public static bool ShowReconnectDialog(Gtk.Window parent)
{
Trace.Call(parent);
Gtk.MessageDialog md = new Gtk.MessageDialog(parent,
Gtk.DialogFlags.Modal, Gtk.MessageType.Error,
Gtk.ButtonsType.OkCancel, _("The frontend has lost the connection to the server.\nDo you want to reconnect now?"));
Gtk.ResponseType res = (Gtk.ResponseType)md.Run();
md.Destroy();
if (res != Gtk.ResponseType.Ok)
{
Quit();
return(false);
}
while (true)
{
try {
Frontend.ReconnectEngineToGUI();
// yay, we made it
_InReconnectHandler = false;
break;
} catch (Exception e) {
#if LOG4NET
_Logger.Error("ShowReconnectDialog(): Reconnect failed, exception:", e);
#endif
var msg = _("Reconnecting to the server has failed.\nDo you want to try again?");
// the parent window is hidden (MainWindow) at this
// point thus modal doesn't make sense here
md = new Gtk.MessageDialog(parent,
Gtk.DialogFlags.DestroyWithParent,
Gtk.MessageType.Error,
Gtk.ButtonsType.OkCancel, msg);
md.SetPosition(Gtk.WindowPosition.CenterAlways);
res = (Gtk.ResponseType)md.Run();
md.Destroy();
if (res != Gtk.ResponseType.Ok)
{
// give up
Quit();
return(false);
}
}
}
return(true);
}
public static bool ShowReconnectDialog(Gtk.Window parent)
{
Trace.Call(parent);
Gtk.MessageDialog md = new Gtk.MessageDialog(parent,
Gtk.DialogFlags.Modal, Gtk.MessageType.Error,
Gtk.ButtonsType.OkCancel, _("The frontend has lost the connection to the server.\nDo you want to reconnect now?"));
Gtk.ResponseType res = (Gtk.ResponseType) md.Run();
md.Destroy();
if (res != Gtk.ResponseType.Ok) {
Quit();
return false;
}
while (true) {
try {
Frontend.ReconnectEngineToGUI();
// yay, we made it
_InReconnectHandler = false;
break;
} catch (Exception e) {
#if LOG4NET
_Logger.Error("ShowReconnectDialog(): Reconnect failed, exception:", e);
#endif
var msg = _("Reconnecting to the server has failed.\nDo you want to try again?");
// the parent window is hidden (MainWindow) at this
// point thus modal doesn't make sense here
md = new Gtk.MessageDialog(parent,
Gtk.DialogFlags.DestroyWithParent,
Gtk.MessageType.Error,
Gtk.ButtonsType.OkCancel, msg);
md.SetPosition(Gtk.WindowPosition.CenterAlways);
res = (Gtk.ResponseType) md.Run();
md.Destroy();
if (res != Gtk.ResponseType.Ok) {
// give up
Quit();
return false;
}
}
}
return true;
}
public static void ShowException(Gtk.Window parent, Exception ex)
{
Trace.Call(parent, ex != null ? ex.GetType() : null);
if (parent == null) {
parent = _MainWindow;
}
if (!IsGuiThread()) {
Gtk.Application.Invoke(delegate {
ShowException(parent, ex);
});
return;
}
#if LOG4NET
_Logger.Error("ShowException(): Exception:", ex);
#endif
// HACK: ugly MS .NET throws underlaying SocketException instead of
// wrapping those into a nice RemotingException, see:
// http://projects.qnetp.net/issues/show/232
if (ex is System.Runtime.Remoting.RemotingException ||
ex is System.Net.Sockets.SocketException) {
if (_InReconnectHandler || _InCrashHandler) {
// one reconnect is good enough and a crash we won't survive
return;
}
_InReconnectHandler = true;
Gtk.MessageDialog md = new Gtk.MessageDialog(parent,
Gtk.DialogFlags.Modal, Gtk.MessageType.Error,
Gtk.ButtonsType.OkCancel, _("The frontend has lost the connection to the server.\nDo you want to reconnect now?"));
Gtk.ResponseType res = (Gtk.ResponseType) md.Run();
md.Destroy();
if (res == Gtk.ResponseType.Ok) {
while (true) {
try {
Frontend.ReconnectEngineToGUI();
// yay, we made it
_InReconnectHandler = false;
break;
} catch (Exception e) {
#if LOG4NET
_Logger.Error("ShowException(): Reconnect failed, exception:", e);
#endif
var msg = _("Reconnecting to the server has failed.\nDo you want to try again?");
// the parent window is hidden (MainWindow) at this
// point thus modal doesn't make sense here
md = new Gtk.MessageDialog(parent,
Gtk.DialogFlags.DestroyWithParent,
Gtk.MessageType.Error,
Gtk.ButtonsType.OkCancel, msg);
md.SetPosition(Gtk.WindowPosition.CenterAlways);
res = (Gtk.ResponseType) md.Run();
md.Destroy();
if (res != Gtk.ResponseType.Ok) {
// give up
Quit();
return;
}
}
}
return;
}
Quit();
return;
}
if (_InCrashHandler) {
// only show not more than one crash dialog, else the user
// will not be able to copy/paste the stack trace and stuff
return;
}
_InCrashHandler = true;
CrashDialog cd = new CrashDialog(parent, ex);
cd.Run();
cd.Destroy();
if (SysDiag.Debugger.IsAttached) {
// allow the debugger to examine the situation
//SysDiag.Debugger.Break();
// HACK: Break() would be nicer but crashes the runtime
throw ex;
}
Quit();
}
