ada863980c
Add UiChatView, a transcript widget for the retail-look UI: renders the ChatVM tail bottom-pinned (newest at the bottom, like retail) with mouse-wheel scrollback and whole-line vertical clipping so text stays inside the frame. Hosted in a draggable/resizable UiNineSlicePanel and wired into the UiHost next to the vitals window, fed by a dedicated ChatVM (200-line tail) over the same live ChatLog. Per-ChatKind colour palette (speech white, tells magenta, channels blue, system yellow, emotes grey, combat orange). This is the read-only foundation. The next sub-step adds glScissor clipping + word-wrap, drag-to-select, and Ctrl+C copy -- the last needs a CapturesPointerDrag opt-out on UiElement so an interior drag selects text instead of moving the window (today an interior drag still moves the window, same as the vitals panel). Tests: UiChatView.ClampScroll (pin-to-bottom, cap-at-overflow, never-negative). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
28 lines
975 B
C#
28 lines
975 B
C#
using AcDream.App.UI;
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namespace AcDream.App.Tests.UI;
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public class UiChatViewTests
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{
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[Fact]
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public void ClampScroll_PinsToZero_WhenContentFitsView()
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{
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// 5 lines of content in a taller view → nothing to scroll, pinned at 0.
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Assert.Equal(0f, UiChatView.ClampScroll(50f, contentHeight: 80f, viewHeight: 200f));
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Assert.Equal(0f, UiChatView.ClampScroll(0f, contentHeight: 80f, viewHeight: 200f));
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}
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[Fact]
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public void ClampScroll_CapsAtContentMinusView_WhenOverflowing()
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{
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// Content 500, view 200 → max scrollback is 300px (oldest line at top).
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Assert.Equal(300f, UiChatView.ClampScroll(1000f, contentHeight: 500f, viewHeight: 200f));
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Assert.Equal(120f, UiChatView.ClampScroll(120f, contentHeight: 500f, viewHeight: 200f));
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}
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[Fact]
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public void ClampScroll_NeverNegative()
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{
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Assert.Equal(0f, UiChatView.ClampScroll(-50f, contentHeight: 500f, viewHeight: 200f));
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}
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}
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