sokol: fixes

vlib/sokol/sapp/enums.v

@@ -33,6 +33,13 @@ pub enum MouseButton {
     middle = 2
 }
 
+pub enum Modifier {
+    shift = 1   //(1<<0)
+    ctrl = 2    //(1<<1)
+    alt =  4    //(1<<2)
+    super = 8   //(1<<3)
+}
+
 pub enum KeyCode {
     invalid          = 0
     space            = 32

vlib/sokol/sapp/sapp.v

@@ -186,3 +186,8 @@ pub fn win32_get_hwnd() voidptr {
 	return C.sapp_win32_get_hwnd()
 }
 
+/* Android: get native activity handle */
+[inline]
+pub fn android_get_native_activity() voidptr {
+	return C.sapp_android_get_native_activity()
+}

vlib/sokol/sapp/sapp_funcs.v

@@ -67,3 +67,5 @@ fn C.sapp_d3d11_get_render_target_view() voidptr
 fn C.sapp_d3d11_get_depth_stencil_view() voidptr
 /* Win32: get the HWND window handle */
 fn C.sapp_win32_get_hwnd() voidptr
+/* Android: get native activity handle */
+fn C.sapp_android_get_native_activity() voidptr

vlib/sokol/sapp/sapp_structs.v

@@ -5,7 +5,7 @@ pub:
 	init_cb fn()					/* these are the user-provided callbacks without user data */
 	frame_cb fn()
 	cleanup_cb fn()
-	event_cb fn( voidptr) //&sapp_event)
+	event_cb fn(&C.sapp_event) //&sapp_event)
 	fail_cb fn(byteptr)
 
     user_data voidptr                /* these are the user-provided callbacks with user data */
@@ -13,7 +13,7 @@ pub:
 	frame_userdata_cb fn(voidptr)
 	cleanup_userdata_cb fn(voidptr)
 	event_userdata_cb fn(&C.sapp_event, voidptr)
-	fail_userdata_cb fn(voidptr)
+	fail_userdata_cb fn(byteptr,voidptr)
 
     width int                          /* the preferred width of the window / canvas */
     height int                         /* the preferred height of the window / canvas */