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[wxWidgets.git] / 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 NSView(EditableView)
53 - (BOOL)isEditable;
54 - (void)setEditable:(BOOL)flag;
55 @end
56
57 class wxMacEditHelper
58 {
59 public :
60 wxMacEditHelper( NSView* textView )
61 {
62 m_textView = textView;
63 m_formerState = YES;
64 if ( textView )
65 {
66 m_formerState = [textView isEditable];
67 [textView setEditable:YES];
68 }
69 }
70
71 ~wxMacEditHelper()
72 {
73 if ( m_textView )
74 [m_textView setEditable:m_formerState];
75 }
76
77 protected :
78 BOOL m_formerState ;
79 NSView* m_textView;
80 } ;
81
82 @implementation wxNSSecureTextField
83
84 + (void)initialize
85 {
86 static BOOL initialized = NO;
87 if (!initialized)
88 {
89 initialized = YES;
90 wxOSXCocoaClassAddWXMethods( self );
91 }
92 }
93
94 - (void)controlTextDidChange:(NSNotification *)aNotification
95 {
96 wxUnusedVar(aNotification);
97 wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
98 if ( impl )
99 impl->controlTextDidChange();
100 }
101
102 - (void)controlTextDidEndEditing:(NSNotification *)aNotification
103 {
104 wxUnusedVar(aNotification);
105 wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
106 if ( impl )
107 {
108 impl->DoNotifyFocusEvent( false, NULL );
109 }
110 }
111
112 @end
113
114 @interface wxNSTextScrollView : NSScrollView
115 {
116 }
117 @end
118
119 @implementation wxNSTextScrollView
120
121 + (void)initialize
122 {
123 static BOOL initialized = NO;
124 if (!initialized)
125 {
126 initialized = YES;
127 wxOSXCocoaClassAddWXMethods( self );
128 }
129 }
130
131 @end
132
133 @implementation wxNSTextFieldEditor
134
135 - (void) keyDown:(NSEvent*) event
136 {
137 wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( (WXWidget) [self delegate] );
138 lastKeyDownEvent = event;
139 if ( impl == NULL || !impl->DoHandleKeyEvent(event) )
140 [super keyDown:event];
141 lastKeyDownEvent = nil;
142 }
143
144 - (void) keyUp:(NSEvent*) event
145 {
146 wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( (WXWidget) [self delegate] );
147 if ( impl == NULL || !impl->DoHandleKeyEvent(event) )
148 [super keyUp:event];
149 }
150
151 - (void) flagsChanged:(NSEvent*) event
152 {
153 wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( (WXWidget) [self delegate] );
154 if ( impl == NULL || !impl->DoHandleKeyEvent(event) )
155 [super flagsChanged:event];
156 }
157
158 - (BOOL) performKeyEquivalent:(NSEvent*) event
159 {
160 BOOL retval = [super performKeyEquivalent:event];
161 return retval;
162 }
163
164 - (void) insertText:(id) str
165 {
166 wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( (WXWidget) [self delegate] );
167 if ( impl == NULL || lastKeyDownEvent==nil || !impl->DoHandleCharEvent(lastKeyDownEvent, str) )
168 {
169 [super insertText:str];
170 }
171 }
172
173 @end
174
175 @implementation wxNSTextView
176
177 + (void)initialize
178 {
179 static BOOL initialized = NO;
180 if (!initialized)
181 {
182 initialized = YES;
183 wxOSXCocoaClassAddWXMethods( self );
184 }
185 }
186
187 - (void)textDidChange:(NSNotification *)aNotification
188 {
189 wxUnusedVar(aNotification);
190 wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
191 if ( impl )
192 impl->controlTextDidChange();
193 }
194
195 @end
196
197 @implementation wxNSTextField
198
199 + (void)initialize
200 {
201 static BOOL initialized = NO;
202 if (!initialized)
203 {
204 initialized = YES;
205 wxOSXCocoaClassAddWXMethods( self );
206 }
207 }
208
209 - (id) initWithFrame:(NSRect) frame
210 {
211 self = [super initWithFrame:frame];
212 fieldEditor = nil;
213 return self;
214 }
215
216 - (void) dealloc
217 {
218 [fieldEditor release];
219 [super dealloc];
220 }
221
222 - (void) setFieldEditor:(wxNSTextFieldEditor*) editor
223 {
224 fieldEditor = editor;
225 }
226
227 - (wxNSTextFieldEditor*) fieldEditor
228 {
229 return fieldEditor;
230 }
231
232 - (void) setEnabled:(BOOL) flag
233 {
234 [super setEnabled: flag];
235
236 if (![self drawsBackground]) {
237 // Static text is drawn incorrectly when disabled.
