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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.
*/
#ifndef KZOOMMAINWINDOW_H
#define KZOOMMAINWINDOW_H
#include <kmainwindow.h>
class KToggleAction;
/**
* KZoomMainWindow is a main window of fixed size. Its size can be
* modified with the "zoom in"/"zoom out" actions.
*
* It manages one or several widgets: their adjustSize() method is
* called whenever the zoom level is changed.
* The usual implementation for those widget is to redefine adjustSize()
* with code like:
* /code
* setFixedSize(newsize);
* /endcode
*
* This class also has a "show/hide menubar" action and allows the use
* of a context popup menu (useful to restore the menubar when hidden).
*/
class KZoomMainWindow : public KMainWindow
{
Q_OBJECT
public:
/** Constructor. */
KZoomMainWindow(uint minZoom, uint maxZoom, uint zoomStep,
const char *name = 0);
/** Add a widget to be managed i.e. the adjustSize() method of the
* widget is called whenever the zoom is changed.
* This function assumes that the topLevelWidget() is the KZoomMainWindow.
*/
static void addWidget(QWidget *widget);
uint zoom() const { return _zoom; }
public slots:
void zoomIn();
void zoomOut();
void toggleMenubar();
protected:
/** You need to call this after the createGUI or setupGUI method
* is called.
* @param popupName is the name of the context popup menu as defined in
* the ui.rc file.
*/
void init(const char *popupName = 0);
virtual void setZoom(uint zoom);
virtual bool eventFilter(QObject *o, QEvent *e);
virtual bool queryExit();
/** You need to implement this method since different application
* use different setting class names and keys.
* Use something like:
* /code
* Settings::setZoom(zoom);
* Settings::writeConfig();
* /endcode
*/
virtual void writeZoomSetting(uint zoom) = 0;
/** Youneed to implement this method since different application
* use different setting class names and keys.
* Use something like:
* /code
* return Settings::zoom();
* /endcode
*/
virtual uint readZoomSetting() const = 0;
/** You need to implement this method since different application
* use different setting class names and keys.
* Use something like:
* /code
* Settings::setMenubarVisible(visible);
* Settings::writeConfig();
* /endcode
*/
virtual void writeMenubarVisibleSetting(bool visible) = 0;
/** You need to implement this method since different application
* use different setting class names and keys.
* Use something like:
* /code
* Settings::menubarVisible();
* /endcode
*/
virtual bool menubarVisibleSetting() const = 0;
private slots:
void widgetDestroyed();
private:
uint _zoom, _zoomStep, _minZoom, _maxZoom;
QPtrList<QWidget> _widgets;
KAction *_zoomInAction, *_zoomOutAction;
KToggleAction *_menu;
class KZoomMainWindowPrivate;
KZoomMainWindowPrivate *d;
};
#endif
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