public bool PreFilterMessage(ref Message m)
{
if (m.Msg == WM_KEYDOWN)
{
Keys keyCode = (Keys)(int)m.WParam & Keys.KeyCode;
if (keyCode == Keys.ControlKey)
{
if (!ctrlDown && dragged != null && IsDocked(dragged))
{
ToolBarDockArea docked = GetDockedArea(dragged);
docked.SuspendLayout();
dragged.Parent = dragged.FloatForm;
dragged.Location = new Point(0, 0);
dragged.DockStyle = DockStyle.None;
dragged.FloatForm.Visible = true;
dragged.FloatForm.Location = new Point(Control.MousePosition.X - ptOffset.X, Control.MousePosition.Y - 8);
dragged.FloatForm.Size = dragged.Size;
docked.ResumeLayout();
docked.PerformLayout();
}
ctrlDown = true;
}
}
else if (m.Msg == WM_KEYUP)
{
Keys keyCode = (Keys)(int)m.WParam & Keys.KeyCode;
if (keyCode == Keys.ControlKey)
{
if (ctrlDown && dragged != null && !IsDocked(dragged))
{
ToolBarDockArea closest = GetClosestArea(Control.MousePosition, dragged.PreferredDockedArea);
if (closest != null)
{
closest.SuspendLayout();
Point newLoc = closest.PointToClient(Control.MousePosition);
dragged.DockStyle = closest.Dock;
dragged.Parent = closest;
dragged.PreferredDockedLocation = newLoc;
dragged.FloatForm.Visible = false;
dragged.PreferredDockedArea = closest;
closest.ResumeLayout();
closest.PerformLayout();
}
}
ctrlDown = false;
}
}
return(false);
}
private void ToolBarMouseMove(object sender, MouseEventArgs e)
{
Point ptPos = new Point(e.X, e.Y);
if (dragged != null)
{
Point ptDelta = new Point(ptStart.X - Control.MousePosition.X, ptStart.Y - Control.MousePosition.Y);
Point newLoc = dragged.PointToScreen(new Point(0, 0));
newLoc = new Point(newLoc.X - ptDelta.X, newLoc.Y - ptDelta.Y);
ToolBarDockArea closest = GetClosestArea(Control.MousePosition, dragged.PreferredDockedArea);
// Added by mav
if (closest != null && !dragged.IsAllowed(closest.Dock))
{
closest = null;
}
ToolBarDockArea docked = GetDockedArea(dragged);
if (ctrlDown)
{
closest = null;
}
if (docked != null)
{
if (closest == null)
{
docked.SuspendLayout();
dragged.Parent = dragged.FloatForm;
dragged.Location = new Point(0, 0);
dragged.DockStyle = DockStyle.None;
dragged.FloatForm.Visible = true;
dragged.FloatForm.Location = new Point(Control.MousePosition.X - ptOffset.X, Control.MousePosition.Y - 8);
dragged.FloatForm.Size = dragged.Size;
docked.ResumeLayout();
docked.PerformLayout();
}
else if (closest != docked)
{
closest.SuspendLayout();
newLoc = closest.PointToClient(Control.MousePosition);
dragged.DockStyle = closest.Dock;
dragged.Parent = closest;
dragged.PreferredDockedLocation = newLoc;
dragged.FloatForm.Visible = false;
dragged.PreferredDockedArea = closest;
closest.ResumeLayout();
closest.PerformLayout();
}
else
{
closest.SuspendLayout();
newLoc = closest.PointToClient(Control.MousePosition);
// if(closest.Horizontal)
// newLoc = new Point(newLoc.X - 4, newLoc.Y - dragged.Height/2);
// else
// newLoc = new Point(newLoc.X - dragged.Width/2, newLoc.Y - 4);
dragged.PreferredDockedLocation = newLoc;
closest.ResumeLayout();
closest.PerformLayout();
}
}
else
{
if (closest == null)
{
dragged.FloatForm.Location = newLoc;
}
else
{
closest.SuspendLayout();
newLoc = closest.PointToClient(Control.MousePosition);
dragged.DockStyle = closest.Dock;
dragged.Parent = closest;
dragged.PreferredDockedLocation = newLoc;
dragged.FloatForm.Visible = false;
dragged.PreferredDockedArea = closest;
closest.ResumeLayout();
closest.PerformLayout();
}
}
ptStart = Control.MousePosition;
}
}