# HG changeset patch
# User Michael Pavone <pavone@retrodev.com>
# Date 1488355204 28800
# Node ID ccf5c02610c665ccd78fc1cc7d6fa83f1e88a24d
# Parent  6370b80491c7d1ba8ee038b55f7b8730c48196e8
Only allow keyboard capture if the emulated system has a keyboard attached

diff -r 6370b80491c7 -r ccf5c02610c6 io.c
--- a/io.c	Tue Feb 28 23:52:16 2017 -0800
+++ b/io.c	Wed Mar 01 00:00:04 2017 -0800
@@ -392,6 +392,16 @@
 int num_speeds = 1;
 uint32_t * speeds = NULL;
 
+uint8_t is_keyboard(io_port *port)
+{
+	return port->device_type == IO_SATURN_KEYBOARD || port->device_type == IO_XBAND_KEYBOARD;
+}
+
+uint8_t keyboard_connected(sega_io *io)
+{
+	return is_keyboard(io->ports) || is_keyboard(io->ports+1) || is_keyboard(io->ports+2);
+}
+
 void handle_binding_up(keybinding * binding)
 {
 	switch(binding->bind_type)
@@ -471,7 +481,9 @@
 			}
 			break;
 		case UI_TOGGLE_KEYBOARD_CAPTURE:
-			current_io->keyboard_captured = !current_io->keyboard_captured;
+			if (keyboard_connected(current_io)) {
+				current_io->keyboard_captured = !current_io->keyboard_captured;
+			}
 			break;
 		case UI_TOGGLE_FULLSCREEN:
 			render_toggle_fullscreen();