2 * vim:ts=4:sw=4:expandtab
4 * i3 - an improved dynamic tiling window manager
6 * © 2011 Michael Stapelberg and contributors
8 * See file LICENSE for license information.
10 * i3-config-wizard: Program to convert configs using keycodes to configs using
16 #include <sys/types.h>
31 #include <xcb/xcb_aux.h>
32 #include <xcb/xcb_event.h>
33 #include <xcb/xcb_keysyms.h>
36 #include <X11/keysym.h>
38 #define FREE(pointer) do { \
39 if (pointer != NULL) { \
49 enum { STEP_WELCOME, STEP_GENERATE } current_step = STEP_WELCOME;
50 enum { MOD_ALT, MOD_SUPER } modifier = MOD_SUPER;
52 static char *config_path = "/tmp/wizout/i3.config";
53 static xcb_connection_t *conn;
54 static uint32_t font_id;
55 static uint32_t font_bold_id;
56 static char *socket_path;
57 static int font_height;
58 static int font_bold_height;
59 static xcb_window_t win;
60 static xcb_pixmap_t pixmap;
61 static xcb_gcontext_t pixmap_gc;
62 static xcb_key_symbols_t *symbols;
66 char *rewrite_binding(const char *bindingline);
70 * Try to get the socket path from X11 and return NULL if it doesn’t work.
71 * As i3-msg is a short-running tool, we don’t bother with cleaning up the
72 * connection and leave it up to the operating system on exit.
75 static char *socket_path_from_x11() {
76 xcb_connection_t *conn;
78 if ((conn = xcb_connect(NULL, &screen)) == NULL ||
79 xcb_connection_has_error(conn))
81 xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screen);
82 xcb_window_t root = root_screen->root;
84 xcb_intern_atom_cookie_t atom_cookie;
85 xcb_intern_atom_reply_t *atom_reply;
87 atom_cookie = xcb_intern_atom(conn, 0, strlen("I3_SOCKET_PATH"), "I3_SOCKET_PATH");
88 atom_reply = xcb_intern_atom_reply(conn, atom_cookie, NULL);
89 if (atom_reply == NULL)
92 xcb_get_property_cookie_t prop_cookie;
93 xcb_get_property_reply_t *prop_reply;
94 prop_cookie = xcb_get_property_unchecked(conn, false, root, atom_reply->atom,
95 XCB_GET_PROPERTY_TYPE_ANY, 0, PATH_MAX);
96 prop_reply = xcb_get_property_reply(conn, prop_cookie, NULL);
97 if (prop_reply == NULL || xcb_get_property_value_length(prop_reply) == 0)
99 if (asprintf(&socket_path, "%.*s", xcb_get_property_value_length(prop_reply),
100 (char*)xcb_get_property_value(prop_reply)) == -1)
106 * Handles expose events, that is, draws the window contents.
