1 files changed, 13 insertions, 11 deletions

diff --git a/src/macterm.c b/src/macterm.c
index 1a281d808a0..9351fd5e36f 100644
--- a/src/macterm.c
+++ b/src/macterm.c
@@ -1210,7 +1210,7 @@ x_flush (f)
       FOR_EACH_FRAME (rest, frame)
         x_flush (XFRAME (frame));
     }
-  else if (FRAME_X_P (f))
+  else if (FRAME_MAC_P (f))
     XFlush (FRAME_MAC_DISPLAY (f));
   UNBLOCK_INPUT;
 #endif /* TARGET_API_MAC_CARBON */
@@ -1410,7 +1410,7 @@ static void
 XTframe_up_to_date (f)
      struct frame *f;
 {
-  if (FRAME_X_P (f))
+  if (FRAME_MAC_P (f))
     {
       struct mac_display_info *dpyinfo = FRAME_MAC_DISPLAY_INFO (f);
 
@@ -7033,8 +7033,8 @@ static int
 mac_get_emulated_btn ( UInt32 modifiers )
 {
   int result = 0;
-  if (Vmac_emulate_three_button_mouse != Qnil) {
-    int cmdIs3 = (Vmac_emulate_three_button_mouse != Qreverse);
+  if (!NILP (Vmac_emulate_three_button_mouse)) {
+    int cmdIs3 = !EQ (Vmac_emulate_three_button_mouse, Qreverse);
     if (modifiers & controlKey)
       result = cmdIs3 ? 2 : 1;
     else if (modifiers & optionKey)
@@ -7052,7 +7052,7 @@ mac_event_to_emacs_modifiers (EventRef eventRef)
   UInt32 mods = 0;
   GetEventParameter (eventRef, kEventParamKeyModifiers, typeUInt32, NULL,
                     sizeof (UInt32), NULL, &mods);
-  if (Vmac_emulate_three_button_mouse != Qnil &&
+  if (!NILP (Vmac_emulate_three_button_mouse) &&
       GetEventClass(eventRef) == kEventClassMouse)
     {
       mods &= ~(optionKey & cmdKey);
@@ -7071,7 +7071,7 @@ mac_get_mouse_btn (EventRef ref)
   switch (result)
     {
     case kEventMouseButtonPrimary:
-      if (Vmac_emulate_three_button_mouse == Qnil)
+      if (NILP (Vmac_emulate_three_button_mouse))
         return 0;
       else {
         UInt32 mods = 0;
@@ -8227,7 +8227,7 @@ XTread_socket (int sd, int expected, struct input_event *hold_quit)
               inev.timestamp = er.when * (1000 / 60);
                 /* ticks to milliseconds */
 
-              XSETINT (inev.x, tracked_scroll_bar->left + 2);
+              XSETINT (inev.x, XFASTINT (tracked_scroll_bar->left) + 2);
               XSETINT (inev.y, mouse_loc.v - 24);
               tracked_scroll_bar->dragging = Qnil;
               mouse_tracking_in_progress = mouse_tracking_none;
@@ -8312,6 +8312,8 @@ XTread_socket (int sd, int expected, struct input_event *hold_quit)
                   else
                     {
                       Lisp_Object window;
+                      int x = mouse_loc.h;
+                      int y = mouse_loc.v;
 
                       XSETFRAME (inev.frame_or_window, mwp->mFP);
                       if (er.what == mouseDown)
@@ -8319,14 +8321,14 @@ XTread_socket (int sd, int expected, struct input_event *hold_quit)
                           = mouse_tracking_mouse_movement;
                       else
                         mouse_tracking_in_progress = mouse_tracking_none;
-                      window = window_from_coordinates (mwp->mFP, inev.x, inev.y, 0, 0, 0, 1);
+                      window = window_from_coordinates (mwp->mFP, x, y, 0, 0, 0, 1);
 
                       if (EQ (window, mwp->mFP->tool_bar_window))
                         {
                           if (er.what == mouseDown)
-                            handle_tool_bar_click (mwp->mFP, inev.x, inev.y, 1, 0);
+                            handle_tool_bar_click (mwp->mFP, x, y, 1, 0);
                           else
-                            handle_tool_bar_click (mwp->mFP, inev.x, inev.y, 0,
+                            handle_tool_bar_click (mwp->mFP, x, y, 0,
 #if USE_CARBON_EVENTS
                                                    mac_event_to_emacs_modifiers (eventRef)
 #else
@@ -9024,7 +9026,7 @@ mac_check_for_quit_char ()
       EVENT_INIT (e);
       e.kind = ASCII_KEYSTROKE_EVENT;
       e.code = quit_char;
-      e.arg = NULL;
+      e.arg = Qnil;
       e.modifiers = NULL;
       e.timestamp = EventTimeToTicks (GetEventTime (event)) * (1000/60);
       XSETFRAME (e.frame_or_window, mwp->mFP);