Windows: Reduce focus juggling on game start.

Previously, we would activate the debugger (if enabled), and then
reactivate the main window.  This meant if you switched to something,
PPSSPP would demand focus once the game loaded.

Windows/Debugger/Debugger_Disasm.cpp

@@ -848,14 +848,14 @@ void CDisasm::SetDebugMode(bool _bDebug, bool switchPC)
 	}
 }
 
-void CDisasm::Show(bool bShow) {
+void CDisasm::Show(bool bShow, bool includeToTop) {
 	if (deferredSymbolFill_ && bShow) {
 		if (g_symbolMap) {
 			g_symbolMap->FillSymbolListBox(GetDlgItem(m_hDlg, IDC_FUNCTIONLIST), ST_FUNCTION);
 			deferredSymbolFill_ = false;
 		}
 	}
-	Dialog::Show(bShow);
+	Dialog::Show(bShow, includeToTop);
 }
 
 void CDisasm::NotifyMapLoaded() {

Windows/Debugger/Debugger_Disasm.h

@@ -49,7 +49,7 @@ public:
 	CDisasm(HINSTANCE _hInstance, HWND _hParent, DebugInterface *cpu);
 	~CDisasm();
 
-	void Show(bool bShow) override;
+	void Show(bool bShow, bool includeToTop = true) override;
 
 	void Update() override {
 		UpdateDialog(true);

Windows/MainWindow.cpp

@@ -540,7 +540,7 @@ namespace MainWindow
 	void CreateDebugWindows() {
 		disasmWindow = new CDisasm(MainWindow::GetHInstance(), MainWindow::GetHWND(), currentDebugMIPS);
 		DialogManager::AddDlg(disasmWindow);
-		disasmWindow->Show(g_Config.bShowDebuggerOnLoad);
+		disasmWindow->Show(g_Config.bShowDebuggerOnLoad, false);
 
 #if PPSSPP_API(ANY_GL)
 		geDebuggerWindow = new CGEDebugger(MainWindow::GetHInstance(), MainWindow::GetHWND());
@@ -935,8 +935,6 @@ namespace MainWindow
 
 			if (disasmWindow)
 				disasmWindow->UpdateDialog();
-
-			SetForegroundWindow(hwndMain);
 			break;
 
 		case WM_USER_SAVESTATE_FINISH:

Windows/W32Util/DialogManager.cpp

@@ -30,11 +30,16 @@ void Dialog::Destroy()
 	DestroyWindow(m_hDlg);
 }
 
-void Dialog::Show(bool _bShow)
+void Dialog::Show(bool _bShow, bool includeToTop)
 {
-	m_bShowState = _bShow ? SW_NORMAL : SW_HIDE;
+	if (_bShow && includeToTop)
+		m_bShowState = SW_SHOWNORMAL;
+	else if (_bShow)
+		m_bShowState = SW_SHOWNOACTIVATE;
+	else
+		m_bShowState = SW_HIDE;
 	ShowWindow(m_hDlg, m_bShowState);
-	if (_bShow)
+	if (_bShow && includeToTop)
 		BringWindowToTop(m_hDlg);
 }
 

Windows/W32Util/DialogManager.h

@@ -8,7 +8,7 @@ public:
 	Dialog(LPCSTR res, HINSTANCE _hInstance, HWND _hParent);
 	virtual ~Dialog();
 
-	virtual void Show(bool _bShow);
+	virtual void Show(bool _bShow, bool includeToTop = true);
 	virtual void Update() {}
 
 	HWND GetDlgHandle() {