Added Aero blur support. Documentation available at: http://rainmeter.net/RainCMS/?q=Skins_AeroBlur_beta

Library/MeterWindow.cpp

@@ -47,6 +47,12 @@ using namespace Gdiplus;
 
 int CMeterWindow::c_InstanceCount = 0;
 
+HINSTANCE CMeterWindow::c_DwmInstance = NULL;
+FPDWMENABLEBLURBEHINDWINDOW CMeterWindow::c_DwmEnableBlurBehindWindow = NULL;
+FPDWMGETCOLORIZATIONCOLOR CMeterWindow::c_DwmGetColorizationColor = NULL;
+FPDWMSETWINDOWATTRIBUTE CMeterWindow::c_DwmSetWindowAttribute = NULL;
+FPDWMISCOMPOSITIONENABLED CMeterWindow::c_DwmIsCompositionEnabled = NULL;
+
 extern CRainmeter* Rainmeter;
 
 /*
@@ -112,6 +118,9 @@ CMeterWindow::CMeterWindow(const std::wstring& path, const std::wstring& config,
 	m_BackgroundMode(BGMODE_IMAGE),
 	m_SolidAngle(),
 	m_SolidBevel(BEVELTYPE_NONE),
+	m_Blur(false),
+	m_BlurMode(BLURMODE_NONE),
+	m_BlurRegion(),
 	m_FadeStartTime(),
 	m_FadeStartValue(),
 	m_FadeEndValue(),
@@ -126,6 +135,18 @@ CMeterWindow::CMeterWindow(const std::wstring& path, const std::wstring& config,
 	m_MouseActionCursor(true),
 	m_ToolTipHidden(false)
 {
+	if (!c_DwmInstance && CSystem::GetOSPlatform() >= OSPLATFORM_VISTA)
+	{
+		c_DwmInstance = CSystem::RmLoadLibrary(L"dwmapi.dll");
+		if (c_DwmInstance)
+		{
+			c_DwmEnableBlurBehindWindow = (FPDWMENABLEBLURBEHINDWINDOW)GetProcAddress(c_DwmInstance, "DwmEnableBlurBehindWindow");
+			c_DwmGetColorizationColor = (FPDWMGETCOLORIZATIONCOLOR)GetProcAddress(c_DwmInstance, "DwmGetColorizationColor");
+			c_DwmSetWindowAttribute = (FPDWMSETWINDOWATTRIBUTE)GetProcAddress(c_DwmInstance, "DwmSetWindowAttribute");
+			c_DwmIsCompositionEnabled = (FPDWMISCOMPOSITIONENABLED)GetProcAddress(c_DwmInstance, "DwmIsCompositionEnabled");
+		}
+	}
+
 	++c_InstanceCount;
 }
 
@@ -163,6 +184,8 @@ CMeterWindow::~CMeterWindow()
 	if (m_DoubleBuffer) delete m_DoubleBuffer;
 	if (m_DIBSectionBuffer) DeleteObject(m_DIBSectionBuffer);
 
+	if (m_BlurRegion) DeleteObject(m_BlurRegion);
+
 	if (m_Window) DestroyWindow(m_Window);
 
 	if (m_FontCollection)
@@ -183,6 +206,17 @@ CMeterWindow::~CMeterWindow()
 			Sleep(100);
 			++counter;
 		} while(!Result && counter < 10);
+
+		if (c_DwmInstance)
+		{
+			FreeLibrary(c_DwmInstance);
+			c_DwmInstance = NULL;
+
+			c_DwmEnableBlurBehindWindow = NULL;
+			c_DwmGetColorizationColor = NULL;
+			c_DwmSetWindowAttribute = NULL;
+			c_DwmIsCompositionEnabled = NULL;
+		}
 	}
 }
 
