protected override bool OnLeaveNotifyEvent(Gdk.EventCrossing evnt)
{
isInBorder = false;
if (!isSizing)
{
sizingSide = SizingSide.SizingSideType.E_NONE;
SelectCursor();
}
return(base.OnLeaveNotifyEvent(evnt));
}
protected override bool OnMotionNotifyEvent(Gdk.EventMotion evnt)
{
if (!evnt.Window.Equals(base.GdkWindow) &&
!evnt.Window.Equals(this.evntboxTitleBar.GdkWindow))
return base.OnMotionNotifyEvent (evnt);
if (base.Decorated ||
base.GdkWindow.State == Gdk.WindowState.Maximized ||
!base.Resizable)
return base.OnMotionNotifyEvent (evnt);
if (!isSizing) {
sizingSide = SizingSide.SizingSideType.E_NONE;
if (evnt.X < Allocation.X + frameBorderWidth)
sizingSide |= SizingSide.SizingSideType.E_LEFT_SIDE;
else if (evnt.X >= Allocation.X + Allocation.Width - frameBorderWidth)
sizingSide |= SizingSide.SizingSideType.E_RIGHT_SIDE;
if (evnt.Y < Allocation.Y + frameBorderWidth)
sizingSide |= SizingSide.SizingSideType.E_TOP_SIDE;
else if (evnt.Y >= Allocation.Y + Allocation.Height - frameBorderWidth)
sizingSide |= SizingSide.SizingSideType.E_BOTTOM_SIDE;
} else {
Gdk.Point windowPos = Gdk.Point.Zero;
GdkWindow.GetPosition (out windowPos.X, out windowPos.Y);
Gdk.Rectangle windowRect = Gdk.Rectangle.Zero;
windowRect.X = windowPos.X;
windowRect.Y = windowPos.Y;
windowRect.Width = lastWindowSize.Width;
windowRect.Height = lastWindowSize.Height;
Gdk.Point curMousePos = Gdk.Point.Zero;
curMousePos.X = (int) evnt.XRoot;
curMousePos.Y = (int) evnt.YRoot;
Gdk.Size minSize = Gdk.Size.Empty;
minSize.Width = base.SizeRequest().Width;
minSize.Height = base.SizeRequest().Height;
switch (sizingSide) {
case SizingSide.SizingSideType.E_LEFT_SIDE:
windowRect.Width -= curMousePos.X - lastMousePos.X;
windowRect.Width = Math.Max(windowRect.Width, minSize.Width);
windowRect.X = lastMousePos.X + lastWindowSize.Width - windowRect.Width;
break;
case SizingSide.SizingSideType.E_RIGHT_SIDE:
windowRect.Width += curMousePos.X - lastMousePos.X;
windowRect.Width = Math.Max(windowRect.Width, minSize.Width);
break;
case SizingSide.SizingSideType.E_TOP_SIDE:
windowRect.Height -= curMousePos.Y - lastMousePos.Y;
windowRect.Height = Math.Max(windowRect.Height, minSize.Height);
windowRect.Y = lastMousePos.Y + lastWindowSize.Height - windowRect.Height;
break;
case SizingSide.SizingSideType.E_TOP_LEFT_CONER:
windowRect.Width -= curMousePos.X - lastMousePos.X;
windowRect.Width = Math.Max(windowRect.Width, minSize.Width);
windowRect.X = lastMousePos.X + lastWindowSize.Width - windowRect.Width;
windowRect.Height -= curMousePos.Y - lastMousePos.Y;
windowRect.Height = Math.Max(windowRect.Height, minSize.Height);
windowRect.Y = lastMousePos.Y + lastWindowSize.Height - windowRect.Height;
break;
case SizingSide.SizingSideType.E_TOP_RIGHT_CONER:
windowRect.Width += curMousePos.X - lastMousePos.X;
windowRect.Width = Math.Max(windowRect.Width, minSize.Width);
windowRect.Height -= curMousePos.Y - lastMousePos.Y;
