added "wm_hack" feature: press shift lock over a window and spin the mouse wheel to change the window opacity.
added "wm_hack" feature:
press shift lock over a window and spin the mouse wheel to change the window
opacity.

kevleyski/directfb,djbclark/directfb-core-DirectFB,kevleyski/DirectFB-1,DirectFB/directfb,jcdubois/DirectFB,deniskropp/DirectFB,lancebaiyouview/DirectFB,mtsekm/test,kevleyski/DirectFB-1,jcdubois/DirectFB,deniskropp/DirectFB,kevleyski/directfb,sklnet/DirectFB,kevleyski/DirectFB-1,kaostao/directfb,djbclark/directfb-core-DirectFB,djbclark/directfb-core-DirectFB,sklnet/DirectFB,DirectFB/directfb,kevleyski/directfb,kaostao/directfb,sklnet/DirectFB,DirectFB/directfb,kevleyski/directfb,kevleyski/DirectFB-1,kaostao/directfb,lancebaiyouview/DirectFB,deniskropp/DirectFB,mtsekm/test,sklnet/DirectFB,Distrotech/DirectFB,djbclark/directfb-core-DirectFB,dfbdok/DirectFB1,jcdubois/DirectFB,deniskropp/DirectFB,Distrotech/DirectFB,dfbdok/DirectFB1,Distrotech/DirectFB,mtsekm/test,dfbdok/DirectFB1,lancebaiyouview/DirectFB,lancebaiyouview/DirectFB