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shell: Fix list box scrolling helper

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GtkListBox doesn't implement GtkScrollable so it needs to be added to
a GtkViewport. Instead of having to do this in all .ui files, add a
new helper function to setup the widget tree correctly.

https://bugzilla.gnome.org/show_bug.cgi?id=732175
This commit is contained in:
Rui Matos 2014-06-24 18:41:42 +02:00
parent ea62444388
commit 61a6c6f0cb
6 changed files with 47 additions and 49 deletions
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32
shell/list-box-helper.c
View file

@ -40,15 +40,18 @@ cc_list_box_update_header_func (GtkListBoxRow *row,
}
void
cc_list_box_adjust_scrolling (GtkScrolledWindow *scrolled_window)
cc_list_box_adjust_scrolling (GtkListBox *listbox)
{
GtkWidget *listbox;
GtkWidget *parent;
GtkWidget *scrolled_window;
GList *children;
guint n_rows;
listbox = gtk_bin_get_child (GTK_BIN (scrolled_window));
parent = gtk_widget_get_parent (GTK_WIDGET (scrolled_window));
parent = g_object_get_data (G_OBJECT (listbox), "cc-scrolling-parent");
scrolled_window = g_object_get_data (G_OBJECT (listbox), "cc-scrolling-scrolled-window");
if (!parent || !scrolled_window)
return;
children = gtk_container_get_children (GTK_CONTAINER (listbox));
n_rows = g_list_length (children);
g_list_free (children);
@ -70,3 +73,24 @@ cc_list_box_adjust_scrolling (GtkScrolledWindow *scrolled_window)
GTK_POLICY_NEVER, GTK_POLICY_NEVER);
}
}
void
cc_list_box_setup_scrolling (GtkListBox *listbox)
{
GtkWidget *parent;
GtkWidget *scrolled_window;
parent = gtk_widget_get_parent (GTK_WIDGET (listbox));
scrolled_window = gtk_scrolled_window_new (NULL, NULL);
gtk_widget_show (scrolled_window);
g_object_ref (listbox);
gtk_container_remove (GTK_CONTAINER (parent), GTK_WIDGET (listbox));
gtk_container_add (GTK_CONTAINER (scrolled_window), GTK_WIDGET (listbox));
g_object_unref (listbox);
gtk_container_add (GTK_CONTAINER (parent), scrolled_window);
g_object_set_data (G_OBJECT (listbox), "cc-scrolling-parent", parent);
g_object_set_data (G_OBJECT (listbox), "cc-scrolling-scrolled-window", scrolled_window);
}