Copy paste from : http://www.faqs.org/faqs/x-faq/part7/ Subject: 175) How do I create a transparent window? A completely transparent window is easy to get -- use an InputOnly window. In order to create a window which is *mostly* transparent, you have several choices: - the SHAPE extension first released with X11R4 offers an easy way to make non-rectangular windows, so you can set the shape of the window to fit the areas where the window should be nontransparent; however, not all servers support the extension. - a machine-specific method of implementing transparent windows for particular servers is to use an overlay plane supported by the hardware. Note that there is no X notion of a "transparent color index". - a generally portable solution is to use a large number of tiny windows, but this makes operating on the application as a unit difficult. - a final answer is to consider whether you really need a transparent window or if you would be satisfied with being able to overlay your application window with information; if so, you can draw into separate bitplanes in colors that will appear properly.
[thanks to der Mouse, [EMAIL PROTECTED], 3/92; see also The X Journal 1:4 for a more complete answer, including code samples for this last option] On Mon, Mar 17, 2008 at 4:17 PM, Graeme Geldenhuys <[EMAIL PROTECTED]> wrote: > Hi, > > Anybody know how to use Xlib API to create transparent windows? This > is for use with fpGUI Toolkit. For example. I have a Label component > (which is actually a mini window) and have to always specify and paint > a background color. If I don't, I see all kinds of rubbish as the > background. > > I want to place the Label component/window on another window (Form), > and only want to see the text of the label. The background window must > show through. Any ideas? > > > Regards, > - Graeme - > > > _______________________________________________ > fpGUI - a cross-platform Free Pascal GUI toolkit > http://opensoft.homeip.net/fpgui/ > _______________________________________________ > fpc-pascal maillist - fpc-pascal@lists.freepascal.org > http://lists.freepascal.org/mailman/listinfo/fpc-pascal > -- http://ik.homelinux.org/ _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
