feat(ui): pointer events for natives and elements, with capture; on-down and on-up; hits in painting order
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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20 changed files with 349 additions and 46 deletions
7
examples/library/ui_pointer_parts/Chart.lss
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7
examples/library/ui_pointer_parts/Chart.lss
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.page { width: 400px; gap: 4px }
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.box { width: 200px; height: 100px; position: relative }
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.map { width: 200px; height: 100px }
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.zoom { position: absolute; top: 10px; left: 10px; width: 30px; height: 30px; padding: 0 }
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.pad { width: 100px; height: 50px }
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.hold { width: 80px; height: 30px }
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.hold:active { background: #ff0000 }
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12
examples/library/ui_pointer_parts/Chart.ludic
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examples/library/ui_pointer_parts/Chart.ludic
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# Chart.ludic - a native map with a zoom button over it, a pad that takes pointer events in markup,
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# and a hold button that says when it goes down and comes up
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component Chart {
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state zoomed: int = 0
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state px: float = -1.0
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state dragx: float = 0.0
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state ups: int = 0
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state wh: float = 0.0
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state holding: bool = false
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state held: int = 0
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state clicked: int = 0
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}
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9
examples/library/ui_pointer_parts/Chart.xml
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examples/library/ui_pointer_parts/Chart.xml
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<div class="page">
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<div class="box">
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<chartmap class="map"/>
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<button class="zoom" on-click="set zoomed = zoomed + 1">+</button>
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</div>
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<div class="pad" on-pointerdown="set px = event.x" on-drag="set dragx = dragx + event.dx" on-pointerup="set ups = ups + 1" on-wheel="set wh = wh + event.wheel"></div>
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<button class="hold" on-down="set holding = true" on-up="set holding = false; set held = held + 1" on-click="set clicked = clicked + 1">Hold</button>
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<p>zoomed {zoomed} pad {px} {dragx} {ups} {wh} hold {holding} {held} {clicked}</p>
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</div>
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