* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
- *
- * © 2011 Michael Stapelberg and contributors
- *
- * See file LICENSE for license information.
+ * © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
*
* i3-config-wizard: Program to convert configs using keycodes to configs using
- * keysyms.
+ * keysyms.
*
*/
+#if defined(__FreeBSD__)
+#include <sys/param.h>
+#endif
+
+/* For systems without getline, fall back to fgetln */
+#if defined(__APPLE__) || (defined(__FreeBSD__) && __FreeBSD_version < 800000) || defined(__OpenBSD__)
+#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 <ev.h>
#include <stdio.h>
#include <sys/types.h>
#include <stdbool.h>
#include <unistd.h>
#include <string.h>
+#include <ctype.h>
#include <errno.h>
#include <err.h>
#include <stdint.h>
#include <getopt.h>
#include <limits.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <glob.h>
#include <xcb/xcb.h>
#include <xcb/xcb_aux.h>
#include <X11/Xlib.h>
#include <X11/keysym.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 { \
if (pointer != NULL) { \
free(pointer); \
while (0)
#include "xcb.h"
+#include "libi3.h"
enum { STEP_WELCOME, STEP_GENERATE } current_step = STEP_WELCOME;
-enum { MOD_ALT, MOD_SUPER } modifier = MOD_SUPER;
-
-static xcb_connection_t *conn;
-static uint32_t font_id;
-static uint32_t font_bold_id;
+enum { MOD_Mod1, MOD_Mod4 } modifier = MOD_Mod4;
+
+static char *config_path;
+static uint32_t xcb_numlock_mask;
+xcb_connection_t *conn;
+xcb_screen_t *root_screen;
+static xcb_get_modifier_mapping_reply_t *modmap_reply;
+static i3Font font;
+static i3Font bold_font;
static char *socket_path;
-static int sockfd;
-static int font_height;
-static int font_bold_height;
static xcb_window_t win;
static xcb_pixmap_t pixmap;
static xcb_gcontext_t pixmap_gc;
xcb_window_t root;
Display *dpy;
+char *rewrite_binding(const char *bindingline);
static void finish();
/*
- * Try to get the socket path from X11 and return NULL if it doesn’t work.
- * As i3-msg is a short-running tool, we don’t bother with cleaning up the
- * connection and leave it up to the operating system on exit.
+ * Having verboselog() and errorlog() is necessary when using libi3.
*
*/
-static char *socket_path_from_x11() {
- xcb_connection_t *conn;
- int screen;
- if ((conn = xcb_connect(NULL, &screen)) == NULL ||
- xcb_connection_has_error(conn))
- return NULL;
- xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screen);
- xcb_window_t root = root_screen->root;
-
- xcb_intern_atom_cookie_t atom_cookie;
- xcb_intern_atom_reply_t *atom_reply;
-
- atom_cookie = xcb_intern_atom(conn, 0, strlen("I3_SOCKET_PATH"), "I3_SOCKET_PATH");
- atom_reply = xcb_intern_atom_reply(conn, atom_cookie, NULL);
- if (atom_reply == NULL)
- return NULL;
-
- xcb_get_property_cookie_t prop_cookie;
- xcb_get_property_reply_t *prop_reply;
- prop_cookie = xcb_get_property_unchecked(conn, false, root, atom_reply->atom,
- XCB_GET_PROPERTY_TYPE_ANY, 0, PATH_MAX);
- prop_reply = xcb_get_property_reply(conn, prop_cookie, NULL);
- if (prop_reply == NULL || xcb_get_property_value_length(prop_reply) == 0)
- return NULL;
- if (asprintf(&socket_path, "%.*s", xcb_get_property_value_length(prop_reply),
- (char*)xcb_get_property_value(prop_reply)) == -1)
- return NULL;
- return socket_path;
+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);
+}
+
+/*
+ * This function resolves ~ in pathnames.
+ * It may resolve wildcards in the first part of the path, but if no match
+ * or multiple matches are found, it just returns a copy of path as given.
