1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 2011 Red Hat, Inc.
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, see <http://www.gnu.org/licenses/>.
20 #include "gtkcssvalueprivate.h"
21 #include "gtkcssstylefuncsprivate.h"
22 #include "gtktypebuiltins.h"
23 #include "gtkgradient.h"
24 #include <cairo-gobject.h>
25 #include "gtkprivatetypebuiltins.h"
27 #include "fallback-c89.c"
43 gtk_css_value_default_free (GtkCssValue *value)
45 GType type = value->type;
47 if (g_type_is_a (type, G_TYPE_OBJECT))
49 if (value->u.ptr != NULL)
50 g_object_unref (value->u.ptr);
52 else if (g_type_is_a (type, G_TYPE_BOXED))
54 if (value->u.ptr != NULL)
55 g_boxed_free (type, value->u.ptr);
57 else if (g_type_is_a (type, G_TYPE_STRING))
58 g_free (value->u.ptr);
59 else if (g_type_is_a (type, G_TYPE_INT))
61 else if (g_type_is_a (type, G_TYPE_UINT))
63 else if (g_type_is_a (type, G_TYPE_BOOLEAN))
65 else if (g_type_is_a (type, G_TYPE_ENUM))
67 else if (g_type_is_a (type, G_TYPE_FLAGS))
69 else if (g_type_is_a (type, G_TYPE_DOUBLE))
71 else if (g_type_is_a (type, G_TYPE_FLOAT))
75 g_value_unset (value->u.ptr);
76 g_slice_free (GValue, value->u.ptr);
79 g_slice_free (GtkCssValue, value);
83 gtk_css_value_default_equal (const GtkCssValue *value1,
84 const GtkCssValue *value2)
90 gtk_css_value_default_transition (GtkCssValue *start,
98 gtk_css_value_default_print (const GtkCssValue *value,
101 GValue g_value = G_VALUE_INIT;
103 _gtk_css_value_init_gvalue (value, &g_value);
104 _gtk_css_style_print_value (&g_value, string);
105 g_value_unset (&g_value);
108 static const GtkCssValueClass GTK_CSS_VALUE_DEFAULT = {
109 gtk_css_value_default_free,
110 gtk_css_value_default_equal,
111 gtk_css_value_default_transition,
112 gtk_css_value_default_print
115 G_DEFINE_BOXED_TYPE (GtkCssValue, _gtk_css_value, _gtk_css_value_ref, _gtk_css_value_unref)
118 gtk_css_value_new (GType type)
122 value = _gtk_css_value_new (GtkCssValue, >K_CSS_VALUE_DEFAULT);
130 _gtk_css_value_new_from_gvalue (const GValue *g_value)
135 g_return_val_if_fail (g_value != NULL, NULL);
137 type = G_VALUE_TYPE (g_value);
139 /* Make sure we reuse the int/number singletons */
140 if (type == G_TYPE_INT)
141 value = _gtk_css_value_new_from_int (g_value_get_int (g_value));
144 value = gtk_css_value_new (type);
146 if (g_type_is_a (type, G_TYPE_OBJECT))
147 value->u.ptr = g_value_dup_object (g_value);
148 else if (g_type_is_a (type, G_TYPE_BOXED))
149 value->u.ptr = g_value_dup_boxed (g_value);
150 else if (g_type_is_a (type, G_TYPE_INT))
151 value->u.gint = g_value_get_int (g_value);
152 else if (g_type_is_a (type, G_TYPE_UINT))
153 value->u.guint = g_value_get_uint (g_value);
154 else if (g_type_is_a (type, G_TYPE_BOOLEAN))
155 value->u.gint = g_value_get_boolean (g_value);
156 else if (g_type_is_a (type, G_TYPE_ENUM))
157 value->u.gint = g_value_get_enum (g_value);
158 else if (g_type_is_a (type, G_TYPE_FLAGS))
159 value->u.guint = g_value_get_flags (g_value);
160 else if (g_type_is_a (type, G_TYPE_STRING))
161 value->u.ptr = g_value_dup_string (g_value);
162 else if (g_type_is_a (type, G_TYPE_DOUBLE))
