356 lines
11 KiB
C
356 lines
11 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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*
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* © 2011 Michael Stapelberg and contributors
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*
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* See file LICENSE for license information.
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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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#include <ev.h>
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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 <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 <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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#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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enum { STEP_WELCOME, STEP_GENERATE } current_step = STEP_WELCOME;
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enum { MOD_ALT, MOD_SUPER } modifier = MOD_SUPER;
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static xcb_connection_t *conn;
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static uint32_t font_id;
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static uint32_t font_bold_id;
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static char *socket_path;
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static int sockfd;
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static int font_height;
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static int font_bold_height;
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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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/*
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* Try to get the socket path from X11 and return NULL if it doesn’t work.
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* As i3-msg is a short-running tool, we don’t bother with cleaning up the
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* connection and leave it up to the operating system on exit.
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*
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*/
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static char *socket_path_from_x11() {
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xcb_connection_t *conn;
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int screen;
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if ((conn = xcb_connect(NULL, &screen)) == NULL ||
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xcb_connection_has_error(conn))
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return NULL;
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xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screen);
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xcb_window_t root = root_screen->root;
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xcb_intern_atom_cookie_t atom_cookie;
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xcb_intern_atom_reply_t *atom_reply;
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atom_cookie = xcb_intern_atom(conn, 0, strlen("I3_SOCKET_PATH"), "I3_SOCKET_PATH");
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atom_reply = xcb_intern_atom_reply(conn, atom_cookie, NULL);
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if (atom_reply == NULL)
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return NULL;
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xcb_get_property_cookie_t prop_cookie;
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xcb_get_property_reply_t *prop_reply;
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prop_cookie = xcb_get_property_unchecked(conn, false, root, atom_reply->atom,
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XCB_GET_PROPERTY_TYPE_ANY, 0, PATH_MAX);
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prop_reply = xcb_get_property_reply(conn, prop_cookie, NULL);
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if (prop_reply == NULL || xcb_get_property_value_length(prop_reply) == 0)
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return NULL;
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if (asprintf(&socket_path, "%.*s", xcb_get_property_value_length(prop_reply),
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(char*)xcb_get_property_value(prop_reply)) == -1)
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return NULL;
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return socket_path;
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}
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/*
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* Handles expose events, that is, draws the window contents.
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*
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*/
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static int handle_expose() {
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/* re-draw the background */
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xcb_rectangle_t border = {0, 0, 300, (15*font_height) + 8},
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inner = {2, 2, 296, (15*font_height) + 8 - 4};
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xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#285577"));
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xcb_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &border);
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xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
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xcb_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &inner);
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xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FONT, font_id);
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#define txt(x, row, text) xcb_image_text_8(conn, strlen(text), pixmap, pixmap_gc, x, (row * font_height) + 2, text)
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if (current_step == STEP_WELCOME) {
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/* restore font color */
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xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#FFFFFF"));
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txt(10, 1, "i3: first configuration");
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txt(10, 4, "You have not configured i3 yet.");
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txt(10, 5, "Do you want me to generate ~/.i3/config?");
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txt(85, 8, "Yes, generate ~/.i3/config");
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txt(85, 10, "No, I will use the defaults");
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/* green */
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xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#00FF00"));
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txt(25, 8, "<Enter>");
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/* red */
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xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#FF0000"));
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txt(31, 10, "<ESC>");
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}
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if (current_step == STEP_GENERATE) {
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xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#FFFFFF"));
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txt(10, 1, "i3: generate config");
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txt(10, 4, "Please choose either:");
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txt(85, 6, "Win as default modifier");
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txt(85, 7, "Alt as default modifier");
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txt(10, 9, "Afterwards, press");
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txt(85, 11, "to write ~/.i3/config");
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txt(85, 12, "to abort");
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/* the not-selected modifier */
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if (modifier == MOD_SUPER)
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txt(31, 7, "<Alt>");
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else txt(31, 6, "<Win>");
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/* the selected modifier */
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xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FONT, font_bold_id);
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if (modifier == MOD_SUPER)
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txt(31, 6, "<Win>");
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else txt(31, 7, "<Alt>");
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/* green */
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uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_FONT;
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uint32_t values[] = { get_colorpixel(conn, "#00FF00"), font_id };
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xcb_change_gc(conn, pixmap_gc, mask, values);
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txt(25, 11, "<Enter>");
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/* red */
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xcb_change_gc_single(conn, pixmap_gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#FF0000"));
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txt(31, 12, "<ESC>");
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}
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/* Copy the contents of the pixmap to the real window */
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xcb_copy_area(conn, pixmap, win, pixmap_gc, 0, 0, 0, 0, /* */ 500, 500);
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xcb_flush(conn);
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return 1;
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}
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static int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_t *event) {
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printf("Keypress %d, state raw = %d\n", event->detail, event->state);
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xcb_keysym_t sym = xcb_key_press_lookup_keysym(symbols, event, event->state);
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printf("sym = %c (%d)\n", sym, sym);
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if (sym == XK_Return) {
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if (current_step == STEP_WELCOME)
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current_step = STEP_GENERATE;
