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 "rs_graphicview.h"
   6 #include "rs_layerlistlistener.h"
   7 #include "rs_blocklistlistener.h"
   8 #include "qg_scrollbar.h"
   9
  10 class RS_Preview;
  11 class PaintInterface;
  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 RS_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                 virtual ~QG_GraphicView();
  28
  29                 virtual int getWidth();
  30                 virtual int getHeight();
  31                 virtual void redraw();
  32                 virtual void adjustOffsetControls();
  33                 virtual void adjustZoomControls();
  34 //              virtual RS_Painter * createPainter();
  35 //              virtual RS_Painter * createDirectPainter();
  36 #warning "!!! Need to scrub out all instances of createPainter and createDirectPainter !!!"
  37                 virtual PaintInterface * createPainter();
  38                 virtual PaintInterface * createDirectPainter();
  39                 virtual void destroyPainter();
  40                 virtual void setBackground(const RS_Color & bg);
  41                 virtual void setMouseCursor(RS2::CursorType c);
  42                 virtual void updateGridStatusWidget(const QString & text);
  43
  44                 // Methods from RS_LayerListListener Interface:
  45                 virtual void layerEdited(RS_Layer *);
  46                 virtual void layerRemoved(RS_Layer *);
  47                 virtual void layerToggled(RS_Layer *);
  48
  49         protected:
  50                 virtual void emulateMouseMoveEvent();
  51                 virtual void mousePressEvent(QMouseEvent * e);
  52                 virtual void mouseReleaseEvent(QMouseEvent * e);
  53                 virtual void mouseMoveEvent(QMouseEvent * e);
  54                 virtual void tabletEvent(QTabletEvent * e);
  55                 virtual void leaveEvent(QEvent *);
  56                 virtual void enterEvent(QEvent *);
  57                 virtual void focusInEvent(QFocusEvent *);
  58                 virtual void focusOutEvent(QFocusEvent *);
  59                 virtual void wheelEvent(QWheelEvent * e);
  60                 virtual void keyPressEvent(QKeyEvent * e);
  61                 virtual void keyReleaseEvent(QKeyEvent * e);
  62
  63                 void paintEvent(QPaintEvent *);
  64                 virtual void resizeEvent(QResizeEvent * e);
  65
  66 #warning "!!! File preview needs porting to Qt4 !!!"
  67 //              void previewUrl(const Q3Url &u);
  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         protected:
  80                 int lastWidth;
  81                 int lastHeight;
  82                 //! Horizontal scrollbar.
  83                 QG_ScrollBar * hScrollBar;
  84                 //! Vertical scrollbar.
  85                 QG_ScrollBar * vScrollBar;
  86                 //! Layout used to fit in the view and the scrollbars.
  87                 QGridLayout * layout;
  88                 //! Label for grid spacing.
  89                 QLabel * gridStatus;
  90                 //! CAD mouse cursor
  91                 QCursor * curCad;
  92                 //! Delete mouse cursor
  93                 QCursor * curDel;
  94                 //! Select mouse cursor
  95                 QCursor * curSelect;
  96                 //! Magnifying glass mouse cursor
  97                 QCursor * curMagnifier;
  98                 //! Hand mouse cursor
  99                 QCursor * curHand;
 100 };
 101
 102 #endif