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 #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 class QG_GraphicView: public QWidget, public GraphicView, //public Q3FilePreview,
  22         public RS_LayerListListener, public RS_BlockListListener
  23 {
  24         Q_OBJECT
  25
  26         public:
  27                 QG_GraphicView(QWidget * parent = 0, const char * name = 0, Qt::WindowFlags f = 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                 // Methods from RS_LayerListListener Interface:
  40                 virtual void layerEdited(RS_Layer *);
  41                 virtual void layerRemoved(RS_Layer *);
  42                 virtual void layerToggled(RS_Layer *);
  43
  44         protected:
  45                 virtual void emulateMouseMoveEvent();
  46                 virtual void mousePressEvent(QMouseEvent * e);
  47                 virtual void mouseReleaseEvent(QMouseEvent * e);
  48                 virtual void mouseMoveEvent(QMouseEvent * e);
  49                 virtual void tabletEvent(QTabletEvent * e);
  50                 virtual void leaveEvent(QEvent *);
  51                 virtual void enterEvent(QEvent *);
  52                 virtual void focusInEvent(QFocusEvent *);
  53                 virtual void focusOutEvent(QFocusEvent *);
  54                 virtual void wheelEvent(QWheelEvent * e);
  55                 virtual void keyPressEvent(QKeyEvent * e);
  56                 virtual void keyReleaseEvent(QKeyEvent * e);
  57
  58                 void paintEvent(QPaintEvent *);
  59                 virtual void resizeEvent(QResizeEvent * e);
  60
  61 #warning "!!! File preview needs porting to Qt4 !!!"
  62 //              void previewUrl(const Q3Url &u);
  63
  64         private slots:
  65                 void slotHScrolled(int value);
  66                 void slotVScrolled(int value);
  67
  68         private:
  69 #warning "!!! Double buffering is not necessary anymore !!!"
  70                 //! Buffer for double-buffering
  71                 QPixmap * buffer;
  72 //              int refCount;
  73
  74         protected:
  75                 int lastWidth;
  76                 int lastHeight;
  77                 //! Horizontal scrollbar.
  78                 QG_ScrollBar * hScrollBar;
  79                 //! Vertical scrollbar.
  80                 QG_ScrollBar * vScrollBar;
  81                 //! Layout used to fit in the view and the scrollbars.
  82                 QGridLayout * layout;
  83                 //! Label for grid spacing.
  84                 QLabel * gridStatus;
  85                 //! CAD mouse cursor
  86                 QCursor * curCad;
  87                 //! Delete mouse cursor
  88                 QCursor * curDel;
  89                 //! Select mouse cursor
  90                 QCursor * curSelect;
  91                 //! Magnifying glass mouse cursor
  92                 QCursor * curMagnifier;
  93                 //! Hand mouse cursor
  94                 QCursor * curHand;
  95 };
  96
  97 #endif