private void SafeClear()
{
if (txtInput.InvokeRequired)
{
var d = new NoParamDelegate(SafeClear);
txtInput.Invoke(d, new object[] { });
}
else
{
console.ClearOutput();
}
}
private void SafeStyleEditor()
{
if (console.InvokeRequired)
{
var d = new NoParamDelegate(SafeStyleEditor);
console.Invoke(d, new object[] { });
}
else
{
editor_StyleNeeded(null, null);
}
}
private void SafeShowInput()
{
if (txtInput.InvokeRequired)
{
var d = new NoParamDelegate(SafeShowInput);
txtInput.Invoke(d, new object[] { });
}
else
{
txtInput.Show();
txtInput.Focus();
}
}
public new void Close()
{
// may be called from a destructor which may be executed
// in another thread...
if (InvokeRequired)
{
NoParamDelegate del = new NoParamDelegate(Close);
Invoke(del);
return;
}
Hide();
base.Close();
}
internal void SetDelegates(NoParamDelegate go, FindFirstCharDelegate firstChar, NoParamDelegate trackCount)
{
goMethod = go;
findFirstCharMethod = firstChar;
initTrackCountMethod = trackCount;
}
private Semaphore threadMutex = new Semaphore(1, 1); //Ensure that only one operation is started at the same time
//private event NoParamDelegate ThreadNotStarted; // This event is signaled if a background thread couldn't be started because another one is runniung
private void SpawnThread(NoParamDelegate action, bool showPendingError = true, int wait = 500)
{
Thread t = new Thread(
new ThreadStart(
delegate()
{
if (threadMutex.WaitOne(wait))
{
try
{
Gtk.Application.Invoke (delegate {
replyStatusbar.Pop(1);
ShowConnectIcon();
});
action();
}
catch (MonoBrickException e){
Gtk.Application.Invoke (delegate {
if(e is MonoBrickException)
ShowWarningIcon();
else
ShowErrorIcon();
replyStatusbar.Pop(1);
replyStatusbar.Push(1,e.Message);
});
if(e is ConnectionException)
brick.Connection.Close();
}
catch(Exception e){
Gtk.Application.Invoke (delegate {
MessageDialog md = new MessageDialog (this, DialogFlags.Modal, MessageType.Error, ButtonsType.Close, "\n" + e.Message);
md.Icon = global::Gdk.Pixbuf.LoadFromResource (MessageDialogIconName);
md.Run ();
md.WindowPosition = Gtk.WindowPosition.CenterOnParent;
md.Destroy();
});
}
finally
{
threadMutex.Release();
}
}
else
{
if(showPendingError){
Gtk.Application.Invoke (delegate {
MessageDialog md = new MessageDialog (this, DialogFlags.Modal, MessageType.Error, ButtonsType.Close, "\nUnable to send command to NXT.\nAnother command is pending");
md.Icon = global::Gdk.Pixbuf.LoadFromResource (MessageDialogIconName);
md.WindowPosition = Gtk.WindowPosition.CenterOnParent;
md.Run ();
md.Destroy();
});
}
}
}
));
t.IsBackground = true;
t.Priority = ThreadPriority.AboveNormal;
t.Start();
}
internal void SetDelegates(NoParamDelegate go, FindFirstCharDelegate firstChar, NoParamDelegate trackCount) {
goMethod = go;
findFirstCharMethod = firstChar;
initTrackCountMethod = trackCount;
}
private Semaphore threadMutex = new Semaphore(1, 1); //Ensure that only one operation is started at the same time
//private event NoParamDelegate ThreadNotStarted; // This event is signaled if a background thread couldn't be started because another one is runniung
private void SpawnThread(NoParamDelegate action, bool showPendingError = true, int wait = 500)
{
Thread t = new Thread(
new ThreadStart(
delegate()
{
if (threadMutex.WaitOne(wait))
{
try
{
Gtk.Application.Invoke(delegate {
replyStatusbar.Pop(1);
ShowConnectIcon();
});
action();
}
catch (MonoBrickException e) {
Gtk.Application.Invoke(delegate {
if (e is MonoBrickException)
{
ShowWarningIcon();
}
else
{
ShowErrorIcon();
}
replyStatusbar.Pop(1);
replyStatusbar.Push(1, e.Message);
});
if (e is ConnectionException)
{
brick.Connection.Close();
}
}
catch (Exception e) {
Gtk.Application.Invoke(delegate {
MessageDialog md = new MessageDialog(this, DialogFlags.Modal, MessageType.Error, ButtonsType.Close, "\n" + e.Message);
md.Icon = global::Gdk.Pixbuf.LoadFromResource(MessageDialogIconName);
md.Run();
md.WindowPosition = Gtk.WindowPosition.CenterOnParent;
md.Destroy();
});
}
finally
{
threadMutex.Release();
}
}
else
{
if (showPendingError)
{
Gtk.Application.Invoke(delegate {
MessageDialog md = new MessageDialog(this, DialogFlags.Modal, MessageType.Error, ButtonsType.Close, "\nUnable to send command to NXT.\nAnother command is pending");
md.Icon = global::Gdk.Pixbuf.LoadFromResource(MessageDialogIconName);
md.WindowPosition = Gtk.WindowPosition.CenterOnParent;
md.Run();
md.Destroy();
});
}
}
}
));
t.IsBackground = true;
t.Priority = ThreadPriority.AboveNormal;
t.Start();
}
