I had this problem too, and in the end, I found a solution which was to make
sure I had completed my updates of the text, and in my
textStorageDidProcessEditing: method, I add the following:
[[NSRunLoop currentRunLoop] performSelector:@selector(updateSelectedRange:)
target:self.editingView
argument:NSStringFromRange(NSMakeRange(ts.newCaratLocation, 0)) order:0
modes:[NSArray arrayWithObject:NSDefaultRunLoopMode]];
Where I have this method on the view:
- (void)updateSelectedRange:(NSString *)rangeString {
[self setSelectedRange:NSRangeFromString(rangeString)];
}
I found that I had to do it this way because calling it directly from the
textStorageDidProcessEditing: method didn't work, and performWith...afterDelay
didn't move the cursor to where you wanted it when you were typing fast. I also
found that I needed to get it to update its typing attributes based on the new
selection.
Hope this helps.
Regards
Gideon
On 24/03/2010, at 6:04 AM, Ben wrote:
> Hi list.
>
> I've got an NSTextView subclass which implements the NSTextStorage delegate
> method -textStorageWillProcessEditing:. In that method I do syntax
> highlighting and also replace certain substrings with text attachments (a bit
> like Xcode's autocomplete placeholders).
>
> The problem is that the insertion point is always moved to the end of the
> text view each time this method is invoked. It seems to happen whenever I
> modify the attributes of the text, not when I modify the text contents.
>
> Storing the insertion point and restoring it at the end of
> -textStorageWillProcessEditing or in -textStorageDidProcessEditing still
> result in the insertion point being moved to the end sometime later. There
> are other threads online with this problem, but they are old and have no
> solutions.
>
> Does anyone have any suggestions on how to avoid or work around this problem?
>
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