#include <vector>
#include <fstream>
-#include "pbd/stl_delete.h"
+#include "boost/shared_ptr.hpp"
+
+#include "pbd/floating.h"
#include "pbd/memento_command.h"
+#include "pbd/stl_delete.h"
#include "pbd/stacktrace.h"
#include "ardour/automation_list.h"
#include "ardour/dB.h"
+#include "ardour/debug.h"
+
#include "evoral/Curve.hpp"
#include "simplerect.h"
#include "time_axis_view.h"
#include "point_selection.h"
#include "automation_time_axis.h"
-#include "public_editor.h"
#include "ardour/event_type_map.h"
#include "ardour/session.h"
_our_time_converter = true;
}
- points_visible = false;
+ _visible = Line;
+
update_pending = false;
+ have_timeout = false;
_uses_gain_mapping = false;
no_draw = false;
- _visible = true;
_is_boolean = false;
terminal_points_can_slide = true;
_height = 0;
return PublicEditor::instance().canvas_line_event (event, line, this);
}
-void
-AutomationLine::queue_reset ()
-{
- if (!update_pending) {
- update_pending = true;
- Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&AutomationLine::reset, this));
- }
-}
-
void
AutomationLine::show ()
{
- if (alist->interpolation() != AutomationList::Discrete) {
- line->show();
+ if (_visible & Line) {
+ /* Only show the line there are some points, otherwise we may show an out-of-date line
+ when automation points have been removed (the line will still follow the shape of the
+ old points).
+ */
+ if (alist->interpolation() != AutomationList::Discrete && control_points.size() >= 2) {
+ line->show();
+ } else {
+ line->hide ();
+ }
+ } else {
+ line->hide();
}
- if (points_visible) {
+ if (_visible & ControlPoints) {
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
+ (*i)->set_visible (true);
(*i)->show ();
}
+ } else if (_visible & SelectedControlPoints) {
+ for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
+ (*i)->set_visible ((*i)->get_selected());
+ }
+ } else {
+ for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
+ (*i)->set_visible (false);
+ }
}
-
- _visible = true;
}
void
AutomationLine::hide ()
{
- line->hide();
- for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
- (*i)->hide();
- }
- _visible = false;
+ set_visibility (VisibleAspects (0));
}
double
y = min (1.0, y);
y = _height - (y * _height);
- double const x = trackview.editor().frame_to_unit (_time_converter->to((*cp.model())->when) - _offset);
+ double const x = trackview.editor().frame_to_unit_unrounded (_time_converter->to((*cp.model())->when) - _offset);
trackview.editor().session()->begin_reversible_command (_("automation event move"));
trackview.editor().session()->add_command (
}
alist->freeze ();
- sync_model_with_view_point (cp, false, 0);
+ sync_model_with_view_point (cp);
alist->thaw ();
update_pending = false;
}
void
-AutomationLine::sync_model_with_view_points (list<ControlPoint*> cp, bool did_push, int64_t distance)
+AutomationLine::sync_model_with_view_points (list<ControlPoint*> cp)
{
update_pending = true;
for (list<ControlPoint*>::iterator i = cp.begin(); i != cp.end(); ++i) {
- sync_model_with_view_point (**i, did_push, distance);
+ sync_model_with_view_point (**i);
}
}
return s;
}
+string
+AutomationLine::get_verbose_cursor_relative_string (double original, double fraction) const
+{
+ std::string s = fraction_to_string (fraction);
+ if (_uses_gain_mapping) {
+ s += " dB";
+ }
+
+ std::string d = fraction_to_relative_string (original, fraction);
+
+ if (!d.empty()) {
+
+ s += " (\u0394";
+ s += d;
+
+ if (_uses_gain_mapping) {
+ s += " dB";
+ }
+
+ s += ')';
+ }
+
+ return s;
+}
+
/**
* @param fraction y fraction
* @return string representation of this value, using dB if appropriate.
return buf;
}
+/**
+ * @param original an old y-axis fraction
+ * @param fraction the new y fraction
+ * @return string representation of the difference between original and fraction, using dB if appropriate.
