wxWidgets/contrib/include/wx/ogl/canvas.h

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/////////////////////////////////////////////////////////////////////////////
// Name: canvas.h
// Purpose: wxShapeCanvas
// Author: Julian Smart
// Modified by:
// Created: 12/07/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _OGL_CANVAS_H_
#define _OGL_CANVAS_H_
// Drag states
#define NoDragging 0
#define StartDraggingLeft 1
#define ContinueDraggingLeft 2
#define StartDraggingRight 3
#define ContinueDraggingRight 4
WXDLLIMPEXP_OGL extern const wxChar* wxShapeCanvasNameStr;
// When drag_count reaches 0, process drag message
class WXDLLIMPEXP_OGL wxDiagram;
class WXDLLIMPEXP_OGL wxShapeCanvas: public wxScrolledWindow
{
DECLARE_DYNAMIC_CLASS(wxShapeCanvas)
public:
wxShapeCanvas(wxWindow *parent = NULL, wxWindowID id = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxBORDER | wxRETAINED,
const wxString& name = wxShapeCanvasNameStr);
~wxShapeCanvas();
inline void SetDiagram(wxDiagram *diag) { m_shapeDiagram = diag; }
inline wxDiagram *GetDiagram() const { return m_shapeDiagram; }
virtual void OnLeftClick(double x, double y, int keys = 0);
virtual void OnRightClick(double x, double y, int keys = 0);
virtual void OnDragLeft(bool draw, double x, double y, int keys=0); // Erase if draw false
virtual void OnBeginDragLeft(double x, double y, int keys=0);
virtual void OnEndDragLeft(double x, double y, int keys=0);
virtual void OnDragRight(bool draw, double x, double y, int keys=0); // Erase if draw false
virtual void OnBeginDragRight(double x, double y, int keys=0);
virtual void OnEndDragRight(double x, double y, int keys=0);
// Find object for mouse click, of given wxClassInfo (NULL for any type).
// If notImage is non-NULL, don't find an object that is equal to or a descendant of notImage
virtual wxShape *FindShape(double x, double y, int *attachment, wxClassInfo *info = NULL, wxShape *notImage = NULL);
wxShape *FindFirstSensitiveShape(double x, double y, int *new_attachment, int op);
wxShape *FindFirstSensitiveShape1(wxShape *image, int op);
// Redirect to wxDiagram object
virtual void AddShape(wxShape *object, wxShape *addAfter = NULL);
virtual void InsertShape(wxShape *object);
virtual void RemoveShape(wxShape *object);
virtual bool GetQuickEditMode();
virtual void Redraw(wxDC& dc);
void Snap(double *x, double *y);
// Events
void OnPaint(wxPaintEvent& event);
void OnMouseEvent(wxMouseEvent& event);
protected:
wxDiagram* m_shapeDiagram;
int m_dragState;
double m_oldDragX, m_oldDragY; // Previous drag coordinates
double m_firstDragX, m_firstDragY; // INITIAL drag coordinates
bool m_checkTolerance; // Whether to check drag tolerance
wxShape* m_draggedShape;
int m_draggedAttachment;
DECLARE_EVENT_TABLE()
};
#endif
// _OGL_CANVAS_H_