+ *
+ */
+static char *resolve_tilde(const char *path) {
+ static glob_t globbuf;
+ char *head, *tail, *result;
+
+ tail = strchr(path, '/');
+ head = strndup(path, tail ? tail - path : strlen(path));
+
+ int res = glob(head, GLOB_TILDE, NULL, &globbuf);
+ free(head);
+ /* no match, or many wildcard matches are bad */
+ if (res == GLOB_NOMATCH || globbuf.gl_pathc != 1)
+ result = strdup(path);
+ else if (res != 0) {
+ err(1, "glob() failed");
+ } else {
+ head = globbuf.gl_pathv[0];
+ result = calloc(1, strlen(head) + (tail ? strlen(tail) : 0) + 1);
+ strncpy(result, head, strlen(head));
+ if (tail)
+ strncat(result, tail, strlen(tail));
+ }
+ globfree(&globbuf);
+
+ return result;
}
/*
*/
static int handle_expose() {
/* re-draw the background */
- xcb_rectangle_t border = {0, 0, 300, (15*font_height) + 8},
- inner = {2, 2, 296, (15*font_height) + 8 - 4};
- xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#285577"));
+ xcb_rectangle_t border = {0, 0, 300, (15 * font.height) + 8};
+ xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){ get_colorpixel("#000000") });
xcb_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &border);
- xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
- xcb_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &inner);
- xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FONT, font_id);
+ set_font(&font);
-#define txt(x, row, text) xcb_image_text_8(conn, strlen(text), pixmap, pixmap_gc, x, (row * font_height) + 2, text)
+#define txt(x, row, text) \
+ draw_text_ascii(text, pixmap, pixmap_gc,\
+ x, (row - 1) * font.height + 4, 300 - x * 2)
if (current_step == STEP_WELCOME) {
/* restore font color */
- xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#FFFFFF"));
+ set_font_colors(pixmap_gc, get_colorpixel("#FFFFFF"), get_colorpixel("#000000"));
- txt(10, 1, "i3: first configuration");
- txt(10, 4, "You have not configured i3 yet.");
- txt(10, 5, "Do you want me to generate ~/.i3/config?");
- txt(85, 8, "Yes, generate ~/.i3/config");
- txt(85, 10, "No, I will use the defaults");
+ txt(10, 2, "You have not configured i3 yet.");
+ txt(10, 3, "Do you want me to generate ~/.i3/config?");
+ txt(85, 5, "Yes, generate ~/.i3/config");
+ txt(85, 7, "No, I will use the defaults");
/* green */
- xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#00FF00"));
- txt(25, 8, "<Enter>");
+ set_font_colors(pixmap_gc, get_colorpixel("#00FF00"), get_colorpixel("#000000"));
+ txt(25, 5, "<Enter>");
/* red */
- xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#FF0000"));
- txt(31, 10, "<ESC>");
+ set_font_colors(pixmap_gc, get_colorpixel("#FF0000"), get_colorpixel("#000000"));
+ txt(31, 7, "<ESC>");
}
if (current_step == STEP_GENERATE) {
- xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#FFFFFF"));
-
- txt(10, 1, "i3: generate config");
+ set_font_colors(pixmap_gc, get_colorpixel("#FFFFFF"), get_colorpixel("#000000"));
- txt(10, 4, "Please choose either:");
- txt(85, 6, "Win as default modifier");
- txt(85, 7, "Alt as default modifier");
- txt(10, 9, "Afterwards, press");
- txt(85, 11, "to write ~/.i3/config");
- txt(85, 12, "to abort");
+ txt(10, 2, "Please choose either:");
+ txt(85, 4, "Win as default modifier");
+ txt(85, 5, "Alt as default modifier");
+ txt(10, 7, "Afterwards, press");
+ txt(85, 9, "to write ~/.i3/config");
+ txt(85, 10, "to abort");
/* the not-selected modifier */
- if (modifier == MOD_SUPER)
- else txt(31, 6, "<Win>");
+ if (modifier == MOD_Mod4)
+ else txt(31, 4, "<Win>");
/* the selected modifier */
- xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FONT, font_bold_id);
- if (modifier == MOD_SUPER)
- txt(31, 6, "<Win>");
- else txt(31, 7, "<Alt>");
+ set_font(&bold_font);
+ set_font_colors(pixmap_gc, get_colorpixel("#FFFFFF"), get_colorpixel("#000000"));
+ if (modifier == MOD_Mod4)
+ txt(10, 4, "-> <Win>");
+ else txt(10, 5, "-> <Alt>");
/* green */
- uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_FONT;
- uint32_t values[] = { get_colorpixel(conn, "#00FF00"), font_id };
- xcb_change_gc(conn, pixmap_gc, mask, values);
-
- txt(25, 11, "<Enter>");
+ set_font(&font);
+ set_font_colors(pixmap_gc, get_colorpixel("#00FF00"), get_colorpixel("#000000"));
+ txt(25, 9, "<Enter>");
/* red */
- xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#FF0000"));
- txt(31, 12, "<ESC>");
+ set_font_colors(pixmap_gc, get_colorpixel("#FF0000"), get_colorpixel("#000000"));
+ txt(31, 10, "<ESC>");
}
/* Copy the contents of the pixmap to the real window */
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);
- xcb_keysym_t sym = xcb_key_press_lookup_keysym(symbols, event, 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) {
- if (current_step == STEP_WELCOME)
+ 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();
}
if (sym == XK_Escape)
exit(0);
- if (sym == XK_Alt_L)
- modifier = MOD_ALT;
+ /* 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");
+ }
+ }
- if (sym == XK_Super_L)
- modifier = MOD_SUPER;
+ /* 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 >= 32 && event->event_x <= 68 &&
+ event->event_y >= 45 && event->event_y <= 54) {
+ modifier = MOD_Mod4;
+ handle_expose();
+ }
+
+ if (event->event_x >= 32 && event->event_x <= 68 &&
+ event->event_y >= 56 && event->event_y <= 70) {
+ modifier = MOD_Mod1;
+ handle_expose();
+ }
+
+ return;
+}
+
+/*
+ * Creates the config file and tells i3 to reload.