163 value->u.dbl = g_value_get_double (g_value);
164 else if (g_type_is_a (type, G_TYPE_FLOAT))
165 value->u.flt = g_value_get_float (g_value);
168 value->u.ptr = g_slice_new0 (GValue);
169 g_value_init (value->u.ptr, G_VALUE_TYPE (g_value));
170 g_value_copy (g_value, value->u.ptr);
178 _gtk_css_value_new_from_int (gint val)
181 static GtkCssValue *singletons[4] = {NULL};
183 if (val >= 0 && val < G_N_ELEMENTS (singletons))
185 if (singletons[val] == NULL)
187 value = gtk_css_value_new (G_TYPE_INT);
189 singletons[val] = value;
191 return _gtk_css_value_ref (singletons[val]);
194 value = gtk_css_value_new (G_TYPE_INT);
201 _gtk_css_value_new_from_enum (GType type,
206 g_return_val_if_fail (g_type_is_a (type, G_TYPE_ENUM), NULL);
208 value = gtk_css_value_new (type);
215 _gtk_css_value_new_take_strv (char **strv)
219 value = gtk_css_value_new (G_TYPE_STRV);
226 g_boxed_copy0 (GType boxed_type,
227 gconstpointer src_boxed)
229 if (src_boxed == NULL)
231 return g_boxed_copy (boxed_type, src_boxed);
235 _gtk_css_value_new_from_boxed (GType type,
240 g_return_val_if_fail (g_type_is_a (type, G_TYPE_BOXED), NULL);
242 value = gtk_css_value_new (type);
243 value->u.ptr = g_boxed_copy0 (type, boxed);
249 _gtk_css_value_new_take_pattern (cairo_pattern_t *v)
253 value = gtk_css_value_new (CAIRO_GOBJECT_TYPE_PATTERN);
260 _gtk_css_value_new_take_binding_sets (GPtrArray *array)
264 value = gtk_css_value_new (G_TYPE_PTR_ARRAY);
265 value->u.ptr = array;
271 _gtk_css_value_new_from_color (const GdkColor *v)
275 value = gtk_css_value_new (GDK_TYPE_COLOR);
276 value->u.ptr = g_boxed_copy0 (GDK_TYPE_COLOR, v);
282 _gtk_css_value_new_from_border_style (GtkBorderStyle style)
286 value = gtk_css_value_new (GTK_TYPE_BORDER_STYLE);
287 value->u.gint = style;
293 _gtk_css_value_new_take_symbolic_color (GtkSymbolicColor *v)
297 value = gtk_css_value_new (GTK_TYPE_SYMBOLIC_COLOR);
304 _gtk_css_value_alloc (const GtkCssValueClass *klass,
309 value = g_slice_alloc0 (size);
311 value->class = klass;
312 value->ref_count = 1;
318 _gtk_css_value_ref (GtkCssValue *value)
320 g_return_val_if_fail (value != NULL, NULL);
322 g_atomic_int_add (&value->ref_count, 1);
328 _gtk_css_value_unref (GtkCssValue *value)
333 if (!g_atomic_int_dec_and_test (&value->ref_count))
336 value->class->free (value);
340 _gtk_css_value_equal (const GtkCssValue *value1,
341 const GtkCssValue *value2)
343 g_return_val_if_fail (value1 != NULL, FALSE);
344 g_return_val_if_fail (value2 != NULL, FALSE);
346 if (value1->class != value2->class)
349 return value1->class->equal (value1, value2);
353 _gtk_css_value_equal0 (const GtkCssValue *value1,
354 const GtkCssValue *value2)
356 if (value1 == NULL && value2 == NULL)
359 if (value1 == NULL || value2 == NULL)
362 return _gtk_css_value_equal (value1, value2);
366 _gtk_css_value_transition (GtkCssValue *start,
370 g_return_val_if_fail (start != NULL, FALSE);
371 g_return_val_if_fail (end != NULL, FALSE);
373 if (start->class != end->class)
376 return start->class->transition (start, end, progress);
380 _gtk_css_value_to_string (const GtkCssValue *value)
384 g_return_val_if_fail (value != NULL, NULL);
