internal static Rect GetLocation(PopupStyles style, Size desiredSize, Rect spanRectInScreenCoordinates, Rect reservedRect, Rect screenRect)
{
if ((style & PopupStyles.PositionLeftOrRight) != 0)
{
//Position left or right
double xPosition = ((style & PopupStyles.PreferLeftOrTopPosition) != 0)
? (reservedRect.Left - desiredSize.Width) //To the left
: reservedRect.Right; //To the right
double yPosition = ((style & PopupStyles.RightOrBottomJustify) != 0)
? (spanRectInScreenCoordinates.Bottom - desiredSize.Height) //Bottom justified
: spanRectInScreenCoordinates.Top; //Top justified
return(ShiftVerticallyToFitScreen(xPosition, yPosition,
desiredSize, screenRect));
}
else
{
//Position above or below.
double xPosition = ((style & PopupStyles.RightOrBottomJustify) != 0)
? (spanRectInScreenCoordinates.Right - desiredSize.Width) //Right justified
: spanRectInScreenCoordinates.Left; //Left justified
double yPosition = ((style & PopupStyles.PreferLeftOrTopPosition) != 0)
? (reservedRect.Top - desiredSize.Height) //Above
: reservedRect.Bottom; //Below
return(ShiftHorizontallyToFitScreen(xPosition, yPosition,
desiredSize, screenRect));
}
}
public SimpleBox(double coreWidth, double coreHeight)
{
Color = new Color(0.5, 0.5, 1);
this.coreSize = new Size(coreWidth, coreHeight);
MinWidth = coreSize.Width + margin * 2;
MinHeight = coreSize.Height + margin * 2;
}
protected override Size OnGetPreferredSize (SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
FrameBox parent = (FrameBox)Parent;
Size s = new Size (parent.Padding.HorizontalSpacing + parent.BorderWidth.HorizontalSpacing, parent.Padding.VerticalSpacing + parent.BorderWidth.VerticalSpacing);
if (child != null)
s += child.Surface.GetPreferredSize (widthConstraint - s.Width, heightConstraint - s.Height, true);
return s;
}
protected override Size OnGetPreferredSize (SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
var parent = (RoundedFrameBox)Parent;
var s = new Size (Math.Max (parent.Padding.HorizontalSpacing, Math.Max (parent.BorderSpacing.HorizontalSpacing, parent.CornerRadius.Spacing.HorizontalSpacing)),
Math.Max (parent.Padding.VerticalSpacing, Math.Max (parent.BorderSpacing.VerticalSpacing, parent.CornerRadius.Spacing.VerticalSpacing)));
if (child != null)
s += child.Surface.GetPreferredSize (widthConstraint - s.Width, heightConstraint - s.Height, true);
return s;
}
void Reallocate (Size size)
{
TablePlacement[] visibleChildren = VisibleChildren ();
var childrenSizes = GetPreferredChildrenSizes (visibleChildren, false, false);
var w = CalcPreferredCellSizes (visibleChildren, childrenSizes, Orientation.Horizontal);
CalcCellSizes (w, size.Width, true);
childrenSizes = GetPreferredChildrenSizes (visibleChildren, true, false);
var h = CalcPreferredCellSizes (visibleChildren, childrenSizes, Orientation.Vertical);
CalcCellSizes (h, size.Height, true);
}
/// <summary>
/// Default constructor
/// </summary>
public OverlayCanvas()
: base()
{
CanGetFocus = true;
if (Bounds.Size == Size.Zero)
return;
cacheSize = Bounds.Size;
ib = new ImageBuilder (Bounds.Width, Bounds.Height);
cache = ib.ToBitmap ();
}
internal static Rect ShiftVerticallyToFitScreen(double x, double y, Size desiredSize, Rect screenRect)
{
if ((y + desiredSize.Height) > screenRect.Bottom)
{
y = screenRect.Bottom - desiredSize.Height;
}
if (y < screenRect.Top)
{
y = screenRect.Top;
}
return(new Rect(x, y, desiredSize.Width, desiredSize.Height));
}
internal static Rect ShiftHorizontallyToFitScreen(double x, double y, Size desiredSize, Rect screenRect)
{
if ((x + desiredSize.Width) > screenRect.Right)
{
x = screenRect.Right - desiredSize.Width;
}
if (x < screenRect.Left)
{
x = screenRect.Left;
}
return(new Rect(x, y, desiredSize.Width, desiredSize.Height));
}
public Geometry PositionAndDisplay(Geometry reservedSpace)
{
//This method should only be called from the popup manager (which should never call it when the containing
//view is hidden or in the middle of a layout).
//This method does not support virtual whitespace positioning. An attempt to support it by using caret position was introduced, but
//regressed the behavior that popup should stay in place as the caret moves. If in the future we need to support virtual whitespace,
//consider using virtual span instead.
//Update the visual span to the current snapshot.
SnapshotSpan visualSpan = _visualSpan.GetSpan(_textView.TextSnapshot);
// If the style indicates that we should dismiss when the mouse leaves the span of the text, then we should make an
// initial check to make sure the mouse starts-off in the span. If not, we should fail to position.
if ((_style & (PopupStyles.DismissOnMouseLeaveText | PopupStyles.DismissOnMouseLeaveTextOrContent)) != 0)
{
_textView.VisualElement.GetPointer(out int x, out int y);
if (this.ShouldClearToolTipOnMouseMove(new Point(x, y)))
{
return(null);
}
}
Rect?spanRectangle = null;
if (visualSpan.Length > 0)
{
double left = double.MaxValue;
double top = double.MaxValue;
double right = double.MinValue;
double bottom = double.MinValue;
var bounds = _textView.TextViewLines.GetNormalizedTextBounds(visualSpan);
foreach (var bound in bounds)
{
left = Math.Min(left, bound.Left);
top = Math.Min(top, bound.TextTop);
right = Math.Max(right, bound.Right);
bottom = Math.Max(bottom, bound.TextBottom);
}
// If the start of the span lies within the view, use that instead of the left-bound of the span as a whole.
