Merge branch 'export-dialog' into cairocanvas
[ardour.git] / gtk2_ardour / automation_streamview.cc
index 3eeb3bd6ebb3d7c5f6949d7b7f36c377df2d9430..f54b95cbc5d40f5c09bdcd941749f7190d10542a 100644 (file)
 
 #include <gtkmm.h>
 
-#include <gtkmm2ext/gtk_ui.h>
+#include "gtkmm2ext/gtk_ui.h"
+
+#include "pbd/compose.h"
+#include "canvas/debug.h"
 
-#include "ardour/midi_playlist.h"
 #include "ardour/midi_region.h"
 #include "ardour/midi_source.h"
-#include "ardour/midi_diskstream.h"
-#include "ardour/midi_track.h"
-#include "ardour/smf_source.h"
-#include "ardour/region_factory.h"
 
 #include "automation_streamview.h"
 #include "region_view.h"
 #include "automation_region_view.h"
 #include "automation_time_axis.h"
-#include "canvas-simplerect.h"
 #include "region_selection.h"
 #include "selection.h"
 #include "public_editor.h"
@@ -44,8 +41,6 @@
 #include "rgb_macros.h"
 #include "gui_thread.h"
 #include "utils.h"
-#include "simplerect.h"
-#include "simpleline.h"
 
 using namespace std;
 using namespace ARDOUR;
@@ -54,13 +49,15 @@ using namespace Editing;
 
 AutomationStreamView::AutomationStreamView (AutomationTimeAxisView& tv)
        : StreamView (*dynamic_cast<RouteTimeAxisView*>(tv.get_parent()),
-                     new ArdourCanvas::Group(*tv.canvas_background()),
-                     new ArdourCanvas::Group(*tv.canvas_display()))
-       , _controller(tv.controller())
+                     tv.canvas_display())
        , _automation_view(tv)
+       , _pending_automation_state (Off)
 {
-       //canvas_rect->property_fill_color_rgba() = stream_base_color;
-       canvas_rect->property_outline_color_rgba() = RGBA_BLACK;
+       CANVAS_DEBUG_NAME (_canvas_group, string_compose ("SV canvas group auto %1", tv.name()));
+       CANVAS_DEBUG_NAME (canvas_rect, string_compose ("SV canvas rectangle auto %1", tv.name()));
+
+       canvas_rect->set_fill (false);
+       canvas_rect->set_outline_color (RGBA_BLACK);
 }
 
 AutomationStreamView::~AutomationStreamView ()
@@ -69,22 +66,20 @@ AutomationStreamView::~AutomationStreamView ()
 
 
 RegionView*
-AutomationStreamView::add_region_view_internal (boost::shared_ptr<Region> region, bool wfd, bool /*recording*/)
+AutomationStreamView::add_region_view_internal (boost::shared_ptr<Region> region, bool wait_for_data, bool /*recording*/)
 {
-       if ( ! region) {
-               cerr << "No region" << endl;
-               return NULL;
-       }
+       assert (region);
 
-       if (wfd) {
+       if (wait_for_data) {
                boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
-               if (mr)
+               if (mr) {
                        mr->midi_source()->load_model();
+               }
        }
 
-       const boost::shared_ptr<AutomationControl> control
-               = boost::dynamic_pointer_cast<AutomationControl>(
-                               region->control(_controller->controllable()->parameter()));
+       const boost::shared_ptr<AutomationControl> control = boost::dynamic_pointer_cast<AutomationControl> (
+               region->control (_automation_view.parameter(), true)
+               );
 
        boost::shared_ptr<AutomationList> list;
        if (control) {
@@ -101,35 +96,44 @@ AutomationStreamView::add_region_view_internal (boost::shared_ptr<Region> region
                        /* great. we already have an AutomationRegionView for this Region. use it again. */
                        AutomationRegionView* arv = dynamic_cast<AutomationRegionView*>(*i);;
 
-                       if (arv->line())
+                       if (arv->line()) {
                                arv->line()->set_list (list);
+                       }
                        (*i)->set_valid (true);
-                       (*i)->enable_display(wfd);
+                       (*i)->enable_display (wait_for_data);
                        display_region(arv);
 
-                       return NULL;
+                       return 0;
                }
        }
 
-       region_view = new AutomationRegionView (_canvas_group, _automation_view, region,
-                       _controller->controllable()->parameter(), list,
-                       _samples_per_unit, region_color);
+       region_view = new AutomationRegionView (
+               _canvas_group, _automation_view, region,
+               _automation_view.parameter (), list,
+               _samples_per_pixel, region_color
+               );
 
        region_view->init (region_color, false);
        region_views.push_front (region_view);
 
        /* follow global waveform setting */
 
-       if (wfd) {
+       if (wait_for_data) {
                region_view->enable_display(true);
-               //region_view->midi_region()->midi_source(0)->load_model();
+               // region_view->midi_region()->midi_source(0)->load_model();
        }
 
-       display_region(region_view);
+       display_region (region_view);
 
        /* catch regionview going away */
        region->DropReferences.connect (*this, invalidator (*this), boost::bind (&AutomationStreamView::remove_region_view, this, boost::weak_ptr<Region>(region)), gui_context());
 
