load SetLayeredWindowAttributes dynamically

[SAB]


git-svn-id: svn://svn.code.sf.net/p/ditto-cp/code/trunk@150 595ec19a-5cb4-439b-94a8-42fb3063c22c

AlphaBlend.cpp

@@ -95,13 +95,36 @@ BOOL CAlphaBlend::SetOpacity(int nOpacity)
 		{
 			// update the transparency
 			ASSERT(::IsWindow(m_hWnd));
-			SetLayeredWindowAttributes(m_hWnd, 0, m_nOpacity, LWA_ALPHA);		
+			SetLayeredWindowAttributesEx(m_hWnd, 0, m_nOpacity, LWA_ALPHA);		
 		}
 		return true;
 	}
 	return false;
 }
 
+BOOL CAlphaBlend::SetLayeredWindowAttributesEx(HWND hwnd, COLORREF crKey, BYTE bAlpha, DWORD dwFlags)
+{
+	BOOL bRet = FALSE;
+	typedef BOOL (CALLBACK* fnc)(HWND, COLORREF, BYTE, DWORD);
+	HINSTANCE DLL;
+	fnc setLayeredWindowAttributes;
+	
+	DLL = LoadLibrary("user32.dll");
+	if(DLL != NULL)
+	{
+		setLayeredWindowAttributes = (fnc)GetProcAddress(DLL,"SetLayeredWindowAttributes");  
+		
+		if(setLayeredWindowAttributes) 
+		{
+			bRet = setLayeredWindowAttributes(hwnd, crKey, bAlpha, dwFlags);
+		}
+				
+		FreeLibrary(DLL);
+	}
+
+	return bRet;
+}
+
 void CAlphaBlend::SetTransparent(BOOL bTransparent)
 {
 	if (bTransparent)
@@ -118,7 +141,7 @@ void CAlphaBlend::SetTransparent(BOOL bTransparent)
 			SetWindowLong(m_hWnd, GWL_EXSTYLE, l);
 		}
 
-		SetLayeredWindowAttributes(m_hWnd, 0, m_nOpacity, LWA_ALPHA);
+		SetLayeredWindowAttributesEx(m_hWnd, 0, m_nOpacity, LWA_ALPHA);
 
 		CRect r;
 		::GetWindowRect(m_hWnd, r);
@@ -144,8 +167,10 @@ void CAlphaBlend::SetTransparent(BOOL bTransparent)
 BOOL CAlphaBlend::SetTransparent(HWND hWnd, int nOpacity, BOOL bTransparent)
 {
 	// set members
-	if (!SetWindowHandle(hWnd)) return false;
-	if (!SetOpacity(nOpacity)) return false;
+	if (!SetWindowHandle(hWnd)) 
+		return false;
+	if (!SetOpacity(nOpacity)) 
+		return false;
 
 	SetTransparent(bTransparent);
 

AlphaBlend.h

@@ -65,6 +65,8 @@ protected:
 	HWND m_hWnd;
 
 	BOOL m_bTransparent;
+
+	BOOL SetLayeredWindowAttributesEx(HWND hwnd, COLORREF crKey, BYTE bAlpha, DWORD dwFlags);
 };
 
 #endif // !defined(AFX_ALPHABLEND_H__B453CE58_5571_48B4_BD84_3BB70D6A41A3__INCLUDED_)

CP_Main.dsp

@@ -4,7 +4,7 @@
 
 # TARGTYPE "Win32 (x86) Application" 0x0101
 
-CFG=CP_Main - Win32 Pre 2000 Debug
+CFG=CP_MAIN - WIN32 DEBUG
 !MESSAGE This is not a valid makefile. To build this project using NMAKE,
 !MESSAGE use the Export Makefile command and run
 !MESSAGE 
@@ -13,14 +13,12 @@ CFG=CP_Main - Win32 Pre 2000 Debug
 !MESSAGE You can specify a configuration when running NMAKE
 !MESSAGE by defining the macro CFG on the command line. For example:
 !MESSAGE 
-!MESSAGE NMAKE /f "CP_Main.mak" CFG="CP_Main - Win32 Pre 2000 Debug"
+!MESSAGE NMAKE /f "CP_Main.mak" CFG="CP_MAIN - WIN32 DEBUG"
 !MESSAGE 
 !MESSAGE Possible choices for configuration are:
 !MESSAGE 
 !MESSAGE "CP_Main - Win32 Release" (based on "Win32 (x86) Application")
 !MESSAGE "CP_Main - Win32 Debug" (based on "Win32 (x86) Application")
-!MESSAGE "CP_Main - Win32 Pre 2000 Release" (based on "Win32 (x86) Application")
-!MESSAGE "CP_Main - Win32 Pre 2000 Debug" (based on "Win32 (x86) Application")
 !MESSAGE 
 
 # Begin Project
@@ -83,68 +81,12 @@ LINK32=link.exe
 # ADD BASE LINK32 /nologo /subsystem:windows /debug /machine:I386 /pdbtype:sept
 # ADD LINK32 ws2_32.lib kernel32.lib user32.lib gdi32.lib winspool.lib /nologo /subsystem:windows /debug /machine:I386 /out:"Debug/Ditto.exe" /pdbtype:sept
 
