PDL3 part 2

2021-07-22 04:35:52 +02:00
parent adb5c02256
commit 362b28da6e
22 changed files with 1582 additions and 295 deletions
@@ -0,0 +1,61 @@
+#pragma once
+#include <windows.h>
+#include <string>
+
+void setFullscreenOptimizations(bool enable)
+{
+    HKEY Layers;
+
+    LONG result = RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\Microsoft\\Windows NT\\CurrentVersion\\AppCompatFlags\\Layers", 0, KEY_ALL_ACCESS, &Layers);
+
+    if (!result == ERROR_SUCCESS) return;
+
+    WCHAR value[MAX_PATH];
+    GetModuleFileNameW(NULL, value, MAX_PATH);
+
+    if (!enable)
+    {
+        const LPCTSTR data = L"~ DISABLEDXMAXIMIZEDWINDOWEDMODE\0\0";
+        result = RegSetValueExW(Layers, value, 0, REG_SZ, (LPBYTE)data, 2*(wcslen(data) + 1));
+    }
+    else result = RegDeleteValueW(Layers, value);
+
+    if (!result == ERROR_SUCCESS) return;
+
+    result = RegCloseKey(Layers);
+
+    if (!result == ERROR_SUCCESS) return;
+}
+
+bool getFullscreenOptimizations()
+{
+    HKEY Layers;
+
+    LONG result = RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\Microsoft\\Windows NT\\CurrentVersion\\AppCompatFlags\\Layers", 0, KEY_ALL_ACCESS, &Layers);
+
+    if (!result == ERROR_SUCCESS) return 0;
+
+    WCHAR value[MAX_PATH];
+    GetModuleFileNameW(NULL, value, MAX_PATH);
+
+    //const LPCTSTR data = L"~ DISABLEDXMAXIMIZEDWINDOWEDMODE";
+    DWORD DataSize = 2048;
+    WCHAR* DataPtr = (WCHAR*)malloc(DataSize);
+    memset(DataPtr, 0, DataSize);
+    result = RegQueryValueExW(Layers, value, NULL, NULL, (LPBYTE)DataPtr, &DataSize);
+
+    if (!result == ERROR_SUCCESS) return 1;
+
+    result = RegCloseKey(Layers);
+
+    if (!result == ERROR_SUCCESS) return 1;
+
+    std::wstring regstr(DataPtr);
+    bool val = regstr.find(L"DISABLEDXMAXIMIZEDWINDOWEDMODE") == -1;
+       
+
+    //bool val = wcscmp(data, DataPtr);
+
+    free(DataPtr);
+    return val;
+}