static int
deploy(void)
{
/* init xcb and grab events */
uint32_t values[2];
int mask;
if (xcb_connection_has_error(conn = xcb_connect(NULL, NULL)))
return -1;
scr = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
focuswin = scr->root;
#ifdef ENABLE_MOUSE
xcb_grab_button(conn, 0, scr->root, XCB_EVENT_MASK_BUTTON_PRESS |
XCB_EVENT_MASK_BUTTON_RELEASE, XCB_GRAB_MODE_ASYNC,
XCB_GRAB_MODE_ASYNC, scr->root, XCB_NONE, 1, MOD);
xcb_grab_button(conn, 0, scr->root, XCB_EVENT_MASK_BUTTON_PRESS |
XCB_EVENT_MASK_BUTTON_RELEASE, XCB_GRAB_MODE_ASYNC,
XCB_GRAB_MODE_ASYNC, scr->root, XCB_NONE, 3, MOD);
#endif
mask = XCB_CW_EVENT_MASK;
values[0] = XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY;
xcb_change_window_attributes_checked(conn, scr->root, mask, values);
xcb_flush(conn);
return 0;
}
void register_events(void)
{
uint32_t values[] = {ROOT_EVENT_MASK};
xcb_generic_error_t *e = xcb_request_check(dpy, xcb_change_window_attributes_checked(dpy, screen->root, XCB_CW_EVENT_MASK, values));
if (e != NULL) {
xcb_disconnect(dpy);
err("another WM is already running\n");
}
}
static leaf_error_t leaf_init()
{
int first_screen = 0;
xcb_screen_iterator_t iter;
struct sigaction action;
uint32_t values;
xcb_void_cookie_t cookie;
xcb_generic_error_t *status = NULL;
gconf.running = false;
action.sa_handler = stop_signal_handler;
action.sa_flags = 0;
sigemptyset(&action.sa_mask);
/* Catch signals */
/*
* TODO: Catch sighup
*/
sigaction(SIGINT, &action, NULL);
sigaction(SIGTERM, &action, NULL);
/* Initialize connection to the X server */
gconf.conn = xcb_connect(NULL, &first_screen);
if (xcb_connection_has_error(gconf.conn)) {
print_e("Cannot initialize connection to the X server");
return ERR_CONN;
}
print_d("First screen = %i", first_screen);
/* Get back X data */
gconf.xsetup = xcb_get_setup(gconf.conn);
/* Find the first screen */
iter = xcb_setup_roots_iterator(gconf.xsetup);
while (first_screen--)
xcb_screen_next(&iter);
gconf.screen = iter.data;
/* Configure the root screen to get window's events */
values = \
XCB_EVENT_MASK_STRUCTURE_NOTIFY |
XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY;
cookie = xcb_change_window_attributes_checked(gconf.conn,
gconf.screen->root,
XCB_CW_EVENT_MASK,
&values);
status = xcb_request_check(gconf.conn, cookie);
xcb_flush(gconf.conn);
if (status)
{
print_d("X is busy, another window manager may be running (%d)",
status->error_code);
free(status);
return ERR_CONN;
}
return ERR_NONE;
}
void register_events(void)
{
uint32_t values[] = {ROOT_EVENT_MASK};
xcb_generic_error_t *err = xcb_request_check(dpy, xcb_change_window_attributes_checked(dpy, screen->root, XCB_CW_EVENT_MASK, values));
if (err != NULL) {
xcb_disconnect(dpy);
die("another WM is already running\n");
}
xcb_grab_button(dpy, false, screen->root, XCB_EVENT_MASK_BUTTON_PRESS, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_NONE, XCB_NONE, XCB_BUTTON_INDEX_1, BUTTON_MODIFIER);
xcb_grab_button(dpy, false, screen->root, XCB_EVENT_MASK_BUTTON_PRESS, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_NONE, XCB_NONE, XCB_BUTTON_INDEX_2, BUTTON_MODIFIER);
xcb_grab_button(dpy, false, screen->root, XCB_EVENT_MASK_BUTTON_PRESS, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_NONE, XCB_NONE, XCB_BUTTON_INDEX_3, BUTTON_MODIFIER);
}
/* Used to handle the xcb_create_notify_event_t. Resizes the window to fit the current screen. */
void handleNewWindow(xcb_connection_t *conn,xcb_generic_event_t *evt,int frameNum,std::vector<xcb_window_t> (&frames)[NUM_FRAMES]) {
if(frameNum > NUM_FRAMES) {
return;
}
/* Converting the xcb generic event into a notify event to extract window number */
xcb_create_notify_event_t *notifyEvent = (xcb_create_notify_event_t *)evt;
xcb_window_t newWindow = notifyEvent->window;
// frames[frameNum].push_back(newWindow);
uint32_t mask;
uint32_t vals[1];
mask = XCB_CW_EVENT_MASK;
vals[0] = XCB_EVENT_MASK_KEY_PRESS | XCB_EVENT_MASK_KEY_RELEASE;
xcb_change_window_attributes_checked(conn,newWindow,mask,vals);
}
static void
setup_win (xcb_window_t win) {
uint32_t mask = 0, values[3];
values[0] = XCB_EVENT_MASK_ENTER_WINDOW;
values[1] = XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY;
xcb_change_window_attributes_checked(conn, win, XCB_CW_EVENT_MASK,
values);
/* border width */
values[0] = BORDERWIDTH;
values[1] = XCB_NONE;
mask = XCB_CONFIG_WINDOW_BORDER_WIDTH;
xcb_configure_window(conn, win, mask, values);
}
/**
* @brief Try to detect if another WM exists.
*
* If another WM exists (this can be seen by whether it has registered itself
* with the X11 server) then howm will exit.
