git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6327 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			745 lines
		
	
	
		
			29 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			745 lines
		
	
	
		
			29 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/////////////////////////////////////////////////////////////////////////////
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// Name:        basic.h
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// Purpose:     Basic OGL classes and definitions
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// Author:      Julian Smart
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// Modified by:
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// Created:     12/07/98
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// RCS-ID:      $Id$
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// Copyright:   (c) Julian Smart
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// Licence:   	wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _OGL_BASIC_H_
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#define _OGL_BASIC_H_
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#ifdef __GNUG__
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#pragma interface "basic.h"
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#endif
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#define OGL_VERSION     2.0
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#ifndef DEFAULT_MOUSE_TOLERANCE
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#define DEFAULT_MOUSE_TOLERANCE 3
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#endif
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// Edit these lines if you positively don't want PROLOGIO support
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#ifndef PROLOGIO
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#define PROLOGIO
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#endif
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// Key identifiers
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#define KEY_SHIFT 1
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#define KEY_CTRL  2
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// Arrow styles
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#define ARROW_NONE         0
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#define ARROW_END          1
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#define ARROW_BOTH         2
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#define ARROW_MIDDLE       3
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#define ARROW_START        4
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// Control point types
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// Rectangle and most other shapes
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#define CONTROL_POINT_VERTICAL   1
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#define CONTROL_POINT_HORIZONTAL 2
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#define CONTROL_POINT_DIAGONAL   3
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// Line
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#define CONTROL_POINT_ENDPOINT_TO 4
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#define CONTROL_POINT_ENDPOINT_FROM 5
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#define CONTROL_POINT_LINE       6
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// Types of formatting: can be combined in a bit list
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#define FORMAT_NONE           0
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                                // Left justification
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#define FORMAT_CENTRE_HORIZ   1
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                                // Centre horizontally
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#define FORMAT_CENTRE_VERT    2
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                                // Centre vertically
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#define FORMAT_SIZE_TO_CONTENTS 4
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                                // Resize shape to contents
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// Shadow mode
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#define SHADOW_NONE           0
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#define SHADOW_LEFT           1
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#define SHADOW_RIGHT          2
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/*
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 * Declare types
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 *
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 */
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#define SHAPE_BASIC           wxTYPE_USER + 1
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#define SHAPE_RECTANGLE       wxTYPE_USER + 2
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#define SHAPE_ELLIPSE         wxTYPE_USER + 3
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#define SHAPE_POLYGON         wxTYPE_USER + 4
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#define SHAPE_CIRCLE          wxTYPE_USER + 5
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#define SHAPE_LINE            wxTYPE_USER + 6
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#define SHAPE_DIVIDED_RECTANGLE wxTYPE_USER + 8
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#define SHAPE_COMPOSITE       wxTYPE_USER + 9
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#define SHAPE_CONTROL_POINT   wxTYPE_USER + 10
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#define SHAPE_DRAWN           wxTYPE_USER + 11
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#define SHAPE_DIVISION        wxTYPE_USER + 12
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#define SHAPE_LABEL_OBJECT    wxTYPE_USER + 13
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#define SHAPE_BITMAP          wxTYPE_USER + 14
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#define SHAPE_DIVIDED_OBJECT_CONTROL_POINT   wxTYPE_USER + 15
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#define OBJECT_REGION         wxTYPE_USER + 20
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#define OP_CLICK_LEFT  1
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#define OP_CLICK_RIGHT 2
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#define OP_DRAG_LEFT 4
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#define OP_DRAG_RIGHT 8
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#define OP_ALL (OP_CLICK_LEFT | OP_CLICK_RIGHT | OP_DRAG_LEFT | OP_DRAG_RIGHT)
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// Attachment modes
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#define ATTACHMENT_MODE_NONE        0
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#define ATTACHMENT_MODE_EDGE        1
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#define ATTACHMENT_MODE_BRANCHING   2
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// Sub-modes for branching attachment mode
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#define BRANCHING_ATTACHMENT_NORMAL 1
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#define BRANCHING_ATTACHMENT_BLOB   2
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class wxShapeTextLine;
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class wxShapeCanvas;
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class wxLineShape;
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class wxControlPoint;
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class wxShapeRegion;
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class wxShape;
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#ifdef PROLOGIO
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class WXDLLEXPORT wxExpr;
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class WXDLLEXPORT wxExprDatabase;
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#endif
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// Round up
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#define WXROUND(x) ( (long) (x + 0.5) )
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// logical function to use when drawing rubberband boxes, etc.
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#define OGLRBLF         wxINVERT
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class wxShapeEvtHandler: public wxObject
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{
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 DECLARE_DYNAMIC_CLASS(wxShapeEvtHandler)
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 public:
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  wxShapeEvtHandler(wxShapeEvtHandler *prev = NULL, wxShape *shape = NULL);
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  virtual ~wxShapeEvtHandler();
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  inline void SetShape(wxShape *sh) { m_handlerShape = sh; }
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  inline wxShape *GetShape() const { return m_handlerShape; }
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  inline void SetPreviousHandler(wxShapeEvtHandler* handler) { m_previousHandler = handler; }
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  inline wxShapeEvtHandler* GetPreviousHandler() const { return m_previousHandler; }
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  // This is called when the _shape_ is deleted.
