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_print (const GtkCssValue *value,
93 GValue g_value = G_VALUE_INIT;
95 _gtk_css_value_init_gvalue (value, &g_value);
96 _gtk_css_style_print_value (&g_value, string);
97 g_value_unset (&g_value);
100 static const GtkCssValueClass GTK_CSS_VALUE_DEFAULT = {
101 gtk_css_value_default_free,
102 gtk_css_value_default_equal,
103 gtk_css_value_default_print
106 G_DEFINE_BOXED_TYPE (GtkCssValue, _gtk_css_value, _gtk_css_value_ref, _gtk_css_value_unref)
109 gtk_css_value_new (GType type)
113 value = _gtk_css_value_new (GtkCssValue, >K_CSS_VALUE_DEFAULT);
121 _gtk_css_value_new_from_gvalue (const GValue *g_value)
126 g_return_val_if_fail (g_value != NULL, NULL);
128 type = G_VALUE_TYPE (g_value);
130 /* Make sure we reuse the int/number singletons */
131 if (type == G_TYPE_INT)
132 value = _gtk_css_value_new_from_int (g_value_get_int (g_value));
135 value = gtk_css_value_new (type);
137 if (g_type_is_a (type, G_TYPE_OBJECT))
138 value->u.ptr = g_value_dup_object (g_value);
139 else if (g_type_is_a (type, G_TYPE_BOXED))
140 value->u.ptr = g_value_dup_boxed (g_value);
141 else if (g_type_is_a (type, G_TYPE_INT))
142 value->u.gint = g_value_get_int (g_value);
143 else if (g_type_is_a (type, G_TYPE_UINT))
144 value->u.guint = g_value_get_uint (g_value);
145 else if (g_type_is_a (type, G_TYPE_BOOLEAN))
146 value->u.gint = g_value_get_boolean (g_value);
147 else if (g_type_is_a (type, G_TYPE_ENUM))
148 value->u.gint = g_value_get_enum (g_value);
149 else if (g_type_is_a (type, G_TYPE_FLAGS))
150 value->u.guint = g_value_get_flags (g_value);
151 else if (g_type_is_a (type, G_TYPE_STRING))
152 value->u.ptr = g_value_dup_string (g_value);
153 else if (g_type_is_a (type, G_TYPE_DOUBLE))
154 value->u.dbl = g_value_get_double (g_value);
155 else if (g_type_is_a (type, G_TYPE_FLOAT))
156 value->u.flt = g_value_get_float (g_value);
159 value->u.ptr = g_slice_new0 (GValue);
160 g_value_init (value->u.ptr, G_VALUE_TYPE (g_value));
161 g_value_copy (g_value, value->u.ptr);
169 _gtk_css_value_new_from_int (gint val)
172 static GtkCssValue *singletons[4] = {NULL};
174 if (val >= 0 && val < G_N_ELEMENTS (singletons))
176 if (singletons[val] == NULL)
178 value = gtk_css_value_new (G_TYPE_INT);
180 singletons[val] = value;
182 return _gtk_css_value_ref (singletons[val]);
185 value = gtk_css_value_new (G_TYPE_INT);
192 _gtk_css_value_new_from_enum (GType type,
197 g_return_val_if_fail (g_type_is_a (type, G_TYPE_ENUM), NULL);
199 value = gtk_css_value_new (type);
206 _gtk_css_value_new_from_double (double d)
210 value = gtk_css_value_new (G_TYPE_DOUBLE);
217 _gtk_css_value_new_take_string (char *string)
221 value = gtk_css_value_new (G_TYPE_STRING);
222 value->u.ptr = string;
228 _gtk_css_value_new_take_strv (char **strv)
232 value = gtk_css_value_new (G_TYPE_STRV);
239 g_boxed_copy0 (GType boxed_type,
240 gconstpointer src_boxed)
242 if (src_boxed == NULL)
244 return g_boxed_copy (boxed_type, src_boxed);
248 _gtk_css_value_new_from_boxed (GType type,
253 g_return_val_if_fail (g_type_is_a (type, G_TYPE_BOXED), NULL);
255 value = gtk_css_value_new (type);
256 value->u.ptr = g_boxed_copy0 (type, boxed);
262 _gtk_css_value_new_take_pattern (cairo_pattern_t *v)
266 value = gtk_css_value_new (CAIRO_GOBJECT_TYPE_PATTERN);
273 _gtk_css_value_new_take_shadow (GtkShadow *v)
277 value = gtk_css_value_new (GTK_TYPE_SHADOW);
284 _gtk_css_value_new_take_image (GtkCssImage *v)
288 value = gtk_css_value_new (GTK_TYPE_CSS_IMAGE);
295 _gtk_css_value_new_from_theming_engine (GtkThemingEngine *v)
299 value = gtk_css_value_new (GTK_TYPE_THEMING_ENGINE);
