1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 2010 Carlos Garnacho <carlosg@gnome.org>
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, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
25 #include <gtkstyleprovider.h>
26 #include <gdk-pixbuf/gdk-pixbuf.h>
27 #include <cairo-gobject.h>
29 #include "gtkanimationdescription.h"
30 #include "gtk9slice.h"
31 #include "gtkcssprovider.h"
34 * SECTION:gtkcssprovider
35 * @Short_description: CSS-like styling for widgets
36 * @Title: GtkCssProvider
37 * @See_also: #GtkStyleContext, #GtkStyleProvider
39 * #GtkCssProvider is an object implementing #GtkStyleProvider, it is able
40 * to parse <ulink url="http://www.w3.org/TR/CSS2">CSS</ulink>-like input
41 * in order to style widgets.
43 * <refsect2 id="gtkcssprovider-files">
44 * <title>Default files</title>
46 * An application can cause GTK+ to parse a specific CSS style sheet by
47 * calling gtk_css_provider_load_from_file() and adding the provider with
48 * gtk_style_context_add_provider() or gtk_style_context_add_provider_for_screen().
49 * In addition, certain files will be read when GTK+ is initialized. First,
50 * the file <filename><replaceable>HOME</replaceable>/.gtk-3.0.css</filename>
51 * is loaded if it exists. Then, GTK+ tries to load
52 * <filename><replaceable>HOME</replaceable>/.themes/<replaceable>theme-name</replaceable>/gtk-3.0/gtk.css</filename>,
54 * <filename><replaceable>GTK_DATA_PREFIX</replaceable>/share/themes/<replaceable>theme-name</replaceable>/gtk-3.0/gtk.css</filename>,
55 * where <replaceable>theme-name</replaceable> is the name of the current theme
56 * (see the #GtkSettings:gtk-theme-name setting) and <replaceable>GTK_DATA_PREFIX</replaceable>
57 * is the prefix configured when GTK+ was compiled, unless overridden by the
58 * <envar>GTK_DATA_PREFIX</envar> environment variable.
61 * <refsect2 id="gtkcssprovider-stylesheets">
62 * <title>Style sheets</title>
64 * The basic structure of the style sheets understood by this provider is
65 * a series of statements, which are either rule sets or '@-rules', separated
69 * A rule set consists of a selector and a declaration block, which is
70 * a series of declarations enclosed in curly braces ({ and }). The
71 * declarations are separated by semicolons (;). Multiple selectors can
72 * share the same declaration block, by putting all the separators in
73 * front of the block, separated by commas.
75 * <example><title>A rule set with two selectors</title>
76 * <programlisting language="text">
77 * GtkButton, GtkEntry {
84 * <refsect2 id="gtkcssprovider-selectors">
85 * <title>Selectors</title>
87 * Selectors work very similar to the way they do in CSS, with widget class
88 * names taking the role of element names, and widget names taking the role
89 * of IDs. When used in a selector, widget names must be prefixed with a
90 * '#' character. The '*' character represents the so-called universal
91 * selector, which matches any widget.
94 * To express more complicated situations, selectors can be combined in
97 * <listitem><para>To require that a widget satisfies several conditions,
98 * combine several selectors into one by concatenating them. E.g.
99 * <literal>GtkButton#button1</literal> matches a GtkButton widget
100 * with the name button1.</para></listitem>
101 * <listitem><para>To only match a widget when it occurs inside some other
102 * widget, write the two selectors after each other, separated by whitespace.
103 * E.g. <literal>GtkToolBar GtkButton</literal> matches GtkButton widgets
104 * that occur inside a GtkToolBar.</para></listitem>
105 * <listitem><para>In the previous example, the GtkButton is matched even
106 * if it occurs deeply nested inside the toolbar. To restrict the match
107 * to direct children of the parent widget, insert a '>' character between
108 * the two selectors. E.g. <literal>GtkNotebook > GtkLabel</literal> matches
109 * GtkLabel widgets that are direct children of a GtkNotebook.</para></listitem>
113 * <title>Widget classes and names in selectors</title>
114 * <programlisting language="text">
115 * /* Theme labels that are descendants of a window */
116 * GtkWindow GtkLabel {
117 * background-color: #898989
120 * /* Theme notebooks, and anything that's within these */
122 * background-color: #a939f0
125 * /* Theme combo boxes, and entries that
126 * are direct children of a notebook */
128 * GtkNotebook > GtkEntry {
130 * background-color: #1209a2
133 * /* Theme any widget within a GtkBin */
138 * /* Theme a label named title-label */
139 * GtkLabel#title-label {
143 * /* Theme any widget named main-entry */
145 * background-color: #f0a810
150 * Widgets may also define style classes, which can be used for matching.
151 * When used in a selector, style classes must be prefixed with a '.'
155 * Refer to the documentation of individual widgets to learn which
156 * style classes they define.
159 * <title>Style classes in selectors</title>
160 * <programlisting language="text">
161 * /* Theme all widgets defining the class entry */
163 * color: #39f1f9;
166 * /* Theme spinbuttons' entry */
167 * GtkSpinButton.entry {
173 * In complicated widgets like e.g. a GtkNotebook, it may be desirable
174 * to style different parts of the widget differently. To make this
175 * possible, container widgets may define regions, whose names
176 * may be used for matching in selectors.
179 * Some containers allow to further differentiate between regions by
180 * applying so-called pseudo-classes to the region. For example, the
181 * tab region in GtkNotebook allows to single out the first or last
182 * tab by using the :first-child or :last-child pseudo-class.
183 * When used in selectors, pseudo-classes must be prefixed with a
187 * Refer to the documentation of individual widgets to learn which
188 * regions and pseudo-classes they define.
191 * <title>Regions in selectors</title>
192 * <programlisting language="text">
193 * /* Theme any label within a notebook */
194 * GtkNotebook GtkLabel {
195 * color: #f90192;
198 * /* Theme labels within notebook tabs */
199 * GtkNotebook tab GtkLabel {
200 * color: #703910;
203 * /* Theme labels in the any first notebook
204 * tab, both selectors are equivalent */
205 * GtkNotebook tab:nth-child(first) GtkLabel,
206 * GtkNotebook tab:first-child GtkLabel {
207 * color: #89d012;
212 * Another use of pseudo-classes is to match widgets depending on their
213 * state. This is conceptually similar to the :hover, :active or :focus
214 * pseudo-classes in CSS. The available pseudo-classes for widget states
215 * are :active, :prelight (or :hover), :insensitive, :selected, :focused
219 * <title>Styling specific widget states</title>
220 * <programlisting language="text">
221 * /* Theme active (pressed) buttons */
223 * background-color: #0274d9;
226 * /* Theme buttons with the mouse pointer on it,
227 * both are equivalent */
229 * GtkButton:prelight {
230 * background-color: #3085a9;
233 * /* Theme insensitive widgets, both are equivalent */
236 * background-color: #320a91;
239 * /* Theme selection colors in entries */
240 * GtkEntry:selected {
241 * background-color: #56f9a0;
244 * /* Theme focused labels */
246 * background-color: #b4940f;
249 * /* Theme inconsistent checkbuttons */
250 * GtkCheckButton:inconsistent {
251 * background-color: #20395a;
256 * Widget state pseudoclasses may only apply to the last element
260 * To determine the effective style for a widget, all the matching rule
261 * sets are merged. As in CSS, rules apply by specificity, so the rules
262 * whose selectors more closely match a widget path will take precedence
266 * <refsect2 id="gtkcssprovider-rules">
267 * <title>@ Rules</title>
269 * GTK+'s CSS supports the @import rule, in order to load another
270 * CSS style sheet in addition to the currently parsed one.
273 * <title>Using the @import rule</title>
274 * <programlisting language="text">
275 * @import url ("path/to/common.css");
279 * GTK+ also supports an additional @define-color rule, in order
280 * to define a color name which may be used instead of color numeric
281 * representations. Also see the #GtkSettings:gtk-color-scheme setting
282 * for a way to override the values of these named colors.
285 * <title>Defining colors</title>
286 * <programlisting language="text">
287 * @define-color bg_color #f9a039;
290 * background-color: @bg_color;
295 * <refsect2 id="gtkcssprovider-symbolic-colors">
296 * <title>Symbolic colors</title>
298 * Besides being able to define color names, the CSS parser is also able
299 * to read different color expressions, which can also be nested, providing
300 * a rich language to define colors which are derived from a set of base
304 * <title>Using symbolic colors</title>
305 * <programlisting language="text">
306 * @define-color entry-color shade (@bg_color, 0.7);
309 * background-color: @entry-color;
313 * background-color: mix (@entry-color,
314 * shade (#fff, 0.5),
320 * The various ways to express colors in GTK+ CSS are:
326 * <entry>Syntax</entry>
327 * <entry>Explanation</entry>
328 * <entry>Examples</entry>
333 * <entry>rgb(@r, @g, @b)</entry>
334 * <entry>An opaque color; @r, @g, @b can be either integers between 0 and 255 or percentages</entry>
335 * <entry>rgb(128, 10, 54)
336 * rgb(20%, 30%, 0%)</entry>
339 * <entry>rgba(@r, @g, @b, @a)</entry>
340 * <entry>A translucent color; @r, @g, @b are as in the previous row, @a is a floating point number between 0 and 1</entry>
341 * <entry>rgba(255, 255, 0, 0.5)</entry>
344 * <entry>#@xxyyzz</entry>
345 * <entry>An opaque color; @xx, @yy, @zz are hexadecimal numbers specifying @r, @g, @b
346 * variants with between 1 and 4 hexadecimal digits per component are allowed</entry>
351 * <entry>@name</entry>
352 * <entry>Reference to a color that has been defined with @define-color</entry>
353 * <entry>@bg_color</entry>
356 * <entry>mix(@color1, @color2, @f)</entry>
357 * <entry>A linear combination of @color1 and @color2. @f is a floating point number between 0 and 1.</entry>
358 * <entry>mix(#ff1e0a, @bg_color, 0.8)</entry>
361 * <entry>shade(@color, @f)</entry>
362 * <entry>A lighter or darker variant of @color. @f is a floating point number.</entry>
363 * <entry>shade(@fg_color, 0.5)</entry>
366 * <entry>lighter(@color)</entry>
367 * <entry>A lighter variant of @color</entry>
370 * <entry>darker(@color)</entry>
371 * <entry>A darker variant of @color</entry>
377 * <refsect2 id="gtkcssprovider-properties">
378 * <title>Supported properties</title>
380 * Properties are the part that differ the most to common CSS,
381 * not all properties are supported (some are planned to be
382 * supported eventually, some others are meaningless or don't
383 * map intuitively in a widget based environment).
