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.
23 #include <gobject/gvaluecollector.h>
25 #include "gtkstyleprovider.h"
26 #include "gtkstyleset.h"
27 #include "gtkprivate.h"
32 typedef struct GtkStyleSetPrivate GtkStyleSetPrivate;
33 typedef struct PropertyData PropertyData;
34 typedef struct PropertyNode PropertyNode;
38 GQuark property_quark;
45 GValue values[GTK_STATE_LAST];
48 struct GtkStyleSetPrivate
50 GHashTable *properties;
53 static GArray *properties = NULL;
55 #define GTK_STYLE_SET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GTK_TYPE_STYLE_SET, GtkStyleSetPrivate))
57 static void gtk_style_set_provider_init (GtkStyleProviderIface *iface);
58 static void gtk_style_set_finalize (GObject *object);
61 G_DEFINE_TYPE_EXTENDED (GtkStyleSet, gtk_style_set, G_TYPE_OBJECT, 0,
62 G_IMPLEMENT_INTERFACE (GTK_TYPE_STYLE_PROVIDER,
63 gtk_style_set_provider_init));
66 gtk_style_set_class_init (GtkStyleSetClass *klass)
68 GObjectClass *object_class = G_OBJECT_CLASS (klass);
69 GdkColor black = { 0, 0, 0, 0 };
70 GdkColor white = { 0, 65535, 65535, 65535 };
71 PangoFontDescription *font_desc;
73 object_class->finalize = gtk_style_set_finalize;
75 /* Initialize default property set */
76 gtk_style_set_register_property_color ("foreground-color", &white);
77 gtk_style_set_register_property_color ("background-color", &black);
78 gtk_style_set_register_property_color ("text-color", &white);
79 gtk_style_set_register_property_color ("base-color", &white);
81 font_desc = pango_font_description_from_string ("Sans 10");
82 gtk_style_set_register_property_font ("font", font_desc);
83 pango_font_description_free (font_desc);
85 g_type_class_add_private (object_class, sizeof (GtkStyleSetPrivate));
89 property_data_new (void)
93 data = g_slice_new0 (PropertyData);
99 property_data_free (PropertyData *data)
103 for (i = 0; i <= GTK_STATE_INSENSITIVE; i++)
105 if (G_IS_VALUE (&data->values[i]))
106 g_value_unset (&data->values[i]);
109 g_slice_free (PropertyData, data);
113 gtk_style_set_init (GtkStyleSet *set)
115 GtkStyleSetPrivate *priv;
117 priv = GTK_STYLE_SET_GET_PRIVATE (set);
118 priv->properties = g_hash_table_new_full (NULL, NULL, NULL,
119 (GDestroyNotify) property_data_free);
123 gtk_style_set_finalize (GObject *object)
125 GtkStyleSetPrivate *priv;
127 priv = GTK_STYLE_SET_GET_PRIVATE (object);
128 g_hash_table_destroy (priv->properties);
130 G_OBJECT_CLASS (gtk_style_set_parent_class)->finalize (object);
134 gtk_style_set_get_style (GtkStyleProvider *provider)
136 /* Return style set itself */
137 return g_object_ref (provider);
141 gtk_style_set_provider_init (GtkStyleProviderIface *iface)
143 iface->get_style = gtk_style_set_get_style;
147 compare_property (gconstpointer p1,
150 PropertyNode *key = (PropertyNode *) p1;
151 PropertyNode *node = (PropertyNode *) p2;
153 return (int) key->property_quark - node->property_quark;
156 static PropertyNode *
157 property_node_lookup (GQuark quark)
159 PropertyNode key = { 0 };
167 key.property_quark = quark;
169 return bsearch (&key, properties->data, properties->len,
170 sizeof (PropertyNode), compare_property);
173 /* Property registration functions */
175 gtk_style_set_register_property (const gchar *property_name,
177 GValue *default_value)
179 PropertyNode *node, new = { 0 };
183 g_return_if_fail (property_name != NULL);
184 g_return_if_fail (default_value != NULL);
185 g_return_if_fail (type == G_VALUE_TYPE (default_value));
187 if (G_UNLIKELY (!properties))
188 properties = g_array_new (FALSE, TRUE, sizeof (PropertyNode));
190 quark = g_quark_try_string (property_name);
192 if ((node = property_node_lookup (quark)) != NULL)
194 g_warning ("Property \"%s\" was already registered with type %s",
195 property_name, g_type_name (node->property_type));
199 quark = g_quark_from_string (property_name);
201 new.property_quark = quark;
202 new.property_type = type;
204 g_value_init (&new.default_value, type);
205 g_value_copy (default_value, &new.default_value);
