/*
- Copyright (C) 2001, 2006 Paul Davis
+ Copyright (C) 2001, 2006 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <gtkmm.h>
#include <gtkmm2ext/gtk_ui.h>
+#include <gtkmm2ext/utils.h>
-#include <ardour/playlist.h>
-#include <ardour/region.h>
-#include <ardour/source.h>
-#include <ardour/diskstream.h>
-#include <ardour/track.h>
+#include "ardour/playlist.h"
+#include "ardour/region.h"
+#include "ardour/source.h"
+#include "ardour/track.h"
+#include "ardour/session.h"
#include "streamview.h"
+#include "global_signals.h"
#include "region_view.h"
#include "route_time_axis.h"
#include "canvas-waveview.h"
#include "rgb_macros.h"
#include "gui_thread.h"
#include "utils.h"
-#include "color.h"
+using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Editing;
-StreamView::StreamView (RouteTimeAxisView& tv)
+StreamView::StreamView (RouteTimeAxisView& tv, ArdourCanvas::Group* background_group, ArdourCanvas::Group* canvas_group)
: _trackview (tv)
- , canvas_group(new ArdourCanvas::Group(*_trackview.canvas_display))
- , canvas_rect(new ArdourCanvas::SimpleRect (*canvas_group))
- , _samples_per_unit(_trackview.editor.get_current_zoom())
+ , owns_background_group (background_group == 0)
+ , owns_canvas_group (canvas_group == 0)
+ , _background_group (background_group ? background_group : new ArdourCanvas::Group (*_trackview.canvas_background()))
+ , _canvas_group (canvas_group ? canvas_group : new ArdourCanvas::Group(*_trackview.canvas_display()))
+ , _samples_per_unit (_trackview.editor().get_current_zoom ())
, rec_updating(false)
, rec_active(false)
- , use_rec_regions(tv.editor.show_waveforms_recording())
, region_color(_trackview.color())
, stream_base_color(0xFFFFFFFF)
+ , _layers (1)
+ , _layer_display (Overlaid)
+ , height(tv.height)
, last_rec_data_frame(0)
{
/* set_position() will position the group */
- canvas_rect = new ArdourCanvas::SimpleRect (*canvas_group);
+ canvas_rect = new ArdourCanvas::SimpleRect (*_background_group);
canvas_rect->property_x1() = 0.0;
canvas_rect->property_y1() = 0.0;
- canvas_rect->property_x2() = 1000000.0;
- canvas_rect->property_y2() = (double) tv.height;
- canvas_rect->property_outline_what() = (guint32) (0x1|0x2|0x8); // outline ends and bottom
- // (Fill/Outline colours set in derived classes)
+ canvas_rect->property_x2() = Gtkmm2ext::physical_screen_width (_trackview.editor().get_window());
+ canvas_rect->property_y2() = (double) tv.current_height();
+ canvas_rect->raise(1); // raise above tempo lines
- canvas_rect->signal_event().connect (bind (mem_fun (_trackview.editor, &PublicEditor::canvas_stream_view_event), canvas_rect, &_trackview));
+ canvas_rect->property_outline_what() = (guint32) (0x2|0x8); // outline RHS and bottom
+ canvas_rect->property_outline_color_rgba() = RGBA_TO_UINT (0, 0, 0, 255);
+
+ canvas_rect->signal_event().connect (sigc::bind (
+ sigc::mem_fun (_trackview.editor(), &PublicEditor::canvas_stream_view_event),
+ canvas_rect, &_trackview));
if (_trackview.is_track()) {
- _trackview.track()->DiskstreamChanged.connect (mem_fun (*this, &StreamView::diskstream_changed));
- _trackview.session().TransportStateChange.connect (mem_fun (*this, &StreamView::transport_changed));
- _trackview.get_diskstream()->RecordEnableChanged.connect (mem_fun (*this, &StreamView::rec_enable_changed));
- _trackview.session().RecordStateChanged.connect (mem_fun (*this, &StreamView::sess_rec_enable_changed));
- }
+ _trackview.track()->DiskstreamChanged.connect (*this, invalidator (*this), boost::bind (&StreamView::diskstream_changed, this), gui_context());
+ _trackview.track()->RecordEnableChanged.connect (*this, invalidator (*this), boost::bind (&StreamView::rec_enable_changed, this), gui_context());
+
+ _trackview.session()->TransportStateChange.connect (*this, invalidator (*this), boost::bind (&StreamView::transport_changed, this), gui_context());
+ _trackview.session()->TransportLooped.connect (*this, invalidator (*this), boost::bind (&StreamView::transport_looped, this), gui_context());
