Me again,
I found a solution!
Im switching Tab-Pages with selectTabViewItemWithIdentifier: After
switching, I sent a Notification that a switch occurred thereby
stopping all animations and hiding the TextLayer. This was the first
mistake. Now I send the notification first, then switching the Tab-Page.
The second mistake was: I hid the CATextLayer with "setHidden:YES".
But this triggers an implicit animation which takes some time. So I
had to disable animation first:
[CATransaction begin];
[CATransaction setValue:(id)kCFBooleanTrue
forKey:kCATransactionDisableActions];
[textLayer setHidden:YES];
[CATransaction commit];
Now it works flawlessly
regards
Joachim
Am 09.04.2008 um 14:15 schrieb Joachim Deelen:
Hi All,
Maybe someone can Help Me?!
I've created a NSTabView with two Pages (NSTabViewItems). On the
second Page I got a Custom-View, that is hosting a Layer-Tree. This
tree consist of a CATextLayer, within a CAScrollLayer, within a
CALayer. The CALayer is the Root-Layer of the View.
When I switch to the second Page, everything works as expected. But
after switching back to the first Page, the Text within the
CATextLayer remains displayed for about one second thereby
disturbing the appearance of the first page.
I've tried to hide the View, before switching the pages. I stop
every Animation of the Layers immediately before the switch actually
happens. I even tried to set the opacity of the Layers to 0.0 (and
called setNeedsDisplay) but to no avail.
Functionality of both Pages is as expected, but the short remains of
the Text are really annoying.
regards
Joachim Deelen
AQUARIUS-software
http://www.aquarius-software.de
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Joachim Deelen
AQUARIUS-software
http://www.aquarius-software.de
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