* SECTION:gtk-clutter-util
* @short_description: Utility functions for integrating Clutter in GTK+
*
- * FIXME
+ * In order to properly integrate a Clutter scene into a GTK+ applications
+ * a certain degree of state must be retrieved from GTK+ itself.
*
+ * Clutter-GTK provides API for easing the process of synchronizing colors
+ * with the current GTK+ theme and for loading image sources from #GdkPixbuf,
+ * GTK+ stock items and icon themes.
*/
static inline void
break;
}
- color->red = (guint8) ((gtk_color.red / 65535.0) * 255);
- color->green = (guint8) ((gtk_color.green / 65535.0) * 255);
- color->blue = (guint8) ((gtk_color.blue / 65535.0) * 255);
+ color->red = CLAMP (((gtk_color.red / 65535.0) * 255), 0, 255);
+ color->green = CLAMP (((gtk_color.green / 65535.0) * 255), 0, 255);
+ color->blue = CLAMP (((gtk_color.blue / 65535.0) * 255), 0, 255);
+ color->alpha = 255;
}
/**
* gtk_clutter_get_fg_color:
- * @widget:
- * @state:
- * @color:
+ * @widget: a #GtkWidget
+ * @state: a state
+ * @color: return location for a #ClutterColor
*
- * FIXME
+ * Retrieves the foreground color of @widget for the given @state and copies
+ * it into @color.
*
* Since: 0.8
*/
/**
* gtk_clutter_get_bg_color:
- * @widget:
- * @state:
- * @color:
+ * @widget: a #GtkWidget
+ * @state: a state
+ * @color: return location for a #ClutterColor
*
- * FIXME
+ * Retrieves the background color of @widget for the given @state and copies
+ * it into @color.
*
* Since: 0.8
*/
/**
* gtk_clutter_get_text_color:
- * @widget:
- * @state:
- * @color:
+ * @widget: a #GtkWidget
+ * @state: a state
+ * @color: return location for a #ClutterColor
*
- * FIXME
+ * Retrieves the text color of @widget for the given @state and copies it
+ * into @color.
*
* Since: 0.8
*/
/**
* gtk_clutter_get_base_color:
- * @widget:
- * @state:
- * @color:
+ * @widget: a #GtkWidget
+ * @state: a state
+ * @color: return location for a #ClutterColor
*
- * FIXME
+ * Retrieves the base color of @widget for the given @state and copies it
+ * into @color.
*
* Since: 0.8
*/
* gtk_clutter_texture_new_from_pixbuf:
* @pixbuf: a #GdkPixbuf
*
- * FIXME
+ * Creates a new #ClutterTexture and sets its contents with a copy
+ * of @pixbuf.
*
* Return value: the newly created #ClutterTexture
*
}
/**
+ * gtk_clutter_texture_set_from_pixbuf:
+ * @texture: a #ClutterTexture
+ * @pixbuf: a #GdkPixbuf
+ *
+ * Sets the contents of @texture with a copy of @pixbuf.
+ *
+ * Since: 0.8
+ */
+void
+gtk_clutter_texture_set_from_pixbuf (ClutterTexture *texture,
+ GdkPixbuf *pixbuf)
+{
+ GError *error;
+
+ g_return_if_fail (CLUTTER_IS_TEXTURE (texture));
+ g_return_if_fail (GDK_IS_PIXBUF (pixbuf));
+
+ error = NULL;
+ clutter_texture_set_from_rgb_data (texture,
+ gdk_pixbuf_get_pixels (pixbuf),
+ gdk_pixbuf_get_has_alpha (pixbuf),
+ gdk_pixbuf_get_width (pixbuf),
+ gdk_pixbuf_get_height (pixbuf),
+ gdk_pixbuf_get_rowstride (pixbuf),
+ 4, 0,
+ &error);
+ if (error)
+ {
+ g_warning ("Unable to set the pixbuf: %s", error->message);
+ g_error_free (error);
+ }
+}
+
+/**
* gtk_clutter_texture_new_from_stock:
* @widget: a #GtkWidget
- * @stock_id: FIXME
- * @size: FIXME
+ * @stock_id: the stock id of the icon
+ * @size: the size of the icon, or -1
*
- * FIXME
+ * Creates a new #ClutterTexture and sets its contents using the stock
+ * icon @stock_id as rendered by @widget.
*
* Return value: the newly created #ClutterTexture
*
}
/**
- * gtk_clutter_texture_new_from_icon_name:
+ * gtk_clutter_texture_set_from_stock:
+ * @texture: a #ClutterTexture
* @widget: a #GtkWidget
- * @icon_name: FIXME
- * @size: FIXME
+ * @stock_id: the stock id of the icon
+ * @size: the size of the icon, or -1
*
- * FIXME
+ * Sets the contents of @texture using the stock icon @stock_id, as
+ * rendered by @widget.
