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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 ) : wxWidgetCocoaImpl(wxPeer, w)
295 {
296 wxNSTextScrollView* sv = (wxNSTextScrollView*) w;
297 m_scrollView = sv;
298
299 [m_scrollView setHasVerticalScroller:YES];
300 [m_scrollView setHasHorizontalScroller:NO];
301 [m_scrollView setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
302 NSSize contentSize = [m_scrollView contentSize];
303
304 wxNSTextView* tv = [[wxNSTextView alloc] initWithFrame: NSMakeRect(0, 0,
305 contentSize.width, contentSize.height)];
306 m_textView = tv;
307 [tv setVerticallyResizable:YES];
308 [tv setHorizontallyResizable:NO];
309 [tv setAutoresizingMask:NSViewWidthSizable];
310
311 [m_scrollView setDocumentView: tv];
312
313 [tv setDelegate: tv];
314
315 InstallEventHandler(tv);
316 }
317
318 wxNSTextViewControl::~wxNSTextViewControl()
319 {
320 if (m_textView)
321 [m_textView setDelegate: nil];
322 }
323
324 bool wxNSTextViewControl::CanFocus() const
325 {
326 // we need to override so that we don't return the CanFocus value of
327 // the text view's overriding scroll view.
328 if (m_textView)
329 return [m_textView canBecomeKeyView];
330 return false;
331 }
332
333 wxString wxNSTextViewControl::GetStringValue() const
334 {
335 if (m_textView)
336 {
337 wxString result = wxCFStringRef::AsString([m_textView string], m_wxPeer->GetFont().GetEncoding());
338 wxMacConvertNewlines13To10( &result ) ;
339 return result;
340 }
341 return wxEmptyString;
342 }
343 void wxNSTextViewControl::SetStringValue( const wxString &str)
344 {
345 wxString st = str;
346 wxMacConvertNewlines10To13( &st );
347 wxMacEditHelper helper(m_textView);
348
349 if (m_textView)
350 [m_textView setString: wxCFStringRef( st , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
351 }
352
353 void wxNSTextViewControl::Copy()
354 {
355 if (m_textView)
356 [m_textView copy:nil];
357
358 }
359
360 void wxNSTextViewControl::Cut()
361 {
362 if (m_textView)
363 [m_textView cut:nil];
364 }
365
366 void wxNSTextViewControl::Paste()
367 {
368 if (m_textView)
369 [m_textView paste:nil];
370 }
371
372 bool wxNSTextViewControl::CanPaste() const
373 {
374 return true;
375 }
376
377 void wxNSTextViewControl::SetEditable(bool editable)
378 {
379 if (m_textView)
380 [m_textView setEditable: editable];
381 }
382
383 void wxNSTextViewControl::GetSelection( long* from, long* to) const
384 {
385 if (m_textView)
386 {
387 NSRange range = [m_textView selectedRange];
388 *from = range.location;
389 *to = range.location + range.length;
390 }
391 }
392
393 void wxNSTextViewControl::SetSelection( long from , long to )
394 {
395 long textLength = [[m_textView string] length];
396 if ((from == -1) && (to == -1))
397 {
398 from = 0 ;
399 to = textLength ;
400 }
401 else
402 {
403 from = wxMin(textLength,wxMax(from,0)) ;
404 if ( to == -1 )
405 to = textLength;
406 else
407 to = wxMax(0,wxMin(textLength,to)) ;
408 }
409
410 NSRange selrange = NSMakeRange(from, to-from);
411 [m_textView setSelectedRange:selrange];
412 [m_textView scrollRangeToVisible:selrange];
413 }
414
415 void wxNSTextViewControl::WriteText(const wxString& str)
416 {
417 wxString st = str;
418 wxMacConvertNewlines10To13( &st );
419 wxMacEditHelper helper(m_textView);
420 NSEvent* formerEvent = m_lastKeyDownEvent;
421 m_lastKeyDownEvent = nil;
422 [m_textView insertText:wxCFStringRef( st , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
423 m_lastKeyDownEvent = formerEvent;
424 }
425
426 void wxNSTextViewControl::SetFont( const wxFont & font , const wxColour& WXUNUSED(foreground) , long WXUNUSED(windowStyle), bool WXUNUSED(ignoreBlack) )
427 {
428 if ([m_textView respondsToSelector:@selector(setFont:)])
429 [m_textView setFont: font.OSXGetNSFont()];
430 }
431
432 bool wxNSTextViewControl::GetStyle(long position, wxTextAttr& style)
433 {
434 if (m_textView && position >=0)
435 {
436 NSFont* font = NULL;
437 NSColor* bgcolor = NULL;
438 NSColor* fgcolor = NULL;
439 // NOTE: It appears that other platforms accept GetStyle with the position == length
440 // but that NSTextStorage does not accept length as a valid position.