// This will cause popups to be left-aligned with the start of their span, if at all possible.
var startLine = _textView.TextViewLines.GetTextViewLineContainingBufferPosition(visualSpan.Start);
if (startLine != null)
{
var startPointBounds = startLine.GetExtendedCharacterBounds(visualSpan.Start);
if ((startPointBounds.Left < right) && (startPointBounds.Left >= _textView.ViewportLeft) && (startPointBounds.Left < _textView.ViewportRight))
{
left = startPointBounds.Left;
}
}
//Special case handling for when the end of the span is at the start of a line.
ITextViewLine line = _textView.TextViewLines.GetTextViewLineContainingBufferPosition(visualSpan.End);
if ((line != null) && (line.Start == visualSpan.End))
{
bottom = Math.Max(bottom, line.TextBottom);
}
if (left < right)
{
spanRectangle = new Rect(left, top, right - left, bottom - top);
}
}
else
{
//visualSpan is zero length so the default MarkerGeometry will be null. Create a custom marker geometry based on the location.
ITextViewLine line = _textView.TextViewLines.GetTextViewLineContainingBufferPosition(visualSpan.Start);
if (line != null)
{
TextBounds bounds = line.GetCharacterBounds(visualSpan.Start);
spanRectangle = new Rect(bounds.Left, bounds.TextTop, 0.0, bounds.TextHeight);
}
}
if (spanRectangle.HasValue)
{
//Get the portion of the span geometry that is inside the view.
Rect viewRect = new Rect(_textView.ViewportLeft, _textView.ViewportTop, _textView.ViewportWidth, _textView.ViewportHeight);
Rect spanRect = spanRectangle.Value;
spanRect = spanRect.Intersect(viewRect);
if (spanRect != default(Rect))
{
// Determine two different rectangles for the span. One is the span in its raw form. The other is a "guess" at
// what the already-reserved space around the span will be. We have a very-prevalent space reservation agent (the
// current line agent) that reserves the current line plus a 3-pixel buffer below the line. We'll optimistically
// guess that this agent might be in-play and attempt to avoid it.
Rect spanRectWithBuffer = new Rect(spanRect.Left, spanRect.Top, spanRect.Right - spanRect.Left, spanRect.Bottom - spanRect.Top + BelowTheLineBufferHint);
//Some of the text associated with the popup is visible, show the popup.
Rect spanRectInScreenCoordinates = new Rect(this.GetScreenPointFromTextXY(spanRect.Left, spanRect.Top),
this.GetScreenPointFromTextXY(spanRect.Right, spanRect.Bottom));
Rect spanRectWithBufferInScreenCoordinates = new Rect(this.GetScreenPointFromTextXY(spanRectWithBuffer.Left, spanRectWithBuffer.Top),
this.GetScreenPointFromTextXY(spanRectWithBuffer.Right, spanRectWithBuffer.Bottom));
Rect screenRect = Xwt.Desktop.GetScreenAtLocation(spanRectInScreenCoordinates.TopLeft).Bounds;//TODO: Check if we should use VisualBounds
Size desiredSize = _popup.Size;
//The popup size specified in deivice pixels. Convert these to logical
//pixels for purposes of calculating the actual size of the popup.
//TODO desiredSize = new Size (desiredSize.Width / WpfHelper.DeviceScaleX, desiredSize.Height / WpfHelper.DeviceScaleY);
desiredSize = new Size(desiredSize.Width, desiredSize.Height);
PopupStyles alternateStyle = _style ^ PopupStyles.PreferLeftOrTopPosition;
var tr = reservedSpace.Bounds;
Point topLeft = new Point(Math.Min(spanRectInScreenCoordinates.Left, tr.Left),
Math.Min(spanRectInScreenCoordinates.Top, tr.Top));
Point bottomRight = new Point(Math.Max(spanRectInScreenCoordinates.Right, tr.Right),
Math.Max(spanRectInScreenCoordinates.Bottom, tr.Bottom));
var reservedRect = new Rect(topLeft.X, topLeft.Y, bottomRight.X - topLeft.X, bottomRight.Y - topLeft.Y);
//There are 6 possible locations for the popup. The order of preference is determined by the presence of the
//'PositionClosest' PopupStyle.
//
// Without 'PositionClosest':
// 1 .. On the desired side of the span.
// 2 .. On the desired side of the span with a bit of buffer.
// 3 .. on the desired side of the reserved rectangle.
// 4 .. On the alternate side of the span.
// 5 .. On the alternate side of the span with a bit of buffer.
// 6 .. on the alternate side of the reserved rectangle.
//
// With 'PositionClosest':
// 1 .. On the desired side of the span.
// 2 .. On the desired side of the span with a bit of buffer.
// 3 .. On the alternate side of the span.
// 4 .. On the alternate side of the span with a bit of buffer.
// 5 .. on the desired side of the reserved rectangle.
// 6 .. on the alternate side of the reserved rectangle.
//
//Try each location till we get a winner.
// A location is a winner if it is disjoint from the original reserved rect and
// the edges of the screen.
