(GET_WHEEL_DELTA_WPARAM): New macro.

af3a05ed · Jason Rumney · 2b5d4601 · af3a05ed
Commit af3a05ed authored May 27, 2003 by Jason Rumney
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src/w32term.c src/w32term.c +5 -0

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--- a/src/w32term.c
+++ b/src/w32term.c
@@ -73,6 +73,11 @@ Lisp_Object Vx_toolkit_scroll_bars;
 static int last_mousemove_x = 0;
 static int last_mousemove_y = 0;

+/* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't.  */
+#ifndef GET_WHEEL_DELTA_WPARAM
+#define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
+#endif
+
 /* Non-zero means that a HELP_EVENT has been generated since Emacs
   start.  */