[Patches] Lag Compensation; [Launcher] Acrylic and Light/Dark themes and other improvements

2021-02-26 00:24:12 +01:00
parent 77a99e4cf3
commit 581b78972f
14 changed files with 699 additions and 223 deletions
@@ -0,0 +1,99 @@
+#pragma once
+#include <windows.h>
+
+enum AccentState {
+	ACCENT_DISABLED = 0,
+	ACCENT_ENABLE_GRADIENT = 1,
+	ACCENT_ENABLE_TRANSPARENTGRADIENT = 2,
+	ACCENT_ENABLE_BLURBEHIND = 3,
+	ACCENT_ENABLE_ACRYLICBLURBEHIND = 4,
+	ACCENT_ENABLE_HOSTBACKDROP = 5,
+	ACCENT_INVALID_STATE = 6
+};
+
+enum WindowCompositionAttribute {
+	WCA_ACCENT_POLICY = 19,
+	WCA_USEDARKMODECOLORS = 26
+};
+
+struct AccentPolicy {
+	AccentState accentState;
+	int accentFlags;
+	int gradientColor;
+	int animationId;
+};
+
+struct WindowCompositionAttributeData {
+	WindowCompositionAttribute attribute;
+	PVOID pData;
+	ULONG dataSize;
+};
+
+bool setBlur(HWND hWnd, AccentState accentState)
+{
+	HKEY CurrentVersion;
+	auto result = RegOpenKeyEx(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", 0, KEY_QUERY_VALUE, &CurrentVersion);
+	if (result == ERROR_SUCCESS)
+	{
+		DWORD DataSize = 32;
+		WCHAR* DataPtr = (WCHAR*)malloc(DataSize);
+		memset(DataPtr, 0, DataSize);
+		bool queryBuild = RegQueryValueEx(CurrentVersion, L"CurrentBuild", NULL, NULL, (LPBYTE)DataPtr, &DataSize) == ERROR_SUCCESS;
+		RegCloseKey(CurrentVersion);
+		if (queryBuild)
+		{
+			int BuildNum = _wtoi(DataPtr);
+			//MessageBox::Show(BuildNum.ToString());
+			if (BuildNum < 19042) return 0;
+		}
+		else return 0;
+	}
+	else return 0;
+
+	const HINSTANCE hModule_user32 = LoadLibrary(TEXT("user32.dll"));
+	if (hModule_user32)
+	{
+		typedef BOOL(WINAPI* p_SetWindowCompositionAttribute)(HWND, WindowCompositionAttributeData*);
+
+		const p_SetWindowCompositionAttribute SetWindowCompositionAttribute = (p_SetWindowCompositionAttribute)GetProcAddress(hModule_user32, "SetWindowCompositionAttribute");
+
+		bool result = false;
+
+		if (SetWindowCompositionAttribute)
+		{
+			AccentPolicy policy;
+			policy.accentState = accentState;
+			policy.accentFlags = 2;
+			policy.gradientColor = 0x01000000;
+			policy.animationId = 0;
+
+			WindowCompositionAttributeData data;
+			data.attribute = WCA_ACCENT_POLICY;
+			data.pData = &policy;
+			data.dataSize = sizeof(AccentPolicy);
+
+			result = SetWindowCompositionAttribute(hWnd, &data);
+		}
+		FreeLibrary(hModule_user32);
+
+		return result;
+	}
+}
+
+void setDarkTheme(HWND hWnd, bool dark=true)
+{
+	const HINSTANCE hModule_dwmapi = LoadLibrary(TEXT("dwmapi.dll"));
+	if (hModule_dwmapi)
+	{
+		typedef BOOL(WINAPI* p_DwmSetWindowAttribute)(HWND, DWORD, LPCVOID, DWORD);
+		const p_DwmSetWindowAttribute DwmSetWindowAttribute = (p_DwmSetWindowAttribute)GetProcAddress(hModule_dwmapi, "DwmSetWindowAttribute");
+
+		if (DwmSetWindowAttribute)
+		{
+			LONG useDarkModeColors = dark;
+			if(DwmSetWindowAttribute(hWnd, 20, &useDarkModeColors, sizeof(useDarkModeColors)))
+				DwmSetWindowAttribute(hWnd, 19, &useDarkModeColors, sizeof(useDarkModeColors));
+		}
+		FreeLibrary(hModule_dwmapi);
+	}
+}