internal static void PutWindowNear(Window window, Rect rect, PlacementSide side, PlacementInOut inOut)
{
Point corner = SelectPlacementSide(side, rect);
Rect workArea = MonitorWorkAreaFromRect(rect);
Rect windowRect = RectFromPlacementSide(side, inOut, corner, (int)window.ActualWidth, (int)window.ActualHeight);
if (windowRect.Left < workArea.Left)
{
windowRect.X += workArea.Left - windowRect.Left;
}
else if (windowRect.Right > workArea.Right)
{
windowRect.X -= windowRect.Right - workArea.Right;
}
if (windowRect.Top < workArea.Top)
{
windowRect.Y += workArea.Top - windowRect.Top;
}
else if (windowRect.Bottom > workArea.Bottom)
{
windowRect.Y -= windowRect.Bottom - workArea.Bottom;
}
window.Left = windowRect.X;
window.Top = windowRect.Y;
}
internal static Rect RectFromPlacementSide(PlacementSide side, PlacementInOut inOut, Point corner, int width, int height)
{
Rect rect = new Rect();
switch (side)
{
case PlacementSide.TOP_LEFT:
case PlacementSide.CENTER_LEFT:
case PlacementSide.BOTTOM_LEFT:
rect.X = corner.X;
break;
case PlacementSide.TOP_CENTER:
case PlacementSide.CENTER:
case PlacementSide.BOTTOM_CENTER:
default:
rect.X = corner.X - width / 2;
break;
case PlacementSide.TOP_RIGHT:
case PlacementSide.CENTER_RIGHT:
case PlacementSide.BOTTOM_RIGHT:
rect.X = corner.X - width;
break;
}
switch (side)
{
case PlacementSide.TOP_LEFT:
case PlacementSide.TOP_CENTER:
case PlacementSide.TOP_RIGHT:
rect.Y = corner.Y;
break;
case PlacementSide.CENTER_LEFT:
case PlacementSide.CENTER:
case PlacementSide.CENTER_RIGHT:
default:
rect.Y = corner.Y - height / 2;
break;
case PlacementSide.BOTTOM_LEFT:
case PlacementSide.BOTTOM_CENTER:
case PlacementSide.BOTTOM_RIGHT:
rect.Y = corner.Y - height;
break;
}
rect.Width = width;
rect.Height = height;
/* Change some values for outside placement. If the placement is
* on the top or bottom, clamp the opposite side of the Unicodex
* window to that edge. Otherwise, if it's center-left or
* center-right, clamp the opposite side in the left/right
* direction. True-center positioning is unchanged. */
if (inOut == PlacementInOut.OUTSIDE)
{
switch (side)
{
case PlacementSide.TOP_LEFT:
case PlacementSide.TOP_CENTER:
case PlacementSide.TOP_RIGHT:
rect.Y -= height;
break;
case PlacementSide.BOTTOM_LEFT:
case PlacementSide.BOTTOM_CENTER:
case PlacementSide.BOTTOM_RIGHT:
rect.Y += height;
break;
case PlacementSide.CENTER_LEFT:
rect.X -= width;
break;
case PlacementSide.CENTER_RIGHT:
rect.X += width;
break;
}
}
return(rect);
}
