Generate TOUCH_END_EVENTs on NS when mwheel momentum is disabled

* src/nsterm.m ([EmacsView mouseDown:]): Generate
TOUCH_END_EVENTs on the first event whose momentum phase is not
NSEventPhaseNone.

1 files changed, 16 insertions, 0 deletions

diff --git a/src/nsterm.m b/src/nsterm.m
index 428d1a2fe22..a15dc47a226 100644
--- a/src/nsterm.m
+++ b/src/nsterm.m
@@ -6519,6 +6519,22 @@ not_in_argv (NSString *arg)
           int x = 0, y = 0;
           int scrollUp = NO;
 
+          static bool end_flag = false;
+
+          if (!ns_use_mwheel_momentum && !end_flag
+              && [theEvent momentumPhase] != NSEventPhaseNone)
+            {
+              emacs_event->kind = TOUCH_END_EVENT;
+              emacs_event->arg = Qnil;
+              end_flag = [theEvent momentumPhase] != NSEventPhaseNone;
+              XSETINT (emacs_event->x, lrint (p.x));
+              XSETINT (emacs_event->y, lrint (p.y));
+              EV_TRAILER (theEvent);
+              return;
+            }
+
+          end_flag = [theEvent momentumPhase] != NSEventPhaseNone;
+
           /* FIXME: At the top or bottom of the buffer we should
            * ignore momentum-phase events.  */
           if (! ns_use_mwheel_momentum