include/wx/msw/combobox.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/combobox.h
   3 // Purpose:     wxComboBox 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_COMBOBOX_H_
  13 #define _WX_COMBOBOX_H_
  14
  15 #include "wx/choice.h"
  16 #include "wx/textentry.h"
  17
  18 #if wxUSE_COMBOBOX
  19
  20 // ----------------------------------------------------------------------------
  21 // Combobox control
  22 // ----------------------------------------------------------------------------
  23
  24 class WXDLLEXPORT wxComboBox : public wxChoice,
  25                                public wxTextEntry
  26 {
  27 public:
  28     wxComboBox() { }
  29
  30     wxComboBox(wxWindow *parent, wxWindowID id,
  31             const wxString& value = wxEmptyString,
  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 = wxComboBoxNameStr)
  38     {
  39         Create(parent, id, value, pos, size, n, choices, style, validator, name);
  40     }
  41     wxComboBox(wxWindow *parent, wxWindowID id,
  42             const wxString& value,
  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 = wxComboBoxNameStr)
  49     {
  50         Create(parent, id, value, pos, size, choices, style, validator, name);
  51     }
  52
  53     bool Create(wxWindow *parent,
  54                 wxWindowID id,
  55                 const wxString& value = wxEmptyString,
  56                 const wxPoint& pos = wxDefaultPosition,
  57                 const wxSize& size = wxDefaultSize,
  58                 int n = 0,
  59                 const wxString choices[] = NULL,
  60                 long style = 0,
  61                 const wxValidator& validator = wxDefaultValidator,
  62                 const wxString& name = wxComboBoxNameStr);
  63     bool Create(wxWindow *parent,
  64                 wxWindowID id,
  65                 const wxString& value,
  66                 const wxPoint& pos,
  67                 const wxSize& size,
  68                 const wxArrayString& choices,
  69                 long style = 0,
  70                 const wxValidator& validator = wxDefaultValidator,
  71                 const wxString& name = wxComboBoxNameStr);
  72
  73     // resolve ambiguities among virtual functions inherited from both base
  74     // classes
  75     virtual void Clear();
  76     virtual wxString GetValue() const;
  77     virtual void SetValue(const wxString& value);
  78     virtual wxString GetStringSelection() const
  79         { return wxChoice::GetStringSelection(); }
  80
  81     virtual void SetSelection(int n) { wxChoice::SetSelection(n); }
  82     virtual void SetSelection(long from, long to)
  83         { wxTextEntry::SetSelection(from, to); }
  84     virtual int GetSelection() const { return wxChoice::GetSelection(); }
  85     virtual void GetSelection(long *from, long *to) const;
  86
  87     virtual bool IsEditable() const;
  88
  89     // implementation only from now on
  90     virtual bool MSWCommand(WXUINT param, WXWORD id);
  91     bool MSWProcessEditMsg(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam);
  92     virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
  93     bool MSWShouldPreProcessMessage(WXMSG *pMsg);
  94
  95     // Standard event handling
  96     void OnCut(wxCommandEvent& event);
  97     void OnCopy(wxCommandEvent& event);
  98     void OnPaste(wxCommandEvent& event);
  99     void OnUndo(wxCommandEvent& event);
 100     void OnRedo(wxCommandEvent& event);
 101     void OnDelete(wxCommandEvent& event);
 102     void OnSelectAll(wxCommandEvent& event);
 103
 104     void OnUpdateCut(wxUpdateUIEvent& event);
 105     void OnUpdateCopy(wxUpdateUIEvent& event);
 106     void OnUpdatePaste(wxUpdateUIEvent& event);
 107     void OnUpdateUndo(wxUpdateUIEvent& event);
 108     void OnUpdateRedo(wxUpdateUIEvent& event);
 109     void OnUpdateDelete(wxUpdateUIEvent& event);
 110     void OnUpdateSelectAll(wxUpdateUIEvent& event);
 111
 112     virtual WXDWORD MSWGetStyle(long style, WXDWORD *exstyle) const;
 113
 114 protected:
 115 #if wxUSE_TOOLTIPS
 116     virtual void DoSetToolTip(wxToolTip *tip);
 117 #endif
 118
 119     // this is the implementation of GetEditHWND() which can also be used when
 120     // we don't have the edit control, it simply returns NULL then
 121     //
 122     // try not to use this function unless absolutely necessary (as in the
 123     // message handling code where the edit control might not be created yet
 124     // for the messages we receive during the control creation) as normally
 125     // just testing for IsEditable() and using GetEditHWND() should be enough
 126     WXHWND GetEditHWNDIfAvailable() const;
 127
 128 private:
 129     // this is the overridden wxTextEntry method which should only be called
 130     // when we do have an edit control so it asserts if this is not the case
 131     virtual WXHWND GetEditHWND() const;
 132
 133     DECLARE_DYNAMIC_CLASS_NO_COPY(wxComboBox)
 134     DECLARE_EVENT_TABLE()
 135 };
 136
 137 #endif // wxUSE_COMBOBOX
 138
 139 #endif // _WX_COMBOBOX_H_