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Save undo sequences for only LAST auto-completion selected or UNDO on cancelled auto-completion
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/branches/gnustep_testplant_branch@37051 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Marcian Lytwyn
parent
2929f8aed8
commit
a9e4f72f54
3 changed files with 99 additions and 83 deletions
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@ -2653,34 +2653,34 @@ TextDidEndEditing notification _without_ asking the delegate
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replacementString: (NSString *)replacementString
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{
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BOOL result = YES;
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if (_tf.is_editable == NO)
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return NO;
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/*
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We need to send the textShouldBeginEditing: /
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textDidBeginEditingNotification only once.
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*/
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We need to send the textShouldBeginEditing: /
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textDidBeginEditingNotification only once.
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*/
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if (BEGAN_EDITING == NO)
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{
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if (([_delegate respondsToSelector: @selector(textShouldBeginEditing:)])
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&& ([_delegate textShouldBeginEditing: _notifObject] == NO))
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return NO;
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&& ([_delegate textShouldBeginEditing: _notifObject] == NO))
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return NO;
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SET_BEGAN_EDITING(YES);
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[notificationCenter postNotificationName: NSTextDidBeginEditingNotification
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object: _notifObject];
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object: _notifObject];
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}
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if (_tf.delegate_responds_to_should_change)
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{
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result = [_delegate textView: self
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shouldChangeTextInRange: affectedCharRange
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replacementString: replacementString];
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shouldChangeTextInRange: affectedCharRange
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replacementString: replacementString];
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}
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if (result && [self allowsUndo])
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{
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NSUndoManager *undo;
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@ -2690,62 +2690,69 @@ TextDidEndEditing notification _without_ asking the delegate
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BOOL isTyping;
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NSEvent *event;
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static BOOL undoManagerCanCoalesce = NO;
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{
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// FIXME This code (together with undoManagerCanCoalesce) is a
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// temporary workaround to allow using an out of date version of
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// base. Removed this upon the next release of base.
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static BOOL didCheck = NO;
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if (!didCheck)
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{
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undoManagerCanCoalesce =
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[NSUndoManager instancesRespondToSelector:
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@selector(_canCoalesceUndoWithTarget:selector:object:)];
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if (!undoManagerCanCoalesce)
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{
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NSLog(@"This version of NSUndoManager does not\n"
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@"support coalescing undo operations. "
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@"Upgrade gnustep-base to r29163 or newer to\n"
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@"get rid of this one-time warning.");
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}
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didCheck = YES;
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}
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// FIXME This code (together with undoManagerCanCoalesce) is a
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// temporary workaround to allow using an out of date version of
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// base. Removed this upon the next release of base.
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static BOOL didCheck = NO;
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if (!didCheck)
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{
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undoManagerCanCoalesce =
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[NSUndoManager instancesRespondToSelector:
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@selector(_canCoalesceUndoWithTarget:selector:object:)];
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if (!undoManagerCanCoalesce)
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{
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NSLog(@"This version of NSUndoManager does not\n"
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@"support coalescing undo operations. "
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@"Upgrade gnustep-base to r29163 or newer to\n"
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@"get rid of this one-time warning.");
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}
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didCheck = YES;
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}
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}
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undo = [self undoManager];
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/* Coalesce consecutive typing events into a single undo action using
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currently private undo manager functionality. An event is considered
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a typing event if it is a keyboard event and the event's characters
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match our replacement string.
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Note: Typing events are coalesced only when the previous action was
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a typing event too and the current character follows the previous one
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immediately. We never coalesce actions when the current selection is
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not empty. */
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event = [NSApp currentEvent];
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isTyping = [event type] == NSKeyDown
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&& [[event characters] isEqualToString: replacementString];
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currently private undo manager functionality. An event is considered
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a typing event if it is a keyboard event and the event's characters
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match our replacement string.
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Note: Typing events are coalesced only when the previous action was
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a typing event too and the current character follows the previous one
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immediately. We never coalesce actions when the current selection is
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not empty. */
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event = [NSApp currentEvent];
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isTyping = (([event type] == NSKeyDown) &&
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([[event characters] isEqualToString: replacementString]));
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if (undoManagerCanCoalesce && _undoObject)
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{
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undoRange = [_undoObject range];
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if (isTyping &&
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NSMaxRange(undoRange) == affectedCharRange.location &&
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affectedCharRange.length == 0 &&
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[undo _canCoalesceUndoWithTarget: _textStorage
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selector: @selector(_undoTextChange:)
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object: _undoObject])
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{
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undoRange.length += [replacementString length];
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[_undoObject setRange: undoRange];
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return result;
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}
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DESTROY(_undoObject);
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{
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if ([undo _canCoalesceUndoWithTarget: _textStorage
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selector: @selector(_undoTextChange:)
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object: _undoObject])
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{
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undoRange = [_undoObject range];
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if (isTyping &&
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NSMaxRange(undoRange) == affectedCharRange.location &&
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affectedCharRange.length == 0)
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{
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undoRange.length += [replacementString length];
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[_undoObject setRange: undoRange];
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return result;
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}
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else if (_tf.isAutoCompleting == 2)
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{
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[_undoObject setRange: affectedCharRange];
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return result;
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}
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DESTROY(_undoObject);
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}
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}
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// The length of the undoRange is the length of the replacement, if any.
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if (replacementString != nil)
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{
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undoRange = NSMakeRange(affectedCharRange.location,
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undoRange = NSMakeRange(affectedCharRange.location,
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[replacementString length]);
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}
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else
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@ -2753,19 +2760,21 @@ TextDidEndEditing notification _without_ asking the delegate
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undoRange = affectedCharRange;
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}
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undoString = [self attributedSubstringFromRange: affectedCharRange];
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undoObject =
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[[NSTextViewUndoObject alloc] initWithRange: undoRange
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attributedString: undoString];
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[[NSTextViewUndoObject alloc] initWithRange: undoRange
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attributedString: undoString];
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[undo registerUndoWithTarget: _textStorage
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selector: @selector(_undoTextChange:)
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object: undoObject];
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if (isTyping)
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_undoObject = undoObject;
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selector: @selector(_undoTextChange:)
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object: undoObject];
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if (isTyping || _tf.isAutoCompleting)
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_undoObject = undoObject;
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else
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RELEASE(undoObject);
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RELEASE(undoObject);
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if (_tf.isAutoCompleting == 1)
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_tf.isAutoCompleting = 2;
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}
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return result;
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}
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@ -6022,7 +6031,9 @@ configuation! */
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range.location != NSNotFound && range.length != 0)
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{
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GSAutocompleteWindow *window = [GSAutocompleteWindow defaultWindow];
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_tf.isAutoCompleting = 1;
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[window displayForTextView: self];
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_tf.isAutoCompleting = 0;
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}
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}
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