207 for (i = 0; i < properties->len; i++)
209 node = &g_array_index (properties, PropertyNode, i);
211 if (node->property_quark > quark)
215 g_array_insert_val (properties, i, new);
219 gtk_style_set_register_property_color (const gchar *property_name,
220 GdkColor *initial_value)
222 GValue value = { 0 };
224 g_return_if_fail (property_name != NULL);
225 g_return_if_fail (initial_value != NULL);
227 g_value_init (&value, GDK_TYPE_COLOR);
228 g_value_set_boxed (&value, initial_value);
230 gtk_style_set_register_property (property_name, GDK_TYPE_COLOR, &value);
232 g_value_unset (&value);
236 gtk_style_set_register_property_font (const gchar *property_name,
237 PangoFontDescription *initial_value)
239 GValue value = { 0 };
241 g_return_if_fail (property_name != NULL);
242 g_return_if_fail (initial_value != NULL);
244 g_value_init (&value, PANGO_TYPE_FONT_DESCRIPTION);
245 g_value_set_boxed (&value, initial_value);
247 gtk_style_set_register_property (property_name, PANGO_TYPE_FONT_DESCRIPTION, &value);
249 g_value_unset (&value);
253 gtk_style_set_register_property_int (const gchar *property_name,
256 GValue value = { 0 };
258 g_return_if_fail (property_name != NULL);
260 g_value_init (&value, G_TYPE_INT);
261 g_value_set_int (&value, initial_value);
263 gtk_style_set_register_property (property_name, G_TYPE_INT, &value);
265 g_value_unset (&value);
269 gtk_style_set_register_property_uint (const gchar *property_name,
272 GValue value = { 0 };
274 g_return_if_fail (property_name != NULL);
276 g_value_init (&value, G_TYPE_UINT);
277 g_value_set_uint (&value, initial_value);
279 gtk_style_set_register_property (property_name, G_TYPE_UINT, &value);
281 g_value_unset (&value);
285 gtk_style_set_register_property_double (const gchar *property_name,
286 gdouble initial_value)
288 GValue value = { 0 };
290 g_return_if_fail (property_name != NULL);
292 g_value_init (&value, G_TYPE_DOUBLE);
293 g_value_set_double (&value, initial_value);
295 gtk_style_set_register_property (property_name, G_TYPE_DOUBLE, &value);
297 g_value_unset (&value);
300 /* GtkStyleSet methods */
303 gtk_style_set_new (void)
305 return g_object_new (GTK_TYPE_STYLE_SET, NULL);
309 gtk_style_set_set_property (GtkStyleSet *set,
310 const gchar *property,
314 GtkStyleSetPrivate *priv;
318 g_return_if_fail (GTK_IS_STYLE_SET (set));
319 g_return_if_fail (property != NULL);
320 g_return_if_fail (state < GTK_STATE_LAST);
321 g_return_if_fail (value != NULL);
323 node = property_node_lookup (g_quark_try_string (property));
327 g_warning ("Style property \"%s\" is not registered", property);
331 g_return_if_fail (node->property_type == G_VALUE_TYPE (value));
333 priv = GTK_STYLE_SET_GET_PRIVATE (set);
334 prop = g_hash_table_lookup (priv->properties,
335 GINT_TO_POINTER (node->property_quark));
339 prop = property_data_new ();
340 g_hash_table_insert (priv->properties,
341 GINT_TO_POINTER (node->property_quark),
345 if (G_IS_VALUE (&prop->values[state]))
346 g_value_reset (&prop->values[state]);
348 g_value_init (&prop->values[state], node->property_type);
350 g_value_copy (value, &prop->values[state]);
355 gtk_style_set_set_valist (GtkStyleSet *set,
359 GtkStyleSetPrivate *priv;
360 const gchar *property_name;
362 g_return_if_fail (GTK_IS_STYLE_SET (set));
363 g_return_if_fail (state < GTK_STATE_LAST);
365 priv = GTK_STYLE_SET_GET_PRIVATE (set);
366 property_name = va_arg (args, const gchar *);
368 while (property_name)
374 node = property_node_lookup (g_quark_try_string (property_name));
378 g_warning ("Style property \"%s\" is not registered", property_name);
382 prop = g_hash_table_lookup (priv->properties,
383 GINT_TO_POINTER (node->property_quark));
387 prop = property_data_new ();
388 g_hash_table_insert (priv->properties,
389 GINT_TO_POINTER (node->property_quark),
393 g_value_init (&prop->values[state], node->property_type);
394 G_VALUE_COLLECT (&prop->values[state], args, 0, &error);
398 g_warning ("Could not set style property \"%s\": %s", property_name, error);
