src/osx/cocoa/textctrl.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/cocoa/textctrl.mm
   3 // Purpose:     wxTextCtrl
   4 // Author:      Stefan Csomor
   5 // Modified by: Ryan Norton (MLTE GetLineLength and GetLineText)
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id: textctrl.cpp 54820 2008-07-29 20:04:11Z SC $
   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
  49 #include "wx/osx/private.h"
  50 #include "wx/osx/cocoa/private/textimpl.h"
  51
  52 @interface wxNSSecureTextField : NSSecureTextField
  53 {
  54 }
  55 @end
  56
  57 @implementation wxNSSecureTextField
  58
  59 + (void)initialize
  60 {
  61     static BOOL initialized = NO;
  62     if (!initialized)
  63     {
  64         initialized = YES;
  65         wxOSXCocoaClassAddWXMethods( self );
  66     }
  67 }
  68
  69 - (void)controlTextDidChange:(NSNotification *)aNotification
  70 {
  71     wxUnusedVar(aNotification);
  72     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
  73     if ( impl )
  74     {
  75         wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
  76         if ( wxpeer ) {
  77             wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, wxpeer->GetId());
  78             event.SetEventObject( wxpeer );
  79             event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
  80             wxpeer->HandleWindowEvent( event );
  81         }
  82     }
  83 }
  84
  85 @end
  86
  87 @interface wxNSTextView : NSScrollView
  88 {
  89 }
  90
  91 @end
  92
  93 @implementation wxNSTextView
  94
  95 + (void)initialize
  96 {
  97     static BOOL initialized = NO;
  98     if (!initialized)
  99     {
 100         initialized = YES;
 101         wxOSXCocoaClassAddWXMethods( self );
 102     }
 103 }
 104
 105 - (void)textDidChange:(NSNotification *)aNotification
 106 {
 107     wxUnusedVar(aNotification);
 108     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 109     if ( impl )
 110     {
 111         wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
 112         if ( wxpeer ) {
 113             wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, wxpeer->GetId());
 114             event.SetEventObject( wxpeer );
 115             event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
 116             wxpeer->HandleWindowEvent( event );
 117         }
 118     }
 119 }
 120
 121 - (BOOL)textView:(NSTextView *)aTextView doCommandBySelector:(SEL)commandSelector
 122 {
 123     wxUnusedVar(aTextView);
 124     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 125     if ( impl  )
 126     {
 127         wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
 128         if (commandSelector == @selector(insertNewline:))
 129         {
 130             if ( wxpeer && wxpeer->GetWindowStyle() & wxTE_PROCESS_ENTER )
 131             {
 132                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, wxpeer->GetId());
 133                 event.SetEventObject( wxpeer );
 134                 event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
 135                 wxpeer->HandleWindowEvent( event );
 136             }
 137         }
 138     }
 139
 140     return NO;
 141 }
 142 @end
 143
 144 @implementation wxNSTextField
 145
 146 + (void)initialize
 147 {
 148     static BOOL initialized = NO;
 149     if (!initialized)
 150     {
 151         initialized = YES;
 152         wxOSXCocoaClassAddWXMethods( self );
 153     }
 154 }
 155
 156 - (void) setEnabled:(BOOL) flag
 157 {
 158     [super setEnabled: flag];
 159
 160     if (![self drawsBackground]) {
 161         // Static text is drawn incorrectly when disabled.
