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 <sstream>
#include <algorithm>
#include <sigc++/bind.h>
#include <ardour/automation_event.h>
+#include <pbd/stacktrace.h>
#include "i18n.h"
sigc::signal<void,AutomationList *> AutomationList::AutomationListCreated;
+static bool sort_events_by_time (ControlEvent* a, ControlEvent* b)
+{
+ return a->when < b->when;
+}
+
#if 0
static void dumpit (const AutomationList& al, string prefix = "")
{
}
#endif
-AutomationList::AutomationList (double defval, bool with_state)
+AutomationList::AutomationList (double defval)
{
- _frozen = false;
+ _frozen = 0;
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"
rt_insertion_point = events.end();
lookup_cache.left = -1;
lookup_cache.range.first = events.end();
-
- if (!no_state) {
- save_state (_("initial"));
- }
+ sort_pending = false;
AutomationListCreated(this);
}
AutomationList::AutomationList (const AutomationList& other)
{
- _frozen = false;
+ _frozen = 0;
changed_when_thawed = false;
_style = other._style;
min_yval = other.min_yval;
_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();
+ sort_pending = false;
for (const_iterator i = other.events.begin(); i != other.events.end(); ++i) {
/* we have to use other point_factory() because
AutomationList::AutomationList (const AutomationList& other, double start, double end)
{
- _frozen = false;
+ _frozen = 0;
changed_when_thawed = false;
_style = other._style;
min_yval = other.min_yval;
_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();
+ sort_pending = false;
/* now grab the relevant points, and shift them back if necessary */
delete section;
mark_dirty ();
+
AutomationListCreated(this);
}
-AutomationList::~AutomationList()
+AutomationList::AutomationList (const XMLNode& node)
{
- std::set<ControlEvent*> all_events;
- AutomationList::State* asp;
+ _frozen = 0;
+ changed_when_thawed = false;
+ _touching = false;
+ min_yval = FLT_MIN;
+ max_yval = FLT_MAX;
+ max_xval = 0; // means "no limit"
+ _dirty = false;
+ _state = Off;
+ _style = Absolute;
+ rt_insertion_point = events.end();
+ lookup_cache.left = -1;
+ lookup_cache.range.first = events.end();
+ sort_pending = false;
+
+ set_state (node);
- GoingAway ();
+ AutomationListCreated(this);
+}
+AutomationList::~AutomationList()
+{
+ GoingAway ();
+
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);
+ delete (*x);
}
}
if (_frozen) {
changed_when_thawed = true;
} else {
- StateChanged (Change (0));
+ StateChanged ();
}
}
{
Glib::Mutex::Lock lm (lock);
events.clear ();
- if (!no_state) {
- save_state (_("cleared"));
- }
mark_dirty ();
}
(*i)->when = floor ((*i)->when * factor);
}
- save_state ("x-scaled");
mark_dirty ();
}
maybe_signal_changed ();
}
+void
+AutomationList::fast_simple_add (double when, double value)
+{
+ /* to be used only for loading pre-sorted data from saved state */
+ events.insert (events.end(), point_factory (when, value));
+}
+
#undef last_rt_insertion_point
void
-AutomationList::add (double when, double value, bool for_loading)
+AutomationList::add (double when, double value)
{
- /* this is for graphical editing and loading data from storage */
+ /* this is for graphical editing */
{
Glib::Mutex::Lock lm (lock);
}
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 ();
- }
+ maybe_signal_changed ();
}
void
Glib::Mutex::Lock lm (lock);
events.erase (i);
reposition_for_rt_add (0);
- if (!no_state) {
- save_state (_("removed event"));
- }
mark_dirty ();
}
maybe_signal_changed ();
Glib::Mutex::Lock lm (lock);
events.erase (start, end);
reposition_for_rt_add (0);
- if (!no_state) {
- save_state (_("removed multiple events"));
- }
mark_dirty ();
}
maybe_signal_changed ();
reset = true;
- if (!no_state) {
- save_state (_("removed range"));
- }
-
mark_dirty ();
}
}
events.erase (s, e);
reposition_for_rt_add (0);
erased = true;
- if (!no_state) {
