/* function prototypes */
void buttonpress(xcb_button_press_event_t *);
+void check_conn(void);
void clientmessage(xcb_client_message_event_t *);
int conf_load(char *, int);
void configurenotify(xcb_configure_notify_event_t *);
const xcb_setup_t *r;
xcb_screen_iterator_t iter;
- r = xcb_get_setup(conn);
+ if ((r = xcb_get_setup(conn)) == NULL) {
+ DNPRINTF(SWM_D_MISC, "get_screen: xcb_get_setup\n");
+ check_conn();
+ }
+
iter = xcb_setup_roots_iterator(r);
for (; iter.rem; --screen, xcb_screen_next(&iter))
if (screen == 0)
xcb_create_pixmap(conn, screen->root_depth, r->bar->buffer, r->bar->id,
WIDTH(r->bar), HEIGHT(r->bar));
- xcb_randr_select_input(conn, r->bar->id,
- XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
+ if (xrandr_support)
+ xcb_randr_select_input(conn, r->bar->id,
+ XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE);
if (bar_enabled)
map_window_raised(r->bar->id);
xcb_flush(conn);
}
+#ifdef XCB_CONN_ERROR
+void
+check_conn(void)
+{
+ int err = xcb_connection_has_error(conn);
+ char *s;
+
+ switch (err) {
+ case XCB_CONN_ERROR:
+ s = "Socket error, pipe error or other stream error.";
+ break;
+ case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
+ s = "Extension not supported.";
+ break;
+ case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
+ s = "Insufficient memory.";
+ break;
+ case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
+ s = "Request length was exceeded.";
+ break;
+ case XCB_CONN_CLOSED_PARSE_ERR:
+ s = "Error parsing display string.";
+ break;
+ default:
+ s = "Unknown error.";
+ }
+
+ if (err)
+ errx(err, "X CONNECTION ERROR: %s", s);
+}
+#else
+void
+check_conn(void)
+{
+ if (conn->has_error)
+ errx(1, "X CONNECTION ERROR");
+}
+#endif
+
int
enable_wm(void)
{
/* initial Xrandr setup */
xrandr_support = 0;
- c = xcb_randr_query_version(conn, 1, 1);
- r = xcb_randr_query_version_reply(conn, c, NULL);
- if (r) {
- if (r->major_version >= 1) {
- qep = xcb_get_extension_data(conn, &xcb_randr_id);
- if (qep) {
+ qep = xcb_get_extension_data(conn, &xcb_randr_id);
+ if (qep->present) {
+ c = xcb_randr_query_version(conn, 1, 1);
+ r = xcb_randr_query_version_reply(conn, c, NULL);
+ if (r) {
+ if (r->major_version >= 1) {
xrandr_support = 1;
xrandr_eventbase = qep->first_event;
}
+ free(r);
}
- free(r);
}
cursor_font = xcb_generate_id(conn);