109 static int handle_expose() {
110 /* re-draw the background */
111 xcb_rectangle_t border = {0, 0, 300, (15*font_height) + 8},
112 inner = {2, 2, 296, (15*font_height) + 8 - 4};
113 xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#285577"));
114 xcb_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &border);
115 xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
116 xcb_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &inner);
118 xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FONT, font_id);
120 #define txt(x, row, text) xcb_image_text_8(conn, strlen(text), pixmap, pixmap_gc, x, (row * font_height) + 2, text)
122 if (current_step == STEP_WELCOME) {
123 /* restore font color */
124 xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#FFFFFF"));
126 txt(10, 1, "i3: first configuration");
127 txt(10, 4, "You have not configured i3 yet.");
128 txt(10, 5, "Do you want me to generate ~/.i3/config?");
129 txt(85, 8, "Yes, generate ~/.i3/config");
130 txt(85, 10, "No, I will use the defaults");
133 xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#00FF00"));
134 txt(25, 8, "<Enter>");
137 xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#FF0000"));
138 txt(31, 10, "<ESC>");
141 if (current_step == STEP_GENERATE) {
142 xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#FFFFFF"));
144 txt(10, 1, "i3: generate config");
146 txt(10, 4, "Please choose either:");
147 txt(85, 6, "Win as default modifier");
148 txt(85, 7, "Alt as default modifier");
149 txt(10, 9, "Afterwards, press");
150 txt(85, 11, "to write ~/.i3/config");
151 txt(85, 12, "to abort");
153 /* the not-selected modifier */
154 if (modifier == MOD_SUPER)
156 else txt(31, 6, "<Win>");
158 /* the selected modifier */
159 xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FONT, font_bold_id);
160 if (modifier == MOD_SUPER)
162 else txt(31, 7, "<Alt>");
165 uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_FONT;
166 uint32_t values[] = { get_colorpixel(conn, "#00FF00"), font_id };
167 xcb_change_gc(conn, pixmap_gc, mask, values);
169 txt(25, 11, "<Enter>");
172 xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#FF0000"));
173 txt(31, 12, "<ESC>");
176 /* Copy the contents of the pixmap to the real window */
177 xcb_copy_area(conn, pixmap, win, pixmap_gc, 0, 0, 0, 0, /* */ 500, 500);
183 static int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_t *event) {
184 printf("Keypress %d, state raw = %d\n", event->detail, event->state);
186 xcb_keysym_t sym = xcb_key_press_lookup_keysym(symbols, event, event->state);
188 printf("sym = %c (%d)\n", sym, sym);
190 if (sym == XK_Return) {
191 if (current_step == STEP_WELCOME)
192 current_step = STEP_GENERATE;
196 /* cancel any time */
197 if (sym == XK_Escape)
203 if (sym == XK_Super_L)
204 modifier = MOD_SUPER;
211 * Creates the config file and tells i3 to reload.
214 static void finish() {
215 printf("creating \"%s\"...\n", config_path);
217 if (!(dpy = XOpenDisplay(NULL)))
218 errx(1, "Could not connect to X11");
220 FILE *kc_config = fopen("../i3.config.kc", "r");
221 if (kc_config == NULL)
222 err(1, "Could not open input file \"%s\"", "../i3.config.kc");
224 FILE *ks_config = fopen(config_path, "w");
225 if (ks_config == NULL)
226 err(1, "Could not open output config file \"%s\"", config_path);
231 bool head_of_file = true;
233 /* write a header about auto-generation to the output file */
234 fputs("# This file has been auto-generated by i3-config-wizard(1).\n", ks_config);
235 fputs("# It will not be overwritten, so edit it as you like.\n", ks_config);
236 fputs("#\n", ks_config);
237 fputs("# Should you change your keyboard layout somewhen, delete\n", ks_config);
238 fputs("# this file and re-run i3-config-wizard(1).\n", ks_config);
239 fputs("#\n", ks_config);
240 fputs("# See http://i3wm.org/docs/userguide.html\n", ks_config);
242 while ((read = getline(&line, &len, kc_config)) != -1) {
243 /* skip the warning block at the beginning of the input file */
245 strncmp("# WARNING", line, strlen("# WARNING")) == 0)
248 head_of_file = false;
250 /* Skip leading whitespace */
252 while (isspace(*walk) && walk < (line + len))
255 /* Set the modifier the user chose */
