2 Copyright (C) 2001-2006 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include <gtkmm2ext/gtk_ui.h>
28 #include "ardour/playlist.h"
29 #include "ardour/session.h"
31 #include "canvas/polygon.h"
32 #include "canvas/debug.h"
33 #include "canvas/pixbuf.h"
34 #include "canvas/text.h"
35 #include "canvas/line.h"
37 #include "ardour_ui.h"
38 #include "global_signals.h"
39 #include "streamview.h"
40 #include "region_view.h"
41 #include "automation_region_view.h"
42 #include "route_time_axis.h"
43 #include "public_editor.h"
44 #include "region_editor.h"
45 #include "ghostregion.h"
46 #include "route_time_axis.h"
47 #include "ui_config.h"
49 #include "rgb_macros.h"
50 #include "gui_thread.h"
55 using namespace ARDOUR;
57 using namespace Editing;
59 using namespace ArdourCanvas;
61 static const int32_t sync_mark_width = 9;
63 PBD::Signal1<void,RegionView*> RegionView::RegionViewGoingAway;
65 RegionView::RegionView (ArdourCanvas::Group* parent,
67 boost::shared_ptr<ARDOUR::Region> r,
69 Gdk::Color const & basic_color,
71 : TimeAxisViewItem (r->name(), *parent, tv, spu, basic_color, r->position(), r->length(), false, automation,
72 (automation ? TimeAxisViewItem::ShowFrame :
73 TimeAxisViewItem::Visibility (TimeAxisViewItem::ShowNameText|
74 TimeAxisViewItem::ShowNameHighlight| TimeAxisViewItem::ShowFrame)))
79 , current_visible_sync_position(0.0)
81 , _enable_display(false)
83 , in_destructor(false)
84 , wait_for_data(false)
86 , _region_relative_time_converter(r->session().tempo_map(), r->position())
87 , _source_relative_time_converter(r->session().tempo_map(), r->position() - r->start())
89 GhostRegion::CatchDeletion.connect (*this, invalidator (*this), boost::bind (&RegionView::remove_ghost, this, _1), gui_context());
92 RegionView::RegionView (const RegionView& other)
93 : sigc::trackable(other)
94 , TimeAxisViewItem (other)
96 , _region_relative_time_converter(other.region_relative_time_converter())
97 , _source_relative_time_converter(other.source_relative_time_converter())
99 /* derived concrete type will call init () */
101 _region = other._region;
102 current_visible_sync_position = other.current_visible_sync_position;
104 _pixel_width = other._pixel_width;
106 GhostRegion::CatchDeletion.connect (*this, invalidator (*this), boost::bind (&RegionView::remove_ghost, this, _1), gui_context());
109 RegionView::RegionView (const RegionView& other, boost::shared_ptr<Region> other_region)
110 : sigc::trackable(other)
111 , TimeAxisViewItem (other)
113 , _region_relative_time_converter(other_region->session().tempo_map(), other_region->position())
114 , _source_relative_time_converter(other_region->session().tempo_map(), other_region->position() - other_region->start())
116 /* this is a pseudo-copy constructor used when dragging regions
117 around on the canvas.
120 /* derived concrete type will call init () */
122 _region = other_region;
123 current_visible_sync_position = other.current_visible_sync_position;
125 _pixel_width = other._pixel_width;
127 GhostRegion::CatchDeletion.connect (*this, invalidator (*this), boost::bind (&RegionView::remove_ghost, this, _1), gui_context());
130 RegionView::RegionView (ArdourCanvas::Group* parent,
132 boost::shared_ptr<ARDOUR::Region> r,
134 Gdk::Color const & basic_color,
136 TimeAxisViewItem::Visibility visibility)
137 : TimeAxisViewItem (r->name(), *parent, tv, spu, basic_color, r->position(), r->length(), recording, false, visibility)
142 , current_visible_sync_position(0.0)
144 , _enable_display(false)
146 , in_destructor(false)
147 , wait_for_data(false)
149 , _region_relative_time_converter(r->session().tempo_map(), r->position())
150 , _source_relative_time_converter(r->session().tempo_map(), r->position() - r->start())
155 RegionView::init (Gdk::Color const & basic_color, bool wfd)
159 in_destructor = false;
166 compute_colors (basic_color);
168 if (name_highlight) {
169 name_highlight->set_data ("regionview", this);
170 name_highlight->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_region_view_name_highlight_event), name_highlight, this));
173 if (frame_handle_start) {
174 frame_handle_start->set_data ("regionview", this);
