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