http://ftp.ksu.edu.tw/FTP/FreeBSD/distfiles/xscreensaver-4.20.tar.gz

[xscreensaver] / hacks / glx / antinspect.c

diff --git a/hacks/glx/antinspect.c b/hacks/glx/antinspect.c
index 777ddbecfca55dfccfb14007e5f0e58aca22b568..3f3dc9ebcd5feff65b0f07b43d3a382c58e17593 100644 (file)
--- a/hacks/glx/antinspect.c
+++ b/hacks/glx/antinspect.c
@@ -555,7 +555,7 @@ void release_antinspect(ModeInfo * mi) {
 Bool antinspect_handle_event (ModeInfo *mi, XEvent *event) {
   antinspectstruct *mp = &antinspect[MI_SCREEN(mi)];
   
-  if(event->xany.type == ButtonPress && event->xbutton.button & Button1) {
+  if(event->xany.type == ButtonPress && event->xbutton.button == Button1) {
        mp->button_down_p = True;
        gltrackball_start(mp->trackball,
                                          event->xbutton.x, event->xbutton.y,
@@ -563,10 +563,18 @@ Bool antinspect_handle_event (ModeInfo *mi, XEvent *event) {
        return True;
   }
   else if(event->xany.type == ButtonRelease && 
-                 event->xbutton.button & Button1) {
+                 event->xbutton.button == Button1) {
        mp->button_down_p = False;
        return True;
   }
+  else if (event->xany.type == ButtonPress &&
+           (event->xbutton.button == Button4 ||
+            event->xbutton.button == Button5))
+    {
+      gltrackball_mousewheel (mp->trackball, event->xbutton.button, 5,
+                              !event->xbutton.state);
+      return True;
+    }
   else if(event->xany.type == MotionNotify && mp->button_down_p) {
        gltrackball_track (mp->trackball,
                                           event->xmotion.x, event->xmotion.y,