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 - (void)controlTextDidEndEditing:(NSNotification *)aNotification
  86 {
  87     wxUnusedVar(aNotification);
  88     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
  89     if ( impl )
  90     {
  91         impl->DoNotifyFocusEvent( false, NULL );
  92     }
  93 }
  94
  95 @end
  96
  97 @interface wxNSTextScrollView : NSScrollView
  98 {
  99 }
 100 @end
 101
 102 @interface wxNSTextView : NSTextView
 103 {
 104     wxNSTextScrollView* scrollView;
 105 }
 106
 107 - (void)setScrollView: (wxNSTextScrollView *) sv;
 108 - (wxNSTextScrollView*) scrollView;
 109
 110 @end
 111
 112 @implementation wxNSTextScrollView
 113
 114 + (void)initialize
 115 {
 116     static BOOL initialized = NO;
 117     if (!initialized)
 118     {
 119         initialized = YES;
 120         wxOSXCocoaClassAddWXMethods( self );
 121     }
 122 }
 123
 124 - (void)textDidChange:(NSNotification *)aNotification
 125 {
 126     wxUnusedVar(aNotification);
 127     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 128     if ( impl )
 129     {
 130         wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
 131         if ( wxpeer ) {
 132             wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, wxpeer->GetId());
 133             event.SetEventObject( wxpeer );
 134             event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
 135             wxpeer->HandleWindowEvent( event );
 136         }
 137     }
 138 }
 139
 140 - (BOOL)textView:(NSTextView *)aTextView doCommandBySelector:(SEL)commandSelector
 141 {
 142     wxUnusedVar(aTextView);
 143     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 144     if ( impl  )
 145     {
 146         wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
 147         if (commandSelector == @selector(insertNewline:))
 148         {
 149             if ( wxpeer && wxpeer->GetWindowStyle() & wxTE_PROCESS_ENTER )
 150             {
 151                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, wxpeer->GetId());
 152                 event.SetEventObject( wxpeer );
 153                 event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
 154                 wxpeer->HandleWindowEvent( event );
 155             }
 156         }
 157     }
 158
 159     return NO;
 160 }
 161
 162 - (void)textDidEndEditing:(NSNotification *)aNotification
 163 {
 164     wxUnusedVar(aNotification);
 165     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 166     if ( impl )
 167     {
 168         impl->DoNotifyFocusEvent( false, NULL );
 169     }
 170 }
 171 @end
 172
 173 @implementation wxNSTextView
 174
 175 - (BOOL) becomeFirstResponder
 176 {
 177     BOOL val = [super becomeFirstResponder];
 178
 179     if ( val )
 180     {
 181         wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( scrollView );
 182         if (impl )
 183             impl->DoNotifyFocusEvent( true, NULL );
 184
 185     }
 186     return val;
 187 }
 188
 189 - (void)setScrollView: (wxNSTextScrollView *) sv
 190 {
 191     scrollView = sv;
 192 }
 193
 194 - (wxNSTextScrollView*) scrollView
 195 {
 196     return scrollView;
 197 }
 198
 199 @end
 200
 201 @implementation wxNSTextField
 202
 203 + (void)initialize
 204 {
 205     static BOOL initialized = NO;
 206     if (!initialized)
 207     {
 208         initialized = YES;
 209         wxOSXCocoaClassAddWXMethods( self );
 210     }
 211 }
 212
 213 - (void) setEnabled:(BOOL) flag
 214 {
 215     [super setEnabled: flag];
 216
 217     if (![self drawsBackground]) {
 218         // Static text is drawn incorrectly when disabled.
