- improved string conversion by using ms comutil.

- removed dead member variable.
- extra logging to help debug file drop on windows.

CMakeLists.txt

@@ -180,7 +180,7 @@ if (UNIX)
 			${lib_Carbon}
 		)
 
-	else()
+	else() # not-apple
 
 		# add include dir for bsd (posix uses /usr/include/)
 		set(CMAKE_INCLUDE_PATH "${CMAKE_INCLUDE_PATH}:/usr/local/include")
@@ -284,9 +284,9 @@ if (UNIX)
 		add_definitions(-DWINAPI_XWINDOWS=1)
 	endif()
 
-else (UNIX)
+else() # not-unix
 
-	list(APPEND libs Wtsapi32 Userenv Wininet)
+	list(APPEND libs Wtsapi32 Userenv Wininet comsuppw)
 
 	add_definitions(
 		/DWIN32

src/lib/client/CClient.cpp

@@ -737,11 +737,15 @@ CClient::onFileRecieveCompleted()
 void
 CClient::writeToDropDirThread(void*)
 {
+	LOG((CLOG_DEBUG "starting write to drop dir thread"));
+
 	while (m_screen->getFakeDraggingStarted()) {
 		ARCH->sleep(.1f);
 	}
 	
 	m_fileTransferDes = m_screen->getDropTarget();
+	LOG((CLOG_DEBUG "dropping file, files=%i target=%s", m_dragFileList.size(), m_fileTransferDes.c_str()));
+
 	if (!m_fileTransferDes.empty() && m_dragFileList.size() > 0) {
 		std::fstream file;
 		CString dropTarget = m_fileTransferDes;

src/lib/platform/CMSWindowsScreen.cpp

@@ -43,6 +43,7 @@
 #include <string.h>
 #include <pbt.h>
 #include <Shlobj.h>
+#include <comutil.h>
 
 //
 // add backwards compatible multihead support (and suppress bogus warning).
@@ -147,10 +148,11 @@ CMSWindowsScreen::CMSWindowsScreen(
 		LOG((CLOG_DEBUG "screen shape: %d,%d %dx%d %s", m_x, m_y, m_w, m_h, m_multimon ? "(multi-monitor)" : ""));
 		LOG((CLOG_DEBUG "window is 0x%08x", m_window));
 
-		char desktopPath[MAX_PATH];
-		SHGetFolderPath(NULL, CSIDL_DESKTOP, NULL, 0, desktopPath);
-		m_desktopPath = CString(desktopPath);
-		LOG((CLOG_DEBUG "temporarily use desktop directory for drop target: %s", m_desktopPath.c_str()));
+		wchar_t* desktopPath = 0;
+		SHGetKnownFolderPath(FOLDERID_Desktop, 0, NULL, &desktopPath);
+		m_desktopPath = _bstr_t(desktopPath);
+		CoTaskMemFree(static_cast<void*>(desktopPath));
+		LOG((CLOG_DEBUG "using desktop for drop target: %s", m_desktopPath.c_str()));
 	}
 	catch (...) {
 		delete m_keyState;

src/lib/server/CServer.cpp

@@ -1988,11 +1988,15 @@ CServer::onFileRecieveCompleted()
 void
 CServer::writeToDropDirThread(void*)
 {
+	LOG((CLOG_DEBUG "starting write to drop dir thread"));
+
 	while (m_screen->getFakeDraggingStarted()) {
 		ARCH->sleep(.1f);
 	}
 
 	m_fileTransferDes = m_screen->getDropTarget();
+	LOG((CLOG_DEBUG "dropping file, files=%i target=%s", m_dragFileList.size(), m_fileTransferDes.c_str()));
+
 	if (!m_fileTransferDes.empty() && m_dragFileList.size() > 0) {
 		std::fstream file;
 		CString dropTarget = m_fileTransferDes;

src/lib/synwinxt/CDataHandlerExtension.cpp

@@ -17,12 +17,13 @@
 
 #include "CDataHandlerExtension.h"
 #include <Shlwapi.h>
-#include <strsafe.h>
+#include <comutil.h>
+#include <string>
 
 extern LONG g_refCount;
 extern GUID g_CLSID;
-extern void setDraggingFilename(char*);
-extern void outputDebugStringF(const char *str, ...);
+extern void setDraggingFilename(const char* str);
+extern void outputDebugStringF(const char* str, ...);
 
 CDataHandlerExtension::CDataHandlerExtension() :
 	m_refCount(1)
@@ -86,10 +87,8 @@ CDataHandlerExtension::Load(__RPC__in LPCOLESTR pszFileName, DWORD dwMode)
 {
 	outputDebugStringF("synwinxt: > CDataHandlerExtension::Load\n");
 	
-	char selectedFilename[MAX_PATH];
-	StringCchCopyW(m_selectedFilename, ARRAYSIZE(m_selectedFilename), pszFileName);
-	WideCharToMultiByte(CP_ACP, 0, m_selectedFilename, -1, selectedFilename, MAX_PATH, NULL, NULL);
-	setDraggingFilename(selectedFilename);
+	std::string fileName = _bstr_t(pszFileName);
+	setDraggingFilename(fileName.c_str());
 	
 	outputDebugStringF("synwinxt: < CDataHandlerExtension::Load\n");
 	return S_OK;

src/lib/synwinxt/CDataHandlerExtension.h

@@ -53,5 +53,4 @@ public:
 
 private:
 	LONG m_refCount;
-	WCHAR m_selectedFilename[MAX_PATH];
 };

src/lib/synwinxt/synwinxt.cpp

@@ -282,7 +282,7 @@ unregisterShellExtDataHandler(CHAR* fileType, const CLSID& clsid)
 }
 
 void
-setDraggingFilename(char* filename)
+setDraggingFilename(const char* filename)
 {
 	outputDebugStringF("synwinxt: > setDraggingFilename, filename=%s\n", filename);
 	memcpy(g_draggingFilename, filename, MAX_PATH);