master 90caddc986 1/2: Clean up some xwidgets code

[Po Lu]

branch: master
commit 90caddc98605e6dbf46be721f4a9ac8a72e8d7ac
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    Clean up some xwidgets code
    
    * src/xterm.c (handle_one_xevent): [HAVE_XWIDGETS]: Fix coding
    style and remove extra ifdefs.  Also avoid redundant frame
    lookups in some cases.
---
 src/xterm.c | 74 +++++++++++++++++++++++++++++++++++--------------------------
 1 file changed, 43 insertions(+), 31 deletions(-)

diff --git a/src/xterm.c b/src/xterm.c
index c8ac30c72c..f2d6be5d46 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -18962,11 +18962,12 @@ handle_one_xevent (struct x_display_info *dpyinfo,
       goto OTHER;
 
     case Expose:
-      f = x_window_to_frame (dpyinfo, event->xexpose.window);
+
 #ifdef HAVE_XWIDGETS
       {
-       struct xwidget_view *xv =
-         xwidget_view_from_window (event->xexpose.window);
+       struct xwidget_view *xv;
+
+       xv = xwidget_view_from_window (event->xexpose.window);
 
        if (xv)
          {
@@ -18975,6 +18976,8 @@ handle_one_xevent (struct x_display_info *dpyinfo,
          }
       }
 #endif
+
+      f = x_window_to_frame (dpyinfo, event->xexpose.window);
       if (f)
         {
           if (!FRAME_VISIBLE_P (f))
@@ -19778,28 +19781,16 @@ handle_one_xevent (struct x_display_info *dpyinfo,
 
     case EnterNotify:
       x_display_set_last_user_time (dpyinfo, event->xcrossing.time,
-                                   event->xcrossing.send_event, false);
-
-#ifdef HAVE_XINPUT2
-      /* For whatever reason, the X server continues to deliver
-        EnterNotify and LeaveNotify events despite us selecting for
-        related XI_Enter and XI_Leave events.  It's not just our
-        problem, since windows created by "xinput test-xi2" suffer
-        from the same defect.  Simply ignore all such events while
-        the input extension is enabled.  (bug#57468) */
-
-      if (dpyinfo->supports_xi2)
-       goto OTHER;
-#endif
-
-      if (x_top_window_to_frame (dpyinfo, event->xcrossing.window))
-       x_detect_focus_change (dpyinfo, any, event, &inev.ie);
+                                   event->xcrossing.send_event,
+                                   false);
 
 #ifdef HAVE_XWIDGETS
       {
-       struct xwidget_view *xvw = xwidget_view_from_window 
(event->xcrossing.window);
+       struct xwidget_view *xvw;
        Mouse_HLInfo *hlinfo;
 
+       xvw = xwidget_view_from_window (event->xcrossing.window);
+
        if (xvw)
          {
            xwidget_motion_or_crossing (xvw, event);
@@ -19813,14 +19804,28 @@ handle_one_xevent (struct x_display_info *dpyinfo,
              }
 
            if (any_help_event_p)
-             {
-               do_help = -1;
-             }
+             do_help = -1;
+
            goto OTHER;
          }
       }
 #endif
 
+#ifdef HAVE_XINPUT2
+      /* For whatever reason, the X server continues to deliver
+        EnterNotify and LeaveNotify events despite us selecting for
+        related XI_Enter and XI_Leave events.  It's not just our
+        problem, since windows created by "xinput test-xi2" suffer
+        from the same defect.  Simply ignore all such events while
+        the input extension is enabled.  (bug#57468) */
+
+      if (dpyinfo->supports_xi2)
+       goto OTHER;
+#endif
+
+      if (x_top_window_to_frame (dpyinfo, event->xcrossing.window))
+       x_detect_focus_change (dpyinfo, any, event, &inev.ie);
+
       f = any;
 
       if (f && event->xcrossing.window == FRAME_X_WINDOW (f))
@@ -19931,7 +19936,9 @@ handle_one_xevent (struct x_display_info *dpyinfo,
 
 #ifdef HAVE_XWIDGETS
       {
-       struct xwidget_view *xvw = xwidget_view_from_window 
(event->xcrossing.window);
+       struct xwidget_view *xvw;
+
+       xvw = xwidget_view_from_window (event->xcrossing.window);
 
        if (xvw)
          {
@@ -20291,7 +20298,9 @@ handle_one_xevent (struct x_display_info *dpyinfo,
           f = 0;
 #endif
 #ifdef HAVE_XWIDGETS
-       struct xwidget_view *xvw = xwidget_view_from_window 
(event->xmotion.window);
+       struct xwidget_view *xvw;
+
+       xvw = xwidget_view_from_window (event->xmotion.window);
 
        if (xvw)
          xwidget_motion_or_crossing (xvw, event);
@@ -20742,7 +20751,9 @@ handle_one_xevent (struct x_display_info *dpyinfo,
                                        event->xbutton.send_event, true);
 
 #ifdef HAVE_XWIDGETS
-       struct xwidget_view *xvw = xwidget_view_from_window 
(event->xbutton.window);
+       struct xwidget_view *xvw;
+
+       xvw = xwidget_view_from_window (event->xbutton.window);
 
        if (xvw)
          {
@@ -21407,10 +21418,10 @@ handle_one_xevent (struct x_display_info *dpyinfo,
 
              {
 #ifdef HAVE_XWIDGETS
-               struct xwidget_view *xwidget_view = xwidget_view_from_window 
(enter->event);
-#endif
+               struct xwidget_view *xwidget_view;
+
+               xwidget_view = xwidget_view_from_window (enter->event);
 
-#ifdef HAVE_XWIDGETS
                if (xwidget_view)
                  {
                    xwidget_motion_or_crossing (xwidget_view, event);
@@ -21544,8 +21555,9 @@ handle_one_xevent (struct x_display_info *dpyinfo,
 
 #ifdef HAVE_XWIDGETS
              {
-               struct xwidget_view *xvw
-                 = xwidget_view_from_window (leave->event);
+               struct xwidget_view *xvw;
+
+               xvw = xwidget_view_from_window (leave->event);
 
                if (xvw)
                  {