300 value->u.ptr = g_object_ref (v);
306 _gtk_css_value_new_take_binding_sets (GPtrArray *array)
310 value = gtk_css_value_new (G_TYPE_PTR_ARRAY);
311 value->u.ptr = array;
317 _gtk_css_value_new_from_rgba (const GdkRGBA *v)
321 value = gtk_css_value_new (GDK_TYPE_RGBA);
322 value->u.ptr = g_boxed_copy0 (GDK_TYPE_RGBA, v);
328 _gtk_css_value_new_from_color (const GdkColor *v)
332 value = gtk_css_value_new (GDK_TYPE_COLOR);
333 value->u.ptr = g_boxed_copy0 (GDK_TYPE_COLOR, v);
339 _gtk_css_value_new_from_background_size (const GtkCssBackgroundSize *v)
343 value = gtk_css_value_new (GTK_TYPE_CSS_BACKGROUND_SIZE);
344 value->u.ptr = g_boxed_copy0 (GTK_TYPE_CSS_BACKGROUND_SIZE, v);
350 _gtk_css_value_new_from_background_position (const GtkCssBackgroundPosition *v)
354 value = gtk_css_value_new (GTK_TYPE_CSS_BACKGROUND_POSITION);
355 value->u.ptr = g_boxed_copy0 (GTK_TYPE_CSS_BACKGROUND_POSITION, v);
361 _gtk_css_value_new_from_border_corner_radius (const GtkCssBorderCornerRadius *v)
365 value = gtk_css_value_new (GTK_TYPE_CSS_BORDER_CORNER_RADIUS);
366 value->u.ptr = g_boxed_copy0 (GTK_TYPE_CSS_BORDER_CORNER_RADIUS, v);
372 _gtk_css_value_new_from_border_image_repeat (const GtkCssBorderImageRepeat *v)
376 value = gtk_css_value_new (GTK_TYPE_CSS_BORDER_IMAGE_REPEAT);
377 value->u.ptr = g_boxed_copy0 (GTK_TYPE_CSS_BORDER_IMAGE_REPEAT, v);
383 _gtk_css_value_new_from_border_style (GtkBorderStyle style)
387 value = gtk_css_value_new (GTK_TYPE_BORDER_STYLE);
388 value->u.gint = style;
394 _gtk_css_value_new_take_symbolic_color (GtkSymbolicColor *v)
398 value = gtk_css_value_new (GTK_TYPE_SYMBOLIC_COLOR);
405 _gtk_css_value_alloc (const GtkCssValueClass *klass,
410 value = g_slice_alloc0 (size);
412 value->class = klass;
413 value->ref_count = 1;
419 _gtk_css_value_ref (GtkCssValue *value)
421 g_return_val_if_fail (value != NULL, NULL);
423 g_atomic_int_add (&value->ref_count, 1);
429 _gtk_css_value_unref (GtkCssValue *value)
434 if (!g_atomic_int_dec_and_test (&value->ref_count))
437 value->class->free (value);
441 _gtk_css_value_equal (const GtkCssValue *value1,
442 const GtkCssValue *value2)
444 g_return_val_if_fail (value1 != NULL, FALSE);
445 g_return_val_if_fail (value2 != NULL, FALSE);
447 if (value1->class != value2->class)
450 return value1->class->equal (value1, value2);
454 _gtk_css_value_print (const GtkCssValue *value,
457 g_return_if_fail (value != NULL);
458 g_return_if_fail (string != NULL);
460 value->class->print (value, string);
464 _gtk_css_value_get_content_type (const GtkCssValue *value)
470 _gtk_css_value_holds (const GtkCssValue *value, GType type)
472 return g_type_is_a (value->type, type);
476 fill_gvalue (const GtkCssValue *value,
483 if (g_type_is_a (type, G_TYPE_OBJECT))
484 g_value_set_object (g_value, value->u.ptr);
485 else if (g_type_is_a (type, G_TYPE_BOXED))
486 g_value_set_boxed (g_value, value->u.ptr);
487 else if (g_type_is_a (type, G_TYPE_INT))
488 g_value_set_int (g_value, value->u.gint);
489 else if (g_type_is_a (type, G_TYPE_UINT))
490 g_value_set_uint (g_value, value->u.guint);
491 else if (g_type_is_a (type, G_TYPE_BOOLEAN))
492 g_value_set_boolean (g_value, value->u.gint);
493 else if (g_type_is_a (type, G_TYPE_ENUM))
494 g_value_set_enum (g_value, value->u.gint);
495 else if (g_type_is_a (type, G_TYPE_FLAGS))
496 g_value_set_flags (g_value, value->u.guint);
497 else if (g_type_is_a (type, G_TYPE_STRING))
498 g_value_set_string (g_value, value->u.ptr);
499 else if (g_type_is_a (type, G_TYPE_DOUBLE))
500 g_value_set_double (g_value, value->u.dbl);
501 else if (g_type_is_a (type, G_TYPE_FLOAT))
