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Extend a previous region if we click in a MIDI automation lane where there is no region (#4155).

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git-svn-id: svn://localhost/ardour2/branches/3.0@12622 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington 2012-06-09 00:36:21 +00:00
parent f840133768
commit 0ac73d8513
1 changed files with 17 additions and 2 deletions
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19
gtk2_ardour/editor_mouse.cc
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@ -1003,8 +1003,23 @@ Editor::button_press_handler_1 (ArdourCanvas::Item* item, GdkEvent* event, ItemT
AutomationTimeAxisView* atv = dynamic_cast<AutomationTimeAxisView*> (clicked_axisview);
assert (atv);
if (parent && dynamic_cast<MidiTimeAxisView*> (parent) && atv->show_regions ()) {
/* create a MIDI region so that we have somewhere to put automation */
_drags->set (new RegionCreateDrag (this, item, parent), event);
RouteTimeAxisView* p = dynamic_cast<RouteTimeAxisView*> (parent);
assert (p);
boost::shared_ptr<Playlist> pl = p->track()->playlist ();
if (pl->n_regions() == 0) {
/* Parent has no regions; create one so that we have somewhere to put automation */
_drags->set (new RegionCreateDrag (this, item, parent), event);
} else {
/* See if there's a region before the click that we can extend, and extend it if so */
framepos_t const t = event_frame (event);
boost::shared_ptr<Region> prev = pl->find_next_region (t, End, -1);
if (!prev) {
_drags->set (new RegionCreateDrag (this, item, parent), event);
} else {
prev->set_length (t - prev->position ());
}
}
} else {
/* rubberband drag to select automation points */
_drags->set (new EditorRubberbandSelectDrag (this, item), event);