+ _trackview.session()->RecordStateChanged.connect (*this, invalidator (*this), boost::bind (&StreamView::sess_rec_enable_changed, this), gui_context());
+ }
- ColorChanged.connect (mem_fun (*this, &StreamView::color_handler));
+ ColorsChanged.connect (sigc::mem_fun (*this, &StreamView::color_handler));
}
StreamView::~StreamView ()
{
- undisplay_diskstream ();
- delete canvas_group;
+ undisplay_track ();
+
+ delete canvas_rect;
+
+ if (owns_background_group) {
+ delete _background_group;
+ }
+
+ if (owns_canvas_group) {
+ delete _canvas_group;
+ }
}
void
StreamView::attach ()
{
if (_trackview.is_track()) {
- display_diskstream (_trackview.get_diskstream());
+ display_track (_trackview.track ());
}
}
int
StreamView::set_position (gdouble x, gdouble y)
-
{
- canvas_group->property_x() = x;
- canvas_group->property_y() = y;
+ _canvas_group->property_x() = x;
+ _canvas_group->property_y() = y;
return 0;
}
int
-StreamView::set_height (gdouble h)
+StreamView::set_height (double h)
{
/* limit the values to something sane-ish */
-
if (h < 10.0 || h > 1000.0) {
return -1;
}
- canvas_rect->property_y2() = h;
-
- for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
- (*i)->set_height (h);
+ if (canvas_rect->property_y2() == h) {
+ return 0;
}
- /*for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
- (*i)->set_height (h);
- }*/
-
- for (vector<RecBoxInfo>::iterator i = rec_rects.begin(); i != rec_rects.end(); ++i) {
- RecBoxInfo &recbox = (*i);
- recbox.rectangle->property_y2() = h - 1.0;
- }
+ height = h;
+ canvas_rect->property_y2() = height;
+ update_contents_height ();
return 0;
}
-int
+int
StreamView::set_samples_per_unit (gdouble spp)
{
RegionViewList::iterator i;
for (vector<RecBoxInfo>::iterator xi = rec_rects.begin(); xi != rec_rects.end(); ++xi) {
RecBoxInfo &recbox = (*xi);
-
- gdouble xstart = _trackview.editor.frame_to_pixel ( recbox.start );
- gdouble xend = _trackview.editor.frame_to_pixel ( recbox.start + recbox.length );
+
+ gdouble xstart = _trackview.editor().frame_to_pixel (recbox.start);
+ gdouble xend = _trackview.editor().frame_to_pixel (recbox.start + recbox.length);
recbox.rectangle->property_x1() = xstart;
recbox.rectangle->property_x2() = xend;
}
+ update_coverage_frames ();
+
return 0;
}
void
-StreamView::add_region_view (boost::shared_ptr<Region> r)
+StreamView::add_region_view (boost::weak_ptr<Region> wr)
{
+ boost::shared_ptr<Region> r (wr.lock());
+ if (!r) {
+ return;
+ }
+
add_region_view_internal (r, true);
+
+ if (_layer_display == Stacked) {
+ update_contents_height ();
+ }
}
void
StreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
{
- ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::remove_region_view), weak_r));
+ ENSURE_GUI_THREAD (*this, &StreamView::remove_region_view, weak_r)
boost::shared_ptr<Region> r (weak_r.lock());
for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
if (((*i)->region()) == r) {
- delete *i;
+ RegionView* rv = *i;
region_views.erase (i);
+ delete rv;
break;
}
}
+
+ RegionViewRemoved (); /* EMIT SIGNAL */
}
void
-StreamView::undisplay_diskstream ()
+StreamView::undisplay_track ()
{
- for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
+ for (RegionViewList::iterator i = region_views.begin(); i != region_views.end() ; ) {
+ RegionViewList::iterator next = i;
+ ++next;
delete *i;
+ i = next;
}
region_views.clear();
}
void
-StreamView::display_diskstream (boost::shared_ptr<Diskstream> ds)
+StreamView::display_track (boost::shared_ptr<Track> tr)
{
- playlist_change_connection.disconnect();
- playlist_changed (ds);
- playlist_change_connection = ds->PlaylistChanged.connect (bind (mem_fun (*this, &StreamView::playlist_changed), ds));
+ playlist_switched_connection.disconnect();
+ playlist_switched (tr);
+ tr->PlaylistChanged.connect (playlist_switched_connection, invalidator (*this), boost::bind (&StreamView::playlist_switched, this, boost::weak_ptr<Track> (tr)), gui_context());
}
void
-StreamView::playlist_modified ()
+StreamView::layer_regions()
{
- ENSURE_GUI_THREAD (mem_fun (*this, &StreamView::playlist_modified));
