-		var has_layout = layout != null && ((!) layout).get_char () != '\0';
-
-		if (!has_layout) {
-			var engine = get_engine ();
-
-			if (engine != null) {
-				layout = ((!) engine).get_layout ();
-			}
-		}
-
-		if (layout == null || ((!) layout).get_char () == '\0') {
-			layout = xkb;
-		}
-
-		return layout;
-	}
-
-	protected virtual string? _get_variant () {
-		string? variant = null;
-
-		if (xkb != null) {
-			get_xkb_info ().get_layout_info ((!) xkb, null, null, null, out variant);
-		}
-
-		var has_variant = variant != null && ((!) variant).get_char () != '\0';
-
-		if (!has_variant) {
-			var engine = get_engine ();
-
-			if (engine != null) {
-				variant = ((!) engine).get_layout_variant ();
-			}
-		}
-
-		if (variant == null || ((!) variant).get_char () == '\0') {
-			variant = null;
-		}
-
-		return variant;
-	}
-
-	private Gtk.StyleContext? get_style_context () {
-		Gtk.StyleContext? context = null;
-
-		if (_use_gtk) {
-			Gdk.Screen? screen = Gdk.Screen.get_default ();
-
-			if (screen != null) {
-				var style_context = new Gtk.StyleContext ();
-				style_context.set_screen ((!) screen);
-
-				var path = new Gtk.WidgetPath ();
-				path.append_type (typeof (Gtk.MenuItem));
-				style_context.set_path (path);
-
-				context = style_context;
-			}
-		}
-
-		return context;
-	}
-
-	protected virtual Icon? create_icon () {
-		Icon? icon = null;
-
-		var style = get_style_context ();
-
-		if (style != null) {
-			const int W = 22;
-			const int H = 22;
-			const int w = 20;
-			const int h = 20;
-			const double R = 2.0;
-			const double TEXT_SIZE = 12.0;
-			const double SUBSCRIPT_SIZE = 8.0;
-
-			Pango.FontDescription description;
-			var colour = ((!) style).get_color (Gtk.StateFlags.NORMAL);
-			colour = { 0.5, 0.5, 0.5, 1.0 };
-			((!) style).get (Gtk.StateFlags.NORMAL, Gtk.STYLE_PROPERTY_FONT, out description);
-
-			var surface = new Cairo.ImageSurface (Cairo.Format.ARGB32, W, H);
-			var context = new Cairo.Context (surface);
-
-			context.translate (0.5 * (W - w), 0.5 * (H - h));
-
-			context.new_sub_path ();
-			context.arc (R, R, R, Math.PI, -0.5 * Math.PI);
-			context.arc (w - R, R, R, -0.5 * Math.PI, 0);
-			context.arc (w - R, h - R, R, 0, 0.5 * Math.PI);
-			context.arc (R, h - R, R, 0.5 * Math.PI, Math.PI);
-			context.close_path ();
-
-			context.set_source_rgba (colour.red, colour.green, colour.blue, colour.alpha);
-			context.fill ();
-			context.set_operator (Cairo.Operator.CLEAR);
-
-			if (short_name != null) {
-				var text_layout = Pango.cairo_create_layout (context);
-				text_layout.set_alignment (Pango.Alignment.CENTER);
-				description.set_absolute_size (Pango.units_from_double (TEXT_SIZE));
-				text_layout.set_font_description (description);
-				text_layout.set_text ((!) short_name, -1);
-				Pango.cairo_update_layout (context, text_layout);
-				int text_width;
-				int text_height;
-				text_layout.get_pixel_size (out text_width, out text_height);
-
-				if (_show_subscript) {
-					var subscript_layout = Pango.cairo_create_layout (context);
-					subscript_layout.set_alignment (Pango.Alignment.CENTER);
-					description.set_absolute_size (Pango.units_from_double (SUBSCRIPT_SIZE));
-					subscript_layout.set_font_description (description);
-					subscript_layout.set_text (@"$_subscript", -1);
-					Pango.cairo_update_layout (context, subscript_layout);
-					int subscript_width;
-					int subscript_height;
-					subscript_layout.get_pixel_size (out subscript_width, out subscript_height);
-
-					context.save ();
-					context.translate ((w - (text_width + subscript_width)) / 2, (h - text_height) / 2);
-					Pango.cairo_layout_path (context, text_layout);
-					context.fill ();
-					context.restore ();
-
-					context.save ();
-					context.translate ((w + (text_width - subscript_width)) / 2, (h + text_height) / 2 - subscript_height);
-					Pango.cairo_layout_path (context, subscript_layout);
-					context.fill ();
-					context.restore ();
-				} else {
-					context.save ();
-					context.translate ((w - text_width) / 2, (h - text_height) / 2);
-					Pango.cairo_layout_path (context, text_layout);
-					context.fill ();
-					context.restore ();
-				}
-			}
-
-			var buffer = new ByteArray ();
-
-			surface.write_to_png_stream ((data) => {
-				buffer.append (data);
-				return Cairo.Status.SUCCESS;
-			});
-
-			icon = new BytesIcon (ByteArray.free_to_bytes ((owned) buffer));
-		}
-
-		return icon;
-	}
-
-	private Icon? _get_icon () {
-		Icon? icon = null;
-
-		var engine = get_engine ();
-
-		if (engine != null) {
-			string? icon_name = ((!) engine).get_icon ();
-			var has_icon_name = icon_name != null && ((!) icon_name).get_char () != '\0';
-
-			if (has_icon_name) {
-				try {
-					icon = Icon.new_for_string ((!) icon_name);
-				} catch (Error error) {
-					warning ("error: %s", error.message);
-				}
-			}
-		}
-
-		if (icon == null && short_name != null) {
-			string icon_name;
-
-			if (_show_subscript) {
-				icon_name = @"indicator-keyboard-$((!) short_name)-$_subscript";
-			} else {
-				icon_name = @"indicator-keyboard-$((!) short_name)";
-			}
-
-			if (_use_gtk) {
-				var icon_theme = Gtk.IconTheme.get_default ();
-				Gtk.IconInfo? icon_info = icon_theme.lookup_icon (icon_name, 22, 0);
-
-				if (icon_info != null) {
-					icon = new ThemedIcon (icon_name);
-				}
-			} else {
-				icon = new ThemedIcon (icon_name);
-			}
-		}
-
-		if (icon == null) {
-			icon = create_icon ();
-		}
-
-		return icon;
-	}
-}