protected virtual Size OnGetRequiredSize(SizeConstraint widthConstraint)
{
#pragma warning disable 618
return(OnGetRequiredSize());
#pragma warning restore 618
}
protected override Size OnGetPreferredSize(SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
if (child != null)
{
var s = new Size(child.Margin.HorizontalSpacing + Padding.HorizontalSpacing, child.Margin.VerticalSpacing + Padding.VerticalSpacing);
if (widthConstraint.IsConstrained)
{
widthConstraint = widthConstraint.AvailableSize - s.Width;
if (widthConstraint.AvailableSize <= 0)
{
return(s);
}
}
if (heightConstraint.IsConstrained)
{
heightConstraint = heightConstraint.AvailableSize - child.Margin.VerticalSpacing - Padding.VerticalSpacing;
if (heightConstraint.AvailableSize <= 0)
{
return(s);
}
}
return(s + child.Surface.GetPreferredSize(widthConstraint, heightConstraint));
}
else
{
return(new Size(Padding.HorizontalSpacing, Padding.VerticalSpacing));
}
}
// 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.Child.Surface.GetPreferredSize(SizeConstraint.WithSize(bp.NextWidth - bp.Child.Margin.HorizontalSpacing), SizeConstraint.Unconstrained);
}
else if (useHeightConstraint)
{
s = bp.Child.Surface.GetPreferredSize(SizeConstraint.Unconstrained, SizeConstraint.WithSize(bp.NextHeight - bp.Child.Margin.VerticalSpacing));
}
else
{
s = bp.Child.Surface.GetPreferredSize(SizeConstraint.Unconstrained, SizeConstraint.Unconstrained);
}
s.Width += bp.Child.Margin.HorizontalSpacing;
s.Height += bp.Child.Margin.VerticalSpacing;
sizes [n] = s;
}
return(sizes);
}
protected override Size OnGetPreferredSize(SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
var wc = widthConstraint.IsConstrained ? widthConstraint.AvailableSize : double.PositiveInfinity;
var hc = heightConstraint.IsConstrained ? heightConstraint.AvailableSize : double.PositiveInfinity;
return(GetPreferredSize(wc, hc));
}
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 CalcDefaultSizes(double width, double height)
{
bool vertical = direction == Orientation.Vertical;
int nexpands = 0;
double requiredSize = 0;
double availableSize = vertical ? height : width;
var widthConstraint = vertical ? SizeConstraint.WithSize(width) : SizeConstraint.Unconstrained;
var heightConstraint = vertical ? SizeConstraint.Unconstrained : SizeConstraint.WithSize(height);
var visibleChildren = children.Where(b => b.Child.Visible).ToArray();
var sizes = new Dictionary <BoxPlacement, double> ();
// Get the natural size of each child
foreach (var bp in visibleChildren)
{
Size s;
s = bp.Child.Surface.GetPreferredSize(widthConstraint, heightConstraint, true);
bp.NextSize = vertical ? s.Height : s.Width;
sizes [bp] = bp.NextSize;
requiredSize += bp.NextSize;
if (bp.Child.ExpandsForOrientation(direction))
{
nexpands++;
}
}
double remaining = availableSize - requiredSize - (spacing * (double)(visibleChildren.Length - 1));
if (remaining < 0)
{
// The box is not big enough to fit the widgets using its natural size.
// We have to shrink the widgets.
// The total amount we have to shrink
double shrinkSize = -remaining;
var sizePart = new SizeSplitter(shrinkSize, visibleChildren.Length);
foreach (var bp in visibleChildren)
{
bp.NextSize -= sizePart.NextSizePart();
}
}
else
{
var expandRemaining = new SizeSplitter(remaining, nexpands);
foreach (var bp in visibleChildren)
{
if (bp.Child.ExpandsForOrientation(direction))
{
bp.NextSize += expandRemaining.NextSizePart();
}
}
}
}
protected override Size OnGetPreferredSize(SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
Size s = new Size();
int count = 0;
var visibleChildren = children.Where(b => b.Child.Visible).ToArray();
if (direction == Orientation.Horizontal)
{
// If the width is constrained then we have a total width, and we can calculate the exact width assigned to each child.
