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diff --git a/libs/ardour/automation_event.cc b/libs/ardour/automation_event.cc
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+/*
+ Copyright (C) 2002 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.
+
+ $Id$
+*/
+
+#include <set>
+#include <climits>
+#include <float.h>
+#include <cmath>
+#include <algorithm>
+#include <sigc++/bind.h>
+#include <ardour/automation_event.h>
+
+#include "i18n.h"
+
+using namespace std;
+using namespace ARDOUR;
+using namespace sigc;
+
+#if 0
+static void dumpit (const AutomationList& al, string prefix = "")
+{
+ cerr << prefix << &al << endl;
+ for (AutomationList::const_iterator i = al.const_begin(); i != al.const_end(); ++i) {
+ cerr << prefix << '\t' << (*i)->when << ',' << (*i)->value << endl;
+ }
+ cerr << "\n";
+}
+#endif
+
+AutomationList::AutomationList (double defval, bool with_state)
+{
+ _frozen = false;
+ changed_when_thawed = false;
+ _state = Off;
+ _style = Absolute;
+ _touching = false;
+ no_state = with_state;
+ min_yval = FLT_MIN;
+ max_yval = FLT_MAX;
+ max_xval = 0; // means "no limit"
+ default_value = defval;
+ _dirty = false;
+ rt_insertion_point = events.end();
+ lookup_cache.left = -1;
+ lookup_cache.range.first = events.end();
+
+ if (!no_state) {
+ save_state (_("initial"));
+ }
+}
+
+AutomationList::AutomationList (const AutomationList& other)
+{
+ _frozen = false;
+ changed_when_thawed = false;
+ _style = other._style;
+ min_yval = other.min_yval;
+ max_yval = other.max_yval;
+ max_xval = other.max_xval;
+ default_value = other.default_value;
+ _state = other._state;
+ _touching = other._touching;
+ _dirty = false;
+ rt_insertion_point = events.end();
+ no_state = other.no_state;
+ lookup_cache.left = -1;
+ lookup_cache.range.first = events.end();
+
+ for (const_iterator i = other.events.begin(); i != other.events.end(); ++i) {
+ /* we have to use other point_factory() because
+ its virtual and we're in a constructor.
+ */
+ events.push_back (other.point_factory (**i));
+ }
+
+ mark_dirty ();
+}
+
+AutomationList::AutomationList (const AutomationList& other, double start, double end)
+{
+ _frozen = false;
+ changed_when_thawed = false;
+ _style = other._style;
+ min_yval = other.min_yval;
+ max_yval = other.max_yval;
+ max_xval = other.max_xval;
+ default_value = other.default_value;
+ _state = other._state;
+ _touching = other._touching;
+ _dirty = false;
+ rt_insertion_point = events.end();
+ no_state = other.no_state;
+ lookup_cache.left = -1;
+ lookup_cache.range.first = events.end();
+
+ /* now grab the relevant points, and shift them back if necessary */
+
+ AutomationList* section = const_cast<AutomationList*>(&other)->copy (start, end);
+
+ if (!section->empty()) {
+ for (AutomationList::iterator i = section->begin(); i != section->end(); ++i) {
+ events.push_back (other.point_factory ((*i)->when, (*i)->value));
+ }
+ }
+
+ delete section;
+
+ mark_dirty ();
+}
+
+AutomationList::~AutomationList()
+{
+ std::set<ControlEvent*> all_events;
+ AutomationList::State* asp;
+
+ for (AutomationEventList::iterator x = events.begin(); x != events.end(); ++x) {
+ all_events.insert (*x);
+ }
+
