set buttons inactive when irrelevant (#8920)
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@ -185,6 +185,8 @@ public:
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pages_->set_label(out.str());
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left_->set_visible(widget::visibility::visible);
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right_->set_visible(widget::visibility::visible);
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left_->set_active(current_page_ > 0);
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right_->set_active(current_page_ < n_pages - 1);
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} else {
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pages_->set_label("");
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left_->set_visible(widget::visibility::invisible);
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