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Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: canvas.h
	3	// Purpose: wxShapeCanvas
	4	// Author: Julian Smart
	5	// Modified by:
	6	// Created: 12/07/98
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Julian Smart
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifndef _OGL_CANVAS_H_
	13	#define _OGL_CANVAS_H_
	14
	15	#if defined(__GNUG__) && !defined(__APPLE__)
	16	#pragma interface "canvas.h"
	17	#endif
	18
	19
	20	// Drag states
	21	#define NoDragging 0
	22	#define StartDraggingLeft 1
	23	#define ContinueDraggingLeft 2
	24	#define StartDraggingRight 3
	25	#define ContinueDraggingRight 4
	26
	27	WXDLLIMPEXP_OGL extern const wxChar* wxShapeCanvasNameStr;
	28
	29	// When drag_count reaches 0, process drag message
	30
	31	class WXDLLIMPEXP_OGL wxDiagram;
	32
	33	class WXDLLIMPEXP_OGL wxShapeCanvas: public wxScrolledWindow
	34	{
	35	DECLARE_DYNAMIC_CLASS(wxShapeCanvas)
	36	public:
	37	wxShapeCanvas(wxWindow *parent = NULL, wxWindowID id = -1,
	38	const wxPoint& pos = wxDefaultPosition,
	39	const wxSize& size = wxDefaultSize,
	40	long style = wxBORDER \| wxRETAINED,
	41	const wxString& name = wxShapeCanvasNameStr);
	42	~wxShapeCanvas();
	43
	44	inline void SetDiagram(wxDiagram *diag) { m_shapeDiagram = diag; }
	45	inline wxDiagram *GetDiagram() const { return m_shapeDiagram; }
	46
	47	virtual void OnLeftClick(double x, double y, int keys = 0);
	48	virtual void OnRightClick(double x, double y, int keys = 0);
	49
	50	virtual void OnDragLeft(bool draw, double x, double y, int keys=0); // Erase if draw false
	51	virtual void OnBeginDragLeft(double x, double y, int keys=0);
	52	virtual void OnEndDragLeft(double x, double y, int keys=0);
	53
	54	virtual void OnDragRight(bool draw, double x, double y, int keys=0); // Erase if draw false
	55	virtual void OnBeginDragRight(double x, double y, int keys=0);
	56	virtual void OnEndDragRight(double x, double y, int keys=0);
	57
	58	// Find object for mouse click, of given wxClassInfo (NULL for any type).
	59	// If notImage is non-NULL, don't find an object that is equal to or a descendant of notImage
	60	virtual wxShape FindShape(double x, double y, int attachment, wxClassInfo info = NULL, wxShape notImage = NULL);
	61	wxShape FindFirstSensitiveShape(double x, double y, int new_attachment, int op);
	62	wxShape FindFirstSensitiveShape1(wxShape image, int op);
	63
	64	// Redirect to wxDiagram object
	65	virtual void AddShape(wxShape object, wxShape addAfter = NULL);
	66	virtual void InsertShape(wxShape *object);
	67	virtual void RemoveShape(wxShape *object);
	68	virtual bool GetQuickEditMode();
	69	virtual void Redraw(wxDC& dc);
	70	void Snap(double x, double y);
	71
	72	// Events
	73	void OnPaint(wxPaintEvent& event);
	74	void OnMouseEvent(wxMouseEvent& event);
	75
	76	protected:
	77	wxDiagram* m_shapeDiagram;
	78	int m_dragState;
	79	double m_oldDragX, m_oldDragY; // Previous drag coordinates
	80	double m_firstDragX, m_firstDragY; // INITIAL drag coordinates
	81	bool m_checkTolerance; // Whether to check drag tolerance
	82	wxShape* m_draggedShape;
	83	int m_draggedAttachment;
	84
	85	DECLARE_EVENT_TABLE()
	86	};
	87
	88	#endif
	89	// _OGL_CANVAS_H_