/**
* Runs a single iteration of the event loop, by capturing an X event and
* acting upon it.
*
* @return true if more events can be processed, false otherwise.
*/
bool XEvents::step()
{
// Grab the next event from X, and then dispatch upon its type
m_xdata.next_event(m_event);
if (m_event.type == m_randroffset + RRNotify)
handle_rrnotify();
if (m_event.type == KeyPress)
handle_keypress();
if (m_event.type == ButtonPress)
handle_buttonpress();
if (m_event.type == ButtonRelease)
handle_buttonrelease();
if (m_event.type == MotionNotify)
handle_motionnotify();
if (m_event.type == MapNotify)
handle_mapnotify();
if (m_event.type == Expose)
handle_expose();
if (m_event.type == DestroyNotify)
handle_destroynotify();
return !m_done;
}
/*
* 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;
}
void default_pointer_handler(XEvent *ev)
{
XEvent tmp;
Window win_pressed;
WThing *t;
bool mouse_grab_held=FALSE;
if(grab_held())
return;
win_pressed=ev->xbutton.window;
if(!handle_button_press(&ev->xbutton))
return;
mouse_grab_held=TRUE;
while(mouse_grab_held){
XFlush(wglobal.dpy);
get_event_mask(ev, GRAB_EV_MASK);
switch(ev->type){
CASE_EVENT(ButtonRelease)
if(handle_button_release(&(ev->xbutton))){
ungrab_kb_ptr();
mouse_grab_held=FALSE;
}
break;
CASE_EVENT(MotionNotify)
handle_pointer_motion(&(ev->xmotion));
break;
CASE_EVENT(Expose)
handle_expose(&(ev->xexpose));
break;
}
}
}
/*
* 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);
if (socket_path == NULL)
socket_path = root_atom_contents("I3_SOCKET_PATH");
if (socket_path == NULL)
socket_path = "/tmp/i3-ipc.sock";
int screens;
if ((conn = xcb_connect(NULL, &screens)) == NULL ||
xcb_connection_has_error(conn))
errx(1, "Cannot open display\n");
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;
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;
}
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;
}
int main(int argc, char* argv[]) {
int sockfd, oldsockfd, portno, n;
socklen_t clilen;
struct sockaddr_in serv_addr, cli_addr;
struct hostent *server;
pthread_t recv_thread;
Colormap map;
Display* display;
int screen_num;
Window win;
unsigned int display_width, display_height;
unsigned int width, height;
char *display_name = getenv("DISPLAY");
GC gc, his_gc, refresh_gc;
if(argc == 2) { // We are server
sending = 1;
if(argc < 2) {
fprintf(stderr,"ERROR, no port provided\n");
exit(1);
}
oldsockfd = socket(AF_INET, SOCK_STREAM, 0);
if(oldsockfd < 0) error("ERROR opening socket");
bzero((char *) &serv_addr, sizeof(serv_addr));
portno = atoi(argv[1]);
serv_addr.sin_family = AF_INET;
serv_addr.sin_addr.s_addr = INADDR_ANY;
serv_addr.sin_port = htons(portno);
int on = 1;
if(setsockopt(oldsockfd, SOL_SOCKET, SO_REUSEADDR, (char*)&on, sizeof(on)) < 0) error("ERROR on sockopt");
if(bind(oldsockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) error("ERROR on binding");
listen(oldsockfd,5);
clilen = sizeof(cli_addr);
sockfd = accept(oldsockfd, (struct sockaddr *) &cli_addr, &clilen);
if (sockfd < 0) error("ERROR on accept");
}
else if(argc == 3) { // We are client
sending = 1;
portno = atoi(argv[2]);
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0) error("ERROR opening socket");
server = gethostbyname(argv[1]);
if(server == NULL) {
fprintf(stderr,"ERROR, no such host\n");
exit(0);
}
bzero((char *) &serv_addr, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
