/// <inheritdoc />
public override void Draw(Rect inRect)
{
// We calculate the overflowed size the children will take
// Only supports x-overflow at the moment
float widthChild = child.CalcWidth(inRect.height);
float heightChild = inRect.height - SCROLL_BAR_WIDTH;
if (widthChild == FLUID)
{
// If the child is width-fluid, we attribute all available space
widthChild = inRect.width;
}
// Create an inner container that will hold the scrollable content
Rect viewRect = new Rect(inRect.xMin, inRect.yMin, widthChild, heightChild);
// Begin scrolling
Widgets.BeginScrollView(inRect, ref scrollPosition, viewRect);
// Draw the contents
child.Draw(viewRect);
// Stop scrolling
Widgets.EndScrollView();
// Invoke the scroll callback
onScroll?.Invoke(scrollPosition);
}
/// <inheritdoc />
public override float CalcWidth(float height)
{
if (IsFluidWidth)
{
return(FLUID);
}
else
{
return(Math.Max(minWidth, child.CalcWidth(height)));
}
}
/// <inheritdoc />
public override void Draw(Rect inRect)
{
// Check if the child is non-fluid and smaller than the allocated space
if (!child.IsFluidWidth && inRect.width > child.CalcWidth(inRect.height))
{
// Draw the child with padding on either side
paddedChild.Draw(inRect);
}
else
{
// Just draw the child, there's no padding to be done here
child.Draw(inRect);
}
}
/// <inheritdoc />
public override void Draw(Rect inRect)
{
// Check if the child is non-fluid and smaller than the allocated space
if (!child.IsFluidWidth && inRect.width > child.CalcWidth(inRect.height))
{
// Create a flex container to hold the child and spacers
HorizontalFlexContainer row = new HorizontalFlexContainer(0f);
// Sandwich the child between two spacers
row.Add(new SpacerWidget());
row.Add(child);
row.Add(new SpacerWidget());
// Draw the container
row.Draw(inRect);
}
else
{
// Just draw the child, there's no padding to be done here
child.Draw(inRect);
}
}
/// <inheritdoc />
public override void Draw(Rect container)
{
// Don't do anything if there's nothing to draw
if (Contents.Count == 0)
{
return;
}
// Get the width taken up by fixed-width elements
float fixedWidth = Contents.Where(item => !item.IsFluidWidth).Sum(item => item.CalcWidth(container.height));
// Divvy out the remaining width to each fluid element
float remainingWidth = container.width - fixedWidth;
remainingWidth -= (Contents.Count - 1) * spacing; // Remove spacing between each element
int fluidItems = Contents.Count(item => item.IsFluidWidth);
float widthPerFluid = remainingWidth / fluidItems;
// Draw each item
float xOffset = 0f;
for (int i = 0; i < Contents.Count; i++)
{
Displayable item = Contents[i];
Rect rect;
// Give fluid items special treatment
if (item.IsFluidWidth)
{
// Give the item a container with a share of the remaining width
rect = new Rect(
x: container.xMin + xOffset,
y: container.yMin,
width: widthPerFluid,
height: container.height
);
}
else
{
// Give the item a container with fixed height and dynamic width
rect = new Rect(
x: container.xMin + xOffset,
y: container.yMin,
width: item.CalcWidth(container.height),
height: container.height
);
}
// Draw the item
item.Draw(rect);
// Increment the x offset by the item's width
xOffset += rect.width;
// Add spacing to the x offset if applicable
if (i < Contents.Count - 1)
{
xOffset += spacing;
}
}
}