238 // For an explanation, see
239 // http://www.cocoabuilder.com/archive/message/cocoa/2006/7/21/168028
240 if (flag) {
241 [self setTextColor: [NSColor controlTextColor]];
242 } else {
243 [self setTextColor: [NSColor secondarySelectedControlColor]];
244 }
245 }
246 }
247
248 - (void)controlTextDidChange:(NSNotification *)aNotification
249 {
250 wxUnusedVar(aNotification);
251 wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
252 if ( impl )
253 impl->controlTextDidChange();
254 }
255
256 typedef BOOL (*wxOSX_insertNewlineHandlerPtr)(NSView* self, SEL _cmd, NSControl *control, NSTextView* textView, SEL commandSelector);
257
258 - (BOOL)control:(NSControl*)control textView:(NSTextView*)textView doCommandBySelector:(SEL)commandSelector
259 {
260 wxUnusedVar(textView);
261 wxUnusedVar(control);
262 if (commandSelector == @selector(insertNewline:))
263 {
264 wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
265 if ( impl )
266 {
267 wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
268 if ( wxpeer && wxpeer->GetWindowStyle() & wxTE_PROCESS_ENTER )
269 {
270 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, wxpeer->GetId());
271 event.SetEventObject( wxpeer );
272 event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
273 wxpeer->HandleWindowEvent( event );
274 }
275 }
276 }
277
278 return NO;
279 }
280
281 - (void)controlTextDidEndEditing:(NSNotification *)aNotification
282 {
283 wxUnusedVar(aNotification);
284 wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
285 if ( impl )
286 {
287 impl->DoNotifyFocusEvent( false, NULL );
288 }
289 }
290 @end
291
292 // wxNSTextViewControl
293
294 wxNSTextViewControl::wxNSTextViewControl( wxTextCtrl *wxPeer, WXWidget w )
295 : wxWidgetCocoaImpl(wxPeer, w),
296 wxTextWidgetImpl(wxPeer)
297 {
298 wxNSTextScrollView* sv = (wxNSTextScrollView*) w;
299 m_scrollView = sv;
300
301 [m_scrollView setHasVerticalScroller:YES];
302 [m_scrollView setHasHorizontalScroller:NO];
303 [m_scrollView setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
304 NSSize contentSize = [m_scrollView contentSize];
305
306 wxNSTextView* tv = [[wxNSTextView alloc] initWithFrame: NSMakeRect(0, 0,
307 contentSize.width, contentSize.height)];
308 m_textView = tv;
309 [tv setVerticallyResizable:YES];
310 [tv setHorizontallyResizable:NO];
311 [tv setAutoresizingMask:NSViewWidthSizable];
312
313 [m_scrollView setDocumentView: tv];
314
315 [tv setDelegate: tv];
316
317 InstallEventHandler(tv);
318 }
319
320 wxNSTextViewControl::~wxNSTextViewControl()
321 {
322 if (m_textView)
323 [m_textView setDelegate: nil];
324 }
325
326 bool wxNSTextViewControl::CanFocus() const
327 {
328 // since this doesn't work (return false), we hardcode
329 // if (m_textView)
330 // return [m_textView canBecomeKeyView];
331 return true;
332 }
333
334 wxString wxNSTextViewControl::GetStringValue() const
335 {
336 if (m_textView)
337 {
