include/wx/msw/listbox.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/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 #if wxUSE_LISTBOX
  16
  17 // ----------------------------------------------------------------------------
  18 // simple types
  19 // ----------------------------------------------------------------------------
  20
  21 #if wxUSE_OWNER_DRAWN
  22   class WXDLLIMPEXP_FWD_CORE wxOwnerDrawn;
  23
  24   // define the array of list box items
  25   #include  "wx/dynarray.h"
  26
  27   WX_DEFINE_EXPORTED_ARRAY_PTR(wxOwnerDrawn *, wxListBoxItemsArray);
  28 #endif // wxUSE_OWNER_DRAWN
  29
  30 // forward decl for GetSelections()
  31 class WXDLLIMPEXP_FWD_BASE wxArrayInt;
  32
  33 // ----------------------------------------------------------------------------
  34 // List box control
  35 // ----------------------------------------------------------------------------
  36
  37 class WXDLLEXPORT wxListBox : public wxListBoxBase
  38 {
  39 public:
  40     // ctors and such
  41     wxListBox();
  42     wxListBox(wxWindow *parent, wxWindowID id,
  43             const wxPoint& pos = wxDefaultPosition,
  44             const wxSize& size = wxDefaultSize,
  45             int n = 0, const wxString choices[] = NULL,
  46             long style = 0,
  47             const wxValidator& validator = wxDefaultValidator,
  48             const wxString& name = wxListBoxNameStr)
  49     {
  50         Create(parent, id, pos, size, n, choices, style, validator, name);
  51     }
  52     wxListBox(wxWindow *parent, wxWindowID id,
  53             const wxPoint& pos,
  54             const wxSize& size,
  55             const wxArrayString& choices,
  56             long style = 0,
  57             const wxValidator& validator = wxDefaultValidator,
  58             const wxString& name = wxListBoxNameStr)
  59     {
  60         Create(parent, id, pos, size, choices, style, validator, name);
  61     }
  62
  63     bool Create(wxWindow *parent, wxWindowID id,
  64                 const wxPoint& pos = wxDefaultPosition,
  65                 const wxSize& size = wxDefaultSize,
  66                 int n = 0, const wxString choices[] = NULL,
  67                 long style = 0,
  68                 const wxValidator& validator = wxDefaultValidator,
  69                 const wxString& name = wxListBoxNameStr);
  70     bool Create(wxWindow *parent, wxWindowID id,
  71                 const wxPoint& pos,
  72                 const wxSize& size,
  73                 const wxArrayString& choices,
  74                 long style = 0,
  75                 const wxValidator& validator = wxDefaultValidator,
  76                 const wxString& name = wxListBoxNameStr);
  77
  78     virtual ~wxListBox();
  79
  80     // implement base class pure virtuals
  81     virtual void DoClear();
  82     virtual void DoDeleteOneItem(unsigned int n);
  83
  84     virtual unsigned int GetCount() const;
  85     virtual wxString GetString(unsigned int n) const;
  86     virtual void SetString(unsigned int n, const wxString& s);
  87     virtual int FindString(const wxString& s, bool bCase = false) const;
  88
  89     virtual bool IsSelected(int n) const;
  90     virtual int GetSelection() const;
  91     virtual int GetSelections(wxArrayInt& aSelections) const;
  92
  93     // wxCheckListBox support
  94 #if wxUSE_OWNER_DRAWN
  95     bool MSWOnMeasure(WXMEASUREITEMSTRUCT *item);
  96     bool MSWOnDraw(WXDRAWITEMSTRUCT *item);
  97
  98     // plug-in for derived classes
  99     virtual wxOwnerDrawn *CreateLboxItem(size_t n);
 100
 101     // allows to get the item and use SetXXX functions to set it's appearance
 102     wxOwnerDrawn *GetItem(size_t n) const { return m_aItems[n]; }
 103
 104     // get the index of the given item
 105     int GetItemIndex(wxOwnerDrawn *item) const { return m_aItems.Index(item); }
 106 #endif // wxUSE_OWNER_DRAWN
 107
 108     // Windows-specific code to update the horizontal extent of the listbox, if
 109     // necessary. If s is non-empty, the horizontal extent is increased to the
 110     // length of this string if it's currently too short, otherwise the maximum
 111     // extent of all strings is used. In any case calls InvalidateBestSize()
 112     virtual void SetHorizontalExtent(const wxString& s = wxEmptyString);
 113
 114     // Windows callbacks
 115     bool MSWCommand(WXUINT param, WXWORD id);
 116     WXDWORD MSWGetStyle(long style, WXDWORD *exstyle) const;
 117
 118     // under XP when using "transition effect for menus and tooltips" if we
 119     // return true for WM_PRINTCLIENT here then it causes noticable slowdown
 120     virtual bool MSWShouldPropagatePrintChild()
 121     {
 122         return false;
 123     }
 124
 125     virtual wxVisualAttributes GetDefaultAttributes() const
 126     {
 127         return GetClassDefaultAttributes(GetWindowVariant());
 128     }
 129
 130     static wxVisualAttributes
 131     GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL)
 132     {
 133         return GetCompositeControlsDefaultAttributes(variant);
 134     }
 135
 136 protected:
 137     virtual void DoSetSelection(int n, bool select);
 138
 139     virtual int DoInsertItems(const wxArrayStringsAdapter& items,
 140                               unsigned int pos,
 141                               void **clientData, wxClientDataType type);
 142
 143     virtual void DoSetFirstItem(int n);
 144     virtual void DoSetItemClientData(unsigned int n, void* clientData);
 145     virtual void* DoGetItemClientData(unsigned int n) const;
 146     virtual int DoListHitTest(const wxPoint& point) const;
 147
 148     // free memory (common part of Clear() and dtor)
 149     void Free();
 150
 151     unsigned int m_noItems;
 152     int m_selected;
 153
 154     virtual wxSize DoGetBestSize() const;
 155
 156 #if wxUSE_OWNER_DRAWN
 157     // control items
 158     wxListBoxItemsArray m_aItems;
 159 #endif
 160
 161 private:
 162     DECLARE_DYNAMIC_CLASS_NO_COPY(wxListBox)
 163 };
 164
 165 #endif // wxUSE_LISTBOX
 166
 167 #endif
 168     // _WX_LISTBOX_H_