@@ -271,22 +305,10 @@ int CMeterWindow::Initialize(CRainmeter& Rainmeter)
 */
 void CMeterWindow::IgnoreAeroPeek()
 {
-	typedef HRESULT (WINAPI * FPDWMSETWINDOWATTRIBUTE)(HWND hwnd, DWORD dwAttribute, LPCVOID pvAttribute, DWORD cbAttribute);
-	#define DWMWA_EXCLUDED_FROM_PEEK 12
-
-	if (CSystem::GetOSPlatform() >= OSPLATFORM_VISTA)
+	if (c_DwmSetWindowAttribute)
 	{
-		HINSTANCE h = CSystem::RmLoadLibrary(L"dwmapi.dll");
-		if (h)
-		{
-			FPDWMSETWINDOWATTRIBUTE DwmSetWindowAttribute = (FPDWMSETWINDOWATTRIBUTE)GetProcAddress(h, "DwmSetWindowAttribute");
-			if (DwmSetWindowAttribute)
-			{
-				BOOL bValue = TRUE;
-				DwmSetWindowAttribute(m_Window, DWMWA_EXCLUDED_FROM_PEEK, &bValue, sizeof(bValue));
-			}
-			FreeLibrary(h);
-		}
+		BOOL bValue = TRUE;
+		c_DwmSetWindowAttribute(m_Window, DWMWA_EXCLUDED_FROM_PEEK, &bValue, sizeof(bValue));
 	}
 }
 
@@ -346,6 +368,9 @@ void CMeterWindow::Refresh(bool init, bool all)
 
 		m_BackgroundName.erase();
 
+		if (m_BlurRegion) DeleteObject(m_BlurRegion);
+		m_BlurRegion = NULL;
+
 		if (m_FontCollection)
 		{
 			CMeterString::FreeFontCache(m_FontCollection);
@@ -411,6 +436,15 @@ void CMeterWindow::Refresh(bool init, bool all)
 		ChangeZPos(m_WindowZPosition, all);
 	}
 
+	if (m_BlurMode == BLURMODE_NONE)
+	{
+		HideBlur();
+	}
+	else
+	{
+		ShowBlur();
+	}
+
 	m_Rainmeter->SetCurrentParser(NULL);
 
 	m_Refreshing = false;
@@ -670,6 +704,28 @@ void CMeterWindow::RunBang(BANGCOMMAND bang, const WCHAR* arg)
 		}
 		break;
 
+	case BANG_SHOWBLUR:
+		ShowBlur();
+		break;
+
+	case BANG_HIDEBLUR:
+		HideBlur();
+		break;
+
+	case BANG_TOGGLEBLUR:
+		RunBang(IsBlur() ? BANG_HIDEBLUR : BANG_SHOWBLUR, arg);
+		break;
+
+	case BANG_ADDBLUR:
+		ResizeBlur(arg, RGN_OR);
+		if (IsBlur()) ShowBlur();
+		break;
+
+	case BANG_REMOVEBLUR:
+		ResizeBlur(arg, RGN_DIFF);
+		if (IsBlur()) ShowBlur();
+		break;
+
 	case BANG_TOGGLEMETER:
 		ToggleMeter(arg);
 		break;
@@ -961,6 +1017,142 @@ bool CompareName(T* m, const WCHAR* name, bool group)
 	return (group) ? m->BelongsToGroup(name) : (_wcsicmp(m->GetName(), name) == 0);
 }
 
