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