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 "gtkcssenumvalueprivate.h"
22 #include "gtkcsscomputedvaluesprivate.h"
23 #include "gtkcssnumbervalueprivate.h"
24 #include "gtkstyleproviderprivate.h"
35 gtk_css_value_enum_free (GtkCssValue *value)
37 g_slice_free (GtkCssValue, value);
41 gtk_css_value_enum_compute (GtkCssValue *value,
43 GtkStyleProviderPrivate *provider,
44 GtkCssComputedValues *values,
45 GtkCssComputedValues *parent_values,
46 GtkCssDependencies *dependencies)
48 return _gtk_css_value_ref (value);
52 gtk_css_value_enum_equal (const GtkCssValue *enum1,
53 const GtkCssValue *enum2)
55 return enum1 == enum2;
59 gtk_css_value_enum_transition (GtkCssValue *start,
68 gtk_css_value_enum_print (const GtkCssValue *value,
71 g_string_append (string, value->name);
76 static const GtkCssValueClass GTK_CSS_VALUE_BORDER_STYLE = {
77 gtk_css_value_enum_free,
78 gtk_css_value_enum_compute,
79 gtk_css_value_enum_equal,
80 gtk_css_value_enum_transition,
81 gtk_css_value_enum_print
84 static GtkCssValue border_style_values[] = {
85 { >K_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_NONE, "none" },
86 { >K_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_SOLID, "solid" },
87 { >K_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_INSET, "inset" },
88 { >K_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_OUTSET, "outset" },
89 { >K_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_HIDDEN, "hidden" },
90 { >K_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_DOTTED, "dotted" },
91 { >K_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_DASHED, "dashed" },
92 { >K_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_DOUBLE, "double" },
93 { >K_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_GROOVE, "groove" },
94 { >K_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_RIDGE, "ridge" }
98 _gtk_css_border_style_value_new (GtkBorderStyle border_style)
100 g_return_val_if_fail (border_style < G_N_ELEMENTS (border_style_values), NULL);
102 return _gtk_css_value_ref (&border_style_values[border_style]);
106 _gtk_css_border_style_value_try_parse (GtkCssParser *parser)
110 g_return_val_if_fail (parser != NULL, NULL);
112 for (i = 0; i < G_N_ELEMENTS (border_style_values); i++)
114 if (_gtk_css_parser_try (parser, border_style_values[i].name, TRUE))
115 return _gtk_css_value_ref (&border_style_values[i]);
122 _gtk_css_border_style_value_get (const GtkCssValue *value)
124 g_return_val_if_fail (value->class == >K_CSS_VALUE_BORDER_STYLE, GTK_BORDER_STYLE_NONE);
131 /* XXX: Kinda bad to have that machinery here, nobody expects vital font
132 * size code to appear in gtkcssvalueenum.c.
134 #define DEFAULT_FONT_SIZE 10
137 get_default_font_size (GtkStyleProviderPrivate *provider)
139 GtkSettings *settings;
140 PangoFontDescription *description;
144 settings = _gtk_style_provider_private_get_settings (provider);
145 if (settings == NULL)
146 return DEFAULT_FONT_SIZE;
148 g_object_get (settings, "gtk-font-name", &font_name, NULL);
149 description = pango_font_description_from_string (font_name);
