fix behavior of Region::mid_thaw() to match pre-nutempo behavior
We no longer have a distinct "position" property, because the "length" property defines both extent and position. But we must not call ::recompute_at_start() when the position has not changed, so here we use Region::last_length() to simulate the position property.
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@ -999,6 +999,7 @@ Region::trim_to_internal (timepos_t const & pos, timecnt_t const & len)
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if (!property_changes_suspended()) {
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_last_length = _length;
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}
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std::cerr << "change len\n";
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set_length_internal (nl);
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what_changed.add (Properties::length);
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}
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@ -1402,7 +1403,9 @@ void
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Region::mid_thaw (const PropertyChange& what_changed)
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{
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if (what_changed.contains (Properties::length)) {
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recompute_at_start ();
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if (length().position() != last_position()) {
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recompute_at_start ();
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}
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recompute_at_end ();
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}
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}
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