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/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <tqlayout.h>
#include <tqsplitter.h>
#include "expandablewidget.h"
namespace kt
{
ExpandableWidget::ExpandableWidget(TQWidget* child,TQWidget *parent, const char *name)
: TQWidget(parent, name)
{
top_layout = new TQHBoxLayout(this);
child->reparent(this,TQPoint(),true);
// make top of stack
begin = new StackElement;
begin->w = child;
top_layout->add(child);
}
ExpandableWidget::~ExpandableWidget()
{
if (begin)
{
// delete begin->w;
delete begin;
}
}
void ExpandableWidget::expand(TQWidget* w,Position pos)
{
// create new element
StackElement* se = new StackElement;
se->w = w;
se->pos = pos;
se->next = begin;
// remove old top from layout
top_layout->remove(begin->w);
// create new toplevel splitter
Qt::Orientation orientation = (pos == RIGHT || pos == LEFT) ? Qt::Horizontal : Qt::Vertical;
TQSplitter* s = new TQSplitter(orientation,this);;
se->s = s;
// reparent w and the bottom widget to s
w->reparent(s,TQPoint(),false);
if (begin->s)
begin->s->reparent(s,TQPoint(),false);
else
begin->w->reparent(s,TQPoint(),false);
// add w and the bottom widget to s
if (pos == RIGHT || pos == ABOVE)
{
s->moveToFirst(w);
s->setResizeMode(w,TQSplitter::KeepSize);
s->moveToLast(begin->s ? begin->s : begin->w);
}
else
{
s->moveToFirst(begin->s ? begin->s : begin->w);
s->moveToLast(w);
s->setResizeMode(w,TQSplitter::KeepSize);
}
// make se new top of stack
begin = se;
// add toplevel splitter to layout
top_layout->add(s);
// show s
s->show();
}
void ExpandableWidget::remove(TQWidget* w)
{
// find the correct stackelement
StackElement* se = begin;
StackElement* prev = 0; // element before se
while (se->w != w && se->next)
{
prev = se;
se = se->next;
}
// do not remove last
if (!se->next)
return;
if (!prev)
{
// we need to remove the first
top_layout->remove(se->s);
// reparent current top to 0
se->w->reparent(0,TQPoint(),false);
se->s->reparent(0,TQPoint(),false);
// set new top
begin = se->next;
if (begin->s)
{
begin->s->reparent(this,TQPoint(),false);
top_layout->add(begin->s);
begin->s->show();
}
else
{
begin->w->reparent(this,TQPoint(),false);
top_layout->add(begin->w);
begin->w->show();
}
se->next = 0;
// delete splitter and se
delete se->s;
delete se;
}
else
{
StackElement* next = se->next;
// isolate the node
se->next = 0;
prev->next = next;
// reparent se to 0
se->s->reparent(0,TQPoint(),false);
se->w->reparent(0,TQPoint(),false);
// reparent se->next to prev
if (next->s)
next->s->reparent(prev->s,TQPoint(),false);
else
next->w->reparent(prev->s,TQPoint(),false);
// update prev's splitter
if (prev->pos == RIGHT || prev->pos == ABOVE)
{
prev->s->moveToFirst(prev->w);
prev->s->setResizeMode(prev->w,TQSplitter::KeepSize);
prev->s->moveToLast(next->s ? next->s : next->w);
prev->s->setResizeMode(next->s ? next->s : next->w,TQSplitter::KeepSize);
}
else
{
prev->s->moveToFirst(next->s ? next->s : next->w);
prev->s->setResizeMode(next->s ? next->s : next->w,TQSplitter::KeepSize);
prev->s->moveToLast(prev->w);
prev->s->setResizeMode(prev->w,TQSplitter::KeepSize);
}
// delete se and splitter
delete se->s;
delete se;
prev->next->w->show();
prev->s->show();
}
}
}
#include "expandablewidget.moc"
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