From 4e83d2fca0861906f40eae8c4ed7afe8513833a2 Mon Sep 17 00:00:00 2001
From: Ken Thomases <ken@codeweavers.com>
Date: Mon, 21 Jan 2013 00:08:08 -0600
Subject: [PATCH] winemac: Implement MsgWaitForMultipleObjectsEx and
 infrastructure for processing events.

---
 dlls/winemac.drv/Makefile.in      |   1 +
 dlls/winemac.drv/event.c          | 125 ++++++++++++++++++++++++++++++
 dlls/winemac.drv/macdrv.h         |   1 +
 dlls/winemac.drv/winemac.drv.spec |   1 +
 4 files changed, 128 insertions(+)
 create mode 100644 dlls/winemac.drv/event.c

diff --git a/dlls/winemac.drv/Makefile.in b/dlls/winemac.drv/Makefile.in
index 0dfcbc42410..1de19ef7f36 100644
--- a/dlls/winemac.drv/Makefile.in
+++ b/dlls/winemac.drv/Makefile.in
@@ -4,6 +4,7 @@ EXTRALIBS = -framework AppKit
 
 C_SRCS = \
 	display.c \
+	event.c \
 	gdi.c \
 	macdrv_main.c \
 	surface.c \
diff --git a/dlls/winemac.drv/event.c b/dlls/winemac.drv/event.c
new file mode 100644
index 00000000000..fcef5500829
--- /dev/null
+++ b/dlls/winemac.drv/event.c
@@ -0,0 +1,125 @@
+/*
+ * MACDRV event driver
+ *
+ * Copyright 1993 Alexandre Julliard
+ *           1999 Noel Borthwick
+ * Copyright 2011, 2012, 2013 Ken Thomases for CodeWeavers Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include "config.h"
+
+#include "macdrv.h"
+#include "winuser.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(event);
+
+
+/* return the name of an Mac event */
+static const char *dbgstr_event(int type)
+{
+    return wine_dbg_sprintf("Unknown event %d", type);
+}
+
+
+/***********************************************************************
+ *              get_event_mask
+ */
+static macdrv_event_mask get_event_mask(DWORD mask)
+{
+    if ((mask & QS_ALLINPUT) == QS_ALLINPUT) return -1;
+    return 0;
+}
+
+
+/***********************************************************************
+ *              macdrv_handle_event
+ */
+void macdrv_handle_event(macdrv_event *event)
+{
+    HWND hwnd = macdrv_get_window_hwnd(event->window);
+    const macdrv_event *prev;
+    struct macdrv_thread_data *thread_data = macdrv_thread_data();
+
+    TRACE("%s for hwnd/window %p/%p\n", dbgstr_event(event->type), hwnd,
+          event->window);
+
+    prev = thread_data->current_event;
+    thread_data->current_event = event;
+
+    switch (event->type)
+    {
+    default:
+        TRACE("    ignoring\n");
+        break;
+    }
+
+    thread_data->current_event = prev;
+}
+
+
+/***********************************************************************
+ *              process_events
+ */
+static int process_events(macdrv_event_queue queue, macdrv_event_mask mask)
+{
+    macdrv_event event;
+    int count = 0;
+
+    while (macdrv_get_event_from_queue(queue, mask, &event))
+    {
+        count++;
+        macdrv_handle_event(&event);
+        macdrv_cleanup_event(&event);
+    }
+    if (count) TRACE("processed %d events\n", count);
+    return count;
+}
+
+
+/***********************************************************************
+ *              MsgWaitForMultipleObjectsEx   (MACDRV.@)
+ */
+DWORD CDECL macdrv_MsgWaitForMultipleObjectsEx(DWORD count, const HANDLE *handles,
+                                               DWORD timeout, DWORD mask, DWORD flags)
+{
+    DWORD ret;
+    struct macdrv_thread_data *data = macdrv_thread_data();
+    macdrv_event_mask event_mask = get_event_mask(mask);
+
+    TRACE("count %d, handles %p, timeout %u, mask %x, flags %x\n", count,
+          handles, timeout, mask, flags);
+
+    if (!data)
+    {
+        if (!count && !timeout) return WAIT_TIMEOUT;
+        return WaitForMultipleObjectsEx(count, handles, flags & MWMO_WAITALL,
+                                        timeout, flags & MWMO_ALERTABLE);
+    }
+
+    if (data->current_event) event_mask = 0;  /* don't process nested events */
+
+    if (process_events(data->queue, event_mask)) ret = count - 1;
+    else if (count || timeout)
+    {
+        ret = WaitForMultipleObjectsEx(count, handles, flags & MWMO_WAITALL,
+                                       timeout, flags & MWMO_ALERTABLE);
+        if (ret == count - 1) process_events(data->queue, event_mask);
+    }
+    else ret = WAIT_TIMEOUT;
+
+    return ret;
+}
diff --git a/dlls/winemac.drv/macdrv.h b/dlls/winemac.drv/macdrv.h
index dee2fd8d210..7fe41095f2c 100644
--- a/dlls/winemac.drv/macdrv.h
+++ b/dlls/winemac.drv/macdrv.h
@@ -83,6 +83,7 @@ static inline RECT rect_from_cgrect(CGRect cgrect)
 struct macdrv_thread_data
 {
     macdrv_event_queue          queue;
+    const macdrv_event         *current_event;
 };
 
 extern DWORD thread_data_tls_index DECLSPEC_HIDDEN;
diff --git a/dlls/winemac.drv/winemac.drv.spec b/dlls/winemac.drv/winemac.drv.spec
index 53b978598ef..f2ffffc69e0 100644
--- a/dlls/winemac.drv/winemac.drv.spec
+++ b/dlls/winemac.drv/winemac.drv.spec
@@ -9,6 +9,7 @@
 @ cdecl DestroyWindow(long) macdrv_DestroyWindow
 @ cdecl EnumDisplayMonitors(long ptr ptr long) macdrv_EnumDisplayMonitors
 @ cdecl GetMonitorInfo(long ptr) macdrv_GetMonitorInfo
+@ cdecl MsgWaitForMultipleObjectsEx(long ptr long long long) macdrv_MsgWaitForMultipleObjectsEx
 @ cdecl SetLayeredWindowAttributes(long long long long) macdrv_SetLayeredWindowAttributes
 @ cdecl SetParent(long long long) macdrv_SetParent
 @ cdecl SetWindowRgn(long long long) macdrv_SetWindowRgn