mirror of
https://github.com/space-wizards/RobustToolbox.git
synced 2026-02-14 19:29:36 +01:00
file scoped. I pushed this to the wrong branch initially because I'm stupid
This commit is contained in:
Princess Cheeseballs
@@ -9,317 +9,316 @@ using Robust.Shared.Collections;
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using Robust.Shared.Maths;
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using Robust.Shared.Utility;
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namespace Robust.Client.UserInterface
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namespace Robust.Client.UserInterface;
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/// <summary>
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/// Used by <see cref="OutputPanel"/> and <see cref="RichTextLabel"/> to handle rich text layout.
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/// Note that if this text is ever removed or modified without removing the owning control,
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/// then <see cref="RemoveControls"/> should be called to ensure that any controls that were added by this
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/// entry are also removed.
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/// </summary>
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internal struct RichTextEntry
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{
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public static readonly Type[] DefaultTags =
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[
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typeof(BoldItalicTag),
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typeof(BoldTag),
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typeof(BulletTag),
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typeof(ColorTag),
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typeof(HeadingTag),
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typeof(ItalicTag)
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];
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private readonly Color _defaultColor;
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private readonly Type[]? _tagsAllowed = DefaultTags;
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public readonly FormattedMessage Message;
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/// <summary>
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/// Used by <see cref="OutputPanel"/> and <see cref="RichTextLabel"/> to handle rich text layout.
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/// Note that if this text is ever removed or modified without removing the owning control,
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/// then <see cref="RemoveControls"/> should be called to ensure that any controls that were added by this
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/// entry are also removed.
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/// The vertical size of this entry, in pixels.
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/// </summary>
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internal struct RichTextEntry
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public int Height;
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/// <summary>
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/// The horizontal size of this entry, in pixels.
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/// </summary>
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public int Width;
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/// <summary>
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/// The combined text indices in the message's text tags to put line breaks.
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/// </summary>
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public ValueList<int> LineBreaks;
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public readonly Dictionary<int, Control>? Controls;
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public RichTextEntry(FormattedMessage message, Control parent, MarkupTagManager tagManager, Color? defaultColor = null)
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{
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public static readonly Type[] DefaultTags =
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[
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typeof(BoldItalicTag),
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typeof(BoldTag),
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typeof(BulletTag),
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typeof(ColorTag),
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typeof(HeadingTag),
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typeof(ItalicTag)
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];
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Message = message;
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Height = 0;
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Width = 0;
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LineBreaks = default;
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_defaultColor = defaultColor ?? new(200, 200, 200);
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Controls = GetControls(parent, tagManager);
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private readonly Color _defaultColor;
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private readonly Type[]? _tagsAllowed = DefaultTags;
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// Default sane tags
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_tagsAllowed = DefaultTags;
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}
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public readonly FormattedMessage Message;
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public RichTextEntry(FormattedMessage message, Control parent, MarkupTagManager tagManager, Type[]? tagsAllowed = null, Color? defaultColor = null)
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{
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Message = message;
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Height = 0;
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Width = 0;
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LineBreaks = default;
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_defaultColor = defaultColor ?? new(200, 200, 200);
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_tagsAllowed = tagsAllowed;
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Controls = GetControls(parent, tagManager);
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}
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/// <summary>
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/// The vertical size of this entry, in pixels.
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/// </summary>
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public int Height;
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private readonly Dictionary<int, Control>? GetControls(Control parent, MarkupTagManager tagManager)
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{
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Dictionary<int, Control>? tagControls = null;
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var nodeIndex = -1;
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/// <summary>
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/// The horizontal size of this entry, in pixels.
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/// </summary>
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public int Width;
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/// <summary>
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/// The combined text indices in the message's text tags to put line breaks.
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/// </summary>
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public ValueList<int> LineBreaks;
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public readonly Dictionary<int, Control>? Controls;
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public RichTextEntry(FormattedMessage message, Control parent, MarkupTagManager tagManager, Color? defaultColor = null)
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foreach (var node in Message)
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{
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Message = message;
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Height = 0;
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Width = 0;
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LineBreaks = default;
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_defaultColor = defaultColor ?? new(200, 200, 200);
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Controls = GetControls(parent, tagManager);
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nodeIndex++;
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// Default sane tags
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_tagsAllowed = DefaultTags;
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if (node.Name == null)
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continue;
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if (!tagManager.TryGetMarkupTagHandler(node.Name, _tagsAllowed, out var handler) || !handler.TryCreateControl(node, out var control))
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continue;
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// Markup tag handler instances are shared across controls. We need to ensure that the hanlder doesn't
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// store state information and return the same control for each rich text entry.
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DebugTools.Assert(handler.TryCreateControl(node, out var other) && other != control);
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parent.Children.Add(control);
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tagControls ??= new Dictionary<int, Control>();
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tagControls.Add(nodeIndex, control);
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}
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public RichTextEntry(FormattedMessage message, Control parent, MarkupTagManager tagManager, Type[]? tagsAllowed = null, Color? defaultColor = null)
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return tagControls;
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}
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// TODO RICH TEXT
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// Somehow ensure that this **has** to be called when removing rich text from some control.
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/// <summary>
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/// Remove all owned controls from their parents.
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/// </summary>
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public readonly void RemoveControls()
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{
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if (Controls == null)
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return;
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foreach (var ctrl in Controls.Values)
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{
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Message = message;
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Height = 0;
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Width = 0;
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LineBreaks = default;
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_defaultColor = defaultColor ?? new(200, 200, 200);
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_tagsAllowed = tagsAllowed;
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Controls = GetControls(parent, tagManager);
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ctrl.Orphan();
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}
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}
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private readonly Dictionary<int, Control>? GetControls(Control parent, MarkupTagManager tagManager)
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/// <summary>
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/// Recalculate line dimensions and where it has line breaks for word wrapping.
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/// </summary>
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/// <param name="defaultFont">The font being used for display.</param>
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/// <param name="maxSizeX">The maximum horizontal size of the container of this entry.</param>
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/// <param name="uiScale"></param>
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/// <param name="lineHeightScale"></param>
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public RichTextEntry Update(MarkupTagManager tagManager, Font defaultFont, float maxSizeX, float uiScale, float lineHeightScale = 1)
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{
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// This method is gonna suck due to complexity.
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// Bear with me here.
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// I am so deeply sorry for the person adding stuff to this in the future.
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Height = defaultFont.GetHeight(uiScale);
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LineBreaks.Clear();
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int? breakLine;
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var wordWrap = new WordWrap(maxSizeX);
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var context = new MarkupDrawingContext();
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context.Font.Push(defaultFont);
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context.Color.Push(_defaultColor);
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// Go over every node.
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// Nodes can change the markup drawing context and return additional text.
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// It's also possible for nodes to return inline controls. They get treated as one large rune.
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var nodeIndex = -1;
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foreach (var node in Message)
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{
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Dictionary<int, Control>? tagControls = null;
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var nodeIndex = -1;
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nodeIndex++;
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var text = ProcessNode(tagManager, node, context);
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foreach (var node in Message)
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if (!context.Font.TryPeek(out var font))
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font = defaultFont;
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// And go over every character.
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foreach (var rune in text.EnumerateRunes())
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{
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nodeIndex++;
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if (node.Name == null)
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if (ProcessRune(ref this, rune, out breakLine))
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continue;
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if (!tagManager.TryGetMarkupTagHandler(node.Name, _tagsAllowed, out var handler) || !handler.TryCreateControl(node, out var control))
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// Uh just skip unknown characters I guess.
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if (!font.TryGetCharMetrics(rune, uiScale, out var metrics))
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continue;
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// Markup tag handler instances are shared across controls. We need to ensure that the hanlder doesn't
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// store state information and return the same control for each rich text entry.
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DebugTools.Assert(handler.TryCreateControl(node, out var other) && other != control);
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parent.Children.Add(control);
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tagControls ??= new Dictionary<int, Control>();
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tagControls.Add(nodeIndex, control);
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}
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return tagControls;
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}
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// TODO RICH TEXT
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// Somehow ensure that this **has** to be called when removing rich text from some control.
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/// <summary>
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/// Remove all owned controls from their parents.
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/// </summary>
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public readonly void RemoveControls()
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{
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if (Controls == null)
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return;
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foreach (var ctrl in Controls.Values)
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{
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ctrl.Orphan();
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}
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}
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/// <summary>
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/// Recalculate line dimensions and where it has line breaks for word wrapping.
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/// </summary>
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/// <param name="defaultFont">The font being used for display.</param>
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/// <param name="maxSizeX">The maximum horizontal size of the container of this entry.</param>
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/// <param name="uiScale"></param>
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/// <param name="lineHeightScale"></param>
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public RichTextEntry Update(MarkupTagManager tagManager, Font defaultFont, float maxSizeX, float uiScale, float lineHeightScale = 1)
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{
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// This method is gonna suck due to complexity.
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// Bear with me here.
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// I am so deeply sorry for the person adding stuff to this in the future.
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Height = defaultFont.GetHeight(uiScale);
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LineBreaks.Clear();
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int? breakLine;
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var wordWrap = new WordWrap(maxSizeX);
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var context = new MarkupDrawingContext();
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context.Font.Push(defaultFont);
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context.Color.Push(_defaultColor);
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// Go over every node.
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// Nodes can change the markup drawing context and return additional text.
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// It's also possible for nodes to return inline controls. They get treated as one large rune.
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var nodeIndex = -1;
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foreach (var node in Message)
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{
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nodeIndex++;
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var text = ProcessNode(tagManager, node, context);
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if (!context.Font.TryPeek(out var font))
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font = defaultFont;
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// And go over every character.
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foreach (var rune in text.EnumerateRunes())
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{
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if (ProcessRune(ref this, rune, out breakLine))
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continue;
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// Uh just skip unknown characters I guess.
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if (!font.TryGetCharMetrics(rune, uiScale, out var metrics))
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continue;
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if (ProcessMetric(ref this, metrics, out breakLine))
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return this;
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}
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if (Controls == null || !Controls.TryGetValue(nodeIndex, out var control))
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continue;
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control.Measure(new Vector2(maxSizeX, Height));
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var desiredSize = control.DesiredPixelSize;
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var controlMetrics = new CharMetrics(
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0, 0,
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desiredSize.X,
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desiredSize.X,
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desiredSize.Y);
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if (ProcessMetric(ref this, controlMetrics, out breakLine))
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if (ProcessMetric(ref this, metrics, out breakLine))
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return this;
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}
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Width = wordWrap.FinalizeText(out breakLine);
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CheckLineBreak(ref this, breakLine);
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if (Controls == null || !Controls.TryGetValue(nodeIndex, out var control))
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continue;
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return this;
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control.Measure(new Vector2(maxSizeX, Height));
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bool ProcessRune(ref RichTextEntry src, Rune rune, out int? outBreakLine)
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{
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wordWrap.NextRune(rune, out breakLine, out var breakNewLine, out var skip);
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CheckLineBreak(ref src, breakLine);
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CheckLineBreak(ref src, breakNewLine);
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outBreakLine = breakLine;
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return skip;
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}
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var desiredSize = control.DesiredPixelSize;
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var controlMetrics = new CharMetrics(
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0, 0,
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desiredSize.X,
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desiredSize.X,
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desiredSize.Y);
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bool ProcessMetric(ref RichTextEntry src, CharMetrics metrics, out int? outBreakLine)
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{
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wordWrap.NextMetrics(metrics, out breakLine, out var abort);
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CheckLineBreak(ref src, breakLine);
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outBreakLine = breakLine;
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return abort;
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}
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void CheckLineBreak(ref RichTextEntry src, int? line)
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{
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if (line is { } l)
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{
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src.LineBreaks.Add(l);
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if (!context.Font.TryPeek(out var font))
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font = defaultFont;
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src.Height += GetLineHeight(font, uiScale, lineHeightScale);
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}
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}
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if (ProcessMetric(ref this, controlMetrics, out breakLine))
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return this;
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}
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internal readonly void HideControls()
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{
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if (Controls == null)
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return;
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Width = wordWrap.FinalizeText(out breakLine);
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CheckLineBreak(ref this, breakLine);
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foreach (var control in Controls.Values)
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{
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control.Visible = false;
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}
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return this;
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bool ProcessRune(ref RichTextEntry src, Rune rune, out int? outBreakLine)
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{
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wordWrap.NextRune(rune, out breakLine, out var breakNewLine, out var skip);
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CheckLineBreak(ref src, breakLine);
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CheckLineBreak(ref src, breakNewLine);
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outBreakLine = breakLine;
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return skip;
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}
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public readonly void Draw(
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MarkupTagManager tagManager,
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DrawingHandleBase handle,
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Font defaultFont,
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UIBox2 drawBox,
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float verticalOffset,
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MarkupDrawingContext context,
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float uiScale,
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float lineHeightScale = 1)
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bool ProcessMetric(ref RichTextEntry src, CharMetrics metrics, out int? outBreakLine)
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{
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context.Clear();
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context.Color.Push(_defaultColor);
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context.Font.Push(defaultFont);
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wordWrap.NextMetrics(metrics, out breakLine, out var abort);
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CheckLineBreak(ref src, breakLine);
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outBreakLine = breakLine;
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return abort;
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}
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var globalBreakCounter = 0;
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var lineBreakIndex = 0;
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var baseLine = drawBox.TopLeft + new Vector2(0, defaultFont.GetAscent(uiScale) + verticalOffset);
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var controlYAdvance = 0f;
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var nodeIndex = -1;
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foreach (var node in Message)
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void CheckLineBreak(ref RichTextEntry src, int? line)
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{
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if (line is { } l)
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{
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nodeIndex++;
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var text = ProcessNode(tagManager, node, context);
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if (!context.Color.TryPeek(out var color) || !context.Font.TryPeek(out var font))
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{
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color = _defaultColor;
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src.LineBreaks.Add(l);
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if (!context.Font.TryPeek(out var font))
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font = defaultFont;
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}
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foreach (var rune in text.EnumerateRunes())
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{
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if (lineBreakIndex < LineBreaks.Count &&
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LineBreaks[lineBreakIndex] == globalBreakCounter)
|
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{
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baseLine = new Vector2(drawBox.Left, baseLine.Y + GetLineHeight(font, uiScale, lineHeightScale) + controlYAdvance);
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controlYAdvance = 0;
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lineBreakIndex += 1;
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}
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var advance = font.DrawChar(handle, rune, baseLine, uiScale, color);
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baseLine += new Vector2(advance, 0);
|
||||
|
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globalBreakCounter += 1;
|
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}
|
||||
|
||||
if (Controls == null || !Controls.TryGetValue(nodeIndex, out var control))
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||||
continue;
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|
||||
// Controls may have been previously hidden via HideControls due to being "out-of frame".
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||||
// If this ever gets replaced with RectClipContents / scissor box testing, this can be removed.
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control.Visible = true;
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var invertedScale = 1f / uiScale;
|
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control.Measure(new Vector2(Width, Height));
|
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control.Arrange(UIBox2.FromDimensions(
|
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baseLine.X * invertedScale,
|
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(baseLine.Y - defaultFont.GetAscent(uiScale)) * invertedScale,
|
||||
control.DesiredSize.X,
|
||||
control.DesiredSize.Y
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));
|
||||
var advanceX = control.DesiredPixelSize.X;
|
||||
controlYAdvance = Math.Max(0f, (control.DesiredPixelSize.Y - GetLineHeight(font, uiScale, lineHeightScale)) * invertedScale);
|
||||
baseLine += new Vector2(advanceX, 0);
|
||||
src.Height += GetLineHeight(font, uiScale, lineHeightScale);
|
||||
}
|
||||
}
|
||||
|
||||
private readonly string ProcessNode(MarkupTagManager tagManager, MarkupNode node, MarkupDrawingContext context)
|
||||
{
|
||||
// If a nodes name is null it's a text node.
|
||||
if (node.Name == null)
|
||||
return node.Value.StringValue ?? "";
|
||||
|
||||
//Skip the node if there is no markup tag for it.
|
||||
if (!tagManager.TryGetMarkupTagHandler(node.Name, _tagsAllowed, out var tag))
|
||||
return "";
|
||||
|
||||
if (!node.Closing)
|
||||
{
|
||||
tag.PushDrawContext(node, context);
|
||||
return tag.TextBefore(node);
|
||||
}
|
||||
|
||||
tag.PopDrawContext(node, context);
|
||||
return tag.TextAfter(node);
|
||||
}
|
||||
|
||||
private static int GetLineHeight(Font font, float uiScale, float lineHeightScale)
|
||||
{
|
||||
var height = font.GetLineHeight(uiScale);
|
||||
return (int)(height * lineHeightScale);
|
||||
}
|
||||
}
|
||||
|
||||
internal readonly void HideControls()
|
||||
{
|
||||
if (Controls == null)
|
||||
return;
|
||||
|
||||
foreach (var control in Controls.Values)
|
||||
{
|
||||
control.Visible = false;
|
||||
}
|
||||
}
|
||||
|
||||
public readonly void Draw(
|
||||
MarkupTagManager tagManager,
|
||||
DrawingHandleBase handle,
|
||||
Font defaultFont,
|
||||
UIBox2 drawBox,
|
||||
float verticalOffset,
|
||||
MarkupDrawingContext context,
|
||||
float uiScale,
|
||||
float lineHeightScale = 1)
|
||||
{
|
||||
context.Clear();
|
||||
context.Color.Push(_defaultColor);
|
||||
context.Font.Push(defaultFont);
|
||||
|
||||
var globalBreakCounter = 0;
|
||||
var lineBreakIndex = 0;
|
||||
var baseLine = drawBox.TopLeft + new Vector2(0, defaultFont.GetAscent(uiScale) + verticalOffset);
|
||||
var controlYAdvance = 0f;
|
||||
|
||||
var nodeIndex = -1;
|
||||
foreach (var node in Message)
|
||||
{
|
||||
nodeIndex++;
|
||||
var text = ProcessNode(tagManager, node, context);
|
||||
if (!context.Color.TryPeek(out var color) || !context.Font.TryPeek(out var font))
|
||||
{
|
||||
color = _defaultColor;
|
||||
font = defaultFont;
|
||||
}
|
||||
|
||||
foreach (var rune in text.EnumerateRunes())
|
||||
{
|
||||
if (lineBreakIndex < LineBreaks.Count &&
|
||||
LineBreaks[lineBreakIndex] == globalBreakCounter)
|
||||
{
|
||||
baseLine = new Vector2(drawBox.Left, baseLine.Y + GetLineHeight(font, uiScale, lineHeightScale) + controlYAdvance);
|
||||
controlYAdvance = 0;
|
||||
lineBreakIndex += 1;
|
||||
}
|
||||
|
||||
var advance = font.DrawChar(handle, rune, baseLine, uiScale, color);
|
||||
baseLine += new Vector2(advance, 0);
|
||||
|
||||
globalBreakCounter += 1;
|
||||
}
|
||||
|
||||
if (Controls == null || !Controls.TryGetValue(nodeIndex, out var control))
|
||||
continue;
|
||||
|
||||
// Controls may have been previously hidden via HideControls due to being "out-of frame".
|
||||
// If this ever gets replaced with RectClipContents / scissor box testing, this can be removed.
|
||||
control.Visible = true;
|
||||
|
||||
var invertedScale = 1f / uiScale;
|
||||
control.Measure(new Vector2(Width, Height));
|
||||
control.Arrange(UIBox2.FromDimensions(
|
||||
baseLine.X * invertedScale,
|
||||
(baseLine.Y - defaultFont.GetAscent(uiScale)) * invertedScale,
|
||||
control.DesiredSize.X,
|
||||
control.DesiredSize.Y
|
||||
));
|
||||
var advanceX = control.DesiredPixelSize.X;
|
||||
controlYAdvance = Math.Max(0f, (control.DesiredPixelSize.Y - GetLineHeight(font, uiScale, lineHeightScale)) * invertedScale);
|
||||
baseLine += new Vector2(advanceX, 0);
|
||||
}
|
||||
}
|
||||
|
||||
private readonly string ProcessNode(MarkupTagManager tagManager, MarkupNode node, MarkupDrawingContext context)
|
||||
{
|
||||
// If a nodes name is null it's a text node.
|
||||
if (node.Name == null)
|
||||
return node.Value.StringValue ?? "";
|
||||
|
||||
//Skip the node if there is no markup tag for it.
|
||||
if (!tagManager.TryGetMarkupTagHandler(node.Name, _tagsAllowed, out var tag))
|
||||
return "";
|
||||
|
||||
if (!node.Closing)
|
||||
{
|
||||
tag.PushDrawContext(node, context);
|
||||
return tag.TextBefore(node);
|
||||
}
|
||||
|
||||
tag.PopDrawContext(node, context);
|
||||
return tag.TextAfter(node);
|
||||
}
|
||||
|
||||
private static int GetLineHeight(Font font, float uiScale, float lineHeightScale)
|
||||
{
|
||||
var height = font.GetLineHeight(uiScale);
|
||||
return (int)(height * lineHeightScale);
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user