386 * There is also a difference in shorthand properties, for
387 * example in common CSS it is fine to define a font through
388 * the different @font-family, @font-style, @font-size
389 * properties, meanwhile in GTK+'s CSS only the canonical
390 * @font property is supported.
393 * The currently supported properties are:
399 * <entry>Property name</entry>
400 * <entry>Syntax</entry>
401 * <entry>Maps to</entry>
402 * <entry>Examples</entry>
407 * <entry>engine</entry>
408 * <entry><programlisting>engine-name</programlisting></entry>
409 * <entry>#GtkThemingEngine</entry>
410 * <entry><programlisting>engine: clearlooks;</programlisting></entry>
413 * <entry>background-color</entry>
414 * <entry morerows="1"><programlisting>color</programlisting></entry>
415 * <entry morerows="1">#GdkRGBA</entry>
416 * <entry morerows="1">
418 * background-color: #fff;
419 * color: @color-name;
420 * background-color: shade (@color-name, 0.5);
421 * color: mix (@color-name, #f0f, 0.8);</programlisting>
425 * <entry>color</entry>
428 * <entry>font</entry>
429 * <entry><programlisting>family [style] [size]</programlisting></entry>
430 * <entry>#PangoFontDescription</entry>
431 * <entry><programlisting>font: Sans 15;</programlisting></entry>
434 * <entry>margin</entry>
435 * <entry morerows="1">
438 * vertical-width horizontal-width
439 * top-width horizontal-width bottom-width
440 * top-width right-width bottom-width left-width
443 * <entry morerows="1">#GtkBorder</entry>
444 * <entry morerows="1">
449 * margin: 5 10 3 5;</programlisting>
453 * <entry>padding</entry>
456 * <entry>background-image</entry>
459 * -gtk-gradient (linear,
460 * starting-x-position starting-y-position,
461 * ending-x-position ending-y-position,
462 * [ [from|to] (color) |
463 * color-stop (percentage, color) ] )
465 * -gtk-gradient (radial,
466 * starting-x-position starting-y-position, starting-radius,
467 * ending-x-position ending-y-position, ending-radius,
468 * [ [from|to] (color) |
469 * color-stop (percentage, color) ]* )</programlisting>
471 * <entry>#cairo_pattern_t</entry>
474 * -gtk-gradient (linear,
475 * left top, right top,
476 * from (#fff), to (#000));
477 * -gtk-gradient (linear, 0.0 0.5, 0.5 1.0,
479 * color-stop (0.5, #f00),
481 * -gtk-gradient (radial,
482 * center center, 0.2,
483 * center center, 0.8,
484 * color-stop (0.0, #fff),
485 * color-stop (1.0, #000));</programlisting>
489 * <entry>border-image</entry>
490 * <entry><programlisting>url([path]) top-distance right-distance bottom-distance left-distance horizontal-option vertical-option</programlisting></entry>
494 * border-image: url ("/path/to/image.png") 3 4 3 4 stretch;
495 * border-image: url ("/path/to/image.png") 3 4 4 3 repeat stretch;</programlisting>
499 * <entry>transition</entry>
500 * <entry><programlisting>duration [s|ms] [linear|ease|ease-in|ease-out|ease-in-out] [loop]?</programlisting></entry>
504 * transition: 150ms ease-in-out;
505 * transition: 1s linear loop;</programlisting>
514 typedef struct GtkCssProviderPrivate GtkCssProviderPrivate;
515 typedef struct SelectorElement SelectorElement;
516 typedef struct SelectorPath SelectorPath;
517 typedef struct SelectorStyleInfo SelectorStyleInfo;
518 typedef enum SelectorElementType SelectorElementType;
519 typedef enum CombinatorType CombinatorType;
520 typedef enum ParserScope ParserScope;
521 typedef enum ParserSymbol ParserSymbol;
523 enum SelectorElementType {
532 enum CombinatorType {
533 COMBINATOR_DESCENDANT, /* No direct relation needed */
534 COMBINATOR_CHILD /* Direct child */
537 struct SelectorElement
539 SelectorElementType elem_type;
540 CombinatorType combinator;
550 GtkRegionFlags flags;
562 struct SelectorStyleInfo
568 struct GtkCssProviderPrivate
573 GHashTable *symbolic_colors;
575 GPtrArray *selectors_info;
577 /* Current parser state */
579 GSList *cur_selectors;
580 GHashTable *cur_properties;
591 /* Extend GtkStateType, since these
592 * values are also used as symbols
595 /* Scope: pseudo-class */
596 SYMBOL_NTH_CHILD = GTK_STATE_FOCUSED + 1,
601 /* Scope: nth-child */
602 SYMBOL_NTH_CHILD_EVEN,
603 SYMBOL_NTH_CHILD_ODD,
604 SYMBOL_NTH_CHILD_FIRST,
605 SYMBOL_NTH_CHILD_LAST
608 static void gtk_css_provider_finalize (GObject *object);
609 static void gtk_css_style_provider_iface_init (GtkStyleProviderIface *iface);
611 static void scanner_apply_scope (GScanner *scanner,
613 static gboolean css_provider_parse_value (GtkCssProvider *css_provider,
614 const gchar *value_str,
616 static gboolean gtk_css_provider_load_from_path_internal (GtkCssProvider *css_provider,
623 gtk_css_provider_error_quark (void)
625 return g_quark_from_static_string ("gtk-css-provider-error-quark");
628 G_DEFINE_TYPE_EXTENDED (GtkCssProvider, gtk_css_provider, G_TYPE_OBJECT, 0,
629 G_IMPLEMENT_INTERFACE (GTK_TYPE_STYLE_PROVIDER,
630 gtk_css_style_provider_iface_init));
633 gtk_css_provider_class_init (GtkCssProviderClass *klass)
635 GObjectClass *object_class = G_OBJECT_CLASS (klass);
637 object_class->finalize = gtk_css_provider_finalize;
639 g_type_class_add_private (object_class, sizeof (GtkCssProviderPrivate));
642 static SelectorPath *
643 selector_path_new (void)
647 path = g_slice_new0 (SelectorPath);
653 static SelectorPath *
654 selector_path_ref (SelectorPath *path)
661 selector_path_unref (SelectorPath *path)
665 if (path->ref_count > 0)
668 while (path->elements)
670 g_slice_free (SelectorElement, path->elements->data);
671 path->elements = g_slist_delete_link (path->elements, path->elements);
674 g_slice_free (SelectorPath, path);
678 selector_path_prepend_type (SelectorPath *path,
679 const gchar *type_name)
681 SelectorElement *elem;
684 elem = g_slice_new (SelectorElement);
685 elem->combinator = COMBINATOR_DESCENDANT;
686 type = g_type_from_name (type_name);
688 if (type == G_TYPE_INVALID)
690 elem->elem_type = SELECTOR_TYPE_NAME;
691 elem->name = g_quark_from_string (type_name);
695 elem->elem_type = SELECTOR_GTYPE;
699 path->elements = g_slist_prepend (path->elements, elem);
703 selector_path_prepend_glob (SelectorPath *path)
705 SelectorElement *elem;
707 elem = g_slice_new (SelectorElement);
708 elem->elem_type = SELECTOR_GLOB;
709 elem->combinator = COMBINATOR_DESCENDANT;
711 path->elements = g_slist_prepend (path->elements, elem);
715 selector_path_prepend_region (SelectorPath *path,
717 GtkRegionFlags flags)
719 SelectorElement *elem;
721 elem = g_slice_new (SelectorElement);
722 elem->combinator = COMBINATOR_DESCENDANT;
723 elem->elem_type = SELECTOR_REGION;
725 elem->region.name = g_quark_from_string (name);
726 elem->region.flags = flags;
728 path->elements = g_slist_prepend (path->elements, elem);
732 selector_path_prepend_name (SelectorPath *path,
735 SelectorElement *elem;
737 elem = g_slice_new (SelectorElement);
738 elem->combinator = COMBINATOR_DESCENDANT;
739 elem->elem_type = SELECTOR_NAME;
741 elem->name = g_quark_from_string (name);
743 path->elements = g_slist_prepend (path->elements, elem);
747 selector_path_prepend_class (SelectorPath *path,
750 SelectorElement *elem;
752 elem = g_slice_new (SelectorElement);
753 elem->combinator = COMBINATOR_DESCENDANT;
754 elem->elem_type = SELECTOR_CLASS;
756 elem->name = g_quark_from_string (name);
758 path->elements = g_slist_prepend (path->elements, elem);
762 selector_path_prepend_combinator (SelectorPath *path,
763 CombinatorType combinator)
765 SelectorElement *elem;
767 g_assert (path->elements != NULL);
769 /* It is actually stored in the last element */
770 elem = path->elements->data;
771 elem->combinator = combinator;
775 selector_path_depth (SelectorPath *path)
777 return g_slist_length (path->elements);
780 static SelectorStyleInfo *
781 selector_style_info_new (SelectorPath *path)
783 SelectorStyleInfo *info;
785 info = g_slice_new0 (SelectorStyleInfo);
786 info->path = selector_path_ref (path);
792 selector_style_info_free (SelectorStyleInfo *info)
795 g_hash_table_unref (info->style);
798 selector_path_unref (info->path);
802 selector_style_info_set_style (SelectorStyleInfo *info,
806 g_hash_table_unref (info->style);
809 info->style = g_hash_table_ref (style);
815 create_scanner (void)
819 scanner = g_scanner_new (NULL);
821 g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "active", GUINT_TO_POINTER (GTK_STATE_ACTIVE));
822 g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "prelight", GUINT_TO_POINTER (GTK_STATE_PRELIGHT));
823 g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "hover", GUINT_TO_POINTER (GTK_STATE_PRELIGHT));
824 g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "selected", GUINT_TO_POINTER (GTK_STATE_SELECTED));
825 g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "insensitive", GUINT_TO_POINTER (GTK_STATE_INSENSITIVE));