+ // In one traversal of the region view list:
+ // - Build a list of region views sorted by layer
+ // - Remove invalid views from the actual region view list
+ RegionViewList copy;
+ list<RegionView*>::iterator i, tmp;
+ for (i = region_views.begin(); i != region_views.end(); ) {
+ tmp = i;
+ tmp++;
+
+ if (!(*i)->is_valid()) {
+ delete *i;
+ region_views.erase (i);
+ i = tmp;
+ continue;
+ } else {
+ (*i)->enable_display(true);
+ }
- for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
- region_layered (*i);
+ if (copy.size() == 0) {
+ copy.push_front((*i));
+ i = tmp;
+ continue;
+ }
+
+ RegionViewList::iterator k = copy.begin();
+ RegionViewList::iterator l = copy.end();
+ l--;
+
+ if ((*i)->region()->layer() <= (*k)->region()->layer()) {
+ copy.push_front((*i));
+ i = tmp;
+ continue;
+ } else if ((*i)->region()->layer() >= (*l)->region()->layer()) {
+ copy.push_back((*i));
+ i = tmp;
+ continue;
+ }
+
+ for (RegionViewList::iterator j = copy.begin(); j != copy.end(); ++j) {
+ if ((*j)->region()->layer() >= (*i)->region()->layer()) {
+ copy.insert(j, (*i));
+ break;
+ }
+ }
+
+ i = tmp;
+ }
+
+ // Fix canvas layering by raising each to the top in the sorted order.
+ for (RegionViewList::iterator i = copy.begin(); i != copy.end(); ++i) {
+ (*i)->get_canvas_group()->raise_to_top ();
}
}
void
-StreamView::playlist_changed (boost::shared_ptr<Diskstream> ds)
+StreamView::playlist_layered (boost::weak_ptr<Track> wtr)
{
- ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::playlist_changed), ds));
-
- /* disconnect from old playlist */
+ boost::shared_ptr<Track> tr (wtr.lock());
- for (vector<sigc::connection>::iterator i = playlist_connections.begin(); i != playlist_connections.end(); ++i) {
- (*i).disconnect();
+ if (!tr) {
+ return;
}
-
- playlist_connections.clear();
- undisplay_diskstream ();
- /* draw it */
-
- redisplay_diskstream ();
-
- /* catch changes */
+ /* update layers count and the y positions and heights of our regions */
+ if (tr->playlist()) {
+ _layers = tr->playlist()->top_layer() + 1;
+ }
- playlist_connections.push_back (ds->playlist()->RegionAdded.connect (mem_fun (*this, &StreamView::add_region_view)));
- playlist_connections.push_back (ds->playlist()->RegionRemoved.connect (mem_fun (*this, &StreamView::remove_region_view)));
- playlist_connections.push_back (ds->playlist()->StateChanged.connect (mem_fun (*this, &StreamView::playlist_state_changed)));
- playlist_connections.push_back (ds->playlist()->Modified.connect (mem_fun (*this, &StreamView::playlist_modified)));
+ if (_layer_display == Stacked) {
+ update_contents_height ();
+ update_coverage_frames ();
+ } else {
+ /* layering has probably been modified. reflect this in the canvas. */
+ layer_regions();
+ }
}
void
-StreamView::playlist_state_changed (Change ignored)
+StreamView::playlist_switched (boost::weak_ptr<Track> wtr)
{
- ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::playlist_state_changed), ignored));
+ boost::shared_ptr<Track> tr (wtr.lock());
+
+ if (!tr) {
+ return;
+ }
+
+ /* disconnect from old playlist */
+
+ playlist_connections.drop_connections ();
+ undisplay_track ();
+
+ /* update layers count and the y positions and heights of our regions */
+ _layers = tr->playlist()->top_layer() + 1;
+ update_contents_height ();
+ update_coverage_frames ();
+
+ tr->playlist()->set_explicit_relayering (_layer_display == Stacked);
+
+ /* draw it */
- redisplay_diskstream ();
+ redisplay_track ();
+
+ /* catch changes */
+
+ tr->playlist()->LayeringChanged.connect (playlist_connections, invalidator (*this), boost::bind (&StreamView::playlist_layered, this, boost::weak_ptr<Track> (tr)), gui_context());
+ tr->playlist()->RegionAdded.connect (playlist_connections, invalidator (*this), ui_bind (&StreamView::add_region_view, this, _1), gui_context());
+ tr->playlist()->RegionRemoved.connect (playlist_connections, invalidator (*this), ui_bind (&StreamView::remove_region_view, this, _1), gui_context());