Tuple <PopupStyles, Rect>[] positionChoices;
if (reservedRect != default(Rect))
{
if ((_style & PopupStyles.PositionClosest) == 0)
{
positionChoices = new Tuple <PopupStyles, Rect>[]
{
new Tuple <PopupStyles, Rect>(_style, spanRectInScreenCoordinates),
new Tuple <PopupStyles, Rect>(_style, spanRectWithBufferInScreenCoordinates),
new Tuple <PopupStyles, Rect>(_style, reservedRect),
new Tuple <PopupStyles, Rect>(alternateStyle, spanRectInScreenCoordinates),
new Tuple <PopupStyles, Rect>(alternateStyle, spanRectWithBufferInScreenCoordinates),
new Tuple <PopupStyles, Rect>(alternateStyle, reservedRect),
};
}
else
{
positionChoices = new Tuple <PopupStyles, Rect>[]
{
new Tuple <PopupStyles, Rect>(_style, spanRectInScreenCoordinates),
new Tuple <PopupStyles, Rect>(_style, spanRectWithBufferInScreenCoordinates),
new Tuple <PopupStyles, Rect>(alternateStyle, spanRectInScreenCoordinates),
new Tuple <PopupStyles, Rect>(alternateStyle, spanRectWithBufferInScreenCoordinates),
new Tuple <PopupStyles, Rect>(_style, reservedRect),
new Tuple <PopupStyles, Rect>(alternateStyle, reservedRect),
};
}
}
else
{
positionChoices = new Tuple <PopupStyles, Rect>[]
{
new Tuple <PopupStyles, Rect>(_style, spanRectInScreenCoordinates),
new Tuple <PopupStyles, Rect>(_style, spanRectWithBufferInScreenCoordinates),
new Tuple <PopupStyles, Rect>(alternateStyle, spanRectInScreenCoordinates),
new Tuple <PopupStyles, Rect>(alternateStyle, spanRectWithBufferInScreenCoordinates),
};
}
Rect location = default;
foreach (var choice in positionChoices)
{
Rect locationToTry = GetLocation(choice.Item1, desiredSize, spanRectInScreenCoordinates, choice.Item2, screenRect);
if (DisjointWithPadding(reservedSpace, locationToTry) && ContainsWithPadding(screenRect, locationToTry))
{
location = locationToTry;
_style = choice.Item1;
break;
}
}
// If we couldn't locate a place to live, tell the manager we want to go away.
if (location == default)
{
return(null);
}
if (!_popup.IsVisible)
{
this.RegisterForEvents();
}
_popup.DisplayAt(location.TopLeft);
GeometryGroup requestedSpace = new GeometryGroup();
requestedSpace.Children.Add(new RectangleGeometry(FromXwtRect(spanRectInScreenCoordinates)));
requestedSpace.Children.Add(new RectangleGeometry(FromXwtRect(location)));
return(requestedSpace);
}
}
//The text associated with the popup visualSpan is not visible: tell the manager we want to go away.
return(null);
}
void DrawPopover(Context ctx)
{
lock (trackerLock)
{
if (actualTrackerHitResult != null)
{
var trackerSettings = DefaultTrackerSettings;
if (actualTrackerHitResult.Series != null && !string.IsNullOrEmpty(actualTrackerHitResult.Series.TrackerKey))
trackerSettings = trackerDefinitions[actualTrackerHitResult.Series.TrackerKey];
if (trackerSettings.Enabled)
{
var extents = actualTrackerHitResult.LineExtents;
if (Math.Abs(extents.Width) < double.Epsilon)
{
extents = new OxyRect(actualTrackerHitResult.XAxis.ScreenMin.X, extents.Top, actualTrackerHitResult.XAxis.ScreenMax.X - actualTrackerHitResult.XAxis.ScreenMin.X, extents.Height);
}
if (Math.Abs(extents.Height) < double.Epsilon)
{
extents = new OxyRect(extents.Left, actualTrackerHitResult.YAxis.ScreenMin.Y, extents.Width, actualTrackerHitResult.YAxis.ScreenMax.Y - actualTrackerHitResult.YAxis.ScreenMin.Y);
}
var pos = actualTrackerHitResult.Position;
if (trackerSettings.HorizontalLineVisible)
{
renderContext.DrawLine(
new[] { new ScreenPoint(extents.Left, pos.Y), new ScreenPoint(extents.Right, pos.Y) },
trackerSettings.HorizontalLineColor,
trackerSettings.HorizontalLineWidth,
trackerSettings.HorizontalLineActualDashArray,
LineJoin.Miter,
true);
}
if (trackerSettings.VerticalLineVisible)
{
renderContext.DrawLine(
new[] { new ScreenPoint(pos.X, extents.Top), new ScreenPoint(pos.X, extents.Bottom) },
trackerSettings.VerticalLineColor,
trackerSettings.VerticalLineWidth,
trackerSettings.VerticalLineActualDashArray,
LineJoin.Miter,
true);
}
TextLayout text = new TextLayout();
text.Font = trackerSettings.Font;
text.Text = actualTrackerHitResult.Text;
var arrowTop = actualTrackerHitResult.Position.Y <= Bounds.Height / 2;
const int arrowPadding = 10;
var textSize = text.GetSize();
var outerSize = new Size(textSize.Width + (trackerSettings.Padding * 2),
textSize.Height + (trackerSettings.Padding * 2) + arrowPadding);
var trackerBounds = new Rectangle(pos.X - (outerSize.Width / 2),
0,
outerSize.Width,
outerSize.Height - arrowPadding);
if (arrowTop)
trackerBounds.Y = pos.Y + arrowPadding + trackerSettings.BorderWidth;
else
trackerBounds.Y = pos.Y - outerSize.Height - trackerSettings.BorderWidth;
var borderColor = trackerSettings.BorderColor.ToXwtColor();
ctx.RoundRectangle(trackerBounds, 6);
ctx.SetLineWidth(trackerSettings.BorderWidth);
ctx.SetColor(borderColor);
ctx.StrokePreserve();
ctx.SetColor(trackerSettings.Background.ToXwtColor());
ctx.Fill();
ctx.Save();
var arrowX = trackerBounds.Center.X;
var arrowY = arrowTop ? trackerBounds.Top : trackerBounds.Bottom;
ctx.NewPath();
ctx.MoveTo(arrowX, arrowY);
var triangleSide = 2 * arrowPadding / Math.Sqrt(3);
var halfSide = triangleSide / 2;
var verticalModifier = arrowTop ? -1 : 1;
