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GtkListBox: Track visible in the row

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This is a minor performance improvement, but its mainly to
allow us to track when n_visible_children changes.
This commit is contained in:
Alexander Larsson 2013-06-11 16:13:00 +02:00
parent 217c2bb087
commit 9510b79d78
1 changed files with 19 additions and 8 deletions
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27
gtk/gtklistbox.c
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@ -88,6 +88,7 @@ struct _GtkListBoxRowPrivate
GtkWidget *header; GtkWidget *header;
gint y; gint y;
gint height; gint height;
gboolean visible;
}; };
enum { enum {
@ -1312,6 +1313,19 @@ gtk_list_box_real_realize (GtkWidget* widget)
gtk_widget_set_window (GTK_WIDGET (list_box), window); /* Passes ownership */ gtk_widget_set_window (GTK_WIDGET (list_box), window); /* Passes ownership */
} }
/* Children are visible if they are shown by the app (visible)
and not filtered out (child_visible) by the listbox */
static void
update_row_is_visible (GtkListBoxRow *row)
{
row->priv->visible = gtk_widget_get_visible (GTK_WIDGET (row)) && gtk_widget_get_child_visible (GTK_WIDGET (row));
}
static gboolean
row_is_visible (GtkListBoxRow *row)
{
return row->priv->visible;
}
static void static void
gtk_list_box_apply_filter (GtkListBox *list_box, GtkListBoxRow *row) gtk_list_box_apply_filter (GtkListBox *list_box, GtkListBoxRow *row)
@ -1324,6 +1338,8 @@ gtk_list_box_apply_filter (GtkListBox *list_box, GtkListBoxRow *row)
do_show = priv->filter_func (row, priv->filter_func_target); do_show = priv->filter_func (row, priv->filter_func_target);
gtk_widget_set_child_visible (GTK_WIDGET (row), do_show); gtk_widget_set_child_visible (GTK_WIDGET (row), do_show);
update_row_is_visible (row);
} }
static void static void
@ -1342,14 +1358,6 @@ gtk_list_box_apply_filter_all (GtkListBox *list_box)
} }
} }
/* Children are visible if they are shown by the app (visible)
and not filtered out (child_visible) by the listbox */
static gboolean
row_is_visible (GtkListBoxRow *row)
{
return gtk_widget_get_visible (GTK_WIDGET (row)) && gtk_widget_get_child_visible (GTK_WIDGET (row));
}
static GtkListBoxRow * static GtkListBoxRow *
gtk_list_box_get_first_visible (GtkListBox *list_box) gtk_list_box_get_first_visible (GtkListBox *list_box)
{ {
@ -1502,6 +1510,8 @@ gtk_list_box_update_header (GtkListBox *list_box, GSequenceIter* iter)
static void static void
gtk_list_box_row_visibility_changed (GtkListBox *list_box, GtkListBoxRow *row) gtk_list_box_row_visibility_changed (GtkListBox *list_box, GtkListBoxRow *row)
{ {
update_row_is_visible (row);
if (gtk_widget_get_visible (GTK_WIDGET (list_box))) if (gtk_widget_get_visible (GTK_WIDGET (list_box)))
{ {
gtk_list_box_update_header (list_box, row->priv->iter); gtk_list_box_update_header (list_box, row->priv->iter);
@ -1535,6 +1545,7 @@ gtk_list_box_real_add (GtkContainer* container, GtkWidget *child)
row->priv->iter = iter; row->priv->iter = iter;
gtk_widget_set_parent (GTK_WIDGET (row), GTK_WIDGET (list_box)); gtk_widget_set_parent (GTK_WIDGET (row), GTK_WIDGET (list_box));
row->priv->visible = gtk_widget_get_visible (GTK_WIDGET (row));
gtk_list_box_apply_filter (list_box, row); gtk_list_box_apply_filter (list_box, row);
if (gtk_widget_get_visible (GTK_WIDGET (list_box))) if (gtk_widget_get_visible (GTK_WIDGET (list_box)))
{ {