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implement drags from off-canvas to the drop-zone. 

fixes #6195 #6205
This commit is contained in:
Robin Gareus 2015-03-25 01:47:48 +01:00
parent b637c2223f
commit 9696469289
1 changed files with 44 additions and 29 deletions
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73
gtk2_ardour/editor_canvas_events.cc
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@ -24,6 +24,8 @@
#include "pbd/stacktrace.h"
#include "ardour/audio_track.h"
#include "ardour/midi_track.h"
#include "ardour/midi_region.h"
#include "ardour/region_factory.h"
#include "ardour/profile.h"
@ -1207,6 +1209,18 @@ Editor::track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const& context,
region = _regions->get_dragged_region ();
if (region) {
if (tv.first == 0
&& (
boost::dynamic_pointer_cast<AudioRegion> (region) != 0 ||
boost::dynamic_pointer_cast<MidiRegion> (region) != 0
)
)
{
/* drop to drop-zone */
context->drag_status (context->get_suggested_action(), time);
return true;
}
if ((boost::dynamic_pointer_cast<AudioRegion> (region) != 0 &&
dynamic_cast<AudioTimeAxisView*> (tv.first) != 0) ||
@ -1251,9 +1265,6 @@ Editor::drop_regions (const Glib::RefPtr<Gdk::DragContext>& /*context*/,
const SelectionData& /*data*/,
guint /*info*/, guint /*time*/)
{
boost::shared_ptr<Region> region;
boost::shared_ptr<Region> region_copy;
RouteTimeAxisView* rtav;
GdkEvent event;
double px;
double py;
@ -1263,39 +1274,43 @@ Editor::drop_regions (const Glib::RefPtr<Gdk::DragContext>& /*context*/,
event.button.y = y;
/* assume we're dragging with button 1 */
event.motion.state = Gdk::BUTTON1_MASK;
framepos_t const pos = window_event_sample (&event, &px, &py);
boost::shared_ptr<Region> region = _regions->get_dragged_region ();
if (!region) { return; }
RouteTimeAxisView* rtav = 0;
std::pair<TimeAxisView*, int> const tv = trackview_by_y_position (py, false);
if (tv.first != 0) {
rtav = dynamic_cast<RouteTimeAxisView*> (tv.first);
if (rtav != 0 && rtav->is_track ()) {
boost::shared_ptr<Region> region = _regions->get_dragged_region ();
if (region) {
region_copy = RegionFactory::create (region, true);
if ((boost::dynamic_pointer_cast<AudioRegion> (region_copy) != 0 &&
dynamic_cast<AudioTimeAxisView*> (tv.first) != 0) ||
(boost::dynamic_pointer_cast<MidiRegion> (region_copy) != 0 &&
dynamic_cast<MidiTimeAxisView*> (tv.first) != 0)) {
/* audio to audio
OR
midi to midi
*/
_drags->set (new RegionInsertDrag (this, region_copy, rtav, pos), &event);
_drags->end_grab (0);
}
} else {
try {
if (boost::dynamic_pointer_cast<AudioRegion> (region)) {
list<boost::shared_ptr<AudioTrack> > audio_tracks;
audio_tracks = session()->new_audio_track (region->n_channels(), region->n_channels(), ARDOUR::Normal, 0, 1, region->name());
rtav = axis_view_from_route (audio_tracks.front());
} else if (boost::dynamic_pointer_cast<MidiRegion> (region)) {
ChanCount one_midi_port (DataType::MIDI, 1);
list<boost::shared_ptr<MidiTrack> > midi_tracks;
midi_tracks = session()->new_midi_track (one_midi_port, one_midi_port, boost::shared_ptr<ARDOUR::PluginInfo>(), ARDOUR::Normal, 0, 1, region->name());
rtav = axis_view_from_route (midi_tracks.front());
} else {
return;
}
} catch (...) {
error << _("Could not create new track after region placed in the drop zone") << endmsg;
return;
}
}
if (rtav != 0 && rtav->is_track ()) {
boost::shared_ptr<Region> region_copy = RegionFactory::create (region, true);
if ((boost::dynamic_pointer_cast<AudioRegion> (region_copy) != 0 && dynamic_cast<AudioTimeAxisView*> (rtav) != 0) ||
(boost::dynamic_pointer_cast<MidiRegion> (region_copy) != 0 && dynamic_cast<MidiTimeAxisView*> (rtav) != 0)) {
_drags->set (new RegionInsertDrag (this, region_copy, rtav, pos), &event);
_drags->end_grab (0);
}
}
}