/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
* © 2009 Michael Stapelberg and contributors (see also: LICENSE)
*
* i3-config-wizard: Program to convert configs using keycodes to configs using
* keysyms.
*
*/
#include <config.h>
#include "libi3.h"
#if defined(__FreeBSD__)
#include <sys/param.h>
#endif
/* For systems without getline, fall back to fgetln */
#if defined(__APPLE__)
#define USE_FGETLN
#elif defined(__FreeBSD__)
/* Defining this macro before including stdio.h is necessary in order to have
* a prototype for getline in FreeBSD. */
#define _WITH_GETLINE
#endif
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <xcb/xcb.h>
#include <xcb/xcb_aux.h>
#include <xcb/xcb_event.h>
#include <xcb/xcb_keysyms.h>
#include <xkbcommon/xkbcommon-x11.h>
#include <xkbcommon/xkbcommon.h>
#define SN_API_NOT_YET_FROZEN 1
#include <libsn/sn-launchee.h>
#include <X11/XKBlib.h>
#include <X11/Xlib.h>
#include <X11/keysym.h>
#include "i3-config-wizard-atoms.xmacro.h"
/* We need SYSCONFDIR for the path to the keycode config template, so raise an
* error if it’s not defined for whatever reason */
#ifndef SYSCONFDIR
#error "SYSCONFDIR not defined"
#endif
#define FREE(pointer) \
do { \
free(pointer); \
pointer = NULL; \
} while (0)
#include "xcb.h"
xcb_visualtype_t *visual_type = NULL;
#define TEXT_PADDING logical_px(4)
#define WIN_POS_X logical_px(490)
#define WIN_POS_Y logical_px(297)
#define WIN_WIDTH logical_px(300)
#define WIN_HEIGHT (15 * font.height + TEXT_PADDING)
#define col_x(col) \
(((col)-1) * char_width + TEXT_PADDING)
#define row_y(row) \
(((row)-1) * font.height + TEXT_PADDING)
enum { STEP_WELCOME,
STEP_GENERATE } current_step = STEP_WELCOME;
enum { MOD_Mod1,
MOD_Mod4 } modifier = MOD_Mod4;
static char *config_path;
static uint32_t xcb_numlock_mask;
xcb_connection_t *conn;
static xcb_key_symbols_t *keysyms;
xcb_screen_t *root_screen;
static xcb_get_modifier_mapping_reply_t *modmap_reply;
static i3Font font;
static i3Font bold_font;
static int char_width;
static char *socket_path = NULL;
static xcb_window_t win;
static surface_t surface;
static xcb_key_symbols_t *symbols;
xcb_window_t root;
static struct xkb_keymap *xkb_keymap;
static uint8_t xkb_base_event;
static uint8_t xkb_base_error;
static void finish(void);
#include "GENERATED_config_enums.h"
typedef struct token {
char *name;
char *identifier;
/* This might be __CALL */
cmdp_state next_state;
union {
uint16_t call_identifier;
} extra;
} cmdp_token;
typedef struct tokenptr {
cmdp_token *array;
int n;
} cmdp_token_ptr;
#include "GENERATED_config_tokens.h"
static cmdp_state state;
/* A list which contains the states that lead to the current state, e.g.
* INITIAL, WORKSPACE_LAYOUT.
* When jumping back to INITIAL, statelist_idx will simply be set to 1
* (likewise for other states, e.g. MODE or BAR).
* This list is used to process the nearest error token. */
static cmdp_state statelist[10] = {INITIAL};
/* NB: statelist_idx points to where the next entry will be inserted */
static int statelist_idx = 1;
struct stack_entry {
/* Just a pointer, not dynamically allocated. */
const char *identifier;
enum {
STACK_STR = 0,
STACK_LONG = 1,
} type;
union {
char *str;
long num;
} val;
};
/* 10 entries should be enough for everybody. */
static struct stack_entry stack[10];
/*
* Pushes a string (identified by 'identifier') on the stack. We simply use a
* single array, since the number of entries we have to store is very small.