502 g_value_set_float (g_value, value->u.flt);
504 g_value_copy (value->u.ptr, g_value);
508 _gtk_css_value_init_gvalue (const GtkCssValue *value,
513 g_value_init (g_value, value->type);
514 fill_gvalue (value, g_value);
519 _gtk_css_value_get_symbolic_color (const GtkCssValue *value)
521 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_SYMBOLIC_COLOR), NULL);
526 _gtk_css_value_get_int (const GtkCssValue *value)
528 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_INT), 0);
529 return value->u.gint;
533 _gtk_css_value_get_enum (const GtkCssValue *value)
535 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_ENUM), 0);
536 return value->u.gint;
540 _gtk_css_value_get_double (const GtkCssValue *value)
542 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_DOUBLE), 0);
547 _gtk_css_value_get_string (const GtkCssValue *value)
549 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_STRING), 0);
554 _gtk_css_value_dup_object (const GtkCssValue *value)
556 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_OBJECT), NULL);
558 return g_object_ref (value->u.ptr);
563 _gtk_css_value_get_object (const GtkCssValue *value)
565 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_OBJECT), NULL);
570 _gtk_css_value_get_boxed (const GtkCssValue *value)
572 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_BOXED), NULL);
577 _gtk_css_value_get_strv (const GtkCssValue *value)
579 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_STRV), NULL);
584 _gtk_css_value_get_image (const GtkCssValue *value)
586 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_IMAGE), NULL);
591 _gtk_css_value_get_border_style (const GtkCssValue *value)
593 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_BORDER_STYLE), 0);
594 return value->u.gint;
597 const GtkCssBackgroundSize *
598 _gtk_css_value_get_background_size (const GtkCssValue *value)
600 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_BACKGROUND_SIZE), NULL);
604 const GtkCssBackgroundPosition *
605 _gtk_css_value_get_background_position (const GtkCssValue *value)
607 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_BACKGROUND_POSITION), NULL);
611 const GtkCssBorderImageRepeat *
612 _gtk_css_value_get_border_image_repeat (const GtkCssValue *value)
614 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_BORDER_IMAGE_REPEAT), NULL);
618 const GtkCssBorderCornerRadius *
619 _gtk_css_value_get_border_corner_radius (const GtkCssValue *value)
621 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_BORDER_CORNER_RADIUS), NULL);
626 _gtk_css_value_get_pango_style (const GtkCssValue *value)
628 g_return_val_if_fail (_gtk_css_value_holds (value, PANGO_TYPE_STYLE), 0);
629 return value->u.gint;
633 _gtk_css_value_get_pango_variant (const GtkCssValue *value)
635 g_return_val_if_fail (_gtk_css_value_holds (value, PANGO_TYPE_VARIANT), 0);
636 return value->u.gint;
640 _gtk_css_value_get_pango_weight (const GtkCssValue *value)
642 g_return_val_if_fail (_gtk_css_value_holds (value, PANGO_TYPE_WEIGHT), 0);
643 return value->u.gint;
647 _gtk_css_value_get_rgba (const GtkCssValue *value)
649 g_return_val_if_fail (_gtk_css_value_holds (value, GDK_TYPE_RGBA), NULL);
654 _gtk_css_value_get_pattern (const GtkCssValue *value)
656 g_return_val_if_fail (_gtk_css_value_holds (value, CAIRO_GOBJECT_TYPE_PATTERN), NULL);
661 _gtk_css_value_get_gradient (const GtkCssValue *value)
663 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_GRADIENT), NULL);
668 _gtk_css_value_get_shadow (const GtkCssValue *value)
670 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_SHADOW), NULL);