From 78b912b09c985532665f889a896f0dbaa65955f0 Mon Sep 17 00:00:00 2001
From: FunkyFr3sh <cc.red.alert.1@googlemail.com>
Date: Tue, 24 Dec 2024 07:48:15 +0100
Subject: [PATCH] hook SetParent

---
 inc/hook.h         |  4 +++-
 inc/winapi_hooks.h |  1 +
 src/hook.c         |  2 ++
 src/winapi_hooks.c | 29 +++++++++++++++++++++++++++++
 4 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/inc/hook.h b/inc/hook.h
index bbab6da..089f668 100644
--- a/inc/hook.h
+++ b/inc/hook.h
@@ -18,7 +18,7 @@ typedef struct HOOKLISTDATA {
     HMODULE mod;
 } HOOKLISTDATA;
 
-typedef struct HOOKLIST { char module_name[32]; HOOKLISTDATA data[37]; } HOOKLIST;
+typedef struct HOOKLIST { char module_name[32]; HOOKLISTDATA data[38]; } HOOKLIST;
 
 typedef BOOL(WINAPI* GETCURSORPOSPROC)(LPPOINT);
 typedef BOOL(WINAPI* CLIPCURSORPROC)(const RECT*);
@@ -63,6 +63,7 @@ typedef BOOL(WINAPI* GETWINDOWPLACEMENTPROC)(HWND, WINDOWPLACEMENT*);
 typedef BOOL(WINAPI* SETWINDOWPLACEMENTPROC)(HWND, const WINDOWPLACEMENT*);
 typedef BOOL(WINAPI* ENUMDISPLAYSETTINGSAPROC)(LPCSTR, DWORD, DEVMODEA*);
 typedef LRESULT(WINAPI* DEFWINDOWPROCAPROC)(HWND, UINT, WPARAM, LPARAM);
+typedef HWND(WINAPI* SETPARENTPROC)(HWND, HWND);
 typedef SHORT(WINAPI* GETKEYSTATEPROC)(int);
 typedef SHORT(WINAPI* GETASYNCKEYSTATEPROC)(int);
 
@@ -125,6 +126,7 @@ extern GETWINDOWPLACEMENTPROC real_GetWindowPlacement;
 extern SETWINDOWPLACEMENTPROC real_SetWindowPlacement;
 extern ENUMDISPLAYSETTINGSAPROC real_EnumDisplaySettingsA;
 extern DEFWINDOWPROCAPROC real_DefWindowProcA;
+extern SETPARENTPROC real_SetParent;
 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 6c6cbb1..cab3ab6 100644
--- a/inc/winapi_hooks.h
+++ b/inc/winapi_hooks.h
@@ -38,6 +38,7 @@ BOOL WINAPI fake_GetWindowPlacement(HWND hWnd, WINDOWPLACEMENT* lpwndpl);
 BOOL WINAPI fake_SetWindowPlacement(HWND hWnd, const WINDOWPLACEMENT* lpwndpl);
 BOOL WINAPI fake_EnumDisplaySettingsA(LPCSTR lpszDeviceName, DWORD iModeNum, DEVMODEA* lpDevMode);
 LRESULT WINAPI fake_DefWindowProcA(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam);
+HWND WINAPI fake_SetParent(HWND hWndChild, HWND hWndNewParent);
 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 1e4bf14..1e536fb 100644
--- a/src/hook.c
+++ b/src/hook.c
@@ -54,6 +54,7 @@ GETWINDOWPLACEMENTPROC real_GetWindowPlacement = GetWindowPlacement;
 SETWINDOWPLACEMENTPROC real_SetWindowPlacement = SetWindowPlacement;
 ENUMDISPLAYSETTINGSAPROC real_EnumDisplaySettingsA = EnumDisplaySettingsA;
 DEFWINDOWPROCAPROC real_DefWindowProcA = DefWindowProcA;
+SETPARENTPROC real_SetParent = SetParent;
 GETKEYSTATEPROC real_GetKeyState = GetKeyState;
 GETASYNCKEYSTATEPROC real_GetAsyncKeyState = GetAsyncKeyState;
 GETDEVICECAPSPROC real_GetDeviceCaps = GetDeviceCaps;
@@ -117,6 +118,7 @@ HOOKLIST g_hook_hooklist[] =
             { "SetWindowPlacement", (PROC)fake_SetWindowPlacement, (PROC*)&real_SetWindowPlacement, 0 },
             { "EnumDisplaySettingsA", (PROC)fake_EnumDisplaySettingsA, (PROC*)&real_EnumDisplaySettingsA, 0 },
             { "DefWindowProcA", (PROC)fake_DefWindowProcA, (PROC*)&real_DefWindowProcA, 0 },
+            { "SetParent", (PROC)fake_SetParent, (PROC*)&real_SetParent, 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 bbb680b..0d2f981 100644
--- a/src/winapi_hooks.c
+++ b/src/winapi_hooks.c
@@ -886,6 +886,35 @@ LRESULT WINAPI fake_DefWindowProcA(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lP
     return real_DefWindowProcA(hWnd, Msg, wParam, lParam);
 }
 
+HWND WINAPI fake_SetParent(HWND hWndChild, HWND hWndNewParent)
+{
+    if (g_ddraw.ref && g_ddraw.hwnd && g_ddraw.hwnd == hWndNewParent)
+    {
+        char class_name[MAX_PATH] = { 0 };
+        GetClassNameA(hWndChild, class_name, sizeof(class_name) - 1);
+
+        if (strcmp(class_name, "VideoRenderer") == 0)
+        {
+            RECT rc_org;
+            fake_GetWindowRect(hWndChild, &rc_org);
+ 
+            HWND result = real_SetParent(hWndChild, hWndNewParent);
+
+            real_MoveWindow(
+                hWndChild,
+                rc_org.left,
+                rc_org.top,
+                (rc_org.right - rc_org.left),
+                (rc_org.bottom - rc_org.top),
+                FALSE);
+
+            return result;
+        }
+    }
+
+    return real_SetParent(hWndChild, hWndNewParent);
+}
+
 SHORT WINAPI fake_GetKeyState(int nVirtKey)
 {
     if (g_config.windowed && g_ddraw.ref && g_ddraw.hwnd && !util_in_foreground())