Re: Catalina scroll view issues

2019-12-14 Thread Allan Odgaard via Cocoa-dev
On 14 Dec 2019, at 21:16, Redler Eyal via Cocoa-dev wrote: I'm getting reports from users complaining about a strange display issue on Catalina with my app. […] The problem is that when with some documents, sometimes, when the user scrolls down the document, some pages are not drawn or even

Re: Catalina scroll view issues

2019-12-14 Thread Rob Petrovec via Cocoa-dev
From https://developer.apple.com/documentation/appkit/nsclipview/1532142-copiesonscroll?language=objc copiesOnScroll A Boolean value that indicates if the clip view copies rendered images while scrolling. Discussion When the value of this property is YES, the clip view copies its existing

Re: Catalina scroll view issues

2019-12-14 Thread Gary L. Wade via Cocoa-dev
I see from your personal web site you know Hebrew. Is it possible the affected/non-drawing pages contain some RTL text while those that don’t only contain LTR? I have seen some bugs with RTL text within NSTextView where the text was/wasn’t drawing in a similar manner. Do you operate at a

Catalina scroll view issues

2019-12-14 Thread Redler Eyal via Cocoa-dev
Hi All, I'm getting reports from users complaining about a strange display issue on Catalina with my app. My app is a word-processor (not based on the cocoa text system) whose main display shows the pages of the document. Every page is a separate view and all the pages are subviews of one big