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  virtual void OnDelete();
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  virtual void OnDraw(wxDC& dc);
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  virtual void OnDrawContents(wxDC& dc);
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  virtual void OnDrawBranches(wxDC& dc, bool erase = FALSE);
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  virtual void OnMoveLinks(wxDC& dc);
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  virtual void OnErase(wxDC& dc);
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  virtual void OnEraseContents(wxDC& dc);
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  virtual void OnHighlight(wxDC& dc);
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  virtual void OnLeftClick(double x, double y, int keys = 0, int attachment = 0);
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  virtual void OnLeftDoubleClick(double x, double y, int keys = 0, int attachment = 0);
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  virtual void OnRightClick(double x, double y, int keys = 0, int attachment = 0);
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  virtual void OnSize(double x, double y);
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  virtual bool OnMovePre(wxDC& dc, double x, double y, double old_x, double old_y, bool display = TRUE);
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  virtual void OnMovePost(wxDC& dc, double x, double y, double old_x, double old_y, bool display = TRUE);
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  virtual void OnDragLeft(bool draw, double x, double y, int keys=0, int attachment = 0); // Erase if draw false
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  virtual void OnBeginDragLeft(double x, double y, int keys=0, int attachment = 0);
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  virtual void OnEndDragLeft(double x, double y, int keys=0, int attachment = 0);
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  virtual void OnDragRight(bool draw, double x, double y, int keys=0, int attachment = 0); // Erase if draw false
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  virtual void OnBeginDragRight(double x, double y, int keys=0, int attachment = 0);
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  virtual void OnEndDragRight(double x, double y, int keys=0, int attachment = 0);
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  virtual void OnDrawOutline(wxDC& dc, double x, double y, double w, double h);
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  virtual void OnDrawControlPoints(wxDC& dc);
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  virtual void OnEraseControlPoints(wxDC& dc);
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  virtual void OnMoveLink(wxDC& dc, bool moveControlPoints = TRUE);
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  // Control points ('handles') redirect control to the actual shape, to make it easier
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  // to override sizing behaviour.
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  virtual void OnSizingDragLeft(wxControlPoint* pt, bool draw, double x, double y, int keys=0, int attachment = 0); // Erase if draw false
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  virtual void OnSizingBeginDragLeft(wxControlPoint* pt, double x, double y, int keys=0, int attachment = 0);
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  virtual void OnSizingEndDragLeft(wxControlPoint* pt, double x, double y, int keys=0, int attachment = 0);
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  virtual void OnBeginSize(double WXUNUSED(w), double WXUNUSED(h)) { }
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  virtual void OnEndSize(double WXUNUSED(w), double WXUNUSED(h)) { }
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  // Can override this to prevent or intercept line reordering.
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  virtual void OnChangeAttachment(int attachment, wxLineShape* line, wxList& ordering);
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  // Creates a copy of this event handler.
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  wxShapeEvtHandler *CreateNewCopy();
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  // Does the copy - override for new event handlers which might store
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  // app-specific data.
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  virtual void CopyData(wxShapeEvtHandler& copy) {};
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 private:
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  wxShapeEvtHandler*    m_previousHandler;
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  wxShape*              m_handlerShape;
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};
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class wxShape: public wxShapeEvtHandler
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{
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 DECLARE_ABSTRACT_CLASS(wxShape)
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 public:
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  wxShape(wxShapeCanvas *can = NULL);
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  virtual ~wxShape();
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  virtual void GetBoundingBoxMax(double *width, double *height);
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  virtual void GetBoundingBoxMin(double *width, double *height) = 0;
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  virtual bool GetPerimeterPoint(double x1, double y1,
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                                 double x2, double y2,
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                                 double *x3, double *y3);
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  inline wxShapeCanvas *GetCanvas() { return m_canvas; }
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  void SetCanvas(wxShapeCanvas *the_canvas);
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  virtual void AddToCanvas(wxShapeCanvas *the_canvas, wxShape *addAfter = NULL);
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  virtual void InsertInCanvas(wxShapeCanvas *the_canvas);
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  virtual void RemoveFromCanvas(wxShapeCanvas *the_canvas);
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  inline double GetX() const { return m_xpos; }
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  inline double GetY() const { return m_ypos; }
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  inline void SetX(double x) { m_xpos = x; }
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  inline void SetY(double y) { m_ypos = y; }
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  inline wxShape *GetParent() const { return m_parent; }
