/*
* Returns the ID of the font matching the given pattern and stores the height
* of the font (in pixels) in *font_height. die()s if no font matches.
*
*/
int get_font_id(xcb_connection_t *conn, char *pattern, int *font_height) {
xcb_void_cookie_t font_cookie;
xcb_list_fonts_with_info_cookie_t info_cookie;
/* Send all our requests first */
int result;
result = xcb_generate_id(conn);
font_cookie = xcb_open_font_checked(conn, result, strlen(pattern), pattern);
info_cookie = xcb_list_fonts_with_info(conn, 1, strlen(pattern), pattern);
xcb_generic_error_t *error = xcb_request_check(conn, font_cookie);
if (error != NULL) {
fprintf(stderr, "ERROR: Could not open font: %d\n", error->error_code);
exit(1);
}
/* Get information (height/name) for this font */
xcb_list_fonts_with_info_reply_t *reply = xcb_list_fonts_with_info_reply(conn, info_cookie, NULL);
if (reply == NULL)
errx(1, "Could not load font \"%s\"\n", pattern);
*font_height = reply->font_ascent + reply->font_descent;
return result;
}
static
int init_font() {
xcb_void_cookie_t cookie;
xcb_generic_error_t *err;
xcb_list_fonts_with_info_cookie_t info_cookie;
xcb_list_fonts_with_info_reply_t *info;
/* open font */
nil_.font.id = xcb_generate_id(nil_.con);
cookie = xcb_open_font_checked(nil_.con, nil_.font.id,
strlen(cfg_.font_name), cfg_.font_name);
err = xcb_request_check(nil_.con, cookie);
if (err) {
NIL_ERR("open font: %d", err->error_code);
return -1;
}
info_cookie = xcb_list_fonts_with_info(nil_.con, 1,
strlen(cfg_.font_name), cfg_.font_name);
info = xcb_list_fonts_with_info_reply(nil_.con, info_cookie, 0);
if (!info) {
NIL_ERR("load font: %s", cfg_.font_name);
return -1;
}
NIL_LOG("font ascent=%d, descent=%d", info->font_ascent, info->font_descent);
nil_.font.ascent = info->font_ascent;
nil_.font.descent = info->font_descent;
free(info);
return 0;
}
