private void GestureParser_GestureCaptured(Gesture gesture)
{
if (gesture.Count() == 0 && gesture.Modifier == GestureModifier.None) return;
Debug.WriteLine("GestureCaptured: " + gesture);
var formerMnemonic = lb_mnemonic.Text;
CapturedGesture = gesture;
//if (_intent != null)
{
var found = _app.Find(gesture);
if (found != null && (found != _intent))
{
lb_errMsg.Text = "相同手势(" + found.Name + ")已存在，点击‘保存’会将其替代";
flowAlert.Visible = true;
}
else
{
flowAlert.Visible = false;
}
}
lb_mnemonic.Text = gesture.ToString();
if (formerMnemonic == tb_gestureName.Text|| string.IsNullOrEmpty(tb_gestureName.Text))
{
tb_gestureName.Text = lb_mnemonic.Text;
tb_gestureName.SelectAll();
tb_gestureName.Focus();
}
else
{
btnOk.Focus();
}
btnOk.Enabled = true;
}
private void PathTrackerOnPathStart(PathEventArgs args)
{
//初始化
_effectiveIntent = null;
_pointCount = 1;
_gesture = new Gesture(args.Context.GestureButton);
_lastPoint = args.Location;
}
/// <summary>
/// 当处于捕获模式，用户手势结束的时候发生。如果注册GestureCaptured Handler的时候捕获的SynchronizationContext不为null（比如Gui线程），
/// 则在其SynchronizationContext文中执行。
/// </summary>
/// <param name="gesture"></param>
protected void OnGestureCaptured(Gesture gesture)
{
lock (@lock)
{
if (_gestureCapturedEventHandlerContexts.Count == 0) return;
foreach (var kv in _gestureCapturedEventHandlerContexts)
{
var syncContext = kv.Value;
var handler = kv.Key;
if (syncContext == null)
{
handler(gesture);
}
else
{
syncContext.Post(s => handler(gesture), null);
}
}
}
}
private void HandleGestureRecorded(Gesture g)
{
if (!ShowPath && !ShowCommandName) return;
Debug.WriteLine("WhenGestureCaptured");
EndView();
}
//todo: 合并为IntentRecogChanged?
private void HandleIntentInvalid(Gesture gesture)
{
if (!ShowPath && !ShowCommandName) return;
Debug.WriteLine("IntentInvalid");
//pre
if (ShowCommandName)
{
HideLabel();
}
if (_isCurrentRecognized && ShowPath)
{
_pathPen = _alternativePen;
_isCurrentRecognized = false;
_recognizeStateChanged = true;
//ResetPathDirtyRect();
}
//draw
DrawAndUpdate();
//clear
if (ShowCommandName)
{
_labelRect = default(Rectangle);
_labelChanged = false;
}
}
