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Fixed GtkCellView to not clear the layout when disposing

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The layout belongs the underlying area which may be shared across
views and treemenus, let the cells be destroyed when the area is finally
destroyed.
This commit is contained in:
Tristan Van Berkom 2010-11-20 16:30:51 +09:00
parent 53bdca9dae
commit 6d8dfd5546
1 changed files with 35 additions and 2 deletions
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37
gtk/gtkcellview.c
View File

@ -52,6 +52,8 @@ struct _GtkCellViewPrivate
GdkRGBA background;
gboolean background_set;
gulong size_changed_id;
};
@ -133,6 +135,11 @@ static void gtk_cell_view_get_preferred_height_for_width (GtkWidget
gint *minimum_size,
gint *natural_size);
static void context_size_changed_cb (GtkCellAreaContext *context,
GParamSpec *pspec,
GtkWidget *view);
static GtkBuildableIface *parent_buildable_iface;
enum
@ -308,6 +315,10 @@ gtk_cell_view_constructor (GType type,
if (!priv->context)
priv->context = gtk_cell_area_create_context (priv->area);
priv->size_changed_id =
g_signal_connect (priv->context, "notify",
G_CALLBACK (context_size_changed_cb), view);
return object;
}
@ -442,8 +453,6 @@ gtk_cell_view_dispose (GObject *object)
{
GtkCellView *cellview = GTK_CELL_VIEW (object);
gtk_cell_view_cell_layout_clear (GTK_CELL_LAYOUT (cellview));
if (cellview->priv->model)
{
g_object_unref (cellview->priv->model);
@ -458,8 +467,11 @@ gtk_cell_view_dispose (GObject *object)
if (cellview->priv->context)
{
g_signal_handler_disconnect (cellview->priv->context, cellview->priv->size_changed_id);
g_object_unref (cellview->priv->context);
cellview->priv->context = NULL;
cellview->priv->size_changed_id = 0;
}
G_OBJECT_CLASS (gtk_cell_view_parent_class)->dispose (object);
@ -645,6 +657,19 @@ gtk_cell_view_cell_layout_get_area (GtkCellLayout *layout)
return cellview->priv->area;
}
static void
context_size_changed_cb (GtkCellAreaContext *context,
GParamSpec *pspec,
GtkWidget *view)
{
if (!strcmp (pspec->name, "minimum-width") ||
!strcmp (pspec->name, "natural-width") ||
!strcmp (pspec->name, "minimum-height") ||
!strcmp (pspec->name, "natural-height"))
gtk_widget_queue_resize (view);
}
/**
* gtk_cell_view_new:
*
@ -1164,12 +1189,16 @@ gtk_cell_view_get_preferred_width (GtkWidget *widget,
GtkCellView *cellview = GTK_CELL_VIEW (widget);
GtkCellViewPrivate *priv = cellview->priv;
g_signal_handler_block (priv->context, priv->size_changed_id);
if (cellview->priv->displayed_row)
gtk_cell_view_set_cell_data (cellview);
gtk_cell_area_get_preferred_width (priv->area, priv->context, widget, NULL, NULL);
gtk_cell_area_context_sum_preferred_width (priv->context);
gtk_cell_area_context_get_preferred_width (priv->context, minimum_size, natural_size);
g_signal_handler_unblock (priv->context, priv->size_changed_id);
}
static void
@ -1180,12 +1209,16 @@ gtk_cell_view_get_preferred_height (GtkWidget *widget,
GtkCellView *cellview = GTK_CELL_VIEW (widget);
GtkCellViewPrivate *priv = cellview->priv;
g_signal_handler_block (priv->context, priv->size_changed_id);
if (cellview->priv->displayed_row)
gtk_cell_view_set_cell_data (cellview);
gtk_cell_area_get_preferred_height (priv->area, priv->context, widget, NULL, NULL);
gtk_cell_area_context_sum_preferred_height (priv->context);
gtk_cell_area_context_get_preferred_height (priv->context, minimum_size, natural_size);
g_signal_handler_unblock (priv->context, priv->size_changed_id);
}
static void