diff --git a/awesome.c b/awesome.c index 6df2f02c7..ef3fef854 100644 --- a/awesome.c +++ b/awesome.c @@ -157,7 +157,7 @@ scan(void) } static xcb_visualtype_t * -screen_default_visual(xcb_screen_t *s) +a_default_visual(xcb_screen_t *s) { xcb_depth_iterator_t depth_iter = xcb_screen_allowed_depths_iterator(s); @@ -171,6 +171,36 @@ screen_default_visual(xcb_screen_t *s) return NULL; } +static xcb_visualtype_t * +a_argb_visual(xcb_screen_t *s) +{ + xcb_depth_iterator_t depth_iter = xcb_screen_allowed_depths_iterator(s); + + if(depth_iter.data) + for(; depth_iter.rem; xcb_depth_next (&depth_iter)) + if(depth_iter.data->depth == 32) + for(xcb_visualtype_iterator_t visual_iter = xcb_depth_visuals_iterator(depth_iter.data); + visual_iter.rem; xcb_visualtype_next (&visual_iter)) + return visual_iter.data; + + return NULL; +} + +static uint8_t +a_visual_depth(xcb_screen_t *s, xcb_visualid_t vis) +{ + xcb_depth_iterator_t depth_iter = xcb_screen_allowed_depths_iterator(s); + + if(depth_iter.data) + for(; depth_iter.rem; xcb_depth_next (&depth_iter)) + for(xcb_visualtype_iterator_t visual_iter = xcb_depth_visuals_iterator(depth_iter.data); + visual_iter.rem; xcb_visualtype_next (&visual_iter)) + if(vis == visual_iter.data->visual_id) + return depth_iter.data->depth; + + fatal("Could not find a visual's depth"); +} + static void a_refresh_cb(EV_P_ ev_prepare *w, int revents) { @@ -374,9 +404,19 @@ main(int argc, char **argv) fatal("cannot open display"); globalconf.screen = xcb_aux_get_screen(globalconf.connection, globalconf.default_screen); - globalconf.visual = screen_default_visual(globalconf.screen); - globalconf.default_depth = globalconf.screen->root_depth; + globalconf.visual = a_argb_visual(globalconf.screen); + if(!globalconf.visual) + globalconf.visual = a_default_visual(globalconf.screen); + globalconf.default_depth = a_visual_depth(globalconf.screen, globalconf.visual->visual_id); globalconf.default_cmap = globalconf.screen->default_colormap; + if(globalconf.default_depth != globalconf.screen->root_depth) + { + // We need our own color map if we aren't using the default depth + globalconf.default_cmap = xcb_generate_id(globalconf.connection); + xcb_create_colormap(globalconf.connection, XCB_COLORMAP_ALLOC_NONE, + globalconf.default_cmap, globalconf.screen->root, + globalconf.visual->visual_id); + } /* Prefetch all the extensions we might need */ xcb_prefetch_extension_data(globalconf.connection, &xcb_big_requests_id);