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Diffstat (limited to 'kuickshow/src/imlibwidget.h')
| -rw-r--r-- | kuickshow/src/imlibwidget.h | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/kuickshow/src/imlibwidget.h b/kuickshow/src/imlibwidget.h new file mode 100644 index 0000000..d4c1256 --- /dev/null +++ b/kuickshow/src/imlibwidget.h @@ -0,0 +1,187 @@ +/**************************************************************************** +** $Id: imlibwidget.h 524709 2006-03-31 00:03:44Z pfeiffer $ +** +** ImlibWidget: maps an Xlib window with Imlib's contents on a QWidget +** +** Created : 98 +** +** Copyright (C) 1998-2001 by Carsten Pfeiffer. All rights reserved. +** +****************************************************************************/ + +#ifndef IMLIBWIDGET_H +#define IMLIBWIDGET_H + +#include <qvariant.h> + +#include <qcursor.h> +#include <qevent.h> +#include <qptrlist.h> +#include <qtimer.h> +#include <qwidget.h> + +#include <kurl.h> + +// #include those AFTER Qt-includes! +#include <Imlib.h> +#include <X11/Xlib.h> +#include <X11/Xutil.h> +// #include <X11/extensions/shape.h> + +#include "imdata.h" +#include "kuickdata.h" + +class KuickFile; +class KuickImage; + +class ImageCache : public QObject +{ + Q_OBJECT + +public: + ImageCache( ImlibData *id, int maxImages=1 ); + ~ImageCache(); + + void setMaxImages( int maxImages ); + int maxImages() const { return myMaxImages; } + + KuickImage * getKuimage( KuickFile * file, ImlibColorModifier ); + +private: + ImlibImage * loadImageWithQt( const QString& filename ) const; + + int myMaxImages; + QValueList<KuickFile*>fileList; + QPtrList<KuickImage> kuickList; + // QPtrList<ImlibImage> imList; + ImlibData * myId; + int idleCount; + +private slots: + void slotBusy(); + void slotIdle(); + +signals: + void sigBusy(); + void sigIdle(); + +}; + + +// ------------------------------------------ + +class QColor; + +class ImlibWidget : public QWidget +{ + Q_OBJECT + +public: + + ImlibWidget( ImData *_idata=0, QWidget *parent=0, const char *name=0 ); + ImlibWidget( ImData *_idata, ImlibData *id, QWidget *parent=0, + const char *name=0 ); + virtual ~ImlibWidget(); + + KURL url() const; + KuickFile * currentFile() const; + bool loadImage( KuickFile * file ); + bool loadImage( const KURL& url ); + bool cacheImage(const KURL& url ); + void zoomImage( float ); + void setBrightness( int ); + void setContrast( int ); + void setGamma( int ); + void setRotation( Rotation ); + void setFlipMode( int mode ); + + int brightness() const; // ### no impl! + int contrast() const; // ### no impl! + int gamma() const; // ### no impl! + Rotation rotation() const; + FlipMode flipMode() const; + + int imageWidth() const; + int imageHeight() const; + + void setAutoRender( bool enable ) { isAutoRendering = enable;} + bool isAutoRenderEnabled() const { return isAutoRendering; } + void setMaxImageCache( int ); + int maxImageCache() const { return myMaxImageCache; } + const QColor& backgroundColor() const; + void setBackgroundColor( const QColor& ); + + /** + * @return true if auto-rotation is not possible, e.g. because no metadata + * about orientation is available + */ + virtual bool autoRotate( KuickImage *kuim ); + + ImlibData* getImlibData() const { return id; } + + virtual void reparent( QWidget* parent, WFlags f, const QPoint& p, bool showIt = FALSE ); + +public slots: + void rotate90(); + void rotate270(); + void rotate180(); + void flipHoriz(); + void flipVert(); + void showImageOriginalSize(); + inline void updateImage() { updateWidget( true ); } + + +protected: + KuickImage * loadImageInternal( KuickFile * file ); + void showImage(); + void setImageModifier(); + void rotate( int ); + void updateWidget( bool geometryUpdate=true ); + virtual void updateGeometry( int width, int height ); + virtual void loaded( KuickImage * ); + virtual bool canZoomTo( int newWidth, int newHeight ); + virtual void rotated( KuickImage *kuim, int rotation ); + + void closeEvent( QCloseEvent * ); + + inline void autoUpdate( bool geometryUpdate=false ) { + if ( isAutoRendering ) + updateWidget( geometryUpdate ); + } + + bool stillResizing, deleteImData, deleteImlibData; + bool imlibModifierChanged; + + KuickImage *m_kuim; + ImageCache *imageCache; + ImlibData *id; + ImData *idata; + Window win; + ImlibColorModifier mod; + + KuickFile *m_kuickFile; + QCursor m_oldCursor; + + static const int ImlibOffset; + + +private: + void init(); + bool isAutoRendering; + int myMaxImageCache; + QColor myBackgroundColor; + + +protected slots: + bool cacheImage( KuickFile *file ); + virtual void setBusyCursor(); + virtual void restoreCursor(); + + +signals: + void sigImageError( const KuickFile * file, const QString& ); + +}; + + +#endif |