Initial community commit

1 files changed, 74 insertions, 0 deletions

diff --git a/Src/Plugins/Input/in_cdda/grabwnd.cpp b/Src/Plugins/Input/in_cdda/grabwnd.cpp
new file mode 100644
index 00000000..71341fcd
--- /dev/null
+++ b/Src/Plugins/Input/in_cdda/grabwnd.cpp
@@ -0,0 +1,74 @@
+#include ".\grabwnd.h"
+#include <strsafe.h>
+
+
+#define LCID_INVARIANT	MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT)
+typedef struct _GRABDATA
+{
+	HHOOK	hook;
+	HWND		hwndParent;
+	WCHAR	szClassName[256];
+	WCHAR	szTitle[256];
+	GRABCB	callback;
+	ULONG_PTR user;
+} GRABDATA;
+
+static GRABDATA g_grab = {0, 0, };
+
+static BOOL IsTargetClass(HWND hwnd, LPCWSTR plzClassName)
+{
+	wchar_t szName[256] = {0};
+	return  (0x00 == plzClassName[0] || 
+				(GetClassNameW(hwnd, szName, sizeof(szName)/sizeof(wchar_t)) &&
+								CSTR_EQUAL == CompareStringW(LCID_INVARIANT, NORM_IGNORECASE, szName, -1, plzClassName, -1)));
+}
+
+static BOOL IsTargetTitle(HWND hwnd, LPCWSTR pszTitle)
+{
+	wchar_t szName[256] = {0};
+	return  (0x00 == pszTitle[0] || 
+				(GetWindowTextW(hwnd, szName, sizeof(szName)/sizeof(wchar_t)) &&
+								CSTR_EQUAL == CompareStringW(LCID_INVARIANT, NORM_IGNORECASE, szName, -1, pszTitle, -1)));
+}
+static LRESULT CALLBACK HookProc(int code, WPARAM wParam, LPARAM lParam) 
+{
+	if (HCBT_CREATEWND == code && IsTargetClass((HWND)wParam, g_grab.szClassName) && 
+			IsTargetTitle((HWND)wParam, g_grab.szTitle) && 
+			(!g_grab.hwndParent || ((CBT_CREATEWND*)lParam)->lpcs->hwndParent == g_grab.hwndParent))
+	{
+		LRESULT result;
+		if (g_grab.callback)
+		{
+			g_grab.callback((HWND)wParam, ((CBT_CREATEWND*)lParam)->lpcs, &((CBT_CREATEWND*)lParam)->hwndInsertAfter, g_grab.user);
+		}
+		result = CallNextHookEx(g_grab.hook, code, wParam, lParam); 
+		UnhookWindowsHookEx(g_grab.hook);
+	
+		
+		ZeroMemory(&g_grab, sizeof(GRABDATA)); 
+		return result;
+	}
+	return CallNextHookEx(g_grab.hook, code, wParam, lParam); 
+}
+
+BOOL BeginGrabCreateWindow(LPCWSTR pszClassName, LPCWSTR pszTitle, HWND hwndParent, GRABCB callback, ULONG_PTR user)
+{
+	if (g_grab.hook || !callback) return FALSE;
+	if (pszClassName) StringCchCopyW(g_grab.szClassName, sizeof(g_grab.szClassName)/sizeof(wchar_t), pszClassName);
+	else g_grab.szClassName[0] = 0x00;
+	if (pszTitle) StringCchCopyW(g_grab.szTitle, sizeof(g_grab.szTitle)/sizeof(wchar_t), pszTitle);
+	else g_grab.szTitle[0] = 0x00;
+	g_grab.hwndParent = hwndParent;
+	g_grab.callback = callback;
+	g_grab.user = user;
+
+	g_grab.hook =  SetWindowsHookEx(WH_CBT, HookProc, NULL, GetCurrentThreadId());
+	if (!g_grab.hook) ZeroMemory(&g_grab, sizeof(GRABDATA));
+	
+	return (NULL != g_grab.hook);
+}
+void EndGrabCreateWindow(void)
+{
+	if (g_grab.hook) UnhookWindowsHookEx(g_grab.hook);
+	ZeroMemory(&g_grab, sizeof(GRABDATA));
+}
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