+/*
+** ShowBlur
+**
+** Enables blurring of the window background (using Aero)
+**
+*/
+void CMeterWindow::ShowBlur()
+{
+	if (c_DwmGetColorizationColor && c_DwmIsCompositionEnabled && c_DwmEnableBlurBehindWindow)
+	{
+		SetBlur(true);
+
+		// Check that Aero and transparency is enabled
+		DWORD color;
+		BOOL opaque, enabled;
+		if (c_DwmGetColorizationColor(&color, &opaque) != S_OK)
+		{
+			opaque = TRUE;
+		}
+		if (c_DwmIsCompositionEnabled(&enabled) != S_OK)
+		{
+			enabled = FALSE;
+		}
+		if (opaque || !enabled) return;
+
+		if (m_BlurMode == BLURMODE_FULL)
+		{
+			if (m_BlurRegion) DeleteObject(m_BlurRegion);
+			m_BlurRegion = CreateRectRgn(0, 0, GetW(), GetH());
+		}
+
+		BlurBehindWindow(TRUE);
+	}
+}
+
+/*
+** HideBlur
+**
+** Disables Aero blur
+**
+*/
+void CMeterWindow::HideBlur()
+{
+	if (c_DwmEnableBlurBehindWindow)
+	{
+		SetBlur(false);
+
+		BlurBehindWindow(FALSE);
+	}
+}
+
+/*
+** ResizeBlur
+**
+** Adds to or removes from blur region
+**
+*/
+void CMeterWindow::ResizeBlur(const WCHAR* arg, int mode)
+{
+	if (CSystem::GetOSPlatform() >= OSPLATFORM_VISTA)
+	{
+		WCHAR* parseSz = _wcsdup(arg);
+		double val;
+		int type, x, y, w, h;
+
+		WCHAR* token = wcstok(parseSz, L",");
+		if (token)
+		{
+			while (token[0] == L' ') ++token;
+			type = (m_Parser.ReadFormula(token, &val) == 1) ? (int)val : _wtoi(token);
+		}
+
+		token = wcstok(NULL, L",");
+		if (token)
+		{
+			while (token[0] == L' ') ++token;
+			x = (m_Parser.ReadFormula(token, &val) == 1) ? (int)val : _wtoi(token);
+		}
+
+		token = wcstok(NULL, L",");
+		if (token)
+		{
+			while (token[0] == L' ') ++token;
+			y = (m_Parser.ReadFormula(token, &val) == 1) ? (int)val : _wtoi(token);
+		}
+
+		token = wcstok(NULL, L",");
+		if (token)
+		{
+			while (token[0] == L' ') ++token;
+			w = (m_Parser.ReadFormula(token, &val) == 1) ? (int)val : _wtoi(token);
+		}
+
+		token = wcstok(NULL, L",");
+		if (token)
+		{
+			while (token[0] == L' ') ++token;
+			h = (m_Parser.ReadFormula(token, &val) == 1) ? (int)val : _wtoi(token);
+		}
+
+		if (w && h)
+		{
+			HRGN tempRegion;
+
+			switch (type)
+			{
+			case 1:
+				tempRegion = CreateRectRgn(x, y, w, h);
+				break;
+						
+			case 2:
+				token = wcstok(NULL, L",");
+				if (token)
+				{
+					while (token[0] == L' ') ++token;
+					int r = (m_Parser.ReadFormula(token, &val) == 1) ? (int)val : _wtoi(token);
+					tempRegion = CreateRoundRectRgn(x, y, w, h, r, r);
+				}
+				break;
+
+			case 3:
+				tempRegion = CreateEllipticRgn(x, y, w, h);
+				break;
+	
+			default:  // Unknown type
+				free(parseSz);
+				return;
+			}
+
+			CombineRgn(m_BlurRegion, m_BlurRegion, tempRegion, mode);
+			DeleteObject(tempRegion);
+		}
+		free(parseSz);
+	}
+}
+
 /*
 ** ShowMeter
 **
@@ -1832,14 +2024,49 @@ bool CMeterWindow::ReadSkin()
 	m_MouseActionCursor = 0 != m_Parser.ReadInt(L"Rainmeter", L"MouseActionCursor", 1);
 	m_ToolTipHidden = 0 != m_Parser.ReadInt(L"Rainmeter", L"ToolTipHidden", 0);
 
+	if (CSystem::GetOSPlatform() >= OSPLATFORM_VISTA)
+	{
+		if (0 != m_Parser.ReadInt(L"Rainmeter", L"Blur", 0))
+		{
+			std::wstring blurRegion = m_Parser.ReadString(L"Rainmeter", L"BlurRegion", L"", false);
+
+			if (!blurRegion.empty())
+			{
+				m_BlurMode = BLURMODE_REGION;
+				m_BlurRegion = CreateRectRgn(0, 0, 0, 0);	// Create empty region
+				int i = 1;
+
+				do
+				{
+					ResizeBlur(blurRegion.c_str(), RGN_OR);
+
+					// Here we are checking to see if there are more than one blur region
+					// to be loaded. They will be named BlurRegion2, BlurRegion3, etc.
+					WCHAR tmpName[64];
+					_snwprintf_s(tmpName, _TRUNCATE, L"BlurRegion%i", ++i);
+					blurRegion = m_Parser.ReadString(L"Rainmeter", tmpName, L"");
+
+				} while (!blurRegion.empty());
+			}
+			else
+			{
+				m_BlurMode = BLURMODE_FULL;
+			}
+		}
+		else
+		{
+			m_BlurMode = BLURMODE_NONE;
+		}
+	}
+
 	// Checking for localfonts
 	std::wstring localFont = m_Parser.ReadString(L"Rainmeter", L"LocalFont", L"");
 	// If there is a local font we want to load it
 	if (!localFont.empty())
 	{
 		m_FontCollection = new PrivateFontCollection();
+		int i = 1;
 