// We can then use that width as a width constraint for the child.
if (widthConstraint.IsConstrained)
{
CalcDefaultSizes(widthConstraint, heightConstraint, false); // Calculates the width assigned to each child
}
foreach (var cw in visibleChildren)
{
// Use the calculated width if available
var wsize = cw.Child.Surface.GetPreferredSize(widthConstraint.IsConstrained ? cw.NextSize : SizeConstraint.Unconstrained, heightConstraint, true);
s.Width += wsize.Width;
if (wsize.Height > s.Height)
{
s.Height = wsize.Height;
}
count++;
}
if (count > 0)
{
s.Width += spacing * (double)(count - 1);
}
}
else
{
if (heightConstraint.IsConstrained)
{
CalcDefaultSizes(widthConstraint, heightConstraint, false);
}
foreach (var cw in visibleChildren)
{
var wsize = cw.Child.Surface.GetPreferredSize(widthConstraint, heightConstraint.IsConstrained ? cw.NextSize : SizeConstraint.Unconstrained, true);
s.Height += wsize.Height;
if (wsize.Width > s.Width)
{
s.Width = wsize.Width;
}
count++;
}
if (count > 0)
{
s.Height += spacing * (double)(count - 1);
}
}
return(s);
}
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);
}
public static SizeConstraint operator -(SizeConstraint c, double s)
{
if (!c.IsConstrained)
{
return(c);
}
else
{
return(SizeConstraint.WithSize(Math.Max(c.AvailableSize - s, 0)));
}
}
public static SizeConstraint operator +(SizeConstraint c, double s)
{
if (!c.IsConstrained)
{
return(c);
}
else
{
return(SizeConstraint.WithSize(c.AvailableSize + s));
}
}
protected override Size OnGetPreferredSize(SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
//GTK 3 has some trouble setting correct sizes... this fixes it
if (Toolkit.CurrentEngine.Type == ToolkitType.Gtk3)
{
this.WidthRequest = ComputedWidth;
this.HeightRequest = textViewMargin.LineHeight * (editor.Document.LineCount + 1);
}
return new Size(ComputedWidth, textViewMargin.LineHeight * editor.Document.LineCount);
}
// The height of this widget is always half of the width
protected override Size OnGetPreferredSize(SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
if (widthConstraint.IsConstrained)
{
var w = forceSize ? Math.Max(size, widthConstraint.AvailableSize) : widthConstraint.AvailableSize;
return(new Size(w, w / 2));
}
else if (heightConstraint.IsConstrained)
{
var h = forceSize ? Math.Max(size / 2, widthConstraint.AvailableSize) : widthConstraint.AvailableSize;
return(new Size(h * 2, h));
}
return(new Size(size, size / 2));
}
protected override Size OnGetPreferredSize(SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
TablePlacement[] visibleChildren = VisibleChildren();
if (!widthConstraint.IsConstrained && !heightConstraint.IsConstrained)
{
var childrenSizes = GetPreferredChildrenSizes(visibleChildren, false, false);
var w = CalcPreferredCellSizes(visibleChildren, childrenSizes, Orientation.Horizontal);
var h = CalcPreferredCellSizes(visibleChildren, childrenSizes, Orientation.Vertical);
return(new Size(w.TotalSize, h.TotalSize));
}
else if (!widthConstraint.IsConstrained)
{
var childrenSizes = GetPreferredChildrenSizes(visibleChildren, false, false);
var h = CalcPreferredCellSizes(visibleChildren, childrenSizes, Orientation.Vertical);
CalcCellSizes(h, heightConstraint.AvailableSize, false);
childrenSizes = GetPreferredChildrenSizes(visibleChildren, false, true);
var w = CalcPreferredCellSizes(visibleChildren, childrenSizes, Orientation.Horizontal);
return(new Size(w.TotalSize, heightConstraint.AvailableSize));
}
else if (!heightConstraint.IsConstrained)
{
var childrenSizes = GetPreferredChildrenSizes(visibleChildren, false, false);
var w = CalcPreferredCellSizes(visibleChildren, childrenSizes, Orientation.Horizontal);
CalcCellSizes(w, widthConstraint.AvailableSize, false);
childrenSizes = GetPreferredChildrenSizes(visibleChildren, true, false);
var h = CalcPreferredCellSizes(visibleChildren, childrenSizes, Orientation.Vertical);
return(new Size(widthConstraint.AvailableSize, h.TotalSize));
}
else
{
var childrenSizes = GetPreferredChildrenSizes(visibleChildren, false, false);
var width = CalcPreferredCellSizes(visibleChildren, childrenSizes, Orientation.Horizontal);
var height = CalcPreferredCellSizes(visibleChildren, childrenSizes, Orientation.Vertical);
if (width.TotalSize <= widthConstraint.AvailableSize)
{
return(new Size(width.TotalSize, height.TotalSize));
}
CalcCellSizes(width, widthConstraint.AvailableSize, false);