256 if (strncmp(walk, "set $mod ", strlen("set $mod ")) == 0) {
257 if (modifier == MOD_ALT)
258 fputs("set $mod Mod1\n", ks_config);
259 else fputs("set $mod Mod4\n", ks_config);
263 /* Check for 'bindcode'. If it’s not a bindcode line, we
264 * just copy it to the output file */
265 if (strncmp(walk, "bindcode", strlen("bindcode")) != 0) {
266 fputs(line, ks_config);
269 char *result = rewrite_binding(walk);
270 fputs(result, ks_config);
274 /* sync to do our best in order to have the file really stored on disk */
276 fsync(fileno(ks_config));
282 /* tell i3 to reload the config file */
283 int sockfd = connect_ipc(socket_path);
284 ipc_send_message(sockfd, strlen("reload"), 0, (uint8_t*)"reload");
290 int main(int argc, char *argv[]) {
291 socket_path = getenv("I3SOCK");
292 char *pattern = "-misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1";
293 char *patternbold = "-misc-fixed-bold-r-normal--13-120-75-75-C-70-iso10646-1";
294 int o, option_index = 0;
296 static struct option long_options[] = {
297 {"socket", required_argument, 0, 's'},
298 {"version", no_argument, 0, 'v'},
299 {"limit", required_argument, 0, 'l'},
300 {"prompt", required_argument, 0, 'P'},
301 {"prefix", required_argument, 0, 'p'},
302 {"font", required_argument, 0, 'f'},
303 {"help", no_argument, 0, 'h'},
307 char *options_string = "s:vh";
309 while ((o = getopt_long(argc, argv, options_string, long_options, &option_index)) != -1) {
313 socket_path = strdup(optarg);
316 printf("i3-config-wizard " I3_VERSION);
319 printf("i3-config-wizard " I3_VERSION);
320 printf("i3-config-wizard [-s <socket>] [-v]\n");
325 /* Check if the destination config file does not exist but the path is
326 * writable. If not, exit now, this program is not useful in that case. */
328 if (stat(config_path, &stbuf) == 0) {
329 printf("The config file \"%s\" already exists. Exiting.\n", config_path);
334 if ((fd = open(config_path, O_CREAT | O_RDWR, 0644)) == -1) {
335 printf("Cannot open file \"%s\" for writing: %s. Exiting.\n", config_path, strerror(errno));
341 if (socket_path == NULL)
342 socket_path = socket_path_from_x11();
344 if (socket_path == NULL)
345 socket_path = "/tmp/i3-ipc.sock";
348 conn = xcb_connect(NULL, &screens);
349 if (xcb_connection_has_error(conn))
350 errx(1, "Cannot open display\n");
352 xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screens);
353 root = root_screen->root;
355 symbols = xcb_key_symbols_alloc(conn);
357 font_id = get_font_id(conn, pattern, &font_height);
358 font_bold_id = get_font_id(conn, patternbold, &font_bold_height);
360 /* Open an input window */
361 win = open_input_window(conn, 300, 205);
364 pixmap = xcb_generate_id(conn);
365 pixmap_gc = xcb_generate_id(conn);
366 xcb_create_pixmap(conn, root_screen->root_depth, pixmap, win, 500, 500);
367 xcb_create_gc(conn, pixmap_gc, pixmap, 0, 0);
369 /* Set input focus (we have override_redirect=1, so the wm will not do
371 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, win, XCB_CURRENT_TIME);
373 /* Grab the keyboard to get all input */
376 /* Try (repeatedly, if necessary) to grab the keyboard. We might not
377 * get the keyboard at the first attempt because of the keybinding
378 * still being active when started via a wm’s keybinding. */
379 xcb_grab_keyboard_cookie_t cookie;
380 xcb_grab_keyboard_reply_t *reply = NULL;
383 while ((reply == NULL || reply->status != XCB_GRAB_STATUS_SUCCESS) && (count++ < 500)) {
384 cookie = xcb_grab_keyboard(conn, false, win, XCB_CURRENT_TIME, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
385 reply = xcb_grab_keyboard_reply(conn, cookie, NULL);
389 if (reply->status != XCB_GRAB_STATUS_SUCCESS) {
390 fprintf(stderr, "Could not grab keyboard, status = %d\n", reply->status);
396 xcb_generic_event_t *event;
397 while ((event = xcb_wait_for_event(conn)) != NULL) {
398 if (event->response_type == 0) {
399 fprintf(stderr, "X11 Error received! sequence %x\n", event->sequence);
403 /* Strip off the highest bit (set if the event is generated) */
404 int type = (event->response_type & 0x7F);
408 handle_key_press(NULL, conn, (xcb_key_press_event_t*)event);
411 /* TODO: handle mappingnotify */