/** * The x server was changed */ static bool xshm_server_changed(obs_properties_t *props, obs_property_t *p, obs_data_t *settings) { UNUSED_PARAMETER(p); bool advanced = obs_data_get_bool(settings, "advanced"); int_fast32_t old_screen = obs_data_get_int(settings, "screen"); const char *server = obs_data_get_string(settings, "server"); obs_property_t *screens = obs_properties_get(props, "screen"); /* we want a real NULL here in case there is no string here */ server = (advanced && *server) ? server : NULL; obs_property_list_clear(screens); Display *dpy = XOpenDisplay(server); if (!dpy) { obs_property_set_enabled(screens, false); return true; } struct dstr screen_info; dstr_init(&screen_info); bool xinerama = xinerama_is_active(dpy); int_fast32_t count = (xinerama) ? xinerama_screen_count(dpy) : XScreenCount(dpy); for (int_fast32_t i = 0; i < count; ++i) { int_fast32_t x, y, w, h; x = y = w = h = 0; if (xinerama) xinerama_screen_geo(dpy, i, &x, &y, &w, &h); else x11_screen_geo(dpy, i, &w, &h); dstr_printf(&screen_info, "Screen %"PRIuFAST32" (%"PRIuFAST32 "x%"PRIuFAST32" @ %"PRIuFAST32 ",%"PRIuFAST32")", i, w, h, x, y); obs_property_list_add_int(screens, screen_info.array, i); } /* handle missing screen */ if (old_screen + 1 > count) { dstr_printf(&screen_info, "Screen %"PRIuFAST32" (not found)", old_screen); size_t index = obs_property_list_add_int(screens, screen_info.array, old_screen); obs_property_list_item_disable(screens, index, true); } dstr_free(&screen_info); XCloseDisplay(dpy); obs_property_set_enabled(screens, true); return true; }
/** * Enable/Disable all properties for the source. * * @note A property that should be ignored can be specified * * @param props the source properties * @param ignore ignore this property * @param enable enable/disable all properties */ static void v4l2_props_set_enabled(obs_properties_t *props, obs_property_t *ignore, bool enable) { if (!props) return; for (obs_property_t *prop = obs_properties_first(props); prop != NULL; obs_property_next(&prop)) { if (prop == ignore) continue; obs_property_set_enabled(prop, enable); } }