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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 = wxID_ANY, | |
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_ |