+ */
+string
+AutomationLine::fraction_to_relative_string (double original, double fraction) const
+{
+ char buf[32];
+
+ if (original == fraction) {
+ return "0";
+ }
+
+ if (_uses_gain_mapping) {
+ if (original == 0.0) {
+ /* there is no sensible representation of a relative
+ change from -inf dB, so return an empty string.
+ */
+ return "";
+ } else if (fraction == 0.0) {
+ snprintf (buf, sizeof (buf), "-inf");
+ } else {
+ double old_db = accurate_coefficient_to_dB (slider_position_to_gain_with_max (original, Config->get_max_gain()));
+ double new_db = accurate_coefficient_to_dB (slider_position_to_gain_with_max (fraction, Config->get_max_gain()));
+ snprintf (buf, sizeof (buf), "%.1f", new_db - old_db);
+ }
+ } else {
+ view_to_model_coord_y (original);
+ view_to_model_coord_y (fraction);
+ if (EventTypeMap::instance().is_integer (alist->parameter())) {
+ snprintf (buf, sizeof (buf), "%d", (int)fraction - (int)original);
+ } else {
+ snprintf (buf, sizeof (buf), "%.2f", fraction - original);
+ }
+ }
+
+ return buf;
+}
/**
* @param s Value string in the form as returned by fraction_to_string.
);
_drag_points.clear ();
+
for (uint32_t i = i1; i <= i2; i++) {
_drag_points.push_back (nth (i));
}
start_drag_common (0, fraction);
}
-
struct ControlPointSorter
{
- bool operator() (ControlPoint const * a, ControlPoint const * b) {
+ bool operator() (ControlPoint const * a, ControlPoint const * b) const {
+ if (floateq (a->get_x(), b->get_x(), 1)) {
+ return a->view_index() < b->view_index();
+ }
return a->get_x() < b->get_x();
}
};
+AutomationLine::ContiguousControlPoints::ContiguousControlPoints (AutomationLine& al)
+ : line (al), before_x (0), after_x (DBL_MAX)
+{
+}
+
+void
+AutomationLine::ContiguousControlPoints::compute_x_bounds ()
+{
+ uint32_t sz = size();
+
+ if (sz > 0 && sz < line.npoints()) {
+
+ /* determine the limits on x-axis motion for this
+ contiguous range of control points
+ */
+
+ if (front()->view_index() > 0) {
+ before_x = line.nth (front()->view_index() - 1)->get_x();
+ }
+
+ /* if our last point has a point after it in the line,
+ we have an "after" bound
+ */
+
+ if (back()->view_index() < (line.npoints() - 2)) {
+ after_x = line.nth (back()->view_index() + 1)->get_x();
+ }
+ }
+}
+
+double
+AutomationLine::ContiguousControlPoints::clamp_dx (double dx)
+{
+ if (empty()) {
+ return dx;
+ }
+
+ /* get the maximum distance we can move any of these points along the x-axis
+ */
+
+ double tx; /* possible position a point would move to, given dx */
+ ControlPoint* cp;
+
+ if (dx > 0) {
+ /* check the last point, since we're moving later in time */
+ cp = back();
+ } else {
+ /* check the first point, since we're moving earlier in time */
+ cp = front();
+ }
+
+ tx = cp->get_x() + dx; // new possible position if we just add the motion
+ tx = max (tx, before_x); // can't move later than following point
+ tx = min (tx, after_x); // can't move earlier than preceeding point
+ return tx - cp->get_x ();
+}
+
+void
+AutomationLine::ContiguousControlPoints::move (double dx, double dy)
+{
+ for (std::list<ControlPoint*>::iterator i = begin(); i != end(); ++i) {
+ (*i)->move_to ((*i)->get_x() + dx, (*i)->get_y() - line.height() * dy, ControlPoint::Full);
+ line.reset_line_coords (**i);
+ }
+}
+
/** Common parts of starting a drag.