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  inline void SetParent(wxShape *p) { m_parent = p; }
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  wxShape *GetTopAncestor();
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  inline wxList& GetChildren() { return m_children; }
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  virtual void OnDraw(wxDC& dc);
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  virtual void OnDrawContents(wxDC& dc);
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  virtual void OnMoveLinks(wxDC& dc);
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  virtual void Unlink() { };
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  void SetDrawHandles(bool drawH);
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  inline bool GetDrawHandles() { return m_drawHandles; }
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  virtual void OnErase(wxDC& dc);
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  virtual void OnEraseContents(wxDC& dc);
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  virtual void OnHighlight(wxDC& dc);
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  virtual void OnLeftClick(double x, double y, int keys = 0, int attachment = 0);
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  virtual void OnLeftDoubleClick(double x, double y, int keys = 0, int attachment = 0) {}
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  virtual void OnRightClick(double x, double y, int keys = 0, int attachment = 0);
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  virtual void OnSize(double x, double y);
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  virtual bool OnMovePre(wxDC& dc, double x, double y, double old_x, double old_y, bool display = TRUE);
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  virtual void OnMovePost(wxDC& dc, double x, double y, double old_x, double old_y, bool display = TRUE);
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  virtual void OnDragLeft(bool draw, double x, double y, int keys=0, int attachment = 0); // Erase if draw false
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  virtual void OnBeginDragLeft(double x, double y, int keys=0, int attachment = 0);
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  virtual void OnEndDragLeft(double x, double y, int keys=0, int attachment = 0);
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  virtual void OnDragRight(bool draw, double x, double y, int keys=0, int attachment = 0); // Erase if draw false
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  virtual void OnBeginDragRight(double x, double y, int keys=0, int attachment = 0);
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  virtual void OnEndDragRight(double x, double y, int keys=0, int attachment = 0);
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  virtual void OnDrawOutline(wxDC& dc, double x, double y, double w, double h);
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  virtual void OnDrawControlPoints(wxDC& dc);
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  virtual void OnEraseControlPoints(wxDC& dc);
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  virtual void OnBeginSize(double WXUNUSED(w), double WXUNUSED(h)) { }
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  virtual void OnEndSize(double WXUNUSED(w), double WXUNUSED(h)) { }
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  // Control points ('handles') redirect control to the actual shape, to make it easier
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  // to override sizing behaviour.
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  virtual void OnSizingDragLeft(wxControlPoint* pt, bool draw, double x, double y, int keys=0, int attachment = 0); // Erase if draw false
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  virtual void OnSizingBeginDragLeft(wxControlPoint* pt, double x, double y, int keys=0, int attachment = 0);
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  virtual void OnSizingEndDragLeft(wxControlPoint* pt, double x, double y, int keys=0, int attachment = 0);
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  virtual void MakeControlPoints();
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  virtual void DeleteControlPoints(wxDC *dc = NULL);
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  virtual void ResetControlPoints();
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  inline wxShapeEvtHandler *GetEventHandler() { return m_eventHandler; }
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  inline void SetEventHandler(wxShapeEvtHandler *handler) { m_eventHandler = handler; }
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  // Mandatory control points, e.g. the divided line moving handles
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  // should appear even if a child of the 'selected' image
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  virtual void MakeMandatoryControlPoints();
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  virtual void ResetMandatoryControlPoints();
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  inline virtual bool Recompute() { return TRUE; };
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  // Calculate size recursively, if size changes. Size might depend on children.
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  inline virtual void CalculateSize() { };
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  virtual void Select(bool select = TRUE, wxDC* dc = NULL);
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  virtual void SetHighlight(bool hi = TRUE, bool recurse = FALSE);
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  inline virtual bool IsHighlighted() const { return m_highlighted; };
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  virtual bool Selected() const;
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  virtual bool AncestorSelected() const;
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  void SetSensitivityFilter(int sens = OP_ALL, bool recursive = FALSE);
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  int GetSensitivityFilter() const { return m_sensitivity; }
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  void SetDraggable(bool drag, bool recursive = FALSE);
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  inline  void SetFixedSize(bool x, bool y) { m_fixedWidth = x; m_fixedHeight = y; };
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  inline  void GetFixedSize(bool *x, bool *y) const { *x = m_fixedWidth; *y = m_fixedHeight; };
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  inline  bool GetFixedWidth() const { return m_fixedWidth; }
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  inline  bool GetFixedHeight() const { return m_fixedHeight; }
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  inline  void SetSpaceAttachments(bool sp) { m_spaceAttachments = sp; };
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  inline  bool GetSpaceAttachments() const { return m_spaceAttachments; };
