src/osx/textentry_osx.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/textentry_osx.cpp
   3 // Purpose:     wxTextEntry
   4 // Author:      Stefan Csomor
   5 // Modified by: Kevin Ollivier
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_TEXTCTRL
  15
  16 #include "wx/textctrl.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/intl.h"
  20     #include "wx/app.h"
  21     #include "wx/utils.h"
  22     #include "wx/dc.h"
  23     #include "wx/button.h"
  24     #include "wx/menu.h"
  25     #include "wx/settings.h"
  26     #include "wx/msgdlg.h"
  27     #include "wx/toplevel.h"
  28 #endif
  29
  30 #ifdef __DARWIN__
  31     #include <sys/types.h>
  32     #include <sys/stat.h>
  33 #else
  34     #include <stat.h>
  35 #endif
  36
  37 #if wxUSE_STD_IOSTREAM
  38     #if wxUSE_IOSTREAMH
  39         #include <fstream.h>
  40     #else
  41         #include <fstream>
  42     #endif
  43 #endif
  44
  45 #include "wx/filefn.h"
  46 #include "wx/sysopt.h"
  47 #include "wx/thread.h"
  48 #include "wx/textcompleter.h"
  49
  50 #include "wx/osx/private.h"
  51
  52 wxTextEntry::wxTextEntry()
  53 {
  54     m_completer = NULL;
  55     m_editable = true;
  56     m_maxLength = 0;
  57 }
  58
  59 wxTextEntry::~wxTextEntry()
  60 {
  61     delete m_completer;
  62 }
  63
  64 wxString wxTextEntry::DoGetValue() const
  65 {
  66     wxCHECK_MSG( GetTextPeer(), wxString(), "Must create the control first" );
  67
  68     return GetTextPeer()->GetStringValue() ;
  69 }
  70
  71 void wxTextEntry::GetSelection(long* from, long* to) const
  72 {
  73     wxCHECK_RET( GetTextPeer(), "Must create the control first" );
  74
  75     GetTextPeer()->GetSelection( from , to ) ;
  76 }
  77
  78 void wxTextEntry::SetMaxLength(unsigned long len)
  79 {
  80     if ( GetTextPeer()->CanClipMaxLength() )
  81         GetTextPeer()->SetMaxLength(len);
  82     m_maxLength = len ;
  83 }
  84
  85 // Clipboard operations
  86
  87 void wxTextEntry::Copy()
  88 {
  89     wxCHECK_RET( GetTextPeer(), "Must create the control first" );
  90
  91     if (CanCopy())
  92         GetTextPeer()->Copy() ;
  93 }
  94
  95 void wxTextEntry::Cut()
  96 {
  97     wxCHECK_RET( GetTextPeer(), "Must create the control first" );
  98
  99     if (CanCut())
 100         GetTextPeer()->Cut() ;
 101 }
 102
 103 void wxTextEntry::Paste()
 104 {
 105     wxCHECK_RET( GetTextPeer(), "Must create the control first" );
 106
 107     if (CanPaste())
 108         GetTextPeer()->Paste() ;
 109 }
 110
 111 bool wxTextEntry::CanCopy() const
 112 {
 113     // Can copy if there's a selection
 114     long from, to;
 115     GetSelection( &from, &to );
 116
 117     return (from != to);
 118 }
 119
 120 bool wxTextEntry::CanCut() const
 121 {
 122     if ( !IsEditable() )
 123         return false;
 124
 125     // Can cut if there's a selection
 126     long from, to;
 127     GetSelection( &from, &to );
 128
 129     return (from != to);
 130 }
 131
 132 bool wxTextEntry::CanPaste() const
 133 {
 134     if (!IsEditable())
 135         return false;
 136
 137     wxCHECK_MSG( GetTextPeer(), false, "Must create the control first" );
 138
 139     return GetTextPeer()->CanPaste() ;
 140 }
 141
 142 void wxTextEntry::SetEditable(bool editable)
 143 {
 144     if ( editable == m_editable )
 145         return;
 146
 147     m_editable = editable ;
 148
 149     wxCHECK_RET( GetTextPeer(), "Must create the control first" );
 150     GetTextPeer()->SetEditable( editable ) ;
 151 }
 152
 153 void wxTextEntry::SetInsertionPoint(long pos)
 154 {
 155     SetSelection( pos , pos ) ;
 156 }
 157
 158 void wxTextEntry::SetInsertionPointEnd()
 159 {
 160     long pos = GetLastPosition();
 161     SetInsertionPoint( pos );
 162 }
 163
 164 long wxTextEntry::GetInsertionPoint() const
 165 {
 166     long begin, end ;
 167     GetSelection( &begin , &end ) ;
 168
 169     return begin ;
 170 }
 171
 172 wxTextPos wxTextEntry::GetLastPosition() const