+ for (StateMap::iterator i = states.begin(); i != states.end(); ++i) {
+
+ if ((asp = dynamic_cast<AutomationList::State*> (*i)) != 0) {
+
+ for (AutomationEventList::iterator x = asp->events.begin(); x != asp->events.end(); ++x) {
+ all_events.insert (*x);
+ }
+ }
+ }
+
+ for (std::set<ControlEvent*>::iterator i = all_events.begin(); i != all_events.end(); ++i) {
+ delete (*i);
+ }
+}
+
+bool
+AutomationList::operator== (const AutomationList& other)
+{
+ return events == other.events;
+}
+
+AutomationList&
+AutomationList::operator= (const AutomationList& other)
+{
+ if (this != &other) {
+
+ events.clear ();
+
+ for (const_iterator i = other.events.begin(); i != other.events.end(); ++i) {
+ events.push_back (point_factory (**i));
+ }
+
+ min_yval = other.min_yval;
+ max_yval = other.max_yval;
+ max_xval = other.max_xval;
+ default_value = other.default_value;
+
+ mark_dirty ();
+ maybe_signal_changed ();
+ }
+
+ return *this;
+}
+
+void
+AutomationList::maybe_signal_changed ()
+{
+ mark_dirty ();
+
+ if (_frozen) {
+ changed_when_thawed = true;
+ } else {
+ StateChanged (Change (0));
+ }
+}
+
+void
+AutomationList::set_automation_state (AutoState s)
+{
+ if (s != _state) {
+ _state = s;
+ automation_state_changed (); /* EMIT SIGNAL */
+ }
+}
+
+void
+AutomationList::set_automation_style (AutoStyle s)
+{
+ if (s != _style) {
+ _style = s;
+ automation_style_changed (); /* EMIT SIGNAL */
+ }
+}
+
+void
+AutomationList::start_touch ()
+{
+ _touching = true;
+ _new_touch = true;
+}
+
+void
+AutomationList::stop_touch ()
+{
+ _touching = false;
+ _new_touch = false;
+}
+
+void
+AutomationList::clear ()
+{
+ {
+ LockMonitor lm (lock, __LINE__, __FILE__);
+ events.clear ();
+ if (!no_state) {
+ save_state (_("cleared"));
+ }
+ mark_dirty ();
+ }
+
+ maybe_signal_changed ();
+}
+
+void
+AutomationList::x_scale (double factor)
+{
+ LockMonitor lm (lock, __LINE__, __FILE__);
+ _x_scale (factor);
+}
+
+bool
+AutomationList::extend_to (double when)
+{
+ LockMonitor lm (lock, __LINE__, __FILE__);
+ if (events.empty() || events.back()->when == when) {
+ return false;
+ }
+ double factor = when / events.back()->when;
+ _x_scale (factor);
+ return true;
+}
+
+void AutomationList::_x_scale (double factor)
+{
+ for (AutomationList::iterator i = events.begin(); i != events.end(); ++i) {
+ (*i)->when = floor ((*i)->when * factor);
+ }
+
+ save_state ("x-scaled");
+ mark_dirty ();
+}
+
+void
+AutomationList::reposition_for_rt_add (double when)
+{
+ rt_insertion_point = events.end();
+}
+
+#define last_rt_insertion_point rt_insertion_point
+
+void
+AutomationList::rt_add (double when, double value)
+{
+ /* this is for automation recording */
+
+ if ((_state & Touch) && !_touching) {
+ return;
+ }
+
+ // cerr << "RT: alist @ " << this << " add " << value << " @ " << when << endl;
+
+ {
+ LockMonitor lm (lock, __LINE__, __FILE__);
+
+ iterator where;
+ TimeComparator cmp;
+ ControlEvent cp (when, 0.0);
+ bool done = false;
+
+ if ((last_rt_insertion_point != events.end()) && ((*last_rt_insertion_point)->when < when) ) {
+
+ /* we have a previous insertion point, so we should delete
+ everything between it and the position where we are going
+ to insert this point.
