CanvasPicker Class Reference

#include <CanvasPicker.h>

List of all members.


Detailed Description

Handles parts of the user interaction for a Plot by registering itself as an event filter for its QwtPlotCanvas.

Signals

void drawTextOff ()
void modified ()
void selectPlot ()
void showMarkerPopupMenu ()
void showPlotDialog (int)
void viewImageDialog ()
void viewLineDialog ()

Public Member Functions

 CanvasPicker (Graph *plot)
void disableEditing ()
 Disable editing of d_editing_marker on a TAB-key event.
virtual bool eventFilter (QObject *, QEvent *)
void selectPeak (const QPoint &p)
void selectPoints (int n)

Private Member Functions

void drawLineMarker (const QPoint &, bool endArrow)
void drawTextMarker (const QPoint &)
Graphplot ()
 Return my parent as a Graph.
bool selectMarker (const QMouseEvent *e)
 Selects and highlights the marker at the given position.

Private Attributes

ArrowMarkerd_editing_marker
 The marker that is currently being edited, or NULL. Editing does explicitly _not_ inlude moving and resizing, which are being handled by SelectionMoveResizer (see Graph::d_markers_selector). Currently, only ArrowMarker provides any other form of editing, but this really should be generalized. See ImageMarker for details.
QPoint endLinePoint
bool pointSelected
QPoint startLinePoint

Constructor & Destructor Documentation

CanvasPicker::CanvasPicker ( Graph plot  ) 

References d_editing_marker, and pointSelected.


Member Function Documentation

void CanvasPicker::disableEditing (  ) 

void CanvasPicker::drawLineMarker ( const QPoint &  point,
bool  endArrow 
) [private]

void CanvasPicker::drawTextMarker ( const QPoint &  point  )  [private]

void CanvasPicker::drawTextOff (  )  [signal]

Referenced by drawTextMarker().

bool CanvasPicker::eventFilter ( QObject *  object,
QEvent *  e 
) [virtual]

void CanvasPicker::modified (  )  [signal]

Graph* CanvasPicker::plot (  )  [inline, private]

Return my parent as a Graph.

Referenced by drawLineMarker(), drawTextMarker(), eventFilter(), and selectMarker().

bool CanvasPicker::selectMarker ( const QMouseEvent *  e  )  [private]

void CanvasPicker::selectPeak ( const QPoint &  p  ) 

void CanvasPicker::selectPlot (  )  [signal]

Referenced by eventFilter().

void CanvasPicker::selectPoints ( int  n  ) 

void CanvasPicker::showMarkerPopupMenu (  )  [signal]

Referenced by eventFilter().

void CanvasPicker::showPlotDialog ( int   )  [signal]

Referenced by eventFilter().

void CanvasPicker::viewImageDialog (  )  [signal]

Referenced by eventFilter().

void CanvasPicker::viewLineDialog (  )  [signal]

Referenced by eventFilter().


Member Data Documentation

The marker that is currently being edited, or NULL. Editing does explicitly _not_ inlude moving and resizing, which are being handled by SelectionMoveResizer (see Graph::d_markers_selector). Currently, only ArrowMarker provides any other form of editing, but this really should be generalized. See ImageMarker for details.

Referenced by CanvasPicker(), disableEditing(), eventFilter(), and selectMarker().

QPoint CanvasPicker::endLinePoint [private]

Referenced by CanvasPicker().

QPoint CanvasPicker::startLinePoint [private]

Referenced by drawLineMarker(), and eventFilter().


The documentation for this class was generated from the following files:

Generated on Sun Jun 15 21:32:21 2008 for QtiPlot by  doxygen 1.5.6