i3
include/libi3.h
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00001 /*
00002  * vim:ts=4:sw=4:expandtab
00003  *
00004  * i3 - an improved dynamic tiling window manager
00005  * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
00006  *
00007  * libi3: contains functions which are used by i3 *and* accompanying tools such
00008  * as i3-msg, i3-config-wizard, …
00009  *
00010  */
00011 #ifndef _LIBI3_H
00012 #define _LIBI3_H
00013 
00014 #include <stdbool.h>
00015 #include <stdarg.h>
00016 #include <stdio.h>
00017 #include <xcb/xcb.h>
00018 #include <xcb/xproto.h>
00019 #include <xcb/xcb_keysyms.h>
00020 
00021 typedef struct Font i3Font;
00022 
00029 struct Font {
00031     int height;
00033     xcb_font_t id;
00034 };
00035 
00036 /* Since this file also gets included by utilities which don’t use the i3 log
00037  * infrastructure, we define a fallback. */
00038 #if !defined(ELOG)
00039 #define ELOG(fmt, ...) fprintf(stderr, "ERROR: " fmt, ##__VA_ARGS__)
00040 #endif
00041 
00049 char *socket_path_from_x11();
00050 
00056 void *smalloc(size_t size);
00057 
00063 void *scalloc(size_t size);
00064 
00070 void *srealloc(void *ptr, size_t size);
00071 
00077 char *sstrdup(const char *str);
00078 
00084 int sasprintf(char **strp, const char *fmt, ...);
00085 
00091 int ipc_connect(const char *socket_path);
00092 
00101 int ipc_send_message(int sockfd, uint32_t message_size,
00102                      uint32_t message_type, const uint8_t *payload);
00103 
00115 int ipc_recv_message(int sockfd, uint32_t message_type,
00116                      uint32_t *reply_length, uint8_t **reply);
00117 
00124 void fake_configure_notify(xcb_connection_t *conn, xcb_rectangle_t r, xcb_window_t window, int border_width);
00125 
00140 uint32_t get_colorpixel(const char *hex) __attribute__((const));
00141 
00142 #if defined(__APPLE__)
00143 
00144 /*
00145  * Taken from FreeBSD
00146  * Returns a pointer to a new string which is a duplicate of the
00147  * string, but only copies at most n characters.
00148  *
00149  */
00150 char *strndup(const char *str, size_t n);
00151 
00152 #endif
00153 
00162 uint32_t aio_get_mod_mask_for(uint32_t keysym, xcb_key_symbols_t *symbols);
00163 
00171 uint32_t get_mod_mask_for(uint32_t keysym,
00172                            xcb_key_symbols_t *symbols,
00173                            xcb_get_modifier_mapping_reply_t *modmap_reply);
00174 
00180 i3Font load_font(const char *pattern, bool fallback);
00181 
00182 #endif