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livetrax/gtk2_ardour/region_view.cc
Carl Hetherington cc677d5c87 Flip stacked regions order so that the highest layer is at the top of the pile. Colour areas of stacked regions according to what will be played.
git-svn-id: svn://localhost/ardour2/branches/3.0@4363 d708f5d6-7413-0410-9779-e7cbd77b26cf
2008-12-31 18:44:32 +00:00

674 lines
15 KiB
C++

/*
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
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 <gtkmm.h>
#include <gtkmm2ext/gtk_ui.h>
#include <pbd/stacktrace.h>
#include <ardour/playlist.h>
#include <ardour/audioregion.h>
#include <ardour/audiosource.h>
#include <ardour/audio_diskstream.h>
#include "ardour_ui.h"
#include "streamview.h"
#include "region_view.h"
#include "automation_region_view.h"
#include "route_time_axis.h"
#include "simplerect.h"
#include "simpleline.h"
#include "waveview.h"
#include "public_editor.h"
#include "region_editor.h"
#include "ghostregion.h"
#include "route_time_axis.h"
#include "utils.h"
#include "rgb_macros.h"
#include "gui_thread.h"
#include "i18n.h"
using namespace sigc;
using namespace ARDOUR;
using namespace PBD;
using namespace Editing;
using namespace ArdourCanvas;
static const int32_t sync_mark_width = 9;
sigc::signal<void,RegionView*> RegionView::RegionViewGoingAway;
RegionView::RegionView (ArdourCanvas::Group* parent,
TimeAxisView& tv,
boost::shared_ptr<ARDOUR::Region> r,
double spu,
Gdk::Color& basic_color)
: TimeAxisViewItem (r->name(), *parent, tv, spu, basic_color, r->position(), r->length(), false,
TimeAxisViewItem::Visibility (TimeAxisViewItem::ShowNameText|
TimeAxisViewItem::ShowNameHighlight|
TimeAxisViewItem::ShowFrame))
, _region (r)
, sync_mark(0)
, sync_line(0)
, editor(0)
, current_visible_sync_position(0.0)
, valid(false)
, _enable_display(false)
, _pixel_width(1.0)
, in_destructor(false)
, wait_for_data(false)
{
}
RegionView::RegionView (const RegionView& other)
: TimeAxisViewItem (other)
{
/* derived concrete type will call init () */
_region = other._region;
current_visible_sync_position = other.current_visible_sync_position;
valid = false;
_pixel_width = other._pixel_width;
_height = other._height;
}
RegionView::RegionView (const RegionView& other, boost::shared_ptr<Region> other_region)
: TimeAxisViewItem (other)
{
/* this is a pseudo-copy constructor used when dragging regions
around on the canvas.
*/
/* derived concrete type will call init () */
_region = other_region;
current_visible_sync_position = other.current_visible_sync_position;
valid = false;
_pixel_width = other._pixel_width;
_height = other._height;
}
RegionView::RegionView (ArdourCanvas::Group* parent,
TimeAxisView& tv,
boost::shared_ptr<ARDOUR::Region> r,
double spu,
Gdk::Color& basic_color,
bool recording,
TimeAxisViewItem::Visibility visibility)
: TimeAxisViewItem (r->name(), *parent, tv, spu, basic_color, r->position(), r->length(), recording, visibility)
, _region (r)
, sync_mark(0)
, sync_line(0)
, editor(0)
, current_visible_sync_position(0.0)
, valid(false)
, _enable_display(false)
, _pixel_width(1.0)
, in_destructor(false)
, wait_for_data(false)
{
}
void
RegionView::init (Gdk::Color& basic_color, bool wfd)
{
editor = 0;
valid = true;
in_destructor = false;
_height = 0;
wait_for_data = wfd;
sync_mark = 0;
sync_line = 0;
sync_mark = 0;
sync_line = 0;
compute_colors (basic_color);
if (name_highlight) {
name_highlight->set_data ("regionview", this);
name_highlight->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_region_view_name_highlight_event), name_highlight, this));
}
if (name_text) {
name_text->set_data ("regionview", this);
}
if (wfd)
_enable_display = true;
set_height (trackview.current_height());
_region->StateChanged.connect (mem_fun(*this, &RegionView::region_changed));
group->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_region_view_event), group, this));
set_colors ();
ColorsChanged.connect (mem_fun (*this, &RegionView::color_handler));
/* XXX sync mark drag? */
}
RegionView::~RegionView ()
{
in_destructor = true;
for (vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
delete *g;
}
for (std::list<ArdourCanvas::SimpleRect*>::iterator i = _coverage_frames.begin (); i != _coverage_frames.end (); ++i) {
delete *i;
}
delete editor;
}
gint
RegionView::_lock_toggle (ArdourCanvas::Item* item, GdkEvent* ev, void* arg)
{
switch (ev->type) {
case GDK_BUTTON_RELEASE:
static_cast<RegionView*>(arg)->lock_toggle ();
return TRUE;
break;
default:
break;
}
return FALSE;
}
void
RegionView::lock_toggle ()