* @param x Starting x position in units, or 0 if x is being ignored.
* @param fraction Starting y position (as a fraction of the track height, where 0 is the bottom and 1 the top)
_drag_had_movement = false;
did_push = false;
- _drag_points.sort (ControlPointSorter ());
+ /* they are probably ordered already, but we have to make sure */
- /* find the additional points that will be dragged when the user is holding
- the "push" modifier
- */
-
- uint32_t i = _drag_points.back()->view_index () + 1;
- ControlPoint* p = 0;
- _push_points.clear ();
- while ((p = nth (i)) != 0 && p->can_slide()) {
- _push_points.push_back (p);
- ++i;
- }
+ _drag_points.sort (ControlPointSorter());
}
+
/** Should be called to indicate motion during a drag.
- * @param x New x position of the drag in units, or undefined if ignore_x == true.
+ * @param x New x position of the drag in canvas units, or undefined if ignore_x == true.
* @param fraction New y fraction.
* @return x position and y fraction that were actually used (once clamped).
*/
pair<double, float>
-AutomationLine::drag_motion (double x, float fraction, bool ignore_x, bool with_push)
+AutomationLine::drag_motion (double const x, float fraction, bool ignore_x, bool with_push, uint32_t& final_index)
{
- /* setup the points that are to be moved this time round */
- list<ControlPoint*> points = _drag_points;
- if (with_push) {
- copy (_push_points.begin(), _push_points.end(), back_inserter (points));
- points.sort (ControlPointSorter ());
+ if (_drag_points.empty()) {
+ return pair<double,float> (x,fraction);
}
double dx = ignore_x ? 0 : (x - _drag_x);
double dy = fraction - _last_drag_fraction;
- /* find x limits */
- ControlPoint* before = 0;
- ControlPoint* after = 0;
+ if (!_drag_had_movement) {
- for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
- if ((*i)->get_x() < points.front()->get_x()) {
- before = *i;
- }
- if ((*i)->get_x() > points.back()->get_x() && after == 0) {
- after = *i;
+ /* "first move" ... do some stuff that we don't want to do if
+ no motion ever took place, but need to do before we handle
+ motion.
+ */
+
+ /* partition the points we are dragging into (potentially several)
+ * set(s) of contiguous points. this will not happen with a normal
+ * drag, but if the user does a discontiguous selection, it can.
+ */
+
+ uint32_t expected_view_index = 0;
+ CCP contig;
+
+ for (list<ControlPoint*>::iterator i = _drag_points.begin(); i != _drag_points.end(); ++i) {
+ if (i == _drag_points.begin() || (*i)->view_index() != expected_view_index) {
+ contig.reset (new ContiguousControlPoints (*this));
+ contiguous_points.push_back (contig);
+ }
+ contig->push_back (*i);
+ expected_view_index = (*i)->view_index() + 1;
}
- }
-
- double const before_x = before ? before->get_x() : 0;
- double const after_x = after ? after->get_x() : DBL_MAX;
-
- /* clamp x */
- for (list<ControlPoint*>::iterator i = points.begin(); i != points.end(); ++i) {
- if ((*i)->can_slide() && !ignore_x) {
-
- /* clamp min x */
- double const a = (*i)->get_x() + dx;
- double const b = before_x + 1;
- if (a < b) {
- dx += b - a;
- }
+ if (contiguous_points.back()->empty()) {
+ contiguous_points.pop_back ();
+ }
- /* clamp max x */
- if (after) {
-
- if (after_x - before_x < 2) {
- /* after and before are very close, so just leave this alone */
- dx = 0;
- } else {
- double const a = (*i)->get_x() + dx;
- double const b = after_x - 1;
- if (a > b) {
- dx -= a - b;
- }
- }
+ for (vector<CCP>::iterator ccp = contiguous_points.begin(); ccp != contiguous_points.end(); ++ccp) {
+ (*ccp)->compute_x_bounds ();
+ }
+ }
+
+ /* OK, now on to the stuff related to *this* motion event. First, for
+ * each contiguous range, figure out the maximum x-axis motion we are
+ * allowed (because of neighbouring points that are not moving.