399 g_value_unset (&prop->values[state]);
404 property_name = va_arg (args, const gchar *);
409 gtk_style_set_set (GtkStyleSet *set,
415 g_return_if_fail (GTK_IS_STYLE_SET (set));
416 g_return_if_fail (state < GTK_STATE_LAST);
418 va_start (args, state);
419 gtk_style_set_set_valist (set, state, args);
424 gtk_style_set_get_property (GtkStyleSet *set,
425 const gchar *property,
429 GtkStyleSetPrivate *priv;
433 g_return_val_if_fail (GTK_IS_STYLE_SET (set), FALSE);
434 g_return_val_if_fail (property != NULL, FALSE);
435 g_return_val_if_fail (state < GTK_STATE_LAST, FALSE);
436 g_return_val_if_fail (value != NULL, FALSE);
438 node = property_node_lookup (g_quark_try_string (property));
442 g_warning ("Style property \"%s\" is not registered", property);
446 priv = GTK_STYLE_SET_GET_PRIVATE (set);
447 prop = g_hash_table_lookup (priv->properties,
448 GINT_TO_POINTER (node->property_quark));
450 g_value_init (value, node->property_type);
453 !G_IS_VALUE (&prop->values[state]))
454 g_value_copy (&node->default_value, value);
456 g_value_copy (&prop->values[state], value);
462 gtk_style_set_get_valist (GtkStyleSet *set,
466 GtkStyleSetPrivate *priv;
467 const gchar *property_name;
469 g_return_if_fail (GTK_IS_STYLE_SET (set));
470 g_return_if_fail (state < GTK_STATE_LAST);
472 priv = GTK_STYLE_SET_GET_PRIVATE (set);
473 property_name = va_arg (args, const gchar *);
475 while (property_name)
481 node = property_node_lookup (g_quark_try_string (property_name));
485 g_warning ("Style property \"%s\" is not registered", property_name);
489 prop = g_hash_table_lookup (priv->properties,
490 GINT_TO_POINTER (node->property_quark));
493 !G_IS_VALUE (&prop->values[state]))
494 G_VALUE_LCOPY (&node->default_value, args, 0, &error);
496 G_VALUE_LCOPY (&prop->values[state], args, 0, &error);
500 g_warning ("Could not get style property \"%s\": %s", property_name, error);
505 property_name = va_arg (args, const gchar *);
510 gtk_style_set_get (GtkStyleSet *set,
516 g_return_if_fail (GTK_IS_STYLE_SET (set));
517 g_return_if_fail (state < GTK_STATE_LAST);
519 va_start (args, state);
520 gtk_style_set_get_valist (set, state, args);
525 gtk_style_set_unset_property (GtkStyleSet *set,
526 const gchar *property,
529 GtkStyleSetPrivate *priv;
533 g_return_if_fail (GTK_IS_STYLE_SET (set));
534 g_return_if_fail (property != NULL);
535 g_return_if_fail (state < GTK_STATE_LAST);
537 node = property_node_lookup (g_quark_try_string (property));
541 g_warning ("Style property \"%s\" is not registered", property);
545 priv = GTK_STYLE_SET_GET_PRIVATE (set);
546 prop = g_hash_table_lookup (priv->properties,
547 GINT_TO_POINTER (node->property_quark));
552 g_value_unset (&prop->values[state]);
556 gtk_style_set_clear (GtkStyleSet *set)
558 GtkStyleSetPrivate *priv;
560 g_return_if_fail (GTK_IS_STYLE_SET (set));
562 priv = GTK_STYLE_SET_GET_PRIVATE (set);
563 g_hash_table_remove_all (priv->properties);
567 gtk_style_set_merge (GtkStyleSet *set,
568 const GtkStyleSet *set_to_merge,
571 GtkStyleSetPrivate *priv, *priv_to_merge;
575 g_return_if_fail (GTK_IS_STYLE_SET (set));
576 g_return_if_fail (GTK_IS_STYLE_SET (set_to_merge));
578 priv = GTK_STYLE_SET_GET_PRIVATE (set);
579 priv_to_merge = GTK_STYLE_SET_GET_PRIVATE (set_to_merge);
581 g_hash_table_iter_init (&iter, priv_to_merge->properties);
583 while (g_hash_table_iter_next (&iter, &key, &value))
585 PropertyData *prop_to_merge = value;
586 PropertyData *prop = NULL;
589 for (i = GTK_STATE_NORMAL; i < GTK_STATE_LAST; i++)
591 if (G_VALUE_TYPE (&prop_to_merge->values[i]) == G_TYPE_INVALID)
595 prop = g_hash_table_lookup (priv->properties, key);
599 prop = property_data_new ();
600 g_hash_table_insert (priv->properties, key, prop);
604 G_VALUE_TYPE (&prop->values[i]) == G_TYPE_INVALID)
606 if (G_VALUE_TYPE (&prop->values[i]) == G_TYPE_INVALID)
607 g_value_init (&prop->values[i], G_VALUE_TYPE (&prop_to_merge->values[i]));
609 g_value_copy (&prop_to_merge->values[i],
616 #define __GTK_STYLE_SET_C__
617 #include "gtkaliasdef.c"