826 g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "inconsistent", GUINT_TO_POINTER (GTK_STATE_INCONSISTENT));
827 g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "focused", GUINT_TO_POINTER (GTK_STATE_FOCUSED));
828 g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "focus", GUINT_TO_POINTER (GTK_STATE_FOCUSED));
830 g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "nth-child", GUINT_TO_POINTER (SYMBOL_NTH_CHILD));
831 g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "first-child", GUINT_TO_POINTER (SYMBOL_FIRST_CHILD));
832 g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "last-child", GUINT_TO_POINTER (SYMBOL_LAST_CHILD));
833 g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "sorted", GUINT_TO_POINTER (SYMBOL_SORTED_CHILD));
835 g_scanner_scope_add_symbol (scanner, SCOPE_NTH_CHILD, "even", GUINT_TO_POINTER (SYMBOL_NTH_CHILD_EVEN));
836 g_scanner_scope_add_symbol (scanner, SCOPE_NTH_CHILD, "odd", GUINT_TO_POINTER (SYMBOL_NTH_CHILD_ODD));
837 g_scanner_scope_add_symbol (scanner, SCOPE_NTH_CHILD, "first", GUINT_TO_POINTER (SYMBOL_NTH_CHILD_FIRST));
838 g_scanner_scope_add_symbol (scanner, SCOPE_NTH_CHILD, "last", GUINT_TO_POINTER (SYMBOL_NTH_CHILD_LAST));
840 scanner_apply_scope (scanner, SCOPE_SELECTOR);
846 gtk_css_provider_init (GtkCssProvider *css_provider)
848 GtkCssProviderPrivate *priv;
850 priv = css_provider->priv = G_TYPE_INSTANCE_GET_PRIVATE (css_provider,
851 GTK_TYPE_CSS_PROVIDER,
852 GtkCssProviderPrivate);
854 priv->selectors_info = g_ptr_array_new_with_free_func ((GDestroyNotify) selector_style_info_free);
855 priv->scanner = create_scanner ();
857 priv->symbolic_colors = g_hash_table_new_full (g_str_hash, g_str_equal,
858 (GDestroyNotify) g_free,
859 (GDestroyNotify) gtk_symbolic_color_unref);
862 typedef struct ComparePathData ComparePathData;
864 struct ComparePathData
872 compare_selector_element (GtkWidgetPath *path,
874 SelectorElement *elem,
879 if (elem->elem_type == SELECTOR_TYPE_NAME)
881 const gchar *type_name;
884 /* Resolve the type name */
885 type_name = g_quark_to_string (elem->name);
886 resolved_type = g_type_from_name (type_name);
888 if (resolved_type == G_TYPE_INVALID)
890 /* Type couldn't be resolved, so the selector
891 * clearly doesn't affect the given widget path
896 elem->elem_type = SELECTOR_GTYPE;
897 elem->type = resolved_type;
900 if (elem->elem_type == SELECTOR_GTYPE)
904 type = gtk_widget_path_iter_get_widget_type (path, index);
906 if (!g_type_is_a (type, elem->type))
909 if (type == elem->type)
917 while ((parent = g_type_parent (parent)) != G_TYPE_INVALID)
919 if (parent == elem->type)
926 g_warning ("Hierarchy is higher than expected.");
934 else if (elem->elem_type == SELECTOR_REGION)
936 GtkRegionFlags flags;
938 if (!gtk_widget_path_iter_has_qregion (path, index,
943 if (elem->region.flags != 0 &&
944 (flags & elem->region.flags) == 0)
950 else if (elem->elem_type == SELECTOR_GLOB)
952 /* Treat as lowest matching type */
956 else if (elem->elem_type == SELECTOR_NAME)
958 if (!gtk_widget_path_iter_has_qname (path, index, elem->name))
964 else if (elem->elem_type == SELECTOR_CLASS)
966 if (!gtk_widget_path_iter_has_qclass (path, index, elem->name))
977 compare_selector (GtkWidgetPath *path,
978 SelectorPath *selector)
980 GSList *elements = selector->elements;
981 gboolean match = TRUE;
985 i = gtk_widget_path_length (path) - 1;
987 while (elements && match && i >= 0)
989 SelectorElement *elem;
992 elem = elements->data;
994 match = compare_selector_element (path, i, elem, &elem_score);
996 /* Only move on to the next index if there is no match
997 * with the current element (whether to continue or not
998 * handled right after in the combinator check), or a
999 * GType or glob has just been matched.
1001 * Region and widget names do not trigger this because
1002 * the next element in the selector path could also be
1003 * related to the same index.
1006 (elem->elem_type == SELECTOR_GTYPE ||
1007 elem->elem_type == SELECTOR_GLOB))
1011 elem->elem_type != SELECTOR_TYPE_NAME &&
1012 elem->combinator == COMBINATOR_DESCENDANT)
1014 /* With descendant combinators there may
1015 * be intermediate chidren in the hierarchy
1020 elements = elements->next;
1024 /* Only 4 bits are actually used */
1026 score |= elem_score;
1030 /* If there are pending selector
1031 * elements to compare, it's not
1043 typedef struct StylePriorityInfo StylePriorityInfo;
1045 struct StylePriorityInfo
1049 GtkStateFlags state;
1053 css_provider_get_selectors (GtkCssProvider *css_provider,
1054 GtkWidgetPath *path)
1056 GtkCssProviderPrivate *priv;
1057 GArray *priority_info;
1060 priv = css_provider->priv;
1061 priority_info = g_array_new (FALSE, FALSE, sizeof (StylePriorityInfo));
1063 for (i = 0; i < priv->selectors_info->len; i++)
1065 SelectorStyleInfo *info;
1066 StylePriorityInfo new;
1067 gboolean added = FALSE;
1070 info = g_ptr_array_index (priv->selectors_info, i);
1071 score = compare_selector (path, info->path);
1077 new.style = info->style;
1078 new.state = info->path->state;
1080 for (j = 0; j < priority_info->len; j++)
1082 StylePriorityInfo *cur;
1084 cur = &g_array_index (priority_info, StylePriorityInfo, j);
1086 if (cur->score > new.score)
1088 g_array_insert_val (priority_info, j, new);
1095 g_array_append_val (priority_info, new);
1098 return priority_info;
1102 css_provider_dump_symbolic_colors (GtkCssProvider *css_provider,
1103 GtkStyleProperties *props)
1105 GtkCssProviderPrivate *priv;
1106 GHashTableIter iter;
1107 gpointer key, value;
1109 priv = css_provider->priv;
1110 g_hash_table_iter_init (&iter, priv->symbolic_colors);
1112 while (g_hash_table_iter_next (&iter, &key, &value))
1115 GtkSymbolicColor *color;
1120 gtk_style_properties_map_color (props, name, color);
1124 static GtkStyleProperties *
1125 gtk_css_provider_get_style (GtkStyleProvider *provider,
1126 GtkWidgetPath *path)
1128 GtkCssProvider *css_provider;
1129 GtkCssProviderPrivate *priv;
1130 GtkStyleProperties *props;
1131 GArray *priority_info;
1134 css_provider = GTK_CSS_PROVIDER (provider);
1135 props = gtk_style_properties_new ();
1136 priv = css_provider->priv;
1138 css_provider_dump_symbolic_colors (css_provider, props);
1139 priority_info = css_provider_get_selectors (css_provider, path);
1141 for (i = 0; i < priority_info->len; i++)
1143 StylePriorityInfo *info;
1144 GHashTableIter iter;
1145 gpointer key, value;
1147 info = &g_array_index (priority_info, StylePriorityInfo, i);
1148 g_hash_table_iter_init (&iter, info->style);
1150 while (g_hash_table_iter_next (&iter, &key, &value))
1154 /* Properties starting with '-' may be both widget style properties
1155 * or custom properties from the theming engine, so check whether
1156 * the type is registered or not.
1158 if (prop[0] == '-' &&
1159 !gtk_style_properties_lookup_property (prop, NULL, NULL))
1162 gtk_style_properties_set_property (props, key, info->state, value);
1166 g_array_free (priority_info, TRUE);
1172 gtk_css_provider_get_style_property (GtkStyleProvider *provider,
1173 GtkWidgetPath *path,
1177 GArray *priority_info;
1178 gboolean found = FALSE;
1182 prop_name = g_strdup_printf ("-%s-%s",
1183 g_type_name (pspec->owner_type),
1186 priority_info = css_provider_get_selectors (GTK_CSS_PROVIDER (provider), path);
1188 for (i = priority_info->len - 1; i >= 0; i--)
1190 StylePriorityInfo *info;
1193 info = &g_array_index (priority_info, StylePriorityInfo, i);
1194 val = g_hash_table_lookup (info->style, prop_name);
1198 const gchar *val_str;
1200 val_str = g_value_get_string (val);
1203 css_provider_parse_value (GTK_CSS_PROVIDER (provider), val_str, value);
1208 g_array_free (priority_info, TRUE);
1215 gtk_css_style_provider_iface_init (GtkStyleProviderIface *iface)
1217 iface->get_style = gtk_css_provider_get_style;
1218 iface->get_style_property = gtk_css_provider_get_style_property;
1222 gtk_css_provider_finalize (GObject *object)
1224 GtkCssProvider *css_provider;
1225 GtkCssProviderPrivate *priv;
1227 css_provider = GTK_CSS_PROVIDER (object);
1228 priv = css_provider->priv;
1230 g_scanner_destroy (priv->scanner);
1231 g_free (priv->filename);
1233 g_ptr_array_free (priv->selectors_info, TRUE);
1235 g_slist_foreach (priv->cur_selectors, (GFunc) selector_path_unref, NULL);
1236 g_slist_free (priv->cur_selectors);
1238 if (priv->cur_properties)
1239 g_hash_table_unref (priv->cur_properties);
1240 if (priv->symbolic_colors)
1241 g_hash_table_destroy (priv->symbolic_colors);
1243 G_OBJECT_CLASS (gtk_css_provider_parent_class)->finalize (object);
1247 * gtk_css_provider_new:
1249 * Returns a newly created #GtkCssProvider.