151 if (description == NULL)
152 return DEFAULT_FONT_SIZE;
154 if (pango_font_description_get_set_fields (description) & PANGO_FONT_MASK_SIZE)
155 font_size = (double) pango_font_description_get_size (description) / PANGO_SCALE;
157 font_size = DEFAULT_FONT_SIZE;
159 pango_font_description_free (description);
164 gtk_css_value_font_size_compute (GtkCssValue *value,
166 GtkStyleProviderPrivate *provider,
167 GtkCssComputedValues *values,
168 GtkCssComputedValues *parent_values,
169 GtkCssDependencies *dependencies)
173 switch (value->value)
175 case GTK_CSS_FONT_SIZE_XX_SMALL:
176 font_size = get_default_font_size (provider) * 3. / 5;
178 case GTK_CSS_FONT_SIZE_X_SMALL:
179 font_size = get_default_font_size (provider) * 3. / 4;
181 case GTK_CSS_FONT_SIZE_SMALL:
182 font_size = get_default_font_size (provider) * 8. / 9;
185 g_assert_not_reached ();
187 case GTK_CSS_FONT_SIZE_MEDIUM:
188 font_size = get_default_font_size (provider);
190 case GTK_CSS_FONT_SIZE_LARGE:
191 font_size = get_default_font_size (provider) * 6. / 5;
193 case GTK_CSS_FONT_SIZE_X_LARGE:
194 font_size = get_default_font_size (provider) * 3. / 2;
196 case GTK_CSS_FONT_SIZE_XX_LARGE:
197 font_size = get_default_font_size (provider) * 2;
199 case GTK_CSS_FONT_SIZE_SMALLER:
201 font_size = _gtk_css_number_value_get (_gtk_css_computed_values_get_value (parent_values, GTK_CSS_PROPERTY_FONT_SIZE), 100);
203 font_size = get_default_font_size (provider);
204 /* XXX: This is what WebKit does... */
207 case GTK_CSS_FONT_SIZE_LARGER:
209 font_size = _gtk_css_number_value_get (_gtk_css_computed_values_get_value (parent_values, GTK_CSS_PROPERTY_FONT_SIZE), 100);
211 font_size = get_default_font_size (provider);
212 /* XXX: This is what WebKit does... */
217 return _gtk_css_number_value_new (font_size, GTK_CSS_PX);
220 static const GtkCssValueClass GTK_CSS_VALUE_FONT_SIZE = {
221 gtk_css_value_enum_free,
222 gtk_css_value_font_size_compute,
223 gtk_css_value_enum_equal,
224 gtk_css_value_enum_transition,
225 gtk_css_value_enum_print
228 static GtkCssValue font_size_values[] = {
229 { >K_CSS_VALUE_FONT_SIZE, 1, GTK_CSS_FONT_SIZE_XX_SMALL, "xx-small" },
230 { >K_CSS_VALUE_FONT_SIZE, 1, GTK_CSS_FONT_SIZE_X_SMALL, "x-small" },
231 { >K_CSS_VALUE_FONT_SIZE, 1, GTK_CSS_FONT_SIZE_SMALL, "small" },
232 { >K_CSS_VALUE_FONT_SIZE, 1, GTK_CSS_FONT_SIZE_MEDIUM, "medium" },
233 { >K_CSS_VALUE_FONT_SIZE, 1, GTK_CSS_FONT_SIZE_LARGE, "large" },
234 { >K_CSS_VALUE_FONT_SIZE, 1, GTK_CSS_FONT_SIZE_X_LARGE, "x-large" },
235 { >K_CSS_VALUE_FONT_SIZE, 1, GTK_CSS_FONT_SIZE_XX_LARGE, "xx-large" },
236 { >K_CSS_VALUE_FONT_SIZE, 1, GTK_CSS_FONT_SIZE_SMALLER, "smaller" },
237 { >K_CSS_VALUE_FONT_SIZE, 1, GTK_CSS_FONT_SIZE_LARGER, "larger" },
241 _gtk_css_font_size_value_new (GtkCssFontSize font_size)
243 g_return_val_if_fail (font_size < G_N_ELEMENTS (font_size_values), NULL);
245 return _gtk_css_value_ref (&font_size_values[font_size]);
249 _gtk_css_font_size_value_try_parse (GtkCssParser *parser)
253 g_return_val_if_fail (parser != NULL, NULL);
