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livetrax/gtk2_ardour/audio_region_view.cc
Ben Loftis cc396baf0d Fix some visual loopholes when switching tools inside a region: 
switching to Grab should show the fade handles...
...switching away from grab should hide them.
Also, change "always show gain" preference to show lines, but not control points.
2015-06-01 13:12:39 -05:00

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/*
Copyright (C) 2001-2006 Paul Davis
This program is free software; you can r>edistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <cmath>
#include <cassert>
#include <algorithm>
#include <vector>
#include <boost/scoped_array.hpp>
#include <gtkmm.h>
#include <gtkmm2ext/gtk_ui.h>
#include "ardour/playlist.h"
#include "ardour/audioregion.h"
#include "ardour/audiosource.h"
#include "ardour/profile.h"
#include "ardour/session.h"
#include "pbd/memento_command.h"
#include "pbd/stacktrace.h"
#include "evoral/Curve.hpp"
#include "canvas/rectangle.h"
#include "canvas/polygon.h"
#include "canvas/poly_line.h"
#include "canvas/line.h"
#include "canvas/text.h"
#include "canvas/xfade_curve.h"
#include "canvas/debug.h"
#include "canvas/utils.h"
#include "canvas/colors.h"
#include "streamview.h"
#include "audio_region_view.h"
#include "audio_time_axis.h"
#include "public_editor.h"
#include "audio_region_editor.h"
#include "audio_streamview.h"
#include "region_gain_line.h"
#include "control_point.h"
#include "ghostregion.h"
#include "audio_time_axis.h"
#include "rgb_macros.h"
#include "gui_thread.h"
#include "ardour_ui.h"
#include "i18n.h"
#define MUTED_ALPHA 48
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Editing;
using namespace ArdourCanvas;
static double const handle_size = 10; /* height of fade handles */
AudioRegionView::AudioRegionView (ArdourCanvas::Container *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
uint32_t basic_color)
: RegionView (parent, tv, r, spu, basic_color)
, sync_mark(0)
, fade_in_handle(0)
, fade_out_handle(0)
, fade_in_trim_handle(0)
, fade_out_trim_handle(0)
, start_xfade_curve (0)
, start_xfade_rect (0)
, _start_xfade_visible (false)
, end_xfade_curve (0)
, end_xfade_rect (0)
, _end_xfade_visible (false)
, _amplitude_above_axis(1.0)
, trim_fade_in_drag_active(false)
, trim_fade_out_drag_active(false)
{
Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&AudioRegionView::parameter_changed, this, _1), gui_context());
}
AudioRegionView::AudioRegionView (ArdourCanvas::Container *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
uint32_t basic_color, bool recording, TimeAxisViewItem::Visibility visibility)
: RegionView (parent, tv, r, spu, basic_color, recording, visibility)
, sync_mark(0)
, fade_in_handle(0)
, fade_out_handle(0)
, fade_in_trim_handle(0)
, fade_out_trim_handle(0)
, start_xfade_curve (0)
, start_xfade_rect (0)
, _start_xfade_visible (false)
, end_xfade_curve (0)
, end_xfade_rect (0)
, _end_xfade_visible (false)
, _amplitude_above_axis(1.0)
, trim_fade_in_drag_active(false)
, trim_fade_out_drag_active(false)
{
Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&AudioRegionView::parameter_changed, this, _1), gui_context());
}
AudioRegionView::AudioRegionView (const AudioRegionView& other, boost::shared_ptr<AudioRegion> other_region)
: RegionView (other, boost::shared_ptr<Region> (other_region))
, fade_in_handle(0)
, fade_out_handle(0)
, fade_in_trim_handle(0)
, fade_out_trim_handle(0)
, start_xfade_curve (0)
, start_xfade_rect (0)
, _start_xfade_visible (false)
, end_xfade_curve (0)
, end_xfade_rect (0)
, _end_xfade_visible (false)
, _amplitude_above_axis (other._amplitude_above_axis)
, trim_fade_in_drag_active(false)
, trim_fade_out_drag_active(false)
{
init (true);
Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&AudioRegionView::parameter_changed, this, _1), gui_context());
}
void
AudioRegionView::init (bool wfd)
{
// FIXME: Some redundancy here with RegionView::init. Need to figure out
// where order is important and where it isn't...