-!ELSEIF  "$(CFG)" == "CP_Main - Win32 Pre 2000 Release"
-
-# PROP BASE Use_MFC 6
-# PROP BASE Use_Debug_Libraries 0
-# PROP BASE Output_Dir "CP_Main___Win32_Pre_2000_Release"
-# PROP BASE Intermediate_Dir "CP_Main___Win32_Pre_2000_Release"
-# PROP BASE Ignore_Export_Lib 0
-# PROP BASE Target_Dir ""
-# PROP Use_MFC 6
-# PROP Use_Debug_Libraries 0
-# PROP Output_Dir "CP_Main___Win32_Pre_2000_Release"
-# PROP Intermediate_Dir "CP_Main___Win32_Pre_2000_Release"
-# PROP Ignore_Export_Lib 0
-# PROP Target_Dir ""
-# ADD BASE CPP /nologo /MD /W3 /GX /O2 /I "..\CP_Database" /I "..\CP_GUI" /I "..\Controls" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_AFXDLL" /D "_MBCS" /Yu"stdafx.h" /FD /c
-# ADD CPP /nologo /MD /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_AFXDLL" /D "_MBCS" /FAs /Yu"stdafx.h" /FD /c
-# ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32
-# ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32
-# ADD BASE RSC /l 0x409 /d "NDEBUG" /d "_AFXDLL"
-# ADD RSC /l 0x409 /d "NDEBUG" /d "_AFXDLL"
-BSC32=bscmake.exe
-# ADD BASE BSC32 /nologo
-# ADD BSC32 /nologo
-LINK32=link.exe
-# ADD BASE LINK32 /nologo /subsystem:windows /machine:I386 /out:"Release/Ditto.exe"
-# ADD LINK32 ws2_32.lib kernel32.lib user32.lib gdi32.lib winspool.lib /nologo /subsystem:windows /map /debug /machine:I386 /out:"Release/Ditto98.exe" /libpath:"focusdll\Release"
-
-!ELSEIF  "$(CFG)" == "CP_Main - Win32 Pre 2000 Debug"
-
-# PROP BASE Use_MFC 6
-# PROP BASE Use_Debug_Libraries 1
-# PROP BASE Output_Dir "CP_Main___Win32_Pre_2000_Debug"
-# PROP BASE Intermediate_Dir "CP_Main___Win32_Pre_2000_Debug"
-# PROP BASE Ignore_Export_Lib 0
-# PROP BASE Target_Dir ""
-# PROP Use_MFC 6
-# PROP Use_Debug_Libraries 1
-# PROP Output_Dir "CP_Main___Win32_Pre_2000_Debug"
-# PROP Intermediate_Dir "CP_Main___Win32_Pre_2000_Debug"
-# PROP Ignore_Export_Lib 0
-# PROP Target_Dir ""
-# ADD BASE CPP /nologo /MDd /W3 /Gm /GX /ZI /Od /I "..\CP_Database" /I "..\CP_GUI" /I "..\Controls" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_AFXDLL" /D "_MBCS" /Yu"stdafx.h" /FD /GZ /c
-# ADD CPP /nologo /MDd /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_AFXDLL" /D "_MBCS" /Yu"stdafx.h" /FD /GZ /c
-# ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32
-# ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32
-# ADD BASE RSC /l 0x409 /d "_DEBUG" /d "_AFXDLL"
-# ADD RSC /l 0x409 /d "_DEBUG" /d "_AFXDLL"
-BSC32=bscmake.exe
-# ADD BASE BSC32 /nologo
-# ADD BSC32 /nologo
-LINK32=link.exe
-# ADD BASE LINK32 /nologo /subsystem:windows /debug /machine:I386 /out:"Debug/Ditto.exe" /pdbtype:sept
-# ADD LINK32 ws2_32.lib kernel32.lib user32.lib gdi32.lib winspool.lib /nologo /subsystem:windows /debug /machine:I386 /out:"Debug/Ditto_Pre2000.exe" /pdbtype:sept /libpath:"focusdll\Release"
-
 !ENDIF 
 
 # Begin Target
 
 # Name "CP_Main - Win32 Release"
 # Name "CP_Main - Win32 Debug"
-# Name "CP_Main - Win32 Pre 2000 Release"
-# Name "CP_Main - Win32 Pre 2000 Debug"
 # Begin Group "Source Files"
 
 # PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
@@ -154,40 +96,10 @@ LINK32=link.exe
 # Begin Source File
 
 SOURCE=.\AlphaBlend.cpp
-
-!IF  "$(CFG)" == "CP_Main - Win32 Release"
-
-!ELSEIF  "$(CFG)" == "CP_Main - Win32 Debug"
-
-!ELSEIF  "$(CFG)" == "CP_Main - Win32 Pre 2000 Release"
-
-# PROP Exclude_From_Build 1
-
-!ELSEIF  "$(CFG)" == "CP_Main - Win32 Pre 2000 Debug"
-
-# PROP Exclude_From_Build 1
-
-!ENDIF 
-
 # End Source File
 # Begin Source File
 
 SOURCE=.\AlphaBlend.h
-
-!IF  "$(CFG)" == "CP_Main - Win32 Release"
-
-!ELSEIF  "$(CFG)" == "CP_Main - Win32 Debug"
-
-!ELSEIF  "$(CFG)" == "CP_Main - Win32 Pre 2000 Release"
-
-# PROP Exclude_From_Build 1
-
-!ELSEIF  "$(CFG)" == "CP_Main - Win32 Pre 2000 Debug"
-
-# PROP Exclude_From_Build 1
-
-!ENDIF 
-
 # End Source File
 # Begin Source File
 

Misc.cpp

@@ -3,9 +3,8 @@
 #include "Misc.h"
 #include "OptionsSheet.h"
 
-#ifdef AFTER_98
 #include "AlphaBlend.h"
-#endif
+
 
 // Debug Functions
 

QPasteWnd.h

@@ -12,10 +12,7 @@
 #include "WndEx.h"
 #include "GroupStatic.h"
 #include "GroupTree.h"
-
-#ifdef AFTER_98
-	#include "AlphaBlend.h"
-#endif
+#include "AlphaBlend.h"
 
 
 /////////////////////////////////////////////////////////////////////////////