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[wxWidgets.git] / include / wx / msw / scrolbar.h
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: scrollbar.h
3 // Purpose: wxScrollBar class
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 01/02/97
7 // RCS-ID: $Id$
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_SCROLBAR_H_
13 #define _WX_SCROLBAR_H_
14
15 #ifdef __GNUG__
16 #pragma interface "scrolbar.h"
17 #endif
18
19 #include "wx/control.h"
20
21 WXDLLEXPORT_DATA(extern const wxChar*) wxScrollBarNameStr;
22
23 // Scrollbar item
24 class WXDLLEXPORT wxScrollBar: public wxControl
25 {
26 DECLARE_DYNAMIC_CLASS(wxScrollBar)
27
28 public:
29 wxScrollBar() { m_pageSize = 0; m_viewSize = 0; m_objectSize = 0; }
30 ~wxScrollBar();
31
32 wxScrollBar(wxWindow *parent, wxWindowID id,
33 const wxPoint& pos = wxDefaultPosition,
34 const wxSize& size = wxDefaultSize,
35 long style = wxSB_HORIZONTAL,
36 const wxValidator& validator = wxDefaultValidator,
37 const wxString& name = wxScrollBarNameStr)
38 {
39 Create(parent, id, pos, size, style, validator, name);
40 }
41 bool Create(wxWindow *parent, wxWindowID id,
42 const wxPoint& pos = wxDefaultPosition,
43 const wxSize& size = wxDefaultSize,
44 long style = wxSB_HORIZONTAL,
45 const wxValidator& validator = wxDefaultValidator,
46 const wxString& name = wxScrollBarNameStr);
47
48 int GetThumbPosition() const ;
49 int GetThumbSize() const { return m_pageSize; }
50 int GetPageSize() const { return m_viewSize; }
51 int GetRange() const { return m_objectSize; }
52
53 virtual void SetThumbPosition(int viewStart);
54 virtual void SetScrollbar(int position, int thumbSize, int range, int pageSize,
55 bool refresh = TRUE);
56
57 #if WXWIN_COMPATIBILITY
58 // Backward compatibility
59 int GetValue() const { return GetThumbPosition(); }
60 void SetValue(int viewStart) { SetThumbPosition(viewStart); }
61 void GetValues(int *viewStart, int *viewLength, int *objectLength,
62 int *pageLength) const ;
63 int GetViewLength() const { return m_viewSize; }
64 int GetObjectLength() const { return m_objectSize; }
65
66 void SetPageSize(int pageLength);
67 void SetObjectLength(int objectLength);
68 void SetViewLength(int viewLength);
69 #endif
70
71 void Command(wxCommandEvent& event);
72 virtual WXHBRUSH OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
73 WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
74 virtual bool MSWOnScroll(int orientation, WXWORD wParam,
75 WXWORD pos, WXHWND control);
76
77 #if WXWIN_COMPATIBILITY
78 // Backward compatibility: generate an old-style scroll command
79 void OnScroll(wxScrollEvent& event);
80 #endif // WXWIN_COMPATIBILITY
81
82 protected:
83 int m_pageSize;
84 int m_viewSize;
85 int m_objectSize;
86
87 DECLARE_EVENT_TABLE()
88 };
89
90 #endif
91 // _WX_SCROLBAR_H_