+ *
+ */
static void finish() {
- printf("finishing the wizard\n");
+ printf("creating \"%s\"...\n", config_path);
+
+ if (!(dpy = XOpenDisplay(NULL)))
+ errx(1, "Could not connect to X11");
+
+ 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");
-#if 0
- dpy = XOpenDisplay(NULL);
+ 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);
- FILE *kc_config = fopen("../i3.config.kc", "r");
char *line = NULL;
size_t len = 0;
+#ifndef USE_FGETLN
ssize_t read;
- while ((read = getline(&line, &len, kc_config)) != -1) {
- /* See if that line is interesting by skipping leading whitespaces,
- * then checking for 'bindcode' */
+#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 somewhen, 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))
+ while (isspace(*walk) && walk < (line + len)) {
+ /* Pre-output the skipped whitespaces to keep proper indentation */
+ fputc(*walk, ks_config);
walk++;
- if (strncmp(walk, "bindcode", strlen("bindcode")) != 0)
+ }
+
+ /* 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);
- printf("in: %s", walk);
- printf("out: %s", result);
+ 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);
- exit(0);
-#endif
+ /* 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[]) {
+ config_path = resolve_tilde("~/.i3/config");
socket_path = getenv("I3SOCK");
char *pattern = "-misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1";
char *patternbold = "-misc-fixed-bold-r-normal--13-120-75-75-C-70-iso10646-1";
socket_path = strdup(optarg);
break;
case 'v':
- printf("i3-config-wizard " I3_VERSION);
+ printf("i3-config-wizard " I3_VERSION "\n");
return 0;
case 'h':
- printf("i3-config-wizard " I3_VERSION);
+ printf("i3-config-wizard " I3_VERSION "\n");
printf("i3-config-wizard [-s <socket>] [-v]\n");
return 0;
}
}
+ /* Check if the destination config file does not exist but the path is
+ * writable. If not, exit now, this program is not useful in that case. */
+ struct stat stbuf;
+ if (stat(config_path, &stbuf) == 0) {
+ printf("The config file \"%s\" already exists. Exiting.\n", config_path);
+ return 0;
+ }
+
+ /* Create ~/.i3 if it does not yet exist */
+ char *config_dir = resolve_tilde("~/.i3");
+ if (stat(config_dir, &stbuf) != 0)
+ if (mkdir(config_dir, 0755) == -1)
+ err(1, "mkdir(%s) failed", config_dir);
+ free(config_dir);
+
+ 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);
+
if (socket_path == NULL)
- socket_path = socket_path_from_x11();
+ socket_path = root_atom_contents("I3_SOCKET_PATH");
if (socket_path == NULL)
socket_path = "/tmp/i3-ipc.sock";
int screens;
- conn = xcb_connect(NULL, &screens);
- if (xcb_connection_has_error(conn))
+ if ((conn = xcb_connect(NULL, &screens)) == NULL ||
+ xcb_connection_has_error(conn))
errx(1, "Cannot open display\n");
- xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screens);
+ xcb_get_modifier_mapping_cookie_t modmap_cookie;
+ modmap_cookie = xcb_get_modifier_mapping(conn);
+ symbols = xcb_key_symbols_alloc(conn);
+
+ /* 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);
+ #include "atoms.xmacro"
+ #undef xmacro
+
+ root_screen = xcb_aux_get_screen(conn, screens);
root = root_screen->root;
- symbols = xcb_key_symbols_alloc(conn);
+ if (!(modmap_reply = xcb_get_modifier_mapping_reply(conn, modmap_cookie, NULL)))
+ errx(EXIT_FAILURE, "Could not get modifier mapping\n");
- font_id = get_font_id(conn, pattern, &font_height);
- font_bold_id = get_font_id(conn, patternbold, &font_bold_height);
+ xcb_numlock_mask = get_mod_mask_for(XCB_NUM_LOCK, symbols, modmap_reply);
+
+ font = load_font(pattern, true);
+ bold_font = load_font(patternbold, true);
/* Open an input window */
- win = open_input_window(conn, 300, 205);
+ win = xcb_generate_id(conn);
+ xcb_create_window(
+ conn,
+ XCB_COPY_FROM_PARENT,
+ win, /* the window id */
+ root, /* parent == root */
+ 490, 297, 300, 205, /* 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
+ });
+
+ /* 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 "\n"); \
+ \
+ A_ ## name = reply->atom; \
+ free(reply); \
+ } while (0);
+ #include "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");
/* Create pixmap */
pixmap = xcb_generate_id(conn);
xcb_create_pixmap(conn, root_screen->root_depth, pixmap, win, 500, 500);
xcb_create_gc(conn, pixmap_gc, pixmap, 0, 0);
- /* Set input focus (we have override_redirect=1, so the wm will not do
- * this for us) */
- xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, win, XCB_CURRENT_TIME);
-
/* Grab the keyboard to get all input */
xcb_flush(conn);
/* TODO: handle mappingnotify */
+ case XCB_BUTTON_PRESS:
+ handle_button_press((xcb_button_press_event_t*)event);
+ break;
+
case XCB_EXPOSE:
handle_expose();
break;
projects / i3 / i3 / blobdiff