fix visual focus indication in IOSelector; import pays attention to audio file embedd...
[ardour.git] / libs / ardour / automation_event.cc
index 6b7f0ff0162b5312ab253bc8426b77571aad3795..a2eeebed5603e4b75f86a59796b390836aec321a 100644 (file)
@@ -22,6 +22,7 @@
 #include <climits>
 #include <float.h>
 #include <cmath>
+#include <sstream>
 #include <algorithm>
 #include <sigc++/bind.h>
 #include <ardour/automation_event.h>
@@ -46,14 +47,13 @@ static void dumpit (const AutomationList& al, string prefix = "")
 }
 #endif
 
-AutomationList::AutomationList (double defval, bool with_state)
+AutomationList::AutomationList (double defval)
 {
        _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" 
@@ -63,12 +63,6 @@ AutomationList::AutomationList (double defval, bool with_state)
        lookup_cache.left = -1;
        lookup_cache.range.first = events.end();
 
-       if (!no_state) {
-#ifdef STATE_MANAGER
-               save_state (_("initial"));
-#endif
-       }
-
         AutomationListCreated(this);
 }
 
@@ -85,7 +79,6 @@ AutomationList::AutomationList (const AutomationList& other)
        _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();
 
@@ -113,7 +106,6 @@ AutomationList::AutomationList (const AutomationList& other, double start, doubl
        _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();
 
@@ -130,35 +122,37 @@ AutomationList::AutomationList (const AutomationList& other, double start, doubl
        delete section;
 
        mark_dirty ();
+
+        AutomationListCreated(this);
+}
+
+AutomationList::AutomationList (const XMLNode& node)
+{
+       _frozen = false;
+       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();
+       
+       set_state (node);
+
         AutomationListCreated(this);
 }
 
 AutomationList::~AutomationList()
 {
        GoingAway ();
-
+       
        for (AutomationEventList::iterator x = events.begin(); x != events.end(); ++x) {
                delete (*x);
        }
-
-#ifdef STATE_MANAGER
-       std::set<ControlEvent*> all_events;
-       AutomationList::State* asp;
-
-       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);
-       }
-#endif
 }
 
 bool
@@ -240,11 +234,6 @@ AutomationList::clear ()
        {
                Glib::Mutex::Lock lm (lock);
                events.clear ();
-               if (!no_state) {
-#ifdef STATE_MANAGER
-                       save_state (_("cleared"));
-#endif
-               }
                mark_dirty ();
        }
 
@@ -276,9 +265,6 @@ void AutomationList::_x_scale (double factor)
                (*i)->when = floor ((*i)->when * factor);
        }
 
-#ifdef STATE_MANAGER
-       save_state ("x-scaled");
-#endif
        mark_dirty ();
 }
 
@@ -378,12 +364,19 @@ AutomationList::rt_add (double when, double value)
        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);
@@ -415,17 +408,9 @@ AutomationList::add (double when, double value, bool for_loading)
                } 
 
                mark_dirty ();
-
-               if (!no_state && !for_loading) {
-#ifdef STATE_MANAGER
-                       save_state (_("added event"));
-#endif
-               }
        }
 
-       if (!for_loading) {
-               maybe_signal_changed ();
-       }
+       maybe_signal_changed ();
 }
 
 void
@@ -435,11 +420,6 @@ AutomationList::erase (AutomationList::iterator i)
                Glib::Mutex::Lock lm (lock);
                events.erase (i);
                reposition_for_rt_add (0);
-               if (!no_state) {
-#ifdef STATE_MANAGER
-                       save_state (_("removed event"));
-#endif
-               }
                mark_dirty ();
        }
        maybe_signal_changed ();
@@ -452,11 +432,6 @@ AutomationList::erase (AutomationList::iterator start, AutomationList::iterator
                Glib::Mutex::Lock lm (lock);
                events.erase (start, end);
                reposition_for_rt_add (0);
-               if (!no_state) {
-#ifdef STATE_MANAGER
-                       save_state (_("removed multiple events"));
-#endif
-               }
                mark_dirty ();
        }
        maybe_signal_changed ();
@@ -485,12 +460,6 @@ AutomationList::reset_range (double start, double endt)
                        
