ardour/livetrax
13
0
Fork 0
Code

Handle mouse events over crossfades properly (or better) when in stacked region mode.

Browse Source 
git-svn-id: svn://localhost/ardour2/branches/3.0@5623 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington 2009-09-02 23:55:09 +00:00
parent e745eb6952
commit 3635710627
1 changed files with 47 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
gtk2_ardour/editor_canvas_events.cc
View File

@ -574,7 +574,7 @@ Editor::canvas_crossfade_view_event (GdkEvent* event, ArdourCanvas::Item* item,
return false;
}
/* proxy for the upper most regionview */
/* proxy for an underlying regionview */
/* XXX really need to check if we are in the name highlight,
and proxy to that when required.
@ -589,21 +589,56 @@ Editor::canvas_crossfade_view_event (GdkEvent* event, ArdourCanvas::Item* item,
boost::shared_ptr<AudioPlaylist> pl;
if ((pl = boost::dynamic_pointer_cast<AudioPlaylist> (atv->get_diskstream()->playlist())) != 0) {
Playlist::RegionList* rl = pl->regions_at (event_frame (event));
if (!rl->empty()) {
DescendingRegionLayerSorter cmp;
rl->sort (cmp);
if (atv->layer_display() == Overlaid) {
/* we're in overlaid mode; proxy to the uppermost region view */
DescendingRegionLayerSorter cmp;
rl->sort (cmp);
RegionView* rv = atv->view()->find_view (rl->front());
delete rl;
/* proxy */
return canvas_region_view_event (event, rv->get_canvas_group(), rv);
RegionView* rv = atv->view()->find_view (rl->front());
delete rl;
/* proxy */
} else {
return canvas_region_view_event (event, rv->get_canvas_group(), rv);
}
/* we're in stacked mode; proxy to the region view under the mouse */
/* XXX: FIXME: this is an evil hack; it assumes that any event for which
this proxy is being used has its GdkEvent laid out such that the y
member is in the same place as that for a GdkEventButton */
/* position of the event within the track */
double cx = event->button.x;
double cy = event->button.y;
atv->view()->canvas_item()->w2i (cx, cy);
/* hence layer that we're over */
double const c = atv->view()->child_height ();
layer_t const l = pl->top_layer () + 1 - (cy / c);
/* hence region */
Playlist::RegionList::iterator i = rl->begin();
while (i != rl->end() && (*i)->layer() != l) {
++i;
}
if (i != rl->end()) {
RegionView* rv = atv->view()->find_view (*i);
delete rl;
/* proxy */
return canvas_region_view_event (event, rv->get_canvas_group(), rv);
}
}
}
delete rl;
}