 173 {
 174     wxCHECK_MSG( GetTextPeer(), -1, "Must create the control first" );
 175
 176     return GetTextPeer()->GetLastPosition() ;
 177 }
 178
 179 void wxTextEntry::Remove(long from, long to)
 180 {
 181     wxCHECK_RET( GetTextPeer(), "Must create the control first" );
 182
 183     {
 184         EventsSuppressor noevents(this);
 185         GetTextPeer()->Remove( from , to );
 186     }
 187
 188     SendTextUpdatedEventIfAllowed();
 189 }
 190
 191 void wxTextEntry::SetSelection(long from, long to)
 192 {
 193     wxCHECK_RET( GetTextPeer(), "Must create the control first" );
 194
 195     GetTextPeer()->SetSelection( from , to ) ;
 196 }
 197
 198 void wxTextEntry::WriteText(const wxString& str)
 199 {
 200     wxCHECK_RET( GetTextPeer(), "Must create the control first" );
 201
 202     {
 203         EventsSuppressor noevents(this);
 204         GetTextPeer()->WriteText( str );
 205     }
 206
 207     SendTextUpdatedEventIfAllowed();
 208 }
 209
 210 void wxTextEntry::Clear()
 211 {
 212     wxCHECK_RET( GetTextPeer(), "Must create the control first" );
 213
 214     {
 215         EventsSuppressor noevents(this);
 216         GetTextPeer()->Clear();
 217     }
 218
 219     SendTextUpdatedEventIfAllowed();
 220 }
 221
 222 bool wxTextEntry::IsEditable() const
 223 {
 224     return m_editable ;
 225 }
 226
 227 bool wxTextEntry::SendMaxLenEvent()
 228 {
 229     wxWindow *win = GetEditableWindow();
 230     wxCHECK_MSG( win, false, "can't send an event without a window" );
 231
 232     wxCommandEvent event(wxEVT_TEXT_MAXLEN, win->GetId());
 233
 234     // do not do this as it could be very inefficient if the text control
 235     // contains a lot of text and we're not using ref-counted wxString
 236     // implementation -- instead, event.GetString() will query the control for
 237     // its current text if needed
 238     //event.SetString(win->GetValue());
 239
 240     event.SetEventObject(win);
 241     return win->HandleWindowEvent(event);
 242 }
 243
 244 // ----------------------------------------------------------------------------
 245 // Undo/redo
 246 // ----------------------------------------------------------------------------
 247
 248 void wxTextEntry::Undo()
 249 {
 250     wxCHECK_RET( GetTextPeer(), "Must create the control first" );
 251
 252     if (CanUndo())
 253         GetTextPeer()->Undo() ;
 254 }
 255
 256 void wxTextEntry::Redo()
 257 {
 258     wxCHECK_RET( GetTextPeer(), "Must create the control first" );
 259
 260     if (CanRedo())
 261         GetTextPeer()->Redo() ;
 262 }
 263
 264 bool wxTextEntry::CanUndo() const
 265 {
 266     if ( !IsEditable() )
 267         return false ;
 268
 269     wxCHECK_MSG( GetTextPeer(), false, "Must create the control first" );
 270
 271     return GetTextPeer()->CanUndo() ;
 272 }
 273
 274 bool wxTextEntry::CanRedo() const
 275 {
 276     if ( !IsEditable() )
 277         return false ;
 278
 279     wxCHECK_MSG( GetTextPeer(), false, "Must create the control first" );
 280
 281     return GetTextPeer()->CanRedo() ;
 282 }
 283
 284 wxTextWidgetImpl * wxTextEntry::GetTextPeer() const
 285 {
 286     wxWindow * const win = const_cast<wxTextEntry *>(this)->GetEditableWindow();
 287
 288     return win ? dynamic_cast<wxTextWidgetImpl *>(win->GetPeer()) : NULL;
 289 }
 290
 291 // ----------------------------------------------------------------------------
 292 // Auto-completion
 293 // ----------------------------------------------------------------------------
 294
 295 bool wxTextEntry::DoAutoCompleteStrings(const wxArrayString& choices)
 296 {
 297     wxTextCompleterFixed * const completer = new wxTextCompleterFixed;
 298     completer->SetCompletions(choices);
 299
 300     return DoAutoCompleteCustom(completer);
 301 }
 302
 303 bool wxTextEntry::DoAutoCompleteCustom(wxTextCompleter *completer)
 304 {
 305     m_completer = completer;
 306
 307     return true;
 308 }
 309
 310 #endif // wxUSE_TEXTCTRL