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listbox: Implement gtk_list_box_insert()

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... to make it possible to insert rows in the middle of the list without having
to fiddle with the sort functions. One of the first users is going to be Glade.

https://bugzilla.gnome.org/show_bug.cgi?id=705558
This commit is contained in:
Kalev Lember 2013-08-07 12:36:03 +02:00
parent e6cb3f3719
commit 43c68e118f
3 changed files with 38 additions and 8 deletions
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1
docs/reference/gtk/gtk3-sections.txt
View File

@ -511,6 +511,7 @@ GtkListBoxUpdateHeaderFunc
gtk_list_box_new
gtk_list_box_prepend
gtk_list_box_insert
gtk_list_box_select_row
gtk_list_box_get_selected_row

41
gtk/gtklistbox.c
View File

@ -1671,15 +1671,33 @@ gtk_list_box_row_visibility_changed (GtkListBox *list_box,
}
}
static void
gtk_list_box_add_row (GtkListBox *list_box,
GtkWidget *child,
gboolean prepend)
/**
* gtk_list_box_insert:
* @list_box: a #GtkListBox.
* @child: the #GtkWidget to add
* @position: the position to insert @child in
*
* Insert the @child into the @list_box at @position. If a sort function is
* set, the widget will actually be inserted at the calculated position and
* this function has the same effect of gtk_container_add().
*
* If @position is -1, or larger than the total number of items in the
* @list_box, then the @child will be appended to the end.
*
* Since: 3.10
*/
void
gtk_list_box_insert (GtkListBox *list_box,
GtkWidget *child,
gint position)
{
GtkListBoxPrivate *priv = gtk_list_box_get_instance_private (list_box);
GtkListBoxRow *row;
GSequenceIter* iter = NULL;
g_return_if_fail (list_box != NULL);
g_return_if_fail (child != NULL);
if (GTK_IS_LIST_BOX_ROW (child))
row = GTK_LIST_BOX_ROW (child);
else
@ -1692,10 +1710,17 @@ gtk_list_box_add_row (GtkListBox *list_box,
if (priv->sort_func != NULL)
iter = g_sequence_insert_sorted (priv->children, row,
(GCompareDataFunc)do_sort, list_box);
else if (prepend)
else if (position == 0)
iter = g_sequence_prepend (priv->children, row);
else
else if (position == -1)
iter = g_sequence_append (priv->children, row);
else
{
GSequenceIter *current_iter;
current_iter = g_sequence_get_iter_at_pos (priv->children, position);
iter = g_sequence_insert_before (current_iter, row);
}
ROW_PRIV (row)->iter = iter;
gtk_widget_set_parent (GTK_WIDGET (row), GTK_WIDGET (list_box));
@ -1716,7 +1741,7 @@ static void
gtk_list_box_real_add (GtkContainer *container,
GtkWidget *child)
{
gtk_list_box_add_row (GTK_LIST_BOX (container), child, FALSE);
gtk_list_box_insert (GTK_LIST_BOX (container), child, -1);
}
static void
@ -2069,7 +2094,7 @@ void
gtk_list_box_prepend (GtkListBox *list_box,
GtkWidget *child)
{
gtk_list_box_add_row (list_box, child, TRUE);
gtk_list_box_insert (list_box, child, 0);
}
/**

4
gtk/gtklistbox.h
View File

@ -164,6 +164,10 @@ GDK_AVAILABLE_IN_3_10
void gtk_list_box_prepend (GtkListBox *list_box,
GtkWidget *child);
GDK_AVAILABLE_IN_3_10
void gtk_list_box_insert (GtkListBox *list_box,
GtkWidget *child,
gint position);
GDK_AVAILABLE_IN_3_10
GtkListBoxRow* gtk_list_box_get_selected_row (GtkListBox *list_box);
GDK_AVAILABLE_IN_3_10
GtkListBoxRow* gtk_list_box_get_row_at_index (GtkListBox *list_box,