childrenSizes = GetPreferredChildrenSizes(visibleChildren, true, false);
height = CalcPreferredCellSizes(visibleChildren, childrenSizes, Orientation.Vertical);
return(new Size(widthConstraint.AvailableSize, Math.Min(heightConstraint.AvailableSize, height.TotalSize)));
}
}
protected override Size OnGetPreferredSize(SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
if (widthConstraint.IsConstrained)
{
widthConstraint.AvailableSize -= 2 * padding;
}
if (heightConstraint.IsConstrained)
{
heightConstraint.AvailableSize -= 2 * padding;
}
var s = base.OnGetPreferredSize(widthConstraint, heightConstraint);
s.Width += 2 * padding;
s.Height += 2 * padding;
return(s);
}
protected override Size OnGetPreferredSize(SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
Size s = new Size();
int count = 0;
if (direction == Orientation.Horizontal)
{
foreach (var cw in Children.Where(b => b.Visible))
{
var wsize = cw.Surface.GetPreferredSize(SizeConstraint.Unconstrained, heightConstraint, true);
s.Width += wsize.Width;
if (wsize.Height > s.Height)
{
s.Height = wsize.Height;
}
count++;
}
if (count > 0)
{
s.Width += spacing * (double)(count - 1);
}
}
else
{
foreach (var cw in Children.Where(b => b.Visible))
{
var wsize = cw.Surface.GetPreferredSize(widthConstraint, SizeConstraint.Unconstrained, true);
s.Height += wsize.Height;
if (wsize.Width > s.Width)
{
s.Width = wsize.Width;
}
count++;
}
if (count > 0)
{
s.Height += spacing * (double)(count - 1);
}
}
return(s);
}
protected override Size OnGetPreferredSize(SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
return renderedImage[(int) SelectedLogLevel].Size;
}
protected Gtk.Requisition OnGetRequisition (SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
var size = Backend.Frontend.Surface.GetPreferredSize (widthConstraint, heightConstraint, true);
return size.ToGtkRequisition ();
}
protected override Size OnGetPreferredSize (SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
if (parent.CurrentRow == null)
return new Size (20, 100);
var row_bg_bounds = parent.TreeView.GetRowBounds (parent.CurrentRow.CurrentPosition, true);
if (row_bg_bounds == Rectangle.Zero)
return new Size (20, 100);
return new Size (row_bg_bounds.Width, row_bg_bounds.Height);
}
Size ICanvasCellViewFrontend.GetRequiredSize(SizeConstraint widthConstraint)
{
return(OnGetRequiredSize(widthConstraint));
}
protected override Size OnGetPreferredSize (SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
return new Size (size, size);
}
public void SetSizeConstraints(SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
currentWidthConstraint = widthConstraint;
currentHeightConstraint = heightConstraint;
}
public void GetConstraints(Gtk.Widget target, out SizeConstraint width, out SizeConstraint height)
{
if (Parent is IConstraintProvider)
((IConstraintProvider)Parent).GetConstraints (this, out width, out height);
else
width = height = SizeConstraint.Unconstrained;
}
internal Size GetPreferredSize(double width, double height)
{
var wc = double.IsPositiveInfinity(width) ? SizeConstraint.Unconstrained : SizeConstraint.WithSize(width);
var hc = double.IsPositiveInfinity(height) ? SizeConstraint.Unconstrained : SizeConstraint.WithSize(height);
return(Child.Surface.GetPreferredSize(wc, hc));
}
internal override void AdjustSize()
{
if (child == null)
{
return;
}
IWidgetSurface s = child.Surface;
var size = shown ? Size : initialBounds.Size;
var wc = (shown || widthSet) ? SizeConstraint.WithSize(size.Width - padding.HorizontalSpacing) : SizeConstraint.Unconstrained;
var hc = (shown || heightSet) ? SizeConstraint.WithSize(size.Height - padding.VerticalSpacing) : SizeConstraint.Unconstrained;
var ws = s.GetPreferredSize(wc, hc, true);
if (!shown)
{
if (!widthSet)
{
size.Width = ws.Width + padding.HorizontalSpacing;
}
if (!heightSet)
{
size.Height = ws.Height + padding.VerticalSpacing;
}
}
if (ws.Width + padding.HorizontalSpacing > size.Width)
{
size.Width = ws.Width + padding.HorizontalSpacing;
}
if (ws.Height + padding.VerticalSpacing > size.Height)
{
size.Height = ws.Height + padding.VerticalSpacing;
}
size += Backend.ImplicitMinSize;
if (!shown)
{
shown = true;
if (size != Size)
{
if (locationSet)
{
Backend.Bounds = new Rectangle(initialBounds.X, initialBounds.Y, size.Width, size.Height);
}
else
{
Backend.SetSize(size.Width, size.Height);
}
}
else if (locationSet && !shown)
{
