libi3/get_visualtype.c


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/*
 * vim:ts=4:sw=4:expandtab
 *
 * i3 - an improved dynamic tiling window manager
 * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
 *
 */
#include "libi3.h"

/*
 * Returns the visual type associated with the given screen.
 *
 */
xcb_visualtype_t *get_visualtype(xcb_screen_t *screen) {
    xcb_depth_iterator_t depth_iter;
    for (depth_iter = xcb_screen_allowed_depths_iterator(screen);
         depth_iter.rem;
         xcb_depth_next(&depth_iter)) {
        xcb_visualtype_iterator_t visual_iter;
        for (visual_iter = xcb_depth_visuals_iterator(depth_iter.data);
             visual_iter.rem;
             xcb_visualtype_next(&visual_iter)) {
            if (screen->root_visual == visual_iter.data->visual_id) {
                return visual_iter.data;
            }
        }
    }
    return NULL;
}