175 frame_handle_start->set_data ("isleft", (void*) 1);
176 frame_handle_start->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_frame_handle_event), frame_handle_start, this));
177 frame_handle_start->raise_to_top();
180 if (frame_handle_end) {
181 frame_handle_end->set_data ("regionview", this);
182 frame_handle_end->set_data ("isleft", (void*) 0);
183 frame_handle_end->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_frame_handle_event), frame_handle_end, this));
184 frame_handle_end->raise_to_top();
188 name_text->set_data ("regionview", this);
189 name_text->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_region_view_name_event), name_text, this));
193 _enable_display = true;
196 set_height (trackview.current_height());
198 _region->PropertyChanged.connect (*this, invalidator (*this), boost::bind (&RegionView::region_changed, this, _1), gui_context());
202 ColorsChanged.connect (sigc::mem_fun (*this, &RegionView::color_handler));
204 /* XXX sync mark drag? */
207 RegionView::~RegionView ()
209 in_destructor = true;
211 for (vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
215 for (list<ArdourCanvas::Rectangle*>::iterator i = _coverage_frames.begin (); i != _coverage_frames.end (); ++i) {
219 drop_silent_frames ();
225 RegionView::canvas_group_event (GdkEvent* event)
227 return trackview.editor().canvas_region_view_event (event, group, this);
231 RegionView::set_silent_frames (const AudioIntervalResult& silences, double /*threshold*/)
233 framecnt_t shortest = max_framecnt;
235 /* remove old silent frames */
236 drop_silent_frames ();
238 if (silences.empty()) {
242 uint32_t const color = ARDOUR_UI::config()->get_canvasvar_Silence();
244 for (AudioIntervalResult::const_iterator i = silences.begin(); i != silences.end(); ++i) {
246 ArdourCanvas::Rectangle* cr = new ArdourCanvas::Rectangle (group);
247 cr->set_ignore_events (true);
248 _silent_frames.push_back (cr);
250 /* coordinates for the rect are relative to the regionview origin */
252 cr->set_x0 (trackview.editor().sample_to_pixel (i->first - _region->start()));
253 cr->set_x1 (trackview.editor().sample_to_pixel (i->second - _region->start()));
255 cr->set_y1 (_height - 2);
256 cr->set_outline (false);
257 cr->set_fill_color (color);
259 shortest = min (shortest, i->second - i->first);
262 /* Find shortest audible segment */
263 framecnt_t shortest_audible = max_framecnt;
265 framecnt_t s = _region->start();
266 for (AudioIntervalResult::const_iterator i = silences.begin(); i != silences.end(); ++i) {
267 framecnt_t const dur = i->first - s;
269 shortest_audible = min (shortest_audible, dur);
275 framecnt_t const dur = _region->start() + _region->length() - 1 - s;
277 shortest_audible = min (shortest_audible, dur);
280 _silence_text = new ArdourCanvas::Text (group);
281 _silence_text->set_ignore_events (true);
282 _silence_text->set_font_description (get_font_for_style (N_("SilenceText")));
283 _silence_text->set_color (ARDOUR_UI::config()->get_canvasvar_SilenceText());
285 /* both positions are relative to the region start offset in source */
287 _silence_text->set_x_position (trackview.editor().sample_to_pixel (silences.front().first - _region->start()) + 10.0);
288 _silence_text->set_y_position (20.0);
290 double ms = (float) shortest/_region->session().frame_rate();
292 /* ms are now in seconds */
297 sunits = _("minutes");
299 } else if (ms < 1.0) {
306 string text = string_compose (ngettext ("%1 silent segment", "%1 silent segments", silences.size()), silences.size())
308 + string_compose (_("shortest = %1 %2"), ms, sunits);
310 if (shortest_audible != max_framepos) {
311 /* ms are now in seconds */
312 double ma = (float) shortest_audible / _region->session().frame_rate();
316 aunits = _("minutes");
318 } else if (ma < 1.0) {
325 text += string_compose (_("\n (shortest audible segment = %1 %2)"), ma, aunits);
328 _silence_text->set (text);
332 RegionView::hide_silent_frames ()
334 for (list<ArdourCanvas::Rectangle*>::iterator i = _silent_frames.begin (); i != _silent_frames.end (); ++i) {
337 _silence_text->hide();
341 RegionView::drop_silent_frames ()
