/* tool drag - drop event , when left mouse down */
private void module_drag_MouseDown(object sender, MouseEventArgs e)
{
/*
* Make my life easier, don't ask why ?
*/
GroupBox module_sel = sender as GroupBox;
/*
* check if mouse click is left mouse,
* are you going to drag this tool by right mouse ?
* Really ?
*/
if (e.Button == MouseButtons.Left)
{
isDragged = true;
drag_Loc = module_sel.Location;
Point ptStartPosition = module_sel.PointToScreen(new Point(e.X, e.Y));
ptOffset = new Point();
ptOffset.X = module_sel.Location.X - ptStartPosition.X;
ptOffset.Y = module_sel.Location.Y - ptStartPosition.Y;
}
else
{
isDragged = false; // Is it not obvious why ?
}
}
public SetupControl()
{
// This call is required by the Windows.Forms Form Designer.
InitializeComponent();
// TODO: Add any initialization after the InitializeComponent call
_oPopup.StartPosition = FormStartPosition.Manual;
_oPopup.Location = grpSimulation.PointToScreen(new Point(0, 0));
txtEnd.TextChanged += UpdateConfig;
txtMaxSteps.TextChanged += UpdateConfig;
txtNumBifurcationsToTrack.TextChanged += UpdateConfig;
txtStart.TextChanged += UpdateConfig;
radBackward.CheckedChanged += UpdateConfig;
radForward.CheckedChanged += UpdateConfig;
}
/* tool drag - drop event , when dragging */
private void module_drag_MouseMove(object sender, MouseEventArgs e)
{
/*
* Make my life easier, don't ask why ?
*/
GroupBox module_sel = sender as GroupBox;
/*
* this is where magic happen, relocate the
* tool according to the location of the mouse
*/
if (isDragged)
{
Point newPoint = module_sel.PointToScreen(new Point(e.X, e.Y));
newPoint.Offset(ptOffset);
module_sel.Location = newPoint;
}
}
//把相对与control控件的坐标，转换成相对于窗体的坐标。
private Point getPointToForm(Point p)
{
return(this.PointToClient(grp.PointToScreen(p)));
}