Shamusworld >> Repos - architektonas/blob - src/widgets/qg_graphicview.h

   1 #ifndef QG_GRAPHICVIEW_H
   2 #define QG_GRAPHICVIEW_H
   3
   4 #include <QtGui>
   5 #include "graphicview.h"
   6 #include "rs_layerlistlistener.h"
   7 #include "rs_blocklistlistener.h"
   8
   9 class RS_Document;
  10 class PaintInterface;
  11 class RS_Preview;
  12
  13 /**
  14  * This is the Qt implementation of a widget which can view a
  15  * graphic.
  16  *
  17  * Instances of this class can be linked to layer lists using
  18  * addLayerListListener().
  19  */
  20 class QG_GraphicView: public QWidget, public GraphicView//, //public Q3FilePreview,
  21 //      public RS_LayerListListener, public RS_BlockListListener
  22 {
  23         Q_OBJECT
  24
  25         public:
  26                 QG_GraphicView(QWidget * parent = 0, const char * name = 0, Qt::WindowFlags f = 0);
  27                 QG_GraphicView(RS_Document * doc, QWidget * parent = 0);
  28                 virtual ~QG_GraphicView();
  29
  30                 virtual int getWidth();
  31                 virtual int getHeight();
  32                 virtual void redraw();
  33                 virtual void adjustOffsetControls();
  34                 virtual void adjustZoomControls();
  35                 virtual void setBackground(const RS_Color & bg);
  36                 virtual void setMouseCursor(RS2::CursorType c);
  37                 virtual void updateGridStatusWidget(const QString & text);
  38
  39 // This is just crap. Why have a klunky listener interface when we have slots/signals???
  40 // That's what I thought!!!
  41                 // Methods from RS_LayerListListener Interface:
  42 //              virtual void layerEdited(RS_Layer *);
  43 //              virtual void layerRemoved(RS_Layer *);
  44 //              virtual void layerToggled(RS_Layer *);
  45
  46         protected:
  47                 virtual void emulateMouseMoveEvent();
  48                 virtual void mousePressEvent(QMouseEvent * e);
  49                 virtual void mouseReleaseEvent(QMouseEvent * e);
  50                 virtual void mouseMoveEvent(QMouseEvent * e);
  51                 virtual void tabletEvent(QTabletEvent * e);
  52                 virtual void leaveEvent(QEvent *);
  53                 virtual void enterEvent(QEvent *);
  54                 virtual void focusInEvent(QFocusEvent *);
  55                 virtual void focusOutEvent(QFocusEvent *);
  56                 virtual void wheelEvent(QWheelEvent * e);
  57                 virtual void keyPressEvent(QKeyEvent * e);
  58                 virtual void keyReleaseEvent(QKeyEvent * e);
  59
  60                 void paintEvent(QPaintEvent *);
  61                 virtual void resizeEvent(QResizeEvent * e);
  62
  63 #warning "!!! File preview needs porting to Qt4 !!!"
  64 //              void previewUrl(const Q3Url &u);
  65
  66         private:
  67                 void CommonInitialization(void);
  68
  69         private slots:
  70                 void slotHScrolled(int value);
  71                 void slotVScrolled(int value);
  72
  73 //      private:
  74 //#warning "!!! Double buffering is not necessary anymore !!!"
  75 //              //! Buffer for double-buffering
  76 //              QPixmap * buffer;
  77 //              int refCount;
  78
  79 #if 0
  80         protected:
  81                 int lastWidth;
  82                 int lastHeight;
  83                 //! Horizontal scrollbar.
  84                 QScrollBar * hScrollBar;
  85                 //! Vertical scrollbar.
  86                 QScrollBar * vScrollBar;
  87                 //! Layout used to fit in the view and the scrollbars.
  88                 QGridLayout * layout;
  89                 //! Label for grid spacing.
  90                 QLabel * gridStatus;
  91                 //! CAD mouse cursor
  92                 QCursor * curCad;
  93                 //! Delete mouse cursor
  94                 QCursor * curDel;
  95                 //! Select mouse cursor
  96                 QCursor * curSelect;
  97                 //! Magnifying glass mouse cursor
  98                 QCursor * curMagnifier;
  99                 //! Hand mouse cursor
 100                 QCursor * curHand;
 101 #endif
 102 };
 103
 104 #endif