+ */
+
+ iterator after = last_rt_insertion_point;
+
+ if (++after != events.end()) {
+ iterator far = after;
+
+ while (far != events.end()) {
+ if ((*far)->when > when) {
+ break;
+ }
+ ++far;
+ }
+
+ if(_new_touch) {
+ where = far;
+ last_rt_insertion_point = where;
+
+ if((*where)->when == when) {
+ (*where)->value = value;
+ done = true;
+ }
+ } else {
+ where = events.erase (after, far);
+ }
+
+ } else {
+
+ where = after;
+
+ }
+
+ iterator previous = last_rt_insertion_point;
+ --previous;
+
+ if (last_rt_insertion_point != events.begin() && (*last_rt_insertion_point)->value == value && (*previous)->value == value) {
+ (*last_rt_insertion_point)->when = when;
+ done = true;
+
+ }
+
+ } else {
+
+ where = lower_bound (events.begin(), events.end(), &cp, cmp);
+
+ if (where != events.end()) {
+ if ((*where)->when == when) {
+ (*where)->value = value;
+ done = true;
+ }
+ }
+ }
+
+ if (!done) {
+ last_rt_insertion_point = events.insert (where, point_factory (when, value));
+ }
+
+ _new_touch = false;
+ mark_dirty ();
+ }
+
+ maybe_signal_changed ();
+}
+
+#undef last_rt_insertion_point
+
+void
+AutomationList::add (double when, double value, bool for_loading)
+{
+ /* this is for graphical editing and loading data from storage */
+
+ {
+ LockMonitor lm (lock, __LINE__, __FILE__);
+ TimeComparator cmp;
+ ControlEvent cp (when, 0.0f);
+ bool insert = true;
+ iterator insertion_point;
+
+ for (insertion_point = lower_bound (events.begin(), events.end(), &cp, cmp); insertion_point != events.end(); ++insertion_point) {
+
+ /* only one point allowed per time point */
+
+ if ((*insertion_point)->when == when) {
+ (*insertion_point)->value = value;
+ insert = false;
+ break;
+ }
+
+ if ((*insertion_point)->when >= when) {
+ break;
+ }
+ }
+
+ if (insert) {
+
+ events.insert (insertion_point, point_factory (when, value));
+ reposition_for_rt_add (0);
+
+ }
+
+ mark_dirty ();
+
+ if (!no_state && !for_loading) {
+ save_state (_("added event"));
+ }
+ }
+
+ if (!for_loading) {
+ maybe_signal_changed ();
+ }
+}
+
+void
+AutomationList::erase (AutomationList::iterator i)
+{
+ {
+ LockMonitor lm (lock, __LINE__, __FILE__);
+ events.erase (i);
+ reposition_for_rt_add (0);
+ if (!no_state) {
+ save_state (_("removed event"));
+ }
+ mark_dirty ();
+ }
+ maybe_signal_changed ();
+}
+
+void
+AutomationList::erase (AutomationList::iterator start, AutomationList::iterator end)
+{
+ {
+ LockMonitor lm (lock, __LINE__, __FILE__);
+ events.erase (start, end);
+ reposition_for_rt_add (0);
+ if (!no_state) {
+ save_state (_("removed multiple events"));
+ }
+ mark_dirty ();
+ }
+ maybe_signal_changed ();
+}
+
+void
+AutomationList::erase_range (double start, double endt)
+{
+ bool erased = false;
+
+ {
+ LockMonitor lm (lock, __LINE__, __FILE__);
+ TimeComparator cmp;
+ ControlEvent cp (start, 0.0f);
+ iterator s;
+ iterator e;
+
+ if ((s = lower_bound (events.begin(), events.end(), &cp, cmp)) != events.end()) {
+ cp.when = endt;
+ e = upper_bound (events.begin(), events.end(), &cp, cmp);
+ events.erase (s, e);
+ reposition_for_rt_add (0);
+ erased = true;
+ if (!no_state) {
+ save_state (_("removed range"));
+ }
+ mark_dirty ();
+ }
+
+ }
+
+ if (erased) {
+ maybe_signal_changed ();
+ }
+}
+
+void
+AutomationList::move_range (iterator start, iterator end, double xdelta, double ydelta)
+{
+ /* note: we assume higher level logic is in place to avoid this
+ reordering the time-order of control events in the list. ie. all
+ points after end are later than (end)->when.
+ */
+
+ {
+ LockMonitor lm (lock, __LINE__, __FILE__);
+
+ while (start != end) {
+ (*start)->when += xdelta;
+ (*start)->value += ydelta;
+ ++start;
+ }
+
+ if (!no_state) {
+ save_state (_("event range adjusted"));
+ }
+
+ mark_dirty ();
+ }
+
+ maybe_signal_changed ();
+}
+
+void
+AutomationList::modify (iterator iter, double when, double val)
+{
+ /* note: we assume higher level logic is in place to avoid this
+ reordering the time-order of control events in the list. ie. all
+ points after *iter are later than when.
