+@interface NSView(EditableView)
+- (BOOL)isEditable;
+- (void)setEditable:(BOOL)flag;
+- (BOOL)isSelectable;
+- (void)setSelectable:(BOOL)flag;
+@end
+
+// An object of this class is created before the text is modified
+// programmatically and destroyed as soon as this is done. It does several
+// things, like ensuring that the control is editable to allow setting its text
+// at all and eating any unwanted focus loss events from textDidEndEditing:
+// which don't really correspond to focus change.
+class wxMacEditHelper
+{
+public :
+ wxMacEditHelper( NSView* textView )
+ {
+ m_viewPreviouslyEdited = ms_viewCurrentlyEdited;
+ ms_viewCurrentlyEdited =
+ m_textView = textView;
+ m_formerEditable = YES;
+ if ( textView )
+ {
+ m_formerEditable = [textView isEditable];
+ m_formerSelectable = [textView isSelectable];
+ [textView setEditable:YES];
+ }
+ }
+
+ ~wxMacEditHelper()
+ {
+ if ( m_textView )
+ {
+ [m_textView setEditable:m_formerEditable];
+ [m_textView setSelectable:m_formerSelectable];
+ }
+
+ ms_viewCurrentlyEdited = m_viewPreviouslyEdited;
+ }
+
+ // Returns the last view we were instantiated for or NULL.
+ static NSView *GetCurrentlyEditedView() { return ms_viewCurrentlyEdited; }
+
+protected :
+ BOOL m_formerEditable ;
+ BOOL m_formerSelectable;
+ NSView* m_textView;
+
+ // The original value of ms_viewCurrentlyEdited when this object was
+ // created.
+ NSView* m_viewPreviouslyEdited;
+
+ static NSView* ms_viewCurrentlyEdited;
+} ;
+
+NSView* wxMacEditHelper::ms_viewCurrentlyEdited = nil;
+
+// a minimal NSFormatter that just avoids getting too long entries
+@interface wxMaximumLengthFormatter : NSFormatter
+{
+ int maxLength;
+}
+
+@end
+
+@implementation wxMaximumLengthFormatter
+
+- (id)init
+{
+ self = [super init];
+ maxLength = 0;
+ return self;
+}
+
+- (void) setMaxLength:(int) maxlen
+{
+ maxLength = maxlen;
+}
+
+- (NSString *)stringForObjectValue:(id)anObject
+{
+ if(![anObject isKindOfClass:[NSString class]])
+ return nil;
+ return [NSString stringWithString:anObject];
+}
+
+- (BOOL)getObjectValue:(id *)obj forString:(NSString *)string errorDescription:(NSString **)error
+{
+ *obj = [NSString stringWithString:string];
+ return YES;
+}
+
+- (BOOL)isPartialStringValid:(NSString **)partialStringPtr proposedSelectedRange:(NSRangePointer)proposedSelRangePtr
+ originalString:(NSString *)origString originalSelectedRange:(NSRange)origSelRange errorDescription:(NSString **)error
+{
+ int len = [*partialStringPtr length];
+ if ( maxLength > 0 && len > maxLength )
+ {
+ // TODO wxEVT_TEXT_MAXLEN
+ return NO;
+ }
+ return YES;
+}
+
+@end
+
+@implementation wxNSSecureTextField
+
++ (void)initialize
+{
+ static BOOL initialized = NO;
+ if (!initialized)
+ {
+ initialized = YES;
+ wxOSXCocoaClassAddWXMethods( self );
+ }
+}
+
+- (void)controlTextDidChange:(NSNotification *)aNotification
+{
+ wxUnusedVar(aNotification);
+ wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
+ if ( impl )
+ impl->controlTextDidChange();
+}
+
+- (void)controlTextDidEndEditing:(NSNotification *)aNotification
+{
+ wxUnusedVar(aNotification);
+ wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
+ if ( impl )
+ {
+ NSResponder * responder = wxNonOwnedWindowCocoaImpl::GetNextFirstResponder();
+ NSView* otherView = wxOSXGetViewFromResponder(responder);
+
+ wxWidgetImpl* otherWindow = impl->FindBestFromWXWidget(otherView);
+ impl->DoNotifyFocusEvent( false, otherWindow );
+ }
+}
+
+- (BOOL)control:(NSControl*)control textView:(NSTextView*)textView doCommandBySelector:(SEL)commandSelector
