protected override void OnMouseScrolled(MouseScrolledEventArgs args)
{
bool modified = false;
foreach (Interaction interaction in plotCanvas.interactions) {
modified |= interaction.OnMouseScrolled (args, plotCanvas);
}
CheckForRedraw (modified);
}
void HandleScrollEvent(object o, Gtk.ScrollEventArgs args)
{
var sc = ConvertToScreenCoordinates (new Point (0, 0));
var direction = args.Event.Direction.ToXwtValue ();
var a = new MouseScrolledEventArgs ((long) args.Event.Time, args.Event.XRoot - sc.X, args.Event.YRoot - sc.Y, direction);
ApplicationContext.InvokeUserCode (delegate {
EventSink.OnMouseScrolled(a);
});
if (a.Handled)
args.RetVal = true;
}
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;
}
protected override void OnMouseScrolled(MouseScrolledEventArgs args)
{
base.OnMouseScrolled(args);
if (isEditMode) {
mousePosition = new Point(args.X, args.Y);
QueueDraw();
if (Keyboard.CurrentModifiers.HasFlag(ModifierKeys.Control) ||
Keyboard.CurrentModifiers.HasFlag(ModifierKeys.Command)) {
if (args.Direction == ScrollDirection.Up) {
pointerSize++;
} else {
pointerSize--;
}
args.Handled = 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;
}
public virtual bool OnMouseScrolled(MouseScrolledEventArgs args, PlotCanvas pc)
{
return false;
}
/// <summary>
/// Mouse Scroll (wheel) method for PlotZoom interaction
/// </summary>
public override bool OnMouseScrolled(MouseScrolledEventArgs args, PlotCanvas pc)
{
double proportion = 0.1*Sensitivity; // use initial zoom of 10%
double focusX = 0.5, focusY = 0.5; // default focus point
double direction = 1;
if (args.Direction == ScrollDirection.Down) {
direction = -1;
}
// Zoom direction is +1 for Up/ZoomIn, or -1 for Down/ZoomOut
proportion *= -direction;
// delete previous focusPoint drawing
pc.Canvas.QueueDraw (focusRect);
Rectangle area = pc.PlotAreaBoundingBoxCache;
if (area.Contains(args.X, args.Y)) {
focus.X = args.X;
focus.Y = args.Y;
focusX = (double)(args.X - area.Left)/(double)area.Width;
focusY = (double)(area.Bottom - args.Y)/(double)area.Height;
}
// Zoom in/out for all defined axes
pc.CacheAxes();
pc.ZoomXAxes (proportion,focusX);
pc.ZoomYAxes (proportion,focusY);
double x = focus.X-32;
double y = focus.Y-32;
focusRect = new Rectangle (x, y, 64, 64);
// draw new focusRect
pc.Canvas.QueueDraw (focusRect);
return (true);
}
protected override void OnMouseScrolled(MouseScrolledEventArgs args)
{
//base.OnMouseScrolled(args);
initialScrollPosition = Point.Zero;
if (args.Direction == ScrollDirection.Down) {
Scale(0.9);
} else {
Scale(1.1);
}
args.Handled = true;
}
void HandleMouseScrolled (object sender, MouseScrolledEventArgs e)
{
var msg = "Scrolled " + e.Direction;
int incrUpDown = 0;
if (e.Direction == ScrollDirection.Up)
incrUpDown++;
else if (e.Direction == ScrollDirection.Down)
incrUpDown--;
if (sender == la) {
msg += " " + (laScrollCnt += incrUpDown);
resLa.Text = msg;
}
if (sender == te) {
resTe.Text = msg;
}
if (sender == spn) {
msg += " " + (spnScrollCnt += incrUpDown);
resSpn.Text = msg;
}
if (sender == btn) {
msg += " " + (btnScrollCnt += incrUpDown);
resBtn.Text = msg;
}
if (sender == canvas) {
msg += " " + (canvasScrollCnt += incrUpDown);
resCanvas.Text = msg;
}
Console.WriteLine ("[" + sender + "] " + msg);
}
/// <summary>
/// Called when the mouse wheel is scrolled.
/// </summary>
/// <param name="args">An instance that contains the event data.</param>
protected override void OnMouseScrolled(MouseScrolledEventArgs args)
{
base.OnMouseScrolled(args);
if (args.Handled)
return;
args.Handled = ActualController.HandleMouseWheel(this,
args.ToOxyMouseWheelEventArgs());
}
/// <summary>
/// Resize preview image on scrolling
/// </summary>
/// <param name="e">Event args</param>
private void OnPreviewZoom(MouseScrolledEventArgs e)
{
if (scanView != null) {
if (e.Direction == ScrollDirection.Down) {
scanView.Scale(0.9);
} else {
scanView.Scale(1.1);
}
}
e.Handled = true;
}
void HeavyScroller_MouseScrolled(object sender, MouseScrolledEventArgs e)
{
switch (e.Direction)
{
case ScrollDirection.Down:
ScrollTo(OffsetY - 10);
return;
case ScrollDirection.Up:
ScrollTo(OffsetY + 10);
return;
case ScrollDirection.Right:
ScrollTo(null, OffsetX + 10);
return;
case ScrollDirection.Left:
ScrollTo(null, OffsetX - 10);
return;
}
}
