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