- save_state (_("removed range"));
- }
mark_dirty ();
}
while (start != end) {
(*start)->when += xdelta;
(*start)->value += ydelta;
+ if (isnan ((*start)->value)) {
+ abort ();
+ }
++start;
}
- if (!no_state) {
- save_state (_("event range adjusted"));
+ if (!_frozen) {
+ events.sort (sort_events_by_time);
+ } else {
+ sort_pending = true;
}
mark_dirty ();
maybe_signal_changed ();
}
+void
+AutomationList::slide (iterator before, double distance)
+{
+ {
+ Glib::Mutex::Lock lm (lock);
+
+ if (before == events.end()) {
+ return;
+ }
+
+ while (before != events.end()) {
+ (*before)->when += distance;
+ ++before;
+ }
+ }
+
+ maybe_signal_changed ();
+}
+
void
AutomationList::modify (iterator iter, double when, double val)
{
{
Glib::Mutex::Lock lm (lock);
+
(*iter)->when = when;
(*iter)->value = val;
- if (!no_state) {
- save_state (_("event adjusted"));
+
+ if (isnan (val)) {
+ abort ();
+ }
+
+ if (!_frozen) {
+ events.sort (sort_events_by_time);
+ } else {
+ sort_pending = true;
}
mark_dirty ();
}
-
+
maybe_signal_changed ();
}
void
AutomationList::freeze ()
{
- _frozen = true;
+ _frozen++;
}
void
AutomationList::thaw ()
{
- _frozen = false;
- if (changed_when_thawed) {
- StateChanged(Change(0)); /* EMIT SIGNAL */
+ if (_frozen == 0) {
+ PBD::stacktrace (cerr);
+ fatal << string_compose (_("programming error: %1"), X_("AutomationList::thaw() called while not frozen")) << endmsg;
+ /*NOTREACHED*/
}
-}
-
-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));
+ if (--_frozen > 0) {
+ return;
}
- return state;
-}
-
-Change
-AutomationList::restore_state (StateManager::State& state)
-{
{
Glib::Mutex::Lock lm (lock);
- 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));
+ if (sort_pending) {
+ events.sort (sort_events_by_time);
+ sort_pending = false;
}
}
- return Change (0);
-}
-
-UndoAction
-AutomationList::get_memento () const
-{
- return sigc::bind (mem_fun (*(const_cast<AutomationList*> (this)), &StateManager::use_state), _current_state_id);
+ if (changed_when_thawed) {
+ StateChanged(); /* EMIT SIGNAL */
+ }
}
void
double last_val;
if (events.empty()) {
- fatal << _("programming error:")
- << "AutomationList::truncate_end() called on an empty list"
- << endmsg;
- /*NOTREACHED*/
return;
}
if (changed) {
reposition_for_rt_add (0);
- if (!no_state) {
- save_state (_("cut/copy/clear"));
- }
}
mark_dirty ();
x = tmp;
}
-
- if (!no_state) {
- save_state (_("copy"));
- }
}
return nal;
}
reposition_for_rt_add (0);
-
- if (!no_state) {
- save_state (_("paste"));
- }
-
mark_dirty ();
}
return new ControlEvent (other);
}
-void
-AutomationList::store_state (XMLNode& node) const
+XMLNode&
+AutomationList::get_state ()
{
+ return state (true);
+}
+
+XMLNode&
+AutomationList::state (bool full)
+{
+ XMLNode* root = new XMLNode (X_("AutomationList"));
+ char buf[64];
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), "%.12g", (*i)->value);
- pointnode->add_property ("y", buf);
+ root->add_property ("id", _id.to_s());
+
+ snprintf (buf, sizeof (buf), "%.12g", default_value);
+ root->add_property ("default", buf);
+ snprintf (buf, sizeof (buf), "%.12g", min_yval);
+ root->add_property ("min_yval", buf);
+ snprintf (buf, sizeof (buf), "%.12g", max_yval);
+ root->add_property ("max_yval", buf);
+ snprintf (buf, sizeof (buf), "%.12g", max_xval);
+ root->add_property ("max_xval", buf);
- node.add_child_nocopy (*pointnode);
+ if (full) {
+ root->add_property ("state", auto_state_to_string (_state));
+ } else {
+ /* never save anything but Off for automation state to a template */
+ root->add_property ("state", auto_state_to_string (Off));
+ }
+
+ root->add_property ("style", auto_style_to_string (_style));
+
+ if (!events.empty()) {
+ root->add_child_nocopy (serialize_events());
}
+
+ return *root;
}
-void
-AutomationList::load_state (const XMLNode& node)
+XMLNode&