1251 * Returns: A new #GtkCssProvider
1254 gtk_css_provider_new (void)
1256 return g_object_new (GTK_TYPE_CSS_PROVIDER, NULL);
1260 property_value_free (GValue *value)
1262 if (G_IS_VALUE (value))
1263 g_value_unset (value);
1265 g_slice_free (GValue, value);
1269 scanner_apply_scope (GScanner *scanner,
1272 g_scanner_set_scope (scanner, scope);
1274 if (scope == SCOPE_VALUE)
1276 scanner->config->cset_identifier_first = G_CSET_a_2_z "@#-_0123456789" G_CSET_A_2_Z;
1277 scanner->config->cset_identifier_nth = G_CSET_a_2_z "@#-_ 0123456789(),.%\t\n'\"" G_CSET_A_2_Z;
1278 scanner->config->scan_identifier_1char = TRUE;
1280 else if (scope == SCOPE_SELECTOR)
1282 scanner->config->cset_identifier_first = G_CSET_a_2_z G_CSET_A_2_Z "*@";
1283 scanner->config->cset_identifier_nth = G_CSET_a_2_z "-_#." G_CSET_A_2_Z;
1284 scanner->config->scan_identifier_1char = TRUE;
1286 else if (scope == SCOPE_PSEUDO_CLASS ||
1287 scope == SCOPE_NTH_CHILD ||
1288 scope == SCOPE_DECLARATION)
1290 scanner->config->cset_identifier_first = G_CSET_a_2_z "-" G_CSET_A_2_Z;
1291 scanner->config->cset_identifier_nth = G_CSET_a_2_z "-" G_CSET_A_2_Z;
1292 scanner->config->scan_identifier_1char = FALSE;
1295 g_assert_not_reached ();
1297 scanner->config->scan_float = FALSE;
1298 scanner->config->cpair_comment_single = NULL;
1302 css_provider_push_scope (GtkCssProvider *css_provider,
1305 GtkCssProviderPrivate *priv;
1307 priv = css_provider->priv;
1308 priv->state = g_slist_prepend (priv->state, GUINT_TO_POINTER (scope));
1310 scanner_apply_scope (priv->scanner, scope);
1314 css_provider_pop_scope (GtkCssProvider *css_provider)
1316 GtkCssProviderPrivate *priv;
1317 ParserScope scope = SCOPE_SELECTOR;
1319 priv = css_provider->priv;
1323 g_warning ("Push/pop calls to parser scope aren't paired");
1324 scanner_apply_scope (priv->scanner, SCOPE_SELECTOR);
1325 return SCOPE_SELECTOR;
1328 priv->state = g_slist_delete_link (priv->state, priv->state);
1330 /* Fetch new scope */
1332 scope = GPOINTER_TO_INT (priv->state->data);
1334 scanner_apply_scope (priv->scanner, scope);
1340 css_provider_reset_parser (GtkCssProvider *css_provider)
1342 GtkCssProviderPrivate *priv;
1344 priv = css_provider->priv;
1346 g_slist_free (priv->state);
1349 scanner_apply_scope (priv->scanner, SCOPE_SELECTOR);
1351 g_slist_foreach (priv->cur_selectors, (GFunc) selector_path_unref, NULL);
1352 g_slist_free (priv->cur_selectors);
1353 priv->cur_selectors = NULL;
1355 if (priv->cur_properties)
1356 g_hash_table_unref (priv->cur_properties);
1358 priv->cur_properties = g_hash_table_new_full (g_str_hash,
1360 (GDestroyNotify) g_free,
1361 (GDestroyNotify) property_value_free);
1365 css_provider_commit (GtkCssProvider *css_provider)
1367 GtkCssProviderPrivate *priv;
1370 priv = css_provider->priv;
1371 l = priv->cur_selectors;
1375 SelectorPath *path = l->data;
1376 SelectorStyleInfo *info;
1378 info = selector_style_info_new (path);
1379 selector_style_info_set_style (info, priv->cur_properties);
1381 g_ptr_array_add (priv->selectors_info, info);
1387 parse_nth_child (GtkCssProvider *css_provider,
1389 GtkRegionFlags *flags)
1391 ParserSymbol symbol;
1393 g_scanner_get_next_token (scanner);
1395 if (scanner->token != G_TOKEN_SYMBOL)
1396 return G_TOKEN_SYMBOL;
1398 symbol = GPOINTER_TO_INT (scanner->value.v_symbol);
1400 if (symbol == SYMBOL_NTH_CHILD)
1402 g_scanner_get_next_token (scanner);
1404 if (scanner->token != G_TOKEN_LEFT_PAREN)
1405 return G_TOKEN_LEFT_PAREN;
1407 css_provider_push_scope (css_provider, SCOPE_NTH_CHILD);
1408 g_scanner_get_next_token (scanner);
1410 if (scanner->token != G_TOKEN_SYMBOL)
1411 return G_TOKEN_SYMBOL;
1413 symbol = GPOINTER_TO_INT (scanner->value.v_symbol);
1417 case SYMBOL_NTH_CHILD_EVEN:
1418 *flags = GTK_REGION_EVEN;
1420 case SYMBOL_NTH_CHILD_ODD:
1421 *flags = GTK_REGION_ODD;
1423 case SYMBOL_NTH_CHILD_FIRST:
1424 *flags = GTK_REGION_FIRST;
1426 case SYMBOL_NTH_CHILD_LAST:
1427 *flags = GTK_REGION_LAST;
1433 g_scanner_get_next_token (scanner);
1435 if (scanner->token != G_TOKEN_RIGHT_PAREN)
1436 return G_TOKEN_RIGHT_PAREN;
1438 css_provider_pop_scope (css_provider);
1440 else if (symbol == SYMBOL_FIRST_CHILD)
1441 *flags = GTK_REGION_FIRST;
1442 else if (symbol == SYMBOL_LAST_CHILD)
1443 *flags = GTK_REGION_LAST;
1444 else if (symbol == SYMBOL_SORTED_CHILD)
1445 *flags = GTK_REGION_SORTED;
1449 return G_TOKEN_SYMBOL;
1452 return G_TOKEN_NONE;
1456 parse_pseudo_class (GtkCssProvider *css_provider,
1458 SelectorPath *selector)
1462 g_scanner_get_next_token (scanner);
1464 if (scanner->token != G_TOKEN_SYMBOL)
1465 return G_TOKEN_SYMBOL;
1467 state = GPOINTER_TO_INT (scanner->value.v_symbol);
1471 case GTK_STATE_ACTIVE:
1472 selector->state |= GTK_STATE_FLAG_ACTIVE;
1474 case GTK_STATE_PRELIGHT:
1475 selector->state |= GTK_STATE_FLAG_PRELIGHT;
1477 case GTK_STATE_SELECTED:
1478 selector->state |= GTK_STATE_FLAG_SELECTED;
1480 case GTK_STATE_INSENSITIVE:
1481 selector->state |= GTK_STATE_FLAG_INSENSITIVE;
1483 case GTK_STATE_INCONSISTENT:
1484 selector->state |= GTK_STATE_FLAG_INCONSISTENT;
1486 case GTK_STATE_FOCUSED:
1487 selector->state |= GTK_STATE_FLAG_FOCUSED;
1490 return G_TOKEN_SYMBOL;
1493 return G_TOKEN_NONE;
1496 /* Parses a number of concatenated classes */
1498 parse_classes (SelectorPath *path,
1503 if ((pos = strchr (str, '.')) != NULL)
1505 /* Leave the last class to the call after the loop */
1509 selector_path_prepend_class (path, str);
1512 pos = strchr (str, '.');
1516 selector_path_prepend_class (path, str);
1520 parse_selector (GtkCssProvider *css_provider,
1522 SelectorPath **selector_out)
1526 path = selector_path_new ();
1527 *selector_out = path;
1529 if (scanner->token != ':' &&
1530 scanner->token != '#' &&
1531 scanner->token != '.' &&
1532 scanner->token != G_TOKEN_IDENTIFIER)
1533 return G_TOKEN_IDENTIFIER;
1535 while (scanner->token == '#' ||
1536 scanner->token == '.' ||
1537 scanner->token == G_TOKEN_IDENTIFIER)
1539 if (scanner->token == '#' ||
1540 scanner->token == '.')
1545 is_class = (scanner->token == '.');
1547 g_scanner_get_next_token (scanner);
1549 if (scanner->token != G_TOKEN_IDENTIFIER)
1550 return G_TOKEN_IDENTIFIER;
1552 selector_path_prepend_glob (path);
1553 selector_path_prepend_combinator (path, COMBINATOR_CHILD);
1556 parse_classes (path, scanner->value.v_identifier);
1559 if ((pos = strchr (scanner->value.v_identifier, '.')) != NULL)
1562 selector_path_prepend_name (path, scanner->value.v_identifier);
1564 /* Parse any remaining classes */
1566 parse_classes (path, pos + 1);
1569 else if (g_ascii_isupper (scanner->value.v_identifier[0]))
1573 if ((pos = strchr (scanner->value.v_identifier, '#')) != NULL ||
1574 (pos = strchr (scanner->value.v_identifier, '.')) != NULL)
1576 gchar *type_name, *name;
1579 is_class = (*pos == '.');
1581 /* Widget type and name/class put together */
1584 type_name = scanner->value.v_identifier;
1586 selector_path_prepend_type (path, type_name);
1588 /* This is only so there is a direct relationship
1589 * between widget type and its name.
