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 GtkStyleContext *context,
49 GtkCssDependencies *dependencies)
52 gboolean changed = FALSE;
54 GtkCssDependencies child_deps;
56 if (value->n_values == 0)
57 return _gtk_css_value_ref (value);
59 result = _gtk_css_array_value_new_from_array (value->values, value->n_values);
60 for (i = 0; i < value->n_values; i++)
62 result->values[i] = _gtk_css_value_compute (value->values[i], property_id, context, &child_deps);
64 *dependencies = _gtk_css_dependencies_union (*dependencies, child_deps);
66 changed |= (result->values[i] != value->values[i]);
71 _gtk_css_value_unref (result);
72 return _gtk_css_value_ref (value);
79 gtk_css_value_array_equal (const GtkCssValue *value1,
80 const GtkCssValue *value2)
84 if (value1->n_values != value2->n_values)
87 for (i = 0; i < value1->n_values; i++)
89 if (!_gtk_css_value_equal (value1->values[i],
98 gcd (guint a, guint b)
110 lcm (guint a, guint b)
112 return a / gcd (a, b) * b;
116 gtk_css_value_array_transition_repeat (GtkCssValue *start,
121 GtkCssValue **transitions;
124 n = lcm (start->n_values, end->n_values);
125 transitions = g_newa (GtkCssValue *, n);
127 for (i = 0; i < n; i++)
129 transitions[i] = _gtk_css_value_transition (start->values[i % start->n_values],
130 end->values[i % end->n_values],
133 if (transitions[i] == NULL)
136 _gtk_css_value_unref (transitions[i]);
141 return _gtk_css_array_value_new_from_array (transitions, n);
145 gtk_css_array_value_create_default_transition_value (guint property_id)
149 case GTK_CSS_PROPERTY_BACKGROUND_IMAGE:
150 return _gtk_css_image_value_new (NULL);
152 g_return_val_if_reached (NULL);
157 gtk_css_value_array_transition_extend (GtkCssValue *start,
162 GtkCssValue **transitions;
165 n = MAX (start->n_values, end->n_values);
166 transitions = g_newa (GtkCssValue *, n);
168 for (i = 0; i < MIN (start->n_values, end->n_values); i++)
170 transitions[i] = _gtk_css_value_transition (start->values[i],
174 if (transitions[i] == NULL)
177 _gtk_css_value_unref (transitions[i]);
182 if (start->n_values != end->n_values)
184 GtkCssValue *default_value;
186 default_value = gtk_css_array_value_create_default_transition_value (property_id);
188 for (; i < start->n_values; i++)
190 transitions[i] = _gtk_css_value_transition (start->values[i],
194 if (transitions[i] == NULL)
197 _gtk_css_value_unref (transitions[i]);
202 for (; i < end->n_values; i++)
204 transitions[i] = _gtk_css_value_transition (default_value,
208 if (transitions[i] == NULL)
211 _gtk_css_value_unref (transitions[i]);
220 return _gtk_css_array_value_new_from_array (transitions, n);
224 gtk_css_value_array_transition (GtkCssValue *start,
231 case GTK_CSS_PROPERTY_BACKGROUND_CLIP:
232 case GTK_CSS_PROPERTY_BACKGROUND_ORIGIN:
233 case GTK_CSS_PROPERTY_BACKGROUND_SIZE:
234 case GTK_CSS_PROPERTY_BACKGROUND_POSITION:
235 case GTK_CSS_PROPERTY_BACKGROUND_REPEAT:
236 return gtk_css_value_array_transition_repeat (start, end, property_id, progress);
237 case GTK_CSS_PROPERTY_BACKGROUND_IMAGE:
238 return gtk_css_value_array_transition_extend (start, end, property_id, progress);
239 case GTK_CSS_PROPERTY_COLOR:
240 case GTK_CSS_PROPERTY_FONT_SIZE:
241 case GTK_CSS_PROPERTY_BACKGROUND_COLOR:
242 case GTK_CSS_PROPERTY_FONT_FAMILY:
243 case GTK_CSS_PROPERTY_FONT_STYLE:
244 case GTK_CSS_PROPERTY_FONT_VARIANT:
245 case GTK_CSS_PROPERTY_FONT_WEIGHT:
246 case GTK_CSS_PROPERTY_TEXT_SHADOW:
247 case GTK_CSS_PROPERTY_ICON_SHADOW:
248 case GTK_CSS_PROPERTY_BOX_SHADOW:
249 case GTK_CSS_PROPERTY_MARGIN_TOP:
250 case GTK_CSS_PROPERTY_MARGIN_LEFT:
251 case GTK_CSS_PROPERTY_MARGIN_BOTTOM:
252 case GTK_CSS_PROPERTY_MARGIN_RIGHT:
253 case GTK_CSS_PROPERTY_PADDING_TOP:
254 case GTK_CSS_PROPERTY_PADDING_LEFT:
255 case GTK_CSS_PROPERTY_PADDING_BOTTOM:
256 case GTK_CSS_PROPERTY_PADDING_RIGHT:
