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     wxWidgetCocoaImpl* impl;
  55 }
  56
  57 - (void) setImplementation:(wxWidgetCocoaImpl*) item;
  58 - (wxWidgetCocoaImpl*) implementation;
  59 @end
  60
  61 @implementation wxNSSecureTextField
  62
  63 + (void)initialize
  64 {
  65     static BOOL initialized = NO;
  66     if (!initialized)
  67     {
  68         initialized = YES;
  69         wxOSXCocoaClassAddWXMethods( self );
  70     }
  71 }
  72
  73 - (wxWidgetCocoaImpl*) implementation
  74 {
  75     return impl;
  76 }
  77
  78 - (void) setImplementation:(wxWidgetCocoaImpl*) item
  79 {
  80     impl = item;
  81 }
  82
  83 - (void)controlTextDidChange:(NSNotification *)aNotification
  84 {
  85     if ( impl )
  86     {
  87         wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
  88         if ( wxpeer ) {
  89             wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, wxpeer->GetId());
  90             event.SetEventObject( wxpeer );
  91             event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
  92             wxpeer->HandleWindowEvent( event );
  93         }
  94     }
  95 }
  96
  97 @end
  98
  99 @interface wxNSTextView : NSScrollView
 100 {
 101     wxWidgetCocoaImpl* impl;
 102 }
 103
 104 - (void) setImplementation:(wxWidgetCocoaImpl*) item;
 105 - (wxWidgetCocoaImpl*) implementation;
 106 @end
 107
 108 @implementation wxNSTextView
 109
 110 + (void)initialize
 111 {
 112     static BOOL initialized = NO;
 113     if (!initialized)
 114     {
 115         initialized = YES;
 116         wxOSXCocoaClassAddWXMethods( self );
 117     }
 118 }
 119
 120 - (wxWidgetCocoaImpl*) implementation
 121 {
 122     return impl;
 123 }
 124
 125 - (void) setImplementation:(wxWidgetCocoaImpl*) item
 126 {
 127     impl = item;
 128 }
 129
 130
 131 - (void)textDidChange:(NSNotification *)aNotification
 132 {
 133     if ( impl )
 134     {
 135         wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
 136         if ( wxpeer ) {
 137             wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, wxpeer->GetId());
 138             event.SetEventObject( wxpeer );
 139             event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
 140             wxpeer->HandleWindowEvent( event );
 141         }
 142     }
 143 }
 144
 145 - (BOOL)textView:(NSTextView *)aTextView doCommandBySelector:(SEL)commandSelector
 146 {
 147     if ( impl  )
 148     {
 149         wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
 150         if (commandSelector == @selector(insertNewline:))
 151         {
 152             if ( wxpeer && wxpeer->GetWindowStyle() & wxTE_PROCESS_ENTER )
 153             {
 154                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, wxpeer->GetId());
 155                 event.SetEventObject( wxpeer );
 156                 event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
 157                 wxpeer->HandleWindowEvent( event );
 158             }
 159         }
 160     }
 161
 162     return NO;
 163 }
 164 @end
 165
 166 @implementation wxNSTextField
 167
 168 + (void)initialize
 169 {
 170     static BOOL initialized = NO;
 171     if (!initialized)
 172     {
 173         initialized = YES;
 174         wxOSXCocoaClassAddWXMethods( self );
 175     }
 176 }
 177
 178 - (wxWidgetCocoaImpl*) implementation
 179 {
 180     return impl;
 181 }
 182
 183 - (void) setImplementation:(wxWidgetCocoaImpl*) item
 184 {
 185     impl = item;
 186 }
 187
 188 - (void) setEnabled:(BOOL) flag
 189 {
 190     [super setEnabled: flag];
 191
 192     if (![self drawsBackground]) {
 193         // Static text is drawn incorrectly when disabled.