                        reset = true;
 
-                       if (!no_state) {
-#ifdef STATE_MANAGER
-                               save_state (_("removed range"));
-#endif
-                       }
-
                        mark_dirty ();
                }
        }
@@ -518,11 +487,6 @@ AutomationList::erase_range (double start, double endt)
                        events.erase (s, e);
                        reposition_for_rt_add (0);
                        erased = true;
-                       if (!no_state) {
-#ifdef STATE_MANAGER
-                               save_state (_("removed range"));
-#endif
-                       }
                        mark_dirty ();
                }
                
@@ -550,12 +514,6 @@ AutomationList::move_range (iterator start, iterator end, double xdelta, double
                        ++start;
                }
 
-               if (!no_state) {
-#ifdef STATE_MANAGER
-                       save_state (_("event range adjusted"));
-#endif
-               }
-
                mark_dirty ();
        }
 
@@ -574,12 +532,6 @@ AutomationList::modify (iterator iter, double when, double val)
                Glib::Mutex::Lock lm (lock);
                (*iter)->when = when;
                (*iter)->value = val;
-               if (!no_state) {
-#ifdef STATE_MANAGER
-                       save_state (_("event adjusted"));
-#endif
-               }
-
                mark_dirty ();
        }
        
@@ -635,42 +587,6 @@ AutomationList::thaw ()
        }
 }
 
-#ifdef STATE_MANAGER
-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) 
-{
-       {
-               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));
-               }
-       }
-
-       return Change (0);
-}
-
-UndoAction
-AutomationList::get_memento () const
-{
-  return sigc::bind (mem_fun (*(const_cast<AutomationList*> (this)), &StateManager::use_state), _current_state_id);
-}
-#endif
-
 void
 AutomationList::set_max_xval (double x)
 {
@@ -694,10 +610,6 @@ AutomationList::truncate_end (double last_coordinate)
                double last_val;
 
                if (events.empty()) {
-                       fatal << _("programming error:")
-                             << "AutomationList::truncate_end() called on an empty list"
-                             << endmsg;
-                       /*NOTREACHED*/
                        return;
                }
 
@@ -1107,11 +1019,6 @@ AutomationList::cut_copy_clear (double start, double end, int op)
 
                if (changed) {
                        reposition_for_rt_add (0);
-                       if (!no_state) {
-#ifdef STATE_MANAGER
-                               save_state (_("cut/copy/clear"));
-#endif
-                       }
                }
 
                mark_dirty ();
@@ -1141,12 +1048,6 @@ AutomationList::copy (iterator start, iterator end)
                        
                        x = tmp;
                }
-
-               if (!no_state) {
-#ifdef STATE_MANAGER
-                       save_state (_("copy"));
-#endif
-               }
        }
 
        return nal;
@@ -1211,13 +1112,6 @@ AutomationList::paste (AutomationList& alist, double pos, float times)
                }
 
                reposition_for_rt_add (0);
-
-               if (!no_state) {
-#ifdef STATE_MANAGER
-                       save_state (_("paste"));
-#endif
-               }
-
                mark_dirty ();
        }
 
@@ -1237,68 +1131,214 @@ AutomationList::point_factory (const ControlEvent& other) const
        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, (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());
 
-               node.add_child_nocopy (*pointnode);
+       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);
+
+       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;
-       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';
+       }
 
-       freeze ();
+       /* 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 ();
        }
 
        thaw ();
+       return 0;
 }
 
-XMLNode &AutomationList::get_state ()
+int
+AutomationList::set_state (const XMLNode& node)
 {
-    XMLNode *node = new XMLNode("AutomationList");
-    store_state(*node);
-    return *node;
-}
+       XMLNodeList nlist = node.children();
+       XMLNodeIterator niter;
+       const XMLProperty* prop;
 
-int AutomationList::set_state(const XMLNode &s)
-{
-    load_state(s);
-    return 0;
+       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")) {
+
+               /* old school */
+
+               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);
+               }
+               
+               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;
 }