1591 selector_path_prepend_combinator (path, COMBINATOR_CHILD);
1594 parse_classes (path, name);
1597 if ((pos = strchr (name, '.')) != NULL)
1600 selector_path_prepend_name (path, name);
1602 /* Parse any remaining classes */
1604 parse_classes (path, pos + 1);
1608 selector_path_prepend_type (path, scanner->value.v_identifier);
1610 else if (g_ascii_islower (scanner->value.v_identifier[0]))
1612 GtkRegionFlags flags = 0;
1615 region_name = g_strdup (scanner->value.v_identifier);
1617 if (g_scanner_peek_next_token (scanner) == ':')
1619 ParserSymbol symbol;
1621 g_scanner_get_next_token (scanner);
1622 css_provider_push_scope (css_provider, SCOPE_PSEUDO_CLASS);
1624 /* Check for the next token being nth-child, parse in that
1625 * case, and fallback into common state parsing if not.
1627 if (g_scanner_peek_next_token (scanner) != G_TOKEN_SYMBOL)
1628 return G_TOKEN_SYMBOL;
1630 symbol = GPOINTER_TO_INT (scanner->next_value.v_symbol);
1632 if (symbol == SYMBOL_FIRST_CHILD ||
1633 symbol == SYMBOL_LAST_CHILD ||
1634 symbol == SYMBOL_NTH_CHILD ||
1635 symbol == SYMBOL_SORTED_CHILD)
1639 if ((token = parse_nth_child (css_provider, scanner, &flags)) != G_TOKEN_NONE)
1642 css_provider_pop_scope (css_provider);
1646 css_provider_pop_scope (css_provider);
1647 selector_path_prepend_region (path, region_name, 0);
1648 g_free (region_name);
1653 selector_path_prepend_region (path, region_name, flags);
1654 g_free (region_name);
1656 else if (scanner->value.v_identifier[0] == '*')
1657 selector_path_prepend_glob (path);
1659 return G_TOKEN_IDENTIFIER;
1661 g_scanner_get_next_token (scanner);
1663 if (scanner->token == '>')
1665 selector_path_prepend_combinator (path, COMBINATOR_CHILD);
1666 g_scanner_get_next_token (scanner);
1670 if (scanner->token == ':')
1672 /* Add glob selector if path is empty */
1673 if (selector_path_depth (path) == 0)
1674 selector_path_prepend_glob (path);
1676 css_provider_push_scope (css_provider, SCOPE_PSEUDO_CLASS);
1678 while (scanner->token == ':')
1682 if ((token = parse_pseudo_class (css_provider, scanner, path)) != G_TOKEN_NONE)
1685 g_scanner_get_next_token (scanner);
1688 css_provider_pop_scope (css_provider);
1691 return G_TOKEN_NONE;
1694 #define SKIP_SPACES(s) while (s[0] == ' ' || s[0] == '\t' || s[0] == '\n') s++;
1695 #define SKIP_SPACES_BACK(s) while (s[0] == ' ' || s[0] == '\t' || s[0] == '\n') s--;
1697 static GtkSymbolicColor *
1698 symbolic_color_parse_str (const gchar *string,
1701 GtkSymbolicColor *symbolic_color = NULL;
1704 str = (gchar *) string;
1715 while (*end == '-' || *end == '_' || g_ascii_isalpha (*end))
1718 name = g_strndup (str, end - str);
1719 symbolic_color = gtk_symbolic_color_new_name (name);
1722 *end_ptr = (gchar *) end;
1724 else if (g_str_has_prefix (str, "lighter") ||
1725 g_str_has_prefix (str, "darker"))
1727 GtkSymbolicColor *param_color;
1728 gboolean is_lighter = FALSE;
1730 is_lighter = g_str_has_prefix (str, "lighter");
1733 str += strlen ("lighter");
1735 str += strlen ("darker");
1741 *end_ptr = (gchar *) str;
1747 param_color = symbolic_color_parse_str (str, end_ptr);
1754 *end_ptr = (gchar *) str;
1758 gtk_symbolic_color_unref (param_color);
1763 symbolic_color = gtk_symbolic_color_new_shade (param_color, 1.3);
1765 symbolic_color = gtk_symbolic_color_new_shade (param_color, 0.7);
1767 gtk_symbolic_color_unref (param_color);
1770 else if (g_str_has_prefix (str, "shade") ||
1771 g_str_has_prefix (str, "alpha"))
1773 GtkSymbolicColor *param_color;
1774 gboolean is_shade = FALSE;
1777 is_shade = g_str_has_prefix (str, "shade");
1780 str += strlen ("shade");
1782 str += strlen ("alpha");
1788 *end_ptr = (gchar *) str;
1794 param_color = symbolic_color_parse_str (str, end_ptr);
1804 gtk_symbolic_color_unref (param_color);
1805 *end_ptr = (gchar *) str;
1811 factor = g_ascii_strtod (str, end_ptr);
1815 *end_ptr = (gchar *) str;
1819 gtk_symbolic_color_unref (param_color);
1824 symbolic_color = gtk_symbolic_color_new_shade (param_color, factor);
1826 symbolic_color = gtk_symbolic_color_new_alpha (param_color, factor);
1828 gtk_symbolic_color_unref (param_color);
1831 else if (g_str_has_prefix (str, "mix"))
1833 GtkSymbolicColor *color1, *color2;
1836 str += strlen ("mix");
1841 *end_ptr = (gchar *) str;
1847 color1 = symbolic_color_parse_str (str, end_ptr);
1857 gtk_symbolic_color_unref (color1);
1858 *end_ptr = (gchar *) str;
1864 color2 = symbolic_color_parse_str (str, end_ptr);
1866 if (!color2 || *end_ptr[0] != ',')
1868 gtk_symbolic_color_unref (color1);
1877 gtk_symbolic_color_unref (color1);
1878 gtk_symbolic_color_unref (color2);
1879 *end_ptr = (gchar *) str;
1885 factor = g_ascii_strtod (str, end_ptr);
1889 *end_ptr = (gchar *) str;
1893 gtk_symbolic_color_unref (color1);
1894 gtk_symbolic_color_unref (color2);
1898 symbolic_color = gtk_symbolic_color_new_mix (color1, color2, factor);
1899 gtk_symbolic_color_unref (color1);
1900 gtk_symbolic_color_unref (color2);
1913 /* Color in hex format */
1914 while (g_ascii_isxdigit (*end))
1917 else if (g_str_has_prefix (str, "rgb"))
1919 /* color in rgb/rgba format */
1920 while (*end != ')' && *end != '\0')
1928 /* color name? parse until first whitespace */
1929 while (*end != ' ' && *end != '\0')
1933 color_str = g_strndup (str, end - str);
1934 *end_ptr = (gchar *) end;
1936 if (!gdk_rgba_parse (&color, color_str))
1942 symbolic_color = gtk_symbolic_color_new_literal (&color);
1946 return symbolic_color;
1949 static GtkSymbolicColor *
1950 symbolic_color_parse (const gchar *str)
1952 GtkSymbolicColor *color;
1955 color = symbolic_color_parse_str (str, &end);
1959 g_message ("Error parsing symbolic color \"%s\", stopped at char %ld : '%c'",
1960 str, end - str, *end);
1964 gtk_symbolic_color_unref (color);
1972 static GtkGradient *
1973 gradient_parse_str (const gchar *str,
1976 GtkGradient *gradient = NULL;
1981 if (g_str_has_prefix (str, "-gtk-gradient"))
1983 cairo_pattern_type_t type;
1985 str += strlen ("-gtk-gradient");
1990 *end_ptr = (gchar *) str;
1997 /* Parse gradient type */
1998 if (g_str_has_prefix (str, "linear"))
2000 type = CAIRO_PATTERN_TYPE_LINEAR;
2001 str += strlen ("linear");
2003 else if (g_str_has_prefix (str, "radial"))
2005 type = CAIRO_PATTERN_TYPE_RADIAL;
2006 str += strlen ("radial");
2010 *end_ptr = (gchar *) str;
2016 /* Parse start/stop position parameters */
2017 for (i = 0; i < 2; i++)
2021 *end_ptr = (gchar *) str;
2028 if (strncmp (str, "left", 4) == 0)
2031 str += strlen ("left");
2033 else if (strncmp (str, "right", 5) == 0)
2036 str += strlen ("right");
2038 else if (strncmp (str, "center", 6) == 0)
2040 coords[i * 3] = 0.5;
2041 str += strlen ("center");
2045 coords[i * 3] = g_ascii_strtod (str, &end);
2051 if (strncmp (str, "top", 3) == 0)
2053 coords[(i * 3) + 1] = 0;
2054 str += strlen ("top");
2056 else if (strncmp (str, "bottom", 6) == 0)
2058 coords[(i * 3) + 1] = 1;
2059 str += strlen ("bottom");
2061 else if (strncmp (str, "center", 6) == 0)
2063 coords[(i * 3) + 1] = 0.5;
2064 str += strlen ("center");
2068 coords[(i * 3) + 1] = g_ascii_strtod (str, &end);
2074 if (type == CAIRO_PATTERN_TYPE_RADIAL)
2079 *end_ptr = (gchar *) str;
2086 coords[(i * 3) + 2] = g_ascii_strtod (str, &end);
2093 if (type == CAIRO_PATTERN_TYPE_LINEAR)
2094 gradient = gtk_gradient_new_linear (coords[0], coords[1], coords[3], coords[4]);
2096 gradient = gtk_gradient_new_radial (coords[0], coords[1], coords[2],
2097 coords[3], coords[4], coords[5]);
2101 GtkSymbolicColor *color;
2106 *end_ptr = (gchar *) str;
2113 if (g_str_has_prefix (str, "from"))
2116 str += strlen ("from");
2121 *end_ptr = (gchar *) str;
2125 else if (g_str_has_prefix (str, "to"))
2128 str += strlen ("to");
2133 *end_ptr = (gchar *) str;
2137 else if (g_str_has_prefix (str, "color-stop"))
2139 str += strlen ("color-stop");
2144 *end_ptr = (gchar *) str;
