include/wx/msw/choice.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        choice.h
   3 // Purpose:     wxChoice class
   4 // Author:      Julian Smart
   5 // Modified by: Vadim Zeitlin to derive from wxChoiceBase
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_CHOICE_H_
  13 #define _WX_CHOICE_H_
  14
  15 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  16     #pragma interface "choice.h"
  17 #endif
  18
  19 // ----------------------------------------------------------------------------
  20 // Choice item
  21 // ----------------------------------------------------------------------------
  22
  23 class WXDLLEXPORT wxChoice : public wxChoiceBase
  24 {
  25 public:
  26     // ctors
  27     wxChoice() { }
  28     virtual ~wxChoice();
  29
  30     wxChoice(wxWindow *parent,
  31              wxWindowID id,
  32              const wxPoint& pos = wxDefaultPosition,
  33              const wxSize& size = wxDefaultSize,
  34              int n = 0, const wxString choices[] = NULL,
  35              long style = 0,
  36              const wxValidator& validator = wxDefaultValidator,
  37              const wxString& name = wxChoiceNameStr)
  38     {
  39         Create(parent, id, pos, size, n, choices, style, validator, name);
  40     }
  41     wxChoice(wxWindow *parent,
  42              wxWindowID id,
  43              const wxPoint& pos,
  44              const wxSize& size,
  45              const wxArrayString& choices,
  46              long style = 0,
  47              const wxValidator& validator = wxDefaultValidator,
  48              const wxString& name = wxChoiceNameStr)
  49     {
  50         Create(parent, id, pos, size, choices, style, validator, name);
  51     }
  52
  53     bool Create(wxWindow *parent,
  54                 wxWindowID id,
  55                 const wxPoint& pos = wxDefaultPosition,
  56                 const wxSize& size = wxDefaultSize,
  57                 int n = 0, const wxString choices[] = NULL,
  58                 long style = 0,
  59                 const wxValidator& validator = wxDefaultValidator,
  60                 const wxString& name = wxChoiceNameStr);
  61     bool Create(wxWindow *parent,
  62                 wxWindowID id,
  63                 const wxPoint& pos,
  64                 const wxSize& size,
  65                 const wxArrayString& choices,
  66                 long style = 0,
  67                 const wxValidator& validator = wxDefaultValidator,
  68                 const wxString& name = wxChoiceNameStr);
  69
  70     // implement base class pure virtuals
  71     virtual int DoAppend(const wxString& item);
  72     virtual int DoInsert(const wxString& item, int pos);
  73     virtual void Delete(int n);
  74     virtual void Clear();
  75
  76     virtual int GetCount() const;
  77     virtual int GetSelection() const;
  78     virtual void SetSelection(int n);
  79
  80     virtual int FindString(const wxString& s) const;
  81     virtual wxString GetString(int n) const;
  82     virtual void SetString(int n, const wxString& s);
  83
  84     // MSW only
  85     virtual bool MSWCommand(WXUINT param, WXWORD id);
  86     long MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
  87     virtual WXHBRUSH OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
  88             WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
  89
  90 protected:
  91     virtual void DoMoveWindow(int x, int y, int width, int height);
  92     virtual void DoSetItemClientData( int n, void* clientData );
  93     virtual void* DoGetItemClientData( int n ) const;
  94     virtual void DoSetItemClientObject( int n, wxClientData* clientData );
  95     virtual wxClientData* DoGetItemClientObject( int n ) const;
  96
  97     // MSW implementation
  98     virtual wxSize DoGetBestSize() const;
  99     virtual void DoGetSize(int *w, int *h) const;
 100     virtual void DoSetSize(int x, int y,
 101                            int width, int height,
 102                            int sizeFlags = wxSIZE_AUTO);
 103
 104     virtual WXDWORD MSWGetStyle(long style, WXDWORD *exstyle) const;
 105
 106     // get the real height of the control
 107     int GetVisibleHeight() const;
 108
 109     // update the height of the drop down list to fit the number of items we
 110     // have (without changing the visible height)
 111     void UpdateVisibleHeight();
 112
 113     // create and initialize the control
 114     bool CreateAndInit(wxWindow *parent, wxWindowID id,
 115                        const wxPoint& pos,
 116                        const wxSize& size,
 117                        int n, const wxString choices[],
 118                        long style,
 119                        const wxValidator& validator,
 120                        const wxString& name);
 121
 122     // free all memory we have (used by Clear() and dtor)
 123     void Free();
 124
 125     DECLARE_DYNAMIC_CLASS_NO_COPY(wxChoice)
 126 };
 127
 128 #endif // _WX_CHOICE_H_