*/
void check_other_wm(void)
{
xcb_generic_error_t *e;
uint32_t values[1] = { XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY |
XCB_EVENT_MASK_BUTTON_PRESS |
XCB_EVENT_MASK_PROPERTY_CHANGE
};
e = xcb_request_check(dpy, xcb_change_window_attributes_checked(dpy,
screen->root, XCB_CW_EVENT_MASK, values));
if (e != NULL) {
xcb_disconnect(dpy);
log_err("Couldn't register as WM. Perhaps another WM is running? XCB returned error_code: %d", e->error_code);
exit(EXIT_FAILURE);
}
free(e);
}
static
int init_screen() {
uint32_t values;
xcb_void_cookie_t cookie;
/* get the first screen */
nil_.scr = xcb_setup_roots_iterator(xcb_get_setup(nil_.con)).data;
NIL_LOG("screen %d (%dx%d)", nil_.scr->root,
nil_.scr->width_in_pixels, nil_.scr->height_in_pixels);
/* Select for events, and at the same time, send SubstructureRedirect */
values = XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY
| XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_PROPERTY_CHANGE;
cookie = xcb_change_window_attributes_checked(nil_.con, nil_.scr->root,
XCB_CW_EVENT_MASK, &values);
if (xcb_request_check(nil_.con, cookie)) {
NIL_ERR("Another window manager is already running %u", cookie.sequence);
return -1;
}
/* TODO: set up all existing windows */
return 0;
}
static void
init (void) {
uint32_t mask = 0, values[2];
if (xcb_connection_has_error(conn = xcb_connect(NULL, NULL)))
errx(1, "error connecting to xcb");
scr = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
key_t key = 0x0DEADCA7;
int shmid;
if ((shmid = shmget(key, sizeof(xcb_window_t), IPC_CREAT | 0666)) < 0)
warnx("shmget error");
if ((focuswin = shmat(shmid, NULL, 0)) == (xcb_window_t *) -1)
warnx("shmat error");
(*focuswin) = scr->root;
grab_keys();
xcb_grab_button(conn, 0, scr->root, XCB_EVENT_MASK_BUTTON_PRESS |
XCB_EVENT_MASK_BUTTON_RELEASE, XCB_GRAB_MODE_ASYNC,
XCB_GRAB_MODE_ASYNC, scr->root, XCB_NONE, 1, MOD);
xcb_grab_button(conn, 0, scr->root, XCB_EVENT_MASK_BUTTON_PRESS |
XCB_EVENT_MASK_BUTTON_RELEASE, XCB_GRAB_MODE_ASYNC,
XCB_GRAB_MODE_ASYNC, scr->root, XCB_NONE, 3, MOD);
mask = XCB_CW_EVENT_MASK;
values[0] = XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY;
xcb_change_window_attributes_checked(conn, scr->root, mask, values);
xcb_flush(conn);
}
bool _xcb_change_event_mask(xcb_connection_t* conn, xcb_window_t window, uint32_t mask, bool remove)
{
uint32_t your_event_mask = _xcb_get_event_mask(conn, window);
uint32_t masks[1];
if (remove) {
masks[0] = your_event_mask & (~mask);
} else {
masks[0] = your_event_mask | mask;
}
if (masks[0] == your_event_mask) {
return true;
}
xcb_void_cookie_t change_attr_cookie = xcb_change_window_attributes_checked(conn, window, XCB_CW_EVENT_MASK, masks);
xcb_generic_error_t* error = NULL;
if ((error = xcb_request_check(conn, change_attr_cookie)) != NULL) {
free(error);
return false;
}
return true;
}
int main(void)
{
xcb_connection_t *c;
xcb_screen_t *s;
xcb_window_t w;
xcb_gcontext_t g;
xcb_generic_event_t *e;
uint32_t mask;
uint32_t values[4];
int done =0 ;
signal(SIGSEGV, handler);
/* open connection with the server */
c = xcb_connect(NULL,NULL);
if (xcb_connection_has_error(c)) {
printf("Cannot open display\n");
exit(1);
}
/* get the first screen */
s = xcb_setup_roots_iterator( xcb_get_setup(c) ).data;
xcb_get_geometry_reply_t *geo;
/* create sub window */
w= xcb_generate_id(c);
mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;
values[0] = s->black_pixel;
values[1] = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_KEY_PRESS;
xcb_void_cookie_t cookie;
int width =640;
int height =480;
mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;
values[0] = s->white_pixel;
values[1] = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_KEY_PRESS
| XCB_EVENT_MASK_VISIBILITY_CHANGE
;
values[1] = 0xffff;
xcb_create_window(c, s->root_depth, w, s->root,
10, 10, width, height,
1,
XCB_WINDOW_CLASS_INPUT_OUTPUT, s->root_visual,
mask, values);
xcb_map_window(c, w); xcb_flush(c);
// xcb_reparent_window(c, child, G.s->root,100,100);
values[1] |= XCB_EVENT_MASK_POINTER_MOTION |
XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE;
xcb_change_window_attributes_checked(c, w, mask, values); xcb_flush(c);
G.conn = c;
G.s = s;
create_dri_drawable();
printf("wait event\n");
while (!done ) {
//printf("\re=>(x%x)", e->response_type); fflush(stdout);
e = xcb_wait_for_event(c);
if(!e) { printf("wait event error\n");
break;}
else{
switch (e->response_type & ~0x80) {
case XCB_EXPOSE: /* draw or redraw the window */
printf("XCB_EXPOSE\n");
// draw_gc(w);
break;
case XCB_KEY_PRESS: /* exit on key press */
printf("KEY\n");
struct xcb_key_press_event_t *ep = e;
printf("key=%d\n", (char)ep->detail);
if(ep->detail == 9)
exit(1);
draw_gc(w);
//gwj done = 1;
break;
case XCB_MOTION_NOTIFY:
{
printf("XCB_MOTION\n");
}
break;
default:
printf("default e=%d\n",e->response_type);
break;
}
free(e);
}
}
xcb_unmap_window(c, w);
xcb_destroy_window(c, w);
return 0;
}
/*
* Do some sanity checks and then reparent the window.
*
*/
void manage_window(xcb_window_t window, xcb_get_window_attributes_cookie_t cookie,
bool needs_to_be_mapped) {
xcb_drawable_t d = {window};
xcb_get_geometry_cookie_t geomc;
xcb_get_geometry_reply_t *geom;
xcb_get_window_attributes_reply_t *attr = NULL;
xcb_get_property_cookie_t wm_type_cookie, strut_cookie, state_cookie,
utf8_title_cookie, title_cookie,
class_cookie, leader_cookie, transient_cookie,
role_cookie, startup_id_cookie, wm_hints_cookie,
wm_normal_hints_cookie, motif_wm_hints_cookie;
geomc = xcb_get_geometry(conn, d);
/* Check if the window is mapped (it could be not mapped when intializing and
calling manage_window() for every window) */
if ((attr = xcb_get_window_attributes_reply(conn, cookie, 0)) == NULL) {
DLOG("Could not get attributes\n");
xcb_discard_reply(conn, geomc.sequence);
return;
}
if (needs_to_be_mapped && attr->map_state != XCB_MAP_STATE_VIEWABLE) {
xcb_discard_reply(conn, geomc.sequence);
goto out;
}
/* Don’t manage clients with the override_redirect flag */
if (attr->override_redirect) {
xcb_discard_reply(conn, geomc.sequence);
goto out;
}
/* Check if the window is already managed */
if (con_by_window_id(window) != NULL) {
DLOG("already managed (by con %p)\n", con_by_window_id(window));
xcb_discard_reply(conn, geomc.sequence);
goto out;
}
/* Get the initial geometry (position, size, …) */
if ((geom = xcb_get_geometry_reply(conn, geomc, 0)) == NULL) {
DLOG("could not get geometry\n");
goto out;
}
uint32_t values[1];
/* Set a temporary event mask for the new window, consisting only of
* PropertyChange and StructureNotify. We need to be notified of
* PropertyChanges because the client can change its properties *after* we
* requested them but *before* we actually reparented it and have set our
* final event mask.
