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_print (const GtkCssValue *value,
86 GValue g_value = G_VALUE_INIT;
88 _gtk_css_value_init_gvalue (value, &g_value);
89 _gtk_css_style_print_value (&g_value, string);
90 g_value_unset (&g_value);
93 static const GtkCssValueClass GTK_CSS_VALUE_DEFAULT = {
94 gtk_css_value_default_free,
95 gtk_css_value_default_print
98 G_DEFINE_BOXED_TYPE (GtkCssValue, _gtk_css_value, _gtk_css_value_ref, _gtk_css_value_unref)
101 gtk_css_value_new (GType type)
105 value = _gtk_css_value_new (GtkCssValue, >K_CSS_VALUE_DEFAULT);
113 _gtk_css_value_new_from_gvalue (const GValue *g_value)
118 g_return_val_if_fail (g_value != NULL, NULL);
120 type = G_VALUE_TYPE (g_value);
122 /* Make sure we reuse the int/number singletons */
123 if (type == G_TYPE_INT)
124 value = _gtk_css_value_new_from_int (g_value_get_int (g_value));
125 else if (type == GTK_TYPE_CSS_NUMBER)
126 value = _gtk_css_value_new_from_number (g_value_get_boxed (g_value));
129 value = gtk_css_value_new (type);
131 if (g_type_is_a (type, G_TYPE_OBJECT))
132 value->u.ptr = g_value_dup_object (g_value);
133 else if (g_type_is_a (type, G_TYPE_BOXED))
134 value->u.ptr = g_value_dup_boxed (g_value);
135 else if (g_type_is_a (type, G_TYPE_INT))
136 value->u.gint = g_value_get_int (g_value);
137 else if (g_type_is_a (type, G_TYPE_UINT))
138 value->u.guint = g_value_get_uint (g_value);
139 else if (g_type_is_a (type, G_TYPE_BOOLEAN))
140 value->u.gint = g_value_get_boolean (g_value);
141 else if (g_type_is_a (type, G_TYPE_ENUM))
142 value->u.gint = g_value_get_enum (g_value);
143 else if (g_type_is_a (type, G_TYPE_FLAGS))
144 value->u.guint = g_value_get_flags (g_value);
145 else if (g_type_is_a (type, G_TYPE_STRING))
146 value->u.ptr = g_value_dup_string (g_value);
147 else if (g_type_is_a (type, G_TYPE_DOUBLE))
148 value->u.dbl = g_value_get_double (g_value);
149 else if (g_type_is_a (type, G_TYPE_FLOAT))
150 value->u.flt = g_value_get_float (g_value);
153 value->u.ptr = g_slice_new0 (GValue);
154 g_value_init (value->u.ptr, G_VALUE_TYPE (g_value));
155 g_value_copy (g_value, value->u.ptr);
163 _gtk_css_value_new_from_int (gint val)
166 static GtkCssValue *singletons[4] = {NULL};
168 if (val >= 0 && val < G_N_ELEMENTS (singletons))
170 if (singletons[val] == NULL)
172 value = gtk_css_value_new (G_TYPE_INT);
174 singletons[val] = value;
176 return _gtk_css_value_ref (singletons[val]);
179 value = gtk_css_value_new (G_TYPE_INT);
186 _gtk_css_value_new_from_enum (GType type,
191 g_return_val_if_fail (g_type_is_a (type, G_TYPE_ENUM), NULL);
193 value = gtk_css_value_new (type);
200 _gtk_css_value_new_from_double (double d)
204 value = gtk_css_value_new (G_TYPE_DOUBLE);
211 _gtk_css_value_new_take_string (char *string)
215 value = gtk_css_value_new (G_TYPE_STRING);
216 value->u.ptr = string;
222 _gtk_css_value_new_take_strv (char **strv)
226 value = gtk_css_value_new (G_TYPE_STRV);
233 g_boxed_copy0 (GType boxed_type,
234 gconstpointer src_boxed)
236 if (src_boxed == NULL)
238 return g_boxed_copy (boxed_type, src_boxed);
242 _gtk_css_value_new_take_pattern (cairo_pattern_t *v)
246 value = gtk_css_value_new (CAIRO_GOBJECT_TYPE_PATTERN);
253 _gtk_css_value_new_take_shadow (GtkShadow *v)
257 value = gtk_css_value_new (GTK_TYPE_SHADOW);
264 _gtk_css_value_new_take_image (GtkCssImage *v)
268 value = gtk_css_value_new (GTK_TYPE_CSS_IMAGE);
275 _gtk_css_value_new_take_binding_sets (GPtrArray *array)
279 value = gtk_css_value_new (G_TYPE_PTR_ARRAY);
280 value->u.ptr = array;
286 _gtk_css_value_new_from_number (const GtkCssNumber *v)
289 static GtkCssValue *zero_singleton = NULL;
290 static GtkCssValue *px_singletons[5] = {NULL};