bcopy((char *)(server->h_addr), (char *)(&serv_addr.sin_addr.s_addr), server->h_length);
serv_addr.sin_port = htons(portno);
if (connect(sockfd,(struct sockaddr *) &serv_addr,sizeof(serv_addr)) < 0) error("ERROR connecting");
}
else {
server = 0;
}
display = XOpenDisplay(display_name);
if (display == NULL) {
fprintf(stderr, "%s: cannot connect to X server '%s'\n", argv[0], display_name);
exit(1);
}
screen_num = DefaultScreen(display);
display_width = DisplayWidth(display, screen_num);
display_height = DisplayHeight(display, screen_num);
width = (display_width / 3);
height = (display_height / 3);
Atom wm_delete;
win = create_simple_window(display, &wm_delete, width, height, 0, 0);
XGCValues values;
values.graphics_exposures = 0;
gc = create_gc(display, win);
his_gc = create_gc(display, win);
refresh_gc = XCreateGC(display, win, GCGraphicsExposures, &values);
XSetForeground(display, refresh_gc, WhitePixel(display, screen_num));
XSetBackground(display, refresh_gc, WhitePixel(display, screen_num));
map = DefaultColormap(display, 0);
XParseColor(display, map, "#FFFFFF", &cols[0]);
XAllocColor(display, map, &cols[0]);
XParseColor(display, map, "#000000", &cols[1]);
XAllocColor(display, map, &cols[1]);
XParseColor(display, map, "#FF0000", &cols[2]);
XAllocColor(display, map, &cols[2]);
XParseColor(display, map, "#00FF00", &cols[3]);
XAllocColor(display, map, &cols[3]);
XParseColor(display, map, "#0000FF", &cols[4]);
XAllocColor(display, map, &cols[4]);
XParseColor(display, map, "#FFFF00", &cols[5]);
XAllocColor(display, map, &cols[5]);
XParseColor(display, map, "#FF00FF", &cols[6]);
XAllocColor(display, map, &cols[6]);
XParseColor(display, map, "#00FFFF", &cols[7]);
XAllocColor(display, map, &cols[7]);
XParseColor(display, map, "#999999", &cols[8]);
XAllocColor(display, map, &cols[8]);
XParseColor(display, map, "#666666", &cols[9]);
XAllocColor(display, map, &cols[9]);
set_title(display, win);
back_buffer = XCreatePixmap(display, win, MAX_WIDTH, MAX_HEIGHT, DefaultDepth(display, screen_num));
XFillRectangle(display, back_buffer, refresh_gc, 0, 0, MAX_WIDTH, MAX_HEIGHT);
if(sending) {
recv_info_t info;
info.display = display;
info.window = win;
info.gc = gc;
info.his_gc = his_gc;
info.refresh_gc = refresh_gc;
info.sockfd = sockfd;
pthread_create(&recv_thread, NULL, recv_line, &info);
}
XSelectInput(display, win, ExposureMask | KeyPressMask | ButtonPressMask | Button1MotionMask | StructureNotifyMask);
XEvent an_event;
while(1) {
XNextEvent(display, &an_event);
switch(an_event.type) {
case ClientMessage:
if(an_event.xclient.data.l[0] == wm_delete) quitme(display, gc, his_gc, refresh_gc, sockfd, 0);
break;
case Expose:
handle_expose(display, refresh_gc, (XExposeEvent*)&an_event.xexpose);
break;
case ConfigureNotify:
width = an_event.xconfigure.width;
height = an_event.xconfigure.height;
break;
case ButtonPress:
handle_button_down(display, gc, (XButtonEvent*)&an_event.xbutton, width, height);
break;
case MotionNotify:
handle_drag(display, gc, (XButtonEvent*)&an_event.xbutton, width, height, sockfd);
break;
case KeyPress:
handle_key(display, win, gc, his_gc, refresh_gc, map, (XKeyEvent*)&an_event.xkey, sockfd);
break;
default:
break;
}
}
quitme(display, gc, his_gc, refresh_gc, sockfd, 0);
}
// Handle X event on queue. Return true if event was handled.