 194         // For an explanation, see
 195         // http://www.cocoabuilder.com/archive/message/cocoa/2006/7/21/168028
 196         if (flag) {
 197             [self setTextColor: [NSColor controlTextColor]];
 198         } else {
 199             [self setTextColor: [NSColor secondarySelectedControlColor]];
 200         }
 201     }
 202 }
 203
 204 - (void)controlTextDidChange:(NSNotification *)aNotification
 205 {
 206     if ( impl )
 207     {
 208         wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
 209         if ( wxpeer ) {
 210             wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, wxpeer->GetId());
 211             event.SetEventObject( wxpeer );
 212             event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
 213             wxpeer->HandleWindowEvent( event );
 214         }
 215     }
 216 }
 217
 218 typedef BOOL (*wxOSX_insertNewlineHandlerPtr)(NSView* self, SEL _cmd, NSControl *control, NSTextView* textView, SEL commandSelector);
 219
 220 - (BOOL)control:(NSControl*)control textView:(NSTextView*)textView doCommandBySelector:(SEL)commandSelector
 221 {
 222     if (commandSelector == @selector(insertNewline:))
 223     {
 224         if ( impl  )
 225         {
 226             wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
 227             if ( wxpeer && wxpeer->GetWindowStyle() & wxTE_PROCESS_ENTER )
 228             {
 229                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, wxpeer->GetId());
 230                 event.SetEventObject( wxpeer );
 231                 event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
 232                 wxpeer->HandleWindowEvent( event );
 233             }
 234         }
 235     }
 236
 237     return NO;
 238 }
 239 /*
 240 - (void)controlTextDidEndEditing:(NSNotification *)aNotification
 241 {
 242     if ( impl )
 243     {
 244         wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
 245         if ( wxpeer ) {
 246             wxFocusEvent event(wxEVT_KILL_FOCUS, wxpeer->GetId());
 247             event.SetEventObject( wxpeer );
 248             event.SetWindow( wxpeer );
 249             wxpeer->HandleWindowEvent( event );
 250         }
 251     }
 252 }
 253 */
 254 @end
 255
 256 // wxNSTextViewControl
 257
 258 wxNSTextViewControl::wxNSTextViewControl( wxTextCtrl *wxPeer, WXWidget w ) : wxWidgetCocoaImpl(wxPeer, w)
 259 {
 260     m_scrollView = (NSScrollView*) w;
 261     [(wxNSTextField*)w setImplementation: this];
 262
 263     [m_scrollView setHasVerticalScroller:YES];
 264     [m_scrollView setHasHorizontalScroller:NO];
 265     [m_scrollView setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
 266     NSSize contentSize = [m_scrollView contentSize];
 267
 268     m_textView = [[NSTextView alloc] initWithFrame: NSMakeRect(0, 0,
 269             contentSize.width, contentSize.height)];
 270     [m_textView setVerticallyResizable:YES];
 271     [m_textView setHorizontallyResizable:NO];
 272     [m_textView setAutoresizingMask:NSViewWidthSizable];
 273
 274     [m_scrollView setDocumentView: m_textView];
 275
 276     [m_textView setDelegate: w];
 277 }
 278
 279 wxNSTextViewControl::~wxNSTextViewControl()
 280 {
 281     if (m_textView)
 282         [m_textView setDelegate: nil];
 283 }
 284
 285 wxString wxNSTextViewControl::GetStringValue() const
 286 {
 287     if (m_textView)
 288     {
 289         wxCFStringRef cf( (CFStringRef) [[m_textView string] retain] );
 290         return cf.AsString(m_wxPeer->GetFont().GetEncoding());
 291     }
 292     return wxEmptyString;
 293 }
 294 void wxNSTextViewControl::SetStringValue( const wxString &str)
 295 {
 296     if (m_textView)
 297         [m_textView setString: wxCFStringRef( str , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
 298 }
 299 void wxNSTextViewControl::Copy()
 300 {
 301     if (m_textView)
 302         [m_textView copy:nil];
 303
 304 }
 305
 306 void wxNSTextViewControl::Cut()
 307 {
 308     if (m_textView)
 309         [m_textView cut:nil];
 310 }
 311
 312 void wxNSTextViewControl::Paste()
 313 {
 314     if (m_textView)
 315         [m_textView paste:nil];
 316 }
 317
 318 bool wxNSTextViewControl::CanPaste() const
 319 {
 320     return true;
 321 }
 322
 323 void wxNSTextViewControl::SetEditable(bool editable)
 324 {
 325     if (m_textView)
 326         [m_textView setEditable: editable];
 327 }
 328
 329 void wxNSTextViewControl::GetSelection( long* from, long* to) const
 330 {
 331     if (m_textView)
 332     {
 333         NSRange range = [m_textView selectedRange];
 334         *from = range.location;
 335         *to = range.location + range.length;
 336     }
 337 }
 338
 339 void wxNSTextViewControl::SetSelection( long from , long to )
 340 {
 341     NSRange selrange = NSMakeRange(from, to-from);
 342     [m_textView setSelectedRange:selrange];
 343     [m_textView scrollRangeToVisible:selrange];
 344 }
 345
