Cap a day block's title at the lines it can draw (#267)
A block too short for the time line is too short for a second title line too, so asking for two served a sliced one and handed the drag copy a count it could not honour.
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@@ -745,7 +745,12 @@ private fun EventBlock(
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val showTime = available >= titleLineHeight + timeLineHeight
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val showTitle = available >= titleLineHeight
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val textWidth = width - (BLOCK_OUTER_INSET + BLOCK_TEXT_PADDING) * 2
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val titleMaxLines = if (showTime) 1 else 2
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// Only lines the block can actually draw: a block too short for the time is
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// too short for a second title line too, and asking for one served a sliced
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// one — as well as handing the drag copy a count it couldn't honour, so the
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// title re-wrapped the moment the block was lifted (#267).
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val titleBudget = (available / titleLineHeight).toInt().coerceAtLeast(1)
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val titleMaxLines = if (showTime) 1 else titleBudget.coerceAtMost(2)
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// On a day column — wide enough for "09:30–11:00" several times over — the
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// range never needs the second line, until lanes cut the column down.
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val spare = available - titleLineHeight * titleMaxLines -
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