* We need StructureNotify because the client may unmap the window before
* we get to re-parent it.
* If this request fails, we assume the client has already unmapped the
* window between the MapRequest and our event mask change. */
values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE |
XCB_EVENT_MASK_STRUCTURE_NOTIFY;
xcb_void_cookie_t event_mask_cookie =
xcb_change_window_attributes_checked(conn, window, XCB_CW_EVENT_MASK, values);
if (xcb_request_check(conn, event_mask_cookie) != NULL) {
LOG("Could not change event mask, the window probably already disappeared.\n");
goto out;
}
#define GET_PROPERTY(atom, len) xcb_get_property(conn, false, window, atom, XCB_GET_PROPERTY_TYPE_ANY, 0, len)
wm_type_cookie = GET_PROPERTY(A__NET_WM_WINDOW_TYPE, UINT32_MAX);
strut_cookie = GET_PROPERTY(A__NET_WM_STRUT_PARTIAL, UINT32_MAX);
state_cookie = GET_PROPERTY(A__NET_WM_STATE, UINT32_MAX);
utf8_title_cookie = GET_PROPERTY(A__NET_WM_NAME, 128);
leader_cookie = GET_PROPERTY(A_WM_CLIENT_LEADER, UINT32_MAX);
transient_cookie = GET_PROPERTY(XCB_ATOM_WM_TRANSIENT_FOR, UINT32_MAX);
title_cookie = GET_PROPERTY(XCB_ATOM_WM_NAME, 128);
class_cookie = GET_PROPERTY(XCB_ATOM_WM_CLASS, 128);
role_cookie = GET_PROPERTY(A_WM_WINDOW_ROLE, 128);
startup_id_cookie = GET_PROPERTY(A__NET_STARTUP_ID, 512);
wm_hints_cookie = xcb_icccm_get_wm_hints(conn, window);
wm_normal_hints_cookie = xcb_icccm_get_wm_normal_hints(conn, window);
motif_wm_hints_cookie = GET_PROPERTY(A__MOTIF_WM_HINTS, 5 * sizeof(uint64_t));
DLOG("Managing window 0x%08x\n", window);
i3Window *cwindow = scalloc(1, sizeof(i3Window));
cwindow->id = window;
cwindow->depth = get_visual_depth(attr->visual);
/* We need to grab buttons 1-3 for click-to-focus and buttons 1-5
* to allow for mouse bindings using --whole-window to work correctly. */
xcb_grab_button(conn, false, window, XCB_EVENT_MASK_BUTTON_PRESS,
XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
XCB_BUTTON_INDEX_ANY,
XCB_BUTTON_MASK_ANY /* don’t filter for any modifiers */);
/* update as much information as possible so far (some replies may be NULL) */
window_update_class(cwindow, xcb_get_property_reply(conn, class_cookie, NULL), true);
window_update_name_legacy(cwindow, xcb_get_property_reply(conn, title_cookie, NULL), true);
window_update_name(cwindow, xcb_get_property_reply(conn, utf8_title_cookie, NULL), true);
window_update_leader(cwindow, xcb_get_property_reply(conn, leader_cookie, NULL));
window_update_transient_for(cwindow, xcb_get_property_reply(conn, transient_cookie, NULL));
window_update_strut_partial(cwindow, xcb_get_property_reply(conn, strut_cookie, NULL));
window_update_role(cwindow, xcb_get_property_reply(conn, role_cookie, NULL), true);
bool urgency_hint;
window_update_hints(cwindow, xcb_get_property_reply(conn, wm_hints_cookie, NULL), &urgency_hint);
border_style_t motif_border_style = BS_NORMAL;
window_update_motif_hints(cwindow, xcb_get_property_reply(conn, motif_wm_hints_cookie, NULL), &motif_border_style);
xcb_size_hints_t wm_size_hints;
if (!xcb_icccm_get_wm_size_hints_reply(conn, wm_normal_hints_cookie, &wm_size_hints, NULL))
memset(&wm_size_hints, '\0', sizeof(xcb_size_hints_t));
xcb_get_property_reply_t *type_reply = xcb_get_property_reply(conn, wm_type_cookie, NULL);
xcb_get_property_reply_t *state_reply = xcb_get_property_reply(conn, state_cookie, NULL);
xcb_get_property_reply_t *startup_id_reply;
startup_id_reply = xcb_get_property_reply(conn, startup_id_cookie, NULL);
char *startup_ws = startup_workspace_for_window(cwindow, startup_id_reply);
DLOG("startup workspace = %s\n", startup_ws);
/* check if the window needs WM_TAKE_FOCUS */
cwindow->needs_take_focus = window_supports_protocol(cwindow->id, A_WM_TAKE_FOCUS);
/* read the preferred _NET_WM_WINDOW_TYPE atom */
cwindow->window_type = xcb_get_preferred_window_type(type_reply);
/* Where to start searching for a container that swallows the new one? */
Con *search_at = croot;
if (xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_DOCK)) {
LOG("This window is of type dock\n");
Output *output = get_output_containing(geom->x, geom->y);
if (output != NULL) {
DLOG("Starting search at output %s\n", output->name);
search_at = output->con;
}
/* find out the desired position of this dock window */
if (cwindow->reserved.top > 0 && cwindow->reserved.bottom == 0) {
DLOG("Top dock client\n");
cwindow->dock = W_DOCK_TOP;
} else if (cwindow->reserved.top == 0 && cwindow->reserved.bottom > 0) {
DLOG("Bottom dock client\n");
cwindow->dock = W_DOCK_BOTTOM;
} else {
DLOG("Ignoring invalid reserved edges (_NET_WM_STRUT_PARTIAL), using position as fallback:\n");
if (geom->y < (int16_t)(search_at->rect.height / 2)) {
DLOG("geom->y = %d < rect.height / 2 = %d, it is a top dock client\n",
geom->y, (search_at->rect.height / 2));
cwindow->dock = W_DOCK_TOP;
} else {
DLOG("geom->y = %d >= rect.height / 2 = %d, it is a bottom dock client\n",
geom->y, (search_at->rect.height / 2));
cwindow->dock = W_DOCK_BOTTOM;
}
}
}
DLOG("Initial geometry: (%d, %d, %d, %d)\n", geom->x, geom->y, geom->width, geom->height);
Con *nc = NULL;
Match *match = NULL;
Assignment *assignment;
/* TODO: two matches for one container */
/* See if any container swallows this new window */
nc = con_for_window(search_at, cwindow, &match);
if (nc == NULL) {
/* If not, check if it is assigned to a specific workspace */
if ((assignment = assignment_for(cwindow, A_TO_WORKSPACE))) {
DLOG("Assignment matches (%p)\n", match);
Con *assigned_ws = workspace_get(assignment->dest.workspace, NULL);
nc = con_descend_tiling_focused(assigned_ws);
DLOG("focused on ws %s: %p / %s\n", assigned_ws->name, nc, nc->name);
if (nc->type == CT_WORKSPACE)
nc = tree_open_con(nc, cwindow);
else
nc = tree_open_con(nc->parent, cwindow);
/* set the urgency hint on the window if the workspace is not visible */
if (!workspace_is_visible(assigned_ws))
