private void OnCursorTokenChanged(object sender, EventArgs e)
{
if (_tileController == null)
{
return;
}
if (_tileController.CursorToken == null)
{
this.Cursor = this.DefaultCursor;
if (_currentCursorWrapper != null)
{
_currentCursorWrapper.Dispose();
_currentCursorWrapper = null;
}
}
else
{
try
{
CursorWrapper oldCursorWrapper = _currentCursorWrapper;
_currentCursorWrapper = CursorFactory.CreateCursor(_tileController.CursorToken);
this.Cursor = _currentCursorWrapper.Cursor;
if (oldCursorWrapper != null)
{
oldCursorWrapper.Dispose();
}
}
catch (Exception exception)
{
Platform.Log(LogLevel.Error, exception);
this.Cursor = this.DefaultCursor;
_currentCursorWrapper = null;
}
}
}
/// <summary>
/// 項目ラベルマウス移動時の処理
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnItemLabelMouseMove(object sender, MouseEventArgs e)
{
// ドラッグアンドドロップが無効ならば何もしない
if (!AllowDragDrop)
{
return;
}
// ドラッグ中でなければ何もしない
if (_dragPoint == Point.Empty)
{
return;
}
Label label = sender as Label;
if (label == null)
{
return;
}
// ドラッグ判定サイズを超えていなければ何もしない
Size dragSize = SystemInformation.DragSize;
Rectangle dragRect = new Rectangle(_dragPoint.X - dragSize.Width / 2, _dragPoint.Y - dragSize.Height / 2,
dragSize.Width, dragSize.Height);
if (dragRect.Contains(label.Left + e.X, label.Top + e.Y))
{
return;
}
TechLabelInfo info = label.Tag as TechLabelInfo;
if (info == null)
{
return;
}
// カーソル画像を作成する
Bitmap bitmap = new Bitmap(label.Width, label.Height);
bitmap.MakeTransparent(bitmap.GetPixel(0, 0));
label.DrawToBitmap(bitmap, new Rectangle(0, 0, label.Width, label.Height));
if (info.Item is TechItem)
{
_dragCursor = CursorFactory.CreateCursor(bitmap, _techLabelMask, _dragPoint.X - label.Left,
_dragPoint.Y - label.Top);
}
else if (info.Item is TechLabel)
{
_dragCursor = CursorFactory.CreateCursor(bitmap, _dragPoint.X - label.Left,
_dragPoint.Y - label.Top);
}
else
{
_dragCursor = CursorFactory.CreateCursor(bitmap, _eventLabelMask, _dragPoint.X - label.Left,
_dragPoint.Y - label.Top);
}
// ドラッグアンドドロップを開始する
label.DoDragDrop(sender, DragDropEffects.Move);
// ドラッグ状態を解除する
_dragPoint = Point.Empty;
_dragCursor.Dispose();
bitmap.Dispose();
}