bool jbxvt_handle_xevents(xcb_connection_t * xc)
{
jb_check_x(xc);
static bool init;
if (!init) {
// Set up the wm_del_win property here.
wm_del_win(xc);
}
xcb_generic_event_t * event = xcb_poll_for_event(xc);
if (!event) // nothing to process
return false;
bool ret = true;
switch (event->response_type & ~0x80) {
// Put things to ignore here:
case 0: // Unimplemented, undefined, no event
case 150: // Undefined
case XCB_KEY_RELEASE: // Unimplemented
case XCB_MAP_NOTIFY:
case XCB_NO_EXPOSURE: // Unimplemented
case XCB_REPARENT_NOTIFY: // handle here to ensure cursor filled.
ret = false;
break;
case XCB_CONFIGURE_NOTIFY:
jbxvt_resize_window(xc);
break;
case XCB_KEY_PRESS:
key_press(xc, event);
break;
case XCB_CLIENT_MESSAGE:
handle_client_message(xc,
(xcb_client_message_event_t *)event);
break;
case XCB_EXPOSE:
case XCB_GRAPHICS_EXPOSURE:
handle_expose(xc, (xcb_expose_event_t *)event);
break;
case XCB_ENTER_NOTIFY:
case XCB_FOCUS_IN:
handle_focus(true);
break;
case XCB_LEAVE_NOTIFY:
case XCB_FOCUS_OUT:
handle_focus(false);
break;
case XCB_SELECTION_CLEAR:
jbxvt_clear_selection();
break;
case XCB_SELECTION_NOTIFY:
handle_selection_notify(xc,
(xcb_selection_notify_event_t *)event);
break;
case XCB_SELECTION_REQUEST:
handle_selection_request(xc,
(xcb_selection_request_event_t *)event);
break;
case XCB_BUTTON_PRESS:
jbxvt_handle_button_press_event(xc,
(xcb_button_press_event_t *)event);
break;
case XCB_BUTTON_RELEASE:
jbxvt_handle_button_release_event(xc,
(xcb_button_release_event_t *)event);
break;
case XCB_MOTION_NOTIFY:
handle_motion_notify(xc,
(xcb_motion_notify_event_t *)event);
break;
default:
LOG("Unhandled event %d", event->response_type);
}
free(event);
return ret;
}
void handle_event(XEvent *ev)
{
switch(ev->type){
CASE_EVENT(MapRequest)
handle_map_request(&(ev->xmaprequest));
break;
CASE_EVENT(ConfigureRequest)
handle_configure_request(&(ev->xconfigurerequest));
break;
CASE_EVENT(UnmapNotify)
handle_unmap_notify(&(ev->xunmap));
break;
CASE_EVENT(DestroyNotify)
handle_destroy_notify(&(ev->xdestroywindow));
break;
CASE_EVENT(ClientMessage)
handle_client_message(&(ev->xclient));
break;
CASE_EVENT(PropertyNotify)
handle_property(&(ev->xproperty));
break;
CASE_EVENT(FocusIn)
handle_focus_in(&(ev->xfocus));
break;
CASE_EVENT(FocusOut)
handle_focus_out(&(ev->xfocus));
break;
CASE_EVENT(EnterNotify)
handle_enter_window(ev);
break;
CASE_EVENT(Expose)
handle_expose(&(ev->xexpose));
break;
CASE_EVENT(KeyPress)
assert(wglobal.input_handler!=NULL);
assert(wglobal.input_handler->keyboard!=NULL);
wglobal.input_handler->keyboard(ev);
break;
CASE_EVENT(KeyRelease)
assert(wglobal.input_handler!=NULL);
assert(wglobal.input_handler->keyboard!=NULL);
wglobal.input_handler->keyboard(ev);
break;
CASE_EVENT(ButtonPress)
assert(wglobal.input_handler!=NULL);
if(wglobal.input_handler->pointer!=NULL)
wglobal.input_handler->pointer(ev);
break;
CASE_EVENT(ColormapNotify)
handle_colormap_notify(&(ev->xcolormap));
break;
CASE_EVENT(MappingNotify)
XRefreshKeyboardMapping(&(ev->xmapping));
update_modmap();
break;
CASE_EVENT(SelectionClear)
clear_selection();
break;
CASE_EVENT(SelectionNotify)
receive_selection(&(ev->xselection));
break;
CASE_EVENT(SelectionRequest)
send_selection(&(ev->xselectionrequest));
break;
}
}
void