RegionView::init (wfd);
_amplitude_above_axis = 1.0;
create_waves ();
if (!_recregion) {
fade_in_handle = new ArdourCanvas::Rectangle (group);
CANVAS_DEBUG_NAME (fade_in_handle, string_compose ("fade in handle for %1", region()->name()));
fade_in_handle->set_outline_color (ArdourCanvas::rgba_to_color (0, 0, 0, 1.0));
fade_in_handle->set_fill_color (ARDOUR_UI::config()->color ("inactive fade handle"));
fade_in_handle->set_data ("regionview", this);
fade_in_handle->hide ();
fade_out_handle = new ArdourCanvas::Rectangle (group);
CANVAS_DEBUG_NAME (fade_out_handle, string_compose ("fade out handle for %1", region()->name()));
fade_out_handle->set_outline_color (ArdourCanvas::rgba_to_color (0, 0, 0, 1.0));
fade_out_handle->set_fill_color (ARDOUR_UI::config()->color ("inactive fade handle"));
fade_out_handle->set_data ("regionview", this);
fade_out_handle->hide ();
fade_in_trim_handle = new ArdourCanvas::Rectangle (group);
CANVAS_DEBUG_NAME (fade_in_handle, string_compose ("fade in trim handle for %1", region()->name()));
fade_in_trim_handle->set_outline_color (ArdourCanvas::rgba_to_color (0, 0, 0, 1.0));
fade_in_trim_handle->set_fill_color (ARDOUR_UI::config()->color ("inactive fade handle"));
fade_in_trim_handle->set_data ("regionview", this);
fade_in_trim_handle->hide ();
fade_out_trim_handle = new ArdourCanvas::Rectangle (group);
CANVAS_DEBUG_NAME (fade_out_handle, string_compose ("fade out trim handle for %1", region()->name()));
fade_out_trim_handle->set_outline_color (ArdourCanvas::rgba_to_color (0, 0, 0, 1.0));
fade_out_trim_handle->set_fill_color (ARDOUR_UI::config()->color ("inactive fade handle"));
fade_out_trim_handle->set_data ("regionview", this);
fade_out_trim_handle->hide ();
}
setup_fade_handle_positions ();
if (!trackview.session()->config.get_show_region_fades()) {
set_fade_visibility (false);
}
const string line_name = _region->name() + ":gain";
if (!Profile->get_sae()) {
gain_line.reset (new AudioRegionGainLine (line_name, *this, *group, audio_region()->envelope()));
}
update_envelope_visibility ();
gain_line->reset ();
set_height (trackview.current_height());
region_muted ();
region_sync_changed ();
region_resized (ARDOUR::bounds_change);
for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
(*i)->set_duration (_region->length() / samples_per_pixel);
}
region_locked ();
envelope_active_changed ();
fade_in_active_changed ();
fade_out_active_changed ();
reset_width_dependent_items (_pixel_width);
if (fade_in_handle) {
fade_in_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_handle, this, false));
}
if (fade_out_handle) {
fade_out_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_handle, this, false));
}
if (fade_in_trim_handle) {
fade_in_trim_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_trim_handle, this, true));
}
if (fade_out_trim_handle) {
fade_out_trim_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_trim_handle, this, true));
}
set_colors ();
setup_waveform_visibility ();
if (frame_handle_start) {
frame_handle_start->raise_to_top ();
}
if (frame_handle_end) {
frame_handle_end->raise_to_top ();
}
/* XXX sync mark drag? */
}
AudioRegionView::~AudioRegionView ()
{
in_destructor = true;
RegionViewGoingAway (this); /* EMIT_SIGNAL */
for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
delete *i;
}
for (list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator i = feature_lines.begin(); i != feature_lines.end(); ++i) {
delete ((*i).second);
}
/* all waveviews etc will be destroyed when the group is destroyed */
}
boost::shared_ptr<ARDOUR::AudioRegion>
AudioRegionView::audio_region() const
{
// "Guaranteed" to succeed...
return boost::dynamic_pointer_cast<AudioRegion>(_region);
}
void
AudioRegionView::region_changed (const PropertyChange& what_changed)
{
ENSURE_GUI_THREAD (*this, &AudioRegionView::region_changed, what_changed);
RegionView::region_changed (what_changed);
if (what_changed.contains (ARDOUR::Properties::scale_amplitude)) {
region_scale_amplitude_changed ();
}
if (what_changed.contains (ARDOUR::Properties::fade_in)) {
fade_in_changed ();
}
if (what_changed.contains (ARDOUR::Properties::fade_out)) {
fade_out_changed ();
}
if (what_changed.contains (ARDOUR::Properties::fade_in_active)) {
fade_in_active_changed ();
}
if (what_changed.contains (ARDOUR::Properties::fade_out_active)) {
fade_out_active_changed ();
}
if (what_changed.contains (ARDOUR::Properties::envelope_active)) {
envelope_active_changed ();
}
if (what_changed.contains (ARDOUR::Properties::valid_transients)) {
transients_changed ();
}
}
void
AudioRegionView::fade_in_changed ()
{
reset_fade_in_shape ();
}
void
AudioRegionView::fade_out_changed ()
{
reset_fade_out_shape ();
}
void
AudioRegionView::fade_in_active_changed ()
{
if (start_xfade_rect) {
if (audio_region()->fade_in_active()) {
start_xfade_rect->set_fill (false);
} else {
start_xfade_rect->set_fill_color (ARDOUR_UI::config()->color_mod ("inactive crossfade", "inactive crossfade"));
start_xfade_rect->set_fill (true);
}
}
}
void
AudioRegionView::fade_out_active_changed ()
{
if (end_xfade_rect) {
if (audio_region()->fade_out_active()) {
end_xfade_rect->set_fill (false);
} else {
end_xfade_rect->set_fill_color (ARDOUR_UI::config()->color_mod ("inactive crossfade", "inactive crossfade"));
end_xfade_rect->set_fill (true);
}
}
}
void
AudioRegionView::region_scale_amplitude_changed ()
{
for (uint32_t n = 0; n < waves.size(); ++n) {
waves[n]->gain_changed ();
}
}
void
AudioRegionView::region_renamed ()
{
std::string str = RegionView::make_name ();
if (audio_region()->speed_mismatch (trackview.session()->frame_rate())) {
str = string ("*") + str;
}
if (_region->muted()) {
str = string ("!") + str;
}
set_item_name (str, this);
set_name_text (str);
}
void
AudioRegionView::region_resized (const PropertyChange& what_changed)
{
AudioGhostRegion* agr;
RegionView::region_resized(what_changed);
PropertyChange interesting_stuff;
interesting_stuff.add (ARDOUR::Properties::start);
interesting_stuff.add (ARDOUR::Properties::length);
if (what_changed.contains (interesting_stuff)) {
