1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 2010 Carlos Garnacho <carlosg@gnome.org>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 #include "gtkmodifierstyle.h"
24 typedef struct GtkModifierStylePrivate GtkModifierStylePrivate;
25 typedef struct StylePropertyValue StylePropertyValue;
27 struct GtkModifierStylePrivate
29 GtkStyleProperties *style;
30 GHashTable *color_properties;
38 static guint signals [LAST_SIGNAL] = { 0 };
40 static void gtk_modifier_style_provider_init (GtkStyleProviderIface *iface);
41 static void gtk_modifier_style_finalize (GObject *object);
43 G_DEFINE_TYPE_EXTENDED (GtkModifierStyle, gtk_modifier_style, G_TYPE_OBJECT, 0,
44 G_IMPLEMENT_INTERFACE (GTK_TYPE_STYLE_PROVIDER,
45 gtk_modifier_style_provider_init));
48 gtk_modifier_style_class_init (GtkModifierStyleClass *klass)
50 GObjectClass *object_class;
52 object_class = G_OBJECT_CLASS (klass);
54 object_class->finalize = gtk_modifier_style_finalize;
57 g_signal_new (I_("changed"),
58 G_TYPE_FROM_CLASS (object_class),
61 g_cclosure_marshal_VOID__VOID,
64 g_type_class_add_private (object_class, sizeof (GtkModifierStylePrivate));
68 gtk_modifier_style_init (GtkModifierStyle *modifier_style)
70 GtkModifierStylePrivate *priv;
72 priv = modifier_style->priv = G_TYPE_INSTANCE_GET_PRIVATE (modifier_style,
73 GTK_TYPE_MODIFIER_STYLE,
74 GtkModifierStylePrivate);
76 priv->color_properties = g_hash_table_new_full (g_str_hash,
78 (GDestroyNotify) g_free,
79 (GDestroyNotify) gdk_rgba_free);
80 priv->style = gtk_style_properties_new ();
83 static GtkStyleProperties *
84 gtk_modifier_style_get_style (GtkStyleProvider *provider,
87 GtkModifierStylePrivate *priv;
89 priv = GTK_MODIFIER_STYLE (provider)->priv;
90 return g_object_ref (priv->style);
94 gtk_modifier_style_get_style_property (GtkStyleProvider *provider,
100 GtkModifierStylePrivate *priv;
104 /* Reject non-color types for now */
105 if (pspec->value_type != GDK_TYPE_COLOR)
108 priv = GTK_MODIFIER_STYLE (provider)->priv;
109 str = g_strdup_printf ("-%s-%s",
110 g_type_name (pspec->owner_type),
113 color = g_hash_table_lookup (priv->color_properties, str);
119 g_value_set_boxed (value, color);
124 gtk_modifier_style_provider_init (GtkStyleProviderIface *iface)
126 iface->get_style = gtk_modifier_style_get_style;
127 iface->get_style_property = gtk_modifier_style_get_style_property;
131 gtk_modifier_style_finalize (GObject *object)
133 GtkModifierStylePrivate *priv;
135 priv = GTK_MODIFIER_STYLE (object)->priv;
136 g_hash_table_destroy (priv->color_properties);
137 g_object_unref (priv->style);
139 G_OBJECT_CLASS (gtk_modifier_style_parent_class)->finalize (object);
143 gtk_modifier_style_new (void)
145 return g_object_new (GTK_TYPE_MODIFIER_STYLE, NULL);
149 modifier_style_set_color (GtkModifierStyle *style,
152 const GdkRGBA *color)
154 GtkModifierStylePrivate *priv;
157 g_return_if_fail (GTK_IS_MODIFIER_STYLE (style));
160 gtk_style_properties_get (priv->style, state,
164 if ((!color && !old_color) ||
165 (color && old_color && gdk_rgba_equal (color, old_color)))
167 gdk_rgba_free (old_color);
172 gtk_style_properties_set (priv->style, state,
176 gtk_style_properties_unset_property (priv->style, prop, state);
178 g_signal_emit (style, signals[CHANGED], 0);
179 gdk_rgba_free (old_color);
183 gtk_modifier_style_set_background_color (GtkModifierStyle *style,
185 const GdkRGBA *color)
187 g_return_if_fail (GTK_IS_MODIFIER_STYLE (style));
189 modifier_style_set_color (style, "background-color", state, color);
193 gtk_modifier_style_set_color (GtkModifierStyle *style,
195 const GdkRGBA *color)
197 g_return_if_fail (GTK_IS_MODIFIER_STYLE (style));
199 modifier_style_set_color (style, "color", state, color);
203 gtk_modifier_style_set_font (GtkModifierStyle *style,
204 const PangoFontDescription *font_desc)
206 GtkModifierStylePrivate *priv;
207 PangoFontDescription *old_font;
209 g_return_if_fail (GTK_IS_MODIFIER_STYLE (style));
212 gtk_style_properties_get (priv->style, 0,
216 if ((!old_font && !font_desc) ||
217 (old_font && font_desc &&
218 pango_font_description_equal (old_font, font_desc)))
222 gtk_style_properties_set (priv->style, 0,
226 gtk_style_properties_unset_property (priv->style, "font", 0);
228 g_signal_emit (style, signals[CHANGED], 0);
232 gtk_modifier_style_map_color (GtkModifierStyle *style,
234 const GdkRGBA *color)
236 GtkModifierStylePrivate *priv;
237 GtkSymbolicColor *symbolic_color = NULL;
239 g_return_if_fail (GTK_IS_MODIFIER_STYLE (style));
240 g_return_if_fail (name != NULL);
245 symbolic_color = gtk_symbolic_color_new_literal (color);
247 gtk_style_properties_map_color (priv->style,
248 name, symbolic_color);
250 g_signal_emit (style, signals[CHANGED], 0);
254 gtk_modifier_style_set_color_property (GtkModifierStyle *style,
256 const gchar *prop_name,
257 const GdkColor *color)
259 GtkModifierStylePrivate *priv;
260 const GdkColor *old_color;
263 g_return_if_fail (GTK_IS_MODIFIER_STYLE (style));
264 g_return_if_fail (g_type_is_a (widget_type, GTK_TYPE_WIDGET));
265 g_return_if_fail (prop_name != NULL);
268 str = g_strdup_printf ("-%s-%s", g_type_name (widget_type), prop_name);
270 old_color = g_hash_table_lookup (priv->color_properties, str);
272 if ((!color && !old_color) ||
273 (color && old_color && gdk_color_equal (color, old_color)))
280 g_hash_table_insert (priv->color_properties, str,
281 gdk_color_copy (color));
283 g_hash_table_remove (priv->color_properties, str);
285 g_signal_emit (style, signals[CHANGED], 0);