urgency_hint = true;
} else if (startup_ws) {
/* If it’s not assigned, but was started on a specific workspace,
* we want to open it there */
DLOG("Using workspace on which this application was started (%s)\n", startup_ws);
nc = con_descend_tiling_focused(workspace_get(startup_ws, NULL));
DLOG("focused on ws %s: %p / %s\n", startup_ws, nc, nc->name);
if (nc->type == CT_WORKSPACE)
nc = tree_open_con(nc, cwindow);
else
nc = tree_open_con(nc->parent, cwindow);
} else {
/* If not, insert it at the currently focused position */
if (focused->type == CT_CON && con_accepts_window(focused)) {
LOG("using current container, focused = %p, focused->name = %s\n",
focused, focused->name);
nc = focused;
} else
nc = tree_open_con(NULL, cwindow);
}
} else {
/* M_BELOW inserts the new window as a child of the one which was
* matched (e.g. dock areas) */
if (match != NULL && match->insert_where == M_BELOW) {
nc = tree_open_con(nc, cwindow);
}
/* If M_BELOW is not used, the container is replaced. This happens with
* "swallows" criteria that are used for stored layouts, in which case
* we need to remove that criterion, because they should only be valid
* once. */
if (match != NULL && match->insert_where != M_BELOW) {
DLOG("Removing match %p from container %p\n", match, nc);
TAILQ_REMOVE(&(nc->swallow_head), match, matches);
match_free(match);
}
}
DLOG("new container = %p\n", nc);
if (nc->window != NULL && nc->window != cwindow) {
if (!restore_kill_placeholder(nc->window->id)) {
DLOG("Uh?! Container without a placeholder, but with a window, has swallowed this to-be-managed window?!\n");
} else {
/* Remove remaining criteria, the first swallowed window wins. */
while (!TAILQ_EMPTY(&(nc->swallow_head))) {
Match *first = TAILQ_FIRST(&(nc->swallow_head));
TAILQ_REMOVE(&(nc->swallow_head), first, matches);
match_free(first);
}
}
}
nc->window = cwindow;
x_reinit(nc);
nc->border_width = geom->border_width;
char *name;
sasprintf(&name, "[i3 con] container around %p", cwindow);
x_set_name(nc, name);
free(name);
/* handle fullscreen containers */
Con *ws = con_get_workspace(nc);
Con *fs = (ws ? con_get_fullscreen_con(ws, CF_OUTPUT) : NULL);
if (fs == NULL)
fs = con_get_fullscreen_con(croot, CF_GLOBAL);
if (xcb_reply_contains_atom(state_reply, A__NET_WM_STATE_FULLSCREEN)) {
/* If this window is already fullscreen (after restarting!), skip
* toggling fullscreen, that would drop it out of fullscreen mode. */
if (fs != nc)
con_toggle_fullscreen(nc, CF_OUTPUT);
fs = NULL;
}
bool set_focus = false;
if (fs == NULL) {
DLOG("Not in fullscreen mode, focusing\n");
if (!cwindow->dock) {
/* Check that the workspace is visible and on the same output as
* the current focused container. If the window was assigned to an
* invisible workspace, we should not steal focus. */
Con *current_output = con_get_output(focused);
Con *target_output = con_get_output(ws);
if (workspace_is_visible(ws) && current_output == target_output) {
if (!match || !match->restart_mode) {
set_focus = true;
} else
DLOG("not focusing, matched with restart_mode == true\n");
} else
DLOG("workspace not visible, not focusing\n");
} else
DLOG("dock, not focusing\n");
} else {
DLOG("fs = %p, ws = %p, not focusing\n", fs, ws);
/* Insert the new container in focus stack *after* the currently
* focused (fullscreen) con. This way, the new container will be
* focused after we return from fullscreen mode */
Con *first = TAILQ_FIRST(&(nc->parent->focus_head));
if (first != nc) {
/* We only modify the focus stack if the container is not already
* the first one. This can happen when existing containers swallow
* new windows, for example when restarting. */
TAILQ_REMOVE(&(nc->parent->focus_head), nc, focused);
TAILQ_INSERT_AFTER(&(nc->parent->focus_head), first, nc, focused);
}
}
/* set floating if necessary */
bool want_floating = false;
if (xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_DIALOG) ||
xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_UTILITY) ||
xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_TOOLBAR) ||
xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_SPLASH) ||
xcb_reply_contains_atom(state_reply, A__NET_WM_STATE_MODAL) ||
(wm_size_hints.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE &&
wm_size_hints.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE &&
wm_size_hints.min_height == wm_size_hints.max_height &&
wm_size_hints.min_width == wm_size_hints.max_width)) {
LOG("This window is a dialog window, setting floating\n");
want_floating = true;
}
if (xcb_reply_contains_atom(state_reply, A__NET_WM_STATE_STICKY))
nc->sticky = true;
FREE(state_reply);
FREE(type_reply);
if (cwindow->transient_for != XCB_NONE ||
(cwindow->leader != XCB_NONE &&
cwindow->leader != cwindow->id &&
con_by_window_id(cwindow->leader) != NULL)) {
LOG("This window is transient for another window, setting floating\n");
want_floating = true;
if (config.popup_during_fullscreen == PDF_LEAVE_FULLSCREEN &&
fs != NULL) {
LOG("There is a fullscreen window, leaving fullscreen mode\n");
con_toggle_fullscreen(fs, CF_OUTPUT);
} else if (config.popup_during_fullscreen == PDF_SMART &&
fs != NULL &&
fs->window != NULL) {
i3Window *transient_win = cwindow;
while (transient_win != NULL &&
transient_win->transient_for != XCB_NONE) {
if (transient_win->transient_for == fs->window->id) {
LOG("This floating window belongs to the fullscreen window (popup_during_fullscreen == smart)\n");
set_focus = true;
break;
}
Con *next_transient = con_by_window_id(transient_win->transient_for);
if (next_transient == NULL)
break;
/* Some clients (e.g. x11-ssh-askpass) actually set
* WM_TRANSIENT_FOR to their own window id, so break instead of
* looping endlessly. */
if (transient_win == next_transient->window)
break;
transient_win = next_transient->window;
}
}
}
/* dock clients cannot be floating, that makes no sense */