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  void SetShadowMode(int mode, bool redraw = FALSE);
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  inline int GetShadowMode() const { return m_shadowMode; }
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  virtual bool HitTest(double x, double y, int *attachment, double *distance);
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  inline void SetCentreResize(bool cr) { m_centreResize = cr; }
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  inline bool GetCentreResize() const { return m_centreResize; }
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  inline void SetMaintainAspectRatio(bool ar) { m_maintainAspectRatio = ar; }
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  inline bool GetMaintainAspectRatio() const { return m_maintainAspectRatio; }
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  inline wxList& GetLines() const { return (wxList&) m_lines; }
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  inline void SetDisableLabel(bool flag) { m_disableLabel = flag; }
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  inline bool GetDisableLabel() const { return m_disableLabel; }
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  inline void SetAttachmentMode(int mode) { m_attachmentMode = mode; }
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  inline int GetAttachmentMode() const { return m_attachmentMode; }
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  inline void SetId(long i) { m_id = i; }
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  inline long GetId() const { return m_id; }
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  void SetPen(wxPen *pen);
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  void SetBrush(wxBrush *brush);
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  inline void SetClientData(wxObject *client_data) { m_clientData = client_data; };
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  inline wxObject *GetClientData() const { return m_clientData; };
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  virtual void Show(bool show);
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  virtual bool IsShown() const { return m_visible; }
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  virtual void Move(wxDC& dc, double x1, double y1, bool display = TRUE);
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  virtual void Erase(wxDC& dc);
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  virtual void EraseContents(wxDC& dc);
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  virtual void Draw(wxDC& dc);
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						|
  virtual void Flash();
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  virtual void MoveLinks(wxDC& dc);
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  virtual void DrawContents(wxDC& dc);  // E.g. for drawing text label
 | 
						|
  virtual void SetSize(double x, double y, bool recursive = TRUE);
 | 
						|
  virtual void SetAttachmentSize(double x, double y);
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  void Attach(wxShapeCanvas *can);
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  void Detach();
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						|
 | 
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  inline virtual bool Constrain() { return FALSE; } ;
 | 
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 | 
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  void AddLine(wxLineShape *line, wxShape *other,
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               int attachFrom = 0, int attachTo = 0,
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               // The line ordering
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               int positionFrom = -1, int positionTo = -1);
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  // Return the zero-based position in m_lines of line.
 | 
						|
  int GetLinePosition(wxLineShape* line);
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 | 
						|
  void AddText(const wxString& string);
 | 
						|
 | 
						|
  inline wxPen *GetPen() const { return m_pen; }
 | 
						|
  inline wxBrush *GetBrush() const { return m_brush; }
 | 
						|
 | 
						|
  /*
 | 
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   * Region-specific functions (defaults to the default region
 | 
						|
   * for simple objects
 | 
						|
   */
 | 
						|
 | 
						|
  // Set the default, single region size to be consistent
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  // with the object size
 | 
						|
  void SetDefaultRegionSize();
 | 
						|
  virtual void FormatText(wxDC& dc, const wxString& s, int regionId = 0);
 | 
						|
  virtual void SetFormatMode(int mode, int regionId = 0);
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						|
  virtual int GetFormatMode(int regionId = 0) const;
 | 
						|
  virtual void SetFont(wxFont *font, int regionId = 0);
 | 
						|
  virtual wxFont *GetFont(int regionId = 0) const;
 | 
						|
  virtual void SetTextColour(const wxString& colour, int regionId = 0);
 | 
						|
  virtual wxString GetTextColour(int regionId = 0) const;
 | 
						|
  virtual inline int GetNumberOfTextRegions() const { return m_regions.Number(); }
 | 
						|
  virtual void SetRegionName(const wxString& name, int regionId = 0);
 | 
						|
 | 
						|
  // Get the name representing the region for this image alone.
 | 
						|
  // I.e. this image's region ids go from 0 to N-1.
 | 
						|
  // But the names might be "0.2.0", "0.2.1" etc. depending on position in composite.
 | 
						|
  // So the last digit represents the region Id, the others represent positions
 | 
						|
  // in composites.
 | 
						|
  virtual wxString GetRegionName(int regionId);
 | 
						|
 | 
						|
  // Gets the region corresponding to the name, or -1 if not found.
 | 
						|
  virtual int GetRegionId(const wxString& name);
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						|
 | 
						|
  // Construct names for regions, unique even for children of a composite.
 | 
						|
  virtual void NameRegions(const wxString& parentName = "");
 | 
						|
 | 
						|
  // Get list of regions
 | 
						|
  inline wxList& GetRegions() const { return (wxList&) m_regions; }
 | 
						|
 | 
						|
  virtual void AddRegion(wxShapeRegion *region);
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						|
 | 
						|
  virtual void ClearRegions();
 | 
						|
 | 
						|
  // Assign new ids to this image and children (if composite)
 | 
						|
  void AssignNewIds();
 | 
						|
 | 
						|
  // Returns actual image (same as 'this' if non-composite) and region id
 | 
						|
  // for given region name.
 | 
						|
  virtual wxShape *FindRegion(const wxString& regionName, int *regionId);
 | 
						|
 | 
						|
  // Finds all region names for this image (composite or simple).
 | 
						|
  // Supply empty string list.
