src/common/textentrycmn.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/textentrycmn.cpp
   3 // Purpose:     wxTextEntryBase 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 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 // for compilers that support precompilation, includes "wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #if wxUSE_TEXTCTRL || wxUSE_COMBOBOX
  27
  28 #ifndef WX_PRECOMP
  29     #include "wx/window.h"
  30     #include "wx/dataobj.h"
  31 #endif //WX_PRECOMP
  32
  33 #include "wx/textentry.h"
  34 #include "wx/clipbrd.h"
  35
  36 // ============================================================================
  37 // wxTextEntryBase implementation
  38 // ============================================================================
  39
  40 wxString wxTextEntryBase::GetRange(long from, long to) const
  41 {
  42     wxString sel;
  43     wxString value = GetValue();
  44
  45     if ( from < to && (long)value.length() >= to )
  46     {
  47         sel = value.substr(from, to - from);
  48     }
  49
  50     return sel;
  51 }
  52
  53 void wxTextEntryBase::AppendText(const wxString& text)
  54 {
  55     SetInsertionPointEnd();
  56     WriteText(text);
  57 }
  58
  59 void wxTextEntryBase::DoSetValue(const wxString& value, int flags)
  60 {
  61     EventsSuppressor noeventsIf(this, !(flags & SetValue_SendEvent));
  62
  63     SelectAll();
  64     WriteText(value);
  65
  66     SetInsertionPoint(0);
  67 }
  68
  69 void wxTextEntryBase::Replace(long from, long to, const wxString& value)
  70 {
  71     {
  72         EventsSuppressor noevents(this);
  73         Remove(from, to);
  74     }
  75
  76     SetInsertionPoint(from);
  77     WriteText(value);
  78 }
  79
  80 bool wxTextEntryBase::HasSelection() const
  81 {
  82     long from, to;
  83     GetSelection(&from, &to);
  84
  85     return from < to;
  86 }
  87
  88 void wxTextEntryBase::RemoveSelection()
  89 {
  90     long from, to;
  91     GetSelection(& from, & to);
  92     if (from != -1 && to != -1)
  93         Remove(from, to);
  94 }
  95
  96 wxString wxTextEntryBase::GetStringSelection() const
  97 {
  98     long from, to;
  99     GetSelection(&from, &to);
 100
 101     return GetRange(from, to);
 102 }
 103
 104 bool wxTextEntryBase::CanCopy() const
 105 {
 106     return HasSelection();
 107 }
 108
 109 bool wxTextEntryBase::CanCut() const
 110 {
 111     return CanCopy() && IsEditable();
 112 }
 113
 114 bool wxTextEntryBase::CanPaste() const
 115 {
 116     if ( IsEditable() )
 117     {
 118 #if wxUSE_CLIPBOARD
 119         // check if there is any text on the clipboard
 120         if ( wxTheClipboard->IsSupported(wxDF_TEXT)
 121 #if wxUSE_UNICODE
 122                 || wxTheClipboard->IsSupported(wxDF_UNICODETEXT)
 123 #endif // wxUSE_UNICODE
 124            )
 125         {
 126             return true;
 127         }
 128 #endif // wxUSE_CLIPBOARD
 129     }
 130
 131     return false;
 132 }
 133
 134 #endif // wxUSE_TEXTCTRL || wxUSE_COMBOBOX