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Diffstat (limited to 'libgnomecanvas/gnome-canvas.c')
-rw-r--r--libgnomecanvas/gnome-canvas.c77
1 files changed, 34 insertions, 43 deletions
diff --git a/libgnomecanvas/gnome-canvas.c b/libgnomecanvas/gnome-canvas.c
index adc18621f9..cacabff454 100644
--- a/libgnomecanvas/gnome-canvas.c
+++ b/libgnomecanvas/gnome-canvas.c
@@ -136,7 +136,7 @@ static gint emit_event (GnomeCanvas *canvas, GdkEvent *ev
static guint item_signals[ITEM_LAST_SIGNAL];
-static GtkObjectClass *item_parent_class;
+static GObjectClass *item_parent_class;
/**
* gnome_canvas_item_get_type:
@@ -165,7 +165,7 @@ gnome_canvas_item_get_type (void)
NULL /* value_table */
};
- canvas_item_type = g_type_register_static (GTK_TYPE_OBJECT, "GnomeCanvasItem",
+ canvas_item_type = g_type_register_static (G_TYPE_OBJECT, "GnomeCanvasItem",
&object_info, 0);
}
@@ -362,6 +362,9 @@ gnome_canvas_item_dispose (GObject *object)
g_free (item->xform);
item->xform = NULL;
+ if (GNOME_CANVAS_ITEM_GET_CLASS (item)->destroy)
+ GNOME_CANVAS_ITEM_GET_CLASS (item)->destroy (item);
+
G_OBJECT_CLASS (item_parent_class)->dispose (object);
/* items should remove any reference to item->canvas after the
first ::destroy */
@@ -1355,7 +1358,7 @@ static void gnome_canvas_group_get_property (GObject *object,
GValue *value,
GParamSpec *pspec);
-static void gnome_canvas_group_destroy (GtkObject *object);
+static void gnome_canvas_group_destroy (GnomeCanvasItem *object);
static void gnome_canvas_group_update (GnomeCanvasItem *item, gdouble *affine,
ArtSVP *clip_path, gint flags);
@@ -1418,36 +1421,33 @@ gnome_canvas_group_get_type (void)
static void
gnome_canvas_group_class_init (GnomeCanvasGroupClass *class)
{
- GObjectClass *gobject_class;
- GtkObjectClass *object_class;
+ GObjectClass *object_class;
GnomeCanvasItemClass *item_class;
- gobject_class = (GObjectClass *) class;
- object_class = (GtkObjectClass *) class;
+ object_class = (GObjectClass *) class;
item_class = (GnomeCanvasItemClass *) class;
group_parent_class = g_type_class_peek_parent (class);
- gobject_class->set_property = gnome_canvas_group_set_property;
- gobject_class->get_property = gnome_canvas_group_get_property;
+ object_class->set_property = gnome_canvas_group_set_property;
+ object_class->get_property = gnome_canvas_group_get_property;
g_object_class_install_property
- (gobject_class, GROUP_PROP_X,
+ (object_class, GROUP_PROP_X,
g_param_spec_double ("x",
"X",
"X",
-G_MAXDOUBLE, G_MAXDOUBLE, 0.0,
(G_PARAM_READABLE | G_PARAM_WRITABLE)));
g_object_class_install_property
- (gobject_class, GROUP_PROP_Y,
+ (object_class, GROUP_PROP_Y,
g_param_spec_double ("y",
"Y",
"Y",
-G_MAXDOUBLE, G_MAXDOUBLE, 0.0,
(G_PARAM_READABLE | G_PARAM_WRITABLE)));
- object_class->destroy = gnome_canvas_group_destroy;
-
+ item_class->destroy = gnome_canvas_group_destroy;
item_class->update = gnome_canvas_group_update;
item_class->realize = gnome_canvas_group_realize;
item_class->unrealize = gnome_canvas_group_unrealize;
@@ -1553,7 +1553,7 @@ gnome_canvas_group_get_property (GObject *gobject, guint param_id,
/* Destroy handler for canvas groups */
static void
-gnome_canvas_group_destroy (GtkObject *object)
+gnome_canvas_group_destroy (GnomeCanvasItem *object)
{
GnomeCanvasGroup *group;
@@ -1562,12 +1562,12 @@ gnome_canvas_group_destroy (GtkObject *object)
group = GNOME_CANVAS_GROUP (object);
while (group->item_list) {
- // child is unref'ed by the child's group_remove ().
