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));
133 else if (type == GTK_TYPE_CSS_NUMBER)
134 value = _gtk_css_value_new_from_number (g_value_get_boxed (g_value));
137 value = gtk_css_value_new (type);
139 if (g_type_is_a (type, G_TYPE_OBJECT))
140 value->u.ptr = g_value_dup_object (g_value);
141 else if (g_type_is_a (type, G_TYPE_BOXED))
142 value->u.ptr = g_value_dup_boxed (g_value);
143 else if (g_type_is_a (type, G_TYPE_INT))
144 value->u.gint = g_value_get_int (g_value);
145 else if (g_type_is_a (type, G_TYPE_UINT))
146 value->u.guint = g_value_get_uint (g_value);
147 else if (g_type_is_a (type, G_TYPE_BOOLEAN))
148 value->u.gint = g_value_get_boolean (g_value);
149 else if (g_type_is_a (type, G_TYPE_ENUM))
150 value->u.gint = g_value_get_enum (g_value);
151 else if (g_type_is_a (type, G_TYPE_FLAGS))
152 value->u.guint = g_value_get_flags (g_value);
153 else if (g_type_is_a (type, G_TYPE_STRING))
154 value->u.ptr = g_value_dup_string (g_value);
155 else if (g_type_is_a (type, G_TYPE_DOUBLE))
156 value->u.dbl = g_value_get_double (g_value);
157 else if (g_type_is_a (type, G_TYPE_FLOAT))
158 value->u.flt = g_value_get_float (g_value);
161 value->u.ptr = g_slice_new0 (GValue);
162 g_value_init (value->u.ptr, G_VALUE_TYPE (g_value));
163 g_value_copy (g_value, value->u.ptr);
171 _gtk_css_value_new_from_int (gint val)
174 static GtkCssValue *singletons[4] = {NULL};
176 if (val >= 0 && val < G_N_ELEMENTS (singletons))
178 if (singletons[val] == NULL)
180 value = gtk_css_value_new (G_TYPE_INT);
182 singletons[val] = value;
184 return _gtk_css_value_ref (singletons[val]);
187 value = gtk_css_value_new (G_TYPE_INT);
194 _gtk_css_value_new_from_enum (GType type,
199 g_return_val_if_fail (g_type_is_a (type, G_TYPE_ENUM), NULL);
201 value = gtk_css_value_new (type);
208 _gtk_css_value_new_from_double (double d)
212 value = gtk_css_value_new (G_TYPE_DOUBLE);
219 _gtk_css_value_new_take_string (char *string)
223 value = gtk_css_value_new (G_TYPE_STRING);
224 value->u.ptr = string;
230 _gtk_css_value_new_take_strv (char **strv)
234 value = gtk_css_value_new (G_TYPE_STRV);
241 g_boxed_copy0 (GType boxed_type,
242 gconstpointer src_boxed)
244 if (src_boxed == NULL)
246 return g_boxed_copy (boxed_type, src_boxed);
250 _gtk_css_value_new_take_pattern (cairo_pattern_t *v)
254 value = gtk_css_value_new (CAIRO_GOBJECT_TYPE_PATTERN);
261 _gtk_css_value_new_take_shadow (GtkShadow *v)
265 value = gtk_css_value_new (GTK_TYPE_SHADOW);
272 _gtk_css_value_new_take_image (GtkCssImage *v)
276 value = gtk_css_value_new (GTK_TYPE_CSS_IMAGE);
283 _gtk_css_value_new_take_binding_sets (GPtrArray *array)
287 value = gtk_css_value_new (G_TYPE_PTR_ARRAY);
288 value->u.ptr = array;
294 _gtk_css_value_new_from_number (const GtkCssNumber *v)
297 static GtkCssValue *zero_singleton = NULL;
298 static GtkCssValue *px_singletons[5] = {NULL};
300 if (v->unit == GTK_CSS_NUMBER &&
303 if (zero_singleton == NULL)
305 value = gtk_css_value_new (GTK_TYPE_CSS_NUMBER);
306 value->u.ptr = g_boxed_copy0 (GTK_TYPE_CSS_NUMBER, v);
307 zero_singleton = value;
309 return _gtk_css_value_ref (zero_singleton);
312 if (v->unit == GTK_CSS_PX &&
319 int i = round (v->value);
320 if (px_singletons[i] == NULL)
322 value = gtk_css_value_new (GTK_TYPE_CSS_NUMBER);
323 value->u.ptr = g_boxed_copy0 (GTK_TYPE_CSS_NUMBER, v);
324 px_singletons[i] = value;
327 return _gtk_css_value_ref (px_singletons[i]);
330 value = gtk_css_value_new (GTK_TYPE_CSS_NUMBER);