-		int i = 2;
 		do
 		{
 			// We want to check the fonts folder first
@@ -1875,7 +2102,7 @@ bool CMeterWindow::ReadSkin()
 			// Here we are checking to see if there are more than one local font
 			// to be loaded. They will be named LocalFont2, LocalFont3, etc.
 			WCHAR tmpName[64];
-			_snwprintf_s(tmpName, _TRUNCATE, L"LocalFont%i", i++);
+			_snwprintf_s(tmpName, _TRUNCATE, L"LocalFont%i", ++i);
 			localFont = m_Parser.ReadString(L"Rainmeter", tmpName, L"");
 
 		} while (!localFont.empty());
@@ -3808,6 +4035,80 @@ LRESULT CMeterWindow::OnDestroy(UINT uMsg, WPARAM wParam, LPARAM lParam)
 	return 0;
 }
 
+/*
+** OnDwmColorChange
+**
+** Disables blur when Aero transparency is disabled
+**
+*/
+LRESULT CMeterWindow::OnDwmColorChange(UINT uMsg, WPARAM wParam, LPARAM lParam)
+{
+	if (m_BlurMode != BLURMODE_NONE && IsBlur() && c_DwmGetColorizationColor && c_DwmEnableBlurBehindWindow)
+	{
+		DWORD color;
+		BOOL opaque;
+		if (c_DwmGetColorizationColor(&color, &opaque) != S_OK)
+		{
+			opaque = TRUE;
+		}
+
+		BlurBehindWindow(!opaque);
+	}
+
+	return 0;
+}
+
+/*
+** OnDwmCompositionChange
+**
+** Disables blur when desktop composition is disabled
+**
+*/
+LRESULT CMeterWindow::OnDwmCompositionChange(UINT uMsg, WPARAM wParam, LPARAM lParam)
+{
+	if (m_BlurMode != BLURMODE_NONE && IsBlur() && c_DwmIsCompositionEnabled && c_DwmEnableBlurBehindWindow)
+	{
+		BOOL enabled;
+		if (c_DwmIsCompositionEnabled(&enabled) != S_OK)
+		{
+			enabled = FALSE;
+		}
+
+		BlurBehindWindow(enabled);
+	}
+
+	return 0;
+}
+
+/*
+** BlurBehindWindow
+**
+** Adds the blur region to the window
+**
+*/
+void CMeterWindow::BlurBehindWindow(BOOL fEnable)
+{
+	if (c_DwmEnableBlurBehindWindow)
+	{
+		DWM_BLURBEHIND bb = {0};
+		bb.fEnable = fEnable;
+
+		if (fEnable)
+		{
+			// Restore blur with whatever the region was prior to disabling
+			bb.dwFlags = DWM_BB_ENABLE | DWM_BB_BLURREGION;
+			bb.hRgnBlur = m_BlurRegion;
+			c_DwmEnableBlurBehindWindow(m_Window, &bb);
+		}
+		else
+		{
+			// Disable blur
+			bb.dwFlags = DWM_BB_ENABLE;
+			c_DwmEnableBlurBehindWindow(m_Window, &bb);
+		}
+	}
+}
+
 /*
 ** OnDisplayChange
 **
@@ -4578,6 +4879,8 @@ LRESULT CALLBACK CMeterWindow::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPAR
 	MESSAGE(OnDelayedExecute, WM_DELAYED_EXECUTE)
 	MESSAGE(OnDelayedRefresh, WM_DELAYED_REFRESH)
 	MESSAGE(OnDelayedMove, WM_DELAYED_MOVE)
+	MESSAGE(OnDwmColorChange, WM_DWMCOLORIZATIONCOLORCHANGED)
+	MESSAGE(OnDwmCompositionChange, WM_DWMCOMPOSITIONCHANGED)
 	MESSAGE(OnSettingChange, WM_SETTINGCHANGE)
 	MESSAGE(OnDisplayChange, WM_DISPLAYCHANGE)
 	END_MESSAGEPROC