257 case GTK_CSS_PROPERTY_BORDER_TOP_STYLE:
258 case GTK_CSS_PROPERTY_BORDER_TOP_WIDTH:
259 case GTK_CSS_PROPERTY_BORDER_LEFT_STYLE:
260 case GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH:
261 case GTK_CSS_PROPERTY_BORDER_BOTTOM_STYLE:
262 case GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH:
263 case GTK_CSS_PROPERTY_BORDER_RIGHT_STYLE:
264 case GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH:
265 case GTK_CSS_PROPERTY_BORDER_TOP_LEFT_RADIUS:
266 case GTK_CSS_PROPERTY_BORDER_TOP_RIGHT_RADIUS:
267 case GTK_CSS_PROPERTY_BORDER_BOTTOM_RIGHT_RADIUS:
268 case GTK_CSS_PROPERTY_BORDER_BOTTOM_LEFT_RADIUS:
269 case GTK_CSS_PROPERTY_OUTLINE_STYLE:
270 case GTK_CSS_PROPERTY_OUTLINE_WIDTH:
271 case GTK_CSS_PROPERTY_OUTLINE_OFFSET:
272 case GTK_CSS_PROPERTY_BORDER_TOP_COLOR:
273 case GTK_CSS_PROPERTY_BORDER_RIGHT_COLOR:
274 case GTK_CSS_PROPERTY_BORDER_BOTTOM_COLOR:
275 case GTK_CSS_PROPERTY_BORDER_LEFT_COLOR:
276 case GTK_CSS_PROPERTY_OUTLINE_COLOR:
277 case GTK_CSS_PROPERTY_BORDER_IMAGE_SOURCE:
278 case GTK_CSS_PROPERTY_BORDER_IMAGE_REPEAT:
279 case GTK_CSS_PROPERTY_BORDER_IMAGE_SLICE:
280 case GTK_CSS_PROPERTY_BORDER_IMAGE_WIDTH:
281 case GTK_CSS_PROPERTY_ENGINE:
283 /* keep all values that are not arrays here, so we get a warning if we ever turn them
284 * into arrays and start animating them. */
285 g_warning ("Don't know how to transition arrays for property '%s'",
286 _gtk_style_property_get_name (GTK_STYLE_PROPERTY (_gtk_css_style_property_lookup_by_id (property_id))));
287 case GTK_CSS_PROPERTY_TRANSITION_PROPERTY:
288 case GTK_CSS_PROPERTY_TRANSITION_DURATION:
289 case GTK_CSS_PROPERTY_TRANSITION_TIMING_FUNCTION:
290 case GTK_CSS_PROPERTY_TRANSITION_DELAY:
291 case GTK_CSS_PROPERTY_GTK_KEY_BINDINGS:
297 gtk_css_value_array_print (const GtkCssValue *value,
302 if (value->n_values == 0)
304 g_string_append (string, "none");
308 for (i = 0; i < value->n_values; i++)
311 g_string_append (string, ", ");
312 _gtk_css_value_print (value->values[i], string);
316 static const GtkCssValueClass GTK_CSS_VALUE_ARRAY = {
317 gtk_css_value_array_free,
318 gtk_css_value_array_compute,
319 gtk_css_value_array_equal,
320 gtk_css_value_array_transition,
321 gtk_css_value_array_print
325 _gtk_css_array_value_new (GtkCssValue *content)
327 g_return_val_if_fail (content != NULL, NULL);
329 return _gtk_css_array_value_new_from_array (&content, 1);
333 _gtk_css_array_value_new_from_array (GtkCssValue **values,
338 g_return_val_if_fail (values != NULL, NULL);
339 g_return_val_if_fail (n_values > 0, NULL);
341 result = _gtk_css_value_alloc (>K_CSS_VALUE_ARRAY, sizeof (GtkCssValue) + sizeof (GtkCssValue *) * (n_values - 1));
342 result->n_values = n_values;
343 memcpy (&result->values[0], values, sizeof (GtkCssValue *) * n_values);
349 _gtk_css_array_value_parse (GtkCssParser *parser,
350 GtkCssValue *(* parse_func) (GtkCssParser *parser))
352 GtkCssValue *value, *result;
355 values = g_ptr_array_new ();
358 value = parse_func (parser);
362 g_ptr_array_set_free_func (values, (GDestroyNotify) _gtk_css_value_unref);
363 g_ptr_array_free (values, TRUE);
367 g_ptr_array_add (values, value);
368 } while (_gtk_css_parser_try (parser, ",", TRUE));
370 result = _gtk_css_array_value_new_from_array ((GtkCssValue **) values->pdata, values->len);
371 g_ptr_array_free (values, TRUE);
376 _gtk_css_array_value_get_nth (const GtkCssValue *value,
379 g_return_val_if_fail (value != NULL, NULL);
380 g_return_val_if_fail (value->class == >K_CSS_VALUE_ARRAY, NULL);
381 g_return_val_if_fail (value->n_values > 0, NULL);
383 return value->values[i % value->n_values];
387 _gtk_css_array_value_get_n_values (const GtkCssValue *value)
389 g_return_val_if_fail (value != NULL, 0);
390 g_return_val_if_fail (value->class == >K_CSS_VALUE_ARRAY, 0);
392 return value->n_values;