292 if (v->unit == GTK_CSS_NUMBER &&
295 if (zero_singleton == NULL)
297 value = gtk_css_value_new (GTK_TYPE_CSS_NUMBER);
298 value->u.ptr = g_boxed_copy0 (GTK_TYPE_CSS_NUMBER, v);
299 zero_singleton = value;
301 return _gtk_css_value_ref (zero_singleton);
304 if (v->unit == GTK_CSS_PX &&
311 int i = round (v->value);
312 if (px_singletons[i] == NULL)
314 value = gtk_css_value_new (GTK_TYPE_CSS_NUMBER);
315 value->u.ptr = g_boxed_copy0 (GTK_TYPE_CSS_NUMBER, v);
316 px_singletons[i] = value;
319 return _gtk_css_value_ref (px_singletons[i]);
322 value = gtk_css_value_new (GTK_TYPE_CSS_NUMBER);
323 value->u.ptr = g_boxed_copy0 (GTK_TYPE_CSS_NUMBER, v);
329 _gtk_css_value_new_from_rgba (const GdkRGBA *v)
333 value = gtk_css_value_new (GDK_TYPE_RGBA);
334 value->u.ptr = g_boxed_copy0 (GDK_TYPE_RGBA, v);
340 _gtk_css_value_new_from_color (const GdkColor *v)
344 value = gtk_css_value_new (GDK_TYPE_COLOR);
345 value->u.ptr = g_boxed_copy0 (GDK_TYPE_COLOR, v);
351 _gtk_css_value_new_from_background_size (const GtkCssBackgroundSize *v)
355 value = gtk_css_value_new (GTK_TYPE_CSS_BACKGROUND_SIZE);
356 value->u.ptr = g_boxed_copy0 (GTK_TYPE_CSS_BACKGROUND_SIZE, v);
362 _gtk_css_value_new_from_background_position (const GtkCssBackgroundPosition *v)
366 value = gtk_css_value_new (GTK_TYPE_CSS_BACKGROUND_POSITION);
367 value->u.ptr = g_boxed_copy0 (GTK_TYPE_CSS_BACKGROUND_POSITION, v);
373 _gtk_css_value_new_from_border_corner_radius (const GtkCssBorderCornerRadius *v)
377 value = gtk_css_value_new (GTK_TYPE_CSS_BORDER_CORNER_RADIUS);
378 value->u.ptr = g_boxed_copy0 (GTK_TYPE_CSS_BORDER_CORNER_RADIUS, v);
384 _gtk_css_value_new_from_border_style (GtkBorderStyle style)
388 value = gtk_css_value_new (GTK_TYPE_BORDER_STYLE);
389 value->u.gint = style;
395 _gtk_css_value_new_take_symbolic_color (GtkSymbolicColor *v)
399 value = gtk_css_value_new (GTK_TYPE_SYMBOLIC_COLOR);
406 _gtk_css_value_alloc (const GtkCssValueClass *klass,
411 value = g_slice_alloc0 (size);
413 value->class = klass;
414 value->ref_count = 1;
420 _gtk_css_value_ref (GtkCssValue *value)
422 g_return_val_if_fail (value != NULL, NULL);
424 g_atomic_int_add (&value->ref_count, 1);
430 _gtk_css_value_unref (GtkCssValue *value)
435 if (!g_atomic_int_dec_and_test (&value->ref_count))
438 value->class->free (value);
442 _gtk_css_value_print (const GtkCssValue *value,
445 g_return_if_fail (value != NULL);
446 g_return_if_fail (string != NULL);
448 value->class->print (value, string);
452 _gtk_css_value_get_content_type (const GtkCssValue *value)
458 _gtk_css_value_holds (const GtkCssValue *value, GType type)
460 return g_type_is_a (value->type, type);
464 fill_gvalue (const GtkCssValue *value,
471 if (g_type_is_a (type, G_TYPE_OBJECT))
472 g_value_set_object (g_value, value->u.ptr);
473 else if (g_type_is_a (type, G_TYPE_BOXED))
474 g_value_set_boxed (g_value, value->u.ptr);
475 else if (g_type_is_a (type, G_TYPE_INT))
476 g_value_set_int (g_value, value->u.gint);
477 else if (g_type_is_a (type, G_TYPE_UINT))
478 g_value_set_uint (g_value, value->u.guint);
479 else if (g_type_is_a (type, G_TYPE_BOOLEAN))
480 g_value_set_boolean (g_value, value->u.gint);
481 else if (g_type_is_a (type, G_TYPE_ENUM))
482 g_value_set_enum (g_value, value->u.gint);
483 else if (g_type_is_a (type, G_TYPE_FLAGS))
484 g_value_set_flags (g_value, value->u.guint);
485 else if (g_type_is_a (type, G_TYPE_STRING))
486 g_value_set_string (g_value, value->u.ptr);
487 else if (g_type_is_a (type, G_TYPE_DOUBLE))
488 g_value_set_double (g_value, value->u.dbl);
489 else if (g_type_is_a (type, G_TYPE_FLOAT))
490 g_value_set_float (g_value, value->u.flt);
