void mTabs_MouseMove(object sender, MouseEventArgs e)
{
if (e.Button == System.Windows.Forms.MouseButtons.Left && mTabs.SelectedTab != null)
{
if (mouseListening)
{
if (e.Y >= 0 && e.Y <= mTabs.ItemSize.Height && e.X >= 0 && e.X <= mTabs.Width)
{
// Work out tab the mouse is actually pointing at.
Graphics g = mTabs.CreateGraphics();
int start = 0;
mouseSelected = 0;
for (int i = 0; i < mTabs.TabPages.Count; i++)
{
SizeF sf = g.MeasureString(mTabs.TabPages[i].Text, mTabs.TabPages[i].Font);
int width = Math.Max((int)sf.Width + 4, 45);
start += width;
mouseSelected = i;
if (start >= e.X)
{
break;
}
}
g.Dispose();
}
else
{
// If we leave the form, then pop out the tab into its own window.
Point screen = mTabs.PointToScreen(e.Location);
Point form = mTabs.TopLevelControl.PointToScreen(e.Location);
Point outside = new Point(screen.X - form.X + e.X, screen.Y - form.Y + e.Y);
if (outside.X < -5 || outside.Y < -20 || outside.X > mTabs.TopLevelControl.Width || outside.Y > mTabs.TopLevelControl.Height)
{
mouseListening = false;
mTabs.Cursor = Cursors.Default;
popOutTab();
}
}
}
}
}