Backend.Move(initialBounds.X, initialBounds.Y);
}
Backend.SetMinSize(Backend.ImplicitMinSize + new Size(ws.Width + padding.HorizontalSpacing, ws.Height + padding.VerticalSpacing));
}
else
{
if (size != Size)
{
Backend.SetSize(size.Width, size.Height);
}
}
}
// The height of this widget is always half of the width
protected override Size OnGetPreferredSize (SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
if (widthConstraint.IsConstrained) {
var w = forceSize ? Math.Max (size, widthConstraint.AvailableSize) : widthConstraint.AvailableSize;
return new Size (w, w / 2);
} else if (heightConstraint.IsConstrained) {
var h = forceSize ? Math.Max (size / 2, widthConstraint.AvailableSize) : widthConstraint.AvailableSize;
return new Size (h * 2, h);
}
return new Size (size, size / 2);
}
public virtual Size GetPreferredSize(SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
try {
SetSizeConstraints (widthConstraint, heightConstraint);
gettingPreferredSize = true;
var sr = Widget.SizeRequest ();
return new Size (sr.Width, sr.Height);
} finally {
gettingPreferredSize = false;
}
}
protected override Size OnGetPreferredSize(SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
Size size = text.GetSize();
size.Width += padding.HorizontalSpacing + Lean.Dx + 2;
if (next == null) {
size.Width += Lean.Dx + 2;
}
if (Closeable) {
size.Width += closeNormal.Width;
}
size.Height += padding.VerticalSpacing;
return size;
}
protected override Size OnGetPreferredSize(SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
return bg[0].Size;
}
protected override Size OnGetPreferredSize(SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
return(base.OnGetPreferredSize(widthConstraint, heightConstraint));
}
protected override Size OnGetPreferredSize (SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
var row_bg_bounds = parent.ListView.GetRowBounds (parent.CurrentRow, true);
return new Size (row_bg_bounds.Width, row_bg_bounds.Height);
}
protected override Size OnGetPreferredSize(SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
return(new Size(size, size));
}
internal override void AdjustSize()
{
Size mMinSize, mDecorationsSize;
Backend.GetMetrics(out mMinSize, out mDecorationsSize);
var size = shown ? Size : initialBounds.Size;
var wc = (shown || widthSet) ? SizeConstraint.WithSize(Math.Max(size.Width - padding.HorizontalSpacing - mDecorationsSize.Width, mMinSize.Width)) : SizeConstraint.Unconstrained;
var hc = (shown || heightSet) ? SizeConstraint.WithSize(Math.Max(size.Height - padding.VerticalSpacing - mDecorationsSize.Height, mMinSize.Height)) : SizeConstraint.Unconstrained;
var ws = mDecorationsSize;
if (child != null)
{
IWidgetSurface s = child.Surface;
ws += s.GetPreferredSize(wc, hc, true);
}
ws.Width += padding.HorizontalSpacing;
ws.Height += padding.VerticalSpacing;
if (!shown)
{
if (!widthSet)
{
size.Width = ws.Width;
}
if (!heightSet)
{
size.Height = ws.Height;
}
}
if (ws.Width < mMinSize.Width)
{
ws.Width = mMinSize.Width;
}
if (ws.Height < mMinSize.Height)
{
ws.Height = mMinSize.Height;
}
if (ws.Width > size.Width)
{
size.Width = ws.Width;
}
if (ws.Height > size.Height)
{
size.Height = ws.Height;
}
if (!shown)
{
shown = true;
if (!locationSet && initialLocation != WindowLocation.Manual)
{
Point center;
if (initialLocation == WindowLocation.CenterScreen || TransientFor == null)
{
center = Desktop.PrimaryScreen.VisibleBounds.Center;
}
else
{
center = TransientFor.ScreenBounds.Center;
}
initialBounds.X = Math.Round(center.X - size.Width / 2);
initialBounds.Y = Math.Round(center.Y - size.Height / 2);
locationSet = true;
}
if (size != Size)
{
if (locationSet)
{
Backend.Bounds = new Rectangle(initialBounds.X, initialBounds.Y, size.Width, size.Height);
}
else
{
Backend.SetSize(size.Width, size.Height);
}
}
else if (locationSet && !shown)
{
Backend.Move(initialBounds.X, initialBounds.Y);
}
}
else
{
if (size != Size)
{
Backend.SetSize(size.Width, size.Height);
}
}
Backend.SetMinSize(new Size(ws.Width, ws.Height));
}
protected override Size OnGetPreferredSize(SizeConstraint widthConstraint, SizeConstraint heightConstraint)
{
if (widthConstraint.IsConstrained)
widthConstraint.AvailableSize -= 2 * padding;
if (heightConstraint.IsConstrained)
heightConstraint.AvailableSize -= 2 * padding;
var s = base.OnGetPreferredSize (widthConstraint, heightConstraint);
s.Width += 2 * padding;
s.Height += 2 * padding;
return s;
}
