public EDGlassForm(System.Diagnostics.Process follow)
{
this.Opacity = 1.0; // Tweak as desired
this.FormBorderStyle = FormBorderStyle.None;
this.BackColor = Color.Black;
this.ControlBox = false;
this.ShowInTaskbar = false;
this.StartPosition = FormStartPosition.Manual;
this.AutoScaleMode = AutoScaleMode.None;
this.ClientSize = new Size(100, 100);
this.DoubleBuffered = true;
this.Name = "EDMC Overlay Window";
this.Text = this.Name;
this.TopMost = true;
this.TransparencyKey = Color.Black;
int initialStyle = WindowUtils.GetWindowLong(this.Handle, WindowUtils.GWL_EXSTYLE);
// makes window click-trough
WindowUtils.SetWindowLong(this.Handle, WindowUtils.GWL_EXSTYLE,
initialStyle | WindowUtils.WS_EX_LAYERED | WindowUtils.WS_EX_TRANSPARENT | WindowUtils.WS_EX_NOACTIVATE);
this.Follow = follow;
// Disable Aero transitions, the plexiglass gets too visible
if (Environment.OSVersion.Version.Major >= 6)
{
int value = 1;
if (follow != null)
{
WindowUtils.DwmSetWindowAttribute(follow.MainWindowHandle, WindowUtils.DWMWA_TRANSITIONS_FORCEDISABLED, ref value, 4);
}
}
}
private static string GetActiveWindowTitle()
{
const int nChars = 256;
StringBuilder Buff = new StringBuilder(nChars);
IntPtr handle = WindowUtils.GetForegroundWindow();
if (WindowUtils.GetWindowText(handle, Buff, nChars) > 0)
{
return(Buff.ToString());
}
return(null);
}
public void FollowWindow()
{
if (Follow == null)
{
return;
}
if (this.InvokeRequired)
{
this.Invoke(new Action(() => { FollowWindow(); }));
}
else
{
RECT window = new RECT();
Point pos = new Point(300, 300);
Size siz = new Size(640, 400);
this.TopMost = true;
if (Process.GetCurrentProcess().Id != Follow.Id &&
WindowUtils.GetWindowRect(Follow.MainWindowHandle, ref window))
{
pos = new Point(window.Left + this.XOffset, window.Top + this.YOffset);
siz = new Size(
window.Right - window.Left - (2 * this.XOffset),
window.Bottom - window.Top - (2 * this.YOffset));
if (HalfSize)
{
pos.X = siz.Width / 3;
pos.Y = siz.Height / 3;
siz.Height = siz.Height / 2;
siz.Width = siz.Width / 2;
}
}
if (forceLocation.HasValue && forceSize.HasValue)
{
pos = forceLocation.Value;
siz = forceSize.Value;
}
this.Location = pos;
this.ClientSize = siz;
}
}
private void StartUpdate()
{
var bufg = BufferedGraphicsManager.Current;
DateTime lastframe = DateTime.Now;
Graphics draw = null;
Logger.LogMessage("Starting update loop");
double fixedwait = (1000 / FPS); // number of msec to wait assuming zero time to draw frame
while (this.run)
{
if (back == null)
{
allocateBuffers(bufg);
}
TimeSpan elapsed = DateTime.Now.Subtract(lastframe);
double wait = fixedwait - elapsed.TotalMilliseconds;
if (wait > 0)
{
System.Threading.Thread.Sleep((int)fixedwait);
}
if (Glass == null)
{
System.Threading.Thread.Sleep(1000);
}
if (Glass != null)
{
Glass.XOffset = VIRTUAL_ORIGIN_X;
Glass.YOffset = VIRTUAL_ORIGIN_Y;
if (this.ForceLocation.HasValue && this.ForceSize.HasValue)
{
Glass.ForceGeometry(this.ForceLocation.Value, this.ForceSize.Value);
}
if (Glass.Follow != null && Glass.Follow.HasExited)
{
Logger.LogMessage(String.Format("{0} has exited. quitting.", Glass.Follow.ProcessName));
System.Environment.Exit(0);
}
if (draw == null)
{
draw = getDraw();
}
if (Graphics == null || draw == null)
{
Thread.Sleep(500);
continue;
}
IntPtr activeWindow = WindowUtils.GetForegroundWindow();
bool foreground = (activeWindow == Glass.Follow.MainWindowHandle);
if (foreground)
{
Debug.WriteLine(DateTime.Now + " window foreground");
}
else
{
Debug.WriteLine(DateTime.Now + " window obscured");
}
bool render = (foreground && (Graphics.Values.Count > 0)) || this.ForceRender;
if (render)
{
lock (Graphics)
{
Draw(draw);
swapBuffers(bufg);
Glass.FollowWindow();
}
}
else
{
// nothing to draw, clear and sleep a long sleep
Clear(draw);
swapBuffers(bufg);
Thread.Sleep(1000);
}
lastframe = DateTime.Now;
}
}
}