+ *
+ * if we are moving forwards with push, we don't need to do this,
+ * since all later points will move too.
+ */
+
+ if (dx < 0 || ((dx > 0) && !with_push)) {
+ for (vector<CCP>::iterator ccp = contiguous_points.begin(); ccp != contiguous_points.end(); ++ccp) {
+ double dxt = (*ccp)->clamp_dx (dx);
+ if (fabs (dxt) < fabs (dx)) {
+ dx = dxt;
}
}
}
/* clamp y */
- for (list<ControlPoint*>::iterator i = points.begin(); i != points.end(); ++i) {
+
+ for (list<ControlPoint*>::iterator i = _drag_points.begin(); i != _drag_points.end(); ++i) {
double const y = ((_height - (*i)->get_y()) / _height) + dy;
if (y < 0) {
dy -= y;
}
}
- pair<double, float> const clamped (_drag_x + dx, _last_drag_fraction + dy);
- _drag_distance += dx;
- _drag_x = x;
- _last_drag_fraction = fraction;
-
- for (list<ControlPoint*>::iterator i = _drag_points.begin(); i != _drag_points.end(); ++i) {
- (*i)->move_to ((*i)->get_x() + dx, (*i)->get_y() - _height * dy, ControlPoint::Full);
- reset_line_coords (**i);
- }
+ if (dx || dy) {
- if (with_push) {
- /* move push points, preserving their y */
- for (list<ControlPoint*>::iterator i = _push_points.begin(); i != _push_points.end(); ++i) {
- (*i)->move_to ((*i)->get_x() + dx, (*i)->get_y(), ControlPoint::Full);
- reset_line_coords (**i);
+ /* and now move each section */
+
+ for (vector<CCP>::iterator ccp = contiguous_points.begin(); ccp != contiguous_points.end(); ++ccp) {
+ (*ccp)->move (dx, dy);
+ }
+ if (with_push) {
+ final_index = contiguous_points.back()->back()->view_index () + 1;
+ ControlPoint* p;
+ uint32_t i = final_index;
+ while ((p = nth (i)) != 0 && p->can_slide()) {
+ p->move_to (p->get_x() + dx, p->get_y(), ControlPoint::Full);
+ reset_line_coords (*p);
+ ++i;
+ }
}
- }
- if (line_points.size() > 1) {
- line->property_points() = line_points;
- }
+ /* update actual line coordinates (will queue a redraw)
+ */
+ if (line_points.size() > 1) {
+ line->property_points() = line_points;
+ }
+ }
+
+ _drag_distance += dx;
+ _drag_x += dx;
+ _last_drag_fraction = fraction;
_drag_had_movement = true;
did_push = with_push;
- return clamped;
+ return pair<double, float> (_drag_x + dx, _last_drag_fraction + dy);
}
/** Should be called to indicate the end of a drag */
void
-AutomationLine::end_drag ()
+AutomationLine::end_drag (bool with_push, uint32_t final_index)
{
if (!_drag_had_movement) {
return;
}
alist->freeze ();
+ sync_model_with_view_points (_drag_points);
- /* set up the points that were moved this time round */
- list<ControlPoint*> points = _drag_points;
- if (did_push) {
- copy (_push_points.begin(), _push_points.end(), back_inserter (points));
- points.sort (ControlPointSorter ());
+ if (with_push) {
+ ControlPoint* p;
+ uint32_t i = final_index;
+ while ((p = nth (i)) != 0 && p->can_slide()) {
+ sync_model_with_view_point (*p);
+ ++i;
+ }
}
- sync_model_with_view_points (points, did_push, rint (_drag_distance * trackview.editor().get_current_zoom ()));
-
alist->thaw ();
update_pending = false;
);
trackview.editor().session()->set_dirty ();
+ did_push = false;
+
+ contiguous_points.clear ();
}
void
-AutomationLine::sync_model_with_view_point (ControlPoint& cp, bool did_push, int64_t distance)
+AutomationLine::sync_model_with_view_point (ControlPoint& cp)
{
/* find out where the visual control point is.