*
*/
static void push_string(const char *identifier, const char *str) {
for (int c = 0; c < 10; c++) {
if (stack[c].identifier != NULL &&
strcmp(stack[c].identifier, identifier) != 0)
continue;
if (stack[c].identifier == NULL) {
/* Found a free slot, let’s store it here. */
stack[c].identifier = identifier;
stack[c].val.str = sstrdup(str);
stack[c].type = STACK_STR;
} else {
/* Append the value. */
char *prev = stack[c].val.str;
sasprintf(&(stack[c].val.str), "%s,%s", prev, str);
free(prev);
}
return;
}
/* When we arrive here, the stack is full. This should not happen and
* means there’s either a bug in this parser or the specification
* contains a command with more than 10 identified tokens. */
fprintf(stderr, "BUG: commands_parser stack full. This means either a bug "
"in the code, or a new command which contains more than "
"10 identified tokens.\n");
exit(1);
}
static void push_long(const char *identifier, long num) {
for (int c = 0; c < 10; c++) {
if (stack[c].identifier != NULL)
continue;
/* Found a free slot, let’s store it here. */
stack[c].identifier = identifier;
stack[c].val.num = num;
stack[c].type = STACK_LONG;
return;
}
/* When we arrive here, the stack is full. This should not happen and
* means there’s either a bug in this parser or the specification
* contains a command with more than 10 identified tokens. */
fprintf(stderr, "BUG: commands_parser stack full. This means either a bug "
"in the code, or a new command which contains more than "
"10 identified tokens.\n");
exit(1);
}
static const char *get_string(const char *identifier) {
for (int c = 0; c < 10; c++) {
if (stack[c].identifier == NULL)
break;
if (strcmp(identifier, stack[c].identifier) == 0)
return stack[c].val.str;
}
return NULL;
}
static void clear_stack(void) {
for (int c = 0; c < 10; c++) {
if (stack[c].type == STACK_STR)
free(stack[c].val.str);
stack[c].identifier = NULL;
stack[c].val.str = NULL;
stack[c].val.num = 0;
}
}
/*
* Returns true if sym is bound to any key except for 'except_keycode' on the
* first four layers (normal, shift, mode_switch, mode_switch + shift).
*
*/
static bool keysym_used_on_other_key(KeySym sym, xcb_keycode_t except_keycode) {
xcb_keycode_t i,
min_keycode = xcb_get_setup(conn)->min_keycode,
max_keycode = xcb_get_setup(conn)->max_keycode;
for (i = min_keycode; i && i <= max_keycode; i++) {
if (i == except_keycode)
continue;
for (int level = 0; level < 4; level++) {
if (xcb_key_symbols_get_keysym(keysyms, i, level) != sym)
continue;
return true;
}
}
return false;
}
static char *next_state(const cmdp_token *token) {
cmdp_state _next_state = token->next_state;
if (token->next_state == __CALL) {
const char *modifiers = get_string("modifiers");
int keycode = atoi(get_string("key"));
int level = 0;
if (modifiers != NULL &&
strstr(modifiers, "Shift") != NULL) {
/* When shift is included, we really need to use the second-level
* symbol (upper-case). The lower-case symbol could be on a
* different key than the upper-case one (unlikely for letters, but
* more likely for special characters). */
level = 1;
/* Try to use the keysym on the first level (lower-case). In case
* this doesn’t make it ambiguous (think of a keyboard layout
* having '1' on two different keys, but '!' only on keycode 10),
* we’ll stick with the keysym of the first level.