331 value->u.ptr = g_boxed_copy0 (GTK_TYPE_CSS_NUMBER, v);
337 _gtk_css_value_new_from_rgba (const GdkRGBA *v)
341 value = gtk_css_value_new (GDK_TYPE_RGBA);
342 value->u.ptr = g_boxed_copy0 (GDK_TYPE_RGBA, v);
348 _gtk_css_value_new_from_color (const GdkColor *v)
352 value = gtk_css_value_new (GDK_TYPE_COLOR);
353 value->u.ptr = g_boxed_copy0 (GDK_TYPE_COLOR, v);
359 _gtk_css_value_new_from_background_size (const GtkCssBackgroundSize *v)
363 value = gtk_css_value_new (GTK_TYPE_CSS_BACKGROUND_SIZE);
364 value->u.ptr = g_boxed_copy0 (GTK_TYPE_CSS_BACKGROUND_SIZE, v);
370 _gtk_css_value_new_from_background_position (const GtkCssBackgroundPosition *v)
374 value = gtk_css_value_new (GTK_TYPE_CSS_BACKGROUND_POSITION);
375 value->u.ptr = g_boxed_copy0 (GTK_TYPE_CSS_BACKGROUND_POSITION, v);
381 _gtk_css_value_new_from_border_corner_radius (const GtkCssBorderCornerRadius *v)
385 value = gtk_css_value_new (GTK_TYPE_CSS_BORDER_CORNER_RADIUS);
386 value->u.ptr = g_boxed_copy0 (GTK_TYPE_CSS_BORDER_CORNER_RADIUS, v);
392 _gtk_css_value_new_from_border_style (GtkBorderStyle style)
396 value = gtk_css_value_new (GTK_TYPE_BORDER_STYLE);
397 value->u.gint = style;
403 _gtk_css_value_new_take_symbolic_color (GtkSymbolicColor *v)
407 value = gtk_css_value_new (GTK_TYPE_SYMBOLIC_COLOR);
414 _gtk_css_value_alloc (const GtkCssValueClass *klass,
419 value = g_slice_alloc0 (size);
421 value->class = klass;
422 value->ref_count = 1;
428 _gtk_css_value_ref (GtkCssValue *value)
430 g_return_val_if_fail (value != NULL, NULL);
432 g_atomic_int_add (&value->ref_count, 1);
438 _gtk_css_value_unref (GtkCssValue *value)
443 if (!g_atomic_int_dec_and_test (&value->ref_count))
446 value->class->free (value);
450 _gtk_css_value_equal (const GtkCssValue *value1,
451 const GtkCssValue *value2)
453 g_return_val_if_fail (value1 != NULL, FALSE);
454 g_return_val_if_fail (value2 != NULL, FALSE);
456 if (value1->class != value2->class)
459 return value1->class->equal (value1, value2);
463 _gtk_css_value_print (const GtkCssValue *value,
466 g_return_if_fail (value != NULL);
467 g_return_if_fail (string != NULL);
469 value->class->print (value, string);
473 _gtk_css_value_get_content_type (const GtkCssValue *value)
479 _gtk_css_value_holds (const GtkCssValue *value, GType type)
481 return g_type_is_a (value->type, type);
485 fill_gvalue (const GtkCssValue *value,
492 if (g_type_is_a (type, G_TYPE_OBJECT))
493 g_value_set_object (g_value, value->u.ptr);
494 else if (g_type_is_a (type, G_TYPE_BOXED))
495 g_value_set_boxed (g_value, value->u.ptr);
496 else if (g_type_is_a (type, G_TYPE_INT))
497 g_value_set_int (g_value, value->u.gint);
498 else if (g_type_is_a (type, G_TYPE_UINT))
499 g_value_set_uint (g_value, value->u.guint);
500 else if (g_type_is_a (type, G_TYPE_BOOLEAN))
501 g_value_set_boolean (g_value, value->u.gint);
502 else if (g_type_is_a (type, G_TYPE_ENUM))
503 g_value_set_enum (g_value, value->u.gint);
504 else if (g_type_is_a (type, G_TYPE_FLAGS))
505 g_value_set_flags (g_value, value->u.guint);
506 else if (g_type_is_a (type, G_TYPE_STRING))
507 g_value_set_string (g_value, value->u.ptr);
508 else if (g_type_is_a (type, G_TYPE_DOUBLE))
509 g_value_set_double (g_value, value->u.dbl);
510 else if (g_type_is_a (type, G_TYPE_FLOAT))
511 g_value_set_float (g_value, value->u.flt);
513 g_value_copy (value->u.ptr, g_value);
517 _gtk_css_value_init_gvalue (const GtkCssValue *value,
522 g_value_init (g_value, value->type);
523 fill_gvalue (value, g_value);
