* nsfns.m (x_icon): icon_top/left is int.

* nsterm.h (EmacsScroller): Replace Lisp_Object win with
struct window*.
Remove getMouseMotionPart.
(ns_output): Make icon_top/left int.

* nsterm.m (ns_mouse_position): Remove unused code.
(initFrame:window:, dealloc): Use window instead of win.
(getMouseMotionPart:window:x:y:): Remove, unused.
(sendScrollEventAtLoc:fromEvent:): Make Lisp_Object win from window.

Fixes: debbugs:18889

4 files changed, 53 insertions, 67 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 1fb2c7b00a1..a66026fa091 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,17 @@
+2014-10-30  Jan Djärv  <jan.h.d@swipnet.se>
+
+	* nsterm.h (EmacsScroller): Replace Lisp_Object win with
+	struct window* (Bug#18889).
+	Remove getMouseMotionPart.
+	(ns_output): Make icon_top/left int.
+
+	* nsfns.m (x_icon): icon_top/left is int.
+
+	* nsterm.m (ns_mouse_position): Remove unused code.
+	(initFrame:window:, dealloc): Use window instead of win.
+	(getMouseMotionPart:window:x:y:): Remove, unused.
+	(sendScrollEventAtLoc:fromEvent:): Make Lisp_Object win from window.
+
 2014-10-30  Samuel Bronson  <naesten@gmail.com>
 
 	* unexmacosx.c (copy_data_segment): Port to GCC 4.6+ (Bug#9927).
diff --git a/src/nsfns.m b/src/nsfns.m
index 58746aed9fa..9d9f5416c86 100644
--- a/src/nsfns.m
+++ b/src/nsfns.m
@@ -913,8 +913,8 @@ x_icon (struct frame *f, Lisp_Object parms)
   Lisp_Object icon_x, icon_y;
   struct ns_display_info *dpyinfo = check_ns_display_info (Qnil);
 
-  f->output_data.ns->icon_top = Qnil;
-  f->output_data.ns->icon_left = Qnil;
+  f->output_data.ns->icon_top = -1;
+  f->output_data.ns->icon_left = -1;
 
   /* Set the position of the icon.  */
   icon_x = x_get_arg (dpyinfo, parms, Qicon_left, 0, 0, RES_TYPE_NUMBER);
@@ -923,8 +923,8 @@ x_icon (struct frame *f, Lisp_Object parms)
     {
       CHECK_NUMBER (icon_x);
       CHECK_NUMBER (icon_y);
-      f->output_data.ns->icon_top = icon_y;
-      f->output_data.ns->icon_left = icon_x;
+      f->output_data.ns->icon_top = XINT (icon_y);
+      f->output_data.ns->icon_left = XINT (icon_x);
     }
   else if (!EQ (icon_x, Qunbound) || !EQ (icon_y, Qunbound))
     error ("Both left and top icon corners of icon must be specified");
diff --git a/src/nsterm.h b/src/nsterm.h
index 8c3e4e5c314..a6081e8da57 100644
--- a/src/nsterm.h
+++ b/src/nsterm.h
@@ -393,7 +393,7 @@ typedef float EmacsCGFloat;
 
 @interface EmacsScroller : NSScroller
   {
-   Lisp_Object win;
+   struct window *window;
    struct frame *frame;
    NSResponder *prevResponder;
 
@@ -418,8 +418,6 @@ typedef float EmacsCGFloat;
 - setPosition: (int) position portion: (int) portion whole: (int) whole;
 - (int) checkSamePosition: (int)position portion: (int)portion
                     whole: (int)whole;
-- (void) getMouseMotionPart: (int *)part window: (Lisp_Object *)window
-                          x: (Lisp_Object *)x y: ( Lisp_Object *)y;
 - (void) sendScrollEventAtLoc: (float)loc fromEvent: (NSEvent *)e;
 - repeatScroll: (NSTimer *)sender;
 - condemn;
@@ -685,8 +683,8 @@ struct ns_output
      value contains an ID of the fontset, else -1.  */
   int fontset; /* only used with font_backend */
 
-  Lisp_Object icon_top;
-  Lisp_Object icon_left;
+  int icon_top;
+  int icon_left;
 
   /* The size of the extra width currently allotted for vertical
      scroll bars, in pixels.  */
diff --git a/src/nsterm.m b/src/nsterm.m
index 833b8e389a9..45c6214f0d0 100644
--- a/src/nsterm.m
+++ b/src/nsterm.m
@@ -1902,51 +1902,37 @@ ns_mouse_position (struct frame **fp, int insist, Lisp_Object *bar_window,
 
   block_input ();
 
