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automation drawn: ensure the right-to-left drawn lines are ordered correctly

This commit is contained in:
Paul Davis 2023-07-10 14:23:39 -06:00
parent 459659d229
commit d12aa315fc
1 changed files with 12 additions and 4 deletions
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16
gtk2_ardour/editor_drag.cc
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@ -7341,7 +7341,6 @@ AutomationDrawDrag::maybe_add_point (GdkEvent* ev, timepos_t const & cpos)
}
add_point = true;
}
}
if (pop_point) {
@ -7372,14 +7371,23 @@ AutomationDrawDrag::finished (GdkEvent* event, bool motion_occured)
return;
}
if (drawn_points.empty()) {
return;
}
AutomationTimeAxisView* atv = static_cast<AutomationTimeAxisView*>(base_rect.get_data ("trackview"));
if (!atv) {
return;
}
/* ControlList::thin() works very badly with the stair-cased lines that
result from snapping.
*/
/* Points must be in time order, so if the user draw right to left, fix
* that here
*/
if (drawn_points.front().when > drawn_points.back().when) {
std::reverse (drawn_points.begin(), drawn_points.end());
}
atv->merge_drawn_line (drawn_points, !did_snap);
}