if (cwindow->dock)
want_floating = false;
/* Plasma windows set their geometry in WM_SIZE_HINTS. */
if ((wm_size_hints.flags & XCB_ICCCM_SIZE_HINT_US_POSITION || wm_size_hints.flags & XCB_ICCCM_SIZE_HINT_P_POSITION) &&
(wm_size_hints.flags & XCB_ICCCM_SIZE_HINT_US_SIZE || wm_size_hints.flags & XCB_ICCCM_SIZE_HINT_P_SIZE)) {
DLOG("We are setting geometry according to wm_size_hints x=%d y=%d w=%d h=%d\n",
wm_size_hints.x, wm_size_hints.y, wm_size_hints.width, wm_size_hints.height);
geom->x = wm_size_hints.x;
geom->y = wm_size_hints.y;
geom->width = wm_size_hints.width;
geom->height = wm_size_hints.height;
}
/* Store the requested geometry. The width/height gets raised to at least
* 75x50 when entering floating mode, which is the minimum size for a
* window to be useful (smaller windows are usually overlays/toolbars/…
* which are not managed by the wm anyways). We store the original geometry
* here because it’s used for dock clients. */
if (nc->geometry.width == 0)
nc->geometry = (Rect){geom->x, geom->y, geom->width, geom->height};
if (motif_border_style != BS_NORMAL) {
DLOG("MOTIF_WM_HINTS specifies decorations (border_style = %d)\n", motif_border_style);
if (want_floating) {
con_set_border_style(nc, motif_border_style, config.default_floating_border_width);
} else {
con_set_border_style(nc, motif_border_style, config.default_border_width);
}
}
if (want_floating) {
DLOG("geometry = %d x %d\n", nc->geometry.width, nc->geometry.height);
/* automatically set the border to the default value if a motif border
* was not specified */
bool automatic_border = (motif_border_style == BS_NORMAL);
floating_enable(nc, automatic_border);
}
/* explicitly set the border width to the default */
if (nc->current_border_width == -1) {
nc->current_border_width = (want_floating ? config.default_floating_border_width : config.default_border_width);
}
/* to avoid getting an UnmapNotify event due to reparenting, we temporarily
* declare no interest in any state change event of this window */
values[0] = XCB_NONE;
xcb_change_window_attributes(conn, window, XCB_CW_EVENT_MASK, values);
xcb_void_cookie_t rcookie = xcb_reparent_window_checked(conn, window, nc->frame, 0, 0);
if (xcb_request_check(conn, rcookie) != NULL) {
LOG("Could not reparent the window, aborting\n");
goto geom_out;
}
values[0] = CHILD_EVENT_MASK & ~XCB_EVENT_MASK_ENTER_WINDOW;
xcb_change_window_attributes(conn, window, XCB_CW_EVENT_MASK, values);
xcb_flush(conn);
/* Put the client inside the save set. Upon termination (whether killed or
* normal exit does not matter) of the window manager, these clients will
* be correctly reparented to their most closest living ancestor (=
* cleanup) */
xcb_change_save_set(conn, XCB_SET_MODE_INSERT, window);
/* Check if any assignments match */
run_assignments(cwindow);
/* 'ws' may be invalid because of the assignments, e.g. when the user uses
* "move window to workspace 1", but had it assigned to workspace 2. */
ws = con_get_workspace(nc);
/* If this window was put onto an invisible workspace (via assignments), we
* render this workspace. It wouldn’t be rendered in our normal code path
* because only the visible workspaces get rendered.
*
* By rendering the workspace, we assign proper coordinates (read: not
* width=0, height=0) to the window, which is important for windows who
* actually use them to position their GUI elements, e.g. rhythmbox. */
if (ws && !workspace_is_visible(ws)) {
/* This is a bit hackish: we need to copy the content container’s rect
* to the workspace, because calling render_con() on the content
* container would also take the shortcut and not render the invisible
* workspace at all. However, just calling render_con() on the
* workspace isn’t enough either — it needs the rect. */
ws->rect = ws->parent->rect;
render_con(ws, true);
/* Disable setting focus, otherwise we’d move focus to an invisible
* workspace, which we generally prevent (e.g. in
* con_move_to_workspace). */
set_focus = false;
}
render_con(croot, false);
/* Send an event about window creation */
ipc_send_window_event("new", nc);
if (set_focus && assignment_for(cwindow, A_NO_FOCUS) != NULL) {
/* The first window on a workspace should always be focused. We have to
* compare with == 1 because the container has already been inserted at
* this point. */
if (con_num_children(ws) == 1) {
DLOG("This is the first window on this workspace, ignoring no_focus.\n");
} else {
DLOG("no_focus was set for con = %p, not setting focus.\n", nc);
set_focus = false;
}
}
/* Defer setting focus after the 'new' event has been sent to ensure the
* proper window event sequence. */
if (set_focus && !nc->window->doesnt_accept_focus && nc->mapped) {
DLOG("Now setting focus.\n");
con_focus(nc);
}
tree_render();
/* Windows might get managed with the urgency hint already set (Pidgin is
* known to do that), so check for that and handle the hint accordingly.
* This code needs to be in this part of manage_window() because the window
* needs to be on the final workspace first. */
con_set_urgency(nc, urgency_hint);
geom_out:
free(geom);
out:
free(attr);
return;
}
void draw_byxid(xcb_window_t xid)
{
xcb_connection_t *c=G.conn;
xcb_window_t w=xid;
xcb_get_geometry_reply_t *geo;
uint32_t mask;
uint32_t values[4];
geo = xcb_get_geometry_reply(G.conn,
xcb_get_geometry(G.conn, w), NULL);
assert(geo != NULL);
printf("get (%hdx%hd)@(%dx%d)\n",
geo->x, geo->y, geo->width, geo->height);
// try require event handler, and draw something.
//start create sub window and draw gc in it.
// getchar();
/* create sub window */
xcb_window_t child;
child = xcb_generate_id(c);
mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;
values[0] = G.s->black_pixel;
values[1] = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_KEY_PRESS;
xcb_void_cookie_t cookie;
// create colormap if needed , window pixfmt is diff from root window.
