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     xcb_font_t id;
00032 
00034     xcb_query_font_reply_t *info;
00035 
00037     xcb_charinfo_t *table;
00038 
00040     int height;
00041 };
00042 
00043 /* Since this file also gets included by utilities which don’t use the i3 log
00044  * infrastructure, we define a fallback. */
00045 #if !defined(ELOG)
00046 #define ELOG(fmt, ...) fprintf(stderr, "ERROR: " fmt, ##__VA_ARGS__)
00047 #endif
00048 
00057 char *root_atom_contents(const char *atomname);
00058 
00064 void *smalloc(size_t size);
00065 
00071 void *scalloc(size_t size);
00072 
00078 void *srealloc(void *ptr, size_t size);
00079 
00085 char *sstrdup(const char *str);
00086 
00092 int sasprintf(char **strp, const char *fmt, ...);
00093 
00099 int ipc_connect(const char *socket_path);
00100 
00109 int ipc_send_message(int sockfd, uint32_t message_size,
00110                      uint32_t message_type, const uint8_t *payload);
00111 
00123 int ipc_recv_message(int sockfd, uint32_t message_type,
00124                      uint32_t *reply_length, uint8_t **reply);
00125 
00132 void fake_configure_notify(xcb_connection_t *conn, xcb_rectangle_t r, xcb_window_t window, int border_width);
00133 
00148 uint32_t get_colorpixel(const char *hex) __attribute__((const));
00149 
00150 #if defined(__APPLE__)
00151 
00152 /*
00153  * Taken from FreeBSD
00154  * Returns a pointer to a new string which is a duplicate of the
00155  * string, but only copies at most n characters.
00156  *
00157  */
00158 char *strndup(const char *str, size_t n);
00159 
00160 #endif
00161 
00170 uint32_t aio_get_mod_mask_for(uint32_t keysym, xcb_key_symbols_t *symbols);
00171 
00179 uint32_t get_mod_mask_for(uint32_t keysym,
00180                            xcb_key_symbols_t *symbols,
00181                            xcb_get_modifier_mapping_reply_t *modmap_reply);
00182 
00188 i3Font load_font(const char *pattern, const bool fallback);
00189 
00194 void set_font(i3Font *font);
00195 
00200 void free_font(void);
00201 
00207 char *convert_ucs2_to_utf8(xcb_char2b_t *text, size_t num_glyphs);
00208 
00216 xcb_char2b_t *convert_utf8_to_ucs2(char *input, size_t *real_strlen);
00217 
00222 void set_font_colors(xcb_gcontext_t gc, uint32_t foreground, uint32_t background);
00223 
00235 void draw_text(char *text, size_t text_len, bool is_ucs2, xcb_drawable_t drawable,
00236         xcb_gcontext_t gc, int x, int y, int max_width);
00237 
00243 int predict_text_width(char *text, size_t text_len, bool is_ucs2);
00244 
00245 #endif