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GtkThemingEngine: Add gtk_theming_engine_register_property().

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This function may be used for custom property registration from
theming engines. The property names will have the
-${engine-type-name}-${prop-name} format, the parser has been
modified to allow properties with '-' as the first char.
This commit is contained in:
Carlos Garnacho 2010-08-04 17:51:19 +02:00
parent d9e3782391
commit e04dfd4d6d
3 changed files with 45 additions and 12 deletions
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32
gtk/gtkcssprovider.c
View File

@ -622,6 +622,14 @@ gtk_css_provider_get_style (GtkStyleProvider *provider,
{
gchar *prop = key;
/* Properties starting with '-' may be both widget style properties
* or custom properties from the theming engine, so check whether
* the type is registered or not.
*/
if (prop[0] == '-' &&
!gtk_style_set_lookup_property (prop, NULL, NULL))
continue;
if (info->state == GTK_STATE_NORMAL)
gtk_style_set_set_default (set, key, value);
else
@ -1423,18 +1431,7 @@ parse_rule (GtkCssProvider *css_provider,
value_str = g_strstrip (scanner->value.v_identifier);
if (prop[0] == '-' &&
g_ascii_isupper (prop[1]))
{
GValue *val;
val = g_slice_new0 (GValue);
g_value_init (val, G_TYPE_STRING);
g_value_set_string (val, value_str);
g_hash_table_insert (priv->cur_properties, prop, val);
}
else if (gtk_style_set_lookup_property (prop, &prop_type, &parse_func))
if (gtk_style_set_lookup_property (prop, &prop_type, &parse_func))
{
GValue *val;
@ -1464,6 +1461,17 @@ parse_rule (GtkCssProvider *css_provider,
return G_TOKEN_IDENTIFIER;
}
}
else if (prop[0] == '-' &&
g_ascii_isupper (prop[1]))
{
GValue *val;
val = g_slice_new0 (GValue);
g_value_init (val, G_TYPE_STRING);
g_value_set_string (val, value_str);
g_hash_table_insert (priv->cur_properties, prop, val);
}
else
g_free (prop);

19
gtk/gtkthemingengine.c
View File

@ -194,6 +194,25 @@ _gtk_theming_engine_set_context (GtkThemingEngine *engine,
priv->context = context;
}
void
gtk_theming_engine_register_property (GtkThemingEngine *engine,
const gchar *property_name,
GType type,
const GValue *default_value,
GtkStylePropertyParser parse_func)
{
gchar *name;
g_return_if_fail (GTK_IS_THEMING_ENGINE (engine));
g_return_if_fail (property_name != NULL);
g_return_if_fail (type != G_TYPE_INVALID);
g_return_if_fail (default_value != NULL && G_IS_VALUE (default_value));
name = g_strdup_printf ("-%s-%s", G_OBJECT_TYPE_NAME (engine), property_name);
gtk_style_set_register_property (name, type, default_value, parse_func);
g_free (name);
}
void
gtk_theming_engine_get_property (GtkThemingEngine *engine,
const gchar *property,

6
gtk/gtkthemingengine.h
View File

@ -139,6 +139,12 @@ GType gtk_theming_engine_get_type (void) G_GNUC_CONST;
void _gtk_theming_engine_set_context (GtkThemingEngine *engine,
GtkStyleContext *context);
void gtk_theming_engine_register_property (GtkThemingEngine *engine,
const gchar *property_name,
GType type,
const GValue *default_value,
GtkStylePropertyParser parse_func);
void gtk_theming_engine_get_property (GtkThemingEngine *engine,
const gchar *property,
GtkStateType state,