255 for (i = 0; i < G_N_ELEMENTS (font_size_values); i++)
257 if (_gtk_css_parser_try (parser, font_size_values[i].name, TRUE))
258 return _gtk_css_value_ref (&font_size_values[i]);
265 _gtk_css_font_size_value_get (const GtkCssValue *value)
267 g_return_val_if_fail (value->class == >K_CSS_VALUE_FONT_SIZE, GTK_CSS_FONT_SIZE_MEDIUM);
274 static const GtkCssValueClass GTK_CSS_VALUE_FONT_STYLE = {
275 gtk_css_value_enum_free,
276 gtk_css_value_enum_compute,
277 gtk_css_value_enum_equal,
278 gtk_css_value_enum_transition,
279 gtk_css_value_enum_print
282 static GtkCssValue font_style_values[] = {
283 { >K_CSS_VALUE_FONT_STYLE, 1, PANGO_STYLE_NORMAL, "normal" },
284 { >K_CSS_VALUE_FONT_STYLE, 1, PANGO_STYLE_OBLIQUE, "oblique" },
285 { >K_CSS_VALUE_FONT_STYLE, 1, PANGO_STYLE_ITALIC, "italic" }
289 _gtk_css_font_style_value_new (PangoStyle font_style)
291 g_return_val_if_fail (font_style < G_N_ELEMENTS (font_style_values), NULL);
293 return _gtk_css_value_ref (&font_style_values[font_style]);
297 _gtk_css_font_style_value_try_parse (GtkCssParser *parser)
301 g_return_val_if_fail (parser != NULL, NULL);
303 for (i = 0; i < G_N_ELEMENTS (font_style_values); i++)
305 if (_gtk_css_parser_try (parser, font_style_values[i].name, TRUE))
306 return _gtk_css_value_ref (&font_style_values[i]);
313 _gtk_css_font_style_value_get (const GtkCssValue *value)
315 g_return_val_if_fail (value->class == >K_CSS_VALUE_FONT_STYLE, PANGO_STYLE_NORMAL);
322 static const GtkCssValueClass GTK_CSS_VALUE_FONT_VARIANT = {
323 gtk_css_value_enum_free,
324 gtk_css_value_enum_compute,
325 gtk_css_value_enum_equal,
326 gtk_css_value_enum_transition,
327 gtk_css_value_enum_print
330 static GtkCssValue font_variant_values[] = {
331 { >K_CSS_VALUE_FONT_VARIANT, 1, PANGO_VARIANT_NORMAL, "normal" },
332 { >K_CSS_VALUE_FONT_VARIANT, 1, PANGO_VARIANT_SMALL_CAPS, "small-caps" }
336 _gtk_css_font_variant_value_new (PangoVariant font_variant)
338 g_return_val_if_fail (font_variant < G_N_ELEMENTS (font_variant_values), NULL);
340 return _gtk_css_value_ref (&font_variant_values[font_variant]);
344 _gtk_css_font_variant_value_try_parse (GtkCssParser *parser)
348 g_return_val_if_fail (parser != NULL, NULL);
350 for (i = 0; i < G_N_ELEMENTS (font_variant_values); i++)
352 if (_gtk_css_parser_try (parser, font_variant_values[i].name, TRUE))
353 return _gtk_css_value_ref (&font_variant_values[i]);
360 _gtk_css_font_variant_value_get (const GtkCssValue *value)
362 g_return_val_if_fail (value->class == >K_CSS_VALUE_FONT_VARIANT, PANGO_VARIANT_NORMAL);
369 static const GtkCssValueClass GTK_CSS_VALUE_FONT_WEIGHT = {
370 gtk_css_value_enum_free,
371 gtk_css_value_enum_compute,
372 gtk_css_value_enum_equal,
373 gtk_css_value_enum_transition,
374 gtk_css_value_enum_print
377 static GtkCssValue font_weight_values[] = {
378 { >K_CSS_VALUE_FONT_WEIGHT, 1, PANGO_WEIGHT_THIN, "100" },
379 { >K_CSS_VALUE_FONT_WEIGHT, 1, PANGO_WEIGHT_ULTRALIGHT, "200" },
380 { >K_CSS_VALUE_FONT_WEIGHT, 1, PANGO_WEIGHT_LIGHT, "300" },
381 { >K_CSS_VALUE_FONT_WEIGHT, 1, PANGO_WEIGHT_NORMAL, "normal" },
