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Using Keyboard Over OpenGL Window Causes Keyboard Flashing

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Matt

Thu Oct 02 2008, 06:40pm

Registered Member #193
Joined: Thu Oct 02 2008, 06:33pm
Posts: 2

I am working with a multitouch application that uses OpenGL for its applications When I move the Comfort On-Screen Keyboard Pro application on top of an of the OpenGL apps I've developed, the keyboard flashes, interchanging a view of the keyboard itself and the OpenGL app behind it. These are fast flashes and makes the on-screen keyboard unusable. I was told by the team that provides us the OpenGL SDK that we have to disable transparency on any app that is going to be shown on top of their OpenGL apps. So, under Options, I turned Background Transparency to Opaque and Common transparency to Opaque. I also made sure that the floating window option was not on and turned its transparency to Opaque anyway. I also changed the transparency slider on the Language tab to be Opaque. Last, I checked the "Native style of the window" box to see if that helped. In some cases for a brief moment, the on-screen keyboard would appear, but after restarting the keyboard app, the flashing problem would reappear.

Further testing showed that if I reset both opacity sliders and leave the keyboard up, then it appears correctly. However, if I close the keyboard window and reopen it, the application flashes until I reset the opacity back to full.

Can you provide me a beta version of the application that will set the app to fully opaque each time the keyboard app is brought up and not reset the opacity.

You can easily see this problem by viewing this application on top Google Earth. Simply place the keyboard on top of Google Earth and then start moving the Google Earth map.

[ Edited Fri Oct 03 2008, 10:31am ]

Comfort

Fri Oct 03 2008, 01:25pm