/**
* @brief Create the EWMH connection, request all of the atoms and set some
* sensible defaults for them.
*/
void setup_ewmh(void)
{
xcb_ewmh_coordinates_t viewport[] = { {0, 0} };
xcb_ewmh_geometry_t workarea[] = { {0, conf.bar_bottom ? 0 : wss[cw].bar_height,
screen_width, screen_height - wss[cw].bar_height} };
ewmh = calloc(1, sizeof(xcb_ewmh_connection_t));
if (!ewmh) {
log_err("Unable to create ewmh connection\n");
exit(EXIT_FAILURE);
}
if (xcb_ewmh_init_atoms_replies(ewmh, xcb_ewmh_init_atoms(dpy, ewmh), NULL) == 0)
log_err("Couldn't initialise ewmh atoms");
xcb_atom_t ewmh_net_atoms[] = { ewmh->_NET_SUPPORTED,
ewmh->_NET_SUPPORTING_WM_CHECK,
ewmh->_NET_DESKTOP_VIEWPORT,
ewmh->_NET_WM_NAME,
ewmh->_NET_WM_STATE,
ewmh->_NET_CLOSE_WINDOW,
ewmh->_NET_WM_STATE_FULLSCREEN,
ewmh->_NET_CURRENT_DESKTOP,
ewmh->_NET_NUMBER_OF_DESKTOPS,
ewmh->_NET_DESKTOP_GEOMETRY,
ewmh->_NET_WORKAREA,
ewmh->_NET_ACTIVE_WINDOW };
xcb_ewmh_set_supported(ewmh, 0, LENGTH(ewmh_net_atoms), ewmh_net_atoms);
xcb_ewmh_set_supporting_wm_check(ewmh, 0, screen->root);
xcb_ewmh_set_desktop_viewport(ewmh, 0, LENGTH(viewport), viewport);
xcb_ewmh_set_wm_name(ewmh, 0, strlen("howm"), "howm");
xcb_ewmh_set_current_desktop(ewmh, 0, cw);
xcb_ewmh_set_number_of_desktops(ewmh, 0, WORKSPACES);
xcb_ewmh_set_workarea(ewmh, 0, LENGTH(workarea), workarea);
xcb_ewmh_set_desktop_geometry(ewmh, 0, screen_width, screen_height);
}
void ewmh_set_supported_atoms(void)
{
xcb_atom_t ewmh_atoms[] = {
cfg.ewmh->_NET_SUPPORTED,
cfg.ewmh->_NET_WM_STATE,
cfg.ewmh->_NET_WM_STATE_FULLSCREEN,
cfg.ewmh->_NET_WM_WINDOW_TYPE,
cfg.ewmh->_NET_WM_WINDOW_TYPE_DIALOG,
cfg.ewmh->_NET_WM_WINDOW_TYPE_UTILITY,
cfg.ewmh->_NET_WM_WINDOW_TYPE_TOOLBAR,
cfg.ewmh->_NET_DESKTOP_NAMES,
cfg.ewmh->_NET_NUMBER_OF_DESKTOPS,
cfg.ewmh->_NET_CURRENT_DESKTOP,
cfg.ewmh->_NET_CLIENT_LIST,
cfg.ewmh->_NET_ACTIVE_WINDOW,
};
xcb_ewmh_set_supported(cfg.ewmh, cfg.def_screen, LENGTH(ewmh_atoms), ewmh_atoms);
}
void setup(void)
{
ewmh_init();
screen = xcb_setup_roots_iterator(xcb_get_setup(dpy)).data;
if (!screen)
die("error: cannot aquire screen\n");
screen_width = screen->width_in_pixels;
screen_height = screen->height_in_pixels;
root_depth = screen->root_depth;
xcb_atom_t net_atoms[] = {ewmh->_NET_SUPPORTED,
ewmh->_NET_DESKTOP_NAMES,
ewmh->_NET_NUMBER_OF_DESKTOPS,
ewmh->_NET_CURRENT_DESKTOP,
ewmh->_NET_CLIENT_LIST,
ewmh->_NET_ACTIVE_WINDOW,
ewmh->_NET_WM_STATE,
ewmh->_NET_WM_STATE_FULLSCREEN,
ewmh->_NET_WM_WINDOW_TYPE,
ewmh->_NET_WM_WINDOW_TYPE_DIALOG,
ewmh->_NET_WM_WINDOW_TYPE_UTILITY,
ewmh->_NET_WM_WINDOW_TYPE_TOOLBAR};