initial results are in canvas units. ask the
/* if xval has not changed, set it directly from the model to avoid rounding errors */
- if (view_x == trackview.editor().frame_to_unit (_time_converter->to ((*cp.model())->when)) - _offset) {
+ if (view_x == trackview.editor().frame_to_unit_unrounded (_time_converter->to ((*cp.model())->when)) - _offset) {
view_x = (*cp.model())->when - _offset;
} else {
view_x = trackview.editor().unit_to_frame (view_x);
view_to_model_coord_y (view_y);
alist->modify (cp.model(), view_x, view_y);
-
- if (did_push) {
-
- /* move all points after cp by the same distance
- */
-
- alist->slide (cp.model()++, distance);
- }
}
bool
ControlPoint *acp = 0;
double unit_xval;
- unit_xval = trackview.editor().frame_to_unit (xval);
+ unit_xval = trackview.editor().frame_to_unit_unrounded (xval);
for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
* @param result Filled in with selectable things; in this case, ControlPoints.
*/
void
-AutomationLine::get_selectables (
- framepos_t start, framepos_t end, double botfrac, double topfrac, list<Selectable*>& results
- )
+AutomationLine::get_selectables (framepos_t start, framepos_t end, double botfrac, double topfrac, list<Selectable*>& results)
{
/* convert fractions to display coordinates with 0 at the top of the track */
double const bot_track = (1 - topfrac) * trackview.current_height ();
// hmmm ....
}
-/** Take a PointSelection and find ControlPoints that fall within it */
-list<ControlPoint*>
-AutomationLine::point_selection_to_control_points (PointSelection const & s)
-{
- list<ControlPoint*> cp;
-
- for (PointSelection::const_iterator i = s.begin(); i != s.end(); ++i) {
-
- if (i->track != &trackview) {
- continue;
- }
-
- double const bot = (1 - i->high_fract) * trackview.current_height ();
- double const top = (1 - i->low_fract) * trackview.current_height ();
-
- for (vector<ControlPoint*>::iterator j = control_points.begin(); j != control_points.end(); ++j) {
-
- double const rstart = trackview.editor().frame_to_unit (_time_converter->to (i->start) - _offset);
- double const rend = trackview.editor().frame_to_unit (_time_converter->to (i->end) - _offset);
-
- if ((*j)->get_x() >= rstart && (*j)->get_x() <= rend) {
- if ((*j)->get_y() >= bot && (*j)->get_y() <= top) {
- cp.push_back (*j);
- }
- }
- }
-
- }
-
- return cp;
-}
-
void
AutomationLine::set_selected_points (PointSelection const & points)
{
(*i)->set_selected (false);
}
- if (!points.empty()) {
- list<ControlPoint*> cp = point_selection_to_control_points (points);
- for (list<ControlPoint*>::iterator i = cp.begin(); i != cp.end(); ++i) {
- (*i)->set_selected (true);
- }
+ for (PointSelection::const_iterator i = points.begin(); i != points.end(); ++i) {
+ (*i)->set_selected (true);
}
set_colors ();
void
AutomationLine::list_changed ()
{
- queue_reset ();
+ DEBUG_TRACE (DEBUG::Automation, string_compose ("\tline changed, existing update pending? %1\n", update_pending));
+
+ if (!update_pending) {
+ update_pending = true;
+ Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&AutomationLine::queue_reset, this));
+ }
}
void
* zoom and scroll into account).
