src/motif/textentry.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/motif/textentry.cpp
   3 // Purpose:     implementation of wxTextEntry for wxMotif
   4 // Author:      Vadim Zeitlin
   5 // Created:     2007-11-05
   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 #ifndef WX_PRECOMP
  27     #include "wx/string.h"
  28     #include "wx/window.h"
  29 #endif //WX_PRECOMP
  30
  31 #include "wx/textentry.h"
  32
  33 #ifdef __VMS__
  34 #pragma message disable nosimpint
  35 #endif
  36 #include <Xm/Text.h>
  37 #ifdef __VMS__
  38 #pragma message enable nosimpint
  39 #endif
  40
  41 // return the text widget casted to the correct type
  42 #define GetText() ((Widget)this->GetTextWidget())
  43
  44 // ============================================================================
  45 // wxTextEntry implementation
  46 // ============================================================================
  47
  48 // ----------------------------------------------------------------------------
  49 // helpers
  50 // ----------------------------------------------------------------------------
  51
  52 long wxTextEntry::GetMotifPos(long pos) const
  53 {
  54     // in wx API position -1 means "last one" but for Motif position must be
  55     // positive, i.e. it doesn't have this convention, so translate
  56     return pos == -1 ? GetLastPosition() : pos;
  57 }
  58
  59 // ----------------------------------------------------------------------------
  60 // operations on control text
  61 // ----------------------------------------------------------------------------
  62
  63 wxString wxTextEntry::DoGetValue() const
  64 {
  65     wxString str;
  66
  67     char * const s = XmTextGetString(GetText());
  68     if ( s )
  69     {
  70         str = s;
  71         XtFree(s);
  72     }
  73
  74     return str;
  75 }
  76
  77 void wxTextEntry::WriteText(const wxString& text)
  78 {
  79     long pos = GetInsertionPoint();
  80
  81     XmTextInsert(GetText(), pos, text.char_str());
  82
  83     pos += text.length();
  84
  85     XtVaSetValues(GetText(), XmNcursorPosition, pos, NULL);
  86     SetInsertionPoint(pos);
  87     XmTextShowPosition(GetText(), pos);
  88 }
  89
  90 void wxTextEntry::Replace(long from, long to, const wxString& value)
  91 {
  92     XmTextReplace(GetText(), from, GetMotifPos(to), value.char_str());
  93 }
  94
  95 void wxTextEntry::Remove(long from, long to)
  96 {
  97     SetSelection(from, to);
  98     XmTextRemove(GetText());
  99 }
 100
 101 // ----------------------------------------------------------------------------
 102 // clipboard operations
 103 // ----------------------------------------------------------------------------
 104
 105 void wxTextEntry::Copy()
 106 {
 107     XmTextCopy(GetText(), CurrentTime);
 108 }
 109
 110 void wxTextEntry::Cut()
 111 {
 112     XmTextCut(GetText(), CurrentTime);
 113 }
 114
 115 void wxTextEntry::Paste()
 116 {
 117     XmTextPaste(GetText());
 118 }
 119
 120 // ----------------------------------------------------------------------------
 121 // undo/redo (not implemented)
 122 // ----------------------------------------------------------------------------
 123
 124 void wxTextEntry::Undo()
 125 {
 126 }
 127
 128 void wxTextEntry::Redo()
 129 {
 130 }
 131
 132 bool wxTextEntry::CanUndo() const
 133 {
 134     return false;
 135 }
 136
 137 bool wxTextEntry::CanRedo() const
 138 {
 139     return false;
 140 }
 141
 142 // ----------------------------------------------------------------------------
 143 // insertion point
 144 // ----------------------------------------------------------------------------
 145
 146 void wxTextEntry::SetInsertionPoint(long pos)
 147 {
 148     XmTextSetInsertionPosition(GetText(), GetMotifPos(pos));
 149 }
 150
 151 long wxTextEntry::GetInsertionPoint() const
 152 {
 153     return XmTextGetInsertionPosition(GetText());
 154 }
 155
 156 wxTextPos wxTextEntry::GetLastPosition() const
 157 {
 158     return XmTextGetLastPosition(GetText());
 159 }
 160
 161 // ----------------------------------------------------------------------------
 162 // selection
 163 // ----------------------------------------------------------------------------
 164
 165 void wxTextEntry::GetSelection(long* from, long* to) const
 166 {
 167     XmTextPosition left, right;
 168     if ( !XmTextGetSelectionPosition(GetText(), &left, &right) )
 169     {
 170         // no selection, for compatibility with wxMSW return empty range at
 171         // cursor position
 172         left =
 173         right = GetInsertionPoint();
 174     }
 175
 176     if ( from )
 177         *from = left;
 178     if ( to )
 179         *to = right;
 180 }
 181
 182 void wxTextEntry::SetSelection(long from, long to)
 183 {
 184     XmTextSetSelection(GetText(), from, GetMotifPos(to), CurrentTime);
 185 }
 186
 187
 188 // ----------------------------------------------------------------------------
 189 // editable state
 190 // ----------------------------------------------------------------------------
 191
 192 bool wxTextEntry::IsEditable() const
 193 {
 194     return XmTextGetEditable(GetText()) != 0;
 195 }
 196
 197 void wxTextEntry::SetEditable(bool editable)
 198 {
 199     XmTextSetEditable(GetText(), (Boolean) editable);
 200 }
 201