ctx.RelMoveTo(-halfSide, 0);
ctx.RelLineTo(halfSide, verticalModifier * arrowPadding);
ctx.RelLineTo(halfSide, verticalModifier * -arrowPadding);
ctx.SetColor(borderColor);
ctx.StrokePreserve();
ctx.ClosePath();
ctx.SetColor(trackerSettings.Background.ToXwtColor());
ctx.Fill();
ctx.Restore();
ctx.SetColor(trackerSettings.TextColor.ToXwtColor());
ctx.DrawTextLayout(text,
trackerBounds.Left + trackerSettings.Padding,
trackerBounds.Top + trackerSettings.Padding);
}
}
}
}
/// <summary>
/// Update the cache contents, reallocating the cache if necessary
/// </summary>
void UpdateCache()
{
if (Bounds.Size == Size.Zero)
return;
// reallocate cache if Bounds have changed
if (cacheSize != Bounds.Size) {
//if (cache != null)
// cache.Dispose ();
//if (ib != null)
// ib.Dispose ();
cacheSize = Bounds.Size;
ib = new ImageBuilder (Bounds.Width, Bounds.Height);
}
// Clear cache to Canvas Background colour
ib.Context.SetColor (BackgroundColor);
ib.Context.Rectangle (Bounds);
ib.Context.Fill ();
// Draw into cache
OnDrawCache (ib.Context, Bounds);
cache = ib.ToBitmap ();
}
/// <summary>
/// Calculates the preferred size of each cell (either height or width, depending on the provided orientation)
/// </summary>
/// <param name="mode">Mode.</param>
/// <param name="orientation">Wether we are calculating the vertical size or the horizontal size</param>
/// <param name="visibleChildren">List of children that are visible, and for which the size is being calculated.</param>
/// <param name="fixedSizesByCell">Cells which have a fixed size</param>
/// <param name="cellsWithExpand">Cells which are expandable.</param>
/// <param name="sizes">Calculated size of each cell</param>
/// <param name="spacing">Spacing to use for each cell</param>
CellSizeVector CalcPreferredCellSizes(TablePlacement[] visibleChildren, Size[] childrenSizes, Orientation orientation)
{
Dictionary<int,double> fixedSizesByCell;
HashSet<int> cellsWithExpand;
double[] sizes;
double spacing;
int lastCell = 0;
fixedSizesByCell = new Dictionary<int, double> ();
cellsWithExpand = new HashSet<int> ();
HashSet<int> cellsWithWidget = new HashSet<int> ();
sizes = new double [visibleChildren.Length];
// Get the size of each widget and store the fixed sizes for widgets which don't span more than one cell
for (int n=0; n<visibleChildren.Length; n++) {
var bp = visibleChildren[n];
int start = GetStartAttach (bp, orientation);
int end = GetEndAttach (bp, orientation);
if (end > lastCell)
lastCell = end;
// Check if the cell is expandable and store the value
bool expand = bp.GetExpandsForOrientation (orientation);
for (int i=start; i < end; i++) {
cellsWithWidget.Add (i);
if (expand)
cellsWithExpand.Add (i);
}
double s = orientation == Orientation.Vertical ? childrenSizes[n].Height : childrenSizes[n].Width;
sizes [n] = s;
if (end == start + 1) {
// The widget only takes one cell. Store its size if it is the biggest
bool changed = false;
double fs;
if (!fixedSizesByCell.TryGetValue (start, out fs))
changed = true;
if (s > fs) {
fs = s;
changed = true;
}
if (changed)
fixedSizesByCell [start] = fs;
}
}
// For widgets that span more than one cell, calculate the floating size, that is, the size
// which is not taken by other fixed size widgets
List<TablePlacement> widgetsToAdjust = new List<TablePlacement> ();
Dictionary<TablePlacement,double[]> growSizes = new Dictionary<TablePlacement, double[]> ();
for (int n=0; n<visibleChildren.Length; n++) {
var bp = visibleChildren[n];
int start = GetStartAttach (bp, orientation);
int end = GetEndAttach (bp, orientation);
if (end == start + 1)
continue;
widgetsToAdjust.Add (bp);
double fixedSize = 0;
// We are going to calculate the spacing included in the widget's span of cells
// (there is spacing between each cell)
double spanSpacing = 0;
for (int c = start; c < end; c++) {
double fs;
fixedSizesByCell.TryGetValue (c, out fs);
fixedSize += fs;
if (c != start && c != end)
spanSpacing += GetSpacing (c, orientation);
}
// sizeToGrow is the size that the whole cell span has to grow in order to fit
// this widget. We substract the spacing between cells because that space will
// be used by the widget, so we don't need to allocate more size for it
double sizeToGrow = sizes [n] - fixedSize - spanSpacing;
double sizeToGrowPart = sizeToGrow / (end - start);
// Split the size to grow between the cells of the widget. We need to know how much size the widget
// requires for each cell it covers.
double[] widgetGrowSizes = new double [end - start];
for (int i=0; i<widgetGrowSizes.Length; i++)
widgetGrowSizes [i] = sizeToGrowPart;
growSizes[bp] = widgetGrowSizes;
}
// Now size-to-grow values have to be adjusted. For example, let's say widget A requires 100px for column 1 and 100px for column 2, and widget B requires
// 60px for column 2 and 60px for column 3. So the widgets are overlapping at column 2. Since A requires at least 100px in column 2, it means that B can assume
// that it will have 100px available in column 2, which means 40px more than it requested. Those extra 40px can then be substracted from the 60px that
// it required for column 3.