338 wxString result = wxCFStringRef::AsString([m_textView string], m_wxPeer->GetFont().GetEncoding());
339 wxMacConvertNewlines13To10( &result ) ;
340 return result;
341 }
342 return wxEmptyString;
343 }
344 void wxNSTextViewControl::SetStringValue( const wxString &str)
345 {
346 wxString st = str;
347 wxMacConvertNewlines10To13( &st );
348 wxMacEditHelper helper(m_textView);
349
350 if (m_textView)
351 [m_textView setString: wxCFStringRef( st , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
352 }
353
354 void wxNSTextViewControl::Copy()
355 {
356 if (m_textView)
357 [m_textView copy:nil];
358
359 }
360
361 void wxNSTextViewControl::Cut()
362 {
363 if (m_textView)
364 [m_textView cut:nil];
365 }
366
367 void wxNSTextViewControl::Paste()
368 {
369 if (m_textView)
370 [m_textView paste:nil];
371 }
372
373 bool wxNSTextViewControl::CanPaste() const
374 {
375 return true;
376 }
377
378 void wxNSTextViewControl::SetEditable(bool editable)
379 {
380 if (m_textView)
381 [m_textView setEditable: editable];
382 }
383
384 void wxNSTextViewControl::GetSelection( long* from, long* to) const
385 {
386 if (m_textView)
387 {
388 NSRange range = [m_textView selectedRange];
389 *from = range.location;
390 *to = range.location + range.length;
391 }
392 }
393
394 void wxNSTextViewControl::SetSelection( long from , long to )
395 {
396 long textLength = [[m_textView string] length];
397 if ((from == -1) && (to == -1))
398 {
399 from = 0 ;
400 to = textLength ;
401 }
402 else
403 {
404 from = wxMin(textLength,wxMax(from,0)) ;
405 if ( to == -1 )
406 to = textLength;
407 else
408 to = wxMax(0,wxMin(textLength,to)) ;
409 }
410
411 NSRange selrange = NSMakeRange(from, to-from);
412 [m_textView setSelectedRange:selrange];
413 [m_textView scrollRangeToVisible:selrange];
414 }
415
416 void wxNSTextViewControl::WriteText(const wxString& str)
417 {
418 wxString st = str;
419 wxMacConvertNewlines10To13( &st );
420 wxMacEditHelper helper(m_textView);
421 NSEvent* formerEvent = m_lastKeyDownEvent;
422 m_lastKeyDownEvent = nil;
423 [m_textView insertText:wxCFStringRef( st , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
424 m_lastKeyDownEvent = formerEvent;
425 }
426
427 void wxNSTextViewControl::SetFont( const wxFont & font , const wxColour& WXUNUSED(foreground) , long WXUNUSED(windowStyle), bool WXUNUSED(ignoreBlack) )
428 {
429 if ([m_textView respondsToSelector:@selector(setFont:)])
430 [m_textView setFont: font.OSXGetNSFont()];
431 }
432
433 bool wxNSTextViewControl::GetStyle(long position, wxTextAttr& style)
434 {
435 if (m_textView && position >=0)
436 {
437 NSFont* font = NULL;
438 NSColor* bgcolor = NULL;
439 NSColor* fgcolor = NULL;
440 // NOTE: It appears that other platforms accept GetStyle with the position == length
441 // but that NSTextStorage does not accept length as a valid position.
442 // Therefore we return the default control style in that case.