382 { >K_CSS_VALUE_FONT_WEIGHT, 1, PANGO_WEIGHT_MEDIUM, "500" },
383 { >K_CSS_VALUE_FONT_WEIGHT, 1, PANGO_WEIGHT_SEMIBOLD, "600" },
384 { >K_CSS_VALUE_FONT_WEIGHT, 1, PANGO_WEIGHT_BOLD, "bold" },
385 { >K_CSS_VALUE_FONT_WEIGHT, 1, PANGO_WEIGHT_ULTRABOLD, "800" },
386 { >K_CSS_VALUE_FONT_WEIGHT, 1, PANGO_WEIGHT_HEAVY, "900" }
390 _gtk_css_font_weight_value_new (PangoWeight font_weight)
395 w = ((font_weight + 50) / 100) * 100;
397 for (i = 0; i < G_N_ELEMENTS (font_weight_values); i++)
399 if (font_weight_values[i].value == w)
400 return _gtk_css_value_ref (&font_weight_values[i]);
403 g_return_val_if_reached (NULL);
407 _gtk_css_font_weight_value_try_parse (GtkCssParser *parser)
411 g_return_val_if_fail (parser != NULL, NULL);
413 for (i = 0; i < G_N_ELEMENTS (font_weight_values); i++)
415 if (_gtk_css_parser_try (parser, font_weight_values[i].name, TRUE))
416 return _gtk_css_value_ref (&font_weight_values[i]);
418 /* special cases go here */
419 if (_gtk_css_parser_try (parser, "400", TRUE))
420 return _gtk_css_value_ref (&font_weight_values[3]);
421 if (_gtk_css_parser_try (parser, "700", TRUE))
422 return _gtk_css_value_ref (&font_weight_values[6]);
428 _gtk_css_font_weight_value_get (const GtkCssValue *value)
430 g_return_val_if_fail (value->class == >K_CSS_VALUE_FONT_WEIGHT, PANGO_WEIGHT_NORMAL);
437 static const GtkCssValueClass GTK_CSS_VALUE_AREA = {
438 gtk_css_value_enum_free,
439 gtk_css_value_enum_compute,
440 gtk_css_value_enum_equal,
441 gtk_css_value_enum_transition,
442 gtk_css_value_enum_print
445 static GtkCssValue area_values[] = {
446 { >K_CSS_VALUE_AREA, 1, GTK_CSS_AREA_BORDER_BOX, "border-box" },
447 { >K_CSS_VALUE_AREA, 1, GTK_CSS_AREA_PADDING_BOX, "padding-box" },
448 { >K_CSS_VALUE_AREA, 1, GTK_CSS_AREA_CONTENT_BOX, "content-box" }
452 _gtk_css_area_value_new (GtkCssArea area)
456 for (i = 0; i < G_N_ELEMENTS (area_values); i++)
458 if (area_values[i].value == area)
459 return _gtk_css_value_ref (&area_values[i]);
462 g_return_val_if_reached (NULL);
466 _gtk_css_area_value_try_parse (GtkCssParser *parser)
470 g_return_val_if_fail (parser != NULL, NULL);
472 for (i = 0; i < G_N_ELEMENTS (area_values); i++)
474 if (_gtk_css_parser_try (parser, area_values[i].name, TRUE))
475 return _gtk_css_value_ref (&area_values[i]);
482 _gtk_css_area_value_get (const GtkCssValue *value)
484 g_return_val_if_fail (value->class == >K_CSS_VALUE_AREA, GTK_CSS_AREA_BORDER_BOX);
489 /* GtkCssDirection */
491 static const GtkCssValueClass GTK_CSS_VALUE_DIRECTION = {
492 gtk_css_value_enum_free,
493 gtk_css_value_enum_compute,
494 gtk_css_value_enum_equal,
495 gtk_css_value_enum_transition,
496 gtk_css_value_enum_print
499 static GtkCssValue direction_values[] = {
500 { >K_CSS_VALUE_DIRECTION, 1, GTK_CSS_DIRECTION_NORMAL, "normal" },
501 { >K_CSS_VALUE_DIRECTION, 1, GTK_CSS_DIRECTION_REVERSE, "reverse" },
502 { >K_CSS_VALUE_DIRECTION, 1, GTK_CSS_DIRECTION_ALTERNATE, "alternate" },
503 { >K_CSS_VALUE_DIRECTION, 1, GTK_CSS_DIRECTION_ALTERNATE_REVERSE, "alternate-reverse" }