+ tr->playlist()->ContentsChanged.connect (playlist_connections, invalidator (*this), ui_bind (&StreamView::update_coverage_frames, this), gui_context());
}
void
StreamView::diskstream_changed ()
{
- Track *t;
-
+ boost::shared_ptr<Track> t;
+
if ((t = _trackview.track()) != 0) {
- Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun (*this, &StreamView::display_diskstream), t->diskstream()));
+ Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::display_track, this, t));
} else {
- Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::undisplay_diskstream));
+ Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::undisplay_track, this));
}
}
void
StreamView::apply_color (Gdk::Color& color, ColorTarget target)
-
{
list<RegionView *>::iterator i;
(*i)->set_color (region_color);
}
break;
-
+
case StreamBaseColor:
stream_base_color = RGBA_TO_UINT (
color.get_red_p(), color.get_green_p(), color.get_blue_p(), 255);
void
StreamView::region_layered (RegionView* rv)
{
- rv->get_canvas_group()->lower_to_bottom();
-
/* don't ever leave it at the bottom, since then it doesn't
get events - the parent group does instead ...
*/
-
- /* this used to be + 1, but regions to the left ended up below
- ..something.. and couldn't receive events. why? good question.
- */
- rv->get_canvas_group()->raise (rv->region()->layer() + 2);
+ rv->get_canvas_group()->raise (rv->region()->layer());
}
void
StreamView::rec_enable_changed ()
{
- Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
+ setup_rec_box ();
}
void
StreamView::sess_rec_enable_changed ()
{
- Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
+ setup_rec_box ();
}
void
StreamView::transport_changed()
{
- Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
+ setup_rec_box ();
+}
+
+void
+StreamView::transport_looped()
+{
+ // to force a new rec region
+ rec_active = false;
+ Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::setup_rec_box, this));
}
void
if (rec_active && rec_rects.size() > 0) {
/* only update the last box */
RecBoxInfo & rect = rec_rects.back();
- nframes_t at = _trackview.get_diskstream()->current_capture_end();
+ framepos_t const at = _trackview.track()->current_capture_end ();
double xstart;
double xend;
-
+
switch (_trackview.track()->mode()) {
+
+ case NonLayered:
case Normal:
rect.length = at - rect.start;
- xstart = _trackview.editor.frame_to_pixel (rect.start);
- xend = _trackview.editor.frame_to_pixel (at);
+ xstart = _trackview.editor().frame_to_pixel (rect.start);
+ xend = _trackview.editor().frame_to_pixel (at);
break;
-
+
case Destructive:
rect.length = 2;
- xstart = _trackview.editor.frame_to_pixel (_trackview.get_diskstream()->current_capture_start());
- xend = _trackview.editor.frame_to_pixel (at);
+ xstart = _trackview.editor().frame_to_pixel (_trackview.track()->current_capture_start());
+ xend = _trackview.editor().frame_to_pixel (at);
break;
}
-
+
rect.rectangle->property_x1() = xstart;
rect.rectangle->property_x2() = xend;
}
}
-
+
RegionView*
StreamView::find_view (boost::shared_ptr<const Region> region)
{
}
return 0;
}
-
+
+uint32_t
+StreamView::num_selected_regionviews () const
+{
+ uint32_t cnt = 0;
+
+ for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
+ if ((*i)->get_selected()) {
+ ++cnt;
+ }
+ }
+ return cnt;
+}
+
void
StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
{
}
}
+void
+StreamView::foreach_selected_regionview (sigc::slot<void,RegionView*> slot)
+{
+ for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
+ if ((*i)->get_selected()) {
+ slot (*i);
+ }
+ }
+}
+
void
StreamView::set_selected_regionviews (RegionSelection& regions)
{
bool selected;
- // cerr << _trackview.name() << " (selected = " << regions.size() << ")" << endl;
for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
-
+
selected = false;
-
+
for (RegionSelection::iterator ii = regions.begin(); ii != regions.end(); ++ii) {
if (*i == *ii) {
selected = true;
+ break;
}
}
-
- // cerr << "\tregion " << (*i)->region().name() << " selected = " << selected << endl;
+
(*i)->set_selected (selected);
}
}
+
+/** Get selectable things within a given range.
