Cocoa - Core Animation - How to stop proxy animation? -


i have nswindow fade in invisible full opacity, on custom time, using animator proxy:

[nsanimationcontext begingrouping]; [[nsanimationcontext currentcontext] setduration:1.0f]; // custom timing, 1 sec. [[mywindow animator] setalphavalue: 1.0f]; [nsanimationcontext endgrouping];

however, if attempt set window's visibility while animation proceeding, animation not stopped. in following example, window briefly appear @ 0.5 visibility, continue animate.

e.g.

[mywindow setalphavalue: 0.5f];  // animation continues after calling this.

q. how can stop animation?

thanks.

i've got application pretty (the menu bar covering window in shroud) , answering question found bug in it—although animations 0.1s never triggered in practice. thanks. :-)

animation durations of 0s special-cased behave setting alpha value directly, can't use them, can use small duration, this, create new animation supersedes in-progress one:

[nsanimationcontext begingrouping]; [[nsanimationcontext currentcontext] setduration:0.01]; [[mywindow animator] setalphavalue:0.5]; [nsanimationcontext endgrouping];

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