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/* Slide Show Screen Saver
* (C) 1999 Stefan Taferner <[email protected]>
* (C) 2003 Sven Leiber <[email protected]>
*/
#ifndef SLIDESHOW_H
#define SLIDESHOW_H
#include <tqtimer.h>
#include <tqptrlist.h>
#include <tqstringlist.h>
#include <tqpixmap.h>
#include <tqpainter.h>
#include <tqimage.h>
#include <tdescreensaver.h>
#include <kdialogbase.h>
#include "slideshowcfg.h"
class SlideShowCfg;
//-----------------------------------------------------------------------------
class kSlideShowSaver: public KScreenSaver
{
Q_OBJECT
public:
kSlideShowSaver( WId id );
virtual ~kSlideShowSaver();
typedef int (kSlideShowSaver::*EffectMethod)(bool);
void readConfig();
void restart();
protected slots:
void slotTimeout();
protected:
void blank();
/** Load list of images from directory */
virtual void loadDirectory();
/** Helper for loadDirectory() */
virtual void traverseDirectory(const TQString &dirName);
/** Load next image from list. If the file cannot be read
it is automatically removed from the file list.
mImage contains the image after loading. */
virtual void loadNextImage();
/** Show next screen, completely, without transition. */
virtual void showNextScreen();
/** Set loaded image to next-screen buffer. */
virtual void createNextScreen();
/** Initialize next-screen buffer. */
virtual void initNextScreen();
/** Register effect methods in effect list. */
virtual void registerEffects();
/** Various effects. If adding one, do not forget to manually
add the effect to the list in the registerEffects() method. */
int effectHorizLines(bool doInit);
int effectVertLines(bool doInit);
int effectRandom(bool doInit);
int effectGrowing(bool doInit);
int effectChessboard(bool doInit);
int effectIncomingEdges(bool doInit);
int effectBlobs(bool doInit);
int effectCircleOut(bool doInit);
int effectSweep(bool doInit);
int effectMeltdown(bool doInit);
int effectSpiralIn(bool doInit);
int effectMultiCircleOut(bool doInit);
protected:
/** Init mPainter with next-screen's pixmap and call
mPainter.begin(&mWidget) */
void startPainter(TQt::PenStyle penStyle=NoPen);
protected:
struct mScreenGeo {
mScreenGeo(int w, int h, int x, int y) : mW(w), mH(h), mXorg(x), mYorg(y) {};
int mW;
int mH;
int mXorg;
int mYorg;
};
TQPtrList<mScreenGeo> mGeoList;
bool mEffectRunning;
TQTimer mTimer;
int mColorContext;
TQStringList mFileList;
TQStringList mRandomList;
int mFileIdx;
TQImage mImage;
TQPixmap mNextScreen;
EffectMethod* mEffectList;
EffectMethod mEffect;
int mNumEffects;
TQPainter mPainter;
TQString mImageName;
// config settings:
bool mShowRandom;
bool mZoomImages;
bool mPrintName;
bool mSubdirectory;
bool mRandomPosition;
int mDelay;
TQString mDirectory;
// values for state of various effects:
int mx, my, mw, mh, mdx, mdy, mix, miy, mi, mj, mSubType;
int mx0, my0, mx1, my1, mwait;
double mfx, mfy, mAlpha, mfd;
int* mIntArray;
};
//-----------------------------------------------------------------------------
class kSlideShowSetup : public KDialogBase
{
Q_OBJECT
public:
kSlideShowSetup(TQWidget *parent=NULL, const char *name=NULL);
~kSlideShowSetup();
protected:
void readSettings();
protected slots:
void slotOk();
void slotHelp();
void writeSettings();
void slotDirSelected(const TQString &where);
private:
kSlideShowSaver *mSaver;
SlideShowCfg *cfg;
};
#endif /*SLIDESHOW_H*/
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