[reactos] 01/01: [CONSRV] Cache the console window system menu handle; simplify its initialization code.

[Hermès Bélusca-Maïto]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=0aed8b09a411b6c2ef4af…

commit 0aed8b09a411b6c2ef4af5976c2f80a40f0b2604
Author:     Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org>
AuthorDate: Sun Apr 28 21:47:55 2019 +0200
Commit:     Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org>
CommitDate: Sun Apr 28 21:47:55 2019 +0200

    [CONSRV] Cache the console window system menu handle; simplify its initialization
code.
---
 win32ss/user/winsrv/consrv/frontends/gui/conwnd.c  | 40 ++++++++++++----------
 win32ss/user/winsrv/consrv/frontends/gui/conwnd.h  |  1 +
 win32ss/user/winsrv/consrv/frontends/gui/guiterm.c |  8 ++---
 3 files changed, 27 insertions(+), 22 deletions(-)

diff --git a/win32ss/user/winsrv/consrv/frontends/gui/conwnd.c
b/win32ss/user/winsrv/consrv/frontends/gui/conwnd.c
index 9da1e92e76..13f5da948f 100644
--- a/win32ss/user/winsrv/consrv/frontends/gui/conwnd.c
+++ b/win32ss/user/winsrv/consrv/frontends/gui/conwnd.c
@@ -231,30 +231,32 @@ VOID
 CreateSysMenu(HWND hWnd)
 {
     MENUITEMINFOW mii;
+    HMENU hMenu;
+    PWCHAR ptrTab;
     WCHAR szMenuStringBack[255];
-    WCHAR *ptrTab;
-    HMENU hMenu = GetSystemMenu(hWnd, FALSE);
-    if (hMenu != NULL)
-    {
-        mii.cbSize = sizeof(mii);
-        mii.fMask = MIIM_STRING;
-        mii.dwTypeData = szMenuStringBack;
-        mii.cch = sizeof(szMenuStringBack)/sizeof(WCHAR);
 
-        GetMenuItemInfoW(hMenu, SC_CLOSE, FALSE, &mii);
+    hMenu = GetSystemMenu(hWnd, FALSE);
+    if (hMenu == NULL)
+        return;
 
-        ptrTab = wcschr(szMenuStringBack, '\t');
-        if (ptrTab)
-        {
-           *ptrTab = '\0';
-           mii.cch = wcslen(szMenuStringBack);
+    mii.cbSize = sizeof(mii);
+    mii.fMask = MIIM_STRING;
+    mii.dwTypeData = szMenuStringBack;
+    mii.cch = ARRAYSIZE(szMenuStringBack);
 
-           SetMenuItemInfoW(hMenu, SC_CLOSE, FALSE, &mii);
-        }
+    GetMenuItemInfoW(hMenu, SC_CLOSE, FALSE, &mii);
+
+    ptrTab = wcschr(szMenuStringBack, L'\t');
+    if (ptrTab)
+    {
+        *ptrTab = L'\0';
+        mii.cch = wcslen(szMenuStringBack);
 
-        AppendMenuItems(hMenu, GuiConsoleMainMenuItems);
-        DrawMenuBar(hWnd);
+        SetMenuItemInfoW(hMenu, SC_CLOSE, FALSE, &mii);
     }
+
+    AppendMenuItems(hMenu, GuiConsoleMainMenuItems);
+    DrawMenuBar(hWnd);
 }
 
 static VOID
@@ -597,6 +599,7 @@ OnNcCreate(HWND hWnd, LPCREATESTRUCTW Create)
     Console = GuiData->Console;
 
     GuiData->hWindow = hWnd;
+    GuiData->hSysMenu = GetSystemMenu(hWnd, FALSE);
 
     /* Initialize the fonts */
     if (!InitFonts(GuiData,
@@ -1370,6 +1373,7 @@ OnNcDestroy(HWND hWnd)
     /* Free the GuiData registration */
     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (DWORD_PTR)NULL);
 
+    /* Reset the system menu back to default and destroy the previous menu */
     GetSystemMenu(hWnd, TRUE);
 
     if (GuiData)
diff --git a/win32ss/user/winsrv/consrv/frontends/gui/conwnd.h
b/win32ss/user/winsrv/consrv/frontends/gui/conwnd.h
index 1efc2103cb..6a5215fb69 100644
--- a/win32ss/user/winsrv/consrv/frontends/gui/conwnd.h
+++ b/win32ss/user/winsrv/consrv/frontends/gui/conwnd.h
@@ -73,6 +73,7 @@ typedef struct _GUI_CONSOLE_DATA
 
     BOOL HackCORE8394IgnoreNextMove; /* HACK FOR CORE-8394. See conwnd.c!OnMouse for more
details. */
 
+    HMENU hSysMenu;             /* Handle to the console window system menu */
     BOOL IsCloseButtonEnabled;  /* TRUE if the Close button and the corresponding system
menu item are enabled (default), FALSE otherwise */
     UINT CmdIdLow ;             /* Lowest menu id of the user-reserved menu id range */
     UINT CmdIdHigh;             /* Highest menu id of the user-reserved menu id range */
diff --git a/win32ss/user/winsrv/consrv/frontends/gui/guiterm.c
b/win32ss/user/winsrv/consrv/frontends/gui/guiterm.c
index 2b2e9d4f27..c811c4c030 100644
--- a/win32ss/user/winsrv/consrv/frontends/gui/guiterm.c
+++ b/win32ss/user/winsrv/consrv/frontends/gui/guiterm.c
@@ -96,6 +96,7 @@ InvalidateCell(PGUI_CONSOLE_DATA GuiData,
  *                        GUI Terminal Initialization                         *
  ******************************************************************************/
 
+// FIXME: HACK: Potential HACK for CORE-8129; see revision 63595.
 VOID
 CreateSysMenu(HWND hWnd);
 
@@ -1116,7 +1117,7 @@ GuiMenuControl(IN OUT PFRONTEND This,
     GuiData->CmdIdLow  = CmdIdLow ;
     GuiData->CmdIdHigh = CmdIdHigh;
 
-    return GetSystemMenu(GuiData->hWindow, FALSE);
+    return GuiData->hSysMenu;
 }
 
 static BOOL NTAPI
@@ -1130,12 +1131,11 @@ GuiSetMenuClose(IN OUT PFRONTEND This,
      */
 
     PGUI_CONSOLE_DATA GuiData = This->Context;
-    HMENU hSysMenu = GetSystemMenu(GuiData->hWindow, FALSE);
 
-    if (hSysMenu == NULL) return FALSE;
+    if (GuiData->hSysMenu == NULL) return FALSE;
 
     GuiData->IsCloseButtonEnabled = Enable;
-    EnableMenuItem(hSysMenu, SC_CLOSE, MF_BYCOMMAND | (Enable ? MF_ENABLED :
MF_GRAYED));
+    EnableMenuItem(GuiData->hSysMenu, SC_CLOSE, MF_BYCOMMAND | (Enable ? MF_ENABLED :
MF_GRAYED));
 
     return TRUE;
 }