- checked filename's validation before sending drag info

- refactored duplicated write to drop dir code
- removed legacy member variables
- fixed code style
- fixed typo

src/lib/platform/MSWindowsScreen.cpp

@@ -1873,7 +1873,12 @@ CMSWindowsScreen::getDraggingFilename()
 		ShowWindow(m_dropWindow, SW_HIDE);
 
 		if (!filename.empty()) {
-			m_draggingFilename = filename;
+			if (CDragInformation::isFileValid(filename)) {
+				m_draggingFilename = filename;
+			}
+			else {
+				LOG((CLOG_DEBUG "drag file name is invalid: %s", filename.c_str()));
+			}
 		}
 
 		if (m_draggingFilename.empty()) {

src/lib/platform/OSXDragSimulator.m

@@ -82,7 +82,7 @@ fakeDragging(const char* str, int cursorX, int cursorY)
 		
 	[g_dragWindow setFrame:rect display:NO];
 	[g_dragWindow makeKeyAndOrderFront:nil];
-		[NSApp activateIgnoringOtherApps:YES];
+	[NSApp activateIgnoringOtherApps:YES];
 	
 	[g_dragView setFileExt:g_ext];
 

src/lib/platform/OSXScreen.cpp

@@ -911,12 +911,6 @@ COSXScreen::leave()
 		CString& fileList = getDraggingFilename();
 		
 		if (!m_isPrimary) {
-			// TODO: is this duplicated?
-			// fake esc key down and up
-			fakeKeyDown(kKeyEscape, 8192, 1);
-			fakeKeyUp(1);
-			fakeMouseButton(kButtonLeft, false);
-			
 			if (fileList.empty() == false) {
 				CClientApp& app = CClientApp::instance();
 				CClient* client = app.getClientPtr();