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;
72 GtkBorder padding = { 0 };
74 object_class->finalize = gtk_style_set_finalize;
76 /* Initialize default property set */
77 gtk_style_set_register_property_color ("foreground-color", &white);
78 gtk_style_set_register_property_color ("background-color", &black);
79 gtk_style_set_register_property_color ("text-color", &white);
80 gtk_style_set_register_property_color ("base-color", &white);
82 font_desc = pango_font_description_from_string ("Sans 10");
83 gtk_style_set_register_property_font ("font", font_desc);
84 pango_font_description_free (font_desc);
86 gtk_style_set_register_property_border ("padding", &padding);
88 g_type_class_add_private (object_class, sizeof (GtkStyleSetPrivate));
92 property_data_new (void)
96 data = g_slice_new0 (PropertyData);
102 property_data_free (PropertyData *data)
106 for (i = 0; i <= GTK_STATE_INSENSITIVE; i++)
108 if (G_IS_VALUE (&data->values[i]))
109 g_value_unset (&data->values[i]);
112 g_slice_free (PropertyData, data);
116 gtk_style_set_init (GtkStyleSet *set)
118 GtkStyleSetPrivate *priv;
120 priv = GTK_STYLE_SET_GET_PRIVATE (set);
121 priv->properties = g_hash_table_new_full (NULL, NULL, NULL,
122 (GDestroyNotify) property_data_free);
126 gtk_style_set_finalize (GObject *object)
128 GtkStyleSetPrivate *priv;
130 priv = GTK_STYLE_SET_GET_PRIVATE (object);
131 g_hash_table_destroy (priv->properties);
133 G_OBJECT_CLASS (gtk_style_set_parent_class)->finalize (object);
137 gtk_style_set_get_style (GtkStyleProvider *provider,
140 /* Return style set itself */
141 return g_object_ref (provider);
145 gtk_style_set_provider_init (GtkStyleProviderIface *iface)
147 iface->get_style = gtk_style_set_get_style;
151 compare_property (gconstpointer p1,
154 PropertyNode *key = (PropertyNode *) p1;
155 PropertyNode *node = (PropertyNode *) p2;
157 return (int) key->property_quark - node->property_quark;
160 static PropertyNode *
161 property_node_lookup (GQuark quark)
163 PropertyNode key = { 0 };
171 key.property_quark = quark;
173 return bsearch (&key, properties->data, properties->len,
174 sizeof (PropertyNode), compare_property);
177 /* Property registration functions */
179 gtk_style_set_register_property (const gchar *property_name,
181 const GValue *default_value)
183 PropertyNode *node, new = { 0 };
187 g_return_if_fail (property_name != NULL);
188 g_return_if_fail (default_value != NULL);
189 g_return_if_fail (type == G_VALUE_TYPE (default_value));
191 if (G_UNLIKELY (!properties))
192 properties = g_array_new (FALSE, TRUE, sizeof (PropertyNode));
194 quark = g_quark_try_string (property_name);
196 if ((node = property_node_lookup (quark)) != NULL)
198 g_warning ("Property \"%s\" was already registered with type %s",
199 property_name, g_type_name (node->property_type));
203 quark = g_quark_from_string (property_name);
205 new.property_quark = quark;
206 new.property_type = type;
208 g_value_init (&new.default_value, type);
209 g_value_copy (default_value, &new.default_value);
211 for (i = 0; i < properties->len; i++)
213 node = &g_array_index (properties, PropertyNode, i);
215 if (node->property_quark > quark)
219 g_array_insert_val (properties, i, new);
223 gtk_style_set_lookup_property (const gchar *property_name,
225 GValue *default_value)
228 GtkStyleSetClass *klass;
233 g_return_val_if_fail (property_name != NULL, FALSE);
235 klass = g_type_class_ref (GTK_TYPE_STYLE_SET);
236 quark = g_quark_try_string (property_name);
240 g_type_class_unref (klass);
244 for (i = 0; i < properties->len; i++)
246 node = &g_array_index (properties, PropertyNode, i);
248 if (node->property_quark == quark)
251 *type = node->property_type;
255 g_value_init (default_value, G_VALUE_TYPE (&node->default_value));
256 g_value_copy (&node->default_value, default_value);
259 g_type_class_unref (klass);
263 else if (node->property_quark > quark)
267 g_type_class_unref (klass);
273 gtk_style_set_register_property_color (const gchar *property_name,
274 GdkColor *initial_value)
276 GValue value = { 0 };