443 if (position < [[m_textView string] length])
444 {
445 NSTextStorage* storage = [m_textView textStorage];
446 font = [[storage attribute:NSFontAttributeName atIndex:position effectiveRange:NULL] autorelease];
447 bgcolor = [[storage attribute:NSBackgroundColorAttributeName atIndex:position effectiveRange:NULL] autorelease];
448 fgcolor = [[storage attribute:NSForegroundColorAttributeName atIndex:position effectiveRange:NULL] autorelease];
449 }
450 else
451 {
452 NSDictionary* attrs = [m_textView typingAttributes];
453 font = [[attrs objectForKey:NSFontAttributeName] autorelease];
454 bgcolor = [[attrs objectForKey:NSBackgroundColorAttributeName] autorelease];
455 fgcolor = [[attrs objectForKey:NSForegroundColorAttributeName] autorelease];
456 }
457
458 if (font)
459 style.SetFont(wxFont(font));
460
461 if (bgcolor)
462 style.SetBackgroundColour(wxColour(bgcolor));
463
464 if (fgcolor)
465 style.SetTextColour(wxColour(fgcolor));
466 return true;
467 }
468
469 return false;
470 }
471
472 void wxNSTextViewControl::SetStyle(long start,
473 long end,
474 const wxTextAttr& style)
475 {
476 if (m_textView) {
477 NSRange range = NSMakeRange(start, end-start);
478 if (start == -1 && end == -1)
479 range = [m_textView selectedRange];
480
481 NSTextStorage* storage = [m_textView textStorage];
482
483 wxFont font = style.GetFont();
484 if (style.HasFont() && font.IsOk())
485 [storage addAttribute:NSFontAttributeName value:font.OSXGetNSFont() range:range];
486
487 wxColour bgcolor = style.GetBackgroundColour();
488 if (style.HasBackgroundColour() && bgcolor.IsOk())
489 [storage addAttribute:NSBackgroundColorAttributeName value:bgcolor.OSXGetNSColor() range:range];
490
491 wxColour fgcolor = style.GetTextColour();
492 if (style.HasTextColour() && fgcolor.IsOk())
493 [storage addAttribute:NSForegroundColorAttributeName value:fgcolor.OSXGetNSColor() range:range];
494 }
495 }
496
497 void wxNSTextViewControl::CheckSpelling(bool check)
498 {
499 if (m_textView)
500 [m_textView setContinuousSpellCheckingEnabled: check];
501 }
502
503 wxSize wxNSTextViewControl::GetBestSize() const
504 {
505 if (m_textView && [m_textView layoutManager])
506 {
507 NSRect rect = [[m_textView layoutManager] usedRectForTextContainer: [m_textView textContainer]];
508 return wxSize((int)(rect.size.width + [m_textView textContainerInset].width),
509 (int)(rect.size.height + [m_textView textContainerInset].height));
510 }
511 return wxSize(0,0);
512 }
513
514 // wxNSTextFieldControl
515
516 wxNSTextFieldControl::wxNSTextFieldControl( wxTextCtrl *text, WXWidget w )
517 : wxWidgetCocoaImpl(text, w),
518 wxTextWidgetImpl(text)
519 {
520 Init(w);
521 }
522
523 wxNSTextFieldControl::wxNSTextFieldControl(wxWindow *wxPeer,
524 wxTextEntry *entry,
525 WXWidget w)
526 : wxWidgetCocoaImpl(wxPeer, w),
527 wxTextWidgetImpl(entry)
528 {
529 Init(w);
530 }
531
532 void wxNSTextFieldControl::Init(WXWidget w)
533 {
534 NSTextField wxOSX_10_6_AND_LATER(<NSTextFieldDelegate>) *tf = (NSTextField*) w;
535 m_textField = tf;
536 [m_textField setDelegate: tf];
537 m_selStart = m_selEnd = 0;
538 m_hasEditor = [w isKindOfClass:[NSTextField class]];
539 }
540
541 wxNSTextFieldControl::~wxNSTextFieldControl()
542 {
543 if (m_textField)
544 [m_textField setDelegate: nil];
545 }
546
547 wxString wxNSTextFieldControl::GetStringValue() const
548 {
549 return wxCFStringRef::AsString([m_textField stringValue], m_wxPeer->GetFont().GetEncoding());
550 }
551
552 void wxNSTextFieldControl::SetStringValue( const wxString &str)
553 {
554 wxMacEditHelper helper(m_textField);
555 [m_textField setStringValue: wxCFStringRef( str , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
556 }
557
558 void wxNSTextFieldControl::Copy()
559 {
560 NSText* editor = [m_textField currentEditor];
561 if ( editor )
562 {
