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Make tabs wrap to available size (#6387)

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pathetic meowmeow
2026-01-18 15:16:44 -05:00
committed by GitHub
parent 52d3376c9e
commit c20343601d
1 changed files with 79 additions and 71 deletions
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150
Robust.Client/UserInterface/Controls/TabContainer.cs
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@@ -22,8 +22,10 @@ namespace Robust.Client.UserInterface.Controls
private int _currentTab;
private bool _tabsVisible = true;
// The right-most coordinate of each tab header
private List<float> _tabRight = new();
// the laid out tabs
private List<TabBox> _tabBoxes = new();
private float _enclosingTabHeight;
public int CurrentTab
{
@@ -146,41 +148,66 @@ namespace Robust.Client.UserInterface.Controls
base.Draw(handle);
// First, draw panel.
var headerSize = _getHeaderSize();
var headerSize = _enclosingTabHeight;
var panel = _getPanel();
var panelBox = new UIBox2(0, headerSize, PixelWidth, PixelHeight);
panel?.Draw(handle, panelBox, UIScale);
var font = _getFont();
var boxActive = _getTabBoxActive();
var boxInactive = _getTabBoxInactive();
var fontColorActive = _getTabFontColorActive();
var fontColorInactive = _getTabFontColorInactive();
var headerOffset = 0f;
// Then draw the tabs
foreach (var tabBox in _tabBoxes)
{
if (tabBox.Box is { } styleBox)
{
styleBox.Draw(handle, tabBox.Bounding, UIScale);
}
_tabRight.Clear();
var baseLine = new Vector2(0, font.GetAscent(UIScale)) + tabBox.Content.TopLeft;
foreach (var rune in tabBox.Title.EnumerateRunes())
{
if (!font.TryGetCharMetrics(rune, UIScale, out var metrics))
continue;
font.DrawChar(handle, rune, baseLine, UIScale, tabBox.Index == _currentTab ? fontColorActive : fontColorInactive);
baseLine += new Vector2(metrics.Advance, 0);
}
}
}
private readonly record struct TabBox(UIBox2 Bounding, UIBox2 Content, StyleBox? Box, string Title, int Index);
private void CalculateTabBoxes(Vector2 availableSize)
{
availableSize *= UIScale;
var tabLeft = 0f;
var tabTop = 0f;
var tabHeight = 0f;
var font = _getFont();
var boxActive = _getTabBoxActive();
var boxInactive = _getTabBoxInactive();
_tabBoxes.Clear();
if (!_tabsVisible)
return;
// Then, draw the tabs.
for (var i = 0; i < ChildCount; i++)
{
if (!GetTabVisible(i))
{
_tabRight.Add(headerOffset);
continue;
}
var title = GetActualTabTitle(i);
var titleLength = 0;
// Get string length.
