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