From 27d1e03d7bdf8fcfe7292c06e40bc3e2fca9158e Mon Sep 17 00:00:00 2001
From: Denis Oliver Kropp <dok@directfb.org>
Date: Tue, 19 Oct 2010 15:56:15 +0200
Subject: pluggit

---
 src/videodrivercheck.cpp | 154 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 154 insertions(+)
 create mode 100644 src/videodrivercheck.cpp

(limited to 'src/videodrivercheck.cpp')

diff --git a/src/videodrivercheck.cpp b/src/videodrivercheck.cpp
new file mode 100644
index 0000000..93a407f
--- /dev/null
+++ b/src/videodrivercheck.cpp
@@ -0,0 +1,154 @@
+#include <windows.h>
+#include <stdlib.h>
+//#include "vncOSVersion.h"
+
+typedef BOOL (WINAPI* pEnumDisplayDevices)(PVOID,DWORD,PVOID,DWORD);
+
+/*bool CheckDriver2(void)
+{
+	SC_HANDLE       schMaster;
+	SC_HANDLE       schSlave;
+
+	schMaster = OpenSCManager (NULL, NULL, SC_MANAGER_ALL_ACCESS); 
+
+    schSlave = OpenService (schMaster, "vnccom", SERVICE_ALL_ACCESS);
+
+    if (schSlave == NULL) 
+    {
+     CloseServiceHandle(schMaster);
+	 return false;
+    }
+	else
+	{
+		CloseServiceHandle (schSlave);
+		CloseServiceHandle(schMaster);
+		return true;
+	}
+}*/
+
+
+///////////////////////////////////////////////////////////////////
+BOOL GetDllProductVersion(char* dllName, char *vBuffer, int size)
+{
+   char *versionInfo;
+   void *lpBuffer;
+   unsigned int cBytes;
+   DWORD rBuffer;
+
+   if( !dllName || !vBuffer )
+      return(FALSE);
+
+//   DWORD sName = GetModuleFileName(NULL, fileName, sizeof(fileName));
+// FYI only
+   DWORD sVersion = GetFileVersionInfoSize(dllName, &rBuffer);
+   if (sVersion==0) return (FALSE);
+   versionInfo = new char[sVersion];
+
+   BOOL resultVersion = GetFileVersionInfo(dllName,
+                                           NULL,
+                                           sVersion,
+                                           versionInfo);
+
+   BOOL resultValue = VerQueryValue(versionInfo,  
+
+TEXT("\\StringFileInfo\\040904b0\\ProductVersion"), 
+                                    &lpBuffer, 
+                                    &cBytes);
+
+   if( !resultValue )
+   {
+	   resultValue = VerQueryValue(versionInfo,TEXT("\\StringFileInfo\\000004b0\\ProductVersion"), 
+                                    &lpBuffer, 
+                                    &cBytes);
+
+   }
+
+   if( resultValue )
+   {
+      strncpy(vBuffer, (char *) lpBuffer, size);
+      delete versionInfo;
+      return(TRUE);
+   }
+   else
+   {
+      *vBuffer = '\0';
+      delete versionInfo;
+      return(FALSE);
+   }
+}
+
+///////////////////////////////////////////////////////////////////
+
+bool
+CheckVideoDriver(bool Box)
+{
+		typedef BOOL (WINAPI* pEnumDisplayDevices)(PVOID,DWORD,PVOID,DWORD);
+		HDC m_hrootdc=NULL;
+		pEnumDisplayDevices pd;
+		static const char* driverName = "mv video hook driver2";
+		BOOL DriverFound;
+		DEVMODE devmode;
+		FillMemory(&devmode, sizeof(DEVMODE), 0);
+		devmode.dmSize = sizeof(DEVMODE);
+		devmode.dmDriverExtra = 0;
+		BOOL change = EnumDisplaySettings(NULL,ENUM_CURRENT_SETTINGS,&devmode);
+		devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
+		HMODULE hUser32=LoadLibrary("USER32");
+		pd = (pEnumDisplayDevices)GetProcAddress( hUser32, "EnumDisplayDevicesA");
+		if (pd)
+			{
+				LPSTR deviceName=NULL;
+				DISPLAY_DEVICE dd;
+				ZeroMemory(&dd, sizeof(dd));
+				dd.cb = sizeof(dd);
+				devmode.dmDeviceName[0] = '\0';
+				INT devNum = 0;
+				BOOL result;
+				DriverFound=false;
+				while (result = (*pd)(NULL,devNum, &dd,0))
+				{
+					if (strcmp((const char *)&dd.DeviceString[0], driverName) == 0)
+					{
+					DriverFound=true;
+					break;
+					}
+					devNum++;
+				}
+				if (DriverFound)
+				{
+					if (hUser32) FreeLibrary(hUser32);
+					if(Box)
+					{
+						char buf[512];
+						GetDllProductVersion((char*)"mv2.dll",buf,512);
+						if (dd.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP)
+						{
+							strcat(buf," driver Active");
+							HDC testdc=NULL;
+							deviceName = (LPSTR)&dd.DeviceName[0];
+							testdc = CreateDC("DISPLAY",deviceName,NULL,NULL);	
+							if (testdc)
+							{
+								DeleteDC(testdc);
+								strcat(buf," access ok");
+							}
+							else
+							{
+								strcat(buf," access denied, permission problem");
+							}
+						}
+						else
+							strcat(buf," driver Not Active");
+						    
+						MessageBox(NULL,buf,"driver info: required version 1.22",0);
+					}
+					return true;
+				//deviceName = (LPSTR)&dd.DeviceName[0];
+				//m_hrootdc = CreateDC("DISPLAY",deviceName,NULL,NULL);	
+				//if (m_hrootdc) DeleteDC(m_hrootdc);
+				}
+				else if(Box) MessageBox(NULL,"Driver not found: Perhaps you need to reboot after install","driver info: required version 1.22",0);
+			}
+	if (hUser32) FreeLibrary(hUser32);	
+	return false;
+}
-- 
cgit