improv: PreOperation for tracking children in selections
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5 changed files with 49 additions and 1 deletions
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@ -676,6 +676,8 @@ where
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let translation =
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state.translation(self.direction, bounds, content_bounds);
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operation.pre_operation(Some(&self.id));
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operation.traverse(&mut |operation| {
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self.content.as_widget_mut().operate(
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&mut tree.children[0],
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