main(int argc, char* argv[])
{
Display* display; /* pointer to X Display structure. */
int screen_num; /* number of screen to place the window on. */
Window win; /* pointer to the newly created window. */
unsigned int display_width,
display_height; /* height and width of the X display. */
unsigned int width, height; /* height and width for the new window. */
char *display_name = getenv("DISPLAY"); /* address of the X display. */
GC gc, rev_gc; /* GC (graphics context) used for drawing */
/* in our window. */
short pixels[1000][1000]; /* used to store pixels on screen that were */
/* explicitly drawn or erased by the user. */
/* initialize the 'pixels' array to contain 0 values. */
{
int x, y;
for (x=0; x<1000; x++)
for (y=0; y<1000; y++)
pixels[x][y] = 0;
}
/* open connection with the X server. */
display = XOpenDisplay(display_name);
if (display == NULL) {
fprintf(stderr, "%s: cannot connect to X server '%s'\n",
argv[0], display_name);
exit(1);
}
/* get the geometry of the default screen for our display. */
screen_num = DefaultScreen(display);
display_width = DisplayWidth(display, screen_num);
display_height = DisplayHeight(display, screen_num);
/* make the new window occupy 1/9 of the screen's size. */
width = (display_width / 3);
height = (display_height / 3);
printf("window width - '%d'; height - '%d'\n", width, height);
/* create a simple window, as a direct child of the screen's */
/* root window. Use the screen's white color as the background */
/* color of the window. Place the new window's top-left corner */
/* at the given 'x,y' coordinates. */
win = create_simple_window(display, width, height, 0, 0);
/* allocate two new GCs (graphics contexts) for drawing in the window. */
/* the first is used for drawing black over white, the second is used */
/* for drawing white over black. */
gc = create_gc(display, win, 0);
rev_gc = create_gc(display, win, 1);
/* subscribe to the given set of event types. */
XSelectInput(display, win, ExposureMask | KeyPressMask |
ButtonPressMask | Button1MotionMask |
Button2MotionMask | Button3MotionMask | StructureNotifyMask);
/* perform an events loop */
{
int done = 0;
XEvent an_event;
while (!done) {
XNextEvent(display, &an_event);
switch (an_event.type) {
case Expose:
/* redraw our window. */
handle_expose(display, gc, rev_gc, (XExposeEvent*)&an_event.xexpose,
width, height, pixels);
break;
case ConfigureNotify:
/* update the size of our window, for expose events. */
width = an_event.xconfigure.width;
height = an_event.xconfigure.height;
break;
case ButtonPress:
/* invert the pixel under the mouse pointer. */
handle_button_down(display, gc, rev_gc,
(XButtonEvent*)&an_event.xbutton,
width, height, pixels);
break;
case MotionNotify:
/* invert the pixel under the mouse pointer. */
handle_drag(display, gc, rev_gc,
(XButtonEvent*)&an_event.xbutton,
width, height, pixels);
break;
case KeyPress:
/* exit the application by braking out of the events loop. */
done = 1;
break;
default: /* ignore any other event types. */
break;
} /* end switch on event type */
} /* end while events handling */
}
/* free the GCs. */
XFreeGC(display, gc);
XFreeGC(display, rev_gc);
/* close the connection to the X server. */
XCloseDisplay(display);
}
/*
* Input thread reading from device.