for (uint32_t n = 0; n < waves.size(); ++n) {
waves[n]->region_resized ();
}
for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
if ((agr = dynamic_cast<AudioGhostRegion*>(*i)) != 0) {
for (vector<WaveView*>::iterator w = agr->waves.begin(); w != agr->waves.end(); ++w) {
(*w)->region_resized ();
}
}
}
/* hide transient lines that extend beyond the region end */
list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
if (l->first > _region->length() - 1) {
l->second->hide();
} else {
l->second->show();
}
}
}
}
void
AudioRegionView::reset_width_dependent_items (double pixel_width)
{
RegionView::reset_width_dependent_items(pixel_width);
assert(_pixel_width == pixel_width);
if (pixel_width <= 20.0 || _height < 5.0 || !trackview.session()->config.get_show_region_fades()) {
if (fade_in_handle) { fade_in_handle->hide(); }
if (fade_out_handle) { fade_out_handle->hide(); }
if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
}
AnalysisFeatureList analysis_features = _region->transients();
AnalysisFeatureList::const_iterator i;
list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
float x_pos = trackview.editor().sample_to_pixel (*i);
(*l).second->set (ArdourCanvas::Duple (x_pos, 2.0),
ArdourCanvas::Duple (x_pos, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
(*l).first = *i;
(*l).second->set (ArdourCanvas::Duple (x_pos, 2.0),
ArdourCanvas::Duple (x_pos, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
}
reset_fade_shapes ();
}
void
AudioRegionView::region_muted ()
{
RegionView::region_muted();
set_waveform_colors ();
}
void
AudioRegionView::setup_fade_handle_positions()
{
/* position of fade handle offset from the top of the region view */
double const handle_pos = 0.0;
if (fade_in_handle) {
fade_in_handle->set_y0 (handle_pos);
fade_in_handle->set_y1 (handle_pos + handle_size);
}
if (fade_out_handle) {
fade_out_handle->set_y0 (handle_pos);
fade_out_handle->set_y1 (handle_pos + handle_size);
}
if (fade_in_trim_handle) {
fade_in_trim_handle->set_y0 (_height - handle_size);
fade_in_trim_handle->set_y1 (_height);
}
if (fade_out_trim_handle) {
fade_out_trim_handle->set_y0 (_height - handle_size );
fade_out_trim_handle->set_y1 (_height);
}
}
void
AudioRegionView::set_height (gdouble height)
{
RegionView::set_height (height);
uint32_t wcnt = waves.size();
for (uint32_t n = 0; n < wcnt; ++n) {
gdouble ht;
if (height < NAME_HIGHLIGHT_THRESH) {
ht = ((height - 2 * wcnt) / (double) wcnt);
} else {
ht = (((height - 2 * wcnt) - NAME_HIGHLIGHT_SIZE) / (double) wcnt);
}
gdouble yoff = n * (ht + 1);
waves[n]->set_height (ht);
waves[n]->set_y_position (yoff + 2);
}
if (gain_line) {
if ((height/wcnt) < NAME_HIGHLIGHT_THRESH) {
gain_line->hide ();
} else {
update_envelope_visibility ();
}
gain_line->set_height ((uint32_t) rint (height - NAME_HIGHLIGHT_SIZE) - 2);
}
reset_fade_shapes ();
/* Update hights for any active feature lines */
list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
float pos_x = trackview.editor().sample_to_pixel((*l).first);
if (height >= NAME_HIGHLIGHT_THRESH) {
(*l).second->set (ArdourCanvas::Duple (pos_x, 2.0),
ArdourCanvas::Duple (pos_x, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
} else {
(*l).second->set (ArdourCanvas::Duple (pos_x, 2.0),
ArdourCanvas::Duple (pos_x, _height - 1));
}
}
if (name_text) {
name_text->raise_to_top();
}
setup_fade_handle_positions();
}
void
AudioRegionView::reset_fade_shapes ()
{
if (!trim_fade_in_drag_active) { reset_fade_in_shape (); }
if (!trim_fade_out_drag_active) { reset_fade_out_shape (); }
}
void
AudioRegionView::reset_fade_in_shape ()
{
reset_fade_in_shape_width (audio_region(), (framecnt_t) audio_region()->fade_in()->back()->when);
}
void
AudioRegionView::reset_fade_in_shape_width (boost::shared_ptr<AudioRegion> ar, framecnt_t width, bool drag_active)
{
trim_fade_in_drag_active = drag_active;
if (fade_in_handle == 0) {
return;
}
/* smallest size for a fade is 64 frames */
width = std::max ((framecnt_t) 64, width);
/* round here to prevent little visual glitches with sub-pixel placement */
double const pwidth = floor (width / samples_per_pixel);
double const handle_left = pwidth;
/* Put the fade in handle so that its left side is at the end-of-fade line */
fade_in_handle->set_x0 (handle_left);
fade_in_handle->set_x1 (handle_left + handle_size);
if (fade_in_trim_handle) {
fade_in_trim_handle->set_x0 (0);
fade_in_trim_handle->set_x1 (handle_size);
}
if (fade_in_handle->visible()) {
//see comment for drag_start
entered();
}
if (pwidth < 5) {
hide_start_xfade();
return;
}
if (!trackview.session()->config.get_show_region_fades()) {
hide_start_xfade ();
return;
}
double effective_height;
if (_height >= NAME_HIGHLIGHT_THRESH) {
effective_height = _height - NAME_HIGHLIGHT_SIZE;
} else {
effective_height = _height;
}
/* points *MUST* be in anti-clockwise order */
Points points;
Points::size_type pi;
boost::shared_ptr<const Evoral::ControlList> list (audio_region()->fade_in());
Evoral::ControlList::const_iterator x;
double length = list->length();
points.assign (list->size(), Duple());
for (x = list->begin(), pi = 0; x != list->end(); ++x, ++pi) {
points[pi].x = (pwidth * ((*x)->when/length));
points[pi].y = effective_height - ((*x)->value * (effective_height - 1.));
}
/* draw the line */
redraw_start_xfade_to (ar, width, points, effective_height, handle_left);
/* ensure trim handle stays on top */
if (frame_handle_start) {
frame_handle_start->raise_to_top();
}
}
void
AudioRegionView::reset_fade_out_shape ()
{
reset_fade_out_shape_width (audio_region(), (framecnt_t) audio_region()->fade_out()->back()->when);
}
void
AudioRegionView::reset_fade_out_shape_width (boost::shared_ptr<AudioRegion> ar, framecnt_t width, bool drag_active)
{
trim_fade_out_drag_active = drag_active;
if (fade_out_handle == 0) {
return;
}
/* smallest size for a fade is 64 frames */
width = std::max ((framecnt_t) 64, width);
double const pwidth = floor(trackview.editor().sample_to_pixel (width));
/* the right edge should be right on the region frame is the pixel
* width is zero. Hence the additional + 1.0 at the end.