xcb_ewmh_set_supported(ewmh, default_screen, LENGTH(net_atoms), net_atoms);
desk = make_desktop(DEFAULT_DESK_NAME);
last_desk = NULL;
desk_head = desk;
desk_tail = desk;
num_desktops++;
ewmh_update_number_of_desktops();
ewmh_update_desktop_names();
rule_head = make_rule();
frozen_pointer = make_pointer_state();
split_mode = MODE_AUTOMATIC;
}
int
_xcwm_atoms_init(xcwm_context_t *context)
{
xcb_intern_atom_cookie_t *atom_cookies;
xcb_generic_error_t *error;
/* Initialization for the xcb_ewmh connection and EWMH atoms */
atom_cookies = xcb_ewmh_init_atoms(context->conn,
&context->atoms.ewmh_conn);
if (!xcb_ewmh_init_atoms_replies(&context->atoms.ewmh_conn,
atom_cookies, &error)) {
return error->major_code;;
}
/* Set the _NET_SUPPORTED atom for this context
* Most of these are defined as MUSTs in the
* EWMH standards for window managers.
* NOTE: Starting with only a limited set of _NET_WM_STATE. This
* may be expanded. */
xcb_atom_t supported[] =
{
context->atoms.ewmh_conn.WM_PROTOCOLS,
context->atoms.ewmh_conn._NET_SUPPORTED,
context->atoms.ewmh_conn._NET_SUPPORTING_WM_CHECK,
context->atoms.ewmh_conn._NET_CLOSE_WINDOW,
context->atoms.ewmh_conn._NET_WM_NAME,
context->atoms.ewmh_conn._NET_WM_WINDOW_TYPE,
context->atoms.ewmh_conn._NET_WM_WINDOW_TYPE_TOOLBAR,
context->atoms.ewmh_conn._NET_WM_WINDOW_TYPE_MENU,
context->atoms.ewmh_conn._NET_WM_WINDOW_TYPE_UTILITY,
context->atoms.ewmh_conn._NET_WM_WINDOW_TYPE_SPLASH,
context->atoms.ewmh_conn._NET_WM_WINDOW_TYPE_DIALOG,
context->atoms.ewmh_conn._NET_WM_WINDOW_TYPE_DROPDOWN_MENU,
context->atoms.ewmh_conn._NET_WM_WINDOW_TYPE_POPUP_MENU,
context->atoms.ewmh_conn._NET_WM_WINDOW_TYPE_TOOLTIP,
context->atoms.ewmh_conn._NET_WM_WINDOW_TYPE_NOTIFICATION,
context->atoms.ewmh_conn._NET_WM_WINDOW_TYPE_COMBO,
context->atoms.ewmh_conn._NET_WM_WINDOW_TYPE_DND,
context->atoms.ewmh_conn._NET_WM_WINDOW_TYPE_NORMAL,
context->atoms.ewmh_conn._NET_WM_STATE,
context->atoms.ewmh_conn._NET_WM_STATE_MODAL,
context->atoms.ewmh_conn._NET_WM_STATE_HIDDEN
};
xcb_ewmh_set_supported(&context->atoms.ewmh_conn,
context->conn_screen,
21, /* Length of supported[] */
supported);
/* Used erroneously instead of _NET_WM_WINDOW_TYPE_SPLASH by some applications */
context->atoms.net_wm_window_type_splashscreen = _xcwm_atom_get(context, "_NET_WM_WINDOW_TYPE_SPLASHSCREEN");
/* Get the ICCCM atoms we need that are not included in the
* xcb_ewmh_connection_t. */
_xcwm_atom_register(context, "_NET_WM_NAME", set_window_name, XCWM_EVENT_WINDOW_NAME);
_xcwm_atom_register(context, "WM_NAME", set_window_name, XCWM_EVENT_WINDOW_NAME);
_xcwm_atom_register(context, "_NET_WM_WINDOW_TYPE", setup_window_type, XCWM_EVENT_WINDOW_APPEARANCE);
