private void LevelView_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
m_fJustSelected = false;
m_ptMouseDown = ViewToWorld(new Point(e.X - AutoScrollPosition.X, e.Y - AutoScrollPosition.Y));
// Select / clear items
IMapItem mi = m_lvld.HitTest(m_ptMouseDown.X, m_ptMouseDown.Y, GetTileSize(), GetTemplateDoc(), m_lyrf);
if (e.Button == MouseButtons.Left)
{
if (mi == null)
{
// Clear selection
m_lvld.Selection = new ArrayList();
Globals.PropertyGrid.SelectedObject = null;
m_ptDragSelectAnchor.X = m_ptMouseDown.X;
m_ptDragSelectAnchor.Y = m_ptMouseDown.Y;
m_rcDragSelect = new Rectangle(m_ptDragSelectAnchor, new Size(0, 0));
m_fDragSelect = true;
}
else
{
m_rcDragStart.X = m_ptMouseDown.X - 5;
m_rcDragStart.Y = m_ptMouseDown.Y - 5;
m_rcDragStart.Width = 10;
m_rcDragStart.Height = 10;
// Add to selection. Extend if control is down
ArrayList alsmiSelected = m_lvld.Selection;
if (!alsmiSelected.Contains(mi))
{
if ((Control.ModifierKeys & Keys.Control) != Keys.Control)
{
alsmiSelected.Clear();
}
alsmiSelected.Add(mi);
Globals.PropertyGrid.SelectedObjects = (IMapItem[])alsmiSelected.ToArray(typeof(IMapItem));
m_fJustSelected = true;
m_lvld.Selection = alsmiSelected;
}
if (mi.OnMouseDown(e, m_ptMouseDown, GetTileSize(), GetTemplateDoc()))
{
m_miCapturedMouse = mi;
}
}
Redraw();
}
else if (e.Button == MouseButtons.Right)
{
if (mi != null)
{
// If this is not already selected, then clear selection and add this
if (!m_lvld.Selection.Contains(mi))
{
ArrayList als = new ArrayList();
als.Add(mi);
m_lvld.Selection = als;
Globals.PropertyGrid.SelectedObject = mi;
Redraw();
}
if (mi.OnMouseDown(e, m_ptMouseDown, GetTileSize(), GetTemplateDoc()))
{
m_miCapturedMouse = mi;
return;
}
m_miContextMenu = mi;
m_contextMenu.Show(this, new Point(e.X, e.Y));
}
}
}
