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/*
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.
*/
/*
Provides an interface to a plain QWidget, which is independent of KDE (bypassed to X11)
begin: Fre Sep 26 2003
Copyright (C) 2003 Christian Muehlhaeuser <chris@chris.de>
Copyright (C) 2004 Michael Goettsche <michael.goettsche@kdemail.net>
*/
#ifndef OSD_H
#define OSD_H
#include <qpixmap.h> //stack allocated
#include <qtimer.h> //stack allocated
#include <qwidget.h> //baseclass
class QFont;
class QString;
class QStringList;
class QTimer;
class MetaBundle;
class OSDWidget : public QWidget
{
Q_OBJECT
public:
enum Alignment { Left, Middle, Center, Right };
explicit OSDWidget(const QString &appName, QWidget *parent = 0, const char *name = "osd");
void setDuration(int ms);
void setFont(QFont newfont);
void setShadow(bool shadow);
void setTextColor(const QColor &newcolor);
void setBackgroundColor(const QColor &newColor);
void setOffset( int x, int y );
void setAlignment(Alignment);
void setScreen(uint screen);
void setText(const QString &text) { m_currentText = text; refresh(); }
void unsetColors();
int screen() { return m_screen; }
int alignment() { return m_alignment; }
int y() { return m_y; }
signals:
void hidden();
public slots:
//TODO rename show, scrap removeOSD, just use hide() <- easier to learn
void showOSD(const QString&, bool preemptive=false );
void removeOSD() //inlined as is convenience function
{
hide();
}
protected slots:
void minReached();
protected:
/* render text into osdBuffer */
void renderOSDText(const QString &text);
void mousePressEvent( QMouseEvent* );
bool event(QEvent*);
void show();
/* call to reposition a new OSD text or when position attributes change */
void reposition( QSize newSize = QSize() );
/* called after most set*() calls to update the OSD */
void refresh();
enum KDesktopLockStatus { NotLocked=0, Locked=1, DCOPError=2 };
static KDesktopLockStatus isKDesktopLockRunning();
static const int MARGIN = 15;
QString m_appName;
int m_duration;
QTimer timer;
QTimer timerMin;
QPixmap osdBuffer;
QStringList textBuffer;
QString m_currentText;
bool m_shadow;
Alignment m_alignment;
int m_screen;
uint m_y;
bool m_dirty; //if dirty we will be re-rendered before we are shown
};
// do not pollute OSDWidget with this preview stuff
class OSDPreviewWidget : public OSDWidget
{
Q_OBJECT
public:
explicit OSDPreviewWidget( const QString &appName, QWidget *parent = 0, const char *name = "osdpreview" );
static QPoint m_previewOffset;
signals:
void positionChanged();
protected:
void mousePressEvent( QMouseEvent * );
void mouseReleaseEvent( QMouseEvent * );
void mouseMoveEvent( QMouseEvent * );
private:
bool m_dragging;
QPoint m_dragOffset;
};
#endif /*OSD_H*/
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