public ToolBox()
{
miShrink.Anchor = AnchorStyles.Left | AnchorStyles.Right;
miFill.Anchor = AnchorStyles.Left | AnchorStyles.Right;
miLock.Anchor = AnchorStyles.Left | AnchorStyles.Right;
this.Items.Add(miShrink);
this.Items.Add(miFill);
this.Items.Add(miLock);
this.DropShadowEnabled = false;
this.BackColor = Color.Transparent;
this.Padding = new Padding(0, 2, 1, 2); // remove extra left pixel on left side
miFill.Click += delegate {
FlowLayoutPanel2 host = (FlowLayoutPanel2)Current.Parent;
foreach (Control c in host.Controls)
{
if (c is Control2)
{
Control2 c2 = (Control2)c;
if (!c2.isLocked)
{
c2.dh = 0;
}
}
}
Current.lastClicked = DateTime.Now;
bool origLocked = Current.isLocked;
Current.isLocked = false;
host.UpdateDeltaHeights();
Current.isLocked = origLocked;
host.PerformLayout();
};
miShrink.Click += delegate {
Current.dh = 0;
Current.lastClicked = DateTime.MinValue;
FlowLayoutPanel2 host = (FlowLayoutPanel2)Current.Parent;
bool origLocked = Current.isLocked;
Current.isLocked = true;
host.UpdateDeltaHeights();
Current.isLocked = origLocked;
host.PerformLayout();
};
miLock.Click += delegate {
Current.isLocked = !Current.isLocked;
FlowLayoutPanel2 host = (FlowLayoutPanel2)Current.Parent;
host.UpdateDeltaHeights();
host.PerformLayout();
};
}
public override Size GetPreferredSize(Size proposedSize)
{
if (!cb.Checked)
{
return(Size.Empty);
}
Size s = c.GetPreferredSize(proposedSize);
var pd = this.Padding;
FlowLayoutPanel2 p = (FlowLayoutPanel2)this.Parent;
s.Width += pd.Left + pd.Right;
s.Height += pd.Top + pd.Bottom + (p.addDH ? dh : 0);
return(s);
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
FlowLayoutPanel2 p = (FlowLayoutPanel2)this.Parent;
Accordion acc = (Accordion)p.Parent;
if (!acc.AllowMouseResize)
{
return;
}
// PerformLayout causes the control to move which triggers a MouseMove
// even though the mouse didn't move. Thus, the absolute location is
// used to determine if the mouse actually moved. There is probably a
// better way to handle the resizing.
Point pt = this.PointToScreen(e.Location);
if (oldPoint == pt)
{
return;
}
oldPoint = pt;
if (isGrabbing)
{
int dy = pt.Y - grabPoint.Y;
dh = Math.Max(0, dhOrig + dy);
p.UpdateDeltaHeights();
p.PerformLayout();
resetLocked = false;
}
else
{
int by = this.Height - e.Y;
if (by < this.Padding.Bottom)
{
this.Cursor = cursorResize;
}
else
{
this.Cursor = this.DefaultCursor;
}
}
}
public override Size GetPreferredSize(Size proposedSize)
{
if (!cb.Checked)
{
return(Size.Empty);
}
Size s = c.GetPreferredSize(proposedSize);
var p = this.Padding;
s.Width += p.Left + p.Right;
s.Height += p.Top + p.Bottom + dh;
FlowLayoutPanel2 p2 = (FlowLayoutPanel2)this.Parent;
if (flag || !fillHeight || p2.isAdjusting)
{
return(s);
}
foreach (Control cc in p2.Controls)
{
if (cc is Control2)
{
if (((Control2)cc).lastClicked > this.lastClicked)
{
return(s);
}
}
}
flag = true;
var r = p2.GetPreferredSize(proposedSize);
int h1 = p2.Height;
dh = Math.Max(h1 - r.Height, 0);
flag = false;
s.Height += dh;
return(s);
}