foreach (var n in cellsWithWidget) {
double maxv = 0;
TablePlacement maxtNatural = null;
// Find the widget that requires the maximum size for this cell
foreach (var bp in widgetsToAdjust) {
// could be expressed as where clause, but this is faster and performance matters here
if (GetStartAttach (bp, orientation) <= n && GetEndAttach (bp, orientation) > n) {
double cv = growSizes[bp][n - GetStartAttach (bp, orientation)];
if (cv > maxv) {
maxv = cv;
maxtNatural = bp;
}
}
}
// Adjust the required size of all widgets of the cell (excluding the widget with the max size)
foreach (var bp in widgetsToAdjust) {
if (GetStartAttach (bp, orientation) <= n && GetEndAttach (bp, orientation) > n) {
double[] widgetGrows = growSizes[bp];
int cellIndex = n - GetStartAttach (bp, orientation);
if (bp != maxtNatural) {
double cv = widgetGrows[cellIndex];
double splitExtraSpace = (maxv - cv) / (widgetGrows.Length - 1);
for (int i=0; i<widgetGrows.Length; i++)
widgetGrows[i] -= splitExtraSpace;
}
}
}
}
// Find the maximum size-to-grow for each cell
Dictionary<int,double> finalGrowTable = new Dictionary<int, double> ();
foreach (var bp in widgetsToAdjust) {
int start = GetStartAttach (bp, orientation);
int end = GetEndAttach (bp, orientation);
double[] widgetGrows = growSizes[bp];
for (int n=start; n<end; n++) {
double curGrow;
finalGrowTable.TryGetValue (n, out curGrow);
var val = widgetGrows [n - start];
if (val > curGrow)
curGrow = val;
finalGrowTable [n] = curGrow;
}
}
// Add the final size-to-grow to the fixed sizes calculated at the begining
foreach (var it in finalGrowTable) {
double ws;
fixedSizesByCell.TryGetValue (it.Key, out ws);
fixedSizesByCell [it.Key] = it.Value + ws;
}
spacing = 0;
for (int n=1; n<lastCell; n++) {
if (cellsWithWidget.Contains (n))
spacing += GetSpacing (n, orientation);
}
return new CellSizeVector () {
visibleChildren = visibleChildren,
fixedSizesByCell = fixedSizesByCell,
cellsWithExpand = cellsWithExpand,
sizes = sizes,
spacing = spacing,
orientation = orientation
};
}
/// <summary>
/// Draws the arrow on a plot surface.
/// </summary>
/// <param name="ctx">the Drawing Context with which to draw</param>
/// <param name="xAxis">The X-Axis to draw against.</param>
/// <param name="yAxis">The Y-Axis to draw against.</param>
public void Draw(Context ctx, PhysicalAxis xAxis, PhysicalAxis yAxis )
{
if (To.X > xAxis.Axis.WorldMax || To.X < xAxis.Axis.WorldMin) {
return;
}
if (To.Y > yAxis.Axis.WorldMax || To.Y < yAxis.Axis.WorldMin) {
return;
}
ctx.Save ();
TextLayout layout = new TextLayout ();
layout.Font = textFont_;
layout.Text = text_;
double angle = angle_;
if (angle_ < 0.0) {
int mul = -(int)(angle_ / 360.0) + 2;
angle = angle_ + 360.0 * (double)mul;
}
double normAngle = (double)angle % 360.0; // angle in range 0 -> 360.
Point toPoint = new Point (
xAxis.WorldToPhysical (to_.X, true).X,
yAxis.WorldToPhysical (to_.Y, true).Y);
double xDir = Math.Cos (normAngle * 2.0 * Math.PI / 360.0);
double yDir = Math.Sin (normAngle * 2.0 * Math.PI / 360.0);
toPoint.X += xDir*headOffset_;
toPoint.Y += yDir*headOffset_;
double xOff = physicalLength_ * xDir;
double yOff = physicalLength_ * yDir;
Point fromPoint = new Point(
(int)(toPoint.X + xOff),
(int)(toPoint.Y + yOff) );
ctx.SetLineWidth (1);
ctx.SetColor (arrowColor_);
ctx.MoveTo (fromPoint);
ctx.LineTo (toPoint);
ctx.Stroke ();
xOff = headSize_ * Math.Cos ((normAngle-headAngle_/2) * 2.0 * Math.PI / 360.0);
yOff = headSize_ * Math.Sin ((normAngle-headAngle_/2) * 2.0 * Math.PI / 360.0);
ctx.LineTo (toPoint.X + xOff, toPoint.Y + yOff);
double xOff2 = headSize_ * Math.Cos ((normAngle+headAngle_/2) * 2.0 * Math.PI / 360.0);
double yOff2 = headSize_ * Math.Sin ((normAngle+headAngle_/2) * 2.0 * Math.PI / 360.0);
ctx.LineTo (toPoint.X + xOff2, toPoint.Y + yOff2);
ctx.LineTo (toPoint);
ctx.ClosePath ();
ctx.SetColor (arrowColor_);
ctx.Fill ();
Size textSize = layout.GetSize ();
Size halfSize = new Size (textSize.Width/2, textSize.Height/2);
double quadrantSlideLength = halfSize.Width + halfSize.Height;
double quadrantD = normAngle / 90.0; // integer part gives quadrant.
int quadrant = (int)quadrantD; // quadrant in.
double prop = quadrantD - (double)quadrant; // proportion of way through this qadrant.
double dist = prop * quadrantSlideLength; // distance along quarter of bounds rectangle.