windowRect.Height = Math.Max(windowRect.Height, minSize.Height);
windowRect.Y = lastMousePos.Y + lastWindowSize.Height - windowRect.Height;
break;
case SizingSide.SizingSideType.E_BOTTOM_SIDE:
windowRect.Height += curMousePos.Y - lastMousePos.Y;
windowRect.Height = Math.Max(windowRect.Height, minSize.Height);
break;
case SizingSide.SizingSideType.E_BOTTOM_LEFT_CONER:
windowRect.Width -= curMousePos.X - lastMousePos.X;
windowRect.Width = Math.Max(windowRect.Width, minSize.Width);
windowRect.X = lastMousePos.X + lastWindowSize.Width - windowRect.Width;
windowRect.Height += curMousePos.Y - lastMousePos.Y;
windowRect.Height = Math.Max(windowRect.Height, minSize.Height);
break;
case SizingSide.SizingSideType.E_BOTTOM_RIGHT_CONER:
windowRect.Width += curMousePos.X - lastMousePos.X;
windowRect.Width = Math.Max(windowRect.Width, minSize.Width);
windowRect.Height += curMousePos.Y - lastMousePos.Y;
windowRect.Height = Math.Max(windowRect.Height, minSize.Height);
break;
default:
break;
}
base.GdkWindow.FreezeUpdates();
base.GdkWindow.MoveResize(windowRect);
base.GdkWindow.ThawUpdates();
}
SelectCursor ();
return base.OnMotionNotifyEvent (evnt);
}
protected override bool OnLeaveNotifyEvent(Gdk.EventCrossing evnt)
{
isInBorder = false;
if (!isSizing)
{
sizingSide = SizingSide.SizingSideType.E_NONE;
SelectCursor();
}
return base.OnLeaveNotifyEvent(evnt);
}
protected override bool OnMotionNotifyEvent(Gdk.EventMotion evnt)
{
if (!evnt.Window.Equals(base.GdkWindow) &&
!evnt.Window.Equals(this.evntboxTitleBar.GdkWindow))
{
return(base.OnMotionNotifyEvent(evnt));
}
if (base.Decorated ||
base.GdkWindow.State == Gdk.WindowState.Maximized ||
!base.Resizable)
{
return(base.OnMotionNotifyEvent(evnt));
}
if (!isSizing && isInBorder)
{
sizingSide = SizingSide.SizingSideType.E_NONE;
if (evnt.X < Allocation.X + frameBorderWidth + frameBorderMargin)
{
sizingSide |= SizingSide.SizingSideType.E_LEFT_SIDE;
}
else if (evnt.X >= Allocation.X + Allocation.Width - frameBorderWidth - frameBorderMargin)
{
sizingSide |= SizingSide.SizingSideType.E_RIGHT_SIDE;
}
int cornerMargin = (sizingSide == SizingSide.SizingSideType.E_NONE ? 0 : frameBorderWidth * 2);
if (evnt.Y < Allocation.Y + frameBorderWidth + frameBorderMargin + cornerMargin)
{
sizingSide |= SizingSide.SizingSideType.E_TOP_SIDE;
}
else if (evnt.Y >= Allocation.Y + Allocation.Height - frameBorderWidth - frameBorderMargin - cornerMargin)
{
sizingSide |= SizingSide.SizingSideType.E_BOTTOM_SIDE;
}
cornerMargin = (sizingSide == SizingSide.SizingSideType.E_NONE ? 0 : frameBorderWidth * 2);
if (evnt.X < Allocation.X + frameBorderWidth + frameBorderMargin + cornerMargin)
{
sizingSide |= SizingSide.SizingSideType.E_LEFT_SIDE;
}
else if (evnt.X >= Allocation.X + Allocation.Width - frameBorderWidth - frameBorderMargin - cornerMargin)
{
sizingSide |= SizingSide.SizingSideType.E_RIGHT_SIDE;
}
}
if (isSizing)
{
Gdk.Point windowPos = Gdk.Point.Zero;
