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Prevent seg fault for older GTK+
[wxWidgets.git] / include / wx / gtk1 / choice.h
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/gtk1/choice.h
3 // Purpose:
4 // Author: Robert Roebling
5 // Id: $Id$
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 #ifndef __GTKCHOICEH__
11 #define __GTKCHOICEH__
12
13 class WXDLLIMPEXP_BASE wxSortedArrayString;
14 class WXDLLIMPEXP_BASE wxArrayString;
15
16 //-----------------------------------------------------------------------------
17 // wxChoice
18 //-----------------------------------------------------------------------------
19
20 class WXDLLIMPEXP_CORE wxChoice : public wxChoiceBase
21 {
22 public:
23 wxChoice();
24 wxChoice( wxWindow *parent, wxWindowID id,
25 const wxPoint& pos = wxDefaultPosition,
26 const wxSize& size = wxDefaultSize,
27 int n = 0, const wxString choices[] = (const wxString *) NULL,
28 long style = 0,
29 const wxValidator& validator = wxDefaultValidator,
30 const wxString& name = wxChoiceNameStr )
31 {
32 m_strings = (wxSortedArrayString *)NULL;
33
34 Create(parent, id, pos, size, n, choices, style, validator, name);
35 }
36 wxChoice( wxWindow *parent, wxWindowID id,
37 const wxPoint& pos,
38 const wxSize& size,
39 const wxArrayString& choices,
40 long style = 0,
41 const wxValidator& validator = wxDefaultValidator,
42 const wxString& name = wxChoiceNameStr )
43 {
44 m_strings = (wxSortedArrayString *)NULL;
45
46 Create(parent, id, pos, size, choices, style, validator, name);
47 }
48 virtual ~wxChoice();
49 bool Create( wxWindow *parent, wxWindowID id,
50 const wxPoint& pos = wxDefaultPosition,
51 const wxSize& size = wxDefaultSize,
52 int n = 0, const wxString choices[] = (wxString *) NULL,
53 long style = 0,
54 const wxValidator& validator = wxDefaultValidator,
55 const wxString& name = wxChoiceNameStr );
56 bool Create( wxWindow *parent, wxWindowID id,
57 const wxPoint& pos,
58 const wxSize& size,
59 const wxArrayString& choices,
60 long style = 0,
61 const wxValidator& validator = wxDefaultValidator,
62 const wxString& name = wxChoiceNameStr );
63
64 // implement base class pure virtuals
65 void Delete(unsigned int n);
66 void Clear();
67
68 int GetSelection() const;
69 virtual void SetSelection(int n);
70
71 virtual unsigned int GetCount() const;
72 virtual int FindString(const wxString& s, bool bCase = false) const;
73 virtual wxString GetString(unsigned int n) const;
74 virtual void SetString(unsigned int n, const wxString& string);
75
76 static wxVisualAttributes
77 GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
78
79 protected:
80 wxList m_clientList; // contains the client data for the items
81
82 void DoApplyWidgetStyle(GtkRcStyle *style);
83 virtual int DoAppend(const wxString& item);
84 virtual int DoInsert(const wxString& item, unsigned int pos);
85
86 virtual void DoSetItemClientData(unsigned int n, void* clientData);
87 virtual void* DoGetItemClientData(unsigned int n) const;
88 virtual void DoSetItemClientObject(unsigned int n, wxClientData* clientData);
89 virtual wxClientData* DoGetItemClientObject(unsigned int n) const;
90
91 virtual wxSize DoGetBestSize() const;
92
93 virtual bool IsOwnGtkWindow( GdkWindow *window );
94
95 private:
96 // common part of Create() and DoAppend()
97 int GtkAddHelper(GtkWidget *menu, unsigned int pos, const wxString& item);
98
99 // this array is only used for controls with wxCB_SORT style, so only
100 // allocate it if it's needed (hence using pointer)
101 wxSortedArrayString *m_strings;
102
103 public:
104 // this circumvents a GTK+ 2.0 bug so that the selection is
105 // invalidated properly
106 int m_selection_hack;
107
108 private:
109 DECLARE_DYNAMIC_CLASS(wxChoice)
110 };
111
112
113 #endif // __GTKCHOICEH__