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1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: wx/combobox.h
3 // Purpose: wxComboBox declaration
4 // Author: Vadim Zeitlin
5 // Modified by:
6 // Created: 24.12.00
7 // RCS-ID: $Id$
8 // Copyright: (c) 1996-2000 wxWidgets team
9 // Licence: wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_COMBOBOX_H_BASE_
13 #define _WX_COMBOBOX_H_BASE_
14
15 #include "wx/defs.h"
16
17 #if wxUSE_COMBOBOX
18
19 extern WXDLLEXPORT_DATA(const char) wxComboBoxNameStr[];
20
21 // ----------------------------------------------------------------------------
22 // wxComboBoxBase: this interface defines the methods wxComboBox must implement
23 // ----------------------------------------------------------------------------
24
25 #include "wx/ctrlsub.h"
26 #include "wx/textentry.h"
27
28 class WXDLLEXPORT wxComboBoxBase : public wxItemContainer,
29 public wxTextEntry
30 {
31 public:
32 // override these methods to disambiguate between two base classes versions
33 virtual void Clear()
34 {
35 wxTextEntry::Clear();
36 wxItemContainer::Clear();
37 }
38
39 bool IsEmpty() const { return wxItemContainer::IsEmpty(); }
40
41 // also bring in GetSelection() versions of both base classes in scope
42 //
43 // NB: GetSelection(from, to) could be already implemented in wxTextEntry
44 // but still make it pure virtual because for some platforms it's not
45 // implemented there and also because the derived class has to override
46 // it anyhow to avoid ambiguity with the other GetSelection()
47 virtual int GetSelection() const = 0;
48 virtual void GetSelection(long *from, long *to) const = 0;
49
50 // may return value different from GetSelection() when the combobox
51 // dropdown is shown and the user selected, but not yet accepted, a value
52 // different from the old one in it
53 virtual int GetCurrentSelection() const { return GetSelection(); }
54 };
55
56 // ----------------------------------------------------------------------------
57 // include the platform-dependent header defining the real class
58 // ----------------------------------------------------------------------------
59
60 #if defined(__WXUNIVERSAL__)
61 #include "wx/univ/combobox.h"
62 #elif defined(__WXMSW__)
63 #include "wx/msw/combobox.h"
64 #elif defined(__WXMOTIF__)
65 #include "wx/motif/combobox.h"
66 #elif defined(__WXGTK20__)
67 #include "wx/gtk/combobox.h"
68 #elif defined(__WXGTK__)
69 #include "wx/gtk1/combobox.h"
70 #elif defined(__WXMAC__)
71 #include "wx/mac/combobox.h"
72 #elif defined(__WXCOCOA__)
73 #include "wx/cocoa/combobox.h"
74 #elif defined(__WXPM__)
75 #include "wx/os2/combobox.h"
76 #endif
77
78 #endif // wxUSE_COMBOBOX
79
80 #endif // _WX_COMBOBOX_H_BASE_