From f5e0e954903b5f8de61c400489cfe494145a854a Mon Sep 17 00:00:00 2001
From: FunkyFr3sh <cc.red.alert.1@googlemail.com>
Date: Thu, 30 May 2024 03:00:23 +0200
Subject: [PATCH] hook GetWindowPlacement

---
 inc/hook.h         |  6 ++++--
 inc/winapi_hooks.h |  1 +
 src/hook.c         |  2 ++
 src/winapi_hooks.c | 27 +++++++++++++++++++++++++++
 4 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/inc/hook.h b/inc/hook.h
index ae3a404..15b49df 100644
--- a/inc/hook.h
+++ b/inc/hook.h
@@ -17,7 +17,7 @@ typedef struct HOOKLISTDATA {
     HMODULE mod;
 } HOOKLISTDATA;
 
-typedef struct HOOKLIST { char module_name[32]; HOOKLISTDATA data[32]; } HOOKLIST;
+typedef struct HOOKLIST { char module_name[32]; HOOKLISTDATA data[33]; } HOOKLIST;
 
 typedef BOOL(WINAPI* GETCURSORPOSPROC)(LPPOINT);
 typedef BOOL(WINAPI* CLIPCURSORPROC)(const RECT*);
@@ -53,10 +53,11 @@ typedef int (WINAPI* SETDIBITSTODEVICEPROC)(
 typedef int (WINAPI* STRETCHDIBITSPROC)(
     HDC, int, int, int, int, int, int, int, int, const VOID*, const BITMAPINFO*, UINT, DWORD);
 
-typedef BOOL (WINAPI* SETFOREGROUNDWINDOWPROC)(HWND hWnd);
+typedef BOOL (WINAPI* SETFOREGROUNDWINDOWPROC)(HWND);
 typedef HHOOK(WINAPI* SETWINDOWSHOOKEXAPROC)(int, HOOKPROC, HINSTANCE, DWORD);
 typedef BOOL(WINAPI* PEEKMESSAGEAPROC)(LPMSG, HWND, UINT, UINT, UINT);
 typedef BOOL(WINAPI* GETMESSAGEAPROC)(LPMSG, HWND, UINT, UINT);
+typedef BOOL(WINAPI* GETWINDOWPLACEMENTPROC)(HWND, WINDOWPLACEMENT*);
 typedef SHORT(WINAPI* GETKEYSTATEPROC)(int);
 typedef SHORT(WINAPI* GETASYNCKEYSTATEPROC)(int);
 