+AutomationList::serialize_events ()
{
- const XMLNodeList& elist = node.children();
- XMLNodeConstIterator i;
- XMLProperty* prop;
- jack_nframes_t x;
- double y;
+ XMLNode* node = new XMLNode (X_("events"));
+ stringstream str;
+
+ for (iterator xx = events.begin(); xx != events.end(); ++xx) {
+ str << (double) (*xx)->when;
+ str << ' ';
+ str <<(double) (*xx)->value;
+ str << '\n';
+ }
+
+ /* XML is a bit wierd */
+
+ XMLNode* content_node = new XMLNode (X_("foo")); /* it gets renamed by libxml when we set content */
+ content_node->set_content (str.str());
+
+ node->add_child_nocopy (*content_node);
+ return *node;
+}
+
+int
+AutomationList::deserialize_events (const XMLNode& node)
+{
+ if (node.children().empty()) {
+ return -1;
+ }
+
+ XMLNode* content_node = node.children().front();
+
+ if (content_node->content().empty()) {
+ return -1;
+ }
+
+ freeze ();
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;
+ stringstream str (content_node->content());
+
+ double x;
+ double y;
+ bool ok = true;
+
+ while (str) {
+ str >> x;
+ if (!str) {
+ break;
}
- 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;
+ str >> y;
+ if (!str) {
+ ok = false;
+ break;
}
- y = atof (prop->value().c_str());
-
- add (x, y);
+ fast_simple_add (x, y);
+ }
+
+ if (!ok) {
+ clear ();
+ error << _("automation list: cannot load coordinates from XML, all points ignored") << endmsg;
+ } else {
+ mark_dirty ();
+ reposition_for_rt_add (0);
+ maybe_signal_changed ();
}
-}
-XMLNode &AutomationList::get_state ()
-{
- XMLNode *node = new XMLNode("AutomationList");
- store_state(*node);
- return *node;
+ thaw ();
+
+ return 0;
}
-int AutomationList::set_state(const XMLNode &s)
+int
+AutomationList::set_state (const XMLNode& node)
{
- load_state(s);
- return 0;
+ XMLNodeList nlist = node.children();
+ XMLNode* nsos;
+ XMLNodeIterator niter;
+ const XMLProperty* prop;
+
+ if (node.name() == X_("events")) {
+ /* partial state setting*/
+ return deserialize_events (node);
+ }
+
+ if (node.name() == X_("Envelope") || node.name() == X_("FadeOut") || node.name() == X_("FadeIn")) {
+
+ if ((nsos = node.child (X_("AutomationList")))) {
+ /* new school in old school clothing */
+ return set_state (*nsos);
+ }
+
+ /* old school */
+
+ const XMLNodeList& elist = node.children();
+ XMLNodeConstIterator i;
+ XMLProperty* prop;
+ jack_nframes_t x;
+ double y;
+
+ freeze ();
+ 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());
+
+ fast_simple_add (x, y);
+ }
+
+ thaw ();
+
+ return 0;
+ }
+
+ if (node.name() != X_("AutomationList") ) {
+ error << string_compose (_("AutomationList: passed XML node called %1, not \"AutomationList\" - ignored"), node.name()) << endmsg;
+ return -1;
+ }
+
+ if ((prop = node.property ("id")) != 0) {
+ _id = prop->value ();
+ /* update session AL list */
+ AutomationListCreated(this);
+ }
+
+ if ((prop = node.property (X_("default"))) != 0){
+ default_value = atof (prop->value());
+ } else {
+ default_value = 0.0;
+ }
+
+ if ((prop = node.property (X_("style"))) != 0) {
+ _style = string_to_auto_style (prop->value());
+ } else {
+ _style = Absolute;
+ }
+
+ if ((prop = node.property (X_("state"))) != 0) {
+ _state = string_to_auto_state (prop->value());
+ } else {
+ _state = Off;
+ }
+
+ if ((prop = node.property (X_("min_yval"))) != 0) {
+ min_yval = atof (prop->value ());
+ } else {
+ min_yval = FLT_MIN;
+ }
+
+ if ((prop = node.property (X_("max_yval"))) != 0) {
+ max_yval = atof (prop->value ());
+ } else {
+ max_yval = FLT_MAX;
+ }
+
+ if ((prop = node.property (X_("max_xval"))) != 0) {
+ max_xval = atof (prop->value ());
+ } else {
+ max_xval = 0; // means "no limit ;
+ }
+
+ for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+ if ((*niter)->name() == X_("events")) {
+ deserialize_events (*(*niter));
+ }
+ }
+
+ return 0;
}
projects / ardour.git / blobdiff