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
  67 void wxTextEntryBase::Replace(long from, long to, const wxString& value)
  68 {
  69     {
  70         EventsSuppressor noevents(this);
  71         Remove(from, to);
  72     }
  73
  74     WriteText(value);
  75 }
  76
  77 bool wxTextEntryBase::HasSelection() const
  78 {
  79     long from, to;
  80     GetSelection(&from, &to);
  81
  82     return from < to;
  83 }
  84
  85 void wxTextEntryBase::RemoveSelection()
  86 {
  87     long from, to;
  88     GetSelection(& from, & to);
  89     if (from != -1 && to != -1)
  90         Remove(from, to);
  91 }
  92
  93 wxString wxTextEntryBase::GetStringSelection() const
  94 {
  95     long from, to;
  96     GetSelection(&from, &to);
  97
  98     return GetRange(from, to);
  99 }
 100
 101 bool wxTextEntryBase::CanCopy() const
 102 {
 103     return HasSelection();
 104 }
 105
 106 bool wxTextEntryBase::CanCut() const
 107 {
 108     return CanCopy() && IsEditable();
 109 }
 110
 111 bool wxTextEntryBase::CanPaste() const
 112 {
 113     if ( IsEditable() )
 114     {
 115 #if wxUSE_CLIPBOARD
 116         // check if there is any text on the clipboard
 117         if ( wxTheClipboard->IsSupported(wxDF_TEXT)
 118 #if wxUSE_UNICODE
 119                 || wxTheClipboard->IsSupported(wxDF_UNICODETEXT)
 120 #endif // wxUSE_UNICODE
 121            )
 122         {
 123             return true;
 124         }
 125 #endif // wxUSE_CLIPBOARD
 126     }
 127
 128     return false;
 129 }
 130
 131 #endif // wxUSE_TEXTCTRL || wxUSE_COMBOBOX