Fix crash when going from >2 outputs (2D panner) to <= 2 outputs.
[ardour.git] / gtk2_ardour / region_view.cc
index fc0253a27239fec64d48eef342461e192841b402..770057687a05d4fc69e08cb3e02ebc42257d5639 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2001-2006 Paul Davis 
+    Copyright (C) 2001-2006 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
 #include <gtkmm.h>
 
 #include <gtkmm2ext/gtk_ui.h>
-#include <pbd/stacktrace.h>
+#include "pbd/stacktrace.h"
 
-#include <ardour/playlist.h>
-#include <ardour/audioregion.h>
-#include <ardour/audiosource.h>
-#include <ardour/audio_diskstream.h>
+#include "ardour/playlist.h"
+#include "ardour/audioregion.h"
+#include "ardour/audiosource.h"
+#include "ardour/audio_diskstream.h"
+#include "ardour/session.h"
 
 #include "ardour_ui.h"
 #include "streamview.h"
@@ -49,7 +50,7 @@
 
 #include "i18n.h"
 
-using namespace sigc;
+using namespace std;
 using namespace ARDOUR;
 using namespace PBD;
 using namespace Editing;
@@ -57,33 +58,35 @@ using namespace ArdourCanvas;
 
 static const int32_t sync_mark_width = 9;
 
-sigc::signal<void,RegionView*> RegionView::RegionViewGoingAway;
+PBD::Signal1<void,RegionView*> RegionView::RegionViewGoingAway;
 
-RegionView::RegionView (ArdourCanvas::Group*              parent, 
+RegionView::RegionView (ArdourCanvas::Group*              parent,
                         TimeAxisView&                     tv,
                         boost::shared_ptr<ARDOUR::Region> r,
                         double                            spu,
-                        Gdk::Color&                       basic_color)
+                        Gdk::Color const &                basic_color)
        : TimeAxisViewItem (r->name(), *parent, tv, spu, basic_color, r->position(), r->length(), false,
-
                            TimeAxisViewItem::Visibility (TimeAxisViewItem::ShowNameText|
-                                                         TimeAxisViewItem::ShowNameHighlight|
-                                                         TimeAxisViewItem::ShowFrame))
-         , _region (r)
-         , sync_mark(0)
-         , sync_line(0)
-         , editor(0)
-         , current_visible_sync_position(0.0)
-         , valid(false)
-         , _enable_display(false)
-         , _pixel_width(1.0)
-         , in_destructor(false)
-         , wait_for_data(false)
+                                                         TimeAxisViewItem::ShowNameHighlight| TimeAxisViewItem::ShowFrame))
+       , _region (r)
+       , sync_mark(0)
+       , sync_line(0)
+       , editor(0)
+       , current_visible_sync_position(0.0)
+       , valid(false)
+       , _enable_display(false)
+       , _pixel_width(1.0)
+       , in_destructor(false)
+       , wait_for_data(false)
+       , _time_converter(r->session().tempo_map(), r->position())
 {
+       cerr << "RV " << this << " has ref on region " << _region->name() << endl;
 }
 
 RegionView::RegionView (const RegionView& other)
-       : TimeAxisViewItem (other)
+       : sigc::trackable(other)
+       , TimeAxisViewItem (other)
+       , _time_converter(other._time_converter)
 {
        /* derived concrete type will call init () */
 
@@ -92,12 +95,15 @@ RegionView::RegionView (const RegionView& other)
        valid = false;
        _pixel_width = other._pixel_width;
        _height = other._height;
+       cerr << "RV " << this << " has ref on region " << _region->name() << endl;
 }
 
 RegionView::RegionView (const RegionView& other, boost::shared_ptr<Region> other_region)
-       : TimeAxisViewItem (other)
+       : sigc::trackable(other)
+       , TimeAxisViewItem (other)
+       , _time_converter(other._time_converter)
 {
-       /* this is a pseudo-copy constructor used when dragging regions 
+       /* this is a pseudo-copy constructor used when dragging regions
           around on the canvas.
        */
 
@@ -108,13 +114,14 @@ RegionView::RegionView (const RegionView& other, boost::shared_ptr<Region> other
        valid = false;
        _pixel_width = other._pixel_width;
        _height = other._height;
+       cerr << "RV " << this << " has ref on region " << _region->name() << endl;
 }
 
-RegionView::RegionView (ArdourCanvas::Group*         parent, 
+RegionView::RegionView (ArdourCanvas::Group*         parent,
                         TimeAxisView&                tv,
                         boost::shared_ptr<ARDOUR::Region> r,
                         double                       spu,
-                        Gdk::Color&                  basic_color,
+                        Gdk::Color const &           basic_color,
                                                bool recording,
                         TimeAxisViewItem::Visibility visibility)
        : TimeAxisViewItem (r->name(), *parent, tv, spu, basic_color, r->position(), r->length(), recording, visibility)
@@ -128,11 +135,13 @@ RegionView::RegionView (ArdourCanvas::Group*         parent,
        , _pixel_width(1.0)
        , in_destructor(false)
        , wait_for_data(false)
+       , _time_converter(r->session().tempo_map(), r->position())
 {
+       cerr << "RV " << this << " has ref on region " << _region->name() << endl;
 }
 
 void
-RegionView::init (Gdk::Color& basic_color, bool wfd)
+RegionView::init (Gdk::Color const & basic_color, bool wfd)
 {
        editor        = 0;
        valid         = true;
@@ -148,11 +157,20 @@ RegionView::init (Gdk::Color& basic_color, bool wfd)
 
        if (name_highlight) {
                name_highlight->set_data ("regionview", this);
-               name_highlight->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_region_view_name_highlight_event), name_highlight, this));
+               name_highlight->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_region_view_name_highlight_event), name_highlight, this));
+
+               frame_handle_start->set_data ("regionview", this);
+               frame_handle_start->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_frame_handle_event), frame_handle_start, this));
+
+               frame_handle_end->set_data ("regionview", this);
+               frame_handle_end->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_frame_handle_event), frame_handle_end, this));
+
+               frame_handle_start->raise_to_top();
+               frame_handle_end->raise_to_top();
        }
 