/* xcb_map_window(c, w); xcb_flush(c); */
//creat a half size window
geo->width /=2;
geo->height /=2;
cookie = xcb_create_window_checked(c, G.s->root_depth, child, w,
10, 10, geo->width, geo->height,
1,
XCB_WINDOW_CLASS_INPUT_OUTPUT, G.s->root_visual,
mask, values);
//check cookie error
if(1){
xcb_generic_error_t *err;
err = xcb_request_check (c, cookie);
if (err){
int code = err->error_code;
free (err);
printf("X11 error %d", code);
assert (code != 0);
}
}
xcb_map_window(c, child); xcb_flush(c);
// xcb_reparent_window(c, child, 0,100,100);
// root=0 return no affected.
xcb_reparent_window(c, child, G.s->root,100,100);
// xcb_map_window(c, child);xcb_flush(c);
// ? why make a pixmap as attribute of new sub window
xcb_pixmap_t pixmap;
xcb_create_pixmap (G.conn, geo->depth, pixmap,
child, geo->width, geo->height);
values[1] |= XCB_EVENT_MASK_POINTER_MOTION |
XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE;
xcb_change_window_attributes_checked(c, child, mask, values); xcb_flush(c);
// xcb_poly_fill_rectangle(c, child, g, 1, &r);
// both map and flush need to show window up
//getchar();
//unmap is minimum window
// xcb_unmap_window(c, child);
// xcb_destroy_window(c, child);
create_dri_drawable();
int done =0 ;
xcb_generic_event_t *e;
printf("wait event\n");
while (!done ) {
printf("\re=>(x%x)", e->response_type); fflush(stdout);
e = xcb_wait_for_event(c);
if(!e)printf("wait event error\n");
else{
switch (e->response_type & ~0x80) {
case XCB_EXPOSE: /* draw or redraw the window */
printf("XCB_EXPOSE\n");
draw_gc(child);
break;
case XCB_KEY_PRESS: /* exit on key press */
//gwj done = 1;
break;
}
free(e);
}
}
xcb_unmap_window(c, child);
xcb_destroy_window(c, child);
}
void*
widget_main (struct widget *widget) {
unsigned short i;
int xcb_fd;
int screen_nbr = 0;
xcb_connection_t *conn = xcb_connect(NULL, NULL);
xcb_ewmh_connection_t *ewmh = malloc(sizeof(xcb_ewmh_connection_t));
struct epoll_event xcb_event;
widget_epoll_init(widget);
if (xcb_connection_has_error(conn)) {
LOG_ERR("could not connect to display %s", getenv("DISPLAY"));
goto cleanup;
}
xcb_intern_atom_cookie_t *ewmh_cookie = xcb_ewmh_init_atoms(conn, ewmh);
xcb_ewmh_init_atoms_replies(ewmh, ewmh_cookie, NULL);
uint32_t values[] = { XCB_EVENT_MASK_PROPERTY_CHANGE };
xcb_generic_event_t *evt;
xcb_generic_error_t *err = xcb_request_check(ewmh->connection,
xcb_change_window_attributes_checked(ewmh->connection,
ewmh->screens[screen_nbr]->root,
XCB_CW_EVENT_MASK,
values));
if (err != NULL) {
LOG_ERR("could not request EWMH property change notifications");
goto cleanup;
}
xcb_fd = xcb_get_file_descriptor(ewmh->connection);
xcb_event.data.fd = xcb_fd;
xcb_event.events = EPOLLIN | EPOLLET;
if (epoll_ctl(efd, EPOLL_CTL_ADD, xcb_fd, &xcb_event) == -1) {
LOG_ERR("failed to add fd to epoll instance: %s", strerror(errno));
return 0;
}
widget_update(widget, ewmh, screen_nbr);
while (true) {
while ((nfds = epoll_wait(efd, events, MAX_EVENTS, -1)) > 0) {
for (i = 0; i < nfds; i++) {
if (events[i].data.fd == widget->bar->efd) {
goto cleanup;
}
}
while ((evt = xcb_poll_for_event(ewmh->connection)) != NULL) {
xcb_property_notify_event_t *pne;
switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
case XCB_PROPERTY_NOTIFY:
pne = (xcb_property_notify_event_t*)evt;
if (pne->atom == ewmh->_NET_DESKTOP_NAMES) {
widget_update(widget, ewmh, screen_nbr);
}
else if (pne->atom == ewmh->_NET_NUMBER_OF_DESKTOPS) {
widget_update(widget, ewmh, screen_nbr);
}
else if (pne->atom == ewmh->_NET_CURRENT_DESKTOP) {
widget_update(widget, ewmh, screen_nbr);
}
default:
break;
}
free(evt);
}
}
}
cleanup:
if (ewmh != NULL) {
xcb_ewmh_connection_wipe(ewmh);
}
if (conn != NULL) {
xcb_disconnect(conn);
}
widget_epoll_cleanup(widget);
widget_clean_exit(widget);
}
/*
* Do some sanity checks and then reparent the window.
*
*/
void manage_window(xcb_window_t window, xcb_get_window_attributes_cookie_t cookie,
bool needs_to_be_mapped) {
xcb_drawable_t d = { window };
xcb_get_geometry_cookie_t geomc;
xcb_get_geometry_reply_t *geom;
xcb_get_window_attributes_reply_t *attr = NULL;
xcb_get_property_cookie_t wm_type_cookie, strut_cookie, state_cookie,
utf8_title_cookie, title_cookie,
class_cookie, leader_cookie, transient_cookie,
role_cookie, startup_id_cookie, wm_hints_cookie;
#ifdef USE_ICONS
xcb_get_property_cookie_t wm_icon_cookie;
#endif
geomc = xcb_get_geometry(conn, d);
#define FREE_GEOMETRY() do { \
if ((geom = xcb_get_geometry_reply(conn, geomc, 0)) != NULL) \
free(geom); \
} while (0)
/* Check if the window is mapped (it could be not mapped when intializing and
calling manage_window() for every window) */
if ((attr = xcb_get_window_attributes_reply(conn, cookie, 0)) == NULL) {
DLOG("Could not get attributes\n");
FREE_GEOMETRY();
return;
}
if (needs_to_be_mapped && attr->map_state != XCB_MAP_STATE_VIEWABLE) {
FREE_GEOMETRY();
goto out;
}
/* Don’t manage clients with the override_redirect flag */
if (attr->override_redirect) {
FREE_GEOMETRY();
goto out;
}
/* Check if the window is already managed */
if (con_by_window_id(window) != NULL) {
DLOG("already managed (by con %p)\n", con_by_window_id(window));
FREE_GEOMETRY();
goto out;
}
/* Get the initial geometry (position, size, …) */
if ((geom = xcb_get_geometry_reply(conn, geomc, 0)) == NULL) {
DLOG("could not get geometry\n");
goto out;
}
uint32_t values[1];
/* Set a temporary event mask for the new window, consisting only of
* PropertyChange and StructureNotify. We need to be notified of
* PropertyChanges because the client can change its properties *after* we
* requested them but *before* we actually reparented it and have set our
* final event mask.
* We need StructureNotify because the client may unmap the window before
* we get to re-parent it.
