public void Position(Gdk.Window eventWindow)
{
int x, y;
int widget_x, widget_y;
int widget_height, widget_width;
Realize();
Gdk.Window widget_window = eventWindow;
Gdk.Screen widget_screen = widget_window.Screen;
Gtk.Requisition popup_req;
widget_window.GetOrigin(out widget_x, out widget_y);
widget_width = widget_window.Width;
widget_height = widget_window.Height;
popup_req = Requisition;
if (widget_x + widget_width > widget_screen.Width)
{
x = widget_screen.Width - popup_req.Width;
}
else if (widget_x + widget_width - popup_req.Width < 0)
{
x = 0;
}
else
{
x = widget_x + widget_width - popup_req.Width;
}
if (widget_y + widget_height + popup_req.Height > widget_screen.Height)
{
y = widget_screen.Height - popup_req.Height;
}
else if (widget_y + widget_height < 0)
{
y = 0;
}
else
{
y = widget_y + widget_height;
}
Move(x, y);
}
public virtual void RepositionWindow(Gdk.Rectangle?newCaret = null)
{
if (parent == null)
{
return;
}
int x, y;
if (newCaret.HasValue) //Update caret if parameter is given
{
currentCaret = newCaret.Value;
}
Gdk.Rectangle caret = currentCaret;
Gdk.Window window = targetWindow;
if (targetWindow == null)
{
return;
}
PopupPosition position = Theme.TargetPosition;
this.position = Theme.TargetPosition;
UpdatePadding();
window.GetOrigin(out x, out y);
var alloc = parent.Allocation;
if (eventProvided)
{
caret.X = x;
caret.Y = y;
caret.Width = caret.Height = 1;
}
else
{
if (caret.Equals(Gdk.Rectangle.Zero))
{
caret = new Gdk.Rectangle(0, 0, alloc.Width, alloc.Height);
}
caret = GtkUtil.ToScreenCoordinates(parent, parent.GdkWindow, caret);
}
Gtk.Requisition request = SizeRequest();
var screen = parent.Screen;
Gdk.Rectangle geometry = GtkWorkarounds.GetUsableMonitorGeometry(screen, screen.GetMonitorAtPoint(caret.X, caret.Y));
// Add some spacing between the screen border and the popover window
geometry.Inflate(-5, -5);
// Flip the orientation if the window doesn't fit the screen.
int intPos = (int)position;
switch ((PopupPosition)(intPos & 0x0f))
{
case PopupPosition.Top:
if (caret.Bottom + request.Height > geometry.Bottom)
{
intPos = (intPos & 0xf0) | (int)PopupPosition.Bottom;
}
break;
case PopupPosition.Bottom:
if (caret.Top - request.Height < geometry.X)
{
intPos = (intPos & 0xf0) | (int)PopupPosition.Top;
}
break;
case PopupPosition.Right:
if (caret.X - request.Width < geometry.X)
{
intPos = (intPos & 0xf0) | (int)PopupPosition.Left;
}
break;
case PopupPosition.Left:
if (caret.Right + request.Width > geometry.Right)
{
intPos = (intPos & 0xf0) | (int)PopupPosition.Right;
}
break;
}
position = (PopupPosition)intPos;
UpdatePadding();
// Calculate base coordinate
switch ((PopupPosition)((int)position & 0x0f))
{
case PopupPosition.Top:
y = caret.Bottom;
break;
case PopupPosition.Bottom:
y = caret.Y - request.Height; break;
case PopupPosition.Right:
x = caret.X - request.Width; break;
case PopupPosition.Left:
x = caret.Right; break;
}
int offset;
if ((position & PopupPosition.Top) != 0 || (position & PopupPosition.Bottom) != 0)
{
if (((int)position & 0x10) != 0)
{
x = caret.X - MinArrowSpacing - Theme.ArrowWidth / 2;
}
else if (((int)position & 0x20) != 0)
{
x = caret.Right - request.Width + MinArrowSpacing + Theme.ArrowWidth / 2;
}
else
{
x = caret.X + (caret.Width - request.Width) / 2;
}
if (x < geometry.Left)
{
x = geometry.Left;
}
else if (x + request.Width > geometry.Right)
{
x = geometry.Right - request.Width;
}
offset = caret.X + caret.Width / 2 - x;
if (offset - Theme.ArrowWidth / 2 < MinArrowSpacing)
{
offset = MinArrowSpacing + Theme.ArrowWidth / 2;
}
if (offset > request.Width - MinArrowSpacing - Theme.ArrowWidth / 2)
{
offset = request.Width - MinArrowSpacing - Theme.ArrowWidth / 2;
}
}
else
{
if (((int)position & 0x10) != 0)
{
y = caret.Y - MinArrowSpacing - Theme.ArrowWidth / 2;
}
else if (((int)position & 0x20) != 0)
{
y = caret.Bottom - request.Height + MinArrowSpacing + Theme.ArrowWidth / 2;
}
else
{
y = caret.Y + (caret.Height - request.Height) / 2;
}
if (y < geometry.Top)
{
y = geometry.Top;
}
else if (y + request.Height > geometry.Bottom)
{
y = geometry.Bottom - request.Height;
}
if (MaximumYTopBound > 0)
{
y = Math.Max(MaximumYTopBound, y);
}
offset = caret.Y + caret.Height / 2 - y;
if (offset - Theme.ArrowWidth / 2 < MinArrowSpacing)
{
offset = MinArrowSpacing + Theme.ArrowWidth / 2;
}
if (offset > request.Height - MinArrowSpacing - Theme.ArrowWidth / 2)
{
offset = request.Height - MinArrowSpacing - Theme.ArrowWidth / 2;
}
}
Theme.ArrowOffset = offset;
this.position = position;
UpdatePadding();
Move(x, y);
Show();
if (!ShowWindowShadow)
{
DesktopService.RemoveWindowShadow(this);
}
}