+       /* setup automation state for this region */
+       boost::shared_ptr<AutomationLine> line = region_view->line ();
+       if (line && line->the_list()) {
+               line->the_list()->set_automation_state (automation_state ());
+       }
+
        RegionViewAdded (region_view);
 
        return region_view;
@@ -144,11 +148,17 @@ AutomationStreamView::display_region(AutomationRegionView* region_view)
 void
 AutomationStreamView::set_automation_state (AutoState state)
 {
-       std::list<RegionView *>::iterator i;
-       for (i = region_views.begin(); i != region_views.end(); ++i) {
-               boost::shared_ptr<AutomationLine> line = ((AutomationRegionView*)(*i))->line();
-               if (line && line->the_list()) {
-                       line->the_list()->set_automation_state (state);
+       /* Setting the automation state for this view sets the state of all regions' lists to the same thing */
+
+       if (region_views.empty()) {
+               _pending_automation_state = state;
+       } else {
+               list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
+
+               for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
+                       if ((*i)->the_list()) {
+                               (*i)->the_list()->set_automation_state (state);
+                       }
                }
        }
 }
@@ -156,10 +166,8 @@ AutomationStreamView::set_automation_state (AutoState state)
 void
 AutomationStreamView::redisplay_track ()
 {
-       list<RegionView *>::iterator i, tmp;
-
        // Flag region views as invalid and disable drawing
-       for (i = region_views.begin(); i != region_views.end(); ++i) {
+       for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
                (*i)->set_valid (false);
                (*i)->enable_display(false);
        }
@@ -185,21 +193,19 @@ void
 AutomationStreamView::color_handler ()
 {
        /*if (_trackview.is_midi_track()) {
-               canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiTrackBase.get();
+               canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->get_canvasvar_MidiTrackBase();
        }
 
        if (!_trackview.is_midi_track()) {
-               canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiBusBase.get();;
+               canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->get_canvasvar_MidiBusBase();;
        }*/
 }
 
 AutoState
 AutomationStreamView::automation_state () const
 {
-       /* XXX: bit of a hack: just return the state of our first RegionView */
-
        if (region_views.empty()) {
-               return Off;
+               return _pending_automation_state;
        }
 
        boost::shared_ptr<AutomationLine> line = ((AutomationRegionView*) region_views.front())->line ();
@@ -213,16 +219,135 @@ AutomationStreamView::automation_state () const
 bool
 AutomationStreamView::has_automation () const
 {
-       list<RegionView*>::const_iterator i = region_views.begin ();
-       while (i != region_views.end()) {
-               AutomationRegionView* rv = static_cast<AutomationRegionView*> (*i);
-               if (rv->line() && rv->line()->npoints() > 0) {
+       list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
+
+       for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
+               if ((*i)->npoints() > 0) {
                        return true;
                }
-               ++i;
        }
 
        return false;
 }
 
-                       
+/** Our parent AutomationTimeAxisView calls this when the user requests a particular
+ *  InterpolationStyle; tell the AutomationLists in our regions.
+ */
+void
+AutomationStreamView::set_interpolation (AutomationList::InterpolationStyle s)
+{
+       list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
+
+       for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
+               (*i)->the_list()->set_interpolation (s);
+       }
+}
+
+AutomationList::InterpolationStyle
+AutomationStreamView::interpolation () const
+{
+       if (region_views.empty()) {
+               return AutomationList::Linear;
+       }
+
+       AutomationRegionView* v = dynamic_cast<AutomationRegionView*> (region_views.front());
+       if (v) {
+               return v->line()->the_list()->interpolation ();
+       }
+       return AutomationList::Linear;
+}
+
+/** Clear all automation displayed in this view */
+void
+AutomationStreamView::clear ()
+{
+       list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
+
+       for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
+               (*i)->clear ();
+       }
+}
+
+/** @param start Start position in session frames.
+ *  @param end End position in session frames.
+ *  @param bot Bottom position expressed as a fraction of track height where 0 is the bottom of the track.
+ *  @param top Top position expressed as a fraction of track height where 0 is the bottom of the track.
+ *  NOTE: this y system is different to that for the StreamView method that this overrides, which is a little
+ *  confusing.
+ */
+void
+AutomationStreamView::get_selectables (framepos_t start, framepos_t end, double botfrac, double topfrac, list<Selectable*>& results)
+{
+       for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
+               AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*i);
+               assert (arv);
+               arv->line()->get_selectables (start, end, botfrac, topfrac, results);
+       }
+}
+
+void
+AutomationStreamView::set_selected_points (PointSelection& ps)
+{
+       list<boost::shared_ptr<AutomationLine> > lines = get_lines ();
+
+       for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
+               (*i)->set_selected_points (ps);
+       }
+}
+
+list<boost::shared_ptr<AutomationLine> >
+AutomationStreamView::get_lines () const
+{
+       list<boost::shared_ptr<AutomationLine> > lines;
+
+       for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
+               AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*i);
+               assert (arv);
+               lines.push_back (arv->line());
+       }
+
+       return lines;
+}
+
+struct RegionPositionSorter {
+       bool operator() (RegionView* a, RegionView* b) {
+               return a->region()->position() < b->region()->position();
+       }
+};
+
+
+/** @param pos Position, in session frames.
+ *  @return AutomationLine to paste to for that position, or 0 if there is none appropriate.
+ */
+boost::shared_ptr<AutomationLine>
+AutomationStreamView::paste_line (framepos_t pos)
+{
+       /* XXX: not sure how best to pick this; for now, just use the last region which starts before pos */
+
+       if (region_views.empty()) {
+               return boost::shared_ptr<AutomationLine> ();
+       }
+
+       region_views.sort (RegionPositionSorter ());
+
+       list<RegionView*>::const_iterator prev = region_views.begin ();
+
+       for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) {
+               if ((*i)->region()->position() > pos) {
+                       break;
+               }
+               prev = i;
+       }
+
+       boost::shared_ptr<Region> r = (*prev)->region ();
+
+       /* If *prev doesn't cover pos, it's no good */
+       if (r->position() > pos || ((r->position() + r->length()) < pos)) {
+               return boost::shared_ptr<AutomationLine> ();
+       }
+
+       AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*prev);
+       assert (arv);
+
+       return arv->line ();
+}