278 g_return_if_fail (property_name != NULL);
279 g_return_if_fail (initial_value != NULL);
281 g_value_init (&value, GDK_TYPE_COLOR);
282 g_value_set_boxed (&value, initial_value);
284 gtk_style_set_register_property (property_name, GDK_TYPE_COLOR, &value);
286 g_value_unset (&value);
290 gtk_style_set_register_property_font (const gchar *property_name,
291 PangoFontDescription *initial_value)
293 GValue value = { 0 };
295 g_return_if_fail (property_name != NULL);
296 g_return_if_fail (initial_value != NULL);
298 g_value_init (&value, PANGO_TYPE_FONT_DESCRIPTION);
299 g_value_set_boxed (&value, initial_value);
301 gtk_style_set_register_property (property_name, PANGO_TYPE_FONT_DESCRIPTION, &value);
303 g_value_unset (&value);
307 gtk_style_set_register_property_border (const gchar *property_name,
308 GtkBorder *initial_value)
310 GValue value = { 0 };
312 g_return_if_fail (property_name != NULL);
313 g_return_if_fail (initial_value != NULL);
315 g_value_init (&value, GTK_TYPE_BORDER);
316 g_value_set_boxed (&value, initial_value);
318 gtk_style_set_register_property (property_name, GTK_TYPE_BORDER, &value);
320 g_value_unset (&value);
324 gtk_style_set_register_property_int (const gchar *property_name,
327 GValue value = { 0 };
329 g_return_if_fail (property_name != NULL);
331 g_value_init (&value, G_TYPE_INT);
332 g_value_set_int (&value, initial_value);
334 gtk_style_set_register_property (property_name, G_TYPE_INT, &value);
336 g_value_unset (&value);
340 gtk_style_set_register_property_uint (const gchar *property_name,
343 GValue value = { 0 };
345 g_return_if_fail (property_name != NULL);
347 g_value_init (&value, G_TYPE_UINT);
348 g_value_set_uint (&value, initial_value);
350 gtk_style_set_register_property (property_name, G_TYPE_UINT, &value);
352 g_value_unset (&value);
356 gtk_style_set_register_property_double (const gchar *property_name,
357 gdouble initial_value)
359 GValue value = { 0 };
361 g_return_if_fail (property_name != NULL);
363 g_value_init (&value, G_TYPE_DOUBLE);
364 g_value_set_double (&value, initial_value);
366 gtk_style_set_register_property (property_name, G_TYPE_DOUBLE, &value);
368 g_value_unset (&value);
371 /* GtkStyleSet methods */
374 gtk_style_set_new (void)
376 return g_object_new (GTK_TYPE_STYLE_SET, NULL);
380 gtk_style_set_set_property (GtkStyleSet *set,
381 const gchar *property,
385 GtkStyleSetPrivate *priv;
389 g_return_if_fail (GTK_IS_STYLE_SET (set));
390 g_return_if_fail (property != NULL);
391 g_return_if_fail (state < GTK_STATE_LAST);
392 g_return_if_fail (value != NULL);
394 node = property_node_lookup (g_quark_try_string (property));
398 g_warning ("Style property \"%s\" is not registered", property);
402 g_return_if_fail (node->property_type == G_VALUE_TYPE (value));
404 priv = GTK_STYLE_SET_GET_PRIVATE (set);
405 prop = g_hash_table_lookup (priv->properties,
406 GINT_TO_POINTER (node->property_quark));
410 prop = property_data_new ();
411 g_hash_table_insert (priv->properties,
412 GINT_TO_POINTER (node->property_quark),
416 if (G_IS_VALUE (&prop->values[state]))
417 g_value_reset (&prop->values[state]);
419 g_value_init (&prop->values[state], node->property_type);
421 g_value_copy (value, &prop->values[state]);
426 gtk_style_set_set_valist (GtkStyleSet *set,
430 GtkStyleSetPrivate *priv;
431 const gchar *property_name;
433 g_return_if_fail (GTK_IS_STYLE_SET (set));
434 g_return_if_fail (state < GTK_STATE_LAST);
436 priv = GTK_STYLE_SET_GET_PRIVATE (set);
437 property_name = va_arg (args, const gchar *);
439 while (property_name)
445 node = property_node_lookup (g_quark_try_string (property_name));
449 g_warning ("Style property \"%s\" is not registered", property_name);
453 prop = g_hash_table_lookup (priv->properties,
454 GINT_TO_POINTER (node->property_quark));
458 prop = property_data_new ();
459 g_hash_table_insert (priv->properties,
460 GINT_TO_POINTER (node->property_quark),
464 g_value_init (&prop->values[state], node->property_type);
465 G_VALUE_COLLECT (&prop->values[state], args, 0, &error);