+ */
+
+ {
+ LockMonitor lm (lock, __LINE__, __FILE__);
+ (*iter)->when = when;
+ (*iter)->value = val;
+ if (!no_state) {
+ save_state (_("event adjusted"));
+ }
+
+ mark_dirty ();
+ }
+
+ maybe_signal_changed ();
+}
+
+std::pair<AutomationList::iterator,AutomationList::iterator>
+AutomationList::control_points_adjacent (double xval)
+{
+ LockMonitor lm (lock, __LINE__, __FILE__);
+ iterator i;
+ TimeComparator cmp;
+ ControlEvent cp (xval, 0.0f);
+ std::pair<iterator,iterator> ret;
+
+ ret.first = events.end();
+ ret.second = events.end();
+
+ for (i = lower_bound (events.begin(), events.end(), &cp, cmp); i != events.end(); ++i) {
+
+ if (ret.first == events.end()) {
+ if ((*i)->when >= xval) {
+ if (i != events.begin()) {
+ ret.first = i;
+ --ret.first;
+ } else {
+ return ret;
+ }
+ }
+ }
+
+ if ((*i)->when > xval) {
+ ret.second = i;
+ break;
+ }
+ }
+
+ return ret;
+}
+
+void
+AutomationList::freeze ()
+{
+ _frozen = true;
+}
+
+void
+AutomationList::thaw ()
+{
+ _frozen = false;
+ if (changed_when_thawed) {
+ StateChanged(Change(0)); /* EMIT SIGNAL */
+ }
+}
+
+StateManager::State*
+AutomationList::state_factory (std::string why) const
+{
+ State* state = new State (why);
+
+ for (AutomationEventList::const_iterator x = events.begin(); x != events.end(); ++x) {
+ state->events.push_back (point_factory (**x));
+ }
+
+ return state;
+}
+
+Change
+AutomationList::restore_state (StateManager::State& state)
+{
+ {
+ LockMonitor lm (lock, __LINE__, __FILE__);
+ State* lstate = dynamic_cast<State*> (&state);
+
+ events.clear ();
+ for (AutomationEventList::const_iterator x = lstate->events.begin(); x != lstate->events.end(); ++x) {
+ events.push_back (point_factory (**x));
+ }
+ }
+
+ return Change (0);
+}
+
+UndoAction
+AutomationList::get_memento () const
+{
+ return sigc::bind (mem_fun (*(const_cast<AutomationList*> (this)), &StateManager::use_state), _current_state_id);
+}
+
+void
+AutomationList::set_max_xval (double x)
+{
+ max_xval = x;
+}
+
+void
+AutomationList::mark_dirty ()
+{
+ lookup_cache.left = -1;
+ _dirty = true;
+}
+
+void
+AutomationList::truncate_end (double last_coordinate)
+{
+ {
+ LockMonitor lm (lock, __LINE__, __FILE__);
+ ControlEvent cp (last_coordinate, 0);
+ list<ControlEvent*>::reverse_iterator i;
+ double last_val;
+
+ if (events.empty()) {
+ fatal << _("programming error:")
+ << "AutomationList::truncate_end() called on an empty list"
+ << endmsg;
+ /*NOTREACHED*/
+ return;
+ }
+
+ if (last_coordinate == events.back()->when) {
+ return;
+ }
+
+ if (last_coordinate > events.back()->when) {
+
+ /* extending end:
+ */
+
+ iterator foo = events.begin();
+ bool lessthantwo;
+
+ if (foo == events.end()) {
+ lessthantwo = true;
+ } else if (++foo == events.end()) {
+ lessthantwo = true;
+ } else {
+ lessthantwo = false;
+ }
+
+ if (lessthantwo) {
+ /* less than 2 points: add a new point */
+ events.push_back (point_factory (last_coordinate, events.back()->value));
+ } else {
+
+ /* more than 2 points: check to see if the last 2 values
+ are equal. if so, just move the position of the
+ last point. otherwise, add a new point.
+ */
+
+ iterator penultimate = events.end();
+ --penultimate; /* points at last point */
+ --penultimate; /* points at the penultimate point */
+
+ if (events.back()->value == (*penultimate)->value) {
+ events.back()->when = last_coordinate;
+ } else {
+ events.push_back (point_factory (last_coordinate, events.back()->value));
+ }
+ }
+
+ } else {
+
+ /* shortening end */
+
+ last_val = unlocked_eval (last_coordinate);
+ last_val = max ((double) min_yval, last_val);
+ last_val = min ((double) max_yval, last_val);
+
+ i = events.rbegin();
+
+ /* make i point to the last control point */
+
+ ++i;
+
+ /* now go backwards, removing control points that are
+ beyond the new last coordinate.
