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shell: Make list box scrolling helper work for unmapped widgets

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This commit is contained in:
Rui Matos 2014-06-26 14:46:19 +02:00
parent 61a6c6f0cb
commit 4393e212b1
1 changed files with 7 additions and 10 deletions
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17
shell/list-box-helper.c
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@ -42,36 +42,34 @@ cc_list_box_update_header_func (GtkListBoxRow *row,
void
cc_list_box_adjust_scrolling (GtkListBox *listbox)
{
GtkWidget *parent;
GtkWidget *scrolled_window;
GList *children;
guint n_rows;
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)
if (!scrolled_window)
return;
children = gtk_container_get_children (GTK_CONTAINER (listbox));
n_rows = g_list_length (children);
g_list_free (children);
if (n_rows >= MAX_ROWS_VISIBLE)
{
gint height;
gtk_widget_get_preferred_height (parent, NULL, &height);
gtk_widget_set_size_request (parent, -1, height);
gint row_height;
gtk_widget_get_preferred_height (GTK_WIDGET (children->data), &row_height, NULL);
gtk_scrolled_window_set_min_content_height (GTK_SCROLLED_WINDOW (scrolled_window), row_height * MAX_ROWS_VISIBLE);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
}
else
{
gtk_widget_set_size_request (parent, -1, -1);
gtk_scrolled_window_set_min_content_height (GTK_SCROLLED_WINDOW (scrolled_window), -1);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_POLICY_NEVER, GTK_POLICY_NEVER);
}
g_list_free (children);
}
void
@ -91,6 +89,5 @@ cc_list_box_setup_scrolling (GtkListBox *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);
}