*
- * Return value: the newly created #ClutterTexture
+ * Since: 0.8
+ */
+void
+gtk_clutter_texture_set_from_stock (ClutterTexture *texture,
+ GtkWidget *widget,
+ const gchar *stock_id,
+ GtkIconSize size)
+{
+ GdkPixbuf *pixbuf;
+
+ g_return_if_fail (CLUTTER_IS_TEXTURE (texture));
+ g_return_if_fail (GTK_IS_WIDGET (widget));
+ g_return_if_fail (stock_id != NULL);
+ g_return_if_fail (size > GTK_ICON_SIZE_INVALID || size == -1);
+
+ pixbuf = gtk_widget_render_icon (widget, stock_id, size, NULL);
+ if (!pixbuf)
+ pixbuf = gtk_widget_render_icon (widget,
+ GTK_STOCK_MISSING_IMAGE, size,
+ NULL);
+
+ gtk_clutter_texture_set_from_pixbuf (texture, pixbuf);
+ g_object_unref (pixbuf);
+}
+
+/**
+ * gtk_clutter_texture_new_from_icon_name:
+ * @widget: a #GtkWidget or %NULL
+ * @icon_name: the name of the icon
+ * @size: the size of the icon, or -1
+ *
+ * Creates a new #ClutterTexture and sets its contents to be
+ * the @icon_name from the current icon theme.
+ *
+ * Return value: the newly created texture, or %NULL if @widget
+ * was %NULL and @icon_name was not found.
*
* Since: 0.8
*/
GError *error;
ClutterActor *retval;
- g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
+ g_return_val_if_fail (widget == NULL || GTK_IS_WIDGET (widget), NULL);
g_return_val_if_fail (icon_name != NULL, NULL);
g_return_val_if_fail (size > GTK_ICON_SIZE_INVALID || size == -1, NULL);
- if (gtk_widget_has_screen (widget))
+ if (widget && gtk_widget_has_screen (widget))
{
GdkScreen *screen;
icon_theme = gtk_icon_theme_get_default ();
}
- if (!gtk_icon_size_lookup_for_settings (settings, size, &width, &height))
+ if (size == -1 ||
+ !gtk_icon_size_lookup_for_settings (settings, size, &width, &height))
{
- g_warning ("Invalid icon size");
width = height = 48;
}
&error);
if (error)
{
+ g_warning ("Unable to load the icon `%s' from the theme: %s",
+ icon_name,
+ error->message);
+
g_error_free (error);
- return gtk_clutter_texture_new_from_stock (widget,
- GTK_STOCK_MISSING_IMAGE,
- size);
+
+ if (widget)
+ return gtk_clutter_texture_new_from_stock (widget,
+ GTK_STOCK_MISSING_IMAGE,
+ size);
+ else
+ return NULL;
}
retval = gtk_clutter_texture_new_from_pixbuf (pixbuf);
return retval;
}
+
+/**
+ * gtk_clutter_texture_set_from_icon_name:
+ * @texture: a #ClutterTexture
+ * @widget: a #GtkWidget or %NULL
+ * @icon_name: the name of the icon
+ * @size: the icon size or -1
+ *
+ * Sets the contents of @texture using the @icon_name from the
+ * current icon theme.
+ *
+ * Since: 0.8
+ */
+void
+gtk_clutter_texture_set_from_icon_name (ClutterTexture *texture,
+ GtkWidget *widget,
+ const gchar *icon_name,
+ GtkIconSize size)
+{
+ GtkSettings *settings;
+ GtkIconTheme *icon_theme;
+ gint width, height;
+ GdkPixbuf *pixbuf;
+ GError *error;
+
+ g_return_if_fail (CLUTTER_IS_TEXTURE (texture));
+ g_return_if_fail (widget == NULL || GTK_IS_WIDGET (widget));
+ g_return_if_fail (icon_name != NULL);
+ g_return_if_fail (size > GTK_ICON_SIZE_INVALID || size == -1);
+
+ if (widget && gtk_widget_has_screen (widget))
+ {
+ GdkScreen *screen;
+
+ screen = gtk_widget_get_screen (widget);
+ settings = gtk_settings_get_for_screen (screen);
+ icon_theme = gtk_icon_theme_get_for_screen (screen);
+ }
+ else
+ {
+ settings = gtk_settings_get_default ();
+ icon_theme = gtk_icon_theme_get_default ();
+ }
+
+ if (size == -1 ||
+ !gtk_icon_size_lookup_for_settings (settings, size, &width, &height))
+ {
+ width = height = 48;
+ }
+
+ error = NULL;
+ pixbuf = gtk_icon_theme_load_icon (icon_theme,
+ icon_name,
+ MIN (width, height), 0,
+ &error);
+ if (error)
+ {
+ g_warning ("Unable to load the icon `%s' from the theme: %s",
+ icon_name,
+ error->message);
+
+ g_error_free (error);
+
+ if (widget)
+ gtk_clutter_texture_set_from_stock (texture,
+ widget,
+ GTK_STOCK_MISSING_IMAGE,
+ size);
+ else
+ return;
+ }
+
+ gtk_clutter_texture_set_from_pixbuf (texture, pixbuf);
+ g_object_unref (pixbuf);
+}
projects / clutter-gtk / blobdiff