492 g_value_copy (value->u.ptr, g_value);
496 _gtk_css_value_init_gvalue (const GtkCssValue *value,
501 g_value_init (g_value, value->type);
502 fill_gvalue (value, g_value);
507 _gtk_css_value_get_number (const GtkCssValue *value)
509 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_NUMBER), NULL);
514 _gtk_css_value_get_symbolic_color (const GtkCssValue *value)
516 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_SYMBOLIC_COLOR), NULL);
521 _gtk_css_value_get_int (const GtkCssValue *value)
523 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_INT), 0);
524 return value->u.gint;
528 _gtk_css_value_get_enum (const GtkCssValue *value)
530 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_ENUM), 0);
531 return value->u.gint;
535 _gtk_css_value_get_double (const GtkCssValue *value)
537 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_DOUBLE), 0);
542 _gtk_css_value_get_string (const GtkCssValue *value)
544 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_STRING), 0);
549 _gtk_css_value_dup_object (const GtkCssValue *value)
551 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_OBJECT), NULL);
553 return g_object_ref (value->u.ptr);
558 _gtk_css_value_get_object (const GtkCssValue *value)
560 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_OBJECT), NULL);
565 _gtk_css_value_get_boxed (const GtkCssValue *value)
567 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_BOXED), NULL);
572 _gtk_css_value_get_strv (const GtkCssValue *value)
574 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_STRV), NULL);
579 _gtk_css_value_get_image (const GtkCssValue *value)
581 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_IMAGE), NULL);
586 _gtk_css_value_get_border_style (const GtkCssValue *value)
588 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_BORDER_STYLE), 0);
589 return value->u.gint;
592 const GtkCssBackgroundSize *
593 _gtk_css_value_get_background_size (const GtkCssValue *value)
595 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_BACKGROUND_SIZE), NULL);
599 const GtkCssBackgroundPosition *
600 _gtk_css_value_get_background_position (const GtkCssValue *value)
602 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_BACKGROUND_POSITION), NULL);
606 const GtkCssBorderImageRepeat *
607 _gtk_css_value_get_border_image_repeat (const GtkCssValue *value)
609 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_BORDER_IMAGE_REPEAT), NULL);
613 const GtkCssBorderCornerRadius *
614 _gtk_css_value_get_border_corner_radius (const GtkCssValue *value)
616 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_BORDER_CORNER_RADIUS), NULL);
621 _gtk_css_value_get_pango_style (const GtkCssValue *value)
623 g_return_val_if_fail (_gtk_css_value_holds (value, PANGO_TYPE_STYLE), 0);
624 return value->u.gint;
628 _gtk_css_value_get_pango_variant (const GtkCssValue *value)
630 g_return_val_if_fail (_gtk_css_value_holds (value, PANGO_TYPE_VARIANT), 0);
631 return value->u.gint;
635 _gtk_css_value_get_pango_weight (const GtkCssValue *value)
637 g_return_val_if_fail (_gtk_css_value_holds (value, PANGO_TYPE_WEIGHT), 0);
638 return value->u.gint;
642 _gtk_css_value_get_rgba (const GtkCssValue *value)
644 g_return_val_if_fail (_gtk_css_value_holds (value, GDK_TYPE_RGBA), NULL);
649 _gtk_css_value_get_pattern (const GtkCssValue *value)
651 g_return_val_if_fail (_gtk_css_value_holds (value, CAIRO_GOBJECT_TYPE_PATTERN), NULL);
656 _gtk_css_value_get_gradient (const GtkCssValue *value)
658 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_GRADIENT), NULL);
663 _gtk_css_value_get_shadow (const GtkCssValue *value)
665 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_SHADOW), NULL);