{
_region->set_locked (!_region->locked());
}
void
RegionView::region_changed (Change what_changed)
{
ENSURE_GUI_THREAD (bind (mem_fun(*this, &RegionView::region_changed), what_changed));
if (what_changed & BoundsChanged) {
region_resized (what_changed);
region_sync_changed ();
}
if (what_changed & Region::MuteChanged) {
region_muted ();
}
if (what_changed & Region::OpacityChanged) {
region_opacity ();
}
if (what_changed & ARDOUR::NameChanged) {
region_renamed ();
}
if (what_changed & Region::SyncOffsetChanged) {
region_sync_changed ();
}
/*
this should not be needed now that only playlist can change layering
*/
/*
if (what_changed & Region::LayerChanged) {
// this is handled by the playlist i believe
//region_layered ();
}
*/
if (what_changed & Region::LockChanged) {
region_locked ();
}
}
void
RegionView::region_locked ()
{
/* name will show locked status */
region_renamed ();
}
void
RegionView::region_resized (Change what_changed)
{
double unit_length;
if (what_changed & ARDOUR::PositionChanged) {
set_position (_region->position(), 0);
}
if (what_changed & Change (StartChanged|LengthChanged)) {
set_duration (_region->length(), 0);
unit_length = _region->length() / samples_per_unit;
for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
(*i)->set_duration (unit_length);
}
}
}
void
RegionView::reset_width_dependent_items (double pixel_width)
{
TimeAxisViewItem::reset_width_dependent_items (pixel_width);
_pixel_width = pixel_width;
/*for (AutomationChildren::iterator i = _automation_children.begin();
i != _automation_children.end(); ++i) {
i->second->reset_width_dependent_items(pixel_width);
}*/
}
void
RegionView::region_layered ()
{
RouteTimeAxisView *rtv = dynamic_cast<RouteTimeAxisView*>(&get_time_axis_view());
assert(rtv);
//rtv->view()->region_layered (this);
}
void
RegionView::region_muted ()
{
set_frame_color ();
region_renamed ();
}
void
RegionView::region_opacity ()
{
set_frame_color ();
}
void
RegionView::raise_to_top ()
{
_region->raise_to_top ();
}
void
RegionView::lower_to_bottom ()
{
_region->lower_to_bottom ();
}
bool
RegionView::set_position (nframes_t pos, void* src, double* ignored)
{
double delta;
bool ret;
if (!(ret = TimeAxisViewItem::set_position (pos, this, &delta))) {
return false;
}
if (ignored) {
*ignored = delta;
}
if (delta) {
for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
(*i)->group->move (delta, 0.0);
}
for (AutomationChildren::iterator i = _automation_children.begin();
i != _automation_children.end(); ++i) {
i->second->get_canvas_group()->move(delta, 0.0);
}
}
return ret;
}
void
RegionView::set_samples_per_unit (gdouble spu)
{
TimeAxisViewItem::set_samples_per_unit (spu);
for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
(*i)->set_samples_per_unit (spu);
(*i)->set_duration (_region->length() / samples_per_unit);
}
region_sync_changed ();
}
bool
RegionView::set_duration (nframes_t frames, void *src)
{
if (!TimeAxisViewItem::set_duration (frames, src)) {
return false;
}
for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
(*i)->set_duration (_region->length() / samples_per_unit);
}
return true;
}
void
RegionView::compute_colors (Gdk::Color& basic_color)
{
TimeAxisViewItem::compute_colors (basic_color);
}
void
RegionView::set_colors ()
{
TimeAxisViewItem::set_colors ();
if (sync_mark) {
sync_mark->property_fill_color_rgba() = fill_color;
sync_line->property_fill_color_rgba() = fill_color;
}
}
void
RegionView::set_frame_color ()
{
if (_region->opaque()) {
fill_opacity = 130;
} else {
fill_opacity = 60;
}
TimeAxisViewItem::set_frame_color ();
}
void
RegionView::fake_set_opaque (bool yn)
{
if (yn) {
fill_opacity = 130;
} else {
fill_opacity = 60;
}
set_frame_color ();
}
void
RegionView::hide_region_editor()
{
if (editor) {
editor->hide_all ();
}
}
Glib::ustring
RegionView::make_name () const
{
Glib::ustring str;
// XXX nice to have some good icons for this
if (_region->locked()) {
str += '>';
str += _region->name();
str += '<';
} else if (_region->position_locked()) {
str += '{';
str += _region->name();
str += '}';
} else {
str = _region->name();
}
if (_region->muted()) {
str = string ("!") + str;
}
return str;
}
void
RegionView::region_renamed ()
{
Glib::ustring str = make_name ();
set_item_name (str, this);
set_name_text (str);
reset_width_dependent_items (_pixel_width);
}
void
RegionView::region_sync_changed ()
{
int sync_dir;
nframes_t sync_offset;
sync_offset = _region->sync_offset (sync_dir);
if (sync_offset == 0) {
/* no need for a sync mark */
if (sync_mark) {
sync_mark->hide();
sync_line->hide ();