// now find the offset from the middle of the text box that the
// rear end of the arrow should end at (reverse this to get position
// of text box with respect to rear end of arrow).
//
// There is almost certainly an elgant way of doing this involving
// trig functions to get all the signs right, but I'm about ready to
// drop off to sleep at the moment, so this blatent method will have
// to do.
Point offsetFromMiddle = new Point (0, 0);
switch (quadrant) {
case 0:
if (dist > halfSize.Height) {
dist -= halfSize.Height;
offsetFromMiddle = new Point ( -halfSize.Width + dist, halfSize.Height );
}
else {
offsetFromMiddle = new Point ( -halfSize.Width, - dist );
}
break;
case 1:
if (dist > halfSize.Width) {
dist -= halfSize.Width;
offsetFromMiddle = new Point ( halfSize.Width, halfSize.Height - dist );
}
else {
offsetFromMiddle = new Point ( dist, halfSize.Height );
}
break;
case 2:
if (dist > halfSize.Height) {
dist -= halfSize.Height;
offsetFromMiddle = new Point ( halfSize.Width - dist, -halfSize.Height );
}
else {
offsetFromMiddle = new Point ( halfSize.Width, -dist );
}
break;
case 3:
if (dist > halfSize.Width) {
dist -= halfSize.Width;
offsetFromMiddle = new Point ( -halfSize.Width, -halfSize.Height + dist );
}
else {
offsetFromMiddle = new Point ( -dist, -halfSize.Height );
}
break;
default:
throw new XwPlotException( "Programmer error." );
}
ctx.SetColor (textColor_);
double x = fromPoint.X - halfSize.Width - offsetFromMiddle.X;
double y = fromPoint.Y - halfSize.Height + offsetFromMiddle.Y;
ctx.DrawTextLayout (layout, x, y);
ctx.Restore ();
}
public Point(Size sz)
: this()
{
this.X = sz.Width;
this.Y = sz.Height;
}
/// <summary>
/// Change the shown image to a size that fits in the provided size limits
/// </summary>
/// <param name="s">Max width and height</param>
public void WithBoxSize(Size s)
{
if (image != null) {
image = image.WithBoxSize(s);
if (!IsThumbnail) {
scan.RequestedBitmapSize = image.Size;
}
if (mask != null) {
MaskImage = mask.WithBoxSize(s);
}
QueueDraw();
}
}
public TScan(float[] data, Xwt.Size size, bool multipleUsage = false)
{
rawData = data;
explicitSize = size;
this.multipleUsage = multipleUsage;
}
public SimpleBox(double coreSize)
{
Color = new Color (0.5, 0.5, 1);
this.coreSize = new Size (coreSize, coreSize);
MinWidth = MinHeight = coreSize + margin * 2;
}
/// <summary>
/// Get the in/out-marker at a given position.
/// </summary>
/// <returns>The marker description and their position.</returns>
/// <param name="position">Position.</param>
/// <param name="inflate">Inflate search region.</param>
MarkerNode GetInOutMarkerAt(Point position, Size? inflate = null)
{
foreach (PipelineNode pNode in nodes) {
foreach (MarkerNode mNode in pNode.mNodes) {
if (mNode.Bounds.Inflate(inflate ?? Size.Zero).Contains(position)) {
return mNode;
}
}
}
return null;
}
public SimpleBox(double coreSize)
{
Color = new Color (0.5, 0.5, 1);
this.coreSize = new Size (coreSize, coreSize);
MinSize = new Size (coreSize + margin * 2, coreSize + margin * 2);
}
void DrawGradientButton(Xwt.Drawing.Context G, GradientButton B)
{
DrawingPath P = new DrawingPath();
P.Rectangle(new Xwt.Rectangle(B.Position, B.Size));
LinearGradient gr;
G.AppendPath(P);
Pattern pat = gr = new LinearGradient(B.Position.X, B.Position.Y, B.Position.X + B.Size.Width, B.Position.Y + B.Size.Height);
gr.AddColorStop(0, B.Color.BlendWith(Colors.White, 0.8));
gr.AddColorStop(0.5, B.Color);
gr.AddColorStop(1, B.Color.BlendWith(Colors.White, 0.8));
G.Pattern = pat;
G.Fill();
G.AppendPath(P);
G.SetColor(Xwt.Drawing.Colors.Black);
G.SetLineWidth(1);
G.Stroke();
TextLayout L = new TextLayout()
{
Font = B.Font,
Text = B.Text
};
Size TextSize = new Size(0.6 * L.Font.Size * L.Text.Count(), L.Font.Size);
G.DrawTextLayout(L, new Xwt.Point(B.Position.X + B.Size.Width / 2 - TextSize.Width / 2, B.Position.Y + B.Size.Height / 2 - TextSize.Height / 2));
}
public CustomCell ()
{
Size = new Size (200, 10);
}
/// <summary>
/// Initializes the user inferface
/// </summary>
private void InitializeUI()
{
// restore last window size and location
Location = new Point(
Settings.Default.WindowLocationX,
Settings.Default.WindowLocationY
);
Size = new Size(
Settings.Default.WindowSizeWidth,
Settings.Default.WindowSizeHeight
);
// set window preference
Title = "BAIMP";
// file menu
var fileMenu = new MenuItem("_File");
fileMenu.SubMenu = new Menu();
MenuItem menuNew = new MenuItem("_New...");
menuNew.Clicked += (object sender, EventArgs e) => project.NewDialog();
fileMenu.SubMenu.Items.Add(menuNew);
MenuItem menuOpen = new MenuItem("_Open...");
menuOpen.Clicked += delegate {
if (!project.OpenDialog() && !string.IsNullOrEmpty(project.ErrorMessage)) {
