diff options
Diffstat (limited to 'Source/SPEditSheetTextView.m')
| -rw-r--r-- | Source/SPEditSheetTextView.m | 46 |
1 files changed, 43 insertions, 3 deletions
diff --git a/Source/SPEditSheetTextView.m b/Source/SPEditSheetTextView.m index 83b691c9..bcde1167 100644 --- a/Source/SPEditSheetTextView.m +++ b/Source/SPEditSheetTextView.m @@ -28,7 +28,47 @@ @implementation SPEditSheetTextView -- (void) keyDown:(NSEvent *)theEvent +- (IBAction)undo:(id)sender +{ + textWasChanged = NO; + [[self undoManager] undo]; + // Due to the undoManager implementation it could happen that + // an action will be recoreded which actually didn't change the + // text buffer. That's why repeat undo. + if(!textWasChanged) [[self undoManager] undo]; +} + +- (IBAction)redo:(id)sender +{ + textWasChanged = NO; + [[self undoManager] redo]; + // Due to the undoManager implementation it could happen that + // an action will be recoreded which actually didn't change the + // text buffer. That's why repeat redo. + if(!textWasChanged) [[self undoManager] redo]; +} + +/* + * Validate undo and redo menu items + */ +- (BOOL)validateMenuItem:(NSMenuItem *)menuItem +{ + + if ([menuItem action] == @selector(undo:)) { + return ([[self undoManager] canUndo]); + } + if ([menuItem action] == @selector(redo:)) { + return ([[self undoManager] canRedo]); + } + return YES; +} + +- (void)textDidChange:(NSNotification *)aNotification +{ + textWasChanged = YES; +} + +- (void)keyDown:(NSEvent *)theEvent { long allFlags = (NSShiftKeyMask|NSControlKeyMask|NSAlternateKeyMask|NSCommandKeyMask); @@ -62,9 +102,9 @@ return; } } - + [super keyDown: theEvent]; - + } /* |