 | 
						|
  virtual void FindRegionNames(wxStringList& list);
 | 
						|
 | 
						|
  virtual void ClearText(int regionId = 0);
 | 
						|
  void RemoveLine(wxLineShape *line);
 | 
						|
 | 
						|
#ifdef PROLOGIO
 | 
						|
  // I/O
 | 
						|
  virtual void WriteAttributes(wxExpr *clause);
 | 
						|
  virtual void ReadAttributes(wxExpr *clause);
 | 
						|
 | 
						|
  // In case the object has constraints it needs to read in in a different pass
 | 
						|
  inline virtual void ReadConstraints(wxExpr *WXUNUSED(clause), wxExprDatabase *WXUNUSED(database)) { };
 | 
						|
  virtual void WriteRegions(wxExpr *clause);
 | 
						|
  virtual void ReadRegions(wxExpr *clause);
 | 
						|
#endif
 | 
						|
 | 
						|
  // Attachment code
 | 
						|
  virtual bool GetAttachmentPosition(int attachment, double *x, double *y,
 | 
						|
                                     int nth = 0, int no_arcs = 1, wxLineShape *line = NULL);
 | 
						|
  virtual int GetNumberOfAttachments() const;
 | 
						|
  virtual bool AttachmentIsValid(int attachment) const;
 | 
						|
 | 
						|
  // Only get the attachment position at the _edge_ of the shape, ignoring
 | 
						|
  // branching mode. This is used e.g. to indicate the edge of interest, not the point
 | 
						|
  // on the attachment branch.
 | 
						|
  virtual bool GetAttachmentPositionEdge(int attachment, double *x, double *y,
 | 
						|
                                     int nth = 0, int no_arcs = 1, wxLineShape *line = NULL);
 | 
						|
 | 
						|
  // Assuming the attachment lies along a vertical or horizontal line,
 | 
						|
  // calculate the position on that point.
 | 
						|
  virtual wxRealPoint CalcSimpleAttachment(const wxRealPoint& pt1, const wxRealPoint& pt2,
 | 
						|
    int nth, int noArcs, wxLineShape* line);
 | 
						|
 | 
						|
  // Returns TRUE if pt1 <= pt2 in the sense that one point comes before another on an
 | 
						|
  // edge of the shape.
 | 
						|
  // attachmentPoint is the attachment point (= side) in question.
 | 
						|
  virtual bool AttachmentSortTest(int attachmentPoint, const wxRealPoint& pt1, const wxRealPoint& pt2);
 | 
						|
 | 
						|
  virtual void EraseLinks(wxDC& dc, int attachment = -1, bool recurse = FALSE);
 | 
						|
  virtual void DrawLinks(wxDC& dc, int attachment = -1, bool recurse = FALSE);
 | 
						|
 | 
						|
  virtual bool MoveLineToNewAttachment(wxDC& dc, wxLineShape *to_move,
 | 
						|
                                       double x, double y);
 | 
						|
 | 
						|
  // Reorders the lines coming into the node image at this attachment
 | 
						|
  // position, in the order in which they appear in linesToSort.
 | 
						|
  virtual void SortLines(int attachment, wxList& linesToSort);
 | 
						|
 | 
						|
  // Apply an attachment ordering change
 | 
						|
  void ApplyAttachmentOrdering(wxList& ordering);
 | 
						|
 | 
						|
  // Can override this to prevent or intercept line reordering.
 | 
						|
  virtual void OnChangeAttachment(int attachment, wxLineShape* line, wxList& ordering);
 | 
						|
 | 
						|
  //// New banching attachment code, 24/9/98
 | 
						|
 | 
						|
  //
 | 
						|
  //             |________|
 | 
						|
  //                 | <- root
 | 
						|
  //                 | <- neck
 | 
						|
  // shoulder1 ->---------<- shoulder2
 | 
						|
  //             | | | | |<- stem
 | 
						|
  //                      <- branching attachment point N-1
 | 
						|
 | 
						|
  // This function gets the root point at the given attachment.
 | 
						|
  virtual wxRealPoint GetBranchingAttachmentRoot(int attachment);
 | 
						|
 | 
						|
  // This function gets information about where branching connections go (calls GetBranchingAttachmentRoot)
 | 
						|
  virtual bool GetBranchingAttachmentInfo(int attachment, wxRealPoint& root, wxRealPoint& neck,
 | 
						|
    wxRealPoint& shoulder1, wxRealPoint& shoulder2);
 | 
						|
 | 
						|
  // n is the number of the adjoining line, from 0 to N-1 where N is the number of lines
 | 
						|
  // at this attachment point.
 | 
						|
  // attachmentPoint is where the arc meets the stem, and stemPoint is where the stem meets the
 | 
						|
  // shoulder.
 | 
						|
  virtual bool GetBranchingAttachmentPoint(int attachment, int n, wxRealPoint& attachmentPoint,
 | 
						|
    wxRealPoint& stemPoint);
 | 
						|
 | 
						|
  // Get the number of lines at this attachment position.
