75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
/*
|
|
* vim:ts=4:sw=4:expandtab
|
|
*
|
|
* i3 - an improved dynamic tiling window manager
|
|
*
|
|
* © 2009-2011 Michael Stapelberg and contributors
|
|
*
|
|
* See file LICENSE for license information.
|
|
*
|
|
*/
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdbool.h>
|
|
#include <err.h>
|
|
|
|
#include "libi3.h"
|
|
|
|
extern xcb_connection_t *conn;
|
|
|
|
/*
|
|
* Loads a font for usage, also getting its height. If fallback is true,
|
|
* the fonts 'fixed' or '-misc-*' will be loaded instead of exiting.
|
|
*
|
|
*/
|
|
i3Font load_font(const char *pattern, bool fallback) {
|
|
i3Font font;
|
|
xcb_void_cookie_t font_cookie;
|
|
xcb_list_fonts_with_info_cookie_t info_cookie;
|
|
xcb_list_fonts_with_info_reply_t *info_reply;
|
|
xcb_generic_error_t *error;
|
|
|
|
/* Send all our requests first */
|
|
font.id = xcb_generate_id(conn);
|
|
font_cookie = xcb_open_font_checked(conn, font.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. */
|
|
error = xcb_request_check(conn, font_cookie);
|
|
|
|
/* If we fail to open font, fall back to 'fixed' */
|
|
if (fallback && error != NULL) {
|
|
ELOG("Could not open font %s (X error %d). Trying fallback to 'fixed'.\n",
|
|
pattern, error->error_code);
|
|
pattern = "fixed";
|
|
font_cookie = xcb_open_font_checked(conn, font.id, strlen(pattern), pattern);
|
|
info_cookie = xcb_list_fonts_with_info(conn, 1, strlen(pattern), pattern);
|
|
|
|
/* Check if we managed to open 'fixed' */
|
|
error = xcb_request_check(conn, font_cookie);
|
|
|
|
/* Fall back to '-misc-*' if opening 'fixed' fails. */
|
|
if (error != NULL) {
|
|
ELOG("Could not open fallback font 'fixed', trying with '-misc-*'.\n");
|
|
pattern = "-misc-*";
|
|
font_cookie = xcb_open_font_checked(conn, font.id, strlen(pattern), pattern);
|
|
info_cookie = xcb_list_fonts_with_info(conn, 1, strlen(pattern), pattern);
|
|
|
|
if ((error = xcb_request_check(conn, font_cookie)) != NULL)
|
|
errx(EXIT_FAILURE, "Could open neither requested font nor fallbacks "
|
|
"(fixed or -misc-*): X11 error %d", error->error_code);
|
|
}
|
|
}
|
|
|
|
/* Get information (height/name) for this font */
|
|
if (!(info_reply = xcb_list_fonts_with_info_reply(conn, info_cookie, NULL)))
|
|
errx(EXIT_FAILURE, "Could not load font \"%s\"", pattern);
|
|
|
|
font.height = info_reply->font_ascent + info_reply->font_descent;
|
|
|
|
free(info_reply);
|
|
|
|
return font;
|
|
}
|