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

[xscreensaver] / hacks / glx / jigglypuff.c

diff --git a/hacks/glx/jigglypuff.c b/hacks/glx/jigglypuff.c
index f2e5710c4ca6c805da1c4d3480dd584ee3ec2107..d95fea3f9b25ec5dac837e576a55190c71817278 100644 (file)
--- a/hacks/glx/jigglypuff.c
+++ b/hacks/glx/jigglypuff.c
@@ -931,17 +931,25 @@ Bool jigglypuff_handle_event(ModeInfo *mi, XEvent *event)
     jigglystruct *js = &jss[MI_SCREEN(mi)];
     
     if(event->xany.type == ButtonPress &&
-       event->xbutton.button & Button1) {
+       event->xbutton.button == Button1) {
        js->button_down = 1;
        gltrackball_start(js->trackball, event->xbutton.x, event->xbutton.y,
                          MI_WIDTH(mi), MI_HEIGHT(mi));
        return True;
     }
     else if(event->xany.type == ButtonRelease &&
-           event->xbutton.button & Button1) {
+           event->xbutton.button == Button1) {
        js->button_down = 0;
        return True;
     }
+  else if (event->xany.type == ButtonPress &&
+           (event->xbutton.button == Button4 ||
+            event->xbutton.button == Button5))
+    {
+      gltrackball_mousewheel (js->trackball, event->xbutton.button, 10,
+                              !!event->xbutton.state);
+      return True;
+    }
     else if(event->xany.type == MotionNotify && js->button_down) {
        gltrackball_track(js->trackball, event->xmotion.x, event->xmotion.y,
                          MI_WIDTH(mi), MI_HEIGHT(mi));