* Generates events on incoming data.
*/
static void*
x11EventThread( DirectThread *thread, void *driver_data )
{
X11InputData *data = driver_data;
DFBX11 *x11 = data->x11;
DFBX11Shared *shared = x11->shared;
while (!data->stop) {
unsigned int pull = 23;
XEvent xEvent;
DFBInputEvent dfbEvent;
static int nextKeyIsRepeat = false;
/* FIXME: Detect key repeats, we're receiving KeyPress, KeyRelease, KeyPress, KeyRelease... !!?? */
if (shared->window_count == 0) {
/* no window, so no event */
usleep( 50000 );
continue;
}
usleep( 10000 );
XLockDisplay( x11->display );
while (!data->stop && pull-- && XPending( x11->display )) {
XNextEvent( x11->display, &xEvent );
/* is this key repeat? idea from GII */
if ( (xEvent.type == KeyRelease) && (XPending( x11->display )) ) {
XEvent peekEvent;
XPeekEvent( x11->display, &peekEvent );
if ( (peekEvent.type == KeyPress) &&
(peekEvent.xkey.keycode == xEvent.xkey.keycode) &&
(peekEvent.xkey.time - xEvent.xkey.time < 2) ) {
nextKeyIsRepeat = true;
}
}
XUnlockDisplay( x11->display );
D_DEBUG_AT( X11_Input, "Event received: %d\n", xEvent.type );
switch (xEvent.type) {
case ButtonPress:
case ButtonRelease:
motion_realize( data );
case MotionNotify:
handleMouseEvent( &xEvent, data ); // crash ???
break;
case KeyPress:
case KeyRelease: {
motion_realize( data );
dfbEvent.type = (xEvent.type == KeyPress) ? DIET_KEYPRESS : DIET_KEYRELEASE;
dfbEvent.flags = DIEF_KEYCODE | DIEF_TIMESTAMP;
dfbEvent.key_code = xEvent.xkey.keycode;
dfbEvent.timestamp.tv_sec = xEvent.xkey.time / 1000;
dfbEvent.timestamp.tv_usec = (xEvent.xkey.time % 1000) * 1000;
if ( (xEvent.type == KeyPress) && nextKeyIsRepeat ) {
nextKeyIsRepeat = false;
dfbEvent.flags |= DIEF_REPEAT;
}
dfb_input_dispatch( data->device, &dfbEvent );
break;
}
case Expose:
handle_expose( &xEvent.xexpose );
break;
case DestroyNotify:
/* this event is mainly to unblock XNextEvent. */
break;
default:
break;
}
XLockDisplay( x11->display );
}
XUnlockDisplay( x11->display );
if (!data->stop)
motion_realize( data );
}
return NULL;
}
int
main(int argc, char* argv[])
{
Display* display;
Window win;
char *display_name = getenv("DISPLAY");
GC gc, rev_gc;
Atom wmDelete;
struct CEventDescriptor event =
{
.Type = EVENT_NULL
};
InitGUIServer();
ClearScreen();
while (!ProcessGUIServer(&event))
;
display = XOpenDisplay(display_name);
if (display == NULL) {
fprintf(stderr, "%s: cannot connect to X server '%s'\n",
argv[0], display_name);
exit(1);
}
win = create_simple_window(display, SCREEN_WIDTH, SCREEN_HEIGHT, 0, 0);
wmDelete = XInternAtom(display, "WM_DELETE_WINDOW", True);
XSetWMProtocols(display, win, &wmDelete, 1);
gc = create_gc(display, win, 0);
rev_gc = create_gc(display, win, 1);
XSelectInput(display, win, ExposureMask | KeyPressMask |
ButtonPressMask | StructureNotifyMask);
{
int done = 0;
XEvent an_event;
while (!done) {
XNextEvent(display, &an_event);
switch (an_event.type) {
case Expose:
handle_expose(display, gc, rev_gc, (XExposeEvent*)&an_event.xexpose);
break;
case ButtonPress:
handle_button_down(display, gc, rev_gc,
(XButtonEvent*)&an_event.xbutton);
break;
case KeyPress:
done = handle_key_down(display, gc, rev_gc,
