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         return cf.AsString(m_wxPeer->GetFont().GetEncoding());
 318     }
 319     return wxEmptyString;
 320 }
 321 void wxNSTextViewControl::SetStringValue( const wxString &str)
 322 {
 323     if (m_textView)
 324         [m_textView setString: wxCFStringRef( str , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
 325 }
 326 void wxNSTextViewControl::Copy()
 327 {
 328     if (m_textView)
 329         [m_textView copy:nil];
 330
 331 }
 332
 333 void wxNSTextViewControl::Cut()
 334 {
 335     if (m_textView)
 336         [m_textView cut:nil];
 337 }
 338
 339 void wxNSTextViewControl::Paste()
 340 {
 341     if (m_textView)
 342         [m_textView paste:nil];
 343 }
 344
 345 bool wxNSTextViewControl::CanPaste() const
 346 {
 347     return true;
 348 }
 349
 350 void wxNSTextViewControl::SetEditable(bool editable)
 351 {
 352     if (m_textView)
 353         [m_textView setEditable: editable];
 354 }
 355
 356 void wxNSTextViewControl::GetSelection( long* from, long* to) const
 357 {
 358     if (m_textView)
 359     {
 360         NSRange range = [m_textView selectedRange];
 361         *from = range.location;
 362         *to = range.location + range.length;
 363     }
 364 }
 365
 366 void wxNSTextViewControl::SetSelection( long from , long to )
 367 {
 368     NSRange selrange = NSMakeRange(from, to-from);
 369     [m_textView setSelectedRange:selrange];
 370     [m_textView scrollRangeToVisible:selrange];
 371 }
 372
 373 void wxNSTextViewControl::WriteText(const wxString& str)
 374 {
 375     // temp hack to get logging working early
 376     wxString former = GetStringValue();
 377     SetStringValue( former + str );
 378     SetSelection(GetStringValue().length(), GetStringValue().length());
 379 }
 380
 381 // wxNSTextFieldControl
 382
 383 wxNSTextFieldControl::wxNSTextFieldControl( wxTextCtrl *wxPeer, WXWidget w ) : wxWidgetCocoaImpl(wxPeer, w)
 384 {
 385     m_textField = (NSTextField*) w;
 386     [m_textField setDelegate: w];
 387 }
 388
 389 wxNSTextFieldControl::~wxNSTextFieldControl()
 390 {
 391     if (m_textField)
 392         [m_textField setDelegate: nil];
 393 }
 394
 395 wxString wxNSTextFieldControl::GetStringValue() const
 396 {
 397     wxCFStringRef cf( (CFStringRef) [[m_textField stringValue] retain] );
 398     return cf.AsString(m_wxPeer->GetFont().GetEncoding());
 399 }
 400 void wxNSTextFieldControl::SetStringValue( const wxString &str)
 401 {
 402     [m_textField setStringValue: wxCFStringRef( str , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
 403 }
 404 void wxNSTextFieldControl::Copy()
 405 {
 406     NSText* editor = [m_textField currentEditor];
 407     if ( editor )
 408     {
 409         [editor copy:nil];
 410     }
 411 }
 412
 413 void wxNSTextFieldControl::Cut()
 414 {
 415     NSText* editor = [m_textField currentEditor];
 416     if ( editor )
 417     {
 418         [editor cut:nil];
 419     }
 420 }
 421
 422 void wxNSTextFieldControl::Paste()
 423 {
 424     NSText* editor = [m_textField currentEditor];
 425     if ( editor )
 426     {
 427         [editor paste:nil];
 428     }
 429 }
 430
 431 bool wxNSTextFieldControl::CanPaste() const
 432 {
 433     return true;
 434 }
 435
 436 void wxNSTextFieldControl::SetEditable(bool editable)
 437 {
 438     [m_textField setEditable:editable];
 439 }
 440
 441 void wxNSTextFieldControl::GetSelection( long* from, long* to) const
 442 {
 443     NSText* editor = [m_textField currentEditor];
 444     if ( editor )
 445     {
 446         NSRange range = [editor selectedRange];
 447         *from = range.location;
 448         *to = range.location + range.length;
 449     }
 450 }
 451
 452 void wxNSTextFieldControl::SetSelection( long from , long to )
 453 {
 454     NSText* editor = [m_textField currentEditor];
 455     if ( editor )
 456     {
 457         [editor setSelectedRange:NSMakeRange(from, to-from)];
 458     }
 459 }
 460
 461 void wxNSTextFieldControl::WriteText(const wxString& str)
 462 {
 463     // temp hack to get logging working early
 464     wxString former = GetStringValue();
 465     SetStringValue( former + str );
 466     SetSelection(GetStringValue().length(), GetStringValue().length());
 467 }
 468
 469 void wxNSTextFieldControl::controlAction(WXWidget WXUNUSED(slf),
 470     void* WXUNUSED(_cmd), void *WXUNUSED(sender))
 471 {
 472     wxWindow* wxpeer = (wxWindow*) GetWXPeer();
 473     if ( wxpeer && (wxpeer->GetWindowStyle() & wxTE_PROCESS_ENTER) )
 474     {
 475         wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, wxpeer->GetId());
 476         event.SetEventObject( wxpeer );
 477         event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
 478         wxpeer->HandleWindowEvent( event );
 479     }
 480 }
 481
 482 //
 483 //
 484 //
 485
 486 wxWidgetImplType* wxWidgetImpl::CreateTextControl( wxTextCtrl* wxpeer,
 487                                     wxWindowMac* WXUNUSED(parent),
 488                                     wxWindowID WXUNUSED(id),
 489                                     const wxString& str,
 490                                     const wxPoint& pos,
 491                                     const wxSize& size,
 492                                     long style,
 493                                     long WXUNUSED(extraStyle))
 494 {
 495     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 496     wxWidgetCocoaImpl* c = NULL;
 497
 498     if ( style & wxTE_MULTILINE || style & wxTE_RICH || style & wxTE_RICH2 )
 499     {
 500         wxNSTextScrollView* v = nil;
 501         v = [[wxNSTextScrollView alloc] initWithFrame:r];
 502         c = new wxNSTextViewControl( wxpeer, v );
 503         static_cast<wxNSTextViewControl*>(c)->SetStringValue(str);
 504     }
 505     else
 506     {
 507         NSTextField* v = nil;
 508         if ( style & wxTE_PASSWORD )
 509             v = [[wxNSSecureTextField alloc] initWithFrame:r];
 510         else
 511             v = [[wxNSTextField alloc] initWithFrame:r];
 512
 513         if ( style & wxNO_BORDER )
 514         {
 515             // FIXME: How can we remove the native control's border?
 516             // setBordered is separate from the text ctrl's border.
 517         }
 518
 519         [v setBezeled:NO];
 520         [v setBordered:NO];
 521
 522         c = new wxNSTextFieldControl( wxpeer, v );
 523         static_cast<wxNSTextFieldControl*>(c)->SetStringValue(str);
 524     }
 525
 526     return c;
 527 }
 528
 529
 530 #endif // wxUSE_TEXTCTRL