*/
- tx = trackview.editor().frame_to_unit (tx);
+ tx = trackview.editor().frame_to_unit_unrounded (tx);
/* convert from canonical view height (0..1.0) to actual
* height coordinates (using X11's top-left rooted system)
void
AutomationLine::reset ()
{
+ DEBUG_TRACE (DEBUG::Automation, "\t\tLINE RESET\n");
update_pending = false;
+ have_timeout = false;
if (no_draw) {
return;
alist->apply_to_points (*this, &AutomationLine::reset_callback);
}
+void
+AutomationLine::queue_reset ()
+{
+ /* this must be called from the GUI thread
+ */
+
+ if (trackview.editor().session()->transport_rolling() && alist->automation_write()) {
+ /* automation write pass ... defer to a timeout */
+ /* redraw in 1/4 second */
+ if (!have_timeout) {
+ DEBUG_TRACE (DEBUG::Automation, "\tqueue timeout\n");
+ Glib::signal_timeout().connect (sigc::bind_return (sigc::mem_fun (*this, &AutomationLine::reset), false), 250);
+ have_timeout = true;
+ } else {
+ DEBUG_TRACE (DEBUG::Automation, "\ttimeout already queued, change ignored\n");
+ }
+ } else {
+ reset ();
+ }
+}
+
void
AutomationLine::clear ()
{
}
void
-AutomationLine::show_all_control_points ()
+AutomationLine::add_visibility (VisibleAspects va)
{
- if (_is_boolean) {
- // show the line but don't allow any control points
- return;
- }
-
- points_visible = true;
-
- for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
- if (!(*i)->visible()) {
- (*i)->show ();
- (*i)->set_visible (true);
- }
- }
+ _visible = VisibleAspects (_visible | va);
+ show ();
}
void
-AutomationLine::hide_all_but_selected_control_points ()
+AutomationLine::set_visibility (VisibleAspects va)
{
- if (alist->interpolation() == AutomationList::Discrete) {
- return;
- }
-
- points_visible = false;
+ _visible = va;
+ show ();
+}
- for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
- if (!(*i)->get_selected()) {
- (*i)->set_visible (false);
- }
- }
+void
+AutomationLine::remove_visibility (VisibleAspects va)
+{
+ _visible = VisibleAspects (_visible & ~va);
+ show ();
}
void
AutomationLine::track_entered()
{
if (alist->interpolation() != AutomationList::Discrete) {
- show_all_control_points();
+ add_visibility (ControlPoints);
}
}
AutomationLine::track_exited()
{
if (alist->interpolation() != AutomationList::Discrete) {
- hide_all_but_selected_control_points();
+ remove_visibility (ControlPoints);
}
}
AutomationLine::interpolation_changed (AutomationList::InterpolationStyle style)
{
if (style == AutomationList::Discrete) {
- show_all_control_points();
+ set_visibility (ControlPoints);
line->hide();
} else {
- hide_all_but_selected_control_points();
- line->show();
+ set_visibility (Line);
}
}
/* finally, control visibility */
- if (_visible && points_visible) {
+ if (_visible & ControlPoints) {
control_points[view_index]->show ();
control_points[view_index]->set_visible (true);
} else {
- if (!points_visible) {
- control_points[view_index]->set_visible (false);
- }
+ control_points[view_index]->set_visible (false);
}
}
pair<framepos_t, framepos_t> r (max_framepos, 0);
for (AutomationList::const_iterator i = the_list()->begin(); i != the_list()->end(); ++i) {
- r.first = min (r.first, _time_converter->to ((*i)->when) + _offset + _time_converter->origin_b ());
- r.second = max (r.second, _time_converter->to ((*i)->when) + _offset + _time_converter->origin_b ());
+ r.first = min (r.first, session_position (i));
+ r.second = max (r.second, session_position (i));
}
return r;
}
+framepos_t
+AutomationLine::session_position (AutomationList::const_iterator p) const
+{
+ return _time_converter->to ((*p)->when) + _offset + _time_converter->origin_b ();
+}
+
void
AutomationLine::set_offset (framepos_t off)
{
projects / ardour.git / blobdiff