469 g_warning ("Could not set style property \"%s\": %s", property_name, error);
470 g_value_unset (&prop->values[state]);
475 property_name = va_arg (args, const gchar *);
480 gtk_style_set_set (GtkStyleSet *set,
486 g_return_if_fail (GTK_IS_STYLE_SET (set));
487 g_return_if_fail (state < GTK_STATE_LAST);
489 va_start (args, state);
490 gtk_style_set_set_valist (set, state, args);
495 gtk_style_set_get_property (GtkStyleSet *set,
496 const gchar *property,
500 GtkStyleSetPrivate *priv;
504 g_return_val_if_fail (GTK_IS_STYLE_SET (set), FALSE);
505 g_return_val_if_fail (property != NULL, FALSE);
506 g_return_val_if_fail (state < GTK_STATE_LAST, FALSE);
507 g_return_val_if_fail (value != NULL, FALSE);
509 node = property_node_lookup (g_quark_try_string (property));
513 g_warning ("Style property \"%s\" is not registered", property);
517 priv = GTK_STYLE_SET_GET_PRIVATE (set);
518 prop = g_hash_table_lookup (priv->properties,
519 GINT_TO_POINTER (node->property_quark));
521 g_value_init (value, node->property_type);
524 !G_IS_VALUE (&prop->values[state]))
525 g_value_copy (&node->default_value, value);
527 g_value_copy (&prop->values[state], value);
533 gtk_style_set_get_valist (GtkStyleSet *set,
537 GtkStyleSetPrivate *priv;
538 const gchar *property_name;
540 g_return_if_fail (GTK_IS_STYLE_SET (set));
541 g_return_if_fail (state < GTK_STATE_LAST);
543 priv = GTK_STYLE_SET_GET_PRIVATE (set);
544 property_name = va_arg (args, const gchar *);
546 while (property_name)
552 node = property_node_lookup (g_quark_try_string (property_name));
556 g_warning ("Style property \"%s\" is not registered", property_name);
560 prop = g_hash_table_lookup (priv->properties,
561 GINT_TO_POINTER (node->property_quark));
564 !G_IS_VALUE (&prop->values[state]))
565 G_VALUE_LCOPY (&node->default_value, args, 0, &error);
567 G_VALUE_LCOPY (&prop->values[state], args, 0, &error);
571 g_warning ("Could not get style property \"%s\": %s", property_name, error);
576 property_name = va_arg (args, const gchar *);
581 gtk_style_set_get (GtkStyleSet *set,
587 g_return_if_fail (GTK_IS_STYLE_SET (set));
588 g_return_if_fail (state < GTK_STATE_LAST);
590 va_start (args, state);
591 gtk_style_set_get_valist (set, state, args);
596 gtk_style_set_unset_property (GtkStyleSet *set,
597 const gchar *property,
600 GtkStyleSetPrivate *priv;
604 g_return_if_fail (GTK_IS_STYLE_SET (set));
605 g_return_if_fail (property != NULL);
606 g_return_if_fail (state < GTK_STATE_LAST);
608 node = property_node_lookup (g_quark_try_string (property));
612 g_warning ("Style property \"%s\" is not registered", property);
616 priv = GTK_STYLE_SET_GET_PRIVATE (set);
617 prop = g_hash_table_lookup (priv->properties,
618 GINT_TO_POINTER (node->property_quark));
623 g_value_unset (&prop->values[state]);
627 gtk_style_set_clear (GtkStyleSet *set)
629 GtkStyleSetPrivate *priv;
631 g_return_if_fail (GTK_IS_STYLE_SET (set));
633 priv = GTK_STYLE_SET_GET_PRIVATE (set);
634 g_hash_table_remove_all (priv->properties);
638 gtk_style_set_merge (GtkStyleSet *set,
639 const GtkStyleSet *set_to_merge,
642 GtkStyleSetPrivate *priv, *priv_to_merge;
646 g_return_if_fail (GTK_IS_STYLE_SET (set));
647 g_return_if_fail (GTK_IS_STYLE_SET (set_to_merge));
649 priv = GTK_STYLE_SET_GET_PRIVATE (set);
650 priv_to_merge = GTK_STYLE_SET_GET_PRIVATE (set_to_merge);
652 g_hash_table_iter_init (&iter, priv_to_merge->properties);
654 while (g_hash_table_iter_next (&iter, &key, &value))
656 PropertyData *prop_to_merge = value;
657 PropertyData *prop = NULL;
660 for (i = GTK_STATE_NORMAL; i < GTK_STATE_LAST; i++)
662 if (G_VALUE_TYPE (&prop_to_merge->values[i]) == G_TYPE_INVALID)
666 prop = g_hash_table_lookup (priv->properties, key);
670 prop = property_data_new ();
671 g_hash_table_insert (priv->properties, key, prop);
675 G_VALUE_TYPE (&prop->values[i]) == G_TYPE_INVALID)
677 if (G_VALUE_TYPE (&prop->values[i]) == G_TYPE_INVALID)
678 g_value_init (&prop->values[i], G_VALUE_TYPE (&prop_to_merge->values[i]));
680 g_value_copy (&prop_to_merge->values[i],
687 #define __GTK_STYLE_SET_C__
688 #include "gtkaliasdef.c"