}
return;
}
if (!sync_mark) {
/* points set below */
sync_mark = new ArdourCanvas::Polygon (*group);
sync_mark->property_fill_color_rgba() = fill_color;
sync_line = new ArdourCanvas::Line (*group);
sync_line->property_fill_color_rgba() = fill_color;
sync_line->property_width_pixels() = 1;
}
/* this has to handle both a genuine change of position, a change of samples_per_unit,
and a change in the bounds of the _region->
*/
if (sync_offset == 0) {
/* no sync mark - its the start of the region */
sync_mark->hide();
sync_line->hide ();
} else {
if ((sync_dir < 0) || ((sync_dir > 0) && (sync_offset > _region->length()))) {
/* no sync mark - its out of the bounds of the region */
sync_mark->hide();
sync_line->hide ();
} else {
/* lets do it */
Points points;
//points = sync_mark->property_points().get_value();
double offset = sync_offset / samples_per_unit;
points.push_back (Gnome::Art::Point (offset - ((sync_mark_width-1)/2), 1));
points.push_back (Gnome::Art::Point (offset + ((sync_mark_width-1)/2), 1));
points.push_back (Gnome::Art::Point (offset, sync_mark_width - 1));
points.push_back (Gnome::Art::Point (offset - ((sync_mark_width-1)/2), 1));
sync_mark->property_points().set_value (points);
sync_mark->show ();
points.clear ();
points.push_back (Gnome::Art::Point (offset, 0));
points.push_back (Gnome::Art::Point (offset, trackview.current_height() - NAME_HIGHLIGHT_SIZE));
sync_line->property_points().set_value (points);
sync_line->show ();
}
}
}
void
RegionView::move (double x_delta, double y_delta)
{
if (!_region->can_move() || (x_delta == 0 && y_delta == 0)) {
return;
}
get_canvas_group()->move (x_delta, y_delta);
/* note: ghosts never leave their tracks so y_delta for them is always zero */
for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
(*i)->group->move (x_delta, 0.0);
}
for (AutomationChildren::iterator i = _automation_children.begin();
i != _automation_children.end(); ++i) {
i->second->get_canvas_group()->move(x_delta, 0.0);
}
}
void
RegionView::remove_ghost_in (TimeAxisView& tv)
{
for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
if (&(*i)->trackview == &tv) {
delete *i;
break;
}
}
}
void
RegionView::remove_ghost (GhostRegion* ghost)
{
if (in_destructor) {
return;
}
for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
if (*i == ghost) {
ghosts.erase (i);
break;
}
}
}
uint32_t
RegionView::get_fill_color ()
{
return fill_color;
}
void
RegionView::set_height (double h)
{
TimeAxisViewItem::set_height(h);
if (sync_line) {
Points points;
int sync_dir;
nframes_t sync_offset;
sync_offset = _region->sync_offset (sync_dir);
double offset = sync_offset / samples_per_unit;
points.push_back (Gnome::Art::Point (offset, 0));
points.push_back (Gnome::Art::Point (offset, h - NAME_HIGHLIGHT_SIZE));
sync_line->property_points().set_value (points);
}
}
/** Remove old coverage frames and make new ones, if we're in a LayerDisplay mode
* which uses them. */
void
RegionView::update_coverage_frames (LayerDisplay d)
{
/* remove old coverage frames */
for (std::list<ArdourCanvas::SimpleRect*>::iterator i = _coverage_frames.begin (); i != _coverage_frames.end (); ++i) {
delete *i;
}
_coverage_frames.clear ();
if (d != Stacked) {
/* don't do coverage frames unless we're in stacked mode */
return;
}
boost::shared_ptr<Playlist> pl (_region->playlist ());
if (!pl) {
return;
}
nframes_t const position = _region->first_frame ();
nframes_t t = position;
nframes_t const end = _region->last_frame ();
ArdourCanvas::SimpleRect* cr = 0;
bool me = false;
uint32_t const color = frame->property_fill_color_rgba ();
uint32_t const base_alpha = UINT_RGBA_A (color);
while (t < end) {
t++;
/* is this region is on top at time t? */
bool const new_me = (pl->top_region_at (t) == _region);
/* finish off any old rect, if required */
if (cr && me != new_me) {
cr->property_x2() = trackview.editor.frame_to_pixel (t - position);
}
/* start off any new rect, if required */
if (cr == 0 || me != new_me) {
cr = new ArdourCanvas::SimpleRect (*group);
_coverage_frames.push_back (cr);
cr->property_x1() = trackview.editor.frame_to_pixel (t - position);
cr->property_y1() = 1;
cr->property_y2() = _height + 1;
cr->property_outline_pixels() = 0;
/* areas that will be played get a lower alpha */
uint32_t alpha = base_alpha;
if (new_me) {
alpha /= 2;
}
cr->property_fill_color_rgba () = UINT_RGBA_CHANGE_A (color, alpha);
}
t = pl->find_next_region_boundary (t, 1);
me = new_me;
}
if (cr) {
/* finish off the last rectangle */
cr->property_x2() = trackview.editor.frame_to_pixel (end - position);
}
}