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_Document;
  11 class PaintInterface;
  12 class RS_Preview;
  13
  14 /**
  15  * This is the Qt implementation of a widget which can view a
  16  * graphic.
  17  *
  18  * Instances of this class can be linked to layer lists using
  19  * addLayerListListener().
  20  */
  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                 QG_GraphicView(RS_Document * doc, QWidget * parent = 0);
  29                 virtual ~QG_GraphicView();
  30
  31                 virtual int getWidth();
  32                 virtual int getHeight();
  33                 virtual void redraw();
  34                 virtual void adjustOffsetControls();
  35                 virtual void adjustZoomControls();
  36                 virtual void setBackground(const RS_Color & bg);
  37                 virtual void setMouseCursor(RS2::CursorType c);
  38                 virtual void updateGridStatusWidget(const QString & text);
  39
  40                 // Methods from RS_LayerListListener Interface:
  41                 virtual void layerEdited(RS_Layer *);
  42                 virtual void layerRemoved(RS_Layer *);
  43                 virtual void layerToggled(RS_Layer *);
  44
  45         protected:
  46                 virtual void emulateMouseMoveEvent();
  47                 virtual void mousePressEvent(QMouseEvent * e);
  48                 virtual void mouseReleaseEvent(QMouseEvent * e);
  49                 virtual void mouseMoveEvent(QMouseEvent * e);
  50                 virtual void tabletEvent(QTabletEvent * e);
  51                 virtual void leaveEvent(QEvent *);
  52                 virtual void enterEvent(QEvent *);
  53                 virtual void focusInEvent(QFocusEvent *);
  54                 virtual void focusOutEvent(QFocusEvent *);
  55                 virtual void wheelEvent(QWheelEvent * e);
  56                 virtual void keyPressEvent(QKeyEvent * e);
  57                 virtual void keyReleaseEvent(QKeyEvent * e);
  58
  59                 void paintEvent(QPaintEvent *);
  60                 virtual void resizeEvent(QResizeEvent * e);
  61
  62 #warning "!!! File preview needs porting to Qt4 !!!"
  63 //              void previewUrl(const Q3Url &u);
  64
  65         private:
  66                 void CommonInitialization(void);
  67
  68         private slots:
  69                 void slotHScrolled(int value);
  70                 void slotVScrolled(int value);
  71
  72         private:
  73 #warning "!!! Double buffering is not necessary anymore !!!"
  74                 //! Buffer for double-buffering
  75                 QPixmap * buffer;
  76 //              int refCount;
  77
  78         protected:
  79                 int lastWidth;
  80                 int lastHeight;
  81                 //! Horizontal scrollbar.
  82                 QG_ScrollBar * hScrollBar;
  83                 //! Vertical scrollbar.
  84                 QG_ScrollBar * vScrollBar;
  85                 //! Layout used to fit in the view and the scrollbars.
  86                 QGridLayout * layout;
  87                 //! Label for grid spacing.
  88                 QLabel * gridStatus;
  89                 //! CAD mouse cursor
  90                 QCursor * curCad;
  91                 //! Delete mouse cursor
  92                 QCursor * curDel;
  93                 //! Select mouse cursor
  94                 QCursor * curSelect;
  95                 //! Magnifying glass mouse cursor
  96                 QCursor * curMagnifier;
  97                 //! Hand mouse cursor
  98                 QCursor * curHand;
  99 };
 100
 101 #endif