*
* This reduces a lot of confusion for users who switch keyboard
* layouts from qwerty to qwertz or other slight variations of
* qwerty (yes, that happens quite often). */
const xkb_keysym_t *syms;
int num = xkb_keymap_key_get_syms_by_level(xkb_keymap, keycode, 0, 0, &syms);
if (num == 0)
errx(1, "xkb_keymap_key_get_syms_by_level returned no symbols for keycode %d", keycode);
if (!keysym_used_on_other_key(syms[0], keycode))
level = 0;
}
const xkb_keysym_t *syms;
int num = xkb_keymap_key_get_syms_by_level(xkb_keymap, keycode, 0, level, &syms);
if (num == 0)
errx(1, "xkb_keymap_key_get_syms_by_level returned no symbols for keycode %d", keycode);
if (num > 1)
printf("xkb_keymap_key_get_syms_by_level (keycode = %d) returned %d symbolsinstead of 1, using only the first one.\n", keycode, num);
char str[4096];
if (xkb_keysym_get_name(syms[0], str, sizeof(str)) == -1)
errx(EXIT_FAILURE, "xkb_keysym_get_name(%u) failed", syms[0]);
const char *release = get_string("release");
char *res;
char *modrep = (modifiers == NULL ? sstrdup("") : sstrdup(modifiers));
char *comma;
while ((comma = strchr(modrep, ',')) != NULL) {
*comma = '+';
}
sasprintf(&res, "bindsym %s%s%s %s%s\n", (modifiers == NULL ? "" : modrep), (modifiers == NULL ? "" : "+"), str, (release == NULL ? "" : release), get_string("command"));
clear_stack();
free(modrep);
return res;
}
state = _next_state;
/* See if we are jumping back to a state in which we were in previously
* (statelist contains INITIAL) and just move statelist_idx accordingly. */
for (int i = 0; i < statelist_idx; i++) {
if (statelist[i] != _next_state)
continue;
statelist_idx = i + 1;
return NULL;
}
/* Otherwise, the state is new and we add it to the list */
statelist[statelist_idx++] = _next_state;
return NULL;
}
static char *rewrite_binding(const char *input) {
state = INITIAL;
statelist_idx = 1;
const char *walk = input;
const size_t len = strlen(input);
int c;
const cmdp_token *token;
char *result = NULL;
/* The "<=" operator is intentional: We also handle the terminating 0-byte
* explicitly by looking for an 'end' token. */
while ((size_t)(walk - input) <= len) {
/* Skip whitespace before every token, newlines are relevant since they
* separate configuration directives. */
while ((*walk == ' ' || *walk == '\t') && *walk != '\0')
walk++;
cmdp_token_ptr *ptr = &(tokens[state]);
for (c = 0; c < ptr->n; c++) {
token = &(ptr->array[c]);
/* A literal. */
if (token->name[0] == '\'') {
if (strncasecmp(walk, token->name + 1, strlen(token->name) - 1) == 0) {
if (token->identifier != NULL)
push_string(token->identifier, token->name + 1);
walk += strlen(token->name) - 1;
if ((result = next_state(token)) != NULL)
return result;
break;
}
continue;
}
if (strcmp(token->name, "number") == 0) {
/* Handle numbers. We only accept decimal numbers for now. */
char *end = NULL;
errno = 0;
long int num = strtol(walk, &end, 10);
if ((errno == ERANGE && (num == LONG_MIN || num == LONG_MAX)) ||
(errno != 0 && num == 0))
continue;
/* No valid numbers found */
if (end == walk)
continue;
if (token->identifier != NULL)
push_long(token->identifier, num);
/* Set walk to the first non-number character */
walk = end;
if ((result = next_state(token)) != NULL)
return result;
break;
}
if (strcmp(token->name, "string") == 0 ||
strcmp(token->name, "word") == 0) {
const char *beginning = walk;
/* Handle quoted strings (or words). */
if (*walk == '"') {
beginning++;
walk++;
while (*walk != '\0' && (*walk != '"' || *(walk - 1) == '\\'))
walk++;
} else {
if (token->name[0] == 's') {
while (*walk != '\0' && *walk != '\r' && *walk != '\n')
walk++;
} else {
/* For a word, the delimiters are white space (' ' or
* '\t'), closing square bracket (]), comma (,) and
* semicolon (;). */
while (*walk != ' ' && *walk != '\t' &&
*walk != ']' && *walk != ',' &&
*walk != ';' && *walk != '\r' &&
*walk != '\n' && *walk != '\0')
walk++;
}
}
if (walk != beginning) {
char *str = scalloc(walk - beginning + 1, 1);
/* We copy manually to handle escaping of characters. */
int inpos, outpos;
for (inpos = 0, outpos = 0;
inpos < (walk - beginning);
inpos++, outpos++) {
/* We only handle escaped double quotes to not break
* backwards compatibility with people using \w in
* regular expressions etc. */
if (beginning[inpos] == '\\' && beginning[inpos + 1] == '"')
inpos++;
str[outpos] = beginning[inpos];
}
if (token->identifier)
push_string(token->identifier, str);
free(str);
/* If we are at the end of a quoted string, skip the ending
* double quote. */
if (*walk == '"')
walk++;
if ((result = next_state(token)) != NULL)
return result;
break;
}
}
if (strcmp(token->name, "end") == 0) {
if (*walk == '\0' || *walk == '\n' || *walk == '\r') {
if ((result = next_state(token)) != NULL)
return result;
/* To make sure we start with an appropriate matching data
* structure for commands which do *not* specify any
* criteria, we re-initialize the criteria system after
* every command. */
walk++;
break;
}
}
}
}
return NULL;
}
/*
* Having verboselog(), errorlog() and debuglog() is necessary when using libi3.