+ */
+
+ uint32_t sz = events.size();
+
+ while (i != events.rend() && sz > 2) {
+ list<ControlEvent*>::reverse_iterator tmp;
+
+ tmp = i;
+ ++tmp;
+
+ if ((*i)->when < last_coordinate) {
+ break;
+ }
+
+ events.erase (i.base());
+ --sz;
+
+ i = tmp;
+ }
+
+ events.back()->when = last_coordinate;
+ events.back()->value = last_val;
+ }
+
+ reposition_for_rt_add (0);
+ mark_dirty();
+ }
+
+ maybe_signal_changed ();
+}
+
+void
+AutomationList::truncate_start (double overall_length)
+{
+ {
+ LockMonitor lm (lock, __LINE__, __FILE__);
+ AutomationList::iterator i;
+ double first_legal_value;
+ double first_legal_coordinate;
+
+ if (events.empty()) {
+ fatal << _("programming error:")
+ << "AutomationList::truncate_start() called on an empty list"
+ << endmsg;
+ /*NOTREACHED*/
+ return;
+ }
+
+ if (overall_length == events.back()->when) {
+ /* no change in overall length */
+ return;
+ }
+
+ if (overall_length > events.back()->when) {
+
+ /* growing at front: duplicate first point. shift all others */
+
+ double shift = overall_length - events.back()->when;
+ uint32_t np;
+
+ for (np = 0, i = events.begin(); i != events.end(); ++i, ++np) {
+ (*i)->when += shift;
+ }
+
+ if (np < 2) {
+
+ /* less than 2 points: add a new point */
+ events.push_front (point_factory (0, events.front()->value));
+
+ } else {
+
+ /* more than 2 points: check to see if the first 2 values
+ are equal. if so, just move the position of the
+ first point. otherwise, add a new point.
+ */
+
+ iterator second = events.begin();
+ ++second; /* points at the second point */
+
+ if (events.front()->value == (*second)->value) {
+ /* first segment is flat, just move start point back to zero */
+ events.front()->when = 0;
+ } else {
+ /* leave non-flat segment in place, add a new leading point. */
+ events.push_front (point_factory (0, events.front()->value));
+ }
+ }
+
+ } else {
+
+ /* shrinking at front */
+
+ first_legal_coordinate = events.back()->when - overall_length;
+ first_legal_value = unlocked_eval (first_legal_coordinate);
+ first_legal_value = max (min_yval, first_legal_value);
+ first_legal_value = min (max_yval, first_legal_value);
+
+ /* remove all events earlier than the new "front" */
+
+ i = events.begin();
+
+ while (i != events.end() && !events.empty()) {
+ list<ControlEvent*>::iterator tmp;
+
+ tmp = i;
+ ++tmp;
+
+ if ((*i)->when > first_legal_coordinate) {
+ break;
+ }
+
+ events.erase (i);
+
+ i = tmp;
+ }
+
+
+ /* shift all remaining points left to keep their same
+ relative position
+ */
+
+ for (i = events.begin(); i != events.end(); ++i) {
+ (*i)->when -= first_legal_coordinate;
+ }
+
+ /* add a new point for the interpolated new value */
+
+ events.push_front (point_factory (0, first_legal_value));
+ }
+
+ reposition_for_rt_add (0);
+
+ mark_dirty();
+ }
+
+ maybe_signal_changed ();
+}
+
+double
+AutomationList::unlocked_eval (double x)
+{
+ return shared_eval (x);
+}
+
+double
+AutomationList::shared_eval (double x)
+{
+ pair<AutomationEventList::iterator,AutomationEventList::iterator> range;
+ int32_t npoints;
+ double lpos, upos;
+ double lval, uval;
+ double fraction;
+
+ npoints = events.size();
+
+ switch (npoints) {
+ case 0:
+ return default_value;
+
+ case 1:
+ if (x >= events.front()->when) {
+ return events.front()->value;
+ } else {
+ // return default_value;
+ return events.front()->value;
+ }
+
+ case 2:
+ if (x >= events.back()->when) {
+ return events.back()->value;
+ } else if (x == events.front()->when) {