- gtk_object_destroy (GTK_OBJECT (group->item_list->data));
+ /* child is unref'ed by the child's group_remove (). */
+ g_object_run_dispose (G_OBJECT (group->item_list->data));
}
- if (GTK_OBJECT_CLASS (group_parent_class)->destroy)
- (* GTK_OBJECT_CLASS (group_parent_class)->destroy) (object);
+ if (GNOME_CANVAS_ITEM_CLASS (group_parent_class)->destroy)
+ GNOME_CANVAS_ITEM_CLASS (group_parent_class)->destroy (object);
}
/* Update handler for canvas groups */
@@ -1941,7 +1941,7 @@ enum {
static void gnome_canvas_class_init (GnomeCanvasClass *class);
static void gnome_canvas_init (GnomeCanvas *canvas);
-static void gnome_canvas_destroy (GtkObject *object);
+static void gnome_canvas_dispose (GObject *object);
static void gnome_canvas_map (GtkWidget *widget);
static void gnome_canvas_unmap (GtkWidget *widget);
static void gnome_canvas_realize (GtkWidget *widget);
@@ -2055,20 +2055,17 @@ gnome_canvas_set_property (GObject *object,
static void
gnome_canvas_class_init (GnomeCanvasClass *klass)
{
- GObjectClass *gobject_class;
- GtkObjectClass *object_class;
+ GObjectClass *object_class;
GtkWidgetClass *widget_class;
- gobject_class = (GObjectClass *)klass;
- object_class = (GtkObjectClass *) klass;
+ object_class = (GObjectClass *)klass;
widget_class = (GtkWidgetClass *) klass;
canvas_parent_class = g_type_class_peek_parent (klass);
- gobject_class->set_property = gnome_canvas_set_property;
- gobject_class->get_property = gnome_canvas_get_property;
-
- object_class->destroy = gnome_canvas_destroy;
+ object_class->set_property = gnome_canvas_set_property;
+ object_class->get_property = gnome_canvas_get_property;
+ object_class->dispose = gnome_canvas_dispose;
widget_class->map = gnome_canvas_map;
widget_class->unmap = gnome_canvas_unmap;
@@ -2098,7 +2095,7 @@ gnome_canvas_class_init (GnomeCanvasClass *klass)
FALSE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
- g_object_class_install_property (gobject_class, PROP_FOCUSED_ITEM,
+ g_object_class_install_property (object_class, PROP_FOCUSED_ITEM,
g_param_spec_object ("focused_item", NULL, NULL,
GNOME_TYPE_CANVAS_ITEM,
(G_PARAM_READABLE | G_PARAM_WRITABLE)));
@@ -2128,9 +2125,9 @@ gnome_canvas_class_init (GnomeCanvasClass *klass)
* never ever do this, so we panic if this happens.
*/
G_GNUC_NORETURN static void
-panic_root_destroyed (GtkObject *object, gpointer data)
+panic_root_finalized (gpointer data, GObject *gone_object)
{
- g_error ("Eeeek, root item %p of canvas %p was destroyed!", object, data);
+ g_error ("Eeeek, root item %p of canvas %p was destroyed!", gone_object, data);
}
/* Object initialization function for GnomeCanvas */
@@ -2182,9 +2179,7 @@ gnome_canvas_init (GnomeCanvas *canvas)
g_object_ref_sink (canvas->root);
- canvas->root_destroy_id = g_signal_connect (canvas->root, "destroy",
- G_CALLBACK (panic_root_destroyed),
- canvas);
+ g_object_weak_ref (G_OBJECT (canvas->root), panic_root_finalized, canvas);
canvas->need_repick = TRUE;
}
@@ -2227,32 +2222,28 @@ shutdown_transients (GnomeCanvas *canvas)
remove_idle (canvas);
}
-/* Destroy handler for GnomeCanvas */
+/* Dispose handler for GnomeCanvas */
static void
-gnome_canvas_destroy (GtkObject *object)
+gnome_canvas_dispose (GObject *object)
{
GnomeCanvas *canvas;
g_return_if_fail (GNOME_IS_CANVAS (object));
- /* remember, destroy can be run multiple times! */
+ /* remember, dispose can be run multiple times! */
canvas = GNOME_CANVAS (object);
- if (canvas->root_destroy_id) {
- g_signal_handler_disconnect (canvas->root, canvas->root_destroy_id);
- canvas->root_destroy_id = 0;
- }
if (canvas->root) {
- gtk_object_destroy (GTK_OBJECT (canvas->root));
+ g_object_weak_unref (G_OBJECT (canvas->root), panic_root_finalized, canvas);
g_object_unref (G_OBJECT (canvas->root));
canvas->root = NULL;
}
shutdown_transients (canvas);
- if (GTK_OBJECT_CLASS (canvas_parent_class)->destroy)
- (* GTK_OBJECT_CLASS (canvas_parent_class)->destroy) (object);
+ if (G_OBJECT_CLASS (canvas_parent_class)->dispose)
+ G_OBJECT_CLASS (canvas_parent_class)->dispose (object);
}
/**
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-13 02:08:27 +0800