*
*/
void verboselog(char *fmt, ...) {
va_list args;
va_start(args, fmt);
vfprintf(stdout, fmt, args);
va_end(args);
}
void errorlog(char *fmt, ...) {
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
}
void debuglog(char *fmt, ...) {
}
static void txt(int col, int row, char *text, color_t fg, color_t bg) {
int x = col_x(col);
int y = row_y(row);
i3String *string = i3string_from_utf8(text);
draw_util_text(string, &surface, fg, bg, x, y, WIN_WIDTH - x - TEXT_PADDING);
i3string_free(string);
}
/*
* Handles expose events, that is, draws the window contents.
*
*/
static int handle_expose(void) {
const color_t black = draw_util_hex_to_color("#000000");
const color_t white = draw_util_hex_to_color("#FFFFFF");
const color_t green = draw_util_hex_to_color("#00FF00");
const color_t red = draw_util_hex_to_color("#FF0000");
/* draw background */
draw_util_clear_surface(&surface, black);
set_font(&font);
if (current_step == STEP_WELCOME) {
txt(2, 2, "You have not configured i3 yet.", white, black);
txt(2, 3, "Do you want me to generate a config at", white, black);
char *msg;
sasprintf(&msg, "%s?", config_path);
txt(2, 4, msg, white, black);
free(msg);
txt(13, 6, "Yes, generate the config", white, black);
txt(13, 8, "No, I will use the defaults", white, black);
txt(4, 6, "<Enter>", green, black);
txt(5, 8, "<ESC>", red, black);
}
if (current_step == STEP_GENERATE) {
txt(2, 2, "Please choose either:", white, black);
txt(13, 4, "Win as default modifier", white, black);
txt(13, 5, "Alt as default modifier", white, black);
txt(2, 7, "Afterwards, press", white, black);
txt(13, 9, "to write the config", white, black);
txt(13, 10, "to abort", white, black);
/* the not-selected modifier */
if (modifier == MOD_Mod4)
txt(5, 5, "<Alt>", white, black);
else
txt(5, 4, "<Win>", white, black);
/* the selected modifier */
set_font(&bold_font);
if (modifier == MOD_Mod4)
txt(2, 4, "-> <Win>", white, black);
else
txt(2, 5, "-> <Alt>", white, black);
set_font(&font);
txt(4, 9, "<Enter>", green, black);
txt(5, 10, "<ESC>", red, black);
}
xcb_flush(conn);
return 1;
}
static int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_t *event) {
printf("Keypress %d, state raw = %d\n", event->detail, event->state);
/* Remove the numlock bit, all other bits are modifiers we can bind to */
uint16_t state_filtered = event->state & ~(xcb_numlock_mask | XCB_MOD_MASK_LOCK);
/* Only use the lower 8 bits of the state (modifier masks) so that mouse
* button masks are filtered out */
state_filtered &= 0xFF;
xcb_keysym_t sym = xcb_key_press_lookup_keysym(symbols, event, state_filtered);
printf("sym = %c (%d)\n", sym, sym);
if (sym == XK_Return || sym == XK_KP_Enter) {
if (current_step == STEP_WELCOME) {
current_step = STEP_GENERATE;
/* Set window title */
xcb_change_property(conn,
XCB_PROP_MODE_REPLACE,
win,
A__NET_WM_NAME,
A_UTF8_STRING,
8,
strlen("i3: generate config"),
"i3: generate config");
xcb_flush(conn);
} else
finish();
}
/* Swap between modifiers when up or down is pressed. */
if (sym == XK_Up || sym == XK_Down) {
modifier = (modifier == MOD_Mod1) ? MOD_Mod4 : MOD_Mod1;
handle_expose();
}
/* cancel any time */
if (sym == XK_Escape)
exit(0);
/* Check if this is Mod1 or Mod4. The modmap contains Shift, Lock, Control,
* Mod1, Mod2, Mod3, Mod4, Mod5 (in that order) */
xcb_keycode_t *modmap = xcb_get_modifier_mapping_keycodes(modmap_reply);
/* Mod1? */
int mask = 3;
for (int i = 0; i < modmap_reply->keycodes_per_modifier; i++) {
xcb_keycode_t code = modmap[(mask * modmap_reply->keycodes_per_modifier) + i];
