private void DoLayout()
{
int layoutWidth = LayoutWidth;
if (Root == null || layoutWidth <= 0 || m_lastLayoutWidth == layoutWidth)
{
return;
}
using (var gm = new GraphicsManager(this, null))
{
Root.Layout(LayoutArg(gm));
}
m_lastLayoutWidth = layoutWidth;
//SetScrollRange(Root.Width, Root.Height);
Invalidate();
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
Focus();
if (Root == null || m_lastLayoutWidth == 0)
{
return;
}
using (var gm = new GraphicsManager(this))
{
var sel = m_root.Selection;
m_root.OnMouseMove(e, ModifierKeys, gm.VwGraphics, PaintArg(gm.VwGraphics));
if (sel != m_root.Selection)
{
Update(); // need to show the updated selection before we process more movements to get continuous drag effect.
}
}
}
LayoutInfo LayoutArg(GraphicsManager gm)
{
var dpiX = (int) Math.Round(gm.DpiX);
var dpiY = (int) Math.Round(gm.DpiY);
return new LayoutInfo(Indent, TopMargin, dpiX, dpiY, ClientSize.Width - Indent*2, gm.VwGraphics, RendererFactory);
}
protected override void OnDragDrop(DragEventArgs drgevent)
{
// I don't think we need to support the DragDrop event, apart from our own implementation of it.
//base.OnDragDrop(drgevent);
using (var gm = new GraphicsManager(this))
{
var location = PointToClient(new Point(drgevent.X, drgevent.Y));
Root.OnDragDrop(drgevent, location, gm.VwGraphics, PaintArg(gm.VwGraphics));
}
}
protected override void OnMouseClick(MouseEventArgs e)
{
base.OnMouseClick(e);
Focus();
if (Root == null || m_lastLayoutWidth == 0)
return;
using (var gm = new GraphicsManager(this))
{
Root.OnMouseClick(e, ModifierKeys, gm.VwGraphics, PaintArg(gm.VwGraphics));
}
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
Focus();
if (Root == null || m_lastLayoutWidth == 0)
return;
using (var gm = new GraphicsManager(this))
{
var sel = m_root.Selection;
m_root.OnMouseMove(e, ModifierKeys, gm.VwGraphics, PaintArg(gm.VwGraphics));
if (sel != m_root.Selection)
Update(); // need to show the updated selection before we process more movements to get continuous drag effect.
}
}
private void DoLayout()
{
int layoutWidth = LayoutWidth;
if (Root == null || layoutWidth <= 0 || m_lastLayoutWidth == layoutWidth)
return;
using (var gm = new GraphicsManager(this, null))
{
Root.Layout(LayoutArg(gm));
}
m_lastLayoutWidth = layoutWidth;
//SetScrollRange(Root.Width, Root.Height);
Invalidate();
}
private void ScrollToShowSelection()
{
if (m_root == null)
return;
using (var gm = new GraphicsManager(this))
{
int dx, dy;
Root.ScrollToShowSelection(gm.VwGraphics, PaintArg(gm.VwGraphics), ClientRectangle, out dx, out dy);
ScrollBy(dx, dy);
}
}
protected override void OnPaint(PaintEventArgs e)
{
if (Root == null || m_lastLayoutWidth == 0)
return;
using (var gm = new GraphicsManager(this, e.Graphics))
{
Root.Paint(gm.VwGraphics, PaintArg(gm.VwGraphics));
}
}