563 [editor copy:nil];
564 }
565 }
566
567 void wxNSTextFieldControl::Cut()
568 {
569 NSText* editor = [m_textField currentEditor];
570 if ( editor )
571 {
572 [editor cut:nil];
573 }
574 }
575
576 void wxNSTextFieldControl::Paste()
577 {
578 NSText* editor = [m_textField currentEditor];
579 if ( editor )
580 {
581 [editor paste:nil];
582 }
583 }
584
585 bool wxNSTextFieldControl::CanPaste() const
586 {
587 return true;
588 }
589
590 void wxNSTextFieldControl::SetEditable(bool editable)
591 {
592 [m_textField setEditable:editable];
593 }
594
595 void wxNSTextFieldControl::GetSelection( long* from, long* to) const
596 {
597 NSText* editor = [m_textField currentEditor];
598 if ( editor )
599 {
600 NSRange range = [editor selectedRange];
601 *from = range.location;
602 *to = range.location + range.length;
603 }
604 else
605 {
606 *from = m_selStart;
607 *to = m_selEnd;
608 }
609 }
610
611 void wxNSTextFieldControl::SetSelection( long from , long to )
612 {
613 long textLength = [[m_textField stringValue] length];
614 if ((from == -1) && (to == -1))
615 {
616 from = 0 ;
617 to = textLength ;
618 }
619 else
620 {
621 from = wxMin(textLength,wxMax(from,0)) ;
622 if ( to == -1 )
623 to = textLength;
624 else
625 to = wxMax(0,wxMin(textLength,to)) ;
626 }
627
628 NSText* editor = [m_textField currentEditor];
629 if ( editor )
630 {
631 [editor setSelectedRange:NSMakeRange(from, to-from)];
632 }
633 else
634 {
635 m_selStart = from;
636 m_selEnd = to;
637 }
638 }
639
640 void wxNSTextFieldControl::WriteText(const wxString& str)
641 {
642 NSEvent* formerEvent = m_lastKeyDownEvent;
643 m_lastKeyDownEvent = nil;
644 NSText* editor = [m_textField currentEditor];
645 if ( editor )
646 {
647 wxMacEditHelper helper(m_textField);
648 [editor insertText:wxCFStringRef( str , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
649 }
650 else
651 {
652 wxString val = GetStringValue() ;
653 long start , end ;
654 GetSelection( &start , &end ) ;
655 val.Remove( start , end - start ) ;
656 val.insert( start , str ) ;
657 SetStringValue( val ) ;
658 SetSelection( start + str.length() , start + str.length() ) ;
659 }
660 m_lastKeyDownEvent = formerEvent;
661 }
662
663 void wxNSTextFieldControl::controlAction(WXWidget WXUNUSED(slf),
664 void* WXUNUSED(_cmd), void *WXUNUSED(sender))
665 {
666 wxWindow* wxpeer = (wxWindow*) GetWXPeer();
667 if ( wxpeer && (wxpeer->GetWindowStyle() & wxTE_PROCESS_ENTER) )
668 {
669 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, wxpeer->GetId());
670 event.SetEventObject( wxpeer );
671 event.SetString( GetTextEntry()->GetValue() );
672 wxpeer->HandleWindowEvent( event );
673 }
674 }
675
676 //
677 //
678 //
679
680 wxWidgetImplType* wxWidgetImpl::CreateTextControl( wxTextCtrl* wxpeer,
681 wxWindowMac* WXUNUSED(parent),
682 wxWindowID WXUNUSED(id),
683 const wxString& WXUNUSED(str),
684 const wxPoint& pos,
685 const wxSize& size,
686 long style,
687 long WXUNUSED(extraStyle))
688 {
689 NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
690 wxWidgetCocoaImpl* c = NULL;
691
692 if ( style & wxTE_MULTILINE || style & wxTE_RICH || style & wxTE_RICH2 )
693 {
694 wxNSTextScrollView* v = nil;
695 v = [[wxNSTextScrollView alloc] initWithFrame:r];
696 c = new wxNSTextViewControl( wxpeer, v );
697 }
698 else
699 {
700 NSTextField* v = nil;
701 if ( style & wxTE_PASSWORD )
702 v = [[wxNSSecureTextField alloc] initWithFrame:r];
703 else
704 v = [[wxNSTextField alloc] initWithFrame:r];
705
706 if ( style & wxNO_BORDER )
707 {
708 // FIXME: How can we remove the native control's border?
709 // setBordered is separate from the text ctrl's border.
710 }
711
712 [v setBezeled:NO];
713 [v setBordered:NO];
714
715 c = new wxNSTextFieldControl( wxpeer, wxpeer, v );
716 }
717
718 return c;
719 }
720
721
722 #endif // wxUSE_TEXTCTRL