DolphinQt: Handle the Host_UpdateTitle callback.

Source/Core/DolphinQt/DolphinQt.vcxproj

@@ -172,6 +172,7 @@
     <ClInclude Include="GameList\GameGrid.h" />
     <ClInclude Include="GameList\GameTracker.h" />
     <ClInclude Include="GameList\GameTree.h" />
+    <ClInclude Include="Host.h" />
     <ClInclude Include="Utils\Resources.h" />
     <ClInclude Include="Utils\Utils.h" />
     <ClInclude Include="VideoInterface\RenderWidget.h" />

Source/Core/DolphinQt/DolphinQt.vcxproj.filters

@@ -83,6 +83,7 @@
     </Filter>
   </ItemGroup>
   <ItemGroup>
+    <ClInclude Include="Host.h" />
     <ClInclude Include="Utils\Resources.h">
       <Filter>Utils</Filter>
     </ClInclude>

Source/Core/DolphinQt/Host.cpp

@@ -10,8 +10,15 @@
 #include "Common/MsgHandler.h"
 #include "Core/Host.h"
 
+#include "DolphinQt/Host.h"
 #include "DolphinQt/MainWindow.h"
 
+HostTitleEvent::HostTitleEvent(const std::string& title)
+	: QEvent((QEvent::Type)HostEvent::TitleEvent),
+	m_title(title)
+{
+}
+
 void Host_Message(int id)
 {
 	// TODO
@@ -24,7 +31,7 @@ void Host_UpdateMainFrame()
 
 void Host_UpdateTitle(const std::string& title)
 {
-	// TODO
+	qApp->postEvent(g_main_window, new HostTitleEvent(title));
 }
 
 void* Host_GetRenderHandle()

Source/Core/DolphinQt/Host.h

@@ -0,0 +1,19 @@
+// Copyright 2015 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <QEvent>
+#include <string>
+
+enum HostEvent {
+	TitleEvent = QEvent::User + 1,
+};
+
+class HostTitleEvent final : public QEvent
+{
+public:
+	HostTitleEvent(const std::string& title);
+	const std::string m_title;
+};

Source/Core/DolphinQt/MainWindow.cpp

@@ -17,6 +17,7 @@
 #include "Core/HW/ProcessorInterface.h"
 
 #include "DolphinQt/AboutDialog.h"
+#include "DolphinQt/Host.h"
 #include "DolphinQt/MainWindow.h"
 #include "DolphinQt/SystemInfo.h"
 #include "DolphinQt/Utils/Resources.h"
@@ -114,6 +115,17 @@ DMainWindow::~DMainWindow()
 {
 }
 
+bool DMainWindow::event(QEvent* e)
+{
+	if (e->type() == HostEvent::TitleEvent)
+	{
+		HostTitleEvent* htev = (HostTitleEvent*)e;
+		m_ui->statusbar->showMessage(QString::fromStdString(htev->m_title), 1500);
+		return true;
+	}
+	return QMainWindow::event(e);
+}
+
 void DMainWindow::closeEvent(QCloseEvent* ce)
 {
 	if (!OnStop())

Source/Core/DolphinQt/MainWindow.h

@@ -54,7 +54,8 @@ private slots:
 	void UpdateIcons();
 
 private:
-	void closeEvent(QCloseEvent* ce);
+	bool event(QEvent* e) override;
+	void closeEvent(QCloseEvent* ce) override;
 	std::unique_ptr<Ui::DMainWindow> m_ui;
 	DGameTracker* m_game_tracker;