if (code == XCB_NONE)
continue;
printf("Modifier keycode for Mod1: 0x%02x\n", code);
if (code == event->detail) {
modifier = MOD_Mod1;
printf("This is Mod1!\n");
}
}
/* Mod4? */
mask = 6;
for (int i = 0; i < modmap_reply->keycodes_per_modifier; i++) {
xcb_keycode_t code = modmap[(mask * modmap_reply->keycodes_per_modifier) + i];
if (code == XCB_NONE)
continue;
printf("Modifier keycode for Mod4: 0x%02x\n", code);
if (code == event->detail) {
modifier = MOD_Mod4;
printf("This is Mod4!\n");
}
}
handle_expose();
return 1;
}
/*
* Handle button presses to make clicking on "<win>" and "<alt>" work
*
*/
static void handle_button_press(xcb_button_press_event_t *event) {
if (current_step != STEP_GENERATE)
return;
if (event->event_x < col_x(5) || event->event_x > col_x(10))
return;
if (event->event_y >= row_y(4) && event->event_y <= (row_y(4) + font.height)) {
modifier = MOD_Mod4;
handle_expose();
}
if (event->event_y >= row_y(5) && event->event_y <= (row_y(5) + font.height)) {
modifier = MOD_Mod1;
handle_expose();
}
}
/*
* Creates the config file and tells i3 to reload.
*
*/
static void finish(void) {
printf("creating \"%s\"...\n", config_path);
struct xkb_context *xkb_context;
if ((xkb_context = xkb_context_new(0)) == NULL)
errx(1, "could not create xkbcommon context");
int32_t device_id = xkb_x11_get_core_keyboard_device_id(conn);
if ((xkb_keymap = xkb_x11_keymap_new_from_device(xkb_context, conn, device_id, 0)) == NULL)
errx(1, "xkb_x11_keymap_new_from_device failed");
FILE *kc_config = fopen(SYSCONFDIR "/i3/config.keycodes", "r");
if (kc_config == NULL)
err(1, "Could not open input file \"%s\"", SYSCONFDIR "/i3/config.keycodes");
FILE *ks_config = fopen(config_path, "w");
if (ks_config == NULL)
err(1, "Could not open output config file \"%s\"", config_path);
free(config_path);
char *line = NULL;
size_t len = 0;
#ifndef USE_FGETLN
ssize_t read;
#endif
bool head_of_file = true;
/* write a header about auto-generation to the output file */
fputs("# This file has been auto-generated by i3-config-wizard(1).\n", ks_config);
fputs("# It will not be overwritten, so edit it as you like.\n", ks_config);
fputs("#\n", ks_config);
fputs("# Should you change your keyboard layout some time, delete\n", ks_config);
fputs("# this file and re-run i3-config-wizard(1).\n", ks_config);
fputs("#\n", ks_config);
#ifdef USE_FGETLN
char *buf = NULL;
while ((buf = fgetln(kc_config, &len)) != NULL) {
/* fgetln does not return null-terminated strings */
FREE(line);
sasprintf(&line, "%.*s", len, buf);
#else
size_t linecap = 0;
while ((read = getline(&line, &linecap, kc_config)) != -1) {
len = strlen(line);
#endif
/* skip the warning block at the beginning of the input file */
if (head_of_file &&
strncmp("# WARNING", line, strlen("# WARNING")) == 0)
continue;
head_of_file = false;
/* Skip leading whitespace */
char *walk = line;
while (isspace(*walk) && walk < (line + len)) {
/* Pre-output the skipped whitespaces to keep proper indentation */
fputc(*walk, ks_config);
walk++;
}
/* Set the modifier the user chose */
if (strncmp(walk, "set $mod ", strlen("set $mod ")) == 0) {
if (modifier == MOD_Mod1)
fputs("set $mod Mod1\n", ks_config);
else
fputs("set $mod Mod4\n", ks_config);
continue;
}
/* Check for 'bindcode'. If it’s not a bindcode line, we
* just copy it to the output file */
if (strncmp(walk, "bindcode", strlen("bindcode")) != 0) {
fputs(walk, ks_config);
continue;
}
char *result = rewrite_binding(walk);
fputs(result, ks_config);