@@ -105,6 +106,7 @@ extern SETFOREGROUNDWINDOWPROC real_SetForegroundWindow;
 extern SETWINDOWSHOOKEXAPROC real_SetWindowsHookExA;
 extern PEEKMESSAGEAPROC real_PeekMessageA;
 extern GETMESSAGEAPROC real_GetMessageA;
+extern GETWINDOWPLACEMENTPROC real_GetWindowPlacement;
 extern GETKEYSTATEPROC real_GetKeyState;
 extern GETASYNCKEYSTATEPROC real_GetAsyncKeyState;
 extern GETDEVICECAPSPROC real_GetDeviceCaps;
diff --git a/inc/winapi_hooks.h b/inc/winapi_hooks.h
index 3608cc2..89a948c 100644
--- a/inc/winapi_hooks.h
+++ b/inc/winapi_hooks.h
@@ -33,6 +33,7 @@ BOOL WINAPI fake_SetForegroundWindow(HWND hWnd);
 HHOOK WINAPI fake_SetWindowsHookExA(int idHook, HOOKPROC lpfn, HINSTANCE hmod, DWORD dwThreadId);
 BOOL WINAPI fake_PeekMessageA(LPMSG lpMsg, HWND hWnd, UINT wMsgFilterMin, UINT wMsgFilterMax, UINT wRemoveMsg);
 BOOL WINAPI fake_GetMessageA(LPMSG lpMsg, HWND hWnd, UINT wMsgFilterMin, UINT wMsgFilterMax);
+BOOL WINAPI fake_GetWindowPlacement(HWND hWnd, WINDOWPLACEMENT* lpwndpl);
 SHORT WINAPI fake_GetKeyState(int nVirtKey);
 SHORT WINAPI fake_GetAsyncKeyState(int vKey);
 int WINAPI fake_GetDeviceCaps(HDC hdc, int index);
diff --git a/src/hook.c b/src/hook.c
index b6653a8..459661d 100644
--- a/src/hook.c
+++ b/src/hook.c
@@ -49,6 +49,7 @@ SETFOREGROUNDWINDOWPROC real_SetForegroundWindow = SetForegroundWindow;
 SETWINDOWSHOOKEXAPROC real_SetWindowsHookExA = SetWindowsHookExA;
 PEEKMESSAGEAPROC real_PeekMessageA = PeekMessageA;
 GETMESSAGEAPROC real_GetMessageA = GetMessageA;
+GETWINDOWPLACEMENTPROC real_GetWindowPlacement = GetWindowPlacement;
 GETKEYSTATEPROC real_GetKeyState = GetKeyState;
 GETASYNCKEYSTATEPROC real_GetAsyncKeyState = GetAsyncKeyState;
 GETDEVICECAPSPROC real_GetDeviceCaps = GetDeviceCaps;
@@ -95,6 +96,7 @@ HOOKLIST g_hook_hooklist[] =
             { "GetForegroundWindow", (PROC)fake_GetForegroundWindow, (PROC*)&real_GetForegroundWindow, 0 },
             { "PeekMessageA", (PROC)fake_PeekMessageA, (PROC*)&real_PeekMessageA, 0 },
             { "GetMessageA", (PROC)fake_GetMessageA, (PROC*)&real_GetMessageA, 0 },
+            { "GetWindowPlacement", (PROC)fake_GetWindowPlacement, (PROC*)&real_GetWindowPlacement, 0 },
             { "GetKeyState", (PROC)fake_GetKeyState, (PROC*)&real_GetKeyState, 0 },
             { "GetAsyncKeyState", (PROC)fake_GetAsyncKeyState, (PROC*)&real_GetAsyncKeyState, 0 },
             { "SetForegroundWindow", (PROC)fake_SetForegroundWindow, (PROC*)&real_SetForegroundWindow, 0 },
diff --git a/src/winapi_hooks.c b/src/winapi_hooks.c
index a8cc502..0c80b72 100644
--- a/src/winapi_hooks.c
+++ b/src/winapi_hooks.c
@@ -732,6 +732,33 @@ BOOL WINAPI fake_PeekMessageA(LPMSG lpMsg, HWND hWnd, UINT wMsgFilterMin, UINT w
     return result;
 }
 
+BOOL WINAPI fake_GetWindowPlacement(HWND hWnd, WINDOWPLACEMENT* lpwndpl)
+{
+    BOOL result = real_GetWindowPlacement(hWnd, lpwndpl);
+
+    if (result &&
+        lpwndpl &&
+        g_ddraw.ref &&
+        g_ddraw.hwnd &&
+        g_ddraw.width &&
+        (g_config.hook != 2 || g_ddraw.renderer == gdi_render_main))
+    {
+        if (hWnd == g_ddraw.hwnd || hWnd == GetDesktopWindow())
+        {
+            lpwndpl->rcNormalPosition.bottom = g_ddraw.height;
+            lpwndpl->rcNormalPosition.left = 0;
+            lpwndpl->rcNormalPosition.right = g_ddraw.width;
+            lpwndpl->rcNormalPosition.top = 0;
+        }
+        else
+        {
+            real_MapWindowPoints(HWND_DESKTOP, g_ddraw.hwnd, (LPPOINT)&lpwndpl->rcNormalPosition, 2);
+        }
+    }
+
+    return result;
+}
+
 SHORT WINAPI fake_GetKeyState(int nVirtKey)
 {
     if (g_config.windowed && g_ddraw.ref && g_ddraw.hwnd && !util_in_foreground())