*/
double const handle_right = rint(trackview.editor().sample_to_pixel (_region->length()) - pwidth);
double const trim_handle_right = rint(trackview.editor().sample_to_pixel (_region->length()));
/* Put the fade out handle so that its right side is at the end-of-fade line;
*/
fade_out_handle->set_x0 (handle_right - handle_size);
fade_out_handle->set_x1 (handle_right);
if (fade_out_trim_handle) {
fade_out_trim_handle->set_x0 (1 + trim_handle_right - handle_size);
fade_out_trim_handle->set_x1 (1 + trim_handle_right);
}
if (fade_out_handle->visible()) {
//see comment for drag_start
entered();
}
/* don't show shape if its too small */
if (pwidth < 5) {
hide_end_xfade();
return;
}
if (!trackview.session()->config.get_show_region_fades()) {
hide_end_xfade();
return;
}
double effective_height;
effective_height = _height;
if (ARDOUR_UI::config()->get_show_name_highlight() && effective_height >= NAME_HIGHLIGHT_THRESH) {
effective_height -= NAME_HIGHLIGHT_SIZE;
}
/* points *MUST* be in anti-clockwise order */
Points points;
Points::size_type pi;
boost::shared_ptr<const Evoral::ControlList> list (audio_region()->fade_out());
Evoral::ControlList::const_iterator x;
double length = list->length();
points.assign (list->size(), Duple());
for (x = list->begin(), pi = 0; x != list->end(); ++x, ++pi) {
points[pi].x = _pixel_width - pwidth + (pwidth * ((*x)->when/length));
points[pi].y = effective_height - ((*x)->value * (effective_height - 1.));
}
/* draw the line */
redraw_end_xfade_to (ar, width, points, effective_height, handle_right, pwidth);
/* ensure trim handle stays on top */
if (frame_handle_end) {
frame_handle_end->raise_to_top();
}
}
framepos_t
AudioRegionView::get_fade_in_shape_width ()
{
return audio_region()->fade_in()->back()->when;
}
framepos_t
AudioRegionView::get_fade_out_shape_width ()
{
return audio_region()->fade_out()->back()->when;
}
void
AudioRegionView::redraw_start_xfade ()
{
boost::shared_ptr<AudioRegion> ar (audio_region());
if (!ar->fade_in() || ar->fade_in()->empty()) {
return;
}
show_start_xfade();
reset_fade_in_shape_width (ar, ar->fade_in()->back()->when);
}
void
AudioRegionView::redraw_start_xfade_to (boost::shared_ptr<AudioRegion> ar, framecnt_t /*width*/, Points& points, double effective_height,
double rect_width)
{
if (points.size() < 2) {
return;
}
if (!start_xfade_curve) {
start_xfade_curve = new ArdourCanvas::XFadeCurve (group, ArdourCanvas::XFadeCurve::Start);
CANVAS_DEBUG_NAME (start_xfade_curve, string_compose ("xfade start out line for %1", region()->name()));
start_xfade_curve->set_fill_color (ARDOUR_UI::config()->color_mod ("active crossfade", "crossfade alpha"));
start_xfade_curve->set_outline_color (ARDOUR_UI::config()->color ("crossfade line"));
start_xfade_curve->set_ignore_events (true);
}
if (!start_xfade_rect) {
start_xfade_rect = new ArdourCanvas::Rectangle (group);
CANVAS_DEBUG_NAME (start_xfade_rect, string_compose ("xfade start rect for %1", region()->name()));
start_xfade_rect->set_outline_color (ARDOUR_UI::config()->color ("crossfade line"));
start_xfade_rect->set_fill (false);
start_xfade_rect->set_outline (false);
start_xfade_rect->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_start_xfade_event), start_xfade_rect, this));
start_xfade_rect->set_data ("regionview", this);
}
start_xfade_rect->set (ArdourCanvas::Rect (0.0, 0.0, rect_width, effective_height));
/* fade out line */
boost::shared_ptr<AutomationList> inverse = ar->inverse_fade_in ();
Points ipoints;
Points::size_type npoints;
if (!inverse) {
/* there is no explicit inverse fade in curve, so take the
* regular fade in curve given to use as "points" (already a
* set of coordinates), and convert to the inverse shape.
*/
npoints = points.size();
ipoints.assign (npoints, Duple());
for (Points::size_type i = 0, pci = 0; i < npoints; ++i, ++pci) {
ArdourCanvas::Duple &p (ipoints[pci]);
/* leave x-axis alone but invert with respect to y-axis */
p.y = effective_height - points[pci].y;
}
} else {
/* there is an explicit inverse fade in curve. Grab the points
and convert them into coordinates for the inverse fade in
line.
