From ea70e545c90e0cbfe3ea33c31ba3ef4f3487c32c Mon Sep 17 00:00:00 2001
From: Po Lu <luangruo@yahoo.com>
Date: Fri, 21 Oct 2022 19:19:33 +0800
Subject: [PATCH] Fix delivery of window manager ping events during menu

* oldXMenu/Activate.c (XMenuActivateSetExposeFunction)
(XMenuActivate):
* oldXMenu/XMenu.h: Remove expose functions.
* src/msdos.h (XMenuSetAEQ): Remove no longer used function.
* src/xmenu.c (x_menu_expose_event): Delete function.
(x_menu_dispatch_event): New function.
(x_menu_show): Set it as the XMenu event handler.
---
 oldXMenu/Activate.c | 10 ----------
 oldXMenu/XMenu.h    |  2 --
 src/msdos.h         |  1 -
 src/xmenu.c         | 14 +++++++++-----
 4 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/oldXMenu/Activate.c b/oldXMenu/Activate.c
index e679c2ffed6..781c05bd026 100644
--- a/oldXMenu/Activate.c
+++ b/oldXMenu/Activate.c
@@ -122,7 +122,6 @@ int x_menu_grab_keyboard = 1;
 static Wait_func wait_func;
 static void* wait_data;
 static Translate_func translate_func = NULL;
-static Expose_func expose_func = NULL;
 
 void
 XMenuActivateSetWaitFunction (Wait_func func, void *data)
@@ -137,12 +136,6 @@ XMenuActivateSetTranslateFunction (Translate_func func)
   translate_func = func;
 }
 
-void
-XMenuActivateSetExposeFunction (Expose_func func)
-{
-  expose_func = func;
-}
-
 int
 XMenuActivate(
     register Display *display,		/* Display to put menu on. */
@@ -346,9 +339,6 @@ XMenuActivate(
 		    feq = feq_tmp;
 		}
 		else if (_XMEventHandler) (*_XMEventHandler)(&event);
-
-		if (expose_func)
-		  expose_func (&event);
 		break;
 	    }
 	    if (event_xmp->activated) {
diff --git a/oldXMenu/XMenu.h b/oldXMenu/XMenu.h
index 54061235ae7..2eee18a3844 100644
--- a/oldXMenu/XMenu.h
+++ b/oldXMenu/XMenu.h
@@ -259,7 +259,6 @@ typedef void (*Wait_func)(void*);
    XPutBackEvent on an equivalent artificial core event on any
    function it wants to translate.  */
 typedef void (*Translate_func)(XEvent *);
-typedef void (*Expose_func)(XEvent *);
 
 /*
  * XMenu library routine declarations.
@@ -281,7 +280,6 @@ int XMenuLocate(Display *display, XMenu *menu, int p_num, int s_num, int x_pos,
 void XMenuSetFreeze(XMenu *menu, int freeze);
 void XMenuActivateSetWaitFunction(Wait_func func, void *data);
 void XMenuActivateSetTranslateFunction(Translate_func func);
-void XMenuActivateSetExposeFunction(Expose_func func);
 int XMenuActivate(Display *display, XMenu *menu, int *p_num, int *s_num, int x_pos, int y_pos, unsigned int event_mask, char **data, void (*help_callback) (char const *, int, int));
 char *XMenuPost(Display *display, XMenu *menu, int *p_num, int *s_num, int x_pos, int y_pos, int event_mask);
 int XMenuDeletePane(Display *display, XMenu *menu, int p_num);
diff --git a/src/msdos.h b/src/msdos.h
index 24697bcf24b..1b304cf02b9 100644
--- a/src/msdos.h
+++ b/src/msdos.h
@@ -123,7 +123,6 @@ extern void x_set_menu_bar_lines (struct frame *, Lisp_Object, Lisp_Object);
 #define XGetGeometry(p1,p2,p3,p4,p5,p6,p7,p8,p9)
 #define DisplayWidth(p1,p2) (SELECTED_FRAME()->text_cols)
 #define DisplayHeight(p1,p2) (SELECTED_FRAME()->text_lines)
-#define XMenuSetAEQ (void)
 #define XMenuSetFreeze (void)
 #define XMenuRecompute (void)
 #define XM_FAILURE -1
diff --git a/src/xmenu.c b/src/xmenu.c
index 9d35e3529fb..d9660a6910f 100644
--- a/src/xmenu.c
+++ b/src/xmenu.c
@@ -294,10 +294,13 @@ x_menu_translate_generic_event (XEvent *event)
 #endif
 
 #if !defined USE_X_TOOLKIT && !defined USE_GTK
-static void
-x_menu_expose_event (XEvent *event)
+static int
+x_menu_dispatch_event (XEvent *event)
 {
   x_dispatch_event (event, event->xexpose.display);
+
+  /* The return doesn't really matter.  */
+  return 0;
 }
 #endif
 #endif /* ! MSDOS */
@@ -2747,21 +2750,22 @@ x_menu_show (struct frame *f, int x, int y, int menuflags,
       y += 1.5 * height/ (maxlines + 2);
     }
 
-  XMenuSetAEQ (menu, true);
   XMenuSetFreeze (menu, true);
   pane = selidx = 0;
 
 #ifndef MSDOS
   DEFER_SELECTIONS;
 
-  XMenuActivateSetWaitFunction (x_menu_wait_for_event, FRAME_X_DISPLAY (f));
+  XMenuActivateSetWaitFunction (x_menu_wait_for_event,
+				FRAME_X_DISPLAY (f));
+  XMenuEventHandler (x_menu_dispatch_event);
+
   /* When the input extension is in use, the owner_events grab will
      report extension events on frames, which the XMenu library does
      not normally understand.  */
 #ifdef HAVE_XINPUT2
   XMenuActivateSetTranslateFunction (x_menu_translate_generic_event);
 #endif
-  XMenuActivateSetExposeFunction (x_menu_expose_event);
 #endif
 
   record_unwind_protect_ptr (pop_down_menu,
-- 
2.39.2