(XKeyEvent*)&an_event.xkey);
break;
case ClientMessage:
done = True;
break;
default:
break;
}
}
}
XFreeGC(display, gc);
XFreeGC(display, rev_gc);
XCloseDisplay(display);
return 0;
}
int main(int argc, char *argv[]) {
format = sstrdup("%s");
char *socket_path = NULL;
char *pattern = sstrdup("pango:monospace 8");
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'},
{"format", required_argument, 0, 'F'},
{"font", required_argument, 0, 'f'},
{"help", no_argument, 0, 'h'},
{0, 0, 0, 0}};
char *options_string = "s:p:P:f:l:F:vh";
while ((o = getopt_long(argc, argv, options_string, long_options, &option_index)) != -1) {
switch (o) {
case 's':
FREE(socket_path);
socket_path = sstrdup(optarg);
break;
case 'v':
printf("i3-input " I3_VERSION);
return 0;
case 'p':
/* This option is deprecated, but will still work in i3 v4.1, 4.2 and 4.3 */
fprintf(stderr, "i3-input: WARNING: the -p option is DEPRECATED in favor of the -F (format) option\n");
FREE(format);
sasprintf(&format, "%s%%s", optarg);
break;
case 'l':
limit = atoi(optarg);
break;
case 'P':
i3string_free(prompt);
prompt = i3string_from_utf8(optarg);
break;
case 'f':
FREE(pattern);
pattern = sstrdup(optarg);
break;
case 'F':
FREE(format);
format = sstrdup(optarg);
break;
case 'h':
printf("i3-input " I3_VERSION "\n");
printf("i3-input [-s <socket>] [-F <format>] [-l <limit>] [-P <prompt>] [-f <font>] [-v]\n");
printf("\n");
printf("Example:\n");
printf(" i3-input -F 'workspace \"%%s\"' -P 'Switch to workspace: '\n");
return 0;
}
}
printf("using format \"%s\"\n", format);
int screen;
conn = xcb_connect(NULL, &screen);
if (!conn || xcb_connection_has_error(conn))
die("Cannot open display\n");
sockfd = ipc_connect(socket_path);
root_screen = xcb_aux_get_screen(conn, screen);
root = root_screen->root;
symbols = xcb_key_symbols_alloc(conn);
init_dpi();
font = load_font(pattern, true);
set_font(&font);
if (prompt != NULL)
prompt_offset = predict_text_width(prompt);
const xcb_rectangle_t win_pos = get_window_position();
/* Open an input window */
win = xcb_generate_id(conn);
xcb_create_window(
conn,
XCB_COPY_FROM_PARENT,
win, /* the window id */
root, /* parent == root */
win_pos.x, win_pos.y, win_pos.width, win_pos.height, /* dimensions */
0, /* X11 border = 0, we draw our own */
XCB_WINDOW_CLASS_INPUT_OUTPUT,
XCB_WINDOW_CLASS_COPY_FROM_PARENT, /* copy visual from parent */
XCB_CW_BACK_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK,
(uint32_t[]){
0, /* back pixel: black */
1, /* override redirect: don’t manage this window */
XCB_EVENT_MASK_EXPOSURE});
/* Map the window (make it visible) */
xcb_map_window(conn, win);
/* Initialize the drawable surface */
draw_util_surface_init(conn, &surface, win, get_visualtype(root_screen), win_pos.width, win_pos.height);
/* Grab the keyboard to get all input */
xcb_flush(conn);
/* Try (repeatedly, if necessary) to grab the keyboard. We might not
* get the keyboard at the first attempt because of the keybinding
* still being active when started via a wm’s keybinding. */
xcb_grab_keyboard_cookie_t cookie;
xcb_grab_keyboard_reply_t *reply = NULL;
int count = 0;
