d3beff2339
This removes code duplication, which will be useful for a subsequent commit. Furthermore, we now don’t open X11 connections unnecessarily in some corner cases.
941 lines
30 KiB
C
941 lines
30 KiB
C
/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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* © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
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*
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* i3-config-wizard: Program to convert configs using keycodes to configs using
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* keysyms.
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*
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*/
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#if defined(__FreeBSD__)
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#include <sys/param.h>
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#endif
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/* For systems without getline, fall back to fgetln */
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#if defined(__APPLE__)
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#define USE_FGETLN
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#elif defined(__FreeBSD__)
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/* Defining this macro before including stdio.h is necessary in order to have
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* a prototype for getline in FreeBSD. */
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#define _WITH_GETLINE
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#endif
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#include <stdio.h>
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#include <sys/types.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <unistd.h>
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#include <string.h>
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#include <ctype.h>
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#include <errno.h>
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#include <err.h>
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#include <stdint.h>
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#include <getopt.h>
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#include <limits.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <glob.h>
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#include <assert.h>
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#include <xcb/xcb.h>
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#include <xcb/xcb_aux.h>
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#include <xcb/xcb_event.h>
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#include <xcb/xcb_keysyms.h>
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#include <X11/Xlib.h>
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#include <X11/keysym.h>
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#include <X11/XKBlib.h>
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/* We need SYSCONFDIR for the path to the keycode config template, so raise an
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* error if it’s not defined for whatever reason */
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#ifndef SYSCONFDIR
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#error "SYSCONFDIR not defined"
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#endif
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#define FREE(pointer) do { \
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if (pointer != NULL) { \
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free(pointer); \
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pointer = NULL; \
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} \
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} \
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while (0)
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#include "xcb.h"
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#include "libi3.h"
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enum { STEP_WELCOME, STEP_GENERATE } current_step = STEP_WELCOME;
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enum { MOD_Mod1, MOD_Mod4 } modifier = MOD_Mod4;
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static char *config_path;
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static uint32_t xcb_numlock_mask;
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xcb_connection_t *conn;
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static xcb_key_symbols_t *keysyms;
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xcb_screen_t *root_screen;
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static xcb_get_modifier_mapping_reply_t *modmap_reply;
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static i3Font font;
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static i3Font bold_font;
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static char *socket_path;
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static xcb_window_t win;
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static xcb_pixmap_t pixmap;
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static xcb_gcontext_t pixmap_gc;
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static xcb_key_symbols_t *symbols;
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xcb_window_t root;
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Display *dpy;
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static void finish();
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#include "GENERATED_config_enums.h"
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typedef struct token {
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char *name;
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char *identifier;
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/* This might be __CALL */
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cmdp_state next_state;
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union {
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uint16_t call_identifier;
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} extra;
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} cmdp_token;
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typedef struct tokenptr {
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cmdp_token *array;
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int n;
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} cmdp_token_ptr;
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#include "GENERATED_config_tokens.h"
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static cmdp_state state;
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/* A list which contains the states that lead to the current state, e.g.
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* INITIAL, WORKSPACE_LAYOUT.
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* When jumping back to INITIAL, statelist_idx will simply be set to 1
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* (likewise for other states, e.g. MODE or BAR).
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* This list is used to process the nearest error token. */
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static cmdp_state statelist[10] = { INITIAL };
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/* NB: statelist_idx points to where the next entry will be inserted */
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static int statelist_idx = 1;
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struct stack_entry {
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/* Just a pointer, not dynamically allocated. */
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const char *identifier;
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enum {
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STACK_STR = 0,
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STACK_LONG = 1,
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} type;
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union {
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char *str;
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long num;
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} val;
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};
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/* 10 entries should be enough for everybody. */
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static struct stack_entry stack[10];
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/*
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* Pushes a string (identified by 'identifier') on the stack. We simply use a
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* single array, since the number of entries we have to store is very small.
