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/*
This file is part of the KDE games library
Copyright (C) 2004 Nicolas Hadacek (hadacek@kde.org)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "kzoommainwindow.h"
#include "kzoommainwindow.moc"
#include <kaction.h>
#include <kstdaction.h>
#include <kmenubar.h>
#include <kcmenumngr.h>
KZoomMainWindow::KZoomMainWindow(uint min, uint max, uint step, const char *name)
: KMainWindow(0, name), _zoomStep(step), _minZoom(min), _maxZoom(max)
{
installEventFilter(this);
_zoomInAction = KStdAction::zoomIn(this, SLOT(zoomIn()), actionCollection());
_zoomOutAction =
KStdAction::zoomOut(this, SLOT(zoomOut()), actionCollection());
_menu =
KStdAction::showMenubar(this, SLOT(toggleMenubar()), actionCollection());
}
void KZoomMainWindow::init(const char *popupName)
{
// zoom
setZoom(readZoomSetting());
// menubar
_menu->setChecked( menubarVisibleSetting() );
toggleMenubar();
// context popup
if (popupName) {
QPopupMenu *popup =
static_cast<QPopupMenu *>(factory()->container(popupName, this));
Q_ASSERT(popup);
if (popup) KContextMenuManager::insert(this, popup);
}
}
void KZoomMainWindow::addWidget(QWidget *widget)
{
widget->adjustSize();
QWidget *tlw = widget->topLevelWidget();
KZoomMainWindow *zm =
static_cast<KZoomMainWindow *>(tlw->qt_cast("KZoomMainWindow"));
Q_ASSERT(zm);
zm->_widgets.append(widget);
connect(widget, SIGNAL(destroyed()), zm, SLOT(widgetDestroyed()));
}
void KZoomMainWindow::widgetDestroyed()
{
_widgets.remove(static_cast<const QWidget *>(sender()));
}
bool KZoomMainWindow::eventFilter(QObject *o, QEvent *e)
{
if ( e->type()==QEvent::LayoutHint )
setFixedSize(minimumSize()); // because K/QMainWindow
// does not manage fixed central widget
// with hidden menubar...
return KMainWindow::eventFilter(o, e);
}
void KZoomMainWindow::setZoom(uint zoom)
{
_zoom = zoom;
writeZoomSetting(_zoom);
QPtrListIterator<QWidget> it(_widgets);
for (; it.current(); ++it)
(*it)->adjustSize();;
_zoomOutAction->setEnabled( _zoom>_minZoom );
_zoomInAction->setEnabled( _zoom<_maxZoom );
}
void KZoomMainWindow::zoomIn()
{
setZoom(_zoom + _zoomStep);
}
void KZoomMainWindow::zoomOut()
{
Q_ASSERT( _zoom>=_zoomStep );
setZoom(_zoom - _zoomStep);
}
void KZoomMainWindow::toggleMenubar()
{
if ( _menu->isChecked() ) menuBar()->show();
else menuBar()->hide();
}
bool KZoomMainWindow::queryExit()
{
writeMenubarVisibleSetting(_menu->isChecked());
return KMainWindow::queryExit();
}
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