Library/MeterWindow.h

@@ -22,6 +22,7 @@
 
 #include <windows.h>
 #include <gdiplus.h>
+#include <dwmapi.h>
 #include <string>
 #include <list>
 #include "ConfigParser.h"
@@ -38,6 +39,11 @@
 
 #define METERWINDOW_CLASS_NAME	L"RainmeterMeterWindow"
 
+typedef HRESULT (WINAPI * FPDWMENABLEBLURBEHINDWINDOW)(HWND hWnd, const DWM_BLURBEHIND* pBlurBehind);
+typedef HRESULT (WINAPI * FPDWMGETCOLORIZATIONCOLOR)(DWORD* pcrColorization, BOOL* pfOpaqueBlend);
+typedef HRESULT (WINAPI * FPDWMSETWINDOWATTRIBUTE)(HWND hwnd, DWORD dwAttribute, LPCVOID pvAttribute, DWORD cbAttribute);
+typedef HRESULT (WINAPI * FPDWMISCOMPOSITIONENABLED)(BOOL* pfEnabled);
+
 enum MOUSE
 {
 	MOUSE_LMB_DOWN,
@@ -69,6 +75,13 @@ enum ZPOSITION
 	ZPOSITION_ONTOPMOST = 2
 };
 
+enum BLURMODE
+{
+	BLURMODE_NONE = 0,
+	BLURMODE_FULL,
+	BLURMODE_REGION
+};
+
 enum BGMODE
 {
 	BGMODE_IMAGE = 0,
@@ -107,6 +120,11 @@ enum BANGCOMMAND
 	BANG_ENABLEMEASURE,
 	BANG_DISABLEMEASURE,
 	BANG_UPDATEMEASURE,
+	BANG_SHOWBLUR,
+	BANG_HIDEBLUR,
+	BANG_TOGGLEBLUR,
+	BANG_ADDBLUR,
+	BANG_REMOVEBLUR,
 	BANG_SHOW,
 	BANG_HIDE,
 	BANG_TOGGLE,
@@ -170,6 +188,10 @@ public:
 	void ChangeZPos(ZPOSITION zPos, bool all = false);
 	void FadeWindow(int from, int to);
 
+	void ResizeBlur(const WCHAR* arg, int mode);
+	bool IsBlur() { return m_Blur; }
+	void SetBlur(bool b) { m_Blur = b; }
+
 	Gdiplus::Bitmap* GetDoubleBuffer() { return m_DoubleBuffer; }
 	HWND GetWindow() { return m_Window; }
 
@@ -254,6 +276,8 @@ protected:
 	LRESULT OnDelayedExecute(UINT uMsg, WPARAM wParam, LPARAM lParam);
 	LRESULT OnDelayedRefresh(UINT uMsg, WPARAM wParam, LPARAM lParam);
 	LRESULT OnDelayedMove(UINT uMsg, WPARAM wParam, LPARAM lParam);
+	LRESULT OnDwmColorChange(UINT uMsg, WPARAM wParam, LPARAM lParam);
+	LRESULT OnDwmCompositionChange(UINT uMsg, WPARAM wParam, LPARAM lParam);
 	LRESULT OnSettingChange(UINT uMsg, WPARAM wParam, LPARAM lParam);
 	LRESULT OnDisplayChange(UINT uMsg, WPARAM wParam, LPARAM lParam);
 
