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Add libi3/load_font, use it everywhere

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…except for i3bar, which needs slightly more information about the font
This commit is contained in:
Michael Stapelberg
2011-10-23 22:37:11 +01:00
parent 6d01d37b03
commit a58018cf66
16 changed files with 137 additions and 203 deletions
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51
src/xcb.c
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@ -11,57 +11,6 @@
unsigned int xcb_numlock_mask;
/*
* Loads a font for usage, also getting its height. If fallback is true,
* i3 loads 'fixed' or '-misc-*' if the font cannot be found instead of
* exiting.
*
*/
i3Font load_font(const char *pattern, bool fallback) {
i3Font new;
xcb_void_cookie_t font_cookie;
xcb_list_fonts_with_info_cookie_t info_cookie;
/* Send all our requests first */
new.id = xcb_generate_id(conn);
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 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 (fallback && 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);
exit_if_null(reply, "Could not load font \"%s\"\n", pattern);
new.height = reply->font_ascent + reply->font_descent;
free(reply);
return new;
}
/*
* Convenience wrapper around xcb_create_window which takes care of depth, generating an ID and checking
* for errors.