+ * @param start Start time in session frames.
+ * @param end End time in session frames.
+ * @param top Top y range, in trackview coordinates (ie 0 is the top of the track view)
+ * @param bot Bottom y range, in trackview coordinates (ie 0 is the top of the track view)
+ * @param result Filled in with selectable things.
+ */
+
void
-StreamView::get_selectables (nframes_t start, nframes_t end, list<Selectable*>& results)
+StreamView::get_selectables (framepos_t start, framepos_t end, double top, double bottom, list<Selectable*>& results)
{
+ layer_t min_layer = 0;
+ layer_t max_layer = 0;
+
+ if (_layer_display == Stacked) {
+ double const c = child_height ();
+ min_layer = _layers - ((bottom - _trackview.y_position()) / c);
+ max_layer = _layers - ((top - _trackview.y_position()) / c);
+ }
+
for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
- if ((*i)->region()->coverage(start, end) != OverlapNone) {
+
+ bool layer_ok = true;
+
+ if (_layer_display == Stacked) {
+ layer_t const l = (*i)->region()->layer ();
+ layer_ok = (min_layer <= l && l <= max_layer);
+ }
+
+ if ((*i)->region()->coverage (start, end) != OverlapNone && layer_ok) {
results.push_back (*i);
}
}
}
}
+/** @return height of a child region view, depending on stacked / overlaid mode */
+double
+StreamView::child_height () const
+{
+ if (_layer_display == Stacked) {
+ return height / _layers;
+ }
+
+ return height;
+}
+
+void
+StreamView::update_contents_height ()
+{
+ const double h = child_height ();
+
+ for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
+ switch (_layer_display) {
+ case Overlaid:
+ (*i)->set_y (0);
+ break;
+ case Stacked:
+ (*i)->set_y (height - ((*i)->region()->layer() + 1) * h);
+ break;
+ }
+
+ (*i)->set_height (h);
+ }
+
+ for (vector<RecBoxInfo>::iterator i = rec_rects.begin(); i != rec_rects.end(); ++i) {
+ switch (_layer_display) {
+ case Overlaid:
+ i->rectangle->property_y2() = height;
+ break;
+ case Stacked:
+ /* In stacked displays, the recregion is always at the top */
+ i->rectangle->property_y1() = 0;
+ i->rectangle->property_y2() = h;
+ break;
+ }
+ }
+}
+
+void
+StreamView::set_layer_display (LayerDisplay d)
+{
+ _layer_display = d;
+ update_contents_height ();
+ update_coverage_frames ();
+ _trackview.track()->playlist()->set_explicit_relayering (_layer_display == Stacked);
+}
+
+void
+StreamView::update_coverage_frames ()
+{
+ for (RegionViewList::iterator i = region_views.begin (); i != region_views.end (); ++i) {
+ (*i)->update_coverage_frames (_layer_display);
+ }
+}
+
+void
+StreamView::check_record_layers (boost::shared_ptr<Region> region, framepos_t to)
+{
+ if (_new_rec_layer_time < to) {
+ /* The region being recorded has overlapped the start of a top-layered region, so
+ `fake' a new visual layer for the recording. This is only a visual thing for now,
+ as the proper layering will get sorted out when the recorded region is added to
+ its playlist.
+ */
+
+ /* Stop this happening again */
+ _new_rec_layer_time = max_framepos;
+
+ /* Make space in the view for the new layer */
+ ++_layers;
+
+ /* Set the temporary region to the correct layer so that it gets drawn correctly */
+ region->set_layer (_layers - 1);
+
+ /* and reset the view */
+ update_contents_height ();
+ }
+}
+
+void
+StreamView::setup_new_rec_layer_time (boost::shared_ptr<Region> region)
+{
+ /* If we are in Stacked mode, we may need to (visually) create a new layer to put the
+ recorded region in. To work out where this needs to happen, find the start of the next
+ top-layered region after the start of the region we are recording and make a note of it.
+ */
+ if (_layer_display == Stacked) {
+ _new_rec_layer_time = _trackview.track()->playlist()->find_next_top_layer_position (region->start());
+ } else {
+ _new_rec_layer_time = max_framepos;
+ }
+}
+
+void
+StreamView::enter_internal_edit_mode ()
+{
+ for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
+ (*i)->hide_rect ();
+ }
+}
+
+void
+StreamView::leave_internal_edit_mode ()
+{
+ for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
+ (*i)->show_rect ();
+ }
+}