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Simplify the new drag and drop implementation for NSTextView and fix

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some corner cases.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@27129 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Wolfgang Lux 2008-11-24 21:58:42 +00:00
parent 7e739d6fa3
commit d1514c3ce1
1 changed files with 12 additions and 19 deletions
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31
Source/NSTextView.m
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@ -2580,10 +2580,6 @@ Returns the ranges to which various kinds of user changes should apply.
return NSMakeRange(NSNotFound, 0);
}
if (_dragTargetLocation != NSNotFound)
{
return NSMakeRange(_dragTargetLocation, 0);
}
return _layoutManager->_selected_range;
}
@ -4555,6 +4551,8 @@ other than copy/paste or dragging. */
flags = NSDragOperationNone;
}
}
else if (_dragTargetLocation != NSNotFound)
[self _draggingReleaseInsertionPoint];
return flags;
}
@ -4586,17 +4584,14 @@ other than copy/paste or dragging. */
flags = NSDragOperationNone;
}
}
else if (_dragTargetLocation != NSNotFound)
[self _draggingReleaseInsertionPoint];
return flags;
}
- (void) draggingExited: (id <NSDraggingInfo>)sender
{
NSPasteboard *pboard = [sender draggingPasteboard];
NSArray *types = [self readablePasteboardTypes];
NSString *type = [self preferredPasteboardTypeFromArray: [pboard types]
restrictedToTypesFromArray: types];
if (_dragTargetLocation != NSNotFound
&& ![type isEqual:NSColorPboardType])
if (_dragTargetLocation != NSNotFound)
{
[self _draggingReleaseInsertionPoint];
}
@ -4609,27 +4604,25 @@ other than copy/paste or dragging. */
- (BOOL) performDragOperation: (id <NSDraggingInfo>)sender
{
NSRange sourceRange = [self selectedRange];
NSRange changeRange = NSMakeRange(_dragTargetLocation, 0);
[self _draggingReleaseInsertionPoint];
[self setSelectedRange: changeRange];
if ([sender draggingSource] == self &&
([sender draggingSourceOperationMask] & NSDragOperationGeneric))
{
NSRange changeRange = [self selectedRange];
if (![self shouldChangeTextInRange: changeRange replacementString: @""])
if (![self shouldChangeTextInRange: sourceRange replacementString: @""])
{
[self _draggingReleaseInsertionPoint];
return NO;
}
if (_dragTargetLocation >= NSMaxRange(changeRange))
_dragTargetLocation -= changeRange.length;
else if (_dragTargetLocation >= changeRange.location)
_dragTargetLocation = changeRange.location;
[self replaceCharactersInRange: changeRange withString: @""];
[self replaceCharactersInRange: sourceRange withString: @""];
}
return [self readSelectionFromPasteboard: [sender draggingPasteboard]];
}
- (void) concludeDragOperation: (id <NSDraggingInfo>)sender
{
[self _draggingReleaseInsertionPoint];
}
- (void) cleanUpAfterDragOperation