// TODO: refactor into FloatingToolForm class somehow
private void FloaterOpacityTimer_Tick(object sender, System.EventArgs e)
{
if (this.WindowState == FormWindowState.Minimized ||
this.floaters == null ||
!PdnBaseForm.EnableOpacity ||
this.appWorkspace.ActiveDocumentWorkspace == null)
{
return;
}
// Here's the behavior we want for our floaters:
// 1. If the mouse is within a floaters rectangle, it should transition to fully opaque
// 2. If the mouse is outside the floater's rectangle, it should transition to partially
// opaque
// 3. However, if the floater is outside where the document is visible on screen, it
// should always be fully opaque.
Rectangle screenDocRect;
try
{
screenDocRect = this.appWorkspace.ActiveDocumentWorkspace.VisibleDocumentBounds;
}
catch (ObjectDisposedException)
{
return; // do nothing, we are probably in the process of shutting down the app
}
for (int i = 0; i < floaters.Length; ++i)
{
FloatingToolForm ftf = floaters[i];
Rectangle intersect = Rectangle.Intersect(screenDocRect, ftf.Bounds);
double opacity = -1.0;
try
{
if (intersect.Width == 0 ||
intersect.Height == 0 ||
(ftf.Bounds.Contains(Control.MousePosition) &&
!appWorkspace.ActiveDocumentWorkspace.IsMouseCaptured()) ||
Utility.DoesControlHaveMouseCaptured(ftf))
{
opacity = Math.Min(1.0, ftf.Opacity + 0.125);
}
else
{
opacity = Math.Max(0.75, ftf.Opacity - 0.0625);
}
if (opacity != ftf.Opacity)
{
ftf.Opacity = opacity;
}
}
catch (System.ComponentModel.Win32Exception)
{
// We just eat the exception. Chris Strahl was having some problem where opacity was 0.7
// and we were trying to set it to 0.7 and it said "the parameter is incorrect"
// ... which is stupid. Bad NVIDIA drivers for his GeForce Go?
}
}
}
public void ResetFloatingForm(FloatingToolForm ftf)
{
SnapManager sm = SnapManager.FindMySnapManager(this);
if (ftf == Widgets.ToolsForm)
{
sm.ParkObstacle(Widgets.ToolsForm, this, HorizontalSnapEdge.Top, VerticalSnapEdge.Left);
}
else if (ftf == Widgets.HistoryForm)
{
sm.ParkObstacle(Widgets.HistoryForm, this, HorizontalSnapEdge.Top, VerticalSnapEdge.Right);
}
else if (ftf == Widgets.LayerForm)
{
sm.ParkObstacle(Widgets.LayerForm, this, HorizontalSnapEdge.Bottom, VerticalSnapEdge.Right);
}
else if (ftf == Widgets.ColorsForm)
{
sm.ParkObstacle(Widgets.ColorsForm, this, HorizontalSnapEdge.Bottom, VerticalSnapEdge.Left);
}
else
{
throw new ArgumentException();
}
}