*/
npoints = inverse->size();
ipoints.assign (npoints, Duple());
Evoral::ControlList::const_iterator x;
Points::size_type pi;
double length = inverse->length();
for (x = inverse->begin(), pi = 0; x != inverse->end(); ++x, ++pi) {
ArdourCanvas::Duple& p (ipoints[pi]);
p.x = (rect_width * ((*x)->when/length));
p.y = effective_height - ((*x)->value * (effective_height));
}
}
start_xfade_curve->set_inout (points, ipoints);
show_start_xfade();
}
void
AudioRegionView::redraw_end_xfade ()
{
boost::shared_ptr<AudioRegion> ar (audio_region());
if (!ar->fade_out() || ar->fade_out()->empty()) {
return;
}
show_end_xfade();
reset_fade_out_shape_width (ar, ar->fade_out()->back()->when);
}
void
AudioRegionView::redraw_end_xfade_to (boost::shared_ptr<AudioRegion> ar, framecnt_t width, Points& points, double effective_height,
double rect_edge, double rect_width)
{
if (points.size() < 2) {
return;
}
if (!end_xfade_curve) {
end_xfade_curve = new ArdourCanvas::XFadeCurve (group, ArdourCanvas::XFadeCurve::End);
CANVAS_DEBUG_NAME (end_xfade_curve, string_compose ("xfade end out line for %1", region()->name()));
end_xfade_curve->set_fill_color (ARDOUR_UI::config()->color_mod ("active crossfade", "crossfade alpha"));
end_xfade_curve->set_outline_color (ARDOUR_UI::config()->color ("crossfade line"));
end_xfade_curve->set_ignore_events (true);
}
if (!end_xfade_rect) {
end_xfade_rect = new ArdourCanvas::Rectangle (group);
CANVAS_DEBUG_NAME (end_xfade_rect, string_compose ("xfade end rect for %1", region()->name()));
end_xfade_rect->set_outline_color (ARDOUR_UI::config()->color ("crossfade line"));
end_xfade_rect->set_fill (false);
end_xfade_rect->set_outline (false);
end_xfade_rect->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_end_xfade_event), end_xfade_rect, this));
end_xfade_rect->set_data ("regionview", this);
}
end_xfade_rect->set (ArdourCanvas::Rect (rect_edge, 0.0, rect_edge + rect_width, effective_height));
/* fade in line */
boost::shared_ptr<AutomationList> inverse = ar->inverse_fade_out ();
Points ipoints;
Points::size_type npoints;
if (!inverse) {
/* there is no explicit inverse fade out curve, so take the
* regular fade out curve given to use as "points" (already a
* set of coordinates), and convert to the inverse shape.
*/
npoints = points.size();
ipoints.assign (npoints, Duple());
Points::size_type pci;
for (pci = 0; pci < npoints; ++pci) {
ArdourCanvas::Duple &p (ipoints[pci]);
p.y = effective_height - points[pci].y;
}
} else {
/* there is an explicit inverse fade out curve. Grab the points
and convert them into coordinates for the inverse fade out
line.
*/
npoints = inverse->size();
ipoints.assign (npoints, Duple());
const double rend = trackview.editor().sample_to_pixel (_region->length() - width);
Evoral::ControlList::const_iterator x;
Points::size_type pi;
double length = inverse->length();
for (x = inverse->begin(), pi = 0; x != inverse->end(); ++x, ++pi) {
ArdourCanvas::Duple& p (ipoints[pi]);
p.x = (rect_width * ((*x)->when/length)) + rend;
p.y = effective_height - ((*x)->value * (effective_height));
}
}
end_xfade_curve->set_inout (ipoints, points);
show_end_xfade();
}
void
AudioRegionView::hide_xfades ()
{
hide_start_xfade ();
hide_end_xfade ();
}
void
AudioRegionView::hide_start_xfade ()
{
if (start_xfade_curve) {
start_xfade_curve->hide();
}
if (start_xfade_rect) {
start_xfade_rect->hide ();
}
_start_xfade_visible = false;
}
void
AudioRegionView::hide_end_xfade ()
{
if (end_xfade_curve) {
end_xfade_curve->hide();
}
if (end_xfade_rect) {
end_xfade_rect->hide ();
}
_end_xfade_visible = false;
}
void
AudioRegionView::show_start_xfade ()
{
if (start_xfade_curve) {
start_xfade_curve->show();
}
if (start_xfade_rect) {
start_xfade_rect->show ();
}
_start_xfade_visible = true;
}
void
AudioRegionView::show_end_xfade ()
{
if (end_xfade_curve) {
end_xfade_curve->show();
}
if (end_xfade_rect) {
end_xfade_rect->show ();
}
_end_xfade_visible = true;
}
void
AudioRegionView::set_samples_per_pixel (gdouble fpp)
{
RegionView::set_samples_per_pixel (fpp);
if (ARDOUR_UI::config()->get_show_waveforms ()) {
for (uint32_t n = 0; n < waves.size(); ++n) {
waves[n]->set_samples_per_pixel (fpp);
}
}
if (gain_line) {
gain_line->reset ();
}
reset_fade_shapes ();
}
void
AudioRegionView::set_amplitude_above_axis (gdouble a)
{
for (uint32_t n=0; n < waves.size(); ++n) {
waves[n]->set_amplitude_above_axis (a);
}
}
void
AudioRegionView::set_colors ()
{
RegionView::set_colors();
if (gain_line) {
gain_line->set_line_color (audio_region()->envelope_active() ?
ARDOUR_UI::config()->color ("gain line") :
ARDOUR_UI::config()->color_mod ("gain line inactive", "gain line inactive"));
}
set_waveform_colors ();
if (start_xfade_curve) {
start_xfade_curve->set_fill_color (ARDOUR_UI::config()->color_mod ("active crossfade", "crossfade alpha"));
start_xfade_curve->set_outline_color (ARDOUR_UI::config()->color ("crossfade line"));
}
if (end_xfade_curve) {
end_xfade_curve->set_fill_color (ARDOUR_UI::config()->color_mod ("active crossfade", "crossfade alpha"));
end_xfade_curve->set_outline_color (ARDOUR_UI::config()->color ("crossfade line"));
}
if (start_xfade_rect) {
start_xfade_rect->set_outline_color (ARDOUR_UI::config()->color ("crossfade line"));
}
if (end_xfade_rect) {
end_xfade_rect->set_outline_color (ARDOUR_UI::config()->color ("crossfade line"));
}
}
void
AudioRegionView::setup_waveform_visibility ()
{
if (ARDOUR_UI::config()->get_show_waveforms ()) {
for (uint32_t n = 0; n < waves.size(); ++n) {
/* make sure the zoom level is correct, since we don't update
this when waveforms are hidden.
