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//=========================================================
// MusE
// Linux Music Editor
// $Id: alayout.cpp,v 1.8 2004/02/28 14:58:24 wschweer Exp $
// (C) Copyright 2002 Werner Schweer (ws@seh.de)
//
// 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; 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 "alayout.h"
#include "arranger.h"
#include <QScrollBar>
namespace MusEGui {
//---------------------------------------------------------
// wadd
//---------------------------------------------------------
void TLLayout::wadd(int idx, QWidget* w)
{
li[idx] = new QWidgetItem(w);
if (idx == 0)
stack = (WidgetStack*)w;
if (idx == 1)
sb = (QScrollBar*)w;
addItem(li[idx]);
}
#if 0 // DELETETHIS 36
//---------------------------------------------------------
// TLLayoutIterator
//---------------------------------------------------------
class TLLayoutIterator
{
int idx;
QList<QLayoutItem*> list;
public:
TLLayoutIterator(QList<QLayoutItem*> l) : idx(0), list(l) {}
QLayoutItem *current() { return idx < int(list->count()) ? list->at(idx) : 0; }
QLayoutItem *next() { idx++; return current(); }
QLayoutItem *takeCurrent() { return list->take( idx ); }
};
//---------------------------------------------------------
// iterator
//---------------------------------------------------------
QLayoutIterator TLLayout::iterator()
{
return QLayoutIterator(0);
}
void TLLayout::addItem(QLayoutItem *item)
{
ilist.append(item);
}
TLLayout::~TLLayout()
{
deleteAllItems();
}
#endif
//---------------------------------------------------------
// setGeometry
// perform geometry management for tracklist:
//
// 0 1 2
// +-----------+--------+---------+
// | Trackinfo | scroll | header 2|
// | | bar +---------+ y1
// | ^ | | ^ |
// | | | <list> |
// | 0 | 1 | 3 |
// +-----------+--------+---------+ y2
// | hline 4 |
// +----------+-------------------+ y3
// | button 5 | |
// +----------+-------------------+
//---------------------------------------------------------
void TLLayout::setGeometry(const QRect &rect)
{
int w = rect.width();
int h = rect.height();
QSize s0;
if (stack->visibleWidget()) {
s0 = stack->visibleWidget()->minimumSizeHint();
if (!s0.isValid()) // widget has no geometry management
s0 = stack->visibleWidget()->size();
}
else
s0 = stack->minimumSizeHint();
QSize s1 = li[1]->sizeHint();
QSize s2 = li[2]->sizeHint();
//QSize s3 = li[3]->sizeHint(); DELETETHIS huh?
QSize s4 = li[4]->sizeHint();
QSize s5 = li[5]->sizeHint();
int y1 = 30; // fixed header height
int ah = h - s5.height() - s4.height() - y1; // list height
int aw = w - s1.width() - s0.width(); // list width
int y2 = ah + s2.height();
int y3 = y2 + s4.height();
int x1 = s0.width();
int x2 = x1 + s1.width();
li[0]->setGeometry(QRect(0, 0, s0.width(), y2));
QWidget* widget = stack->visibleWidget();
int range = s0.height() - y2;
if (range < 0)
range = 0;
if (range)
sb->setMaximum(range);
if (widget) {
QSize r(s0.width(), y2 < s0.height() ? s0.height() : y2); // p4.0.11 Tim
widget->setGeometry(0, 0, r.width(), r.height());
}
li[1]->setGeometry(QRect(x1, 0, s1.width(), y2));
li[2]->setGeometry(QRect(x2, 0, aw, s2.height()));
li[3]->setGeometry(QRect(x2, y1, aw, ah));
li[4]->setGeometry(QRect(0, y2, w, s4.height()));
li[5]->setGeometry(QRect(3, y3, s5.width(), s5.height()));
// Fix for non-appearing scrollbar. Yes, we must allow the recursive call, but try it here, not above. p4.0.44 Tim
sb->setVisible(range != 0);
}
//---------------------------------------------------------
// sizeHint
//---------------------------------------------------------
QSize TLLayout::sizeHint() const
{
return QSize(150, 100);
}
//---------------------------------------------------------
// minimumSize
//---------------------------------------------------------
QSize TLLayout::minimumSize() const
{
int w = stack->minimumSizeHint().width();
w += li[1]->sizeHint().width();
return QSize(w, 50);
}
//---------------------------------------------------------
// maximumSize
//---------------------------------------------------------
QSize TLLayout::maximumSize() const
{
return QSize(440, 100000);
}
//---------------------------------------------------------
// takeAt
//---------------------------------------------------------
QLayoutItem* TLLayout::takeAt(int i)
{
if (i >= 0 && i < ilist.size())
return ilist.takeAt(i);
else
return 0;
}
//---------------------------------------------------------
// clear
//---------------------------------------------------------
void TLLayout::clear()
{
QLayoutItem* child;
while ((child = takeAt(0)) != 0) {
delete child->widget();
delete child;
}
}
} // namespace MusEGui
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