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else finish();
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}
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/* cancel any time */
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if (sym == XK_Escape)
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exit(0);
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if (sym == XK_Alt_L)
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modifier = MOD_ALT;
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if (sym == XK_Super_L)
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modifier = MOD_SUPER;
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handle_expose();
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return 1;
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}
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static void finish() {
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printf("finishing the wizard\n");
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#if 0
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dpy = XOpenDisplay(NULL);
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FILE *kc_config = fopen("../i3.config.kc", "r");
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char *line = NULL;
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size_t len = 0;
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ssize_t read;
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while ((read = getline(&line, &len, kc_config)) != -1) {
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/* See if that line is interesting by skipping leading whitespaces,
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* then checking for 'bindcode' */
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char *walk = line;
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while (isspace(*walk) && walk < (line + len))
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walk++;
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if (strncmp(walk, "bindcode", strlen("bindcode")) != 0)
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continue;
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char *result = rewrite_binding(walk);
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printf("in: %s", walk);
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printf("out: %s", result);
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free(result);
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}
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free(line);
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fclose(kc_config);
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exit(0);
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#endif
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exit(0);
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}
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int main(int argc, char *argv[]) {
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socket_path = getenv("I3SOCK");
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char *pattern = "-misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1";
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char *patternbold = "-misc-fixed-bold-r-normal--13-120-75-75-C-70-iso10646-1";
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int o, option_index = 0;
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static struct option long_options[] = {
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{"socket", required_argument, 0, 's'},
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{"version", no_argument, 0, 'v'},
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{"limit", required_argument, 0, 'l'},
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{"prompt", required_argument, 0, 'P'},
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{"prefix", required_argument, 0, 'p'},
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{"font", required_argument, 0, 'f'},
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{"help", no_argument, 0, 'h'},
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{0, 0, 0, 0}
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};
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char *options_string = "s:vh";
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while ((o = getopt_long(argc, argv, options_string, long_options, &option_index)) != -1) {
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switch (o) {
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case 's':
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FREE(socket_path);
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socket_path = strdup(optarg);
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break;
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case 'v':
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printf("i3-config-wizard " I3_VERSION);
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return 0;
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case 'h':
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printf("i3-config-wizard " I3_VERSION);
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printf("i3-config-wizard [-s <socket>] [-v]\n");
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return 0;
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}
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}
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if (socket_path == NULL)
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socket_path = socket_path_from_x11();
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if (socket_path == NULL)
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socket_path = "/tmp/i3-ipc.sock";
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int screens;
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conn = xcb_connect(NULL, &screens);
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if (xcb_connection_has_error(conn))
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errx(1, "Cannot open display\n");
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xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screens);
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root = root_screen->root;
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symbols = xcb_key_symbols_alloc(conn);
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font_id = get_font_id(conn, pattern, &font_height);
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font_bold_id = get_font_id(conn, patternbold, &font_bold_height);
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/* Open an input window */
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win = open_input_window(conn, 300, 205);
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/* Create pixmap */
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pixmap = xcb_generate_id(conn);
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pixmap_gc = xcb_generate_id(conn);
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xcb_create_pixmap(conn, root_screen->root_depth, pixmap, win, 500, 500);
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xcb_create_gc(conn, pixmap_gc, pixmap, 0, 0);
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/* Set input focus (we have override_redirect=1, so the wm will not do
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* this for us) */
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xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, win, XCB_CURRENT_TIME);
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/* Grab the keyboard to get all input */
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xcb_flush(conn);
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/* Try (repeatedly, if necessary) to grab the keyboard. We might not
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* get the keyboard at the first attempt because of the keybinding
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* still being active when started via a wm’s keybinding. */
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xcb_grab_keyboard_cookie_t cookie;
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xcb_grab_keyboard_reply_t *reply = NULL;
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int count = 0;
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while ((reply == NULL || reply->status != XCB_GRAB_STATUS_SUCCESS) && (count++ < 500)) {
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cookie = xcb_grab_keyboard(conn, false, win, XCB_CURRENT_TIME, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
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reply = xcb_grab_keyboard_reply(conn, cookie, NULL);
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usleep(1000);
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}
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if (reply->status != XCB_GRAB_STATUS_SUCCESS) {
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fprintf(stderr, "Could not grab keyboard, status = %d\n", reply->status);
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exit(-1);
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}
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xcb_flush(conn);
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xcb_generic_event_t *event;
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while ((event = xcb_wait_for_event(conn)) != NULL) {
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if (event->response_type == 0) {
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fprintf(stderr, "X11 Error received! sequence %x\n", event->sequence);
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continue;
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}
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/* Strip off the highest bit (set if the event is generated) */
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int type = (event->response_type & 0x7F);
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switch (type) {
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case XCB_KEY_PRESS:
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handle_key_press(NULL, conn, (xcb_key_press_event_t*)event);
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break;
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/* TODO: handle mappingnotify */
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case XCB_EXPOSE:
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handle_expose();
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break;
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}
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free(event);
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}
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return 0;
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}
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