 | 
						|
  virtual int GetAttachmentLineCount(int attachment) const;
 | 
						|
 | 
						|
  // Draw the branches (not the actual arcs though)
 | 
						|
  virtual void OnDrawBranches(wxDC& dc, int attachment, bool erase = FALSE);
 | 
						|
  virtual void OnDrawBranches(wxDC& dc, bool erase = FALSE);
 | 
						|
 | 
						|
  // Branching attachment settings
 | 
						|
  inline void SetBranchNeckLength(int len) { m_branchNeckLength = len; }
 | 
						|
  inline int GetBranchNeckLength() const { return m_branchNeckLength; }
 | 
						|
 | 
						|
  inline void SetBranchStemLength(int len) { m_branchStemLength = len; }
 | 
						|
  inline int GetBranchStemLength() const { return m_branchStemLength; }
 | 
						|
 | 
						|
  inline void SetBranchSpacing(int len) { m_branchSpacing = len; }
 | 
						|
  inline int GetBranchSpacing() const { return m_branchSpacing; }
 | 
						|
 | 
						|
  // Further detail on branching style, e.g. blobs on interconnections
 | 
						|
  inline void SetBranchStyle(long style) { m_branchStyle = style; }
 | 
						|
  inline long GetBranchStyle() const { return m_branchStyle; }
 | 
						|
 | 
						|
  // Rotate the standard attachment point from physical (0 is always North)
 | 
						|
  // to logical (0 -> 1 if rotated by 90 degrees)
 | 
						|
  virtual int PhysicalToLogicalAttachment(int physicalAttachment) const;
 | 
						|
 | 
						|
  // Rotate the standard attachment point from logical
 | 
						|
  // to physical (0 is always North)
 | 
						|
  virtual int LogicalToPhysicalAttachment(int logicalAttachment) const;
 | 
						|
 | 
						|
  // This is really to distinguish between lines and other images.
 | 
						|
  // For lines, want to pass drag to canvas, since lines tend to prevent
 | 
						|
  // dragging on a canvas (they get in the way.)
 | 
						|
  virtual bool Draggable() const { return TRUE; }
 | 
						|
 | 
						|
  // Returns TRUE if image is a descendant of this image
 | 
						|
  bool HasDescendant(wxShape *image);
 | 
						|
 | 
						|
  // Creates a copy of this shape.
 | 
						|
  wxShape *CreateNewCopy(bool resetMapping = TRUE, bool recompute = TRUE);
 | 
						|
 | 
						|
  // Does the copying for this object
 | 
						|
  virtual void Copy(wxShape& copy);
 | 
						|
 | 
						|
  // Does the copying for this object, including copying event
 | 
						|
  // handler data if any. Calls the virtual Copy function.
 | 
						|
  void CopyWithHandler(wxShape& copy);
 | 
						|
 | 
						|
  // Rotate about the given axis by the given amount in radians.
 | 
						|
  virtual void Rotate(double x, double y, double theta);
 | 
						|
  virtual inline double GetRotation() const { return m_rotation; }
 | 
						|
 | 
						|
  void ClearAttachments();
 | 
						|
 | 
						|
  // Recentres all the text regions for this object
 | 
						|
  void Recentre(wxDC& dc);
 | 
						|
 | 
						|
  // Clears points from a list of wxRealPoints
 | 
						|
  void ClearPointList(wxList& list);
 | 
						|
 | 
						|
 private:
 | 
						|
  wxObject*             m_clientData;
 | 
						|
 | 
						|
 protected:
 | 
						|
  wxShapeEvtHandler*    m_eventHandler;
 | 
						|
  bool                  m_formatted;
 | 
						|
  double                m_xpos, m_ypos;
 | 
						|
  wxPen*                m_pen;
 | 
						|
  wxBrush*              m_brush;
 | 
						|
  wxFont*               m_font;
 | 
						|
  wxColour*             m_textColour;
 | 
						|
  wxString              m_textColourName;
 | 
						|
  wxShapeCanvas*        m_canvas;
 | 
						|
  wxList                m_lines;
 | 
						|
  wxList                m_text;
 | 
						|
  wxList                m_controlPoints;
 | 
						|
  wxList                m_regions;
 | 
						|
  wxList                m_attachmentPoints;
 | 
						|
  bool                  m_visible;
 | 
						|
  bool                  m_disableLabel;
 | 
						|
  long                  m_id;
 | 
						|
  bool                  m_selected;
 | 
						|
  bool                  m_highlighted;      // Different from selected: user-defined highlighting,
 | 
						|
                                            // e.g. thick border.