@@ -289,9 +313,13 @@ private:
 	bool DoMoveAction(int x, int y, MOUSE mouse);
 	bool ResizeWindow(bool reset);
 	void IgnoreAeroPeek();
+	void BlurBehindWindow(BOOL fEnable);
 	void SetWindowPositionVariables(int x, int y);
 	void SetWindowSizeVariables(int w, int h);
 
+	void ShowBlur();
+	void HideBlur();
+
 	void CreateDoubleBuffer(int cx, int cy);
 
 	CConfigParser m_Parser;
@@ -374,9 +402,13 @@ private:
 	BGMODE m_BackgroundMode;					// The background mode
 	Gdiplus::Color m_SolidColor;				// Color of the solid background
 	Gdiplus::Color m_SolidColor2;				// Color of the solid background
-	Gdiplus::REAL m_SolidAngle;				// 
+	Gdiplus::REAL m_SolidAngle;					//
 	BEVELTYPE m_SolidBevel;						// The type of the bevel
 
+	bool m_Blur;								// If true, Aero blur is active
+	BLURMODE m_BlurMode;						// The blur mode
+	HRGN m_BlurRegion;							// Handle to the blur region
+
 	DWORD m_FadeStartTime;
 	int m_FadeStartValue;
 	int m_FadeEndValue;
@@ -406,6 +438,13 @@ private:
 	bool m_ToolTipHidden;
 
 	static int c_InstanceCount;
+
+	static HINSTANCE c_DwmInstance;
+
+	static FPDWMENABLEBLURBEHINDWINDOW c_DwmEnableBlurBehindWindow;
+	static FPDWMGETCOLORIZATIONCOLOR c_DwmGetColorizationColor;
+	static FPDWMSETWINDOWATTRIBUTE c_DwmSetWindowAttribute;
+	static FPDWMISCOMPOSITIONENABLED c_DwmIsCompositionEnabled;
 };
 
 #endif

Library/Rainmeter.cpp

@@ -549,6 +549,62 @@ void RainmeterToggleFade(HWND, const char* arg)
 	BangWithArgs(BANG_TOGGLEFADE, ConvertToWide(arg).c_str(), 0);
 }
 