MessageDialog.ShowMessage ("Error while opening the file", project.ErrorMessage);
project.ErrorMessage = null;
}
};
fileMenu.SubMenu.Items.Add(menuOpen);
if (Settings.Default.LastOpenedProjects != null) {
MenuItem menuLastOpened = new MenuItem("Recently opened");
menuLastOpened.SubMenu = new Menu();
fileMenu.SubMenu.Items.Add(menuLastOpened);
for (int i = Settings.Default.LastOpenedProjects.Count-1; i >= 0; i--) {
string path = Settings.Default.LastOpenedProjects[i];
MenuItem menuLastOpenedi = new MenuItem(path);
menuLastOpenedi.Clicked += delegate(object sender, EventArgs e) {
if (!project.Open(path) && !string.IsNullOrEmpty(project.ErrorMessage)) {
MessageDialog.ShowMessage ("Error while opening the file", project.ErrorMessage);
project.ErrorMessage = null;
}
};
menuLastOpened.SubMenu.Items.Add(menuLastOpenedi);
}
}
fileMenu.SubMenu.Items.Add(new SeparatorMenuItem());
MenuItem menuImport = new MenuItem("_Import...");
menuImport.Clicked += (object sender, EventArgs e) => project.ImportDialog();
fileMenu.SubMenu.Items.Add(menuImport);
MenuItem menuSave = new MenuItem("_Save");
menuSave.Clicked += (object sender, EventArgs e) => SaveAll();
fileMenu.SubMenu.Items.Add(menuSave);
fileMenu.SubMenu.Items.Add(new SeparatorMenuItem());
MenuItem menuClose = new MenuItem("_Exit");
menuClose.Clicked += (object sender, EventArgs e) => Close();
fileMenu.SubMenu.Items.Add(menuClose);
// View menu
MenuItem viewMenu = new MenuItem("_View");
viewMenu.SubMenu = new Menu();
RadioButtonMenuItemGroup viewRadioGroup = new RadioButtonMenuItemGroup();
RadioButtonMenuItem menuViewOverview = new RadioButtonMenuItem("Overview");
menuViewOverview.Checked = true;
menuViewOverview.Group = viewRadioGroup;
viewMenu.SubMenu.Items.Add(menuViewOverview);
RadioButtonMenuItem menuViewPipeline = new RadioButtonMenuItem("Pipeline");
menuViewPipeline.Group = menuViewOverview.Group;
viewMenu.SubMenu.Items.Add(menuViewPipeline);
menuViewOverview.Clicked += delegate {
splitMain_Status.Remove(pipelineShelf);
splitScan_Pipeline.Panel2.Content = pipelineShelf;
splitMain_Status.PackStart(splitScan_Pipeline, true, true);
};
menuViewPipeline.Clicked += delegate {
splitScan_Pipeline.Panel2.Content = null;
splitMain_Status.Remove(splitScan_Pipeline);
splitMain_Status.PackStart(pipelineShelf, true, true);
};
// Edit menu
MenuItem editMenu = new MenuItem("_Edit");
editMenu.SubMenu = new Menu();
MenuItem menuWorksheetRename = new MenuItem("_Rename worksheet...");
editMenu.SubMenu.Items.Add(menuWorksheetRename);
menuWorksheetRename.Clicked += (object sender, EventArgs e) => pipelineController.RenameCurrentWorksheetDialog();
// Pipeline menu
MenuItem pipelineMenu = new MenuItem("_Pipeline");
pipelineMenu.SubMenu = new Menu();
MenuItem menuExecute = new MenuItem("_Execute");
menuExecute.Clicked += (object sender, EventArgs e) => pipelineController.CurrentPipeline.Execute(project);
pipelineMenu.SubMenu.Items.Add(menuExecute);
pipelineMenu.SubMenu.Items.Add(new SeparatorMenuItem());
MenuItem menuExport = new MenuItem("Export");
menuExport.SubMenu = new Menu();
pipelineMenu.SubMenu.Items.Add(menuExport);
Type exporterType = typeof(BaseExporter);
IEnumerable<Type> exporter = AppDomain.CurrentDomain.GetAssemblies()
.SelectMany(s => s.GetTypes())
.Where(t => t.BaseType == exporterType);
foreach (Type export in exporter) {
MenuItem ni = new MenuItem(string.Format("As {0}...", export.Name));
ni.Tag = export.Name;
menuExport.SubMenu.Items.Add(ni);
var lExport = export;
ni.Clicked += delegate(object sender, EventArgs e) {
MenuItem s = sender as MenuItem;
if (s != null) {
if (exporterList.ContainsKey(s.Tag.ToString())) {
exporterList[s.Tag.ToString()].ShowDialog(pipelineController.CurrentPipeline.Nodes);
} else {
BaseExporter instance =
Activator.CreateInstance(lExport, pipelineController.CurrentPipeline.PipelineName) as BaseExporter;
if (instance != null) {
exporterList[s.Tag.ToString()] = instance;
instance.ShowDialog(pipelineController.CurrentPipeline.Nodes);
}
}
}
};
}
// Extras menu
MenuItem extrasMenu = new MenuItem("E_xtras");
extrasMenu.SubMenu = new Menu();
MenuItem menuResetAllMasks = new MenuItem("_Reset all masks");
menuResetAllMasks.Clicked += delegate {
foreach (BaseScan scan in project.scanCollection) {
scan.Mask.ResetMask();
}
};
MenuItem menuExportLog = new MenuItem("Export _logs");
menuExportLog.Clicked += delegate {
SaveFileDialog d = new SaveFileDialog("Export logs");
if (d.Run()) {
string filename = d.FileName;
if (!string.IsNullOrEmpty(filename)) {
System.IO.File.WriteAllText(filename, Log.ToText());
}
}
d.Dispose();
};
extrasMenu.SubMenu.Items.Add(menuResetAllMasks);
extrasMenu.SubMenu.Items.Add(menuExportLog);
// main menu
Menu menu = new Menu();
menu.Items.Add(fileMenu);
menu.Items.Add(viewMenu);