441 // Therefore we return the default control style in that case.
442 if (position < [[m_textView string] length])
443 {
444 NSTextStorage* storage = [m_textView textStorage];
445 font = [[storage attribute:NSFontAttributeName atIndex:position effectiveRange:NULL] autorelease];
446 bgcolor = [[storage attribute:NSBackgroundColorAttributeName atIndex:position effectiveRange:NULL] autorelease];
447 fgcolor = [[storage attribute:NSForegroundColorAttributeName atIndex:position effectiveRange:NULL] autorelease];
448 }
449 else
450 {
451 NSDictionary* attrs = [m_textView typingAttributes];
452 font = [[attrs objectForKey:NSFontAttributeName] autorelease];
453 bgcolor = [[attrs objectForKey:NSBackgroundColorAttributeName] autorelease];
454 fgcolor = [[attrs objectForKey:NSForegroundColorAttributeName] autorelease];
455 }
456
457 if (font)
458 style.SetFont(wxFont(font));
459
460 if (bgcolor)
461 style.SetBackgroundColour(wxColour(bgcolor));
462
463 if (fgcolor)
464 style.SetTextColour(wxColour(fgcolor));
465 return true;
466 }
467
468 return false;
469 }
470
471 void wxNSTextViewControl::SetStyle(long start,
472 long end,
473 const wxTextAttr& style)
474 {
475 if (m_textView) {
476 NSRange range = NSMakeRange(start, end-start);
477 if (start == -1 && end == -1)
478 range = [m_textView selectedRange];
479
480 NSTextStorage* storage = [m_textView textStorage];
481
482 wxFont font = style.GetFont();
483 if (style.HasFont() && font.IsOk())
484 [storage addAttribute:NSFontAttributeName value:font.OSXGetNSFont() range:range];
485
486 wxColour bgcolor = style.GetBackgroundColour();
487 if (style.HasBackgroundColour() && bgcolor.IsOk())
488 [storage addAttribute:NSBackgroundColorAttributeName value:bgcolor.OSXGetNSColor() range:range];
489
490 wxColour fgcolor = style.GetTextColour();
491 if (style.HasTextColour() && fgcolor.IsOk())
492 [storage addAttribute:NSForegroundColorAttributeName value:fgcolor.OSXGetNSColor() range:range];
493 }
494 }
495
496 void wxNSTextViewControl::CheckSpelling(bool check)
497 {
498 if (m_textView)
499 [m_textView setContinuousSpellCheckingEnabled: check];
500 }
501
502 wxSize wxNSTextViewControl::GetBestSize() const
503 {
504 if (m_textView && [m_textView layoutManager])
505 {
506 NSRect rect = [[m_textView layoutManager] usedRectForTextContainer: [m_textView textContainer]];
507 wxSize size = wxSize(rect.size.width, rect.size.height);
508 size.x += [m_textView textContainerInset].width;
509 size.y += [m_textView textContainerInset].height;
510 return size;
511 }
512 return wxSize(0,0);
513 }
514
515 // wxNSTextFieldControl
516
517 wxNSTextFieldControl::wxNSTextFieldControl( wxWindow *wxPeer, WXWidget w ) : wxWidgetCocoaImpl(wxPeer, w)
518 {
519 NSTextField wxOSX_10_6_AND_LATER(<NSTextFieldDelegate>) *tf = (NSTextField*) w;
520 m_textField = tf;
521 [m_textField setDelegate: tf];
522 m_selStart = m_selEnd = 0;
523 m_hasEditor = [w isKindOfClass:[NSTextField class]];
524 }
525
526 wxNSTextFieldControl::~wxNSTextFieldControl()
527 {
528 if (m_textField)
529 [m_textField setDelegate: nil];
530 }
531
532 wxString wxNSTextFieldControl::GetStringValue() const
533 {
534 return wxCFStringRef::AsString([m_textField stringValue], m_wxPeer->GetFont().GetEncoding());
535 }
536
537 void wxNSTextFieldControl::SetStringValue( const wxString &str)
538 {
539 wxMacEditHelper helper(m_textField);
540 [m_textField setStringValue: wxCFStringRef( str , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
541 }
542
543 void wxNSTextFieldControl::Copy()
544 {
545 NSText* editor = [m_textField currentEditor];
546 if ( editor )
547 {
548 [editor copy:nil];
549 }
550 }
551
552 void wxNSTextFieldControl::Cut()
553 {