 219         // For an explanation, see
 220         // http://www.cocoabuilder.com/archive/message/cocoa/2006/7/21/168028
 221         if (flag) {
 222             [self setTextColor: [NSColor controlTextColor]];
 223         } else {
 224             [self setTextColor: [NSColor secondarySelectedControlColor]];
 225         }
 226     }
 227 }
 228
 229 - (void)controlTextDidChange:(NSNotification *)aNotification
 230 {
 231     wxUnusedVar(aNotification);
 232     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 233     if ( impl )
 234     {
 235         wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
 236         if ( wxpeer ) {
 237             wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, wxpeer->GetId());
 238             event.SetEventObject( wxpeer );
 239             event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
 240             wxpeer->HandleWindowEvent( event );
 241         }
 242     }
 243 }
 244
 245 typedef BOOL (*wxOSX_insertNewlineHandlerPtr)(NSView* self, SEL _cmd, NSControl *control, NSTextView* textView, SEL commandSelector);
 246
 247 - (BOOL)control:(NSControl*)control textView:(NSTextView*)textView doCommandBySelector:(SEL)commandSelector
 248 {
 249     wxUnusedVar(textView);
 250     wxUnusedVar(control);
 251     if (commandSelector == @selector(insertNewline:))
 252     {
 253         wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 254         if ( impl  )
 255         {
 256             wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
 257             if ( wxpeer && wxpeer->GetWindowStyle() & wxTE_PROCESS_ENTER )
 258             {
 259                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, wxpeer->GetId());
 260                 event.SetEventObject( wxpeer );
 261                 event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
 262                 wxpeer->HandleWindowEvent( event );
 263             }
 264         }
 265     }
 266
 267     return NO;
 268 }
 269
 270 - (void)controlTextDidEndEditing:(NSNotification *)aNotification
 271 {
 272     wxUnusedVar(aNotification);
 273     wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
 274     if ( impl )
 275     {
 276         impl->DoNotifyFocusEvent( false, NULL );
 277     }
 278 }
 279 @end
 280
 281 // wxNSTextViewControl
 282
 283 wxNSTextViewControl::wxNSTextViewControl( wxTextCtrl *wxPeer, WXWidget w ) : wxWidgetCocoaImpl(wxPeer, w)
 284 {
 285     wxNSTextScrollView* sv = (wxNSTextScrollView*) w;
 286     m_scrollView = sv;
 287
 288     [m_scrollView setHasVerticalScroller:YES];
 289     [m_scrollView setHasHorizontalScroller:NO];
 290     [m_scrollView setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
 291     NSSize contentSize = [m_scrollView contentSize];
 292
 293     wxNSTextView* tv = [[wxNSTextView alloc] initWithFrame: NSMakeRect(0, 0,
 294             contentSize.width, contentSize.height)];
 295     m_textView = tv;
 296     [tv setVerticallyResizable:YES];
 297     [tv setHorizontallyResizable:NO];
 298     [tv setAutoresizingMask:NSViewWidthSizable];
 299
 300     [m_scrollView setDocumentView: tv];
 301
 302     [tv setDelegate: w];
 303     [tv setScrollView:sv];
 304 }
 305
 306 wxNSTextViewControl::~wxNSTextViewControl()
 307 {
 308     if (m_textView)
 309         [m_textView setDelegate: nil];
 310 }
 311
 312 wxString wxNSTextViewControl::GetStringValue() const
 313 {
 314     if (m_textView)
 315     {
 316         wxCFStringRef cf( (CFStringRef) [[m_textView string] retain] );
 317         wxString result = cf.AsString(m_wxPeer->GetFont().GetEncoding());
 318         wxMacConvertNewlines13To10( &result ) ;
 319         return result;
 320     }
 321     return wxEmptyString;
 322 }
 323 void wxNSTextViewControl::SetStringValue( const wxString &str)
 324 {
 325     wxString st = str;
