Fallback fonts for when requesting a erronous font with load_font (e.g. user have specified a font which does not exist in the config file).

This commit is contained in:
Simon Kampe 2011-03-09 21:43:50 +01:00 committed by Michael Stapelberg
parent 2524b5262d
commit 6e4a2b0b96
1 changed files with 23 additions and 1 deletions

View File

@ -37,7 +37,29 @@ i3Font *load_font(xcb_connection_t *conn, const char *pattern) {
font_cookie = xcb_open_font_checked(conn, new->id, strlen(pattern), pattern);
info_cookie = xcb_list_fonts_with_info(conn, 1, strlen(pattern), pattern);
check_error(conn, font_cookie, "Could not open font");
/* Check for errors. If errors, fall back to default font. */
xcb_generic_error_t *error = xcb_request_check(conn, font_cookie);
/* If we fail to open font, fall back to 'fixed'. If opening 'fixed' fails fall back to '-misc-*' */
if (error != NULL) {
ELOG("Could not open font %s (X error %d). Reverting to backup font.\n", pattern, error->error_code);
pattern = "fixed";
font_cookie = xcb_open_font_checked(conn, new->id, strlen(pattern), pattern);
info_cookie = xcb_list_fonts_with_info(conn, 1, strlen(pattern), pattern);
/* Check if we managed to open 'fixed' */
xcb_generic_error_t *error = xcb_request_check(conn, font_cookie);
/* Fall back to '-misc-*' if opening 'fixed' fails. */
if (error != NULL) {
ELOG("Could not open fallback font '%s', trying with '-misc-*'\n",pattern);
pattern = "-misc-*";
font_cookie = xcb_open_font_checked(conn, new->id, strlen(pattern), pattern);
info_cookie = xcb_list_fonts_with_info(conn, 1, strlen(pattern), pattern);
check_error(conn, font_cookie, "Could open neither requested font nor fallback (fixed or -misc-*");
}
}
/* 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);