+ return events.front()->value;
+ } else if (x < events.front()->when) {
+ // return default_value;
+ return events.front()->value;
+ }
+
+ lpos = events.front()->when;
+ lval = events.front()->value;
+ upos = events.back()->when;
+ uval = events.back()->value;
+
+ /* linear interpolation betweeen the two points
+ */
+
+ fraction = (double) (x - lpos) / (double) (upos - lpos);
+ return lval + (fraction * (uval - lval));
+
+ default:
+
+ if (x >= events.back()->when) {
+ return events.back()->value;
+ } else if (x == events.front()->when) {
+ return events.front()->value;
+ } else if (x < events.front()->when) {
+ // return default_value;
+ return events.front()->value;
+ }
+
+ return multipoint_eval (x);
+ break;
+ }
+}
+
+double
+AutomationList::multipoint_eval (double x)
+{
+ pair<AutomationList::iterator,AutomationList::iterator> range;
+ double upos, lpos;
+ double uval, lval;
+ double fraction;
+
+ /* only do the range lookup if x is in a different range than last time
+ this was called (or if the lookup cache has been marked "dirty" (left<0)
+ */
+
+ if ((lookup_cache.left < 0) ||
+ ((lookup_cache.left > x) ||
+ (lookup_cache.range.first == events.end()) ||
+ ((*lookup_cache.range.second)->when < x))) {
+
+ ControlEvent cp (x, 0);
+ TimeComparator cmp;
+
+ lookup_cache.range = equal_range (events.begin(), events.end(), &cp, cmp);
+ }
+
+ range = lookup_cache.range;
+
+ if (range.first == range.second) {
+
+ /* x does not exist within the list as a control point */
+
+ lookup_cache.left = x;
+
+ if (range.first != events.begin()) {
+ --range.first;
+ lpos = (*range.first)->when;
+ lval = (*range.first)->value;
+ } else {
+ /* we're before the first point */
+ // return default_value;
+ return events.front()->value;
+ }
+
+ if (range.second == events.end()) {
+ /* we're after the last point */
+ return events.back()->value;
+ }
+
+ upos = (*range.second)->when;
+ uval = (*range.second)->value;
+
+ /* linear interpolation betweeen the two points
+ on either side of x
+ */
+
+ fraction = (double) (x - lpos) / (double) (upos - lpos);
+ return lval + (fraction * (uval - lval));
+
+ }
+
+ /* x is a control point in the data */
+ lookup_cache.left = -1;
+ return (*range.first)->value;
+}
+
+AutomationList*
+AutomationList::cut (iterator start, iterator end)
+{
+ AutomationList* nal = new AutomationList (default_value);
+
+ {
+ LockMonitor lm (lock, __LINE__, __FILE__);
+
+ for (iterator x = start; x != end; ) {
+ iterator tmp;
+
+ tmp = x;
+ ++tmp;
+
+ nal->events.push_back (point_factory (**x));
+ events.erase (x);
+
+ reposition_for_rt_add (0);
+
+ x = tmp;
+ }
+
+ mark_dirty ();
+ }
+
+ maybe_signal_changed ();
+
+ return nal;
+}
+
+AutomationList*
+AutomationList::cut_copy_clear (double start, double end, int op)
+{
+ AutomationList* nal = new AutomationList (default_value);
+ iterator s, e;
+ ControlEvent cp (start, 0.0);
+ TimeComparator cmp;
+ bool changed = false;
+
+ {
+ LockMonitor lm (lock, __LINE__, __FILE__);
+
+ if ((s = lower_bound (events.begin(), events.end(), &cp, cmp)) == events.end()) {
+ return nal;
+ }
+
+ cp.when = end;
+ e = upper_bound (events.begin(), events.end(), &cp, cmp);
+
+ if (op != 2 && (*s)->when != start) {
+ nal->events.push_back (point_factory (0, unlocked_eval (start)));
+ }
+
+ for (iterator x = s; x != e; ) {
+ iterator tmp;
+
+ tmp = x;
+ ++tmp;
+
+ changed = true;
+
+ /* adjust new points to be relative to start, which
+ has been set to zero.