 326     wxMacConvertNewlines10To13( &st );
 327
 328     if (m_textView)
 329         [m_textView setString: wxCFStringRef( st , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
 330 }
 331 void wxNSTextViewControl::Copy()
 332 {
 333     if (m_textView)
 334         [m_textView copy:nil];
 335
 336 }
 337
 338 void wxNSTextViewControl::Cut()
 339 {
 340     if (m_textView)
 341         [m_textView cut:nil];
 342 }
 343
 344 void wxNSTextViewControl::Paste()
 345 {
 346     if (m_textView)
 347         [m_textView paste:nil];
 348 }
 349
 350 bool wxNSTextViewControl::CanPaste() const
 351 {
 352     return true;
 353 }
 354
 355 void wxNSTextViewControl::SetEditable(bool editable)
 356 {
 357     if (m_textView)
 358         [m_textView setEditable: editable];
 359 }
 360
 361 void wxNSTextViewControl::GetSelection( long* from, long* to) const
 362 {
 363     if (m_textView)
 364     {
 365         NSRange range = [m_textView selectedRange];
 366         *from = range.location;
 367         *to = range.location + range.length;
 368     }
 369 }
 370
 371 void wxNSTextViewControl::SetSelection( long from , long to )
 372 {
 373     long textLength = [[m_textView string] length];
 374     if ((from == -1) && (to == -1))
 375     {
 376         from = 0 ;
 377         to = textLength ;
 378     }
 379     else
 380     {
 381         from = wxMin(textLength,wxMax(from,0)) ;
 382         if ( to == -1 )
 383             to = textLength;
 384         else
 385             to = wxMax(0,wxMin(textLength,to)) ;
 386     }
 387
 388     NSRange selrange = NSMakeRange(from, to-from);
 389     [m_textView setSelectedRange:selrange];
 390     [m_textView scrollRangeToVisible:selrange];
 391 }
 392
 393 void wxNSTextViewControl::WriteText(const wxString& str)
 394 {
 395     wxString st = str;
 396     wxMacConvertNewlines10To13( &st );
 397
 398     [m_textView insertText:wxCFStringRef( st , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
 399 }
 400
 401 // wxNSTextFieldControl
 402
 403 wxNSTextFieldControl::wxNSTextFieldControl( wxTextCtrl *wxPeer, WXWidget w ) : wxWidgetCocoaImpl(wxPeer, w)
 404 {
 405     m_textField = (NSTextField*) w;
 406     [m_textField setDelegate: w];
 407     m_selStart = m_selEnd = 0;
 408 }
 409
 410 wxNSTextFieldControl::~wxNSTextFieldControl()
 411 {
 412     if (m_textField)
 413         [m_textField setDelegate: nil];
 414 }
 415
 416 wxString wxNSTextFieldControl::GetStringValue() const
 417 {
 418     wxCFStringRef cf( (CFStringRef) [[m_textField stringValue] retain] );
 419     return cf.AsString(m_wxPeer->GetFont().GetEncoding());
 420 }
 421
 422 void wxNSTextFieldControl::SetStringValue( const wxString &str)
 423 {
 424     [m_textField setStringValue: wxCFStringRef( str , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
 425 }
 426
 427 void wxNSTextFieldControl::Copy()
 428 {
 429     NSText* editor = [m_textField currentEditor];
 430     if ( editor )
 431     {
 432         [editor copy:nil];
 433     }
 434 }
 435
 436 void wxNSTextFieldControl::Cut()
 437 {
 438     NSText* editor = [m_textField currentEditor];
 439     if ( editor )
 440     {
 441         [editor cut:nil];
 442     }
 443 }
 444
 445 void wxNSTextFieldControl::Paste()
 446 {
 447     NSText* editor = [m_textField currentEditor];
 448     if ( editor )
 449     {
 450         [editor paste:nil];
 451     }
 452 }
 453
 454 bool wxNSTextFieldControl::CanPaste() const
 455 {
 456     return true;
 457 }
 458
 459 void wxNSTextFieldControl::SetEditable(bool editable)
 460 {
 461     [m_textField setEditable:editable];
 462 }
 463
 464 void wxNSTextFieldControl::GetSelection( long* from, long* to) const
 465 {
 466     NSText* editor = [m_textField currentEditor];
 467     if ( editor )
 468     {
 469         NSRange range = [editor selectedRange];
 470         *from = range.location;
