1 files changed, 90 insertions, 1 deletions
diff --git a/src/ui/theme.c b/src/ui/theme.c
index eb20285d..96dd25f0 100644
--- a/src/ui/theme.c
+++ b/src/ui/theme.c
@@ -1096,6 +1096,10 @@ meta_color_spec_new (MetaColorSpecType type)
 size += sizeof (dummy.data.gtk);
 break;
 
+ case META_COLOR_SPEC_GTK_CUSTOM:
+ size += sizeof (dummy.data.gtkcustom);
+ break;
+
 case META_COLOR_SPEC_BLEND:
 size += sizeof (dummy.data.blend);
 break;
@@ -1127,6 +1131,14 @@ meta_color_spec_free (MetaColorSpec *spec)
 DEBUG_FILL_STRUCT (&spec->data.gtk);
 break;
 
+ case META_COLOR_SPEC_GTK_CUSTOM:
+ if (spec->data.gtkcustom.color_name)
+ g_free (spec->data.gtkcustom.color_name);
+ if (spec->data.gtkcustom.fallback)
+ meta_color_spec_free (spec->data.gtkcustom.fallback);
+ DEBUG_FILL_STRUCT (&spec->data.gtkcustom);
+ break;
+
 case META_COLOR_SPEC_BLEND:
 if (spec->data.blend.foreground)
 meta_color_spec_free (spec->data.blend.foreground);
@@ -1153,7 +1165,67 @@ meta_color_spec_new_from_string (const char *str,
 
 spec = NULL;
 
- if (str[0] == 'g' && str[1] == 't' && str[2] == 'k' && str[3] == ':')
+ if (str[0] == 'g' && str[1] == 't' && str[2] == 'k' && str[3] == ':' &&
+ str[4] == 'c' && str[5] == 'u' && str[6] == 's' && str[7] == 't' &&
+ str[8] == 'o' && str[9] == 'm')
+ {
+ const char *color_name_start, *fallback_str_start, *end;
+ char *color_name, *fallback_str;
+ MetaColorSpec *fallback = NULL;
+
+ if (str[10] != '(')
+ {
+ g_set_error (err, META_THEME_ERROR,
+ META_THEME_ERROR_FAILED,
+ _("GTK custom color specification must have color name and fallback in parentheses, e.g. gtk:custom(foo,bar); could not parse \"%s\""),
+ str);
+ return NULL;
+ }
+
+ color_name_start = str + 11;
+
+ fallback_str_start = color_name_start;
+ while (*fallback_str_start && *fallback_str_start != ',')
+ {
+ if (!(g_ascii_isalnum (*fallback_str_start)
+ || *fallback_str_start == '-'
+ || *fallback_str_start == '_'))
+ {
+ g_set_error (err, META_THEME_ERROR,
+ META_THEME_ERROR_FAILED,
+ _("Invalid character '%c' in color_name parameter of gtk:custom, only A-Za-z0-9-_ are valid"),
+ *fallback_str_start);
+ return NULL;
+ }
+ fallback_str_start++;
+ }
+ fallback_str_start++;
+
+ end = strrchr (str, ')');
+
+ if (color_name_start == NULL || fallback_str_start == NULL || end == NULL)
+ {
+ g_set_error (err, META_THEME_ERROR,
+ META_THEME_ERROR_FAILED,
+ _("Gtk:custom format is \"gtk:custom(color_name,fallback)\", \"%s\" does not fit the format"),
+ str);
+ return NULL;
+ }
+
+ fallback_str = g_strndup (fallback_str_start, end - fallback_str_start);
+ fallback = meta_color_spec_new_from_string (fallback_str, err);
+ g_free (fallback_str);
+
+ if (fallback == NULL)
+ return NULL;
+
+ color_name = g_strndup (color_name_start, fallback_str_start - color_name_start - 1);
+
+ spec = meta_color_spec_new (META_COLOR_SPEC_GTK_CUSTOM);
+ spec->data.gtkcustom.color_name = color_name;
+ spec->data.gtkcustom.fallback = fallback;
+ }
+ else if (str[0] == 'g' && str[1] == 't' && str[2] == 'k' && str[3] == ':')
 {
 /* GTK color */
 const char *bracket;
@@ -1497,6 +1569,16 @@ meta_set_color_from_style (GdkRGBA *color,
 }
 }
 
+static void
+meta_set_custom_color_from_style (GdkRGBA *color,
+ GtkStyleContext *context,
+ char *color_name,
+ MetaColorSpec *fallback)
+{
+ if (!gtk_style_context_lookup_color (context, color_name, color))
+ meta_color_spec_render (fallback, context, color);
+}
+
 void
 meta_color_spec_render (MetaColorSpec *spec,
 GtkStyleContext *style,
@@ -1519,6 +1601,13 @@ meta_color_spec_render (MetaColorSpec *spec,
 spec->data.gtk.component);
 break;
 
+ case META_COLOR_SPEC_GTK_CUSTOM:
+ meta_set_custom_color_from_style (color,
+ style,
+ spec->data.gtkcustom.color_name,
+ spec->data.gtkcustom.fallback);
+ break;
+
 case META_COLOR_SPEC_BLEND:
 {
 GdkRGBA bg, fg;