 162         // For an explanation, see
 163         // http://www.cocoabuilder.com/archive/message/cocoa/2006/7/21/168028
 164         if (flag) {
 165             [self setTextColor: [NSColor controlTextColor]];
 166         } else {
 167             [self setTextColor: [NSColor secondarySelectedControlColor]];
 168         }
 169     }
 170 }
 171
 172 - (void)controlTextDidChange:(NSNotification *)aNotification
 173 {
 174     wxUnusedVar(aNotification);
 175     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 176     if ( impl )
 177     {
 178         wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
 179         if ( wxpeer ) {
 180             wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, wxpeer->GetId());
 181             event.SetEventObject( wxpeer );
 182             event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
 183             wxpeer->HandleWindowEvent( event );
 184         }
 185     }
 186 }
 187
 188 typedef BOOL (*wxOSX_insertNewlineHandlerPtr)(NSView* self, SEL _cmd, NSControl *control, NSTextView* textView, SEL commandSelector);
 189
 190 - (BOOL)control:(NSControl*)control textView:(NSTextView*)textView doCommandBySelector:(SEL)commandSelector
 191 {
 192     wxUnusedVar(textView);
 193     wxUnusedVar(control);
 194     if (commandSelector == @selector(insertNewline:))
 195     {
 196         wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 197         if ( impl  )
 198         {
 199             wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
 200             if ( wxpeer && wxpeer->GetWindowStyle() & wxTE_PROCESS_ENTER )
 201             {
 202                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, wxpeer->GetId());
 203                 event.SetEventObject( wxpeer );
 204                 event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
 205                 wxpeer->HandleWindowEvent( event );
 206             }
 207         }
 208     }
 209
 210     return NO;
 211 }
 212 /*
 213 - (void)controlTextDidEndEditing:(NSNotification *)aNotification
 214 {
 215     if ( impl )
 216     {
 217         wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
 218         if ( wxpeer ) {
 219             wxFocusEvent event(wxEVT_KILL_FOCUS, wxpeer->GetId());
 220             event.SetEventObject( wxpeer );
 221             event.SetWindow( wxpeer );
 222             wxpeer->HandleWindowEvent( event );
 223         }
 224     }
 225 }
 226 */
 227 @end
 228
 229 // wxNSTextViewControl
 230
 231 wxNSTextViewControl::wxNSTextViewControl( wxTextCtrl *wxPeer, WXWidget w ) : wxWidgetCocoaImpl(wxPeer, w)
 232 {
 233     m_scrollView = (NSScrollView*) w;
 234
 235     [m_scrollView setHasVerticalScroller:YES];
 236     [m_scrollView setHasHorizontalScroller:NO];
 237     [m_scrollView setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
 238     NSSize contentSize = [m_scrollView contentSize];
 239
 240     m_textView = [[NSTextView alloc] initWithFrame: NSMakeRect(0, 0,
 241             contentSize.width, contentSize.height)];
 242     [m_textView setVerticallyResizable:YES];
 243     [m_textView setHorizontallyResizable:NO];
 244     [m_textView setAutoresizingMask:NSViewWidthSizable];
 245
 246     [m_scrollView setDocumentView: m_textView];
 247
 248     [m_textView setDelegate: w];
 249 }
 250
 251 wxNSTextViewControl::~wxNSTextViewControl()
 252 {
 253     if (m_textView)
 254         [m_textView setDelegate: nil];
 255 }
 256
 257 wxString wxNSTextViewControl::GetStringValue() const
 258 {
 259     if (m_textView)
 260     {
 261         wxCFStringRef cf( (CFStringRef) [[m_textView string] retain] );
 262         return cf.AsString(m_wxPeer->GetFont().GetEncoding());
 263     }
 264     return wxEmptyString;
 265 }
 266 void wxNSTextViewControl::SetStringValue( const wxString &str)
 267 {
 268     if (m_textView)
 269         [m_textView setString: wxCFStringRef( str , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
 270 }
 271 void wxNSTextViewControl::Copy()
 272 {
 273     if (m_textView)
 274         [m_textView copy:nil];
 275
 276 }
 277
 278 void wxNSTextViewControl::Cut()
 279 {
 280     if (m_textView)
 281         [m_textView cut:nil];
 282 }
 283
 284 void wxNSTextViewControl::Paste()
 285 {
 286     if (m_textView)
 287         [m_textView paste:nil];
 288 }
 289
 290 bool wxNSTextViewControl::CanPaste() const
 291 {
 292     return true;
 293 }
 294
 295 void wxNSTextViewControl::SetEditable(bool editable)
 296 {
 297     if (m_textView)
 298         [m_textView setEditable: editable];
 299 }
 300
 301 void wxNSTextViewControl::GetSelection( long* from, long* to) const
 302 {
 303     if (m_textView)
 304     {
 305         NSRange range = [m_textView selectedRange];
 306         *from = range.location;
 307         *to = range.location + range.length;
 308     }
 309 }
 310
 311 void wxNSTextViewControl::SetSelection( long from , long to )
 312 {
 313     NSRange selrange = NSMakeRange(from, to-from);
 314     [m_textView setSelectedRange:selrange];
 315     [m_textView scrollRangeToVisible:selrange];