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*
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*/
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static void push_string(const char *identifier, const char *str) {
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for (int c = 0; c < 10; c++) {
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if (stack[c].identifier != NULL &&
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strcmp(stack[c].identifier, identifier) != 0)
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continue;
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if (stack[c].identifier == NULL) {
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/* Found a free slot, let’s store it here. */
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stack[c].identifier = identifier;
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stack[c].val.str = sstrdup(str);
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stack[c].type = STACK_STR;
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} else {
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/* Append the value. */
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char *prev = stack[c].val.str;
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sasprintf(&(stack[c].val.str), "%s,%s", prev, str);
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free(prev);
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}
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return;
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}
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/* When we arrive here, the stack is full. This should not happen and
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* means there’s either a bug in this parser or the specification
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* contains a command with more than 10 identified tokens. */
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fprintf(stderr, "BUG: commands_parser stack full. This means either a bug "
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"in the code, or a new command which contains more than "
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"10 identified tokens.\n");
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exit(1);
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}
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static void push_long(const char *identifier, long num) {
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for (int c = 0; c < 10; c++) {
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if (stack[c].identifier != NULL)
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continue;
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/* Found a free slot, let’s store it here. */
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stack[c].identifier = identifier;
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stack[c].val.num = num;
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stack[c].type = STACK_LONG;
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return;
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}
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/* When we arrive here, the stack is full. This should not happen and
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* means there’s either a bug in this parser or the specification
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* contains a command with more than 10 identified tokens. */
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fprintf(stderr, "BUG: commands_parser stack full. This means either a bug "
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"in the code, or a new command which contains more than "
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"10 identified tokens.\n");
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exit(1);
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}
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static const char *get_string(const char *identifier) {
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for (int c = 0; c < 10; c++) {
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if (stack[c].identifier == NULL)
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break;
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if (strcmp(identifier, stack[c].identifier) == 0)
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return stack[c].val.str;
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}
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return NULL;
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}
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static void clear_stack(void) {
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for (int c = 0; c < 10; c++) {
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if (stack[c].type == STACK_STR && stack[c].val.str != NULL)
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free(stack[c].val.str);
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stack[c].identifier = NULL;
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stack[c].val.str = NULL;
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stack[c].val.num = 0;
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}
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}
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/*
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* Returns true if sym is bound to any key except for 'except_keycode' on the
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* first four layers (normal, shift, mode_switch, mode_switch + shift).
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*
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*/
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static bool keysym_used_on_other_key(KeySym sym, xcb_keycode_t except_keycode) {
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xcb_keycode_t i,
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min_keycode = xcb_get_setup(conn)->min_keycode,
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max_keycode = xcb_get_setup(conn)->max_keycode;
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for (i = min_keycode; i && i <= max_keycode; i++) {
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if (i == except_keycode)
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continue;
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for (int level = 0; level < 4; level++) {
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if (xcb_key_symbols_get_keysym(keysyms, i, level) != sym)
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continue;
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return true;
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}
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}
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return false;
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}
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static char *next_state(const cmdp_token *token) {
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cmdp_state _next_state = token->next_state;
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if (token->next_state == __CALL) {
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const char *modifiers = get_string("modifiers");
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int keycode = atoi(get_string("key"));
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int level = 0;
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if (modifiers != NULL &&
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strstr(modifiers, "Shift") != NULL) {
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/* When shift is included, we really need to use the second-level
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* symbol (upper-case). The lower-case symbol could be on a
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* different key than the upper-case one (unlikely for letters, but
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* more likely for special characters). */
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level = 1;
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/* Try to use the keysym on the first level (lower-case). In case
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* this doesn’t make it ambiguous (think of a keyboard layout
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* having '1' on two different keys, but '!' only on keycode 10),
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* we’ll stick with the keysym of the first level.
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*
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* This reduces a lot of confusion for users who switch keyboard
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* layouts from qwerty to qwertz or other slight variations of
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* qwerty (yes, that happens quite often). */
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KeySym sym = XkbKeycodeToKeysym(dpy, keycode, 0, 0);
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if (!keysym_used_on_other_key(sym, keycode))
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level = 0;
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}
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KeySym sym = XkbKeycodeToKeysym(dpy, keycode, 0, level);
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char *str = XKeysymToString(sym);
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const char *release = get_string("release");
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char *res;
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char *modrep = (modifiers == NULL ? sstrdup("") : sstrdup(modifiers));
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char *comma;
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while ((comma = strchr(modrep, ',')) != NULL) {
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*comma = '+';
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}
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sasprintf(&res, "bindsym %s%s%s %s%s\n", (modifiers == NULL ? "" : modrep), (modifiers == NULL ? "" : "+"), str, (release == NULL ? "" : release), get_string("command"));
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clear_stack();
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return res;
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}
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state = _next_state;
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/* See if we are jumping back to a state in which we were in previously
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* (statelist contains INITIAL) and just move statelist_idx accordingly. */
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for (int i = 0; i < statelist_idx; i++) {
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if (statelist[i] != _next_state)
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continue;
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statelist_idx = i+1;
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return NULL;
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}
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/* Otherwise, the state is new and we add it to the list */