+/*
+** RainmeterHideBlur
+**
+** Callback for the !RainmeterHideBlur bang
+**
+*/
+void RainmeterHideBlur(HWND, const char* arg)
+{
+	BangWithArgs(BANG_HIDEBLUR, ConvertToWide(arg).c_str(), 0);
+}
+
+/*
+** RainmeterShowBlur
+**
+** Callback for the !RainmeterShowBlur bang
+**
+*/
+void RainmeterShowBlur(HWND, const char* arg)
+{
+	BangWithArgs(BANG_SHOWBLUR, ConvertToWide(arg).c_str(), 0);
+}
+
+/*
+** RainmeterToggleBlur
+**
+** Callback for the !RainmeterToggleBlur bang
+**
+*/
+void RainmeterToggleBlur(HWND, const char* arg)
+{
+	BangWithArgs(BANG_TOGGLEBLUR, ConvertToWide(arg).c_str(), 0);
+}
+
+/*
+** RainmeterAddBlur
+**
+** Callback for the !RainmeterAddBlur bang
+**
+*/
+void RainmeterAddBlur(HWND, const char* arg)
+{
+	BangWithArgs(BANG_ADDBLUR, ConvertToWide(arg).c_str(), 1);
+}
+
+
+/*
+** RainmeterRemoveBlur
+**
+** Callback for the !RainmeterRemoveBlur bang
+**
+*/
+void RainmeterRemoveBlur(HWND, const char* arg)
+{
+	BangWithArgs(BANG_REMOVEBLUR, ConvertToWide(arg).c_str(), 1);
+}
+
 /*
 ** RainmeterHideMeter
 **
@@ -1941,6 +1997,11 @@ int CRainmeter::Initialize(HWND Parent, HINSTANCE Instance, LPCSTR szPath)
 		AddBangCommand("!RainmeterHideFade", RainmeterHideFade);
 		AddBangCommand("!RainmeterShowFade", RainmeterShowFade);
 		AddBangCommand("!RainmeterToggleFade", RainmeterToggleFade);
+		AddBangCommand("!RainmeterHideBlur", RainmeterHideBlur);
+		AddBangCommand("!RainmeterShowBlur", RainmeterShowBlur);
+		AddBangCommand("!RainmeterToggleBlur", RainmeterToggleBlur);
+		AddBangCommand("!RainmeterAddBlur", RainmeterAddBlur);
+		AddBangCommand("!RainmeterRemoveBlur", RainmeterRemoveBlur);
 		AddBangCommand("!RainmeterHideMeter", RainmeterHideMeter);
 		AddBangCommand("!RainmeterShowMeter", RainmeterShowMeter);
 		AddBangCommand("!RainmeterToggleMeter", RainmeterToggleMeter);
@@ -2549,6 +2610,11 @@ void CRainmeter::Quit(HINSTANCE dllInst)
 		RemoveBangCommand("!RainmeterHideFade");
 		RemoveBangCommand("!RainmeterShowFade");
 		RemoveBangCommand("!RainmeterToggleFade");
+		RemoveBangCommand("!RainmeterHideBlur");
+		RemoveBangCommand("!RainmeterShowBlur");
+		RemoveBangCommand("!RainmeterToggleBlur");
+		RemoveBangCommand("!RainmeterAddBlur");
+		RemoveBangCommand("!RainmeterRemoveBlur");
 		RemoveBangCommand("!RainmeterHideMeter");
 		RemoveBangCommand("!RainmeterShowMeter");
 		RemoveBangCommand("!RainmeterToggleMeter");
@@ -2821,6 +2887,26 @@ BOOL CRainmeter::ExecuteBang(const std::wstring& bang, const std::wstring& arg,
 	{
 		BangWithArgs(BANG_UPDATEMEASURE, arg.c_str(), 1);
 	}
+	else if (_wcsicmp(bang.c_str(), L"!RainmeterShowBlur") == 0)
+	{
+		BangWithArgs(BANG_SHOWBLUR, arg.c_str(), 0);
+	}
+	else if (_wcsicmp(bang.c_str(), L"!RainmeterHideBlur") == 0)
+	{
+		BangWithArgs(BANG_HIDEBLUR, arg.c_str(), 0);
+	}
+	else if (_wcsicmp(bang.c_str(), L"!RainmeterToggleBlur") == 0)
+	{
+		BangWithArgs(BANG_TOGGLEBLUR, arg.c_str(), 0);
+	}
+	else if (_wcsicmp(bang.c_str(), L"!RainmeterAddBlur") == 0)
+	{
+		BangWithArgs(BANG_ADDBLUR, arg.c_str(), 1);
+	}
+	else if (_wcsicmp(bang.c_str(), L"!RainmeterRemoveBlur") == 0)
+	{
+		BangWithArgs(BANG_REMOVEBLUR, arg.c_str(), 1);
+	}
 	else if (_wcsicmp(bang.c_str(), L"!RainmeterActivateConfig") == 0)
 	{
 		RainmeterActivateConfigWide(arg.c_str());

Library/Rainmeter.h

@@ -47,6 +47,11 @@ void RainmeterToggle(HWND, const char* arg);
 void RainmeterShowFade(HWND, const char* arg);
 void RainmeterHideFade(HWND, const char* arg);
 void RainmeterToggleFade(HWND, const char* arg);
+void RainmeterShowBlur(HWND, const char* arg);
+void RainmeterHideBlur(HWND, const char* arg);
+void RainmeterToggleBlur(HWND, const char* arg);
+void RainmeterAddBlur(HWND, const char* arg);
+void RainmeterRemoveBlur(HWND, const char* arg);
 void RainmeterShowMeter(HWND, const char* arg);
 void RainmeterHideMeter(HWND, const char* arg);
 void RainmeterToggleMeter(HWND, const char* arg);

Library/StdAfx.h

@@ -30,6 +30,7 @@
 #include <ws2tcpip.h>
 #include <windows.h>
 #include <gdiplus.h>
+#include <dwmapi.h>
 #include <comdef.h>
 #include <Iphlpapi.h>
 #include <commctrl.h>