include/wx/valtext.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        valtext.h
   3 // Purpose:     wxTextValidator class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     29/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Julian Smart
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_VALTEXTH__
  13 #define _WX_VALTEXTH__
  14
  15 #if defined(__GNUG__) && !defined(__APPLE__)
  16 #pragma interface "valtext.h"
  17 #endif
  18
  19 #include "wx/defs.h"
  20
  21 #if wxUSE_VALIDATORS
  22
  23 #include "wx/textctrl.h"
  24 #include "wx/validate.h"
  25
  26 #define wxFILTER_NONE           0x0000
  27 #define wxFILTER_ASCII          0x0001
  28 #define wxFILTER_ALPHA          0x0002
  29 #define wxFILTER_ALPHANUMERIC   0x0004
  30 #define wxFILTER_NUMERIC        0x0008
  31 #define wxFILTER_INCLUDE_LIST   0x0010
  32 #define wxFILTER_EXCLUDE_LIST   0x0020
  33 #define wxFILTER_INCLUDE_CHAR_LIST 0x0040
  34 #define wxFILTER_EXCLUDE_CHAR_LIST 0x0080
  35
  36 class WXDLLEXPORT wxTextValidator: public wxValidator
  37 {
  38 DECLARE_DYNAMIC_CLASS(wxTextValidator)
  39 public:
  40
  41     wxTextValidator(long style = wxFILTER_NONE, wxString *val = 0);
  42     wxTextValidator(const wxTextValidator& val);
  43
  44     ~wxTextValidator();
  45
  46     // Make a clone of this validator (or return NULL) - currently necessary
  47     // if you're passing a reference to a validator.
  48     // Another possibility is to always pass a pointer to a new validator
  49     // (so the calling code can use a copy constructor of the relevant class).
  50     virtual wxObject *Clone() const { return new wxTextValidator(*this); }
  51     bool Copy(const wxTextValidator& val);
  52
  53     // Called when the value in the window must be validated.
  54     // This function can pop up an error message.
  55     virtual bool Validate(wxWindow *parent);
  56
  57     // Called to transfer data to the window
  58     virtual bool TransferToWindow();
  59
  60     // Called to transfer data to the window
  61     virtual bool TransferFromWindow();
  62
  63     // ACCESSORS
  64     inline long GetStyle() const { return m_validatorStyle; }
  65     inline void SetStyle(long style) { m_validatorStyle = style; }
  66
  67     void SetIncludeList(const wxStringList& list);
  68     inline wxStringList& GetIncludeList() { return m_includeList; }
  69
  70     void SetExcludeList(const wxStringList& list);
  71     inline wxStringList& GetExcludeList() { return m_excludeList; }
  72
  73     // Filter keystrokes
  74     void OnChar(wxKeyEvent& event);
  75
  76     bool IsInCharIncludeList(const wxString& val);
  77     bool IsNotInCharExcludeList(const wxString& val);
  78
  79 DECLARE_EVENT_TABLE()
  80
  81 protected:
  82     long            m_validatorStyle;
  83     wxString *      m_stringValue;
  84     wxStringList    m_includeList;
  85     wxStringList    m_excludeList;
  86
  87     bool CheckValidator() const
  88     {
  89         wxCHECK_MSG( m_validatorWindow, FALSE,
  90                      _T("No window associated with validator") );
  91         wxCHECK_MSG( m_validatorWindow->IsKindOf(CLASSINFO(wxTextCtrl)), FALSE,
  92                      _T("wxTextValidator is only for wxTextCtrl's") );
  93         wxCHECK_MSG( m_stringValue, FALSE,
  94                      _T("No variable storage for validator") );
  95
  96         return TRUE;
  97     }
  98
  99 private:
 100 // Cannot use
 101 //  DECLARE_NO_COPY_CLASS(wxTextValidator)
 102 // because copy constructor is explicitly declared above;
 103 // but no copy assignment operator is defined, so declare
 104 // it private to prevent the compiler from defining it:
 105     wxTextValidator& operator=(const wxTextValidator&);
 106 };
 107
 108 #endif
 109   // wxUSE_VALIDATORS
 110
 111 #endif
 112   // _WX_VALTEXTH__