386 string = g_string_new (NULL);
387 _gtk_css_value_print (value, string);
388 return g_string_free (string, FALSE);
392 _gtk_css_value_print (const GtkCssValue *value,
395 g_return_if_fail (value != NULL);
396 g_return_if_fail (string != NULL);
398 value->class->print (value, string);
402 _gtk_css_value_get_content_type (const GtkCssValue *value)
404 g_return_val_if_fail (value->class == >K_CSS_VALUE_DEFAULT, G_TYPE_NONE);
410 _gtk_css_value_holds (const GtkCssValue *value, GType type)
412 g_return_val_if_fail (value->class == >K_CSS_VALUE_DEFAULT, FALSE);
414 return g_type_is_a (value->type, type);
418 fill_gvalue (const GtkCssValue *value,
425 if (g_type_is_a (type, G_TYPE_OBJECT))
426 g_value_set_object (g_value, value->u.ptr);
427 else if (g_type_is_a (type, G_TYPE_BOXED))
428 g_value_set_boxed (g_value, value->u.ptr);
429 else if (g_type_is_a (type, G_TYPE_INT))
430 g_value_set_int (g_value, value->u.gint);
431 else if (g_type_is_a (type, G_TYPE_UINT))
432 g_value_set_uint (g_value, value->u.guint);
433 else if (g_type_is_a (type, G_TYPE_BOOLEAN))
434 g_value_set_boolean (g_value, value->u.gint);
435 else if (g_type_is_a (type, G_TYPE_ENUM))
436 g_value_set_enum (g_value, value->u.gint);
437 else if (g_type_is_a (type, G_TYPE_FLAGS))
438 g_value_set_flags (g_value, value->u.guint);
439 else if (g_type_is_a (type, G_TYPE_STRING))
440 g_value_set_string (g_value, value->u.ptr);
441 else if (g_type_is_a (type, G_TYPE_DOUBLE))
442 g_value_set_double (g_value, value->u.dbl);
443 else if (g_type_is_a (type, G_TYPE_FLOAT))
444 g_value_set_float (g_value, value->u.flt);
446 g_value_copy (value->u.ptr, g_value);
450 _gtk_css_value_init_gvalue (const GtkCssValue *value,
455 g_return_if_fail (value->class == >K_CSS_VALUE_DEFAULT);
456 g_value_init (g_value, value->type);
457 fill_gvalue (value, g_value);
462 _gtk_css_value_get_symbolic_color (const GtkCssValue *value)
464 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_SYMBOLIC_COLOR), NULL);
469 _gtk_css_value_get_int (const GtkCssValue *value)
471 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_INT), 0);
472 return value->u.gint;
476 _gtk_css_value_get_enum (const GtkCssValue *value)
478 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_ENUM), 0);
479 return value->u.gint;
483 _gtk_css_value_dup_object (const GtkCssValue *value)
485 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_OBJECT), NULL);
487 return g_object_ref (value->u.ptr);
492 _gtk_css_value_get_object (const GtkCssValue *value)
494 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_OBJECT), NULL);
499 _gtk_css_value_get_boxed (const GtkCssValue *value)
501 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_BOXED), NULL);
506 _gtk_css_value_get_strv (const GtkCssValue *value)
508 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_STRV), NULL);
513 _gtk_css_value_get_border_style (const GtkCssValue *value)
515 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_BORDER_STYLE), 0);
516 return value->u.gint;
520 _gtk_css_value_get_gradient (const GtkCssValue *value)
522 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_GRADIENT), NULL);