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