2151 position = g_ascii_strtod (str, &end);
2158 *end_ptr = (gchar *) str;
2164 *end_ptr = (gchar *) str;
2171 color = symbolic_color_parse_str (str, &end);
2178 *end_ptr = (gchar *) str;
2187 gtk_gradient_add_color_stop (gradient, position, color);
2188 gtk_symbolic_color_unref (color);
2194 *end_ptr = (gchar *) str;
2201 *end_ptr = (gchar *) str;
2206 static GtkGradient *
2207 gradient_parse (const gchar *str)
2209 GtkGradient *gradient;
2212 gradient = gradient_parse_str (str, &end);
2216 g_message ("Error parsing pattern \"%s\", stopped at char %ld : '%c'",
2217 str, end - str, *end);
2221 gtk_gradient_unref (gradient);
2230 path_parse_str (GtkCssProvider *css_provider,
2236 if (g_str_has_prefix (str, "url"))
2238 str += strlen ("url");
2243 *end_ptr = (gchar *) str;
2247 chr = strrchr (str, ')');
2251 *end_ptr = (gchar *) str;
2258 if (*str == '"' || *str == '\'')
2265 SKIP_SPACES_BACK (chr);
2267 if (*chr != *p || chr == p)
2279 path = g_strndup (str, chr - str);
2282 *end_ptr = str + strlen (str);
2286 path = g_strdup (str);
2287 *end_ptr = str + strlen (str);
2290 /* Always return an absolute path */
2291 if (!g_path_is_absolute (path))
2293 GtkCssProviderPrivate *priv;
2294 gchar *dirname, *full_path;
2296 priv = css_provider->priv;
2298 /* Use relative path to the current CSS file path, if any */
2300 dirname = g_path_get_dirname (priv->filename);
2302 dirname = g_get_current_dir ();
2304 full_path = g_build_filename (dirname, path, NULL);
2311 if (!g_file_test (path, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR))
2313 g_warning ("File doesn't exist: %s\n", path);
2322 path_parse (GtkCssProvider *css_provider,
2327 path = path_parse_str (css_provider, str, &end);
2331 g_message ("Error parsing file path \"%s\", stopped at char %ld : '%c'",
2332 str, end - str, *end);
2345 slice_parse_str (GtkCssProvider *css_provider,
2349 gdouble distance_top, distance_bottom;
2350 gdouble distance_left, distance_right;
2351 GtkSliceSideModifier mods[2];
2352 GError *error = NULL;
2360 /* Parse image url */
2361 path = path_parse_str (css_provider, str, end_ptr);
2369 /* Parse top/left/bottom/right distances */
2370 distance_top = g_strtod (str, end_ptr);
2375 distance_right = g_strtod (str, end_ptr);
2380 distance_bottom = g_strtod (str, end_ptr);
2385 distance_left = g_strtod (str, end_ptr);
2390 while (*str && i < 2)
2392 if (g_str_has_prefix (str, "stretch"))
2394 str += strlen ("stretch");
2395 mods[i] = GTK_SLICE_STRETCH;
2397 else if (g_str_has_prefix (str, "repeat"))
2399 str += strlen ("repeat");
2400 mods[i] = GTK_SLICE_REPEAT;
2405 *end_ptr = (gchar *) str;
2413 *end_ptr = (gchar *) str;
2423 /* Fill in second modifier, same as the first */
2427 pixbuf = gdk_pixbuf_new_from_file (path, &error);
2432 g_warning ("Pixbuf could not be loaded: %s\n", error->message);
2433 g_error_free (error);
2434 *end_ptr = (gchar *) str;
2438 slice = gtk_9slice_new (pixbuf,
2439 distance_top, distance_bottom,
2440 distance_left, distance_right,
2442 g_object_unref (pixbuf);
2448 slice_parse (GtkCssProvider *css_provider,
2454 slice = slice_parse_str (css_provider, str, &end);
2458 g_message ("Error parsing sliced image \"%s\", stopped at char %ld : '%c'",
2459 str, end - str, *end);
2463 gtk_9slice_unref (slice);
2472 unit_parse_str (const gchar *str,
2478 unit = g_strtod (str, end_str);
2481 /* Now parse the unit type, if any. We
2482 * don't admit spaces between these.
2484 if (*str != ' ' && *str != '\0')
2486 while (**end_str != ' ' && **end_str != '\0')
2489 /* Only handle pixels at the moment */
2490 if (strncmp (str, "px", 2) != 0)
2494 type = g_strndup (str, *end_str - str);
2495 g_warning ("Unknown unit '%s', only pixel units are "
2496 "currently supported in CSS style", type);
2505 border_parse_str (const gchar *str,
2508 gdouble first, second, third, fourth;
2511 border = gtk_border_new ();
2514 if (!g_ascii_isdigit (*str))
2517 first = unit_parse_str (str, end_str);
2521 if (!g_ascii_isdigit (*str))
2523 border->left = border->right = border->top = border->bottom = (gint) first;
2524 *end_str = (gchar *) str;
2528 second = unit_parse_str (str, end_str);
2532 if (!g_ascii_isdigit (*str))
2534 border->top = border->bottom = (gint) first;
2535 border->left = border->right = (gint) second;
2536 *end_str = (gchar *) str;
2540 third = unit_parse_str (str, end_str);
2544 if (!g_ascii_isdigit (*str))
2546 border->top = (gint) first;
2547 border->left = border->right = (gint) second;
2548 border->bottom = (gint) third;
2549 *end_str = (gchar *) str;
2553 fourth = unit_parse_str (str, end_str);
2555 border->top = (gint) first;
2556 border->right = (gint) second;
2557 border->bottom = (gint) third;
2558 border->left = (gint) fourth;
2564 border_parse (const gchar *str)
2569 border = border_parse_str (str, &end);
2573 g_message ("Error parsing border \"%s\", stopped at char %ld : '%c'",
2574 str, end - str, *end);
2577 gtk_border_free (border);
2586 css_provider_parse_value (GtkCssProvider *css_provider,
2587 const gchar *value_str,
2591 gboolean parsed = TRUE;
2593 type = G_VALUE_TYPE (value);
2595 if (type == GDK_TYPE_RGBA ||
2596 type == GDK_TYPE_COLOR)
2601 if (type == GDK_TYPE_RGBA &&
2602 gdk_rgba_parse (&color, value_str))
2603 g_value_set_boxed (value, &color);
2604 else if (type == GDK_TYPE_COLOR &&
2605 gdk_color_parse (value_str, &rgb))
2606 g_value_set_boxed (value, &rgb);
2609 GtkSymbolicColor *symbolic_color;
2611 symbolic_color = symbolic_color_parse (value_str);
2613 if (!symbolic_color)
2616 g_value_unset (value);
2617 g_value_init (value, GTK_TYPE_SYMBOLIC_COLOR);
2618 g_value_take_boxed (value, symbolic_color);
2621 else if (type == PANGO_TYPE_FONT_DESCRIPTION)
2623 PangoFontDescription *font_desc;
2625 font_desc = pango_font_description_from_string (value_str);
2626 g_value_take_boxed (value, font_desc);
2628 else if (type == G_TYPE_BOOLEAN)
2630 if (value_str[0] == '1' ||
2631 g_ascii_strcasecmp (value_str, "true") == 0)
2632 g_value_set_boolean (value, TRUE);
2634 g_value_set_boolean (value, FALSE);
2636 else if (type == G_TYPE_INT)
2637 g_value_set_int (value, atoi (value_str));
2638 else if (type == G_TYPE_UINT)
2639 g_value_set_uint (value, (guint) atoi (value_str));
2640 else if (type == G_TYPE_DOUBLE)
2641 g_value_set_double (value, g_ascii_strtod (value_str, NULL));
2642 else if (type == G_TYPE_FLOAT)
2643 g_value_set_float (value, (gfloat) g_ascii_strtod (value_str, NULL));
2644 else if (type == GTK_TYPE_THEMING_ENGINE)
2646 GtkThemingEngine *engine;
2648 engine = gtk_theming_engine_load (value_str);
2649 g_value_set_object (value, engine);
2651 else if (type == GTK_TYPE_ANIMATION_DESCRIPTION)
2653 GtkAnimationDescription *desc;
2655 desc = gtk_animation_description_from_string (value_str);
2658 g_value_take_boxed (value, desc);
2662 else if (type == GTK_TYPE_BORDER)
2666 border = border_parse (value_str);
2667 g_value_take_boxed (value, border);
2669 else if (type == CAIRO_GOBJECT_TYPE_PATTERN)
2671 GtkGradient *gradient;
2673 gradient = gradient_parse (value_str);
2677 g_value_unset (value);
2678 g_value_init (value, GTK_TYPE_GRADIENT);
2679 g_value_take_boxed (value, gradient);
2684 else if (G_TYPE_IS_ENUM (type))
2686 GEnumClass *enum_class;
2687 GEnumValue *enum_value;
2689 enum_class = g_type_class_ref (type);
2690 enum_value = g_enum_get_value_by_nick (enum_class, value_str);
2694 g_warning ("Unknown value '%s' for enum type '%s'",
2695 value_str, g_type_name (type));
2699 g_value_set_enum (value, enum_value->value);
2701 g_type_class_unref (enum_class);
2703 else if (G_TYPE_IS_FLAGS (type))
2705 GFlagsClass *flags_class;
2706 GFlagsValue *flag_value;
2710 flags_class = g_type_class_ref (type);
2712 /* Parse comma separated values */
2713 ptr = strchr (value_str, ',');
2715 while (ptr && parsed)
2722 flag_str = (gchar *) value_str;
