Merge branch 'master' into next

[i3/i3] / include / libi3.h

diff --git a/include/libi3.h b/include/libi3.h
index 54fa0cc730a6e4e83e174f6c2762aa4b20edae1d..3815777b49b713ec6679b6c628949fe6ca69e137 100644 (file)
--- a/include/libi3.h
+++ b/include/libi3.h
@@ -2,14 +2,13 @@
  * vim:ts=4:sw=4:expandtab
  *
  * i3 - an improved dynamic tiling window manager
- * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
+ * © 2009-2013 Michael Stapelberg and contributors (see also: LICENSE)
  *
  * libi3: contains functions which are used by i3 *and* accompanying tools such
  * as i3-msg, i3-config-wizard, …
  *
  */
-#ifndef I3_LIBI3_H
-#define I3_LIBI3_H
+#pragma once
 
 #include <stdbool.h>
 #include <stdarg.h>
@@ -47,6 +46,9 @@ struct Font {
     /** The height of the font, built from font_ascent + font_descent */
     int height;
 
+    /** The pattern/name used to load the font. */
+    char *pattern;
+
     union {
         struct {
             /** The xcb-id for the font */
@@ -69,23 +71,33 @@ struct Font {
 /* Since this file also gets included by utilities which don’t use the i3 log
  * infrastructure, we define a fallback. */
 #if !defined(LOG)
-void verboselog(char *fmt, ...);
+void verboselog(char *fmt, ...)
+    __attribute__ ((format (printf, 1, 2)));
 #define LOG(fmt, ...) verboselog("[libi3] " __FILE__ " " fmt, ##__VA_ARGS__)
 #endif
 #if !defined(ELOG)
-void errorlog(char *fmt, ...);
+void errorlog(char *fmt, ...)
+    __attribute__ ((format (printf, 1, 2)));
 #define ELOG(fmt, ...) errorlog("[libi3] ERROR: " fmt, ##__VA_ARGS__)
 #endif
+#if !defined(DLOG)
+void debuglog(char *fmt, ...)
+    __attribute__ ((format (printf, 1, 2)));
+#define DLOG(fmt, ...) debuglog("%s:%s:%d - " fmt, I3__FILE__, __FUNCTION__, __LINE__, ##__VA_ARGS__)
+#endif
 
 /**
  * Try to get the contents of the given atom (for example I3_SOCKET_PATH) from
  * the X11 root window and return NULL if it doesn’t work.
  *
+ * If the provided XCB connection is NULL, a new connection will be
+ * established.
+ *
  * The memory for the contents is dynamically allocated and has to be
  * free()d by the caller.
  *
  */
-char *root_atom_contents(const char *atomname);
+char *root_atom_contents(const char *atomname, xcb_connection_t *provided_conn, int screen);
 
 /**
  * Safe-wrapper around malloc which exits if malloc returns NULL (meaning that
@@ -202,8 +214,8 @@ int ipc_connect(const char *socket_path);
  * Returns 0 on success.
  *
  */
-int ipc_send_message(int sockfd, uint32_t message_size,
-                     uint32_t message_type, const uint8_t *payload);
+int ipc_send_message(int sockfd, const uint32_t message_size,
+                     const uint32_t message_type, const uint8_t *payload);
 
 /**
  * Reads a message from the given socket file descriptor and stores its length
@@ -216,7 +228,7 @@ int ipc_send_message(int sockfd, uint32_t message_size,
  * Returns 0 on success.
  *
  */
-int ipc_recv_message(int sockfd, uint32_t message_type,
+int ipc_recv_message(int sockfd, uint32_t *message_type,
                      uint32_t *reply_length, uint8_t **reply);
 
 /**
@@ -361,4 +373,11 @@ bool is_debug_build() __attribute__((const));
  */
 char *get_process_filename(const char *prefix);
 
-#endif
+/**
+ * This function returns the absolute path to the executable it is running in.
+ *
+ * The implementation follows http://stackoverflow.com/a/933996/712014
+ *
+ * Returned value must be freed by the caller.
+ */
+char *get_exe_path(const char *argv0);