_xcwm_atom_register(context, "WM_NORMAL_HINTS", set_window_size_hints, 0);
_xcwm_atom_register(context, "_NET_WM_WINDOW_OPACITY", set_window_opacity, XCWM_EVENT_WINDOW_APPEARANCE);
/* WM_DELETE_WINDOW atom */
context->atoms.wm_delete_window_atom = _xcwm_atom_get(context, "WM_DELETE_WINDOW");
if (!check_wm_cm_owner(context)) {
return XCB_WINDOW;
}
create_wm_cm_window(context);
/* WM_STATE atom */
context->atoms.wm_state_atom = _xcwm_atom_get(context, "WM_STATE");
return 0;
}
void setup(void)
{
ewmh_init();
screen = xcb_setup_roots_iterator(xcb_get_setup(dpy)).data;
if (!screen)
err("error: cannot aquire screen\n");
screen_width = screen->width_in_pixels;
screen_height = screen->height_in_pixels;
root_depth = screen->root_depth;
xcb_atom_t net_atoms[] = {ewmh->_NET_SUPPORTED,
ewmh->_NET_DESKTOP_NAMES,
ewmh->_NET_NUMBER_OF_DESKTOPS,
ewmh->_NET_CURRENT_DESKTOP,
ewmh->_NET_CLIENT_LIST,
ewmh->_NET_ACTIVE_WINDOW,
ewmh->_NET_WM_DESKTOP,
ewmh->_NET_WM_STATE,
ewmh->_NET_WM_STATE_FULLSCREEN,
ewmh->_NET_WM_WINDOW_TYPE,
ewmh->_NET_WM_WINDOW_TYPE_DOCK,
ewmh->_NET_WM_WINDOW_TYPE_NOTIFICATION,
ewmh->_NET_WM_WINDOW_TYPE_DIALOG,
ewmh->_NET_WM_WINDOW_TYPE_UTILITY,
ewmh->_NET_WM_WINDOW_TYPE_TOOLBAR};
xcb_ewmh_set_supported(ewmh, default_screen, LENGTH(net_atoms), net_atoms);
monitor_uid = desktop_uid = client_uid = 0;
mon = last_mon = mon_head = mon_tail = NULL;
bool xinerama_is_active = false;
if (xcb_get_extension_data(dpy, &xcb_xinerama_id)->present) {
xcb_xinerama_is_active_reply_t *xia = xcb_xinerama_is_active_reply(dpy, xcb_xinerama_is_active(dpy), NULL);
if (xia != NULL) {
xinerama_is_active = xia->state;
free(xia);
}
}
if (xinerama_is_active) {
xcb_xinerama_query_screens_reply_t *xsq = xcb_xinerama_query_screens_reply(dpy, xcb_xinerama_query_screens(dpy), NULL);
xcb_xinerama_screen_info_t *xsi = xcb_xinerama_query_screens_screen_info(xsq);
int n = xcb_xinerama_query_screens_screen_info_length(xsq);
PRINTF("number of monitors: %d\n", n);
for (int i = 0; i < n; i++) {
xcb_xinerama_screen_info_t info = xsi[i];
xcb_rectangle_t rect = (xcb_rectangle_t) {info.x_org, info.y_org, info.width, info.height};
add_monitor(&rect);
}
free(xsq);
} else {
warn("Xinerama is inactive");
xcb_rectangle_t rect = (xcb_rectangle_t) {0, 0, screen_width, screen_height};
add_monitor(&rect);
}
for (monitor_t *m = mon_head; m != NULL; m = m->next)
add_desktop(m, NULL);
ewmh_update_number_of_desktops();
ewmh_update_desktop_names();
rule_head = make_rule();
frozen_pointer = make_pointer_state();
get_pointer_position(&pointer_position);
split_mode = MODE_AUTOMATIC;
}