GdkWindow.GetPosition(out windowPos.X, out windowPos.Y);
Gdk.Rectangle windowRect = Gdk.Rectangle.Zero;
windowRect.X = windowPos.X;
windowRect.Y = windowPos.Y;
windowRect.Width = lastWindowSize.Width;
windowRect.Height = lastWindowSize.Height;
Gdk.Point curMousePos = Gdk.Point.Zero;
curMousePos.X = (int)evnt.XRoot;
curMousePos.Y = (int)evnt.YRoot;
Gdk.Size minSize = Gdk.Size.Empty;
minSize.Width = base.SizeRequest().Width;
minSize.Height = base.SizeRequest().Height;
switch (sizingSide)
{
case SizingSide.SizingSideType.E_LEFT_SIDE:
windowRect.Width -= curMousePos.X - lastMousePos.X;
windowRect.Width = Math.Max(windowRect.Width, minSize.Width);
windowRect.X = lastWindowPos.X + lastWindowSize.Width - windowRect.Width;
break;
case SizingSide.SizingSideType.E_RIGHT_SIDE:
windowRect.Width += curMousePos.X - lastMousePos.X;
windowRect.Width = Math.Max(windowRect.Width, minSize.Width);
break;
case SizingSide.SizingSideType.E_TOP_SIDE:
windowRect.Height -= curMousePos.Y - lastMousePos.Y;
windowRect.Height = Math.Max(windowRect.Height, minSize.Height);
windowRect.Y = lastWindowPos.Y + lastWindowSize.Height - windowRect.Height;
break;
case SizingSide.SizingSideType.E_TOP_LEFT_CONER:
windowRect.Width -= curMousePos.X - lastMousePos.X;
windowRect.Width = Math.Max(windowRect.Width, minSize.Width);
windowRect.X = lastWindowPos.X + lastWindowSize.Width - windowRect.Width;
windowRect.Height -= curMousePos.Y - lastMousePos.Y;
windowRect.Height = Math.Max(windowRect.Height, minSize.Height);
windowRect.Y = lastWindowPos.Y + lastWindowSize.Height - windowRect.Height;
break;
case SizingSide.SizingSideType.E_TOP_RIGHT_CONER:
windowRect.Width += curMousePos.X - lastMousePos.X;
windowRect.Width = Math.Max(windowRect.Width, minSize.Width);
windowRect.Height -= curMousePos.Y - lastMousePos.Y;
windowRect.Height = Math.Max(windowRect.Height, minSize.Height);
windowRect.Y = lastWindowPos.Y + lastWindowSize.Height - windowRect.Height;
break;
case SizingSide.SizingSideType.E_BOTTOM_SIDE:
windowRect.Height += curMousePos.Y - lastMousePos.Y;
windowRect.Height = Math.Max(windowRect.Height, minSize.Height);
break;
case SizingSide.SizingSideType.E_BOTTOM_LEFT_CONER:
windowRect.Width -= curMousePos.X - lastMousePos.X;
windowRect.Width = Math.Max(windowRect.Width, minSize.Width);
windowRect.X = lastWindowPos.X + lastWindowSize.Width - windowRect.Width;
windowRect.Height += curMousePos.Y - lastMousePos.Y;
windowRect.Height = Math.Max(windowRect.Height, minSize.Height);
break;
case SizingSide.SizingSideType.E_BOTTOM_RIGHT_CONER:
windowRect.Width += curMousePos.X - lastMousePos.X;
windowRect.Width = Math.Max(windowRect.Width, minSize.Width);
windowRect.Height += curMousePos.Y - lastMousePos.Y;
windowRect.Height = Math.Max(windowRect.Height, minSize.Height);
break;
default:
break;
}
base.GdkWindow.MoveResize(windowRect);
}
SelectCursor();
return(base.OnMotionNotifyEvent(evnt));
}