 | 
						|
  double                m_rotation;
 | 
						|
  int                   m_sensitivity;
 | 
						|
  bool                  m_draggable;
 | 
						|
  int                   m_attachmentMode;   // 0 for no attachments, 1 if using normal attachments,
 | 
						|
                                            // 2 for branching attachments
 | 
						|
  bool                  m_spaceAttachments; // TRUE if lines at one side should be spaced
 | 
						|
  bool                  m_fixedWidth;
 | 
						|
  bool                  m_fixedHeight;
 | 
						|
  bool                  m_centreResize;    // Default is to resize keeping the centre constant (TRUE)
 | 
						|
  bool                  m_drawHandles;     // Don't draw handles if FALSE, usually TRUE
 | 
						|
  wxList                m_children;      // In case it's composite
 | 
						|
  wxShape*              m_parent;      // In case it's a child
 | 
						|
  int                   m_formatMode;
 | 
						|
  int                   m_shadowMode;
 | 
						|
  wxBrush*              m_shadowBrush;
 | 
						|
  int                   m_shadowOffsetX;
 | 
						|
  int                   m_shadowOffsetY;
 | 
						|
  int                   m_textMarginX;    // Gap between text and border
 | 
						|
  int                   m_textMarginY;
 | 
						|
  wxString              m_regionName;
 | 
						|
  bool                  m_maintainAspectRatio;
 | 
						|
  int                   m_branchNeckLength;
 | 
						|
  int                   m_branchStemLength;
 | 
						|
  int                   m_branchSpacing;
 | 
						|
  long                  m_branchStyle;
 | 
						|
};
 | 
						|
 | 
						|
class wxPolygonShape: public wxShape
 | 
						|
{
 | 
						|
 DECLARE_DYNAMIC_CLASS(wxPolygonShape)
 | 
						|
 public:
 | 
						|
  wxPolygonShape();
 | 
						|
  ~wxPolygonShape();
 | 
						|
 | 
						|
  // Takes a list of wxRealPoints; each point is an OFFSET from the centre.
 | 
						|
  // Deletes user's points in destructor.
 | 
						|
  virtual void Create(wxList *points);
 | 
						|
  virtual void ClearPoints();
 | 
						|
 | 
						|
  void GetBoundingBoxMin(double *w, double *h);
 | 
						|
  void CalculateBoundingBox();
 | 
						|
  bool GetPerimeterPoint(double x1, double y1,
 | 
						|
                                 double x2, double y2,
 | 
						|
                                 double *x3, double *y3);
 | 
						|
  bool HitTest(double x, double y, int *attachment, double *distance);
 | 
						|
  void SetSize(double x, double y, bool recursive = TRUE);
 | 
						|
  void OnDraw(wxDC& dc);
 | 
						|
  void OnDrawOutline(wxDC& dc, double x, double y, double w, double h);
 | 
						|
 | 
						|
  // Control points ('handles') redirect control to the actual shape, to make it easier
 | 
						|
  // to override sizing behaviour.
 | 
						|
  virtual void OnSizingDragLeft(wxControlPoint* pt, bool draw, double x, double y, int keys=0, int attachment = 0);
 | 
						|
  virtual void OnSizingBeginDragLeft(wxControlPoint* pt, double x, double y, int keys=0, int attachment = 0);
 | 
						|
  virtual void OnSizingEndDragLeft(wxControlPoint* pt, double x, double y, int keys=0, int attachment = 0);
 | 
						|
 | 
						|
  // A polygon should have a control point at each vertex,
 | 
						|
  // with the option of moving the control points individually
 | 
						|
  // to change the shape.
 | 
						|
  void MakeControlPoints();
 | 
						|
  void ResetControlPoints();
 | 
						|
 | 
						|
  // If we've changed the shape, must make the original
 | 
						|
  // points match the working points
 | 
						|
  void UpdateOriginalPoints();
 | 
						|
 | 
						|
  // Add a control point after the given point
 | 
						|
  virtual void AddPolygonPoint(int pos = 0);
 | 
						|
 | 
						|
  // Delete a control point
 | 
						|
  virtual void DeletePolygonPoint(int pos = 0);
 | 
						|
 | 
						|
  // Recalculates the centre of the polygon
 | 
						|
  virtual void CalculatePolygonCentre();
 | 
						|
 | 
						|
#ifdef PROLOGIO
 | 
						|
  void WriteAttributes(wxExpr *clause);
 | 
						|
  void ReadAttributes(wxExpr *clause);
 | 
						|
#endif
 | 
						|
 | 
						|
  int GetNumberOfAttachments() const;
 | 
						|
  bool GetAttachmentPosition(int attachment, double *x, double *y,
 | 
						|
                                     int nth = 0, int no_arcs = 1, wxLineShape *line = NULL);
 | 
						|
  bool AttachmentIsValid(int attachment);
 | 
						|
  // Does the copying for this object
 | 
						|
  void Copy(wxShape& copy);
 | 
						|
 | 
						|