343 for (list<ArdourCanvas::Rectangle*>::iterator i = _silent_frames.begin (); i != _silent_frames.end (); ++i) {
346 _silent_frames.clear ();
348 delete _silence_text;
353 RegionView::_lock_toggle (ArdourCanvas::Item*, GdkEvent* ev, void* arg)
356 case GDK_BUTTON_RELEASE:
357 static_cast<RegionView*>(arg)->lock_toggle ();
367 RegionView::lock_toggle ()
369 _region->set_locked (!_region->locked());
373 RegionView::region_changed (const PropertyChange& what_changed)
375 ENSURE_GUI_THREAD (*this, &RegionView::region_changed, what_changed);
377 if (what_changed.contains (ARDOUR::bounds_change)) {
378 region_resized (what_changed);
379 region_sync_changed ();
381 if (what_changed.contains (ARDOUR::Properties::muted)) {
384 if (what_changed.contains (ARDOUR::Properties::opaque)) {
387 if (what_changed.contains (ARDOUR::Properties::name)) {
390 if (what_changed.contains (ARDOUR::Properties::sync_position)) {
391 region_sync_changed ();
393 if (what_changed.contains (ARDOUR::Properties::locked)) {
396 if (what_changed.contains (ARDOUR::Properties::locked)) {
397 /* name will show locked status */
403 RegionView::region_locked ()
405 /* name will show locked status */
410 RegionView::region_resized (const PropertyChange& what_changed)
414 if (what_changed.contains (ARDOUR::Properties::position)) {
415 set_position (_region->position(), 0);
416 _region_relative_time_converter.set_origin_b (_region->position());
419 if (what_changed.contains (ARDOUR::Properties::start) || what_changed.contains (ARDOUR::Properties::position)) {
420 _source_relative_time_converter.set_origin_b (_region->position() - _region->start());
423 PropertyChange s_and_l;
424 s_and_l.add (ARDOUR::Properties::start);
425 s_and_l.add (ARDOUR::Properties::length);
427 if (what_changed.contains (s_and_l)) {
429 set_duration (_region->length(), 0);
431 unit_length = _region->length() / samples_per_pixel;
433 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
435 (*i)->set_duration (unit_length);
442 RegionView::reset_width_dependent_items (double pixel_width)
444 TimeAxisViewItem::reset_width_dependent_items (pixel_width);
445 _pixel_width = pixel_width;
449 RegionView::region_muted ()
456 RegionView::region_opacity ()
462 RegionView::raise_to_top ()
464 _region->raise_to_top ();
468 RegionView::lower_to_bottom ()
470 _region->lower_to_bottom ();
474 RegionView::set_position (framepos_t pos, void* /*src*/, double* ignored)
479 if (!(ret = TimeAxisViewItem::set_position (pos, this, &delta))) {
488 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
489 (*i)->group->move (ArdourCanvas::Duple (delta, 0.0));
497 RegionView::set_samples_per_pixel (double fpp)
499 TimeAxisViewItem::set_samples_per_pixel (fpp);
501 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
502 (*i)->set_samples_per_pixel (fpp);
503 (*i)->set_duration (_region->length() / fpp);
506 region_sync_changed ();
510 RegionView::set_duration (framecnt_t frames, void *src)
512 if (!TimeAxisViewItem::set_duration (frames, src)) {
516 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
517 (*i)->set_duration (_region->length() / samples_per_pixel);
524 RegionView::set_colors ()
526 TimeAxisViewItem::set_colors ();
529 /* XXX: make these colours themable */
530 sync_mark->set_fill_color (RGBA_TO_UINT (0, 255, 0, 255));
531 sync_line->set_outline_color (RGBA_TO_UINT (0, 255, 0, 255));
536 RegionView::set_frame_color ()
538 if (_region->opaque()) {
544 TimeAxisViewItem::set_frame_color ();
548 RegionView::fake_set_opaque (bool yn)
560 RegionView::show_region_editor ()
563 editor = new RegionEditor (trackview.session(), region());
571 RegionView::hide_region_editor()
579 RegionView::make_name () const
583 // XXX nice to have some good icons for this
585 if (_region->locked()) {
587 str += _region->name();
589 } else if (_region->position_locked()) {
591 str += _region->name();
593 } else if (_region->video_locked()) {
595 str += _region->name();
598 str = _region->name();
601 if (_region->muted()) {
602 str = string ("!") + str;
609 RegionView::region_renamed ()
611 std::string str = make_name ();
613 set_item_name (str, this);
615 reset_width_dependent_items (_pixel_width);
