Didn't you have the API reference in Xcode ?
+[NSColor setIgnoresAlpha:];
http://developer.apple.com/documentation/Cocoa/Reference/ApplicationKit/Classes/NSColor_Class/Reference/Reference.html#/
/apple_ref/occ/clm/NSColor/setIgnoresAlpha:
If the application doesn't support alpha, no opacity slider is
displayed in the color panel, and colors dragged in or pasted have
their alpha values set to 1.0. Applications that need to import alpha
can invoke this method with flag set to NO and explicitly make colors
opaque in cases where it matters to them. Note that calling this with
a value of YES overrides any value set with the NSColorPanel method
setShowsAlpha:.
Le 13 nov. 08 à 22:41, Jean-Nicolas Jolivet a écrit :
Somehow I was able to have the opacity displayed by using:
[NSColor setIgnoresAlpha:NO];
In my awakeFromNib...
However, I have no idea why/how it is working... is this setting
global for the whole app?
JNJ
On 13-Nov-08, at 4:35 PM, Jean-Nicolas Jolivet wrote:
I have an NSColorWell which I bound to an NSColor object of my
controller, however for some reasons, the color well does not
display an Opacity slider when used in the application... (It does
display it if I change the color in IB though)...
Is there a way I can force the NSColorWell to display its opacity
slider?
Jean-Nicolas Jolivet
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