foreach (var rune in title.EnumerateRunes())
{
if (!font.TryGetCharMetrics(rune, UIScale, out var metrics))
{
continue;
}
titleLength += metrics.Advance;
}
@@ -188,50 +215,57 @@ namespace Robust.Client.UserInterface.Controls
var active = _currentTab == i;
var box = active ? boxActive : boxInactive;
UIBox2 contentBox;
var topLeft = new Vector2(headerOffset, 0);
var topLeft = new Vector2(tabLeft, tabTop);
var size = new Vector2(titleLength, font.GetHeight(UIScale));
float boxAdvance;
if (box != null)
{
var drawBox = box.GetEnvelopBox(topLeft, size, UIScale);
boxAdvance = drawBox.Width;
box.Draw(handle, drawBox, UIScale);
contentBox = box.GetContentBox(drawBox, UIScale);
size = box.GetEnvelopBox(topLeft, size, UIScale).Size;
}
if (tabLeft + size.X > availableSize.X)
{
tabLeft = 0;
tabTop += tabHeight;
tabHeight = 0;
}
topLeft = new(tabLeft, tabTop);
size = new(titleLength, font.GetHeight(UIScale));
UIBox2 boundingBox;
UIBox2 contentBox;
if (box != null)
{
boundingBox = box.GetEnvelopBox(topLeft, size, UIScale);
contentBox = box.GetContentBox(boundingBox, UIScale);
}
else
{
boxAdvance = size.X;
contentBox = UIBox2.FromDimensions(topLeft, size);
boundingBox = contentBox;
}
var baseLine = new Vector2(0, font.GetAscent(UIScale)) + contentBox.TopLeft;
foreach (var rune in title.EnumerateRunes())
{
if (!font.TryGetCharMetrics(rune, UIScale, out var metrics))
{
continue;
}
font.DrawChar(handle, rune, baseLine, UIScale, active ? fontColorActive : fontColorInactive);
baseLine += new Vector2(metrics.Advance, 0);
}
headerOffset += boxAdvance;
// Remember the right-most point of this tab, for testing clicked areas
_tabRight.Add(headerOffset);
tabLeft += boundingBox.Size.X;
tabHeight = Math.Max(tabHeight, boundingBox.Size.Y);
_tabBoxes.Add(new(boundingBox, contentBox, box, title, i));
}
if (Math.Abs(_enclosingTabHeight - (tabTop + tabHeight)) >= 0.1)
{
InvalidateArrange();
}
_enclosingTabHeight = tabTop + tabHeight;
}
protected override Vector2 MeasureOverride(Vector2 availableSize)
{
CalculateTabBoxes(availableSize);
var headerSize = Vector2.Zero;
if (TabsVisible)
{
headerSize = new Vector2(0, _getHeaderSize() / UIScale);
headerSize = new Vector2(0, _enclosingTabHeight / UIScale);
}
var panel = _getPanel();
@@ -254,12 +288,13 @@ namespace Robust.Client.UserInterface.Controls
protected override Vector2 ArrangeOverride(Vector2 finalSize)
{
CalculateTabBoxes(finalSize);
if (ChildCount == 0 || _currentTab >= ChildCount)
{
return finalSize;
}
var headerSize = _getHeaderSize();
var headerSize = (int)_enclosingTabHeight;
var panel = _getPanel();
var contentBox = new UIBox2i(0, headerSize, (int) (finalSize.X * UIScale), (int) (finalSize.Y * UIScale));
if (panel != null)
@@ -283,50 +318,23 @@ namespace Robust.Client.UserInterface.Controls
}
// Outside of header size, ignore.
if (args.RelativePixelPosition.Y < 0 || args.RelativePixelPosition.Y > _getHeaderSize())
if (args.RelativePixelPosition.Y < 0 || args.RelativePixelPosition.Y > _enclosingTabHeight)
{
return;
}
args.Handle();
var relX = args.RelativePixelPosition.X;
float tabLeft = 0;
for (var i = 0; i < ChildCount; i++)
foreach (var box in _tabBoxes)
{
if (relX > tabLeft && relX <= _tabRight[i])
if (box.Bounding.Contains(args.RelativePixelPosition))
{
CurrentTab = i;
CurrentTab = box.Index;
return;
}
// Next tab starts here
tabLeft = _tabRight[i];
}
}
// Returns the size of the header, in real pixels
[System.Diagnostics.Contracts.Pure]
private int _getHeaderSize()
{
var headerSize = 0;
if (TabsVisible)
{
var active = _getTabBoxActive();
var inactive = _getTabBoxInactive();
var font = _getFont();
var activeSize = (active?.MinimumSize ?? Vector2.Zero) * UIScale;
var inactiveSize = (inactive?.MinimumSize ?? Vector2.Zero) * UIScale;
headerSize = (int) MathF.Max(activeSize.Y, inactiveSize.Y);
headerSize += font.GetHeight(UIScale);
}
return headerSize;
}
[System.Diagnostics.Contracts.Pure]
private StyleBox? _getTabBoxActive()
{