+ */
+
+ if (op != 2) {
+ nal->events.push_back (point_factory ((*x)->when - start, (*x)->value));
+ }
+
+ if (op != 1) {
+ events.erase (x);
+ }
+
+ x = tmp;
+ }
+
+ if (op != 2 && nal->events.back()->when != end - start) {
+ nal->events.push_back (point_factory (end - start, unlocked_eval (end)));
+ }
+
+ if (changed) {
+ reposition_for_rt_add (0);
+ if (!no_state) {
+ save_state (_("cut/copy/clear"));
+ }
+ }
+
+ mark_dirty ();
+ }
+
+ maybe_signal_changed ();
+
+ return nal;
+
+}
+
+AutomationList*
+AutomationList::copy (iterator start, iterator end)
+{
+ AutomationList* nal = new AutomationList (default_value);
+
+ {
+ LockMonitor lm (lock, __LINE__, __FILE__);
+
+ for (iterator x = start; x != end; ) {
+ iterator tmp;
+
+ tmp = x;
+ ++tmp;
+
+ nal->events.push_back (point_factory (**x));
+
+ x = tmp;
+ }
+
+ if (!no_state) {
+ save_state (_("copy"));
+ }
+ }
+
+ return nal;
+}
+
+AutomationList*
+AutomationList::cut (double start, double end)
+{
+ return cut_copy_clear (start, end, 0);
+}
+
+AutomationList*
+AutomationList::copy (double start, double end)
+{
+ return cut_copy_clear (start, end, 1);
+}
+
+void
+AutomationList::clear (double start, double end)
+{
+ (void) cut_copy_clear (start, end, 2);
+}
+
+bool
+AutomationList::paste (AutomationList& alist, double pos, float times)
+{
+ if (alist.events.empty()) {
+ return false;
+ }
+
+ {
+ LockMonitor lm (lock, __LINE__, __FILE__);
+ iterator where;
+ iterator prev;
+ double end = 0;
+ ControlEvent cp (pos, 0.0);
+ TimeComparator cmp;
+
+ where = upper_bound (events.begin(), events.end(), &cp, cmp);
+
+ for (iterator i = alist.begin();i != alist.end(); ++i) {
+ events.insert (where, point_factory( (*i)->when+pos,( *i)->value));
+ end = (*i)->when + pos;
+ }
+
+
+ /* move all points after the insertion along the timeline by
+ the correct amount.
+ */
+
+ while (where != events.end()) {
+ iterator tmp;
+ if ((*where)->when <= end) {
+ tmp = where;
+ ++tmp;
+ events.erase(where);
+ where = tmp;
+
+ } else {
+ break;
+ }
+ }
+
+ reposition_for_rt_add (0);
+
+ if (!no_state) {
+ save_state (_("paste"));
+ }
+
+ mark_dirty ();
+ }
+
+ maybe_signal_changed ();
+ return true;
+}
+
+ControlEvent*
+AutomationList::point_factory (double when, double val) const
+{
+ return new ControlEvent (when, val);
+}
+
+ControlEvent*
+AutomationList::point_factory (const ControlEvent& other) const
+{
+ return new ControlEvent (other);
+}
+
+void
+AutomationList::store_state (XMLNode& node) const
+{
+ LocaleGuard lg (X_("POSIX"));
+
+ for (const_iterator i = const_begin(); i != const_end(); ++i) {
+ char buf[64];
+
+ XMLNode *pointnode = new XMLNode ("point");
+
+ snprintf (buf, sizeof (buf), "%" PRIu32, (jack_nframes_t) floor ((*i)->when));
+ pointnode->add_property ("x", buf);
+ snprintf (buf, sizeof (buf), "%f", (*i)->value);
+ pointnode->add_property ("y", buf);
+
+ node.add_child_nocopy (*pointnode);
+ }
+}
+
+void
+AutomationList::load_state (const XMLNode& node)
+{
+ const XMLNodeList& elist = node.children();
+ XMLNodeConstIterator i;
+ XMLProperty* prop;
+ jack_nframes_t x;
+ double y;
+
+ clear ();
+
+ for (i = elist.begin(); i != elist.end(); ++i) {
+
+ if ((prop = (*i)->property ("x")) == 0) {
+ error << _("automation list: no x-coordinate stored for control point (point ignored)") << endmsg;
+ continue;
+ }
+ x = atoi (prop->value().c_str());
+
+ if ((prop = (*i)->property ("y")) == 0) {
+ error << _("automation list: no y-coordinate stored for control point (point ignored)") << endmsg;
+ continue;
+ }
+ y = atof (prop->value().c_str());
+
+ add (x, y);
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-10 10:40:24 +0000