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beat slicing patch #1 from lincoln spiteri

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git-svn-id: svn://localhost/ardour2/branches/3.0@7381 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2010-07-06 11:33:27 +00:00
parent 2f11b367ca
commit 2f9184d653
24 changed files with 828 additions and 193 deletions
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70
gtk2_ardour/editor_drag.cc
View file

@ -2935,6 +2935,76 @@ LineDrag::aborted ()
_line->reset ();
}
FeatureLineDrag::FeatureLineDrag (Editor* e, ArdourCanvas::Item* i)
: Drag (e, i),
_line (0),
_cumulative_x_drag (0)
{
}
void
FeatureLineDrag::start_grab (GdkEvent* event, Gdk::Cursor* /*cursor*/)
{
Drag::start_grab (event);
_line = reinterpret_cast<SimpleLine*> (_item);
assert (_line);
/* need to get x coordinate in terms of parent (AudioRegionView) origin. */
double cx = event->button.x;
double cy = event->button.y;
_item->property_parent().get_value()->w2i(cx, cy);
/* store grab start in parent frame */
_region_view_grab_x = cx;
_before = _line->property_x1();
_arv = reinterpret_cast<AudioRegionView*> (_item->get_data ("regionview"));
_max_x = _editor->frame_to_pixel(_arv->get_duration());
}
void
FeatureLineDrag::motion (GdkEvent* event, bool)
{
double dx = _drags->current_pointer_x() - last_pointer_x();
double cx = _region_view_grab_x + _cumulative_x_drag + dx;
_cumulative_x_drag += dx;
/* Clamp the min and max extent of the drag to keep it within the region view bounds */
if (cx > _max_x){
cx = _max_x;
}
else if(cx < 0){
cx = 0;
}
_line->property_x1() = cx;
_line->property_x2() = cx;
_before = _line->property_x1();
}
void
FeatureLineDrag::finished (GdkEvent* event, bool)
{
_arv = reinterpret_cast<AudioRegionView*> (_item->get_data ("regionview"));
_arv->update_transient(_before, _line->property_x1());
}
void
FeatureLineDrag::aborted ()
{
//_line->reset ();
}
void
RubberbandSelectDrag::start_grab (GdkEvent* event, Gdk::Cursor *)
{