  inline wxList *GetPoints() { return m_points; }
 | 
						|
 | 
						|
  // Rotate about the given axis by the given amount in radians
 | 
						|
  virtual void Rotate(double x, double y, double theta);
 | 
						|
 | 
						|
 private:
 | 
						|
  wxList*       m_points;
 | 
						|
  wxList*       m_originalPoints;
 | 
						|
  double        m_boundWidth;
 | 
						|
  double        m_boundHeight;
 | 
						|
  double        m_originalWidth;
 | 
						|
  double        m_originalHeight;
 | 
						|
};
 | 
						|
 | 
						|
class wxRectangleShape: public wxShape
 | 
						|
{
 | 
						|
 DECLARE_DYNAMIC_CLASS(wxRectangleShape)
 | 
						|
 public:
 | 
						|
  wxRectangleShape(double w = 0.0, double h = 0.0);
 | 
						|
  void GetBoundingBoxMin(double *w, double *h);
 | 
						|
  bool GetPerimeterPoint(double x1, double y1,
 | 
						|
                                 double x2, double y2,
 | 
						|
                                 double *x3, double *y3);
 | 
						|
  void OnDraw(wxDC& dc);
 | 
						|
  void SetSize(double x, double y, bool recursive = TRUE);
 | 
						|
  void SetCornerRadius(double rad); // If > 0, rounded corners
 | 
						|
 | 
						|
#ifdef PROLOGIO
 | 
						|
  void WriteAttributes(wxExpr *clause);
 | 
						|
  void ReadAttributes(wxExpr *clause);
 | 
						|
#endif
 | 
						|
 | 
						|
  int GetNumberOfAttachments() const;
 | 
						|
  bool GetAttachmentPosition(int attachment, double *x, double *y,
 | 
						|
                                     int nth = 0, int no_arcs = 1, wxLineShape *line = NULL);
 | 
						|
  // Does the copying for this object
 | 
						|
  void Copy(wxShape& copy);
 | 
						|
 | 
						|
  inline double GetWidth() const { return m_width; }
 | 
						|
  inline double GetHeight() const { return m_height; }
 | 
						|
  inline void SetWidth(double w) { m_width = w; }
 | 
						|
  inline void SetHeight(double h) { m_height = h; }
 | 
						|
 | 
						|
protected:
 | 
						|
  double m_width;
 | 
						|
  double m_height;
 | 
						|
  double m_cornerRadius;
 | 
						|
};
 | 
						|
 | 
						|
class wxTextShape: public wxRectangleShape
 | 
						|
{
 | 
						|
 DECLARE_DYNAMIC_CLASS(wxTextShape)
 | 
						|
 public:
 | 
						|
  wxTextShape(double width = 0.0, double height = 0.0);
 | 
						|
 | 
						|
  void OnDraw(wxDC& dc);
 | 
						|
 | 
						|
#ifdef PROLOGIO
 | 
						|
  void WriteAttributes(wxExpr *clause);
 | 
						|
#endif
 | 
						|
 | 
						|
  // Does the copying for this object
 | 
						|
  void Copy(wxShape& copy);
 | 
						|
};
 | 
						|
 | 
						|
class wxEllipseShape: public wxShape
 | 
						|
{
 | 
						|
 DECLARE_DYNAMIC_CLASS(wxEllipseShape)
 | 
						|
 public:
 | 
						|
  wxEllipseShape(double w = 0.0, double h = 0.0);
 | 
						|
 | 
						|
  void GetBoundingBoxMin(double *w, double *h);
 | 
						|
  bool GetPerimeterPoint(double x1, double y1,
 | 
						|
                                 double x2, double y2,
 | 
						|
                                 double *x3, double *y3);
 | 
						|
 | 
						|
  void OnDraw(wxDC& dc);
 | 
						|
  void SetSize(double x, double y, bool recursive = TRUE);
 | 
						|
 | 
						|
#ifdef PROLOGIO
 | 
						|
  void WriteAttributes(wxExpr *clause);
 | 
						|
  void ReadAttributes(wxExpr *clause);
 | 
						|
#endif
 | 
						|
 | 
						|
  int GetNumberOfAttachments() const;
 | 
						|
  bool GetAttachmentPosition(int attachment, double *x, double *y,
 | 
						|
                                     int nth = 0, int no_arcs = 1, wxLineShape *line = NULL);
 | 
						|
 | 
						|
  // Does the copying for this object
 | 
						|
  void Copy(wxShape& copy);
 | 
						|
 | 
						|
  inline double GetWidth() const { return m_width; }
 | 
						|
  inline double GetHeight() const { return m_height; }
 | 
						|
 | 
						|
  inline void SetWidth(double w) { m_width = w; }
 | 
						|
  inline void SetHeight(double h) { m_height = h; }
 | 
						|
 | 
						|
protected:
 | 
						|
  double m_width;
 | 
						|
  double m_height;
 | 
						|
};
 | 
						|
 | 
						|
class wxCircleShape: public wxEllipseShape
 | 
						|
{
 | 
						|
 DECLARE_DYNAMIC_CLASS(wxCircleShape)
 | 
						|
 public:
 | 
						|
  wxCircleShape(double w = 0.0);
 | 
						|
 | 
						|
  bool GetPerimeterPoint(double x1, double y1,
 | 
						|
                                 double x2, double y2,
 | 
						|
                                 double *x3, double *y3);
 | 
						|
  // Does the copying for this object
 | 
						|
  void Copy(wxShape& copy);
 | 
						|
};
 | 
						|
 | 
						|
#endif
 | 
						|
 // _OGL_BASIC_H_
 |