Revert "#733 partial: Adds rotation gesture event on MacOS"

This reverts commit 3049e6394a3376f7fff1c8cde19fd7bb1a9252ec
as agreed upon in GitHub Issue #733.

1 files changed, 5 insertions, 16 deletions

diff --git a/test/keyboard.cxx b/test/keyboard.cxx
index dd6feeb0f..46ba6142f 100644
--- a/test/keyboard.cxx
+++ b/test/keyboard.cxx
@@ -43,22 +43,11 @@ int handle(int e) {
   return (e == FL_SHORTCUT); // eat all keystrokes
 }
 
-int MyWindow::handle(int event) {
-  static int r = 0;
-  switch (event) {
-    case FL_MOUSEWHEEL: {
-      int x = (int)(w_scroll->xvalue() - Fl::event_dx());
-      int y = (int)(w_scroll->yvalue() - Fl::event_dy());
-      w_scroll->value( (double)(x&31), (double)(y&31) );
-      return 1; }
-    case FL_ZOOM_GESTURE: {
-      int z = (int)(w_zoom->yvalue() + Fl::event_dy());
-      w_zoom->value( (double)(z&255), (double)(z&255) );
-      return 1; }
-    case FL_ROTATE_GESTURE: {
-      r = r - (Fl::event_dy()/100.0);
-      w_rotate->value( (double)(r&1023) );
-      return 1; }
+int MyWindow::handle(int msg) {
+  if (msg==FL_MOUSEWHEEL) {
+    roller_x->value( roller_x->value() + Fl::e_dx * roller_x->step() );
+    roller_y->value( roller_y->value() + Fl::e_dy * roller_y->step() );
+    return 1;
   }
   return 0;
 }