619 RegionView::region_sync_changed ()
622 framecnt_t sync_offset;
624 sync_offset = _region->sync_offset (sync_dir);
626 if (sync_offset == 0) {
627 /* no need for a sync mark */
637 /* points set below */
639 sync_mark = new ArdourCanvas::Polygon (group);
640 CANVAS_DEBUG_NAME (sync_mark, string_compose ("sync mark for %1", get_item_name()));
641 sync_mark->set_fill_color (RGBA_TO_UINT(0,255,0,255)); // FIXME make a themeable colour
643 sync_line = new ArdourCanvas::Line (group);
644 CANVAS_DEBUG_NAME (sync_line, string_compose ("sync mark for %1", get_item_name()));
645 sync_line->set_outline_color (RGBA_TO_UINT(0,255,0,255)); // FIXME make a themeable colour
648 /* this has to handle both a genuine change of position, a change of samples_per_pixel
649 and a change in the bounds of the _region->
652 if (sync_offset == 0) {
654 /* no sync mark - its the start of the region */
661 if ((sync_dir < 0) || ((sync_dir > 0) && (sync_offset > _region->length()))) {
663 /* no sync mark - its out of the bounds of the region */
674 //points = sync_mark->property_points().get_value();
676 double offset = sync_offset / samples_per_pixel;
677 points.push_back (ArdourCanvas::Duple (offset - ((sync_mark_width-1)/2), 1));
678 points.push_back (ArdourCanvas::Duple (offset + ((sync_mark_width-1)/2), 1));
679 points.push_back (ArdourCanvas::Duple (offset, sync_mark_width - 1));
680 points.push_back (ArdourCanvas::Duple (offset - ((sync_mark_width-1)/2), 1));
681 sync_mark->set (points);
684 sync_line->set (ArdourCanvas::Duple (offset, 0), ArdourCanvas::Duple (offset, trackview.current_height() - NAME_HIGHLIGHT_SIZE));
691 RegionView::move (double x_delta, double y_delta)
693 if (!_region->can_move() || (x_delta == 0 && y_delta == 0)) {
697 get_canvas_group()->move (ArdourCanvas::Duple (x_delta, y_delta));
699 /* note: ghosts never leave their tracks so y_delta for them is always zero */
701 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
702 (*i)->group->move (ArdourCanvas::Duple (x_delta, 0.0));
707 RegionView::remove_ghost_in (TimeAxisView& tv)
709 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
710 if (&(*i)->trackview == &tv) {
718 RegionView::remove_ghost (GhostRegion* ghost)
724 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
733 RegionView::get_fill_color ()
739 RegionView::set_height (double h)
741 TimeAxisViewItem::set_height(h);
746 framecnt_t sync_offset;
747 sync_offset = _region->sync_offset (sync_dir);
748 double offset = sync_offset / samples_per_pixel;
751 ArdourCanvas::Duple (offset, 0),
752 ArdourCanvas::Duple (offset, h - NAME_HIGHLIGHT_SIZE)
756 for (list<ArdourCanvas::Rectangle*>::iterator i = _coverage_frames.begin(); i != _coverage_frames.end(); ++i) {
757 (*i)->set_y1 (h + 1);
760 for (list<ArdourCanvas::Rectangle*>::iterator i = _silent_frames.begin(); i != _silent_frames.end(); ++i) {
761 (*i)->set_y1 (h + 1);
766 /** Remove old coverage frames and make new ones, if we're in a LayerDisplay mode
767 * which uses them. */
769 RegionView::update_coverage_frames (LayerDisplay d)
771 /* remove old coverage frames */
772 for (list<ArdourCanvas::Rectangle*>::iterator i = _coverage_frames.begin (); i != _coverage_frames.end (); ++i) {
776 _coverage_frames.clear ();
779 /* don't do coverage frames unless we're in stacked mode */
783 boost::shared_ptr<Playlist> pl (_region->playlist ());
788 framepos_t const position = _region->first_frame ();
789 framepos_t t = position;
790 framepos_t const end = _region->last_frame ();
792 ArdourCanvas::Rectangle* cr = 0;
795 /* the color that will be used to show parts of regions that will not be heard */
796 uint32_t const non_playing_color = ARDOUR_UI::config()->get_canvasvar_CoveredRegion ();
802 /* is this region is on top at time t? */
803 bool const new_me = (pl->top_unmuted_region_at (t) == _region);
805 /* finish off any old rect, if required */
806 if (cr && me != new_me) {
807 cr->set_x1 (trackview.editor().sample_to_pixel (t - position));
810 /* start off any new rect, if required */
811 if (cr == 0 || me != new_me) {
812 cr = new ArdourCanvas::Rectangle (group);