* If this request fails, we assume the client has already unmapped the
* window between the MapRequest and our event mask change. */
values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE |
XCB_EVENT_MASK_STRUCTURE_NOTIFY;
xcb_void_cookie_t event_mask_cookie =
xcb_change_window_attributes_checked(conn, window, XCB_CW_EVENT_MASK, values);
if (xcb_request_check(conn, event_mask_cookie) != NULL) {
LOG("Could not change event mask, the window probably already disappeared.\n");
goto out;
}
#define GET_PROPERTY(atom, len) xcb_get_property(conn, false, window, atom, XCB_GET_PROPERTY_TYPE_ANY, 0, len)
wm_type_cookie = GET_PROPERTY(A__NET_WM_WINDOW_TYPE, UINT32_MAX);
strut_cookie = GET_PROPERTY(A__NET_WM_STRUT_PARTIAL, UINT32_MAX);
state_cookie = GET_PROPERTY(A__NET_WM_STATE, UINT32_MAX);
utf8_title_cookie = GET_PROPERTY(A__NET_WM_NAME, 128);
leader_cookie = GET_PROPERTY(A_WM_CLIENT_LEADER, UINT32_MAX);
transient_cookie = GET_PROPERTY(XCB_ATOM_WM_TRANSIENT_FOR, UINT32_MAX);
title_cookie = GET_PROPERTY(XCB_ATOM_WM_NAME, 128);
class_cookie = GET_PROPERTY(XCB_ATOM_WM_CLASS, 128);
role_cookie = GET_PROPERTY(A_WM_WINDOW_ROLE, 128);
startup_id_cookie = GET_PROPERTY(A__NET_STARTUP_ID, 512);
wm_hints_cookie = xcb_icccm_get_wm_hints(conn, window);
#ifdef USE_ICONS
wm_icon_cookie = xcb_get_property_unchecked(conn, false, window, A__NET_WM_ICON, XCB_ATOM_CARDINAL, 0, UINT32_MAX);
#endif
/* TODO: also get wm_normal_hints here. implement after we got rid of xcb-event */
DLOG("Managing window 0x%08x\n", window);
i3Window *cwindow = scalloc(sizeof(i3Window));
cwindow->id = window;
cwindow->depth = get_visual_depth(attr->visual);
/* We need to grab the mouse buttons for click to focus */
xcb_grab_button(conn, false, window, XCB_EVENT_MASK_BUTTON_PRESS,
XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
1 /* left mouse button */,
XCB_BUTTON_MASK_ANY /* don’t filter for any modifiers */);
xcb_grab_button(conn, false, window, XCB_EVENT_MASK_BUTTON_PRESS,
XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
2 /* middle mouse button */,
XCB_BUTTON_MASK_ANY /* don’t filter for any modifiers */);
xcb_grab_button(conn, false, window, XCB_EVENT_MASK_BUTTON_PRESS,
XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
3 /* right mouse button */,
XCB_BUTTON_MASK_ANY /* don’t filter for any modifiers */);
/* update as much information as possible so far (some replies may be NULL) */
window_update_class(cwindow, xcb_get_property_reply(conn, class_cookie, NULL), true);
window_update_name_legacy(cwindow, xcb_get_property_reply(conn, title_cookie, NULL), true);
window_update_name(cwindow, xcb_get_property_reply(conn, utf8_title_cookie, NULL), true);
window_update_leader(cwindow, xcb_get_property_reply(conn, leader_cookie, NULL));
window_update_transient_for(cwindow, xcb_get_property_reply(conn, transient_cookie, NULL));
window_update_strut_partial(cwindow, xcb_get_property_reply(conn, strut_cookie, NULL));
window_update_role(cwindow, xcb_get_property_reply(conn, role_cookie, NULL), true);
window_update_hints(cwindow, xcb_get_property_reply(conn, wm_hints_cookie, NULL));
#ifdef USE_ICONS
window_update_icon(cwindow, xcb_get_property_reply(conn, wm_icon_cookie, NULL));
#endif
xcb_get_property_reply_t *startup_id_reply;
startup_id_reply = xcb_get_property_reply(conn, startup_id_cookie, NULL);
char *startup_ws = startup_workspace_for_window(cwindow, startup_id_reply);
DLOG("startup workspace = %s\n", startup_ws);
/* check if the window needs WM_TAKE_FOCUS */
cwindow->needs_take_focus = window_supports_protocol(cwindow->id, A_WM_TAKE_FOCUS);
/* Where to start searching for a container that swallows the new one? */
Con *search_at = croot;
xcb_get_property_reply_t *reply = xcb_get_property_reply(conn, wm_type_cookie, NULL);
if (xcb_reply_contains_atom(reply, A__NET_WM_WINDOW_TYPE_DOCK)) {
LOG("This window is of type dock\n");
Output *output = get_output_containing(geom->x, geom->y);
if (output != NULL) {
DLOG("Starting search at output %s\n", output->name);
search_at = output->con;
}
/* find out the desired position of this dock window */
if (cwindow->reserved.top > 0 && cwindow->reserved.bottom == 0) {
DLOG("Top dock client\n");
cwindow->dock = W_DOCK_TOP;
} else if (cwindow->reserved.top == 0 && cwindow->reserved.bottom > 0) {
DLOG("Bottom dock client\n");
cwindow->dock = W_DOCK_BOTTOM;
} else {
DLOG("Ignoring invalid reserved edges (_NET_WM_STRUT_PARTIAL), using position as fallback:\n");
if (geom->y < (search_at->rect.height / 2)) {
DLOG("geom->y = %d < rect.height / 2 = %d, it is a top dock client\n",
geom->y, (search_at->rect.height / 2));
cwindow->dock = W_DOCK_TOP;
} else {
DLOG("geom->y = %d >= rect.height / 2 = %d, it is a bottom dock client\n",
geom->y, (search_at->rect.height / 2));
cwindow->dock = W_DOCK_BOTTOM;
}
}
}
DLOG("Initial geometry: (%d, %d, %d, %d)\n", geom->x, geom->y, geom->width, geom->height);
Con *nc = NULL;
Match *match = NULL;
Assignment *assignment;
/* TODO: two matches for one container */
/* See if any container swallows this new window */
nc = con_for_window(search_at, cwindow, &match);
if (nc == NULL) {
/* If not, check if it is assigned to a specific workspace / output */
if ((assignment = assignment_for(cwindow, A_TO_WORKSPACE | A_TO_OUTPUT))) {
DLOG("Assignment matches (%p)\n", match);
if (assignment->type == A_TO_WORKSPACE) {
nc = con_descend_tiling_focused(workspace_get(assignment->dest.workspace, NULL));
DLOG("focused on ws %s: %p / %s\n", assignment->dest.workspace, nc, nc->name);
if (nc->type == CT_WORKSPACE)
nc = tree_open_con(nc, cwindow);
else nc = tree_open_con(nc->parent, cwindow);
}
/* TODO: handle assignments with type == A_TO_OUTPUT */
} else if (startup_ws) {
/* If it’s not assigned, but was started on a specific workspace,
* we want to open it there */
DLOG("Using workspace on which this application was started (%s)\n", startup_ws);
nc = con_descend_tiling_focused(workspace_get(startup_ws, NULL));
DLOG("focused on ws %s: %p / %s\n", startup_ws, nc, nc->name);
if (nc->type == CT_WORKSPACE)
nc = tree_open_con(nc, cwindow);
else nc = tree_open_con(nc->parent, cwindow);
} else {
/* If not, insert it at the currently focused position */
if (focused->type == CT_CON && con_accepts_window(focused)) {