*/
// CAIROCANVAS
// waves[n]->set_samples_per_pixel (_samples_per_pixel);
waves[n]->show();
}
} else {
for (uint32_t n = 0; n < waves.size(); ++n) {
waves[n]->hide();
}
}
}
void
AudioRegionView::temporarily_hide_envelope ()
{
if (gain_line) {
gain_line->hide ();
}
}
void
AudioRegionView::unhide_envelope ()
{
update_envelope_visibility ();
}
void
AudioRegionView::update_envelope_visibility ()
{
if (!gain_line) {
return;
}
if (trackview.editor().current_mouse_mode() == Editing::MouseDraw || trackview.editor().current_mouse_mode() == Editing::MouseContent ) {
gain_line->set_visibility (AutomationLine::VisibleAspects(AutomationLine::ControlPoints|AutomationLine::Line));
gain_line->canvas_group().raise_to_top ();
} else if (ARDOUR_UI::config()->get_show_region_gain() || trackview.editor().current_mouse_mode() == Editing::MouseRange ) {
gain_line->set_visibility (AutomationLine::VisibleAspects(AutomationLine::Line));
gain_line->canvas_group().raise_to_top ();
} else {
gain_line->set_visibility (AutomationLine::VisibleAspects(0));
}
}
void
AudioRegionView::create_waves ()
{
// cerr << "AudioRegionView::create_waves() called on " << this << endl;//DEBUG
RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
if (!atv.track()) {
return;
}
ChanCount nchans = atv.track()->n_channels();
// cerr << "creating waves for " << _region->name() << " with wfd = " << wait_for_data
// << " and channels = " << nchans.n_audio() << endl;
/* in tmp_waves, set up null pointers for each channel so the vector is allocated */
for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
tmp_waves.push_back (0);
}
for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
delete *i;
}
_data_ready_connections.clear ();
for (uint32_t i = 0; i < nchans.n_audio(); ++i) {
_data_ready_connections.push_back (0);
}
for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
if (n >= audio_region()->n_channels()) {
break;
}
// cerr << "\tchannel " << n << endl;
if (wait_for_data) {
if (audio_region()->audio_source(n)->peaks_ready (boost::bind (&AudioRegionView::peaks_ready_handler, this, n), &_data_ready_connections[n], gui_context())) {
// cerr << "\tData is ready\n";
create_one_wave (n, true);
} else {
// cerr << "\tdata is not ready\n";
// we'll get a PeaksReady signal from the source in the future
// and will call create_one_wave(n) then.
}
} else {
// cerr << "\tdon't delay, display today!\n";
create_one_wave (n, true);
}
}
}
void
AudioRegionView::create_one_wave (uint32_t which, bool /*direct*/)
{
//cerr << "AudioRegionView::create_one_wave() called which: " << which << " this: " << this << endl;//DEBUG
RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
uint32_t nchans = atv.track()->n_channels().n_audio();
uint32_t n;
uint32_t nwaves = std::min (nchans, audio_region()->n_channels());
gdouble ht;
if (trackview.current_height() < NAME_HIGHLIGHT_THRESH) {
ht = ((trackview.current_height()) / (double) nchans);
} else {
ht = ((trackview.current_height() - NAME_HIGHLIGHT_SIZE) / (double) nchans);
}
gdouble yoff = which * ht;
WaveView *wave = new WaveView (group, audio_region ());
CANVAS_DEBUG_NAME (wave, string_compose ("wave view for chn %1 of %2", which, get_item_name()));
wave->set_channel (which);
wave->set_y_position (yoff);
wave->set_height (ht);
wave->set_samples_per_pixel (samples_per_pixel);
wave->set_show_zero_line (true);
wave->set_clip_level (ARDOUR_UI::config()->get_waveform_clip_level ());
wave->set_start_shift (1.0);
wave->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_wave_view_event), wave, this));
switch (ARDOUR_UI::config()->get_waveform_shape()) {
case Rectified:
wave->set_shape (WaveView::Rectified);
break;
default:
wave->set_shape (WaveView::Normal);
}
wave->set_logscaled (ARDOUR_UI::config()->get_waveform_scale() == Logarithmic);
vector<ArdourCanvas::WaveView*> v;
v.push_back (wave);
set_some_waveform_colors (v);
if (!ARDOUR_UI::config()->get_show_waveforms ()) {
wave->hide();
}
/* note: calling this function is serialized by the lock
held in the peak building thread that signals that
peaks are ready for use *or* by the fact that it is
called one by one from the GUI thread.
*/
if (which < nchans) {
tmp_waves[which] = wave;
} else {
/* n-channel track, >n-channel source */
}
/* see if we're all ready */
for (n = 0; n < nchans; ++n) {
if (tmp_waves[n] == 0) {
break;
}
}
if (n == nwaves && waves.empty()) {
/* all waves are ready */
tmp_waves.resize(nwaves);
waves = tmp_waves;
tmp_waves.clear ();
/* all waves created, don't hook into peaks ready anymore */
delete _data_ready_connections[which];
_data_ready_connections[which] = 0;
}
}
void
AudioRegionView::peaks_ready_handler (uint32_t which)
{
Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&AudioRegionView::create_one_wave, this, which, false));
// cerr << "AudioRegionView::peaks_ready_handler() called on " << which << " this: " << this << endl;
}
void
AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev, bool with_guard_points)
{
if (!gain_line) {
return;
}
double x, y;
/* don't create points that can't be seen */
update_envelope_visibility ();
x = ev->button.x;
y = ev->button.y;
item->canvas_to_item (x, y);
framepos_t fx = trackview.editor().pixel_to_sample (x);
if (fx > _region->length()) {
return;
}
/* compute vertical fractional position */
y = 1.0 - (y / (_height - NAME_HIGHLIGHT_SIZE));
/* map using gain line */
gain_line->view_to_model_coord (x, y);
/* XXX STATEFUL: can't convert to stateful diff until we
can represent automation data with it.
