private void UserControl_MouseDown(object sender, MouseButtonEventArgs e)
{
CaptureMouse();
draggingAxLine = settings.GetDraggableAxisLineUnderCursor(SDPoint(GetPixelPosition(e)));
bool shiftIsPressed = Keyboard.IsKeyDown(Key.LeftShift) || Keyboard.IsKeyDown(Key.RightShift);
if (e.ChangedButton == MouseButton.Left && shiftIsPressed)
{
mouseMiddleDownLocation = GetPixelPosition(e);
}
else if (e.ChangedButton == MouseButton.Left)
{
mouseLeftDownLocation = GetPixelPosition(e);
}
else if (e.ChangedButton == MouseButton.Right)
{
mouseRightDownLocation = GetPixelPosition(e);
}
else if (e.ChangedButton == MouseButton.Middle)
{
mouseMiddleDownLocation = GetPixelPosition(e);
}
axisLimitsOnMouseDown = plt.Axis();
}
private void PbPlot_MouseDown(object sender, MouseEventArgs e)
{
draggingAxLine = settings.GetDraggableAxisLineUnderCursor(e.Location);
if (draggingAxLine != null)
{
OnMouseDownOnPlottable(EventArgs.Empty);
}
else
{
// mouse is being used for click and zoom
if (e.Button == MouseButtons.Left && ModifierKeys.HasFlag(Keys.Shift))
{
mouseMiddleDownLocation = e.Location;
}
else if (e.Button == MouseButtons.Left && enablePanning)
{
mouseLeftDownLocation = e.Location;
}
else if (e.Button == MouseButtons.Right && enableZooming)
{
mouseRightDownLocation = e.Location;
}
else if (e.Button == MouseButtons.Middle)
{
mouseMiddleDownLocation = e.Location;
}
axisLimitsOnMouseDown = plt.Axis();
}
}
public PlottableAxLine PlotVLine(
double x,
Color? color = null,
double lineWidth = 1,
string label = null,
bool draggable = false,
double dragLimitLower = double.NegativeInfinity,
double dragLimitUpper = double.PositiveInfinity,
LineStyle lineStyle = LineStyle.Solid
)
{
if (color == null)
color = settings.GetNextColor();
PlottableAxLine axLine = new PlottableAxLine(
position: x,
vertical: true,
color: (Color)color,
lineWidth: lineWidth,
label: label,
draggable: draggable,
dragLimitLower: dragLimitLower,
dragLimitUpper: dragLimitUpper,
lineStyle: lineStyle
);
settings.plottables.Add(axLine);
return axLine;
}
private void PbPlot_MouseUp(object sender, MouseEventArgs e)
{
if (mouseMiddleDownLocation != null)
{
int x1 = Math.Min(mouseLocation.X, ((Point)mouseMiddleDownLocation).X);
int x2 = Math.Max(mouseLocation.X, ((Point)mouseMiddleDownLocation).X);
int y1 = Math.Min(mouseLocation.Y, ((Point)mouseMiddleDownLocation).Y);
int y2 = Math.Max(mouseLocation.Y, ((Point)mouseMiddleDownLocation).Y);
Point topLeft = new Point(x1, y1);
Size size = new Size(x2 - x1, y2 - y1);
Point botRight = new Point(topLeft.X + size.Width, topLeft.Y + size.Height);
if ((size.Width > 2) && (size.Height > 2))
{
// only change axes if suffeciently large square was drawn
plt.Axis(
x1: plt.CoordinateFromPixel(topLeft).X,
x2: plt.CoordinateFromPixel(botRight).X,
y1: plt.CoordinateFromPixel(botRight).Y,
y2: plt.CoordinateFromPixel(topLeft).Y
);
}
else
{
plt.AxisAuto();
}
}
if (mouseRightDownLocation != null)
{
int deltaX = Math.Abs(((Point)mouseRightDownLocation).X - mouseLocation.X);
int deltaY = Math.Abs(((Point)mouseRightDownLocation).Y - mouseLocation.Y);
if (deltaX < 3 && deltaY < 3)
{
OnMenuDeployed();
}
}
if (isMouseDragging)
OnMouseDragged(EventArgs.Empty);
if (isMouseDragging)
OnAxisChanged();
if (draggingAxLine != null)
OnMouseDropPlottable(EventArgs.Empty);
OnMouseClicked(e);
mouseLeftDownLocation = null;
mouseRightDownLocation = null;
mouseMiddleDownLocation = null;
axisLimitsOnMouseDown = null;
settings.mouseMiddleRect = null;
draggingAxLine = null;
Render();
}
/// <summary>
/// Plot a horizontal line at the given Y position
/// </summary>
public void PlotHLine(double x, Color?color = null, double lineWidth = 1, string label = null, bool draggable = false, double dragLimitLower = double.NegativeInfinity, double dragLimitUpper = double.PositiveInfinity)
{
if (color == null)
{
color = settings.GetNextColor();
}
PlottableAxLine axLine = new PlottableAxLine(x, vertical: false, color: (Color)color, lineWidth: lineWidth, label: label, draggable: draggable, dragLimitLower: dragLimitLower, dragLimitUpper: dragLimitUpper);
settings.plottables.Add(axLine);
}
/// <summary>
/// Plot a horizontal line at the given Y position
/// </summary>
public void PlotHLine(double x, Color?color = null, double lineWidth = 1, string label = null)
{
if (color == null)
{
color = settings.GetNextColor();
}
PlottableAxLine axLine = new PlottableAxLine(x, vertical: false, color: (Color)color, lineWidth: lineWidth, label: label);
settings.plottables.Add(axLine);
}
private void UserControl_MouseUp(object sender, MouseButtonEventArgs e)
{
ReleaseMouseCapture();
draggingAxLine = null;
if (mouseMiddleDownLocation != null)
{
double x1 = Math.Min(mouseLocation.X, ((Point)mouseMiddleDownLocation).X);
double x2 = Math.Max(mouseLocation.X, ((Point)mouseMiddleDownLocation).X);
double y1 = Math.Min(mouseLocation.Y, ((Point)mouseMiddleDownLocation).Y);
double y2 = Math.Max(mouseLocation.Y, ((Point)mouseMiddleDownLocation).Y);
Point topLeft = new Point(x1, y1);
Size size = new Size(x2 - x1, y2 - y1);
Point botRight = new Point(topLeft.X + size.Width, topLeft.Y + size.Height);
if ((size.Width > 2) && (size.Height > 2))
{
// only change axes if suffeciently large square was drawn
plt.Axis(
x1: plt.CoordinateFromPixel((int)topLeft.X, (int)topLeft.Y).X,
x2: plt.CoordinateFromPixel((int)botRight.X, (int)botRight.Y).X,
y1: plt.CoordinateFromPixel((int)botRight.X, (int)botRight.Y).Y,
y2: plt.CoordinateFromPixel((int)topLeft.X, (int)topLeft.Y).Y
);
}
else
{
plt.AxisAuto();
}
}
mouseLeftDownLocation = null;
mouseRightDownLocation = null;
mouseMiddleDownLocation = null;
axisLimitsOnMouseDown = null;
settings.mouseMiddleRect = null;
Render();
}