Add "Check for updates" Feature

This patch adds a check for updates feature.

It connects to http://subsurface.hohndel.org/updatecheck.html to check for
any new versions. It then prompts the user with a download link if an
update is available.

Signed-off-by: Joseph W. Joshua <joejoshw@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/qt-ui/mainwindow.h b/qt-ui/mainwindow.h
index a0c5be333..f47ade861 100644
--- a/qt-ui/mainwindow.h
+++ b/qt-ui/mainwindow.h
@@ -28,6 +28,7 @@ class MainTab;
 class ProfileGraphicsView;
 class QWebView;
 class QSettings;
+class UpdateManager;
 
 enum MainWindowTitleFormat {
 	MWTF_DEFAULT,
@@ -121,6 +122,7 @@ slots:
 	void on_actionAboutSubsurface_triggered();
 	void on_actionUserManual_triggered();
 	void on_actionDivePlanner_triggered();
+	void on_action_Check_for_Updates_triggered();
 
 	void current_dive_changed(int divenr);
 	void initialUiSetup();
@@ -171,6 +173,7 @@ private:
 	QString lastUsedDir();
 	void updateLastUsedDir(const QString &s);
 	bool filesAsArguments;
+	UpdateManager *updateManager;
 };
 
 MainWindow *mainWindow();