+{
+ wxUnusedVar(textView);
+
+ BOOL handled = NO;
+
+ wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( control );
+ if ( impl )
+ {
+ wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
+ if ( wxpeer )
+ {
+ if (commandSelector == @selector(insertNewline:))
+ {
+ wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(wxpeer), wxTopLevelWindow);
+ if ( tlw && tlw->GetDefaultItem() )
+ {
+ wxButton *def = wxDynamicCast(tlw->GetDefaultItem(), wxButton);
+ if ( def && def->IsEnabled() )
+ {
+ wxCommandEvent event(wxEVT_BUTTON, def->GetId() );
+ event.SetEventObject(def);
+ def->Command(event);
+ handled = YES;
+ }
+ }
+ }
+ }
+ }
+
+ return handled;
+}
+
+@end
+
+@interface wxNSTextScrollView : NSScrollView
+{
+}
+@end
+
+@implementation wxNSTextScrollView
+
++ (void)initialize
+{
+ static BOOL initialized = NO;
+ if (!initialized)
+ {
+ initialized = YES;
+ wxOSXCocoaClassAddWXMethods( self );
+ }
+}
+
+@end
+
+@implementation wxNSTextFieldEditor
+
+- (void) keyDown:(NSEvent*) event
+{
+ wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( (WXWidget) [self delegate] );
+ lastKeyDownEvent = event;
+ if ( impl == NULL || !impl->DoHandleKeyEvent(event) )
+ [super keyDown:event];
+ lastKeyDownEvent = nil;
+}
+
+- (void) keyUp:(NSEvent*) event
+{
+ wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( (WXWidget) [self delegate] );
+ if ( impl == NULL || !impl->DoHandleKeyEvent(event) )
+ [super keyUp:event];
+}
+
+- (void) flagsChanged:(NSEvent*) event
+{
+ wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( (WXWidget) [self delegate] );
+ if ( impl == NULL || !impl->DoHandleKeyEvent(event) )
+ [super flagsChanged:event];
+}
+
+- (BOOL) performKeyEquivalent:(NSEvent*) event
+{
+ BOOL retval = [super performKeyEquivalent:event];
+ return retval;
+}
+
+- (void) insertText:(id) str
+{
+ wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( (WXWidget) [self delegate] );
+ if ( impl == NULL || lastKeyDownEvent==nil || !impl->DoHandleCharEvent(lastKeyDownEvent, str) )
+ {
+ [super insertText:str];
+ }
+}
+
+@end
+
+@implementation wxNSTextView
+
++ (void)initialize
+{
+ static BOOL initialized = NO;
+ if (!initialized)
+ {
+ initialized = YES;
+ wxOSXCocoaClassAddWXMethods( self );
+ }
+}
+
+- (void)textDidChange:(NSNotification *)aNotification
+{
+ wxUnusedVar(aNotification);
+ wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
+ if ( impl )
+ impl->controlTextDidChange();
+}
+
+- (void) setEnabled:(BOOL) flag
+{
+ // from Technical Q&A QA1461
+ if (flag) {
+ [self setTextColor: [NSColor controlTextColor]];
+
+ } else {
+ [self setTextColor: [NSColor disabledControlTextColor]];
+ }
+
+ [self setSelectable: flag];
+ [self setEditable: flag];
+}
+
+- (BOOL) isEnabled
+{
+ return [self isEditable];
+}
+
+- (void)textDidEndEditing:(NSNotification *)aNotification
+{
+ wxUnusedVar(aNotification);
+
+ if ( self == wxMacEditHelper::GetCurrentlyEditedView() )
+ {
+ // This notification is generated as the result of calling our own
+ // wxTextCtrl method (e.g. WriteText()) and doesn't correspond to any
+ // real focus loss event so skip generating it.
+ return;
+ }
+
+ wxWidgetCocoaImpl* impl = (wxWidgetCocoaImpl* ) wxWidgetImpl::FindFromWXWidget( self );
+ if ( impl )
+ {
+ NSResponder * responder = wxNonOwnedWindowCocoaImpl::GetNextFirstResponder();
+ NSView* otherView = wxOSXGetViewFromResponder(responder);
+
+ wxWidgetImpl* otherWindow = impl->FindBestFromWXWidget(otherView);
+ impl->DoNotifyFocusEvent( false, otherWindow );
+ }
+}
+
+@end
+