include/wx/msw/listbox.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        listbox.h
   3 // Purpose:     wxListBox 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_LISTBOX_H_
  13 #define _WX_LISTBOX_H_
  14
  15 #ifdef __GNUG__
  16 #pragma interface "listbox.h"
  17 #endif
  18
  19 #include "wx/control.h"
  20
  21 WXDLLEXPORT_DATA(extern const char*) wxListBoxNameStr;
  22
  23 #if USE_OWNER_DRAWN
  24   class WXDLLEXPORT wxOwnerDrawn;
  25
  26   // define the array of list box items
  27   #include  <wx/dynarray.h>
  28   WX_DEFINE_ARRAY(wxOwnerDrawn *, wxListBoxItemsArray);
  29 #endif
  30
  31 // forward decl for GetSelections()
  32 class wxArrayInt;
  33
  34 WXDLLEXPORT_DATA(extern const char*) wxEmptyString;
  35
  36 // List box item
  37 class WXDLLEXPORT wxListBox: public wxControl
  38 {
  39   DECLARE_DYNAMIC_CLASS(wxListBox)
  40  public:
  41
  42   wxListBox(void);
  43   inline wxListBox(wxWindow *parent, wxWindowID id,
  44            const wxPoint& pos = wxDefaultPosition,
  45            const wxSize& size = wxDefaultSize,
  46            int n = 0, const wxString choices[] = NULL,
  47            long style = 0,
  48            const wxValidator& validator = wxDefaultValidator,
  49            const wxString& name = wxListBoxNameStr)
  50   {
  51     Create(parent, id, pos, size, n, choices, style, validator, name);
  52   }
  53
  54   bool Create(wxWindow *parent, 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 = wxListBoxNameStr);
  61
  62   ~wxListBox();
  63
  64   bool MSWCommand(WXUINT param, WXWORD id);
  65
  66 #if USE_OWNER_DRAWN
  67   bool MSWOnMeasure(WXMEASUREITEMSTRUCT *item);
  68   bool MSWOnDraw(WXDRAWITEMSTRUCT *item);
  69
  70   // plug-in for derived classes
  71   virtual wxOwnerDrawn *CreateItem(size_t n);
  72
  73   // allows to get the item and use SetXXX functions to set it's appearance
  74   wxOwnerDrawn *GetItem(size_t n) const { return m_aItems[n]; }
  75 #endif
  76
  77   virtual void Append(const wxString& item);
  78   virtual void Append(const wxString& item, char *clientData);
  79   virtual void Set(int n, const wxString* choices, char **clientData = NULL);
  80   virtual int FindString(const wxString& s) const ;
  81   virtual void Clear(void);
  82   virtual void SetSelection(int n, bool select = TRUE);
  83
  84   virtual void Deselect(int n);
  85
  86   // For single choice list item only
  87   virtual int GetSelection() const ;
  88   virtual void Delete(int n);
  89   virtual char *GetClientData(int n) const ;
  90   virtual void SetClientData(int n, char *clientData);
  91   virtual void SetString(int n, const wxString& s);
  92
  93   // For single or multiple choice list item
  94   virtual int GetSelections(wxArrayInt& aSelections) const;
  95   virtual bool Selected(int n) const ;
  96   virtual wxString GetString(int n) const ;
  97   virtual void SetSize(int x, int y, int width, int height, int sizeFlags = wxSIZE_AUTO);
  98
  99   // Set the specified item at the first visible item
 100   // or scroll to max range.
 101   virtual void SetFirstItem(int n) ;
 102   virtual void SetFirstItem(const wxString& s) ;
 103
 104   virtual void InsertItems(int nItems, const wxString items[], int pos);
 105
 106   virtual wxString GetStringSelection(void) const ;
 107   virtual bool SetStringSelection(const wxString& s, bool flag = TRUE);
 108   virtual int Number(void) const ;
 109
 110   void Command(wxCommandEvent& event);
 111
 112   // Windows-specific code to set the horizontal extent of
 113   // the listbox, if necessary. If s is non-NULL, it's
 114   // used to calculate the horizontal extent.
 115   // Otherwise, all strings are used.
 116   virtual void SetHorizontalExtent(const wxString& s = wxEmptyString);
 117
 118   virtual WXHBRUSH OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 119                         WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 120
 121   virtual long MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
 122   virtual void SetupColours(void);
 123
 124  protected:
 125   int m_noItems;
 126   int m_selected;
 127
 128 #if USE_OWNER_DRAWN
 129   // control items
 130   wxListBoxItemsArray m_aItems;
 131 #endif
 132
 133 };
 134
 135 #endif
 136     // _WX_LISTBOX_H_