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statelist[statelist_idx++] = _next_state;
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return NULL;
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}
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static char *rewrite_binding(const char *input) {
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state = INITIAL;
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statelist_idx = 1;
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const char *walk = input;
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const size_t len = strlen(input);
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int c;
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const cmdp_token *token;
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char *result = NULL;
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/* The "<=" operator is intentional: We also handle the terminating 0-byte
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* explicitly by looking for an 'end' token. */
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while ((walk - input) <= len) {
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/* Skip whitespace before every token, newlines are relevant since they
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* separate configuration directives. */
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while ((*walk == ' ' || *walk == '\t') && *walk != '\0')
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walk++;
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//printf("remaining input: %s\n", walk);
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cmdp_token_ptr *ptr = &(tokens[state]);
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for (c = 0; c < ptr->n; c++) {
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token = &(ptr->array[c]);
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/* A literal. */
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if (token->name[0] == '\'') {
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if (strncasecmp(walk, token->name + 1, strlen(token->name) - 1) == 0) {
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if (token->identifier != NULL)
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push_string(token->identifier, token->name + 1);
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walk += strlen(token->name) - 1;
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if ((result = next_state(token)) != NULL)
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return result;
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break;
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}
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continue;
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}
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if (strcmp(token->name, "number") == 0) {
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/* Handle numbers. We only accept decimal numbers for now. */
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char *end = NULL;
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errno = 0;
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long int num = strtol(walk, &end, 10);
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if ((errno == ERANGE && (num == LONG_MIN || num == LONG_MAX)) ||
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(errno != 0 && num == 0))
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continue;
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/* No valid numbers found */
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if (end == walk)
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continue;
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if (token->identifier != NULL)
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push_long(token->identifier, num);
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/* Set walk to the first non-number character */
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walk = end;
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if ((result = next_state(token)) != NULL)
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return result;
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break;
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}
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if (strcmp(token->name, "string") == 0 ||
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strcmp(token->name, "word") == 0) {
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const char *beginning = walk;
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/* Handle quoted strings (or words). */
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if (*walk == '"') {
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beginning++;
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walk++;
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while (*walk != '\0' && (*walk != '"' || *(walk-1) == '\\'))
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walk++;
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} else {
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if (token->name[0] == 's') {
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while (*walk != '\0' && *walk != '\r' && *walk != '\n')
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walk++;
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} else {
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/* For a word, the delimiters are white space (' ' or
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* '\t'), closing square bracket (]), comma (,) and
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* semicolon (;). */
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while (*walk != ' ' && *walk != '\t' &&
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*walk != ']' && *walk != ',' &&
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*walk != ';' && *walk != '\r' &&
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*walk != '\n' && *walk != '\0')
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walk++;
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}
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}
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if (walk != beginning) {
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char *str = scalloc(walk-beginning + 1);
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/* We copy manually to handle escaping of characters. */
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int inpos, outpos;
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for (inpos = 0, outpos = 0;
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inpos < (walk-beginning);
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inpos++, outpos++) {
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/* We only handle escaped double quotes to not break
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* backwards compatibility with people using \w in
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* regular expressions etc. */
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if (beginning[inpos] == '\\' && beginning[inpos+1] == '"')
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inpos++;
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str[outpos] = beginning[inpos];
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}
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if (token->identifier)
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push_string(token->identifier, str);
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free(str);
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/* If we are at the end of a quoted string, skip the ending
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* double quote. */
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if (*walk == '"')
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walk++;
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if ((result = next_state(token)) != NULL)
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return result;
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break;
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}
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}
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if (strcmp(token->name, "end") == 0) {
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//printf("checking for end: *%s*\n", walk);
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if (*walk == '\0' || *walk == '\n' || *walk == '\r') {
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if ((result = next_state(token)) != NULL)
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return result;
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/* To make sure we start with an appropriate matching
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* datastructure for commands which do *not* specify any
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* criteria, we re-initialize the criteria system after
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* every command. */
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// TODO: make this testable
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walk++;
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break;
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}
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}
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}
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||
}
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return NULL;
|
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}
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||
|
||
|
||
/*
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* Having verboselog() and errorlog() is necessary when using libi3.
|
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*
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||
*/
|
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void verboselog(char *fmt, ...) {
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va_list args;
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|
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va_start(args, fmt);
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vfprintf(stdout, fmt, args);
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va_end(args);
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}
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|
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void errorlog(char *fmt, ...) {
|
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va_list args;
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va_start(args, fmt);
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vfprintf(stderr, fmt, args);
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va_end(args);
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}
|
||
|
||
/*
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* This function resolves ~ in pathnames.
|
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* It may resolve wildcards in the first part of the path, but if no match
|
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* or multiple matches are found, it just returns a copy of path as given.
