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xwm: refactor xwm init

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This commit is contained in:
Tony Crisci 2017-10-24 08:49:10 -04:00
parent 1b7918f50e
commit 0f7f6b1373
1 changed files with 66 additions and 70 deletions
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136
xwayland/xwm.c
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@ -638,70 +638,6 @@ static void create_surface_handler(struct wl_listener *listener, void *data) {
}
}
static void xcb_get_resources(struct wlr_xwm *xwm) {
size_t i;
xcb_intern_atom_cookie_t cookies[ATOM_LAST];
for (i = 0; i < ATOM_LAST; i++) {
cookies[i] = xcb_intern_atom(xwm->xcb_conn, 0, strlen(atom_map[i]), atom_map[i]);
}
for (i = 0; i < ATOM_LAST; i++) {
xcb_intern_atom_reply_t *reply;
xcb_generic_error_t *error;
reply = xcb_intern_atom_reply(xwm->xcb_conn, cookies[i], &error);
if (reply && !error) {
xwm->atoms[i] = reply->atom;
}
if (reply) {
free(reply);
}
if (error) {
wlr_log(L_ERROR, "could not resolve atom %s, x11 error code %d",
atom_map[i], error->error_code);
free(error);
return;
}
}
}
static void xcb_init_wm(struct wlr_xwm *xwm) {
xcb_screen_iterator_t screen_iterator =
xcb_setup_roots_iterator(xcb_get_setup(xwm->xcb_conn));
xwm->screen = screen_iterator.data;
xwm->window = xcb_generate_id(xwm->xcb_conn);
uint32_t values[] = {
XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY |
XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
XCB_EVENT_MASK_PROPERTY_CHANGE,
/* xwm->cursor, */
};
XCB_CALL(xwm, xcb_change_window_attributes_checked(xwm->xcb_conn,
xwm->screen->root, XCB_CW_EVENT_MASK /* | XCB_CW_CURSOR */, values));
XCB_CALL(xwm, xcb_composite_redirect_subwindows_checked(xwm->xcb_conn,
xwm->screen->root, XCB_COMPOSITE_REDIRECT_MANUAL));
XCB_CALL(xwm, xcb_create_window_checked(xwm->xcb_conn, XCB_COPY_FROM_PARENT,
xwm->window, xwm->screen->root, 0, 0, 1, 1, 0,
XCB_WINDOW_CLASS_INPUT_OUTPUT, xwm->screen->root_visual,
XCB_CW_EVENT_MASK, (uint32_t[]){XCB_EVENT_MASK_PROPERTY_CHANGE}));
xcb_atom_t supported[] = {
xwm->atoms[NET_WM_STATE],
};
XCB_CALL(xwm, xcb_change_property_checked(xwm->xcb_conn,
XCB_PROP_MODE_REPLACE, xwm->screen->root, xwm->atoms[NET_SUPPORTED],
XCB_ATOM_ATOM, 32, sizeof(supported)/sizeof(*supported), supported));
XCB_CALL(xwm, xcb_set_selection_owner_checked(xwm->xcb_conn, xwm->window,
xwm->atoms[WM_S0], XCB_CURRENT_TIME));
XCB_CALL(xwm, xcb_set_selection_owner_checked(xwm->xcb_conn, xwm->window,
xwm->atoms[NET_WM_S0], XCB_CURRENT_TIME));
xcb_flush(xwm->xcb_conn);
}
void wlr_xwayland_surface_activate(struct wlr_xwayland *wlr_xwayland,
struct wlr_xwayland_surface *surface) {
struct wlr_xwm *xwm = wlr_xwayland->xwm;
@ -797,6 +733,35 @@ void xwm_destroy(struct wlr_xwm *xwm) {
free(xwm);
}
static void xwm_get_resources(struct wlr_xwm *xwm) {
size_t i;
xcb_intern_atom_cookie_t cookies[ATOM_LAST];
for (i = 0; i < ATOM_LAST; i++) {
cookies[i] = xcb_intern_atom(xwm->xcb_conn, 0, strlen(atom_map[i]), atom_map[i]);
}
for (i = 0; i < ATOM_LAST; i++) {
xcb_intern_atom_reply_t *reply;
xcb_generic_error_t *error;
reply = xcb_intern_atom_reply(xwm->xcb_conn, cookies[i], &error);
if (reply && !error) {
xwm->atoms[i] = reply->atom;
}
if (reply) {
free(reply);
}
if (error) {
wlr_log(L_ERROR, "could not resolve atom %s, x11 error code %d",
atom_map[i], error->error_code);
free(error);
return;
}
}
}
struct wlr_xwm *xwm_create(struct wlr_xwayland *wlr_xwayland) {
struct wlr_xwm *xwm = calloc(1, sizeof(struct wlr_xwm));
if (xwm == NULL) {
@ -820,13 +785,44 @@ struct wlr_xwm *xwm_create(struct wlr_xwayland *wlr_xwayland) {
wlr_xwayland->wl_display);
xwm->event_source = wl_event_loop_add_fd(event_loop, wlr_xwayland->wm_fd[0],
WL_EVENT_READABLE, x11_event_handler, xwm);
// probably not needed
// wl_event_source_check(xwm->event_source);
wl_event_source_check(xwm->event_source);
// TODO more xcb init
// xcb_prefetch_extension_data(xwm->xcb_conn, &xcb_composite_id);
xcb_get_resources(xwm);
xcb_init_wm(xwm);
xwm_get_resources(xwm);
xcb_screen_iterator_t screen_iterator =
xcb_setup_roots_iterator(xcb_get_setup(xwm->xcb_conn));
xwm->screen = screen_iterator.data;
xwm->window = xcb_generate_id(xwm->xcb_conn);
uint32_t values[] = {
XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY |
XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
XCB_EVENT_MASK_PROPERTY_CHANGE,
/* xwm->cursor, */
};
XCB_CALL(xwm, xcb_change_window_attributes_checked(xwm->xcb_conn,
xwm->screen->root, XCB_CW_EVENT_MASK /* | XCB_CW_CURSOR */, values));
XCB_CALL(xwm, xcb_composite_redirect_subwindows_checked(xwm->xcb_conn,
xwm->screen->root, XCB_COMPOSITE_REDIRECT_MANUAL));
XCB_CALL(xwm, xcb_create_window_checked(xwm->xcb_conn, XCB_COPY_FROM_PARENT,
xwm->window, xwm->screen->root, 0, 0, 1, 1, 0,
XCB_WINDOW_CLASS_INPUT_OUTPUT, xwm->screen->root_visual,
XCB_CW_EVENT_MASK, (uint32_t[]){XCB_EVENT_MASK_PROPERTY_CHANGE}));
xcb_atom_t supported[] = {
xwm->atoms[NET_WM_STATE],
};
XCB_CALL(xwm, xcb_change_property_checked(xwm->xcb_conn,
XCB_PROP_MODE_REPLACE, xwm->screen->root, xwm->atoms[NET_SUPPORTED],
XCB_ATOM_ATOM, 32, sizeof(supported)/sizeof(*supported), supported));
XCB_CALL(xwm, xcb_set_selection_owner_checked(xwm->xcb_conn, xwm->window,
xwm->atoms[WM_S0], XCB_CURRENT_TIME));
XCB_CALL(xwm, xcb_set_selection_owner_checked(xwm->xcb_conn, xwm->window,
xwm->atoms[NET_WM_S0], XCB_CURRENT_TIME));
xcb_flush(xwm->xcb_conn);
xwm->surface_create_listener.notify = create_surface_handler;
wl_signal_add(&wlr_xwayland->compositor->events.create_surface,