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Mac Forum / Programming / CodeWarrior / September 2004Tinting a dialog
Hi folks, Here's a good one. The client I'm working for would like the dialogs of their app 'tinted' to indicate their contents - a pale wash of colour over the usual grey (or rippled for Aqua). I don't mind the dialog frame, bittons etc. being unchanged, I just need a translucent tint over the content area. Is this possible without writing a new window definition? It seems like it will be tricky under X with controls drawing their surrounding area, but I could live with it under Classic only. Ta. Rev. Andy > Here's a good one. The client I'm working for would like the dialogs of > their app 'tinted' to indicate their contents - a pale wash of colour [quoted text clipped - 4 lines] > drawing their surrounding area, but I could live with it under Classic > only. Have you considered putting a translucent tinted window on top of it? if it is transparent enough, mouse clicks will go right through. > Here's a good one. The client I'm working for would like the dialogs of > their app 'tinted' to indicate their contents - a pale wash of colour [quoted text clipped - 4 lines] > drawing their surrounding area, but I could live with it under Classic > only. This would be trivial to do with compositing windows in Carbon. In a composited window, the controls don't "draw/erase" their surrounding areas. If composite windows are not an option, it is still possible to put a background brush of a specified color on a window. If you need it to be a tint of of the normal OS X window backgrounds, that'll be trickier and will require patching out the QD bottlenecks on the port to override the erase operation. Search the carbon-dev archives, I've posted code how to put an arbitrary image in the background of an OS X window with controls on top. Bryan > > Here's a good one. The client I'm working for would like the dialogs of > > their app 'tinted' to indicate their contents - a pale wash of colour [quoted text clipped - 16 lines] > posted code how to put an arbitrary image in the background of an OS X > window with controls on top. Turned out that the user was happy with a plain coloured background, so setting the background colour for the window was OK. Sometimes it's simpler than you think. Rev. Andy |
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