01/01: [EXPLORER] Fix TrackCtxMenu about NULL ppt (#666)

[Katayama Hirofumi MZ]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=58825de892e24abff17bc8...

commit 58825de892e24abff17bc842b12ec389173c0dd5
Author:     Katayama Hirofumi MZ [e-mail]
AuthorDate: Sun Jul 8 23:36:28 2018 +0900
Commit:     Hermès BÉLUSCA - MAÏTO [e-mail]
CommitDate: Sun Jul 8 16:36:28 2018 +0200

[EXPLORER] Fix TrackCtxMenu about NULL ppt (#666)

CORE-14772
---
 base/shell/explorer/traywnd.cpp | 31 ++++++++++++++++++++++++++++---
 1 file changed, 28 insertions(+), 3 deletions(-)

diff --git a/base/shell/explorer/traywnd.cpp b/base/shell/explorer/traywnd.cpp
index f116f3b953..aec731d22d 100644
--- a/base/shell/explorer/traywnd.cpp
+++ b/base/shell/explorer/traywnd.cpp
@@ -709,8 +709,9 @@ public:
         IN BOOL TrackUp,
         IN PVOID Context OPTIONAL)
     {
-        INT x = ppt->x;
-        INT y = ppt->y;
+        POINT pt;
+        TPMPARAMS params;
+        RECT rc;
         HRESULT hr;
         UINT uCommand;
         HMENU popup = CreatePopupMenu();
@@ -718,6 +719,17 @@ public:
         if (popup == NULL)
             return E_FAIL;

+        if (ppt)
+        {
+            pt = *ppt;
+        }
+        else
+        {
+            ::GetWindowRect(m_hWnd, &rc);
+            pt.x = rc.left;
+            pt.y = rc.top;
+        }
+
         TRACE("Before Query\n");
         hr = contextMenu->QueryContextMenu(popup, 0, 0, UINT_MAX, CMF_NORMAL);
         if (FAILED_UNEXPECTEDLY(hr))
@@ -728,7 +740,20 @@ public:
         }

TRACE("Before Tracking\n");
-        uCommand = ::TrackPopupMenuEx(popup, TPM_RETURNCMD, x, y, m_hWnd, NULL);
+        ::SetForegroundWindow(m_hWnd);
+        if (hwndExclude)
+        {
+            ::GetWindowRect(hwndExclude, &rc);
+            ZeroMemory(&params, sizeof(params));
+            params.cbSize = sizeof(params);
+            params.rcExclude = rc;
+            uCommand = ::TrackPopupMenuEx(popup, TPM_RETURNCMD, pt.x, pt.y, m_hWnd, &params);
+        }
+        else
+        {
+            uCommand = ::TrackPopupMenuEx(popup, TPM_RETURNCMD, pt.x, pt.y, m_hWnd, NULL);
+        }
+        ::PostMessage(m_hWnd, WM_NULL, 0, 0);

if (uCommand != 0)
         {