while ((reply == NULL || reply->status != XCB_GRAB_STATUS_SUCCESS) && (count++ < 500)) {
cookie = xcb_grab_keyboard(conn, false, win, XCB_CURRENT_TIME, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
reply = xcb_grab_keyboard_reply(conn, cookie, NULL);
usleep(1000);
}
if (reply->status != XCB_GRAB_STATUS_SUCCESS) {
fprintf(stderr, "Could not grab keyboard, status = %d\n", reply->status);
exit(-1);
}
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;
case XCB_KEY_RELEASE:
handle_key_release(NULL, conn, (xcb_key_release_event_t *)event);
break;
case XCB_EXPOSE:
if (((xcb_expose_event_t *)event)->count == 0) {
handle_expose(NULL, conn, (xcb_expose_event_t *)event);
}
break;
}
free(event);
}
draw_util_surface_free(conn, &surface);
return 0;
}
/*
* Handles keypresses by converting the keycodes to keysymbols, then the
* keysymbols to UCS-2. If the conversion succeeded, the glyph is saved in the
* internal buffers and displayed in the input window.
*
* Also handles backspace (deleting one character) and return (sending the
* command to i3).
*
*/
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);
// TODO: port the input handling code from i3lock once libxkbcommon ≥ 0.5.0
// is available in distros.
/* See the documentation of xcb_key_symbols_get_keysym for this one.
* Basically: We get either col 0 or col 1, depending on whether shift is
* pressed. */
int col = (event->state & XCB_MOD_MASK_SHIFT);
/* If modeswitch is currently active, we need to look in group 2 or 3,
* respectively. */
if (modeswitch_active)
col += 2;
xcb_keysym_t sym = xcb_key_press_lookup_keysym(symbols, event, col);
if (sym == XK_Mode_switch) {
printf("Mode switch enabled\n");
modeswitch_active = true;
return 1;
}
if (sym == XK_Return)
finish_input();
if (sym == XK_BackSpace) {
if (input_position == 0)
return 1;
input_position--;
free(glyphs_utf8[input_position]);
handle_expose(NULL, conn, NULL);
return 1;
}
if (sym == XK_Escape) {
exit(0);
}
/* TODO: handle all of these? */
printf("is_keypad_key = %d\n", xcb_is_keypad_key(sym));
printf("is_private_keypad_key = %d\n", xcb_is_private_keypad_key(sym));
printf("xcb_is_cursor_key = %d\n", xcb_is_cursor_key(sym));
printf("xcb_is_pf_key = %d\n", xcb_is_pf_key(sym));
printf("xcb_is_function_key = %d\n", xcb_is_function_key(sym));
printf("xcb_is_misc_function_key = %d\n", xcb_is_misc_function_key(sym));
printf("xcb_is_modifier_key = %d\n", xcb_is_modifier_key(sym));
if (xcb_is_modifier_key(sym) || xcb_is_cursor_key(sym))
return 1;
printf("sym = %c (%d)\n", sym, sym);
/* convert the keysym to UCS */
uint16_t ucs = keysym2ucs(sym);
if ((int16_t)ucs == -1) {
fprintf(stderr, "Keysym could not be converted to UCS, skipping\n");
return 1;
}
xcb_char2b_t inp;
inp.byte1 = (ucs & 0xff00) >> 2;
inp.byte2 = (ucs & 0x00ff) >> 0;
printf("inp.byte1 = %02x, inp.byte2 = %02x\n", inp.byte1, inp.byte2);
/* convert it to UTF-8 */
char *out = convert_ucs2_to_utf8(&inp, 1);
printf("converted to %s\n", out);
glyphs_ucs[input_position] = inp;
glyphs_utf8[input_position] = out;
input_position++;
if (input_position == limit)
finish_input();
handle_expose(NULL, conn, NULL);
return 1;
}