*/
trackview.editor().begin_reversible_command (_("add gain control point"));
XMLNode &before = audio_region()->envelope()->get_state();
if (!audio_region()->envelope_active()) {
XMLNode &region_before = audio_region()->get_state();
audio_region()->set_envelope_active(true);
XMLNode &region_after = audio_region()->get_state();
trackview.session()->add_command (new MementoCommand<AudioRegion>(*(audio_region().get()), &region_before, &region_after));
}
audio_region()->envelope()->add (fx, y, with_guard_points);
XMLNode &after = audio_region()->envelope()->get_state();
trackview.session()->add_command (new MementoCommand<AutomationList>(*audio_region()->envelope().get(), &before, &after));
trackview.editor().commit_reversible_command ();
}
void
AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent* /*ev*/)
{
ControlPoint *cp = reinterpret_cast<ControlPoint *> (item->get_data ("control_point"));
audio_region()->envelope()->erase (cp->model());
}
GhostRegion*
AudioRegionView::add_ghost (TimeAxisView& tv)
{
RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
assert(rtv);
double unit_position = _region->position () / samples_per_pixel;
AudioGhostRegion* ghost = new AudioGhostRegion (tv, trackview, unit_position);
uint32_t nchans;
nchans = rtv->track()->n_channels().n_audio();
for (uint32_t n = 0; n < nchans; ++n) {
if (n >= audio_region()->n_channels()) {
break;
}
WaveView *wave = new WaveView (ghost->group, audio_region());
CANVAS_DEBUG_NAME (wave, string_compose ("ghost wave for %1", get_item_name()));
wave->set_channel (n);
wave->set_samples_per_pixel (samples_per_pixel);
wave->set_amplitude_above_axis (_amplitude_above_axis);
ghost->waves.push_back(wave);
}
ghost->set_height ();
ghost->set_duration (_region->length() / samples_per_pixel);
ghost->set_colors();
ghosts.push_back (ghost);
return ghost;
}
void
AudioRegionView::entered ()
{
trackview.editor().set_current_trimmable (_region);
trackview.editor().set_current_movable (_region);
update_envelope_visibility();
if ((trackview.editor().current_mouse_mode() == Editing::MouseObject)) {
if (start_xfade_rect) {
start_xfade_rect->set_outline (true);
}
if (end_xfade_rect) {
end_xfade_rect->set_outline (true);
}
if (fade_in_handle) {
fade_in_handle->show ();
fade_in_handle->raise_to_top ();
}
if (fade_out_handle) {
fade_out_handle->show ();
fade_out_handle->raise_to_top ();
}
if (fade_in_trim_handle) {
boost::shared_ptr<AudioRegion> ar (audio_region());
if (!ar->locked() && (ar->fade_in()->back()->when > 64 || (ar->can_trim() & Trimmable::FrontTrimEarlier))) {
fade_in_trim_handle->show ();
fade_in_trim_handle->raise_to_top ();
} else {
fade_in_trim_handle->hide ();
}
}
if (fade_out_trim_handle) {
boost::shared_ptr<AudioRegion> ar (audio_region());
if (!ar->locked() && (ar->fade_out()->back()->when > 64 || (ar->can_trim() & Trimmable::EndTrimLater))) {
fade_out_trim_handle->show ();
fade_out_trim_handle->raise_to_top ();
} else {
fade_out_trim_handle->hide ();
}
}
} else { //this happens when we switch tools; if we switch away from Grab mode, hide all the fade handles
if (fade_in_handle) { fade_in_handle->hide(); }
if (fade_out_handle) { fade_out_handle->hide(); }
if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
}
}
void
AudioRegionView::exited ()
{
trackview.editor().set_current_trimmable (boost::shared_ptr<Trimmable>());
trackview.editor().set_current_movable (boost::shared_ptr<Movable>());
// if (gain_line) {
// gain_line->remove_visibility (AutomationLine::ControlPoints);
// }
if (fade_in_handle) { fade_in_handle->hide(); }
if (fade_out_handle) { fade_out_handle->hide(); }
if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
}
void
AudioRegionView::envelope_active_changed ()
{
if (gain_line) {
gain_line->set_line_color (audio_region()->envelope_active() ?