 471         *to = range.location + range.length;
 472     }
 473     else
 474     {
 475         *from = m_selStart;
 476         *to = m_selEnd;
 477     }
 478 }
 479
 480 void wxNSTextFieldControl::SetSelection( long from , long to )
 481 {
 482     long textLength = [[m_textField stringValue] length];
 483     if ((from == -1) && (to == -1))
 484     {
 485         from = 0 ;
 486         to = textLength ;
 487     }
 488     else
 489     {
 490         from = wxMin(textLength,wxMax(from,0)) ;
 491         if ( to == -1 )
 492             to = textLength;
 493         else
 494             to = wxMax(0,wxMin(textLength,to)) ;
 495     }
 496
 497     NSText* editor = [m_textField currentEditor];
 498     if ( editor )
 499     {
 500         [editor setSelectedRange:NSMakeRange(from, to-from)];
 501     }
 502     else
 503     {
 504         m_selStart = from;
 505         m_selEnd = to;
 506     }
 507 }
 508
 509 void wxNSTextFieldControl::WriteText(const wxString& str)
 510 {
 511     NSText* editor = [m_textField currentEditor];
 512     if ( editor )
 513     {
 514         [editor insertText:wxCFStringRef( str , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
 515     }
 516     else
 517     {
 518         wxString val = GetStringValue() ;
 519         long start , end ;
 520         GetSelection( &start , &end ) ;
 521         val.Remove( start , end - start ) ;
 522         val.insert( start , str ) ;
 523         SetStringValue( val ) ;
 524         SetSelection( start + str.length() , start + str.length() ) ;
 525     }
 526 }
 527
 528 void wxNSTextFieldControl::controlAction(WXWidget WXUNUSED(slf),
 529     void* WXUNUSED(_cmd), void *WXUNUSED(sender))
 530 {
 531     wxWindow* wxpeer = (wxWindow*) GetWXPeer();
 532     if ( wxpeer && (wxpeer->GetWindowStyle() & wxTE_PROCESS_ENTER) )
 533     {
 534         wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, wxpeer->GetId());
 535         event.SetEventObject( wxpeer );
 536         event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
 537         wxpeer->HandleWindowEvent( event );
 538     }
 539 }
 540
 541 //
 542 //
 543 //
 544
 545 wxWidgetImplType* wxWidgetImpl::CreateTextControl( wxTextCtrl* wxpeer,
 546                                     wxWindowMac* WXUNUSED(parent),
 547                                     wxWindowID WXUNUSED(id),
 548                                     const wxString& str,
 549                                     const wxPoint& pos,
 550                                     const wxSize& size,
 551                                     long style,
 552                                     long WXUNUSED(extraStyle))
 553 {
 554     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 555     wxWidgetCocoaImpl* c = NULL;
 556
 557     if ( style & wxTE_MULTILINE || style & wxTE_RICH || style & wxTE_RICH2 )
 558     {
 559         wxNSTextScrollView* v = nil;
 560         v = [[wxNSTextScrollView alloc] initWithFrame:r];
 561         c = new wxNSTextViewControl( wxpeer, v );
 562         static_cast<wxNSTextViewControl*>(c)->SetStringValue(str);
 563     }
 564     else
 565     {
 566         NSTextField* v = nil;
 567         if ( style & wxTE_PASSWORD )
 568             v = [[wxNSSecureTextField alloc] initWithFrame:r];
 569         else
 570             v = [[wxNSTextField alloc] initWithFrame:r];
 571
 572         if ( style & wxNO_BORDER )
 573         {
 574             // FIXME: How can we remove the native control's border?
 575             // setBordered is separate from the text ctrl's border.
 576         }
 577
 578         [v setBezeled:NO];
 579         [v setBordered:NO];
 580
 581         c = new wxNSTextFieldControl( wxpeer, v );
 582         static_cast<wxNSTextFieldControl*>(c)->SetStringValue(str);
 583     }
 584
 585     return c;
 586 }
 587
 588
 589 #endif // wxUSE_TEXTCTRL