813 _coverage_frames.push_back (cr);
814 cr->set_x0 (trackview.editor().sample_to_pixel (t - position));
816 cr->set_y1 (_height + 1);
817 cr->set_outline (false);
818 cr->set_ignore_events (true);
820 cr->set_fill_color (UINT_RGBA_CHANGE_A (non_playing_color, 0));
822 cr->set_fill_color (non_playing_color);
826 t = pl->find_next_region_boundary (t, 1);
831 /* finish off the last rectangle */
832 cr->set_x1 (trackview.editor().sample_to_pixel (end - position));
835 if (frame_handle_start) {
836 frame_handle_start->raise_to_top ();
839 if (frame_handle_end) {
840 frame_handle_end->raise_to_top ();
843 if (name_highlight) {
844 name_highlight->raise_to_top ();
848 name_text->raise_to_top ();
853 RegionView::trim_front (framepos_t new_bound, bool no_overlap)
855 if (_region->locked()) {
859 RouteTimeAxisView& rtv = dynamic_cast<RouteTimeAxisView&> (trackview);
860 double const speed = rtv.track()->speed ();
862 framepos_t const pre_trim_first_frame = _region->first_frame();
864 _region->trim_front ((framepos_t) (new_bound * speed));
867 // Get the next region on the left of this region and shrink/expand it.
868 boost::shared_ptr<Playlist> playlist (_region->playlist());
869 boost::shared_ptr<Region> region_left = playlist->find_next_region (pre_trim_first_frame, End, 0);
871 bool regions_touching = false;
873 if (region_left != 0 && (pre_trim_first_frame == region_left->last_frame() + 1)) {
874 regions_touching = true;
877 // Only trim region on the left if the first frame has gone beyond the left region's last frame.
878 if (region_left != 0 && (region_left->last_frame() > _region->first_frame() || regions_touching)) {
879 region_left->trim_end (_region->first_frame() - 1);
883 region_changed (ARDOUR::bounds_change);
885 return (pre_trim_first_frame != _region->first_frame()); //return true if we actually changed something
889 RegionView::trim_end (framepos_t new_bound, bool no_overlap)
891 if (_region->locked()) {
895 RouteTimeAxisView& rtv = dynamic_cast<RouteTimeAxisView&> (trackview);
896 double const speed = rtv.track()->speed ();
898 framepos_t const pre_trim_last_frame = _region->last_frame();
900 _region->trim_end ((framepos_t) (new_bound * speed));
903 // Get the next region on the right of this region and shrink/expand it.
904 boost::shared_ptr<Playlist> playlist (_region->playlist());
905 boost::shared_ptr<Region> region_right = playlist->find_next_region (pre_trim_last_frame, Start, 1);
907 bool regions_touching = false;
909 if (region_right != 0 && (pre_trim_last_frame == region_right->first_frame() - 1)) {
910 regions_touching = true;
913 // Only trim region on the right if the last frame has gone beyond the right region's first frame.
914 if (region_right != 0 && (region_right->first_frame() < _region->last_frame() || regions_touching)) {
915 region_right->trim_front (_region->last_frame() + 1);
918 region_changed (ARDOUR::bounds_change);
921 region_changed (PropertyChange (ARDOUR::Properties::length));
924 return (pre_trim_last_frame != _region->last_frame()); //return true if we actually changed something
929 RegionView::thaw_after_trim ()
931 if (_region->locked()) {
935 _region->resume_property_changes ();
940 RegionView::move_contents (frameoffset_t distance)
942 if (_region->locked()) {
945 _region->move_start (distance);
946 region_changed (PropertyChange (ARDOUR::Properties::start));
949 /** Snap a frame offset within our region using the current snap settings.
950 * @param x Frame offset from this region's position.
951 * @return Snapped frame offset from this region's position.
954 RegionView::snap_frame_to_frame (frameoffset_t x) const
956 PublicEditor& editor = trackview.editor();
958 /* x is region relative, convert it to global absolute frames */
959 framepos_t const session_frame = x + _region->position();
961 /* try a snap in either direction */
962 framepos_t frame = session_frame;
963 editor.snap_to (frame, 0);
965 /* if we went off the beginning of the region, snap forwards */
966 if (frame < _region->position ()) {
967 frame = session_frame;
968 editor.snap_to (frame, 1);
971 /* back to region relative */
972 return frame - _region->position();