ARDOUR_UI::config()->color ("gain line") :
ARDOUR_UI::config()->color_mod ("gain line inactive", "gain line inactive"));
update_envelope_visibility ();
}
}
void
AudioRegionView::color_handler ()
{
//case cMutedWaveForm:
//case cWaveForm:
//case cWaveFormClip:
//case cZeroLine:
set_colors ();
//case cGainLineInactive:
//case cGainLine:
envelope_active_changed();
}
void
AudioRegionView::set_waveform_colors ()
{
set_some_waveform_colors (waves);
}
void
AudioRegionView::set_some_waveform_colors (vector<ArdourCanvas::WaveView*>& waves_to_color)
{
ArdourCanvas::Color fill;
ArdourCanvas::Color outline;
ArdourCanvas::Color clip = ARDOUR_UI::config()->color ("clipped waveform");
ArdourCanvas::Color zero = ARDOUR_UI::config()->color ("zero line");
if (_selected) {
if (_region->muted()) {
/* hide outline with zero alpha */
outline = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->color ("selected waveform outline"), 0);
fill = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->color ("selected waveform fill"), MUTED_ALPHA);
} else {
outline = ARDOUR_UI::config()->color ("selected waveform outline");
fill = ARDOUR_UI::config()->color ("selected waveform fill");
}
} else {
if (_recregion) {
outline = ARDOUR_UI::config()->color ("recording waveform outline");
fill = ARDOUR_UI::config()->color ("recording waveform fill");
} else {
if (_region->muted()) {
/* hide outline with zero alpha */
outline = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->color ("waveform outline"), 0);
fill = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->color ("waveform fill"), MUTED_ALPHA);
} else {
outline = ARDOUR_UI::config()->color ("waveform outline");
fill = ARDOUR_UI::config()->color ("waveform fill");
}
}
}
for (vector<ArdourCanvas::WaveView*>::iterator w = waves_to_color.begin(); w != waves_to_color.end(); ++w) {
(*w)->set_fill_color (fill);
(*w)->set_outline_color (outline);
(*w)->set_clip_color (clip);
(*w)->set_zero_color (zero);
}
}
void
AudioRegionView::set_frame_color ()
{
if (!frame) {
return;
}
RegionView::set_frame_color ();
set_waveform_colors ();
}
void
AudioRegionView::set_fade_visibility (bool yn)
{
if (yn) {
if (start_xfade_curve) { start_xfade_curve->show (); }
if (end_xfade_curve) { end_xfade_curve->show (); }
if (start_xfade_rect) { start_xfade_rect->show (); }
if (end_xfade_rect) { end_xfade_rect->show (); }
} else {
if (start_xfade_curve) { start_xfade_curve->hide(); }
if (end_xfade_curve) { end_xfade_curve->hide(); }
if (fade_in_handle) { fade_in_handle->hide(); }
if (fade_out_handle) { fade_out_handle->hide(); }
if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
if (start_xfade_rect) { start_xfade_rect->hide (); }
if (end_xfade_rect) { end_xfade_rect->hide (); }
if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
}
}
void
AudioRegionView::update_coverage_frames (LayerDisplay d)
{
RegionView::update_coverage_frames (d);
if (fade_in_handle) { fade_in_handle->raise_to_top (); }
if (fade_out_handle) { fade_out_handle->raise_to_top (); }
if (fade_in_trim_handle) { fade_in_trim_handle->raise_to_top (); }
if (fade_out_trim_handle) { fade_out_trim_handle->raise_to_top (); }
}
void
AudioRegionView::show_region_editor ()
{
if (editor == 0) {
editor = new AudioRegionEditor (trackview.session(), audio_region());
}
editor->present ();
editor->show_all();
}
void
AudioRegionView::transients_changed ()
{
AnalysisFeatureList analysis_features = _region->transients();
while (feature_lines.size() < analysis_features.size()) {
ArdourCanvas::Line* canvas_item = new ArdourCanvas::Line(group);
CANVAS_DEBUG_NAME (canvas_item, string_compose ("transient group for %1", region()->name()));
canvas_item->set (ArdourCanvas::Duple (-1.0, 2.0),
ArdourCanvas::Duple (1.0, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
canvas_item->raise_to_top ();
canvas_item->show ();
canvas_item->set_data ("regionview", this);
canvas_item->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_feature_line_event), canvas_item, this));
feature_lines.push_back (make_pair(0, canvas_item));
}
while (feature_lines.size() > analysis_features.size()) {
ArdourCanvas::Line* line = feature_lines.back().second;
feature_lines.pop_back ();
delete line;
}
AnalysisFeatureList::const_iterator i;
list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
float *pos = new float;
*pos = trackview.editor().sample_to_pixel (*i);
(*l).second->set (
ArdourCanvas::Duple (*pos, 2.0),
ArdourCanvas::Duple (*pos, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1)
);
(*l).second->set_data ("position", pos);
(*l).first = *i;
}
}
void
AudioRegionView::update_transient(float /*old_pos*/, float new_pos)
{
/* Find frame at old pos, calulate new frame then update region transients*/
list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
/* Line has been updated in drag so we compare to new_pos */
float* pos = (float*) (*l).second->get_data ("position");
if (rint(new_pos) == rint(*pos)) {
framepos_t old_frame = (*l).first;
framepos_t new_frame = trackview.editor().pixel_to_sample (new_pos);
_region->update_transient (old_frame, new_frame);
break;
}
}
}
void
AudioRegionView::remove_transient(float pos)
{
/* Find frame at old pos, calulate new frame then update region transients*/
list<std::pair<framepos_t, ArdourCanvas::Line*> >::iterator l;
for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
/* Line has been updated in drag so we compare to new_pos */
float *line_pos = (float*) (*l).second->get_data ("position");
if (rint(pos) == rint(*line_pos)) {
_region->remove_transient ((*l).first);
break;
}
}
}
void
AudioRegionView::thaw_after_trim ()
{
RegionView::thaw_after_trim ();
unhide_envelope ();
drag_end ();
}
void
AudioRegionView::show_xfades ()
{
show_start_xfade ();
show_end_xfade ();
}
void
AudioRegionView::drag_start ()
{
TimeAxisViewItem::drag_start ();
//we used to hide xfades here. I don't see the point with the new model, but we can re-implement if needed
}
void
AudioRegionView::drag_end ()
{
TimeAxisViewItem::drag_end ();
//see comment for drag_start
if (fade_in_handle && fade_in_handle->visible()) {
// lenght of region or fade changed, re-check
// if fade_in_trim_handle or fade_out_trim_handle should
// be visible. -- If the fade_in_handle is visible
// we have focus and are not in internal edit mode.
entered();
}
}
void
AudioRegionView::parameter_changed (string const & p)
{
if (p == "show-waveforms") {
setup_waveform_visibility ();
}
}
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