include/wx/msw/textentry.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/textentry.h
   3 // Purpose:     wxMSW-specific wxTextEntry implementation
   4 // Author:      Vadim Zeitlin
   5 // Created:     2007-09-26
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2007 Vadim Zeitlin <vadim@wxwindows.org>
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_MSW_TEXTENTRY_H_
  12 #define _WX_MSW_TEXTENTRY_H_
  13
  14 class wxTextAutoCompleteData; // private class used only by wxTextEntry itself
  15
  16 // ----------------------------------------------------------------------------
  17 // wxTextEntry: common part of wxComboBox and (single line) wxTextCtrl
  18 // ----------------------------------------------------------------------------
  19
  20 class WXDLLIMPEXP_CORE wxTextEntry : public wxTextEntryBase
  21 {
  22 public:
  23     wxTextEntry();
  24     virtual ~wxTextEntry();
  25
  26     // implement wxTextEntryBase pure virtual methods
  27     virtual void WriteText(const wxString& text);
  28     virtual void Remove(long from, long to);
  29
  30     virtual void Copy();
  31     virtual void Cut();
  32     virtual void Paste();
  33
  34     virtual void Undo();
  35     virtual void Redo();
  36     virtual bool CanUndo() const;
  37     virtual bool CanRedo() const;
  38
  39     virtual void SetInsertionPoint(long pos);
  40     virtual long GetInsertionPoint() const;
  41     virtual long GetLastPosition() const;
  42
  43     virtual void SetSelection(long from, long to)
  44         { DoSetSelection(from, to); }
  45     virtual void GetSelection(long *from, long *to) const;
  46
  47     virtual bool IsEditable() const;
  48     virtual void SetEditable(bool editable);
  49
  50     virtual void SetMaxLength(unsigned long len);
  51
  52 #if wxUSE_UXTHEME
  53     virtual bool SetHint(const wxString& hint);
  54     virtual wxString GetHint() const;
  55 #endif // wxUSE_UXTHEME
  56
  57 protected:
  58     virtual wxString DoGetValue() const;
  59
  60     // this is really a hook for multiline text controls as the single line
  61     // ones don't need to ever scroll to show the selection but having it here
  62     // allows us to put Remove() in the base class
  63     enum
  64     {
  65         SetSel_NoScroll = 0,    // don't do anything special
  66         SetSel_Scroll = 1       // default: scroll to make the selection visible
  67     };
  68     virtual void DoSetSelection(long from, long to, int flags = SetSel_Scroll);
  69
  70     // margins functions
  71     virtual bool DoSetMargins(const wxPoint& pt);
  72     virtual wxPoint DoGetMargins() const;
  73
  74     // auto-completion uses COM under Windows so they won't work without
  75     // wxUSE_OLE as OleInitialize() is not called then
  76 #if wxUSE_OLE
  77     virtual bool DoAutoCompleteStrings(const wxArrayString& choices);
  78 #if wxUSE_DYNLIB_CLASS
  79     virtual bool DoAutoCompleteFileNames(int flags);
  80 #endif // wxUSE_DYNLIB_CLASS
  81     virtual bool DoAutoCompleteCustom(wxTextCompleter *completer);
  82 #endif // wxUSE_OLE
  83
  84 private:
  85     // implement this to return the HWND of the EDIT control
  86     virtual WXHWND GetEditHWND() const = 0;
  87
  88 #if wxUSE_OLE
  89     // Get the auto-complete object creating it if necessary. Returns NULL if
  90     // creating it failed.
  91     wxTextAutoCompleteData *GetOrCreateCompleter();
  92
  93     // Various auto-completion-related stuff, only used if any of AutoComplete()
  94     // methods are called. Use the function above to access it.
  95     wxTextAutoCompleteData *m_autoCompleteData;
  96
  97     // It needs to call our GetEditableWindow() and GetEditHWND() methods.
  98     friend class wxTextAutoCompleteData;
  99 #endif // wxUSE_OLE
 100 };
 101
 102 #endif // _WX_MSW_TEXTENTRY_H_
 103