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Store the default font name inside ClutterBackend

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The default backend stores some of the global defaults, like the
font options, text resolution, double click settings. It should also
store the default font name, to allow various text-based actors to
share the same settings.

When the font name changes, the ::font-changed signal is emitted,
to allow actors to pick up the change.
This commit is contained in:
Emmanuele Bassi 2008-12-23 15:03:11 +00:00
parent 977bdcf89b
commit 7262542155
2 changed files with 39 additions and 0 deletions
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34
clutter/clutter-backend.c
View File

@ -49,6 +49,8 @@
G_DEFINE_ABSTRACT_TYPE (ClutterBackend, clutter_backend, G_TYPE_OBJECT); G_DEFINE_ABSTRACT_TYPE (ClutterBackend, clutter_backend, G_TYPE_OBJECT);
#define DEFAULT_FONT_NAME "Sans 10"
#define CLUTTER_BACKEND_GET_PRIVATE(obj) \ #define CLUTTER_BACKEND_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), CLUTTER_TYPE_BACKEND, ClutterBackendPrivate)) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), CLUTTER_TYPE_BACKEND, ClutterBackendPrivate))
@ -61,6 +63,8 @@ struct _ClutterBackendPrivate
ClutterFixed resolution; ClutterFixed resolution;
cairo_font_options_t *font_options; cairo_font_options_t *font_options;
gchar *font_name;
}; };
enum enum
@ -76,6 +80,7 @@ static guint backend_signals[LAST_SIGNAL] = { 0, };
static void static void
clutter_backend_dispose (GObject *gobject) clutter_backend_dispose (GObject *gobject)
{ {
ClutterBackendPrivate *priv = CLUTTER_BACKEND (gobject)->priv;
ClutterMainContext *clutter_context; ClutterMainContext *clutter_context;
clutter_context = clutter_context_get_default (); clutter_context = clutter_context_get_default ();
@ -87,6 +92,8 @@ clutter_backend_dispose (GObject *gobject)
clutter_context->events_queue = NULL; clutter_context->events_queue = NULL;
} }
g_free (priv->font_name);
clutter_backend_set_font_options (CLUTTER_BACKEND (gobject), NULL); clutter_backend_set_font_options (CLUTTER_BACKEND (gobject), NULL);
G_OBJECT_CLASS (clutter_backend_parent_class)->dispose (gobject); G_OBJECT_CLASS (clutter_backend_parent_class)->dispose (gobject);
@ -514,3 +521,30 @@ clutter_backend_get_font_options (ClutterBackend *backend)
return priv->font_options; return priv->font_options;
} }
void
clutter_backend_set_font_name (ClutterBackend *backend,
const gchar *font_name)
{
ClutterBackendPrivate *priv;
g_return_if_fail (CLUTTER_IS_BACKEND (backend));
priv = backend->priv;
g_free (priv->font_name);
if (font_name == NULL || *font_name == '\0')
priv->font_name = g_strdup (DEFAULT_FONT_NAME);
else
priv->font_name = g_strdup (font_name);
g_signal_emit (backend, backend_signals[FONT_CHANGED], 0);
}
G_CONST_RETURN gchar *
clutter_backend_get_font_name (ClutterBackend *backend)
{
g_return_val_if_fail (CLUTTER_IS_BACKEND (backend), NULL);
return backend->priv->font_name;
}

5
clutter/clutter-backend.h
View File

@ -30,6 +30,8 @@
#include <cairo.h> #include <cairo.h>
#include <glib-object.h> #include <glib-object.h>
#include <pango/pango.h>
#include <clutter/clutter-actor.h> #include <clutter/clutter-actor.h>
#include <clutter/clutter-stage.h> #include <clutter/clutter-stage.h>
#include <clutter/clutter-event.h> #include <clutter/clutter-event.h>
@ -99,6 +101,9 @@ guint clutter_backend_get_double_click_distance (ClutterBackend
void clutter_backend_set_font_options (ClutterBackend *backend, void clutter_backend_set_font_options (ClutterBackend *backend,
cairo_font_options_t *options); cairo_font_options_t *options);
cairo_font_options_t *clutter_backend_get_font_options (ClutterBackend *backend); cairo_font_options_t *clutter_backend_get_font_options (ClutterBackend *backend);
void clutter_backend_set_font_name (ClutterBackend *backend,
const gchar *font_name);
G_CONST_RETURN gchar *clutter_backend_get_font_name (ClutterBackend *backend);
G_END_DECLS G_END_DECLS