DolphinWX: Clean up some wxTimer code

Technically fixes a memory leak (which wouldn't matter because the timer is only created once and destroyed on shutdown).

Also starting and stopping the timer does not cause leaks.

Source/Core/DolphinWX/Frame.cpp

@@ -508,15 +508,13 @@ CFrame::CFrame(wxFrame* parent,
 	// check if game is running
 	m_bHotkeysInit = InitControllers();
 
-	m_poll_hotkey_timer = new wxTimer(this);
+	m_poll_hotkey_timer.SetOwner(this);
 	Bind(wxEVT_TIMER, &CFrame::PollHotkeys, this);
-	m_poll_hotkey_timer->Start(1000 / 60, wxTIMER_CONTINUOUS);
+	m_poll_hotkey_timer.Start(1000 / 60, wxTIMER_CONTINUOUS);
 }
 // Destructor
 CFrame::~CFrame()
 {
-	m_poll_hotkey_timer->Stop();
-
 	if (m_bHotkeysInit)
 	{
 		Wiimote::Shutdown();

Source/Core/DolphinWX/Frame.h

@@ -18,6 +18,7 @@
 #include <wx/mstream.h>
 #include <wx/panel.h>
 #include <wx/string.h>
+#include <wx/timer.h>
 #include <wx/toplevel.h>
 #include <wx/windowid.h>
 
@@ -47,8 +48,6 @@ class wxAuiNotebook;
 class wxAuiNotebookEvent;
 class wxListEvent;
 class wxMenuItem;
-class wxTimer;
-class wxTimerEvent;
 class wxWindow;
 
 class CRenderFrame : public wxFrame
@@ -198,7 +197,7 @@ private:
 		EToolbar_Max
 	};
 
-	wxTimer* m_poll_hotkey_timer;
+	wxTimer m_poll_hotkey_timer;
 
 	wxBitmap m_Bitmaps[EToolbar_Max];
 	wxBitmap m_BitmapsMenu[EToolbar_Max];

Source/Core/DolphinWX/LogWindow.cpp

@@ -45,7 +45,7 @@ CLogWindow::CLogWindow(CFrame *parent, wxWindowID id, const wxPoint& pos,
 		const wxSize& size, long style, const wxString& name)
 	: wxPanel(parent, id, pos, size, style, name)
 	, x(0), y(0), winpos(0)
-	, Parent(parent), m_ignoreLogTimer(false), m_LogAccess(true)
+	, Parent(parent), m_LogAccess(true)
 	, m_Log(nullptr), m_cmdline(nullptr), m_FontChoice(nullptr)
 {
 	Bind(wxEVT_CLOSE_WINDOW, &CLogWindow::OnClose, this);
@@ -55,8 +55,8 @@ CLogWindow::CLogWindow(CFrame *parent, wxWindowID id, const wxPoint& pos,
 
 	CreateGUIControls();
 
-	m_LogTimer = new wxTimer(this);
-	m_LogTimer->Start(UPDATETIME);
+	m_LogTimer.SetOwner(this);
+	m_LogTimer.Start(UPDATETIME);
 }
 
 void CLogWindow::CreateGUIControls()
@@ -177,8 +177,6 @@ CLogWindow::~CLogWindow()
 	{
 		m_LogManager->RemoveListener((LogTypes::LOG_TYPE)i, this);
 	}
-	m_LogTimer->Stop();
-	delete m_LogTimer;
 }
 
 void CLogWindow::OnClose(wxCloseEvent& event)
@@ -287,7 +285,7 @@ void CLogWindow::OnWrapLineCheck(wxCommandEvent& event)
 
 void CLogWindow::OnLogTimer(wxTimerEvent& WXUNUSED(event))
 {
-	if (!m_LogAccess || m_ignoreLogTimer)
+	if (!m_LogAccess)
 		return;
 
 	UpdateLog();
@@ -302,13 +300,10 @@ void CLogWindow::OnLogTimer(wxTimerEvent& WXUNUSED(event))
 
 void CLogWindow::UpdateLog()
 {
-	if (!m_LogAccess || !m_Log)
+	if (!m_LogAccess || !m_Log || msgQueue.empty())
 		return;
 
-	// m_LogTimer->Stop();
-	// instead of stopping the timer, let's simply ignore its calls during UpdateLog,
-	// because repeatedly stopping and starting a timer churns memory (and potentially leaks it).
-	m_ignoreLogTimer = true;
+	m_LogTimer.Stop();
 
 	std::lock_guard<std::mutex> lk(m_LogSection);
 	while (!msgQueue.empty())
@@ -351,7 +346,7 @@ void CLogWindow::UpdateLog()
 		msgQueue.pop();
 	}
 
-	m_ignoreLogTimer = false;
+	m_LogTimer.Start();
 }
 
 void CLogWindow::Log(LogTypes::LOG_LEVELS level, const char *text)

Source/Core/DolphinWX/LogWindow.h

@@ -14,6 +14,7 @@
 #include <wx/gdicmn.h>
 #include <wx/panel.h>
 #include <wx/string.h>
+#include <wx/timer.h>
 #include <wx/translation.h>
 #include <wx/windowid.h>
 
@@ -25,8 +26,6 @@ class wxBoxSizer;
 class wxCheckBox;
 class wxChoice;
 class wxTextCtrl;
-class wxTimer;
-class wxTimerEvent;
 
 // Uses multiple inheritance - only sane because LogListener is a pure virtual interface.
 class CLogWindow : public wxPanel, LogListener
@@ -50,8 +49,7 @@ private:
 	CFrame* Parent;
 	wxFont DefaultFont, MonoSpaceFont;
 	std::vector<wxFont> LogFont;
-	wxTimer* m_LogTimer;
-	bool m_ignoreLogTimer;
+	wxTimer m_LogTimer;
 	LogManager* m_LogManager;
 	std::queue<std::pair<u8, wxString> > msgQueue;
 	bool m_writeFile, m_writeWindow, m_writeDebugger, m_LogAccess;