free(result);
}
/* sync to do our best in order to have the file really stored on disk */
fflush(ks_config);
fsync(fileno(ks_config));
#ifndef USE_FGETLN
free(line);
#endif
fclose(kc_config);
fclose(ks_config);
/* tell i3 to reload the config file */
int sockfd = ipc_connect(socket_path);
ipc_send_message(sockfd, strlen("reload"), 0, (uint8_t *)"reload");
close(sockfd);
exit(0);
}
int main(int argc, char *argv[]) {
char *xdg_config_home;
char *pattern = "pango:monospace 8";
char *patternbold = "pango:monospace bold 8";
int o, option_index = 0;
bool headless_run = false;
static struct option long_options[] = {
{"socket", required_argument, 0, 's'},
{"version", no_argument, 0, 'v'},
{"modifier", required_argument, 0, 'm'},
{"limit", required_argument, 0, 'l'},
{"prompt", required_argument, 0, 'P'},
{"prefix", required_argument, 0, 'p'},
{"font", required_argument, 0, 'f'},
{"help", no_argument, 0, 'h'},
{0, 0, 0, 0}};
char *options_string = "sm:vh";
while ((o = getopt_long(argc, argv, options_string, long_options, &option_index)) != -1) {
switch (o) {
case 's':
FREE(socket_path);
socket_path = sstrdup(optarg);
break;
case 'v':
printf("i3-config-wizard " I3_VERSION "\n");
return 0;
case 'm':
headless_run = true;
if (strcmp(optarg, "alt") == 0)
modifier = MOD_Mod1;
else if (strcmp(optarg, "win") == 0)
modifier = MOD_Mod4;
else
err(EXIT_FAILURE, "Invalid modifier key %s", optarg);
break;
case 'h':
printf("i3-config-wizard " I3_VERSION "\n");
printf("i3-config-wizard [-s <socket>] [-m win|alt] [-v] [-h]\n");
return 0;
}
}
char *path = get_config_path(NULL, false);
if (path != NULL) {
printf("The config file \"%s\" already exists. Exiting.\n", path);
free(path);
return 0;
}
/* Always write to $XDG_CONFIG_HOME/i3/config by default. */
if ((xdg_config_home = getenv("XDG_CONFIG_HOME")) == NULL)
xdg_config_home = "~/.config";
xdg_config_home = resolve_tilde(xdg_config_home);
sasprintf(&config_path, "%s/i3/config", xdg_config_home);
/* Create $XDG_CONFIG_HOME/i3 if it does not yet exist */
char *config_dir;
struct stat stbuf;
sasprintf(&config_dir, "%s/i3", xdg_config_home);
if (stat(config_dir, &stbuf) != 0)
if (mkdirp(config_dir, DEFAULT_DIR_MODE) != 0)
err(EXIT_FAILURE, "mkdirp(%s) failed", config_dir);
free(config_dir);
free(xdg_config_home);
int fd;
if ((fd = open(config_path, O_CREAT | O_RDWR, 0644)) == -1) {
printf("Cannot open file \"%s\" for writing: %s. Exiting.\n", config_path, strerror(errno));
return 0;
}
close(fd);
unlink(config_path);
int screen;
if ((conn = xcb_connect(NULL, &screen)) == NULL ||
xcb_connection_has_error(conn))
errx(1, "Cannot open display");
if (xkb_x11_setup_xkb_extension(conn,
XKB_X11_MIN_MAJOR_XKB_VERSION,
XKB_X11_MIN_MINOR_XKB_VERSION,
0,
NULL,
NULL,
&xkb_base_event,
&xkb_base_error) != 1)
errx(EXIT_FAILURE, "Could not setup XKB extension.");
keysyms = xcb_key_symbols_alloc(conn);
xcb_get_modifier_mapping_cookie_t modmap_cookie;
modmap_cookie = xcb_get_modifier_mapping(conn);
symbols = xcb_key_symbols_alloc(conn);
if (headless_run) {
finish();
return 0;
}
/* Place requests for the atoms we need as soon as possible */
#define xmacro(atom) \
xcb_intern_atom_cookie_t atom##_cookie = xcb_intern_atom(conn, 0, strlen(#atom), #atom);
CONFIG_WIZARD_ATOMS_XMACRO
#undef xmacro
/* Init startup notification. */
SnDisplay *sndisplay = sn_xcb_display_new(conn, NULL, NULL);
SnLauncheeContext *sncontext = sn_launchee_context_new_from_environment(sndisplay, screen);
sn_display_unref(sndisplay);
root_screen = xcb_aux_get_screen(conn, screen);
root = root_screen->root;
if (!(modmap_reply = xcb_get_modifier_mapping_reply(conn, modmap_cookie, NULL)))
errx(EXIT_FAILURE, "Could not get modifier mapping");
xcb_numlock_mask = get_mod_mask_for(XCB_NUM_LOCK, symbols, modmap_reply);
init_dpi();
font = load_font(pattern, true);
bold_font = load_font(patternbold, true);
/* Determine character width in the default font. */
set_font(&font);
char_width = predict_text_width(i3string_from_utf8("a"));
/* Open an input window */
win = xcb_generate_id(conn);
xcb_create_window(
conn,
XCB_COPY_FROM_PARENT,
win, /* the window id */
root, /* parent == root */
WIN_POS_X, WIN_POS_Y, WIN_WIDTH, WIN_HEIGHT, /* dimensions */
0, /* X11 border = 0, we draw our own */
XCB_WINDOW_CLASS_INPUT_OUTPUT,
XCB_WINDOW_CLASS_COPY_FROM_PARENT, /* copy visual from parent */
XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK,
(uint32_t[]){
0, /* back pixel: black */
XCB_EVENT_MASK_EXPOSURE |
XCB_EVENT_MASK_BUTTON_PRESS});
if (sncontext) {
sn_launchee_context_setup_window(sncontext, win);
}
/* Map the window (make it visible) */
xcb_map_window(conn, win);
/* Setup NetWM atoms */
#define xmacro(name) \
do { \
xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(conn, name##_cookie, NULL); \
if (!reply) \
errx(EXIT_FAILURE, "Could not get atom " #name); \
\
A_##name = reply->atom; \
free(reply); \
} while (0);
CONFIG_WIZARD_ATOMS_XMACRO
#undef xmacro
/* Set dock mode */
xcb_change_property(conn,
XCB_PROP_MODE_REPLACE,
win,
A__NET_WM_WINDOW_TYPE,
A_ATOM,
32,
1,
(unsigned char *)&A__NET_WM_WINDOW_TYPE_DIALOG);
/* Set window title */
xcb_change_property(conn,
XCB_PROP_MODE_REPLACE,
win,
A__NET_WM_NAME,
A_UTF8_STRING,
8,
strlen("i3: first configuration"),
"i3: first configuration");
/* Initialize drawable surface */
draw_util_surface_init(conn, &surface, win, get_visualtype(root_screen), WIN_WIDTH, WIN_HEIGHT);
/* Grab the keyboard to get all input */
xcb_flush(conn);
/* Try (repeatedly, if necessary) to grab the keyboard. We might not
* get the keyboard at the first attempt because of the keybinding
* still being active when started via a wm’s keybinding. */
xcb_grab_keyboard_cookie_t cookie;
xcb_grab_keyboard_reply_t *reply = NULL;
int count = 0;
while ((reply == NULL || reply->status != XCB_GRAB_STATUS_SUCCESS) && (count++ < 500)) {
cookie = xcb_grab_keyboard(conn, false, win, XCB_CURRENT_TIME, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
reply = xcb_grab_keyboard_reply(conn, cookie, NULL);
usleep(1000);
}
if (reply->status != XCB_GRAB_STATUS_SUCCESS) {
fprintf(stderr, "Could not grab keyboard, status = %d\n", reply->status);
exit(-1);
}
/* Startup complete. */
if (sncontext) {
sn_launchee_context_complete(sncontext);
sn_launchee_context_unref(sncontext);
}
xcb_flush(conn);
xcb_generic_event_t *event;
while ((event = xcb_wait_for_event(conn)) != NULL) {
if (event->response_type == 0) {
fprintf(stderr, "X11 Error received! sequence %x\n", event->sequence);
continue;
}
/* Strip off the highest bit (set if the event is generated) */
int type = (event->response_type & 0x7F);
/* TODO: handle mappingnotify */
switch (type) {
case XCB_KEY_PRESS:
handle_key_press(NULL, conn, (xcb_key_press_event_t *)event);
break;
case XCB_BUTTON_PRESS:
handle_button_press((xcb_button_press_event_t *)event);
break;
case XCB_EXPOSE:
if (((xcb_expose_event_t *)event)->count == 0) {
handle_expose();
}
break;
}
free(event);
}
/* Dismiss drawable surface */
draw_util_surface_free(conn, &surface);
return 0;
}