2723 flag_value = g_flags_get_value_by_nick (flags_class,
2724 g_strstrip (flag_str));
2728 g_warning ("Unknown flag '%s' for type '%s'",
2729 value_str, g_type_name (type));
2733 flags |= flag_value->value;
2736 ptr = strchr (value_str, ',');
2739 /* Store last/only value */
2740 flag_value = g_flags_get_value_by_nick (flags_class, value_str);
2744 g_warning ("Unknown flag '%s' for type '%s'",
2745 value_str, g_type_name (type));
2749 flags |= flag_value->value;
2752 g_value_set_enum (value, flags);
2754 g_type_class_unref (flags_class);
2756 else if (type == GTK_TYPE_9SLICE)
2760 slice = slice_parse (css_provider, value_str);
2763 g_value_take_boxed (value, slice);
2769 g_warning ("Cannot parse string '%s' for type %s", value_str, g_type_name (type));
2777 parse_rule (GtkCssProvider *css_provider,
2780 GtkCssProviderPrivate *priv;
2781 GTokenType expected_token;
2782 SelectorPath *selector;
2784 priv = css_provider->priv;
2786 css_provider_push_scope (css_provider, SCOPE_SELECTOR);
2788 /* Handle directives */
2789 if (scanner->token == G_TOKEN_IDENTIFIER &&
2790 scanner->value.v_identifier[0] == '@')
2794 directive = &scanner->value.v_identifier[1];
2796 if (strcmp (directive, "define-color") == 0)
2798 GtkSymbolicColor *color;
2799 gchar *color_name, *color_str;
2801 /* Directive is a color mapping */
2802 g_scanner_get_next_token (scanner);
2804 if (scanner->token != G_TOKEN_IDENTIFIER)
2805 return G_TOKEN_IDENTIFIER;
2807 color_name = g_strdup (scanner->value.v_identifier);
2808 css_provider_push_scope (css_provider, SCOPE_VALUE);
2809 g_scanner_get_next_token (scanner);
2811 if (scanner->token != G_TOKEN_IDENTIFIER)
2812 return G_TOKEN_IDENTIFIER;
2814 color_str = g_strstrip (scanner->value.v_identifier);
2815 color = symbolic_color_parse (color_str);
2818 return G_TOKEN_IDENTIFIER;
2820 g_hash_table_insert (priv->symbolic_colors, color_name, color);
2822 css_provider_pop_scope (css_provider);
2823 g_scanner_get_next_token (scanner);
2825 if (scanner->token != ';')
2828 return G_TOKEN_NONE;
2830 else if (strcmp (directive, "import") == 0)
2832 GScanner *scanner_backup;
2833 GSList *state_backup;
2834 GError *error = NULL;
2838 css_provider_push_scope (css_provider, SCOPE_VALUE);
2839 g_scanner_get_next_token (scanner);
2841 if (scanner->token == G_TOKEN_IDENTIFIER &&
2842 g_str_has_prefix (scanner->value.v_identifier, "url"))
2843 path = path_parse (css_provider,
2844 g_strstrip (scanner->value.v_identifier));
2845 else if (scanner->token == G_TOKEN_STRING)
2846 path = path_parse (css_provider,
2847 g_strstrip (scanner->value.v_string));
2849 return G_TOKEN_IDENTIFIER;
2852 return G_TOKEN_IDENTIFIER;
2854 css_provider_pop_scope (css_provider);
2855 g_scanner_get_next_token (scanner);
2857 if (scanner->token != ';')
2863 /* Snapshot current parser state and scanner in order to restore after importing */
2864 state_backup = priv->state;
2865 scanner_backup = priv->scanner;
2868 priv->scanner = create_scanner ();
2870 /* FIXME: Avoid recursive importing */
2871 loaded = gtk_css_provider_load_from_path_internal (css_provider, path,
2874 /* Restore previous state */
2875 css_provider_reset_parser (css_provider);
2876 priv->state = state_backup;
2877 g_scanner_destroy (priv->scanner);
2878 priv->scanner = scanner_backup;
2884 g_warning ("Error loading imported file \"%s\": %s",
2885 path, (error) ? error->message : "");
2886 g_error_free (error);
2887 return G_TOKEN_IDENTIFIER;
2890 return G_TOKEN_NONE;
2893 return G_TOKEN_IDENTIFIER;
2896 expected_token = parse_selector (css_provider, scanner, &selector);
2898 if (expected_token != G_TOKEN_NONE)
2900 selector_path_unref (selector);
2901 return expected_token;
2904 priv->cur_selectors = g_slist_prepend (priv->cur_selectors, selector);
2906 while (scanner->token == ',')
2908 g_scanner_get_next_token (scanner);
2910 expected_token = parse_selector (css_provider, scanner, &selector);
2912 if (expected_token != G_TOKEN_NONE)
2914 selector_path_unref (selector);
2915 return expected_token;
2918 priv->cur_selectors = g_slist_prepend (priv->cur_selectors, selector);
2921 css_provider_pop_scope (css_provider);
2923 if (scanner->token != G_TOKEN_LEFT_CURLY)
2924 return G_TOKEN_LEFT_CURLY;
2926 /* Declarations parsing */
2927 css_provider_push_scope (css_provider, SCOPE_DECLARATION);
2928 g_scanner_get_next_token (scanner);
2930 while (scanner->token == G_TOKEN_IDENTIFIER)
2932 const gchar *value_str = NULL;
2933 GtkStylePropertyParser parse_func = NULL;
2935 GError *error = NULL;
2938 prop = g_strdup (scanner->value.v_identifier);
2939 g_scanner_get_next_token (scanner);
2941 if (scanner->token != ':')
2947 css_provider_push_scope (css_provider, SCOPE_VALUE);
2948 g_scanner_get_next_token (scanner);
2950 if (scanner->token != G_TOKEN_IDENTIFIER)
2953 return G_TOKEN_IDENTIFIER;
2956 value_str = g_strstrip (scanner->value.v_identifier);
2958 if (gtk_style_properties_lookup_property (prop, &parse_func, &pspec))
2962 val = g_slice_new0 (GValue);
2963 g_value_init (val, pspec->value_type);
2965 if (strcmp (value_str, "none") == 0)
2967 /* Insert the default value, so it has an opportunity
2968 * to override other style providers when merged
2970 g_param_value_set_default (pspec, val);
2971 g_hash_table_insert (priv->cur_properties, prop, val);
2973 else if (pspec->value_type == G_TYPE_STRING)
2975 g_value_set_string (val, value_str);
2976 g_hash_table_insert (priv->cur_properties, prop, val);
2978 else if ((parse_func && (parse_func) (value_str, val, &error)) ||
2979 (!parse_func && css_provider_parse_value (css_provider, value_str, val)))
2980 g_hash_table_insert (priv->cur_properties, prop, val);
2985 g_message ("Error parsing property value: %s\n", error->message);
2986 g_error_free (error);
2989 g_value_unset (val);
2990 g_slice_free (GValue, val);
2993 return G_TOKEN_IDENTIFIER;
2996 else if (prop[0] == '-' &&
2997 g_ascii_isupper (prop[1]))
3001 val = g_slice_new0 (GValue);
3002 g_value_init (val, G_TYPE_STRING);
3003 g_value_set_string (val, value_str);
3005 g_hash_table_insert (priv->cur_properties, prop, val);
3010 css_provider_pop_scope (css_provider);
3011 g_scanner_get_next_token (scanner);
3013 if (scanner->token != ';')
3016 g_scanner_get_next_token (scanner);
3019 if (scanner->token != G_TOKEN_RIGHT_CURLY)
3020 return G_TOKEN_RIGHT_CURLY;
3022 css_provider_pop_scope (css_provider);
3024 return G_TOKEN_NONE;
3028 scanner_msg (GScanner *scanner,
3032 GError **error = scanner->user_data;
3034 g_set_error_literal (error,
3035 GTK_CSS_PROVIDER_ERROR,
3036 GTK_CSS_PROVIDER_ERROR_FAILED,
3041 parse_stylesheet (GtkCssProvider *css_provider,
3044 GtkCssProviderPrivate *priv;
3046 priv = css_provider->priv;
3047 g_scanner_get_next_token (priv->scanner);
3049 while (!g_scanner_eof (priv->scanner))
3051 GTokenType expected_token;
3053 css_provider_reset_parser (css_provider);
3054 expected_token = parse_rule (css_provider, priv->scanner);
3056 if (expected_token != G_TOKEN_NONE)
3060 priv->scanner->msg_handler = scanner_msg;
3061 priv->scanner->user_data = error;
3064 g_scanner_unexp_token (priv->scanner, expected_token,
3066 "Error parsing style resource", FALSE);
3070 priv->scanner->msg_handler = NULL;
3071 priv->scanner->user_data = NULL;
3076 while (!g_scanner_eof (priv->scanner) &&
3077 priv->scanner->token != G_TOKEN_RIGHT_CURLY)
3078 g_scanner_get_next_token (priv->scanner);
3081 css_provider_commit (css_provider);
3083 g_scanner_get_next_token (priv->scanner);
3090 * gtk_css_provider_load_from_data:
3091 * @css_provider: a #GtkCssProvider
3092 * @data: CSS data loaded in memory
3093 * @length: the length of @data in bytes, or -1 for NUL terminated strings
3094 * @error: (out) (allow-none): return location for a #GError, or %NULL
3096 * Loads @data into @css_provider, making it clear any previously loaded
3099 * Returns: %TRUE if the data could be loaded.