 316 }
 317
 318 void wxNSTextViewControl::WriteText(const wxString& str)
 319 {
 320     // temp hack to get logging working early
 321     wxString former = GetStringValue();
 322     SetStringValue( former + str );
 323     SetSelection(GetStringValue().length(), GetStringValue().length());
 324 }
 325
 326 // wxNSTextFieldControl
 327
 328 wxNSTextFieldControl::wxNSTextFieldControl( wxTextCtrl *wxPeer, WXWidget w ) : wxWidgetCocoaImpl(wxPeer, w)
 329 {
 330     m_textField = (NSTextField*) w;
 331     [m_textField setDelegate: w];
 332 }
 333
 334 wxNSTextFieldControl::~wxNSTextFieldControl()
 335 {
 336     if (m_textField)
 337         [m_textField setDelegate: nil];
 338 }
 339
 340 wxString wxNSTextFieldControl::GetStringValue() const
 341 {
 342     wxCFStringRef cf( (CFStringRef) [[m_textField stringValue] retain] );
 343     return cf.AsString(m_wxPeer->GetFont().GetEncoding());
 344 }
 345 void wxNSTextFieldControl::SetStringValue( const wxString &str)
 346 {
 347     [m_textField setStringValue: wxCFStringRef( str , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
 348 }
 349 void wxNSTextFieldControl::Copy()
 350 {
 351     NSText* editor = [m_textField currentEditor];
 352     if ( editor )
 353     {
 354         [editor copy:nil];
 355     }
 356 }
 357
 358 void wxNSTextFieldControl::Cut()
 359 {
 360     NSText* editor = [m_textField currentEditor];
 361     if ( editor )
 362     {
 363         [editor cut:nil];
 364     }
 365 }
 366
 367 void wxNSTextFieldControl::Paste()
 368 {
 369     NSText* editor = [m_textField currentEditor];
 370     if ( editor )
 371     {
 372         [editor paste:nil];
 373     }
 374 }
 375
 376 bool wxNSTextFieldControl::CanPaste() const
 377 {
 378     return true;
 379 }
 380
 381 void wxNSTextFieldControl::SetEditable(bool editable)
 382 {
 383     [m_textField setEditable:editable];
 384 }
 385
 386 void wxNSTextFieldControl::GetSelection( long* from, long* to) const
 387 {
 388     NSText* editor = [m_textField currentEditor];
 389     if ( editor )
 390     {
 391         NSRange range = [editor selectedRange];
 392         *from = range.location;
 393         *to = range.location + range.length;
 394     }
 395 }
 396
 397 void wxNSTextFieldControl::SetSelection( long from , long to )
 398 {
 399     NSText* editor = [m_textField currentEditor];
 400     if ( editor )
 401     {
 402         [editor setSelectedRange:NSMakeRange(from, to-from)];
 403     }
 404 }
 405
 406 void wxNSTextFieldControl::WriteText(const wxString& str)
 407 {
 408     // temp hack to get logging working early
 409     wxString former = GetStringValue();
 410     SetStringValue( former + str );
 411     SetSelection(GetStringValue().length(), GetStringValue().length());
 412 }
 413
 414 void wxNSTextFieldControl::controlAction(WXWidget WXUNUSED(slf),
 415     void* WXUNUSED(_cmd), void *WXUNUSED(sender))
 416 {
 417     wxWindow* wxpeer = (wxWindow*) GetWXPeer();
 418     if ( wxpeer && (wxpeer->GetWindowStyle() & wxTE_PROCESS_ENTER) )
 419     {
 420         wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, wxpeer->GetId());
 421         event.SetEventObject( wxpeer );
 422         event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
 423         wxpeer->HandleWindowEvent( event );
 424     }
 425 }
 426
 427 //
 428 //
 429 //
 430
 431 wxWidgetImplType* wxWidgetImpl::CreateTextControl( wxTextCtrl* wxpeer,
 432                                     wxWindowMac* WXUNUSED(parent),
 433                                     wxWindowID WXUNUSED(id),
 434                                     const wxString& str,
 435                                     const wxPoint& pos,
 436                                     const wxSize& size,
 437                                     long style,
 438                                     long WXUNUSED(extraStyle))
 439 {
 440     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 441     wxWidgetCocoaImpl* c = NULL;
 442
 443     if ( style & wxTE_MULTILINE || style & wxTE_RICH || style & wxTE_RICH2 )
 444     {
 445         wxNSTextView* v = nil;
 446         v = [[wxNSTextView alloc] initWithFrame:r];
 447         c = new wxNSTextViewControl( wxpeer, v );
 448         static_cast<wxNSTextViewControl*>(c)->SetStringValue(str);
 449     }
 450     else
 451     {
 452         NSTextField* v = nil;
 453         if ( style & wxTE_PASSWORD )
 454             v = [[wxNSSecureTextField alloc] initWithFrame:r];
 455         else
 456             v = [[wxNSTextField alloc] initWithFrame:r];
 457
 458         if ( style & wxNO_BORDER )
 459         {
 460             // FIXME: How can we remove the native control's border?
 461             // setBordered is separate from the text ctrl's border.
 462         }
 463
 464         [v setBezeled:NO];
 465         [v setBordered:NO];
 466
 467         c = new wxNSTextFieldControl( wxpeer, v );
 468         static_cast<wxNSTextFieldControl*>(c)->SetStringValue(str);
 469     }
 470
 471     return c;
 472 }
 473
 474
 475 #endif // wxUSE_TEXTCTRL