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 "gtkcssarrayvalueprivate.h"
21 #include "gtkcssimagevalueprivate.h"
22 #include "gtkcssstylepropertyprivate.h"
29 GtkCssValue *values[1];
33 gtk_css_value_array_free (GtkCssValue *value)
37 for (i = 0; i < value->n_values; i++)
39 _gtk_css_value_unref (value->values[i]);
42 g_slice_free1 (sizeof (GtkCssValue) + sizeof (GtkCssValue *) * (value->n_values - 1), value);
46 gtk_css_value_array_compute (GtkCssValue *value,
48 GtkStyleProviderPrivate *provider,
49 GtkCssComputedValues *values,
50 GtkCssComputedValues *parent_values,
51 GtkCssDependencies *dependencies)
56 GtkCssDependencies child_deps;
59 for (i = 0; i < value->n_values; i++)
61 i_value = _gtk_css_value_compute (value->values[i], property_id, provider, values, parent_values, &child_deps);
63 *dependencies = _gtk_css_dependencies_union (*dependencies, child_deps);
66 i_value != value->values[i])
68 result = _gtk_css_array_value_new_from_array (value->values, value->n_values);
69 for (j = 0; j < i; j++)
70 _gtk_css_value_ref (result->values[j]);
74 result->values[i] = i_value;
76 _gtk_css_value_unref (i_value);
80 return _gtk_css_value_ref (value);
86 gtk_css_value_array_equal (const GtkCssValue *value1,
87 const GtkCssValue *value2)
91 if (value1->n_values != value2->n_values)
94 for (i = 0; i < value1->n_values; i++)
96 if (!_gtk_css_value_equal (value1->values[i],
105 gcd (guint a, guint b)
117 lcm (guint a, guint b)
119 return a / gcd (a, b) * b;
123 gtk_css_value_array_transition_repeat (GtkCssValue *start,
128 GtkCssValue **transitions;
131 n = lcm (start->n_values, end->n_values);
132 transitions = g_newa (GtkCssValue *, n);
134 for (i = 0; i < n; i++)
136 transitions[i] = _gtk_css_value_transition (start->values[i % start->n_values],
137 end->values[i % end->n_values],
140 if (transitions[i] == NULL)
143 _gtk_css_value_unref (transitions[i]);
148 return _gtk_css_array_value_new_from_array (transitions, n);
152 gtk_css_array_value_create_default_transition_value (guint property_id)
156 case GTK_CSS_PROPERTY_BACKGROUND_IMAGE:
157 return _gtk_css_image_value_new (NULL);
159 g_return_val_if_reached (NULL);
164 gtk_css_value_array_transition_extend (GtkCssValue *start,
169 GtkCssValue **transitions;
172 n = MAX (start->n_values, end->n_values);
173 transitions = g_newa (GtkCssValue *, n);
175 for (i = 0; i < MIN (start->n_values, end->n_values); i++)
177 transitions[i] = _gtk_css_value_transition (start->values[i],
181 if (transitions[i] == NULL)
184 _gtk_css_value_unref (transitions[i]);
189 if (start->n_values != end->n_values)
191 GtkCssValue *default_value;
193 default_value = gtk_css_array_value_create_default_transition_value (property_id);
195 for (; i < start->n_values; i++)
197 transitions[i] = _gtk_css_value_transition (start->values[i],
201 if (transitions[i] == NULL)
204 _gtk_css_value_unref (transitions[i]);
209 for (; i < end->n_values; i++)
211 transitions[i] = _gtk_css_value_transition (default_value,
215 if (transitions[i] == NULL)
218 _gtk_css_value_unref (transitions[i]);
227 return _gtk_css_array_value_new_from_array (transitions, n);
231 gtk_css_value_array_transition (GtkCssValue *start,
238 case GTK_CSS_PROPERTY_BACKGROUND_CLIP:
239 case GTK_CSS_PROPERTY_BACKGROUND_ORIGIN:
240 case GTK_CSS_PROPERTY_BACKGROUND_SIZE:
241 case GTK_CSS_PROPERTY_BACKGROUND_POSITION:
242 case GTK_CSS_PROPERTY_BACKGROUND_REPEAT:
243 return gtk_css_value_array_transition_repeat (start, end, property_id, progress);
244 case GTK_CSS_PROPERTY_BACKGROUND_IMAGE:
245 return gtk_css_value_array_transition_extend (start, end, property_id, progress);
246 case GTK_CSS_PROPERTY_COLOR:
247 case GTK_CSS_PROPERTY_FONT_SIZE:
248 case GTK_CSS_PROPERTY_BACKGROUND_COLOR:
249 case GTK_CSS_PROPERTY_FONT_FAMILY:
250 case GTK_CSS_PROPERTY_FONT_STYLE:
251 case GTK_CSS_PROPERTY_FONT_VARIANT:
252 case GTK_CSS_PROPERTY_FONT_WEIGHT:
253 case GTK_CSS_PROPERTY_TEXT_SHADOW:
254 case GTK_CSS_PROPERTY_ICON_SHADOW:
255 case GTK_CSS_PROPERTY_BOX_SHADOW:
256 case GTK_CSS_PROPERTY_MARGIN_TOP:
257 case GTK_CSS_PROPERTY_MARGIN_LEFT:
258 case GTK_CSS_PROPERTY_MARGIN_BOTTOM:
259 case GTK_CSS_PROPERTY_MARGIN_RIGHT:
260 case GTK_CSS_PROPERTY_PADDING_TOP:
261 case GTK_CSS_PROPERTY_PADDING_LEFT:
262 case GTK_CSS_PROPERTY_PADDING_BOTTOM:
263 case GTK_CSS_PROPERTY_PADDING_RIGHT:
264 case GTK_CSS_PROPERTY_BORDER_TOP_STYLE:
265 case GTK_CSS_PROPERTY_BORDER_TOP_WIDTH:
266 case GTK_CSS_PROPERTY_BORDER_LEFT_STYLE:
267 case GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH:
268 case GTK_CSS_PROPERTY_BORDER_BOTTOM_STYLE:
269 case GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH:
270 case GTK_CSS_PROPERTY_BORDER_RIGHT_STYLE:
271 case GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH:
272 case GTK_CSS_PROPERTY_BORDER_TOP_LEFT_RADIUS:
273 case GTK_CSS_PROPERTY_BORDER_TOP_RIGHT_RADIUS:
274 case GTK_CSS_PROPERTY_BORDER_BOTTOM_RIGHT_RADIUS:
275 case GTK_CSS_PROPERTY_BORDER_BOTTOM_LEFT_RADIUS:
276 case GTK_CSS_PROPERTY_OUTLINE_STYLE:
277 case GTK_CSS_PROPERTY_OUTLINE_WIDTH:
278 case GTK_CSS_PROPERTY_OUTLINE_OFFSET:
279 case GTK_CSS_PROPERTY_BORDER_TOP_COLOR:
280 case GTK_CSS_PROPERTY_BORDER_RIGHT_COLOR:
281 case GTK_CSS_PROPERTY_BORDER_BOTTOM_COLOR:
282 case GTK_CSS_PROPERTY_BORDER_LEFT_COLOR:
283 case GTK_CSS_PROPERTY_OUTLINE_COLOR:
284 case GTK_CSS_PROPERTY_BORDER_IMAGE_SOURCE:
285 case GTK_CSS_PROPERTY_BORDER_IMAGE_REPEAT:
286 case GTK_CSS_PROPERTY_BORDER_IMAGE_SLICE:
287 case GTK_CSS_PROPERTY_BORDER_IMAGE_WIDTH:
288 case GTK_CSS_PROPERTY_ENGINE:
290 /* keep all values that are not arrays here, so we get a warning if we ever turn them
291 * into arrays and start animating them. */
292 g_warning ("Don't know how to transition arrays for property '%s'",
293 _gtk_style_property_get_name (GTK_STYLE_PROPERTY (_gtk_css_style_property_lookup_by_id (property_id))));
294 case GTK_CSS_PROPERTY_TRANSITION_PROPERTY:
295 case GTK_CSS_PROPERTY_TRANSITION_DURATION:
296 case GTK_CSS_PROPERTY_TRANSITION_TIMING_FUNCTION:
297 case GTK_CSS_PROPERTY_TRANSITION_DELAY:
298 case GTK_CSS_PROPERTY_GTK_KEY_BINDINGS:
304 gtk_css_value_array_print (const GtkCssValue *value,
309 if (value->n_values == 0)
311 g_string_append (string, "none");
315 for (i = 0; i < value->n_values; i++)
318 g_string_append (string, ", ");
319 _gtk_css_value_print (value->values[i], string);
323 static const GtkCssValueClass GTK_CSS_VALUE_ARRAY = {
324 gtk_css_value_array_free,
325 gtk_css_value_array_compute,
326 gtk_css_value_array_equal,
327 gtk_css_value_array_transition,
328 gtk_css_value_array_print
332 _gtk_css_array_value_new (GtkCssValue *content)
334 g_return_val_if_fail (content != NULL, NULL);
336 return _gtk_css_array_value_new_from_array (&content, 1);
340 _gtk_css_array_value_new_from_array (GtkCssValue **values,
345 g_return_val_if_fail (values != NULL, NULL);
346 g_return_val_if_fail (n_values > 0, NULL);
348 result = _gtk_css_value_alloc (>K_CSS_VALUE_ARRAY, sizeof (GtkCssValue) + sizeof (GtkCssValue *) * (n_values - 1));
349 result->n_values = n_values;
350 memcpy (&result->values[0], values, sizeof (GtkCssValue *) * n_values);
356 _gtk_css_array_value_parse (GtkCssParser *parser,
357 GtkCssValue *(* parse_func) (GtkCssParser *parser))
359 GtkCssValue *value, *result;
362 values = g_ptr_array_new ();
365 value = parse_func (parser);
369 g_ptr_array_set_free_func (values, (GDestroyNotify) _gtk_css_value_unref);
370 g_ptr_array_free (values, TRUE);
374 g_ptr_array_add (values, value);
375 } while (_gtk_css_parser_try (parser, ",", TRUE));
377 result = _gtk_css_array_value_new_from_array ((GtkCssValue **) values->pdata, values->len);
378 g_ptr_array_free (values, TRUE);
383 _gtk_css_array_value_get_nth (const GtkCssValue *value,
386 g_return_val_if_fail (value != NULL, NULL);
387 g_return_val_if_fail (value->class == >K_CSS_VALUE_ARRAY, NULL);
388 g_return_val_if_fail (value->n_values > 0, NULL);
390 return value->values[i % value->n_values];
394 _gtk_css_array_value_get_n_values (const GtkCssValue *value)
396 g_return_val_if_fail (value != NULL, 0);
397 g_return_val_if_fail (value->class == >K_CSS_VALUE_ARRAY, 0);
399 return value->n_values;