Hello Everyone, I working on DFB 1.2.7 and noticed that with the "default" windowmanager that the windows "smear" when they move. A little digging revealed that the culprit is the CoreWindowStack background mode set to DLBM_DONTCARE. In wm/default/default.c, the function draw_background seems capable of DLBM_DONTCARE, DLBM_COLOR, DLBM_IMAGE, and DLBM_TILE. It just requires the mode to be properly set.
Tracking down the background mode, I found that it was set in src/core/windowstack.c in dfb_windowstack_create(). It is initialized to DLBM_DONTCARE. However, I don't see any way of informing the window manager what I want to use. I want DLBM_COLOR with a transparent color. Short of modifying default.c, is there any way of telling the window manager what background mode/color I want? I assume it would be by using the directfbrc options "layer-bg-color", "layer-bg-image", etc, but I don't see how exactly. Thanks, Bryce Poole Intel Corporation
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