/** XRandR event handler for RRNotify subtype XRROutputChangeNotifyEvent
*/
static void
event_handle_randr_output_change_notify(xcb_randr_notify_event_t *ev)
{
if(ev->subCode == XCB_RANDR_NOTIFY_OUTPUT_CHANGE) {
xcb_randr_output_t output = ev->u.oc.output;
uint8_t connection = ev->u.oc.connection;
char *output_name = NULL;
const char *connection_str = NULL;
xcb_randr_get_output_info_reply_t *info = NULL;
lua_State *L = globalconf_get_lua_State();
info = xcb_randr_get_output_info_reply(globalconf.connection,
xcb_randr_get_output_info_unchecked(globalconf.connection,
output,
XCB_CURRENT_TIME),
NULL);
if(!info)
return;
output_name = p_dup((char *)xcb_randr_get_output_info_name(info),
xcb_randr_get_output_info_name_length(info));
switch(connection) {
case XCB_RANDR_CONNECTION_CONNECTED:
connection_str = "Connected";
break;
case XCB_RANDR_CONNECTION_DISCONNECTED:
connection_str = "Disconnected";
break;
default:
connection_str = "Unknown";
break;
}
lua_pushstring(L, output_name);
lua_pushstring(L, connection_str);
signal_object_emit(L, &global_signals, "screen::change", 2);
p_delete(&output_name);
p_delete(&info);
/* The docs for RRSetOutputPrimary say we get this signal */
screen_update_primary();
}
}
static void add_screen(xcb_randr_get_screen_info_reply_t *reply)
{
const gchar *title = "Display";
GtkWidget *item = gtk_menu_item_new_with_label(title);
GtkMenuShell *menu = GTK_MENU_SHELL(app_menu);
struct screen_info *info = g_malloc(sizeof *info);
xcb_randr_rotation_t rotation = normalize_rotation(reply->rotation);
xcb_randr_rotation_t rotations = reply->rotations;
info->label_menu_item = item;
info->rotation_menu_group = NULL;
info->rotation = rotation;
info->config_timestamp = reply->config_timestamp;
info->root = reply->root;
info->sizeID = reply->sizeID;
info->rate = reply->rate;
screens_info = g_slist_append(screens_info, info);
gtk_widget_set_sensitive(item, FALSE);
gtk_menu_shell_append(menu, item);
#define R(rot, title) \
if (rotations & XCB_RANDR_ROTATION_##rot) \
add_screen_rotation(info, XCB_RANDR_ROTATION_##rot, title, \
XCB_RANDR_ROTATION_##rot & rotation)
R(ROTATE_0, "Landscape");
R(ROTATE_90, "Portrait");
R(ROTATE_180, "Landscape Flipped");
R(ROTATE_270, "Portrait Flipped");
if (rotations & xcb_rotations_mask && rotations & xcb_reflections_mask)
gtk_menu_shell_append(menu, gtk_separator_menu_item_new());
R(REFLECT_X, "Reflected X");
R(REFLECT_Y, "Reflected Y");
#undef R
gtk_menu_shell_append(menu, gtk_separator_menu_item_new());
gtk_widget_show_all(app_menu);
/* Get screen resources */
xcb_randr_get_screen_resources_current_cookie_t resources_cookie;
xcb_randr_get_screen_resources_current_reply_t *resources_reply;
xcb_generic_error_t *err = NULL;
resources_cookie = xcb_randr_get_screen_resources_current(conn,
info->root);
resources_reply = xcb_randr_get_screen_resources_current_reply(conn,
resources_cookie, &err);
if (err) {
g_warning("Get Screen Resources returned error %u\n", err->error_code);
return;
}
/* Get screen outputs */
xcb_randr_output_t *outputs;
guint i;
gchar *output_name;
outputs = xcb_randr_get_screen_resources_current_outputs(resources_reply);
for (i = 0; i < resources_reply->num_outputs; i++) {
xcb_randr_get_output_info_reply_t *output_info_reply;
xcb_randr_get_output_info_cookie_t output_info_cookie =
xcb_randr_get_output_info_unchecked(conn, outputs[i],
resources_reply->config_timestamp);
output_info_reply =
xcb_randr_get_output_info_reply(conn, output_info_cookie, NULL);
/* Show only if connected */
switch (output_info_reply->connection) {
case XCB_RANDR_CONNECTION_DISCONNECTED:
case XCB_RANDR_CONNECTION_UNKNOWN:
continue;
case XCB_RANDR_CONNECTION_CONNECTED:
break;
}
output_name = get_output_name(output_info_reply);
/* Put output names on the menu */
gtk_menu_item_set_label(GTK_MENU_ITEM(item), output_name);
g_free(output_name);
/* TODO: concatenate multiple names or pick them intelligently */
}
}
