void OnScrollEvent(object o, Gtk.ScrollEventArgs args)
{
var evnt = args.Event;
double step = 1;
var delta = new Vector();
if (evnt.Direction == ScrollDirection.Down)
{
delta = new Vector(0, -step);
}
else if (evnt.Direction == ScrollDirection.Up)
{
delta = new Vector(0, step);
}
else if (evnt.Direction == ScrollDirection.Right)
{
delta = new Vector(-step, 0);
}
if (evnt.Direction == ScrollDirection.Left)
{
delta = new Vector(step, 0);
}
var e = new RawMouseWheelEventArgs(GtkMouseDevice.Instance, evnt.Time, _inputRoot, new Point(evnt.X, evnt.Y), delta, GetModifierKeys(evnt.State));
Input(e);
}
protected virtual MouseScrolledEventArgs GetScrollEventArgs(Gtk.ScrollEventArgs args)
{
var direction = args.Event.Direction.ToXwtValue();
var pointer_coords = EventsRootWidget.CheckPointerCoordinates(args.Event.Window, args.Event.X, args.Event.Y);
return(new MouseScrolledEventArgs((long)args.Event.Time, pointer_coords.X, pointer_coords.Y, direction));
}
public void HandleScrollEvent(object o, Gtk.ScrollEventArgs args)
{
var p = new PointF((float)args.Event.X, (float)args.Event.Y);
Key modifiers = args.Event.State.ToEtoKey();
MouseButtons buttons = args.Event.State.ToEtoMouseButtons();
SizeF delta;
switch (args.Event.Direction)
{
case Gdk.ScrollDirection.Down:
delta = new SizeF(0f, -ScrollAmount);
break;
case Gdk.ScrollDirection.Left:
delta = new SizeF(ScrollAmount, 0f);
break;
case Gdk.ScrollDirection.Right:
delta = new SizeF(-ScrollAmount, 0f);
break;
case Gdk.ScrollDirection.Up:
delta = new SizeF(0f, ScrollAmount);
break;
default:
throw new NotSupportedException();
}
Handler.Widget.OnMouseWheel(new MouseEventArgs(buttons, modifiers, p, delta));
}
void FlowsheetSurface_GTK_ScrollEvent(object o, Gtk.ScrollEventArgs args)
{
if (args.Event.Direction == Gdk.ScrollDirection.Down)
{
fsurface.Zoom += -5 / 100f;
}
else
{
fsurface.Zoom += 5 / 100f;
}
this.QueueDraw();
}
void HandleScrollEvent(object o, Gtk.ScrollEventArgs args)
{
var direction = args.Event.Direction.ToXwtValue();
var a = new MouseScrolledEventArgs((long)args.Event.Time, args.Event.X, args.Event.Y, direction);
ApplicationContext.InvokeUserCode(delegate {
EventSink.OnMouseScrolled(a);
});
if (a.Handled)
{
args.RetVal = true;
}
}
void HandleScrollEvent(object o, Gtk.ScrollEventArgs args)
{
var sc = ConvertToScreenCoordinates(new Point(0, 0));
var direction = Util.ConvertScrollDirection(args.Event.Direction);
var a = new MouseScrolledEventArgs((long)args.Event.Time, args.Event.XRoot - sc.X, args.Event.YRoot - sc.Y, direction);
Toolkit.Invoke(delegate {
EventSink.OnMouseScrolled(a);
});
if (a.Handled)
{
args.RetVal = true;
}
}
void HandleScrollEvent(object o, Gtk.ScrollEventArgs args)
{
var a = GetScrollEventArgs(args);
if (a == null)
{
return;
}
ApplicationContext.InvokeUserCode(delegate {
EventSink.OnMouseScrolled(a);
});
if (a.Handled)
{
args.RetVal = true;
}
}
private void HandleScrollEvent(object sender, Gtk.ScrollEventArgs args)
{
//For right now we just disable fit mode and let the parent event handlers deal
//with the real actions.
this.Fit = false;
}
protected virtual MouseScrolledEventArgs GetScrollEventArgs(Gtk.ScrollEventArgs args)
{
var direction = args.Event.Direction.ToXwtValue();
return(new MouseScrolledEventArgs((long)args.Event.Time, args.Event.X, args.Event.Y, direction));
}
public void HandleScrollableScrollEvent(object o, Gtk.ScrollEventArgs args)
{
var pos = new Point((int)args.Event.X, (int)args.Event.Y);
Handler.Callback.OnScroll(Handler.Widget, new ScrollEventArgs(pos));
}