menu.Items.Add(editMenu);
menu.Items.Add(pipelineMenu);
menu.Items.Add(extrasMenu);
MainMenu = menu;
// initialize preview widget
preview = new Preview();
// load tree view with all available files
fileTree = new FileTreeView();
VBox splitFileTreeSearch_FileTree = new VBox();
splitFileTreeSearch_FileTree.PackStart(new FileTreeFilter(fileTree));
splitFileTreeSearch_FileTree.PackStart(fileTree, true);
// load pipeline controller
pipelineShelf = new VBox();
pipelineController = new PipelineController(project, pipelineShelf);
splitFiletree_Preview = new HPaned();
splitFiletree_Preview.Panel1.Content = splitFileTreeSearch_FileTree;
splitFiletree_Preview.Panel1.Shrink = true;
fileTree.HorizontalScrollPolicy = ScrollPolicy.Never;
splitFiletree_Preview.Panel2.Content = preview;
splitFiletree_Preview.Panel2.Resize = true;
splitController_Preview = new VBox();
//splitController_Preview.PackStart(controllbarShelf, false, false);
splitController_Preview.PackEnd(splitFiletree_Preview, true, true);
splitScan_Pipeline = new VPaned();
splitScan_Pipeline.Panel1.Content = splitController_Preview;
splitScan_Pipeline.Panel2.Content = pipelineShelf;
splitScan_Pipeline.Panel2.Resize = true;
splitMain_Status = new VBox();
splitMain_Status.PackStart(splitScan_Pipeline, true, true);
splitMain_Status.PackEnd(new StatusBar());
Content = splitMain_Status;
}
/// <summary>
/// Creates a BitmapImage from a tile repeated in each direction as required
/// </summary>
/// <param name="tile">Bitmap image to tile</param>
/// <param name="final">final image size</param>
/// <returns>the tiled image</returns>
public static BitmapImage TiledImage(BitmapImage tile, Size final)
{
BitmapImage tiled = null;
using (ImageBuilder ib = new ImageBuilder (final.Width, final.Height)) {
using (Context ctx = ib.Context) {
double w = tile.Size.Width;
double h = tile.Size.Height;
for (double x = 0; x < final.Width; x += w) {
for (double y = 0; y < final.Height; y += h) {
ctx.DrawImage (tile, x, y);
}
}
}
tiled = ib.ToBitmap ();
}
return tiled;
}
public Rectangle(Point loc, Size sz)
: this(loc.X, loc.Y, sz.Width, sz.Height)
{
}
// Get the preferred size of each child widget, including the margins
Size[] GetPreferredChildrenSizes(TablePlacement[] visibleChildren, bool useWidthConstraint, bool useHeightConstraint)
{
var sizes = new Size [visibleChildren.Length];
for (int n=0; n<visibleChildren.Length; n++) {
var bp = visibleChildren[n];
Size s;
if (useWidthConstraint)
s = bp.GetPreferredSize (bp.NextWidth - bp.LeftMargin - bp.RightMargin, double.PositiveInfinity);
else if (useHeightConstraint)
s = bp.GetPreferredSize (double.PositiveInfinity, bp.NextHeight - bp.TopMargin - bp.BottomMargin);
else
s = bp.GetPreferredSize (double.PositiveInfinity, double.PositiveInfinity);
s.Width += bp.LeftMargin + bp.RightMargin;
s.Height += bp.TopMargin + bp.BottomMargin;
sizes [n] = s;
}
return sizes;
}
/// <summary>
/// Creates a BitmapImage from a tile repeated in each direction as required
/// </summary>
/// <param name="tile">Bitmap image to tile</param>
/// <param name="final">final image size</param>
/// <returns>the tiled image</returns>
/// <remarks>
/// For correct drawing, the tile and final images MUST have integer sizes
/// </remarks>
public static BitmapImage TiledImage(BitmapImage tile, Size final)
{
BitmapImage tiled = null;
Rectangle src, dest;
// Trim tile and final images to integer dimensions
double tileWidth = Math.Truncate (tile.Size.Width);
double tileHeight = Math.Truncate (tile.Size.Height);
double finalWidth = Math.Truncate (final.Width);
double finalHeight = Math.Truncate (final.Height);
src = new Rectangle (0, 0, tileWidth, tileHeight); // Initial size for source tile
using (ImageBuilder ib = new ImageBuilder (finalWidth, finalHeight)) {
using (Context ctx = ib.Context) {
double dh = tileHeight;
double y = 0;
while (y < finalHeight) {
// allow for part-height tile at end
if (tileHeight > (finalHeight - y)) {
dh = (finalHeight - y);
src.Height = dh;
}
double dw = tileWidth;
double x = 0;
src.Width = dw = tileWidth; // reset source Width for each X loop
while (x < finalWidth) {
// allow for part-width tile at end
if (tileWidth > (finalWidth - x)) {
dw = (finalWidth - x);
src.Width = dw;
}
dest = new Rectangle (x, y, dw, dh);
ctx.DrawImage (tile, src, dest);
x += tileWidth;
}
y += tileHeight;
}
}
tiled = ib.ToBitmap ();
}
return tiled;
}
Point GetPackageImageLocation (Size imageSize, Rectangle cellArea)
{
double width = (packageImageAreaWidth - imageSize.Width) / 2;
double height = (cellArea.Height - imageSize.Height - packageImagePadding.Bottom) / 2;
return new Point (width, height);
}
// Inflate and Offset
public Rectangle Inflate(Size sz)
{
return Inflate (sz.Width, sz.Height);
}