-  if (dpyinfo->last_mouse_scroll_bar != nil && insist == 0)
-    {
-      /* TODO: we do not use this path at the moment because drag events will
-           go directly to the EmacsScroller.  Leaving code in for now. */
-      [dpyinfo->last_mouse_scroll_bar
-	  getMouseMotionPart: (int *)part window: bar_window x: x y: y];
-      if (time)
-	*time = dpyinfo->last_mouse_movement_time;
-      dpyinfo->last_mouse_scroll_bar = nil;
-    }
+  /* Clear the mouse-moved flag for every frame on this display.  */
+  FOR_EACH_FRAME (tail, frame)
+    if (FRAME_NS_P (XFRAME (frame))
+        && FRAME_NS_DISPLAY (XFRAME (frame)) == FRAME_NS_DISPLAY (*fp))
+      XFRAME (frame)->mouse_moved = 0;
+
+  dpyinfo->last_mouse_scroll_bar = nil;
+  if (dpyinfo->last_mouse_frame
+      && FRAME_LIVE_P (dpyinfo->last_mouse_frame))
+    f = dpyinfo->last_mouse_frame;
   else
-    {
-      /* Clear the mouse-moved flag for every frame on this display.  */
-      FOR_EACH_FRAME (tail, frame)
-        if (FRAME_NS_P (XFRAME (frame))
-            && FRAME_NS_DISPLAY (XFRAME (frame)) == FRAME_NS_DISPLAY (*fp))
-          XFRAME (frame)->mouse_moved = 0;
+    f = dpyinfo->x_focus_frame ? dpyinfo->x_focus_frame : SELECTED_FRAME ();
 
-      dpyinfo->last_mouse_scroll_bar = nil;
-      if (dpyinfo->last_mouse_frame
-	  && FRAME_LIVE_P (dpyinfo->last_mouse_frame))
-        f = dpyinfo->last_mouse_frame;
-      else
-        f = dpyinfo->x_focus_frame ? dpyinfo->x_focus_frame
-                                    : SELECTED_FRAME ();
-
-      if (f && FRAME_NS_P (f))
-        {
-          view = FRAME_NS_VIEW (*fp);
+  if (f && FRAME_NS_P (f))
+    {
+      view = FRAME_NS_VIEW (*fp);
 
-          position = [[view window] mouseLocationOutsideOfEventStream];
-          position = [view convertPoint: position fromView: nil];
-          remember_mouse_glyph (f, position.x, position.y,
-				&dpyinfo->last_mouse_glyph);
+      position = [[view window] mouseLocationOutsideOfEventStream];
+      position = [view convertPoint: position fromView: nil];
+      remember_mouse_glyph (f, position.x, position.y,
+                            &dpyinfo->last_mouse_glyph);
 /*fprintf (stderr, "ns_mouse_position: %.0f, %.0f\n", position.x, position.y); */
 
-          if (bar_window) *bar_window = Qnil;
-          if (part) *part = 0; /*scroll_bar_handle; */
+      if (bar_window) *bar_window = Qnil;
+      if (part) *part = 0; /*scroll_bar_handle; */
 
-          if (x) XSETINT (*x, lrint (position.x));
-          if (y) XSETINT (*y, lrint (position.y));
-          if (time)
-	    *time = dpyinfo->last_mouse_movement_time;
-          *fp = f;
-        }
+      if (x) XSETINT (*x, lrint (position.x));
+      if (y) XSETINT (*y, lrint (position.y));
+      if (time)
+        *time = dpyinfo->last_mouse_movement_time;
+      *fp = f;
     }
 
   unblock_input ();
@@ -7121,13 +7107,13 @@ if (cols > 0 && rows > 0)
   [self setAutoresizingMask: NSViewMinXMargin | NSViewHeightSizable];
 #endif
 
-  win = nwin;
+  window = XWINDOW (nwin);
   condemned = NO;
   pixel_height = NSHeight (r);
   if (pixel_height == 0) pixel_height = 1;
   min_portion = 20 / pixel_height;
 
-  frame = XFRAME (XWINDOW (win)->frame);
+  frame = XFRAME (window->frame);
   if (FRAME_LIVE_P (frame))
     {
       int i;
@@ -7165,8 +7151,9 @@ if (cols > 0 && rows > 0)
 - (void)dealloc
 {
   NSTRACE (EmacsScroller_dealloc);
-  if (!NILP (win))
-    wset_vertical_scroll_bar (XWINDOW (win), Qnil);
+  if (window)
+    wset_vertical_scroll_bar (window, Qnil);
+  window = 0;
   [super dealloc];
 }
 
@@ -7265,30 +7252,17 @@ if (cols > 0 && rows > 0)
   return self;
 }
 
-/* FIXME: unused at moment (see ns_mouse_position) at the moment because
-     drag events will go directly to the EmacsScroller.  Leaving in for now. */
--(void)getMouseMotionPart: (int *)part window: (Lisp_Object *)window
-                        x: (Lisp_Object *)x y: ( Lisp_Object *)y
-{
-  *part = last_hit_part;
-  *window = win;
-  XSETINT (*y, pixel_height);
-  if ([self floatValue] > 0.999F)
-    XSETINT (*x, pixel_height);
-  else
-    XSETINT (*x, pixel_height * [self floatValue]);
-}
-
-
 /* set up emacs_event */
 - (void) sendScrollEventAtLoc: (float)loc fromEvent: (NSEvent *)e
 {
+  Lisp_Object win;
   if (!emacs_event)
     return;
 
   emacs_event->part = last_hit_part;
   emacs_event->code = 0;
   emacs_event->modifiers = EV_MODIFIERS (e) | down_modifier;
+  XSETWINDOW (win, window);
   emacs_event->frame_or_window = win;
   emacs_event->timestamp = EV_TIMESTAMP (e);
   emacs_event->kind = SCROLL_BAR_CLICK_EVENT;