 346 void wxNSTextViewControl::WriteText(const wxString& str)
 347 {
 348     // temp hack to get logging working early
 349     wxString former = GetStringValue();
 350     SetStringValue( former + str );
 351     SetSelection(GetStringValue().length(), GetStringValue().length());
 352 }
 353
 354 // wxNSTextFieldControl
 355
 356 wxNSTextFieldControl::wxNSTextFieldControl( wxTextCtrl *wxPeer, WXWidget w ) : wxWidgetCocoaImpl(wxPeer, w)
 357 {
 358     m_textField = (NSTextField*) w;
 359     [m_textField setDelegate: w];
 360 }
 361
 362 wxNSTextFieldControl::~wxNSTextFieldControl()
 363 {
 364     if (m_textField)
 365         [m_textField setDelegate: nil];
 366 }
 367
 368 wxString wxNSTextFieldControl::GetStringValue() const
 369 {
 370     wxCFStringRef cf( (CFStringRef) [[m_textField stringValue] retain] );
 371     return cf.AsString(m_wxPeer->GetFont().GetEncoding());
 372 }
 373 void wxNSTextFieldControl::SetStringValue( const wxString &str)
 374 {
 375     [m_textField setStringValue: wxCFStringRef( str , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
 376 }
 377 void wxNSTextFieldControl::Copy()
 378 {
 379     NSText* editor = [m_textField currentEditor];
 380     if ( editor )
 381     {
 382         [editor copy:nil];
 383     }
 384 }
 385
 386 void wxNSTextFieldControl::Cut()
 387 {
 388     NSText* editor = [m_textField currentEditor];
 389     if ( editor )
 390     {
 391         [editor cut:nil];
 392     }
 393 }
 394
 395 void wxNSTextFieldControl::Paste()
 396 {
 397     NSText* editor = [m_textField currentEditor];
 398     if ( editor )
 399     {
 400         [editor paste:nil];
 401     }
 402 }
 403
 404 bool wxNSTextFieldControl::CanPaste() const
 405 {
 406     return true;
 407 }
 408
 409 void wxNSTextFieldControl::SetEditable(bool editable)
 410 {
 411     [m_textField setEditable:editable];
 412 }
 413
 414 void wxNSTextFieldControl::GetSelection( long* from, long* to) const
 415 {
 416     NSText* editor = [m_textField currentEditor];
 417     if ( editor )
 418     {
 419         NSRange range = [editor selectedRange];
 420         *from = range.location;
 421         *to = range.location + range.length;
 422     }
 423 }
 424
 425 void wxNSTextFieldControl::SetSelection( long from , long to )
 426 {
 427     NSText* editor = [m_textField currentEditor];
 428     if ( editor )
 429     {
 430         [editor setSelectedRange:NSMakeRange(from, to-from)];
 431     }
 432 }
 433
 434 void wxNSTextFieldControl::WriteText(const wxString& str)
 435 {
 436     // temp hack to get logging working early
 437     wxString former = GetStringValue();
 438     SetStringValue( former + str );
 439     SetSelection(GetStringValue().length(), GetStringValue().length());
 440 }
 441
 442 void wxNSTextFieldControl::controlAction(WXWidget slf, void* _cmd, void *sender)
 443 {
 444     wxWindow* wxpeer = (wxWindow*) GetWXPeer();
 445     if ( wxpeer && (wxpeer->GetWindowStyle() & wxTE_PROCESS_ENTER) )
 446     {
 447         wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, wxpeer->GetId());
 448         event.SetEventObject( wxpeer );
 449         event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
 450         wxpeer->HandleWindowEvent( event );
 451     }
 452 }
 453
 454 //
 455 //
 456 //
 457
 458 wxWidgetImplType* wxWidgetImpl::CreateTextControl( wxTextCtrl* wxpeer,
 459                                     wxWindowMac* parent,
 460                                     wxWindowID id,
 461                                     const wxString& str,
 462                                     const wxPoint& pos,
 463                                     const wxSize& size,
 464                                     long style,
 465                                     long extraStyle)
 466 {
 467     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 468     NSTextField* v = nil;
 469     wxWidgetCocoaImpl* c = NULL;
 470
 471     if ( style & wxTE_MULTILINE || style & wxTE_RICH || style & wxTE_RICH2 )
 472     {
 473         v = [[wxNSTextView alloc] initWithFrame:r];
 474         c = new wxNSTextViewControl( wxpeer, v );
 475         static_cast<wxNSTextViewControl*>(c)->SetStringValue(str);
 476     }
 477     else
 478     {
 479         if ( style & wxTE_PASSWORD )
 480             v = [[wxNSSecureTextField alloc] initWithFrame:r];
 481         else
 482             v = [[wxNSTextField alloc] initWithFrame:r];
 483
 484         if ( style & wxNO_BORDER )
 485         {
 486             // FIXME: How can we remove the native control's border?
 487             // setBordered is separate from the text ctrl's border.
 488         }
 489
 490         [v setBezeled:NO];
 491         [v setBordered:NO];
 492
 493         c = new wxNSTextFieldControl( wxpeer, v );
 494         [v setImplementation: c];
 495         static_cast<wxNSTextFieldControl*>(c)->SetStringValue(str);
 496     }
 497
 498     return c;
 499 }
 500
 501
 502 #endif // wxUSE_TEXTCTRL