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/*
* $Id: ctkcontainer.c,v 1.21 2000/07/13 01:02:49 terpstra Exp $
*
* CTK - Console Toolkit
*
* Copyright (C) 1998-2000 Stormix Technologies Inc.
*
* License: LGPL
*
* Authors: Kevin Lindsay, Wesley Terpstra
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include "ctk.h"
/* initialize a container */
void ctk_container_init(CtkContainer *container)
{
/* Initialize Widget Structure */
ctk_widget_init(&container->widget);
/* Initialize Signals */
ctk_signal_new("check_resize",CtkTypeContainer);
container->border_width = 0;
container->set_child_flags = &ctk_container_set_default_child_flags;
container->lost_child = NULL;
container->last = NULL;
}
void ctk_container_set_default_child_flags(CtkContainer* container, CtkWidget* child)
{
/* By default a container doesn't change the child */
}
/* Add a widget to a container */
void ctk_container_add(CtkContainer* container, CtkWidget* widget)
{
GNode* node;
if (!container)
{
ctk_close();
g_error("ctk_container_add: CtkContainer *container == NULL");
}
if (!widget)
return;
(*container->set_child_flags)(container, widget);
node = widget->node;
if (container->last)
{
node->prev = container->last;
node->prev->next = node;
node->parent = CTK_WIDGET(container)->node;
container->last = node;
}
else
{
g_node_append(CTK_WIDGET(container)->node, node);
container->last = node;
}
ctk_size_mark_changed(widget);
}
void ctk_container_remove(CtkContainer* container, CtkWidget* widget)
{
GNode* child_node;
CtkWindow* window;
if (!container || !widget)
return;
/* Remove the focus on this item */
window = ctk_window_container(widget);
if (window)
{
/* Does our windows focused widget have packing through
* this node? If so, reset the focus.
*/
GNode* scan;
for (scan = window->focus_widget->node; scan; scan = scan->parent)
{
if (scan == widget->node)
{
/* The focused widget is in the thing we're
* unpacking so unfocus!
*/
ctk_window_set_focus(window, CTK_WIDGET(window));
}
}
}
child_node = widget->node;
if (!child_node || child_node->parent != CTK_WIDGET(container)->node)
return;
if (container->last == child_node)
container->last = child_node->prev;
g_node_unlink(child_node);
ctk_size_mark_changed(CTK_WIDGET(container));
if (container->lost_child)
(*container->lost_child)(container, widget);
}
void ctk_container_set_border_width(CtkContainer* container,
gint border_width)
{
if (!container)
return;
if (border_width < 0)
border_width = 0;
container->border_width = border_width;
ctk_size_mark_changed(CTK_WIDGET(container));
}
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