|
||
*
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||
*/
|
||
static char *resolve_tilde(const char *path) {
|
||
static glob_t globbuf;
|
||
char *head, *tail, *result;
|
||
|
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tail = strchr(path, '/');
|
||
head = strndup(path, tail ? tail - path : strlen(path));
|
||
|
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int res = glob(head, GLOB_TILDE, NULL, &globbuf);
|
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free(head);
|
||
/* no match, or many wildcard matches are bad */
|
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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);
|
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strncpy(result, head, strlen(head));
|
||
if (tail)
|
||
strncat(result, tail, strlen(tail));
|
||
}
|
||
globfree(&globbuf);
|
||
|
||
return result;
|
||
}
|
||
|
||
/*
|
||
* Handles expose events, that is, draws the window contents.
|
||
*
|
||
*/
|
||
static int handle_expose() {
|
||
/* re-draw the background */
|
||
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);
|
||
|
||
set_font(&font);
|
||
|
||
#define txt(x, row, text) \
|
||
draw_text_ascii(text, pixmap, pixmap_gc,\
|
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x, (row - 1) * font.height + 4, 300 - x * 2)
|
||
|
||
if (current_step == STEP_WELCOME) {
|
||
/* restore font color */
|
||
set_font_colors(pixmap_gc, get_colorpixel("#FFFFFF"), get_colorpixel("#000000"));
|
||
|
||
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 */
|
||
set_font_colors(pixmap_gc, get_colorpixel("#00FF00"), get_colorpixel("#000000"));
|
||
txt(25, 5, "<Enter>");
|
||
|
||
/* red */
|
||
set_font_colors(pixmap_gc, get_colorpixel("#FF0000"), get_colorpixel("#000000"));
|
||
txt(31, 7, "<ESC>");
|
||
}
|
||
|
||
if (current_step == STEP_GENERATE) {
|
||
set_font_colors(pixmap_gc, get_colorpixel("#FFFFFF"), get_colorpixel("#000000"));
|
||
|
||
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_Mod4)
|
||
txt(31, 5, "<Alt>");
|
||
else txt(31, 4, "<Win>");
|
||
|
||
/* the selected modifier */
|
||
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 */
|
||
set_font(&font);
|
||
set_font_colors(pixmap_gc, get_colorpixel("#00FF00"), get_colorpixel("#000000"));
|
||
txt(25, 9, "<Enter>");
|
||
|
||
/* red */
|
||
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 */
|
||
xcb_copy_area(conn, pixmap, win, pixmap_gc, 0, 0, 0, 0, /* */ 500, 500);
|
||
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();
|
||
}
|
||
|
||
/* 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 >= 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("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");
|
||
|
||
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 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)) {
|
||
/* 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[]) {
|
||
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";
|
||
int o, option_index = 0;
|
||
|
||
static struct option long_options[] = {
|
||
{"socket", required_argument, 0, 's'},
|
||
{"version", no_argument, 0, 'v'},
|
||
{"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 = "s:vh";
|
||
|
||
while ((o = getopt_long(argc, argv, options_string, long_options, &option_index)) != -1) {
|
||
switch (o) {
|
||
case 's':
|
||
FREE(socket_path);
|
||
socket_path = strdup(optarg);
|
||
break;
|
||
case 'v':
|
||
printf("i3-config-wizard " I3_VERSION "\n");
|
||
return 0;
|
||
case 'h':
|
||
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);
|
||
|
||
int screen;
|
||
if ((conn = xcb_connect(NULL, &screen)) == NULL ||
|
||
xcb_connection_has_error(conn))
|
||
errx(1, "Cannot open display\n");
|
||
|
||
if (socket_path == NULL)
|
||
socket_path = root_atom_contents("I3_SOCKET_PATH", conn, screen);
|
||
|
||
if (socket_path == NULL)
|
||
socket_path = "/tmp/i3-ipc.sock";
|
||
|
||
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);
|
||
|
||
/* 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, 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\n");
|
||
|
||
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 = 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);
|
||
pixmap_gc = 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);
|
||
|
||
/* 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);
|
||
}
|
||
|
||
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);
|
||
|
||
switch (type) {
|
||
case XCB_KEY_PRESS:
|
||
handle_key_press(NULL, conn, (xcb_key_press_event_t*)event);
|
||
break;
|
||
|
||
/* TODO: handle mappingnotify */
|
||
|
||
case XCB_BUTTON_PRESS:
|
||
handle_button_press((xcb_button_press_event_t*)event);
|
||
break;
|
||
|
||
case XCB_EXPOSE:
|
||
handle_expose();
|
||
break;
|
||
}
|
||
|
||
free(event);
|
||
}
|
||
|
||
return 0;
|
||
}
|