554 NSText* editor = [m_textField currentEditor];
555 if ( editor )
556 {
557 [editor cut:nil];
558 }
559 }
560
561 void wxNSTextFieldControl::Paste()
562 {
563 NSText* editor = [m_textField currentEditor];
564 if ( editor )
565 {
566 [editor paste:nil];
567 }
568 }
569
570 bool wxNSTextFieldControl::CanPaste() const
571 {
572 return true;
573 }
574
575 void wxNSTextFieldControl::SetEditable(bool editable)
576 {
577 [m_textField setEditable:editable];
578 }
579
580 void wxNSTextFieldControl::GetSelection( long* from, long* to) const
581 {
582 NSText* editor = [m_textField currentEditor];
583 if ( editor )
584 {
585 NSRange range = [editor selectedRange];
586 *from = range.location;
587 *to = range.location + range.length;
588 }
589 else
590 {
591 *from = m_selStart;
592 *to = m_selEnd;
593 }
594 }
595
596 void wxNSTextFieldControl::SetSelection( long from , long to )
597 {
598 long textLength = [[m_textField stringValue] length];
599 if ((from == -1) && (to == -1))
600 {
601 from = 0 ;
602 to = textLength ;
603 }
604 else
605 {
606 from = wxMin(textLength,wxMax(from,0)) ;
607 if ( to == -1 )
608 to = textLength;
609 else
610 to = wxMax(0,wxMin(textLength,to)) ;
611 }
612
613 NSText* editor = [m_textField currentEditor];
614 if ( editor )
615 {
616 [editor setSelectedRange:NSMakeRange(from, to-from)];
617 }
618 else
619 {
620 m_selStart = from;
621 m_selEnd = to;
622 }
623 }
624
625 void wxNSTextFieldControl::WriteText(const wxString& str)
626 {
627 NSEvent* formerEvent = m_lastKeyDownEvent;
628 m_lastKeyDownEvent = nil;
629 NSText* editor = [m_textField currentEditor];
630 if ( editor )
631 {
632 wxMacEditHelper helper(m_textField);
633 [editor insertText:wxCFStringRef( str , m_wxPeer->GetFont().GetEncoding() ).AsNSString()];
634 }
635 else
636 {
637 wxString val = GetStringValue() ;
638 long start , end ;
639 GetSelection( &start , &end ) ;
640 val.Remove( start , end - start ) ;
641 val.insert( start , str ) ;
642 SetStringValue( val ) ;
643 SetSelection( start + str.length() , start + str.length() ) ;
644 }
645 m_lastKeyDownEvent = formerEvent;
646 }
647
648 void wxNSTextFieldControl::controlAction(WXWidget WXUNUSED(slf),
649 void* WXUNUSED(_cmd), void *WXUNUSED(sender))
650 {
651 wxWindow* wxpeer = (wxWindow*) GetWXPeer();
652 if ( wxpeer && (wxpeer->GetWindowStyle() & wxTE_PROCESS_ENTER) )
653 {
654 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, wxpeer->GetId());
655 event.SetEventObject( wxpeer );
656 event.SetString( static_cast<wxTextCtrl*>(wxpeer)->GetValue() );
657 wxpeer->HandleWindowEvent( event );
658 }
659 }
660
661 //
662 //
663 //
664
665 wxWidgetImplType* wxWidgetImpl::CreateTextControl( wxTextCtrl* wxpeer,
666 wxWindowMac* WXUNUSED(parent),
667 wxWindowID WXUNUSED(id),
668 const wxString& WXUNUSED(str),
669 const wxPoint& pos,
670 const wxSize& size,
671 long style,
672 long WXUNUSED(extraStyle))
673 {
674 NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
675 wxWidgetCocoaImpl* c = NULL;
676
677 if ( style & wxTE_MULTILINE || style & wxTE_RICH || style & wxTE_RICH2 )
678 {
679 wxNSTextScrollView* v = nil;
680 v = [[wxNSTextScrollView alloc] initWithFrame:r];
681 c = new wxNSTextViewControl( wxpeer, v );
682 }
683 else
684 {
685 NSTextField* v = nil;
686 if ( style & wxTE_PASSWORD )
687 v = [[wxNSSecureTextField alloc] initWithFrame:r];
688 else
689 v = [[wxNSTextField alloc] initWithFrame:r];
690
691 if ( style & wxNO_BORDER )
692 {
693 // FIXME: How can we remove the native control's border?
694 // setBordered is separate from the text ctrl's border.
695 }
696
697 [v setBezeled:NO];
698 [v setBordered:NO];
699
700 c = new wxNSTextFieldControl( wxpeer, v );
701 }
702
703 return c;
704 }
705
706
707 #endif // wxUSE_TEXTCTRL