507 _gtk_css_direction_value_new (GtkCssDirection direction)
511 for (i = 0; i < G_N_ELEMENTS (direction_values); i++)
513 if (direction_values[i].value == direction)
514 return _gtk_css_value_ref (&direction_values[i]);
517 g_return_val_if_reached (NULL);
521 _gtk_css_direction_value_try_parse (GtkCssParser *parser)
525 g_return_val_if_fail (parser != NULL, NULL);
527 for (i = 0; i < G_N_ELEMENTS (direction_values); i++)
529 if (_gtk_css_parser_try (parser, direction_values[i].name, TRUE))
530 return _gtk_css_value_ref (&direction_values[i]);
537 _gtk_css_direction_value_get (const GtkCssValue *value)
539 g_return_val_if_fail (value->class == >K_CSS_VALUE_DIRECTION, GTK_CSS_DIRECTION_NORMAL);
544 /* GtkCssPlayState */
546 static const GtkCssValueClass GTK_CSS_VALUE_PLAY_STATE = {
547 gtk_css_value_enum_free,
548 gtk_css_value_enum_compute,
549 gtk_css_value_enum_equal,
550 gtk_css_value_enum_transition,
551 gtk_css_value_enum_print
554 static GtkCssValue play_state_values[] = {
555 { >K_CSS_VALUE_PLAY_STATE, 1, GTK_CSS_PLAY_STATE_RUNNING, "running" },
556 { >K_CSS_VALUE_PLAY_STATE, 1, GTK_CSS_PLAY_STATE_PAUSED, "paused" }
560 _gtk_css_play_state_value_new (GtkCssPlayState play_state)
564 for (i = 0; i < G_N_ELEMENTS (play_state_values); i++)
566 if (play_state_values[i].value == play_state)
567 return _gtk_css_value_ref (&play_state_values[i]);
570 g_return_val_if_reached (NULL);
574 _gtk_css_play_state_value_try_parse (GtkCssParser *parser)
578 g_return_val_if_fail (parser != NULL, NULL);
580 for (i = 0; i < G_N_ELEMENTS (play_state_values); i++)
582 if (_gtk_css_parser_try (parser, play_state_values[i].name, TRUE))
583 return _gtk_css_value_ref (&play_state_values[i]);
590 _gtk_css_play_state_value_get (const GtkCssValue *value)
592 g_return_val_if_fail (value->class == >K_CSS_VALUE_PLAY_STATE, GTK_CSS_PLAY_STATE_RUNNING);
599 static const GtkCssValueClass GTK_CSS_VALUE_FILL_MODE = {
600 gtk_css_value_enum_free,
601 gtk_css_value_enum_compute,
602 gtk_css_value_enum_equal,
603 gtk_css_value_enum_transition,
604 gtk_css_value_enum_print
607 static GtkCssValue fill_mode_values[] = {
608 { >K_CSS_VALUE_FILL_MODE, 1, GTK_CSS_FILL_NONE, "none" },
609 { >K_CSS_VALUE_FILL_MODE, 1, GTK_CSS_FILL_FORWARDS, "forwards" },
610 { >K_CSS_VALUE_FILL_MODE, 1, GTK_CSS_FILL_BACKWARDS, "backwards" },
611 { >K_CSS_VALUE_FILL_MODE, 1, GTK_CSS_FILL_BOTH, "both" }
615 _gtk_css_fill_mode_value_new (GtkCssFillMode fill_mode)
619 for (i = 0; i < G_N_ELEMENTS (fill_mode_values); i++)
621 if (fill_mode_values[i].value == fill_mode)
622 return _gtk_css_value_ref (&fill_mode_values[i]);
625 g_return_val_if_reached (NULL);
629 _gtk_css_fill_mode_value_try_parse (GtkCssParser *parser)
633 g_return_val_if_fail (parser != NULL, NULL);
635 for (i = 0; i < G_N_ELEMENTS (fill_mode_values); i++)
637 if (_gtk_css_parser_try (parser, fill_mode_values[i].name, TRUE))
638 return _gtk_css_value_ref (&fill_mode_values[i]);
645 _gtk_css_fill_mode_value_get (const GtkCssValue *value)
647 g_return_val_if_fail (value->class == >K_CSS_VALUE_FILL_MODE, GTK_CSS_FILL_NONE);