Fix three small focus issues

Fix #8419, close #8420

PowerEditor/src/Notepad_plus_Window.cpp

@@ -253,6 +253,7 @@ void Notepad_plus_Window::init(HINSTANCE hInst, HWND parent, const TCHAR *cmdLin
 		// of the last session from config.xml.
 		::SendMessage(_hSelf, WM_COMMAND, IDM_VIEW_PROJECT_PANEL_1, 0);
 	}
+	::SendMessage(_hSelf, WM_ACTIVATE, WA_ACTIVE, 0);
 
 	// Notify plugins that Notepad++ is ready
 	SCNotification scnN;

PowerEditor/src/WinControls/DockingWnd/DockingCont.cpp

@@ -1185,6 +1185,7 @@ void DockingCont::showToolbar(tTbData* pTbData, BOOL state)
 int DockingCont::hideToolbar(tTbData *pTbData, BOOL hideClient)
 {
 	int iItem = searchPosInTab(pTbData);
+	BOOL hadFocus = ::IsChild (pTbData->hClient, ::GetFocus());
 
 	// delete item
 	if (TRUE == ::SendMessage(_hContTab, TCM_DELETEITEM, iItem, 0))
@@ -1218,6 +1219,9 @@ int DockingCont::hideToolbar(tTbData *pTbData, BOOL hideClient)
 			{
 				::SendMessage(_hParent, WM_SIZE, 0, 0);
 			}
+			// set focus to current edit window if the docking window had focus
+			if (hadFocus)
+				::PostMessage(::GetParent(_hParent), WM_ACTIVATE, WA_ACTIVE, 0);
 		}
 
 		// keep sure, that client is hide!!!

PowerEditor/src/WinControls/DockingWnd/DockingManager.cpp

@@ -361,8 +361,6 @@ LRESULT DockingManager::runProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM l
 		{
 			tTbData	TbData	= *(reinterpret_cast<DockingCont*>(lParam))->getDataOfActiveTb();
 			LRESULT res = SendNotify(TbData.hClient, DMN_CLOSE);	// Be sure the active item is OK with closing
-			if (res == 0)	// Item will be closing?
-				::PostMessage(_hParent, WM_ACTIVATE, WA_ACTIVE, 0);	// Tell editor to take back focus
 			return res;
 		}
 		case DMM_FLOATALL: