wehub-resource-sync
85 lines
3.0 KiB
C#
85 lines
3.0 KiB
C#
#nullable enable
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using ImGuiNET;
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using T3.Editor.Gui.Input;
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namespace T3.Editor.Gui.Styling.Markdown;
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/// <summary>
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/// Visual validation surface for <see cref="MarkdownView"/>. Hosted in the
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/// Utilities window. Remove once the manual test runner adopts the renderer
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/// as a real consumer.
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/// </summary>
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internal static class MarkdownPreview
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{
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public static void Draw()
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{
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FormInputs.AddSectionHeader("Markdown preview");
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FormInputs.AddVerticalSpace(5);
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if (ImGui.Button("Reset to sample"))
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_sample = _defaultSample;
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ImGui.SameLine();
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ImGui.TextDisabled($"{_sample.Length} chars");
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if (ImGui.InputTextMultiline("##source", ref _sample, 8000,
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new Vector2(-1, 200 * T3Ui.UiScaleFactor)))
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{
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// _sample is a new string instance — the renderer's reference-equality
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// cache key invalidates automatically.
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}
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FormInputs.AddVerticalSpace(8);
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ImGui.Separator();
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FormInputs.AddVerticalSpace(8);
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ImGui.BeginChild("preview", new Vector2(-1, -1),
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ImGuiChildFlags.Borders, ImGuiWindowFlags.None);
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_view.Draw(_sample,
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url => Log.Info($"[MarkdownPreview] link clicked: {url}"),
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onOperatorRef: HandleOperatorRefRendered);
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ImGui.EndChild();
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}
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private static void HandleOperatorRefRendered(string opName)
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{
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// The OpRef callback fires every frame for each rendered [OpName]
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// fragment. Only log on a real hover+click so the console doesn't
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// flood.
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if (!ImGui.IsItemHovered())
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return;
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ImGui.SetMouseCursor(ImGuiMouseCursor.Hand);
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if (ImGui.IsMouseClicked(ImGuiMouseButton.Left))
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Log.Info($"[MarkdownPreview] op ref clicked: {opName}");
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}
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private static readonly MarkdownView _view = new(new MarkdownView.Options());
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private const string _defaultSample =
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"""
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# Heading One
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Body text under H1. This paragraph wraps when it gets too long for the available width, and the wrapping should respect **bold runs** and `inline code` correctly.
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## Heading Two
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Another paragraph. References to operators like [RadialGradient] should be styled and clickable. External links work too: [TiXL wiki](https://github.com/tixl3d/tixl/wiki).
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### Heading Three
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- bullet at depth 0
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- second bullet with **bold** and `code` inline
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- nested bullet at depth 1
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- second nested
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- depth 2
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- back to depth 0
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## Numbered list
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1. first item
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2. second item with a [link](https://example.com)
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3. third item, much longer text that should wrap onto a second visual line and use the hanging indent so it stays aligned under the content of the first line
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1. nested numbered
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2. another nested
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""";
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private static string _sample = _defaultSample;
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}
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