528 _gtk_css_value_get_number (const GtkCssValue *value)
530 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_NUMBER), NULL);
535 _gtk_css_value_get_symbolic_color (const GtkCssValue *value)
537 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_SYMBOLIC_COLOR), NULL);
542 _gtk_css_value_get_int (const GtkCssValue *value)
544 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_INT), 0);
545 return value->u.gint;
549 _gtk_css_value_get_enum (const GtkCssValue *value)
551 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_ENUM), 0);
552 return value->u.gint;
556 _gtk_css_value_get_double (const GtkCssValue *value)
558 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_DOUBLE), 0);
563 _gtk_css_value_get_string (const GtkCssValue *value)
565 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_STRING), 0);
570 _gtk_css_value_dup_object (const GtkCssValue *value)
572 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_OBJECT), NULL);
574 return g_object_ref (value->u.ptr);
579 _gtk_css_value_get_object (const GtkCssValue *value)
581 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_OBJECT), NULL);
586 _gtk_css_value_get_boxed (const GtkCssValue *value)
588 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_BOXED), NULL);
593 _gtk_css_value_get_strv (const GtkCssValue *value)
595 g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_STRV), NULL);
600 _gtk_css_value_get_image (const GtkCssValue *value)
602 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_IMAGE), NULL);
607 _gtk_css_value_get_border_style (const GtkCssValue *value)
609 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_BORDER_STYLE), 0);
610 return value->u.gint;
613 const GtkCssBackgroundSize *
614 _gtk_css_value_get_background_size (const GtkCssValue *value)
616 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_BACKGROUND_SIZE), NULL);
620 const GtkCssBackgroundPosition *
621 _gtk_css_value_get_background_position (const GtkCssValue *value)
623 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_BACKGROUND_POSITION), NULL);
627 const GtkCssBorderImageRepeat *
628 _gtk_css_value_get_border_image_repeat (const GtkCssValue *value)
630 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_BORDER_IMAGE_REPEAT), NULL);
634 const GtkCssBorderCornerRadius *
635 _gtk_css_value_get_border_corner_radius (const GtkCssValue *value)
637 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_BORDER_CORNER_RADIUS), NULL);
642 _gtk_css_value_get_pango_style (const GtkCssValue *value)
644 g_return_val_if_fail (_gtk_css_value_holds (value, PANGO_TYPE_STYLE), 0);
645 return value->u.gint;
649 _gtk_css_value_get_pango_variant (const GtkCssValue *value)
651 g_return_val_if_fail (_gtk_css_value_holds (value, PANGO_TYPE_VARIANT), 0);
652 return value->u.gint;
656 _gtk_css_value_get_pango_weight (const GtkCssValue *value)
658 g_return_val_if_fail (_gtk_css_value_holds (value, PANGO_TYPE_WEIGHT), 0);
659 return value->u.gint;
663 _gtk_css_value_get_rgba (const GtkCssValue *value)
665 g_return_val_if_fail (_gtk_css_value_holds (value, GDK_TYPE_RGBA), NULL);
670 _gtk_css_value_get_pattern (const GtkCssValue *value)
672 g_return_val_if_fail (_gtk_css_value_holds (value, CAIRO_GOBJECT_TYPE_PATTERN), NULL);
677 _gtk_css_value_get_gradient (const GtkCssValue *value)
679 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_GRADIENT), NULL);
684 _gtk_css_value_get_shadow (const GtkCssValue *value)
686 g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_SHADOW), NULL);