LOG("using current container, focused = %p, focused->name = %s\n",
focused, focused->name);
nc = focused;
} else nc = tree_open_con(NULL, cwindow);
}
} else {
/* M_BELOW inserts the new window as a child of the one which was
* matched (e.g. dock areas) */
if (match != NULL && match->insert_where == M_BELOW) {
nc = tree_open_con(nc, cwindow);
}
}
DLOG("new container = %p\n", nc);
nc->window = cwindow;
x_reinit(nc);
nc->border_width = geom->border_width;
char *name;
sasprintf(&name, "[i3 con] container around %p", cwindow);
x_set_name(nc, name);
free(name);
Con *ws = con_get_workspace(nc);
Con *fs = (ws ? con_get_fullscreen_con(ws, CF_OUTPUT) : NULL);
if (fs == NULL)
fs = con_get_fullscreen_con(croot, CF_GLOBAL);
if (fs == NULL) {
DLOG("Not in fullscreen mode, focusing\n");
if (!cwindow->dock) {
/* Check that the workspace is visible and on the same output as
* the current focused container. If the window was assigned to an
* invisible workspace, we should not steal focus. */
Con *current_output = con_get_output(focused);
Con *target_output = con_get_output(ws);
if (workspace_is_visible(ws) && current_output == target_output) {
if (!match || !match->restart_mode) {
con_focus(nc);
} else DLOG("not focusing, matched with restart_mode == true\n");
} else DLOG("workspace not visible, not focusing\n");
} else DLOG("dock, not focusing\n");
} else {
DLOG("fs = %p, ws = %p, not focusing\n", fs, ws);
/* Insert the new container in focus stack *after* the currently
* focused (fullscreen) con. This way, the new container will be
* focused after we return from fullscreen mode */
Con *first = TAILQ_FIRST(&(nc->parent->focus_head));
if (first != nc) {
/* We only modify the focus stack if the container is not already
* the first one. This can happen when existing containers swallow
* new windows, for example when restarting. */
TAILQ_REMOVE(&(nc->parent->focus_head), nc, focused);
TAILQ_INSERT_AFTER(&(nc->parent->focus_head), first, nc, focused);
}
}
/* set floating if necessary */
bool want_floating = false;
if (xcb_reply_contains_atom(reply, A__NET_WM_WINDOW_TYPE_DIALOG) ||
xcb_reply_contains_atom(reply, A__NET_WM_WINDOW_TYPE_UTILITY) ||
xcb_reply_contains_atom(reply, A__NET_WM_WINDOW_TYPE_TOOLBAR) ||
xcb_reply_contains_atom(reply, A__NET_WM_WINDOW_TYPE_SPLASH)) {
LOG("This window is a dialog window, setting floating\n");
want_floating = true;
}
FREE(reply);
if (cwindow->transient_for != XCB_NONE ||
(cwindow->leader != XCB_NONE &&
cwindow->leader != cwindow->id &&
con_by_window_id(cwindow->leader) != NULL)) {
LOG("This window is transient for another window, setting floating\n");
want_floating = true;
if (config.popup_during_fullscreen == PDF_LEAVE_FULLSCREEN &&
fs != NULL) {
LOG("There is a fullscreen window, leaving fullscreen mode\n");
con_toggle_fullscreen(fs, CF_OUTPUT);
} else if (config.popup_during_fullscreen == PDF_SMART &&
fs != NULL &&
fs->window != NULL) {
i3Window *transient_win = cwindow;
while (transient_win != NULL &&
transient_win->transient_for != XCB_NONE) {
if (transient_win->transient_for == fs->window->id) {
LOG("This floating window belongs to the fullscreen window (popup_during_fullscreen == smart)\n");
con_focus(nc);
break;
}
Con *next_transient = con_by_window_id(transient_win->transient_for);
if (next_transient == NULL)
break;
transient_win = next_transient->window;
}
}
}
/* dock clients cannot be floating, that makes no sense */
if (cwindow->dock)
want_floating = false;
/* Store the requested geometry. The width/height gets raised to at least
* 75x50 when entering floating mode, which is the minimum size for a
* window to be useful (smaller windows are usually overlays/toolbars/…
* which are not managed by the wm anyways). We store the original geometry
* here because it’s used for dock clients. */
nc->geometry = (Rect){ geom->x, geom->y, geom->width, geom->height };
if (want_floating) {
DLOG("geometry = %d x %d\n", nc->geometry.width, nc->geometry.height);
floating_enable(nc, true);
}
/* to avoid getting an UnmapNotify event due to reparenting, we temporarily
* declare no interest in any state change event of this window */
values[0] = XCB_NONE;
xcb_change_window_attributes(conn, window, XCB_CW_EVENT_MASK, values);
xcb_void_cookie_t rcookie = xcb_reparent_window_checked(conn, window, nc->frame, 0, 0);
if (xcb_request_check(conn, rcookie) != NULL) {
LOG("Could not reparent the window, aborting\n");
goto geom_out;
}
values[0] = CHILD_EVENT_MASK & ~XCB_EVENT_MASK_ENTER_WINDOW;
xcb_change_window_attributes(conn, window, XCB_CW_EVENT_MASK, values);
xcb_flush(conn);
reply = xcb_get_property_reply(conn, state_cookie, NULL);
if (xcb_reply_contains_atom(reply, A__NET_WM_STATE_FULLSCREEN))
con_toggle_fullscreen(nc, CF_OUTPUT);
FREE(reply);
/* Put the client inside the save set. Upon termination (whether killed or
* normal exit does not matter) of the window manager, these clients will
* be correctly reparented to their most closest living ancestor (=
* cleanup) */
xcb_change_save_set(conn, XCB_SET_MODE_INSERT, window);
/* Check if any assignments match */
run_assignments(cwindow);
/* 'ws' may be invalid because of the assignments, e.g. when the user uses
* "move window to workspace 1", but had it assigned to workspace 2. */
ws = con_get_workspace(nc);
/* If this window was put onto an invisible workspace (via assignments), we
* render this workspace. It wouldn’t be rendered in our normal code path
* because only the visible workspaces get rendered.
*
* By rendering the workspace, we assign proper coordinates (read: not
* width=0, height=0) to the window, which is important for windows who
* actually use them to position their GUI elements, e.g. rhythmbox. */
if (ws && !workspace_is_visible(ws)) {
/* This is a bit hackish: we need to copy the content container’s rect
* to the workspace, because calling render_con() on the content
* container would also take the shortcut and not render the invisible
* workspace at all. However, just calling render_con() on the
* workspace isn’t enough either — it needs the rect. */
ws->rect = ws->parent->rect;
render_con(ws, true);
}
tree_render();
/* Send an event about window creation */
ipc_send_window_new_event(nc);
geom_out:
free(geom);
out:
free(attr);
return;
}