3102 gtk_css_provider_load_from_data (GtkCssProvider *css_provider,
3107 GtkCssProviderPrivate *priv;
3109 g_return_val_if_fail (GTK_IS_CSS_PROVIDER (css_provider), FALSE);
3110 g_return_val_if_fail (data != NULL, FALSE);
3112 priv = css_provider->priv;
3115 length = strlen (data);
3117 if (priv->selectors_info->len > 0)
3118 g_ptr_array_remove_range (priv->selectors_info, 0, priv->selectors_info->len);
3120 priv->scanner->input_name = "-";
3121 g_scanner_input_text (priv->scanner, data, (guint) length);
3123 g_free (priv->filename);
3124 priv->filename = NULL;
3126 return parse_stylesheet (css_provider, error);
3130 * gtk_css_provider_load_from_file:
3131 * @css_provider: a #GtkCssProvider
3132 * @file: #GFile pointing to a file to load
3133 * @error: (out) (allow-none): return location for a #GError, or %NULL
3135 * Loads the data contained in @file into @css_provider, making it
3136 * clear any previously loaded information.
3138 * Returns: %TRUE if the data could be loaded.
3141 gtk_css_provider_load_from_file (GtkCssProvider *css_provider,
3145 GtkCssProviderPrivate *priv;
3146 GError *internal_error = NULL;
3151 g_return_val_if_fail (GTK_IS_CSS_PROVIDER (css_provider), FALSE);
3152 g_return_val_if_fail (G_IS_FILE (file), FALSE);
3154 priv = css_provider->priv;
3156 if (!g_file_load_contents (file, NULL,
3158 NULL, &internal_error))
3160 g_propagate_error (error, internal_error);
3164 if (priv->selectors_info->len > 0)
3165 g_ptr_array_remove_range (priv->selectors_info, 0, priv->selectors_info->len);
3167 g_free (priv->filename);
3168 priv->filename = g_file_get_path (file);
3170 priv->scanner->input_name = priv->filename;
3171 g_scanner_input_text (priv->scanner, data, (guint) length);
3173 ret = parse_stylesheet (css_provider, error);
3181 gtk_css_provider_load_from_path_internal (GtkCssProvider *css_provider,
3186 GtkCssProviderPrivate *priv;
3187 GError *internal_error = NULL;
3188 GMappedFile *mapped_file;
3193 priv = css_provider->priv;
3195 mapped_file = g_mapped_file_new (path, FALSE, &internal_error);
3199 g_propagate_error (error, internal_error);
3203 length = g_mapped_file_get_length (mapped_file);
3204 data = g_mapped_file_get_contents (mapped_file);
3211 if (priv->selectors_info->len > 0)
3212 g_ptr_array_remove_range (priv->selectors_info, 0, priv->selectors_info->len);
3214 g_free (priv->filename);
3215 priv->filename = g_strdup (path);
3218 priv->scanner->input_name = priv->filename;
3219 g_scanner_input_text (priv->scanner, data, (guint) length);
3221 ret = parse_stylesheet (css_provider, error);
3223 g_mapped_file_unref (mapped_file);
3229 * gtk_css_provider_load_from_path:
3230 * @css_provider: a #GtkCssProvider
3231 * @path: the path of a filename to load, in the GLib filename encoding
3232 * @error: (out) (allow-none): return location for a #GError, or %NULL
3234 * Loads the data contained in @path into @css_provider, making it clear
3235 * any previously loaded information.
3237 * Returns: %TRUE if the data could be loaded.
3240 gtk_css_provider_load_from_path (GtkCssProvider *css_provider,
3244 g_return_val_if_fail (GTK_IS_CSS_PROVIDER (css_provider), FALSE);
3245 g_return_val_if_fail (path != NULL, FALSE);
3247 return gtk_css_provider_load_from_path_internal (css_provider, path,
3252 * gtk_css_provider_get_default:
3254 * Returns the provider containing the style settings used as a
3255 * fallback for all widgets.
3257 * Returns: (transfer none): The provider used for fallback styling.
3258 * This memory is owned by GTK+, and you must not free it.
3261 gtk_css_provider_get_default (void)
3263 static GtkCssProvider *provider;
3265 if (G_UNLIKELY (!provider))
3268 "@define-color fg_color #000; \n"
3269 "@define-color bg_color #dcdad5; \n"
3270 "@define-color text_color #000; \n"
3271 "@define-color base_color #fff; \n"
3272 "@define-color selected_bg_color #4b6983; \n"
3273 "@define-color selected_fg_color #fff; \n"
3274 "@define-color tooltip_bg_color #eee1b3; \n"
3275 "@define-color tooltip_fg_color #000; \n"
3278 "GtkTreeView > GtkButton {\n"
3279 " background-color: @bg_color;\n"
3280 " color: @fg_color;\n"
3281 " border-color: shade (@bg_color, 0.6);\n"
3286 " background-color: shade (@bg_color, 1.05);\n"
3287 " color: shade (@fg_color, 1.3);\n"
3291 " background-color: @selected_bg_color;\n"
3292 " color: @selected_fg_color;\n"
3296 " background-color: shade (@bg_color, 0.9);\n"
3297 " color: shade (@bg_color, 0.7);\n"
3300 "GtkTreeView, GtkIconView, GtkTextView {\n"
3301 " background-color: @base_color;\n"
3302 " color: @text_color;\n"
3305 "GtkTreeView > row {\n"
3306 " background-color: @base_color;\n"
3307 " color: @text_color;\n"
3310 "GtkTreeView > row:nth-child(odd) { \n"
3311 " background-color: shade (@base_color, 0.93); \n"
3315 " background-color: @tooltip_bg_color; \n"
3316 " color: @tooltip_fg_color; \n"
3321 " border-style: outset; \n"
3322 " border-width: 2; \n"
3325 ".button:active {\n"
3326 " background-color: shade (@bg_color, 0.7);\n"
3327 " border-style: inset; \n"
3330 ".button:prelight,\n"
3331 ".slider:prelight {\n"
3332 " background-color: @selected_bg_color;\n"
3333 " color: @selected_fg_color;\n"
3334 " border-color: shade (@selected_bg_color, 0.7);\n"
3338 " border-style: inset;\n"
3339 " border-width: 1;\n"
3343 " border-style: inset;\n"
3344 " border-width: 2;\n"
3345 " background-color: @base_color;\n"
3346 " color: @text_color;\n"
3349 ".entry:insensitive {\n"
3350 " background-color: shade (@base_color, 0.9);\n"
3351 " color: shade (@base_color, 0.7);\n"
3355 ".entry.progressbar {\n"
3356 " background-color: @selected_bg_color;\n"
3357 " border-color: shade (@selected_bg_color, 0.7);\n"
3360 "GtkCheckButton:hover,\n"
3361 "GtkCheckButton:selected,\n"
3362 "GtkRadioButton:hover,\n"
3363 "GtkRadioButton:selected {\n"
3364 " background-color: shade (@bg_color, 1.05);\n"
3368 ".check:active, .radio:active,\n"
3369 ".check:hover, .radio:hover {\n"
3370 " background-color: @base_color;\n"
3371 " border-color: @fg_color;\n"
3372 " color: @text_color;\n"
3373 " border-style: solid;\n"
3374 " border-width: 1;\n"
3377 ".check:selected, .radio:selected {\n"
3378 " background-color: @selected_bg_color;\n"
3379 " color: @selected_fg_color;\n"
3382 ".menu.check, .menu.radio {\n"
3383 " color: @fg_color;\n"
3387 " background-color: @selected_bg_color;\n"
3388 " border-style: none;\n"
3392 " border-style: outset;\n"
3393 " border-width: 1;\n"
3397 " border-style: inset;\n"
3398 " border-width: 2;\n"
3402 " border-style: outset;\n"
3403 " border-width: 1;\n"
3407 " border-style: inset;\n"
3408 " border-width: 1;\n"
3412 provider = gtk_css_provider_new ();
3413 gtk_css_provider_load_from_data (provider, str, -1, NULL);
3420 css_provider_get_theme_dir (void)
3425 var = g_getenv ("GTK_DATA_PREFIX");
3428 path = g_build_filename (var, "share", "themes", NULL);
3430 path = g_build_filename (GTK_DATA_PREFIX, "share", "themes", NULL);
3436 * gtk_css_provider_get_named:
3437 * @name: A theme name
3438 * @variant: variant to load, for example, "dark", or %NULL for the default
3440 * Loads a theme from the usual theme paths
3442 * Returns: (transfer none): a #GtkCssProvider with the theme loaded.
3443 * This memory is owned by GTK+, and you must not free it.
3446 gtk_css_provider_get_named (const gchar *name,
3447 const gchar *variant)
3449 static GHashTable *themes = NULL;
3450 GtkCssProvider *provider;
3452 if (G_UNLIKELY (!themes))
3453 themes = g_hash_table_new (g_str_hash, g_str_equal);
3455 provider = g_hash_table_lookup (themes, name);
3459 const gchar *home_dir;
3460 gchar *subpath, *path = NULL;
3463 subpath = g_strdup_printf ("gtk-3.0" G_DIR_SEPARATOR_S "gtk-%s.css", variant);
3465 subpath = g_strdup ("gtk-3.0" G_DIR_SEPARATOR_S "gtk.css");
3467 /* First look in the users home directory
3469 home_dir = g_get_home_dir ();
3472 path = g_build_filename (home_dir, ".themes", name, subpath, NULL);
3474 if (!g_file_test (path, G_FILE_TEST_EXISTS))
3483 gchar *theme_dir = css_provider_get_theme_dir ();
3484 path = g_build_filename (theme_dir, name, subpath, NULL);
3487 if (!g_file_test (path, G_FILE_TEST_EXISTS))
3496 GError *error = NULL;
3498 provider = gtk_css_provider_new ();
3499 gtk_css_provider_load_from_path (provider, path, &error);
3503 g_warning ("Could not load named theme \"%s\": %s", name, error->message);
3504 g_error_free (error);
3506 g_object_unref (provider);
3510 g_hash_table_insert (themes, g_strdup (name), provider);