-       if (name_text) {
-               name_text->set_data ("regionview", this);
+       if (name_pixbuf) {
+               name_pixbuf->set_data ("regionview", this);
        }
 
        if (wfd)
@@ -160,13 +178,13 @@ RegionView::init (Gdk::Color& basic_color, bool wfd)
 
        set_height (trackview.current_height());
 
-       _region->StateChanged.connect (mem_fun(*this, &RegionView::region_changed));
-
-       group->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_region_view_event), group, this));
+       _region->StateChanged.connect (*this, ui_bind (&RegionView::region_changed, this, _1), gui_context());
+       
+       group->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_region_view_event), group, this));
 
        set_colors ();
 
-       ColorsChanged.connect (mem_fun (*this, &RegionView::color_handler));
+       ColorsChanged.connect (sigc::mem_fun (*this, &RegionView::color_handler));
 
        /* XXX sync mark drag? */
 }
@@ -179,7 +197,7 @@ RegionView::~RegionView ()
                delete *g;
        }
 
-       for (std::list<ArdourCanvas::SimpleRect*>::iterator i = _coverage_frames.begin (); i != _coverage_frames.end (); ++i) {
+       for (list<ArdourCanvas::SimpleRect*>::iterator i = _coverage_frames.begin (); i != _coverage_frames.end (); ++i) {
                delete *i;
        }
 
@@ -187,7 +205,7 @@ RegionView::~RegionView ()
 }
 
 gint
-RegionView::_lock_toggle (ArdourCanvas::Item* item, GdkEvent* ev, void* arg)
+RegionView::_lock_toggle (ArdourCanvas::Item*, GdkEvent* ev, void* arg)
 {
        switch (ev->type) {
        case GDK_BUTTON_RELEASE:
@@ -196,7 +214,7 @@ RegionView::_lock_toggle (ArdourCanvas::Item* item, GdkEvent* ev, void* arg)
                break;
        default:
                break;
-       } 
+       }
        return FALSE;
 }
 
@@ -209,7 +227,7 @@ RegionView::lock_toggle ()
 void
 RegionView::region_changed (Change what_changed)
 {
-       ENSURE_GUI_THREAD (bind (mem_fun(*this, &RegionView::region_changed), what_changed));
+       ENSURE_GUI_THREAD (*this, &RegionView::region_changed, what_changed)
 
        if (what_changed & BoundsChanged) {
                region_resized (what_changed);
@@ -227,15 +245,6 @@ RegionView::region_changed (Change what_changed)
        if (what_changed & Region::SyncOffsetChanged) {
                region_sync_changed ();
        }
-       /* 
-          this should not be needed now that only playlist can change layering
-       */
-       /*
-       if (what_changed & Region::LayerChanged) {
-               // this is handled by the playlist i believe
-               //region_layered ();
-       }
-       */
        if (what_changed & Region::LockChanged) {
                region_locked ();
        }
@@ -255,6 +264,7 @@ RegionView::region_resized (Change what_changed)
 
        if (what_changed & ARDOUR::PositionChanged) {
                set_position (_region->position(), 0);
+               _time_converter.set_origin(_region->position());
        }
 
        if (what_changed & Change (StartChanged|LengthChanged)) {
@@ -262,7 +272,7 @@ RegionView::region_resized (Change what_changed)
                set_duration (_region->length(), 0);
 
                unit_length = _region->length() / samples_per_unit;
-               
+
                for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 
                        (*i)->set_duration (unit_length);
@@ -276,21 +286,8 @@ RegionView::reset_width_dependent_items (double pixel_width)
 {
        TimeAxisViewItem::reset_width_dependent_items (pixel_width);
        _pixel_width = pixel_width;
-
-       /*for (AutomationChildren::iterator i = _automation_children.begin();
-                       i != _automation_children.end(); ++i) {
-               i->second->reset_width_dependent_items(pixel_width);
-       }*/
 }
 
-void
-RegionView::region_layered ()
-{
-       RouteTimeAxisView *rtv = dynamic_cast<RouteTimeAxisView*>(&get_time_axis_view());
-       assert(rtv);
-       //rtv->view()->region_layered (this);
-}
-       
 void
 RegionView::region_muted ()
 {
@@ -317,7 +314,7 @@ RegionView::lower_to_bottom ()
 }
 
 bool
-RegionView::set_position (nframes_t pos, void* src, double* ignored)
+RegionView::set_position (nframes64_t pos, void* /*src*/, double* ignored)
 {
        double delta;
        bool ret;
@@ -334,11 +331,6 @@ RegionView::set_position (nframes_t pos, void* src, double* ignored)
                for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
                        (*i)->group->move (delta, 0.0);
                }
-       
-               for (AutomationChildren::iterator i = _automation_children.begin();
-                               i != _automation_children.end(); ++i) {
-                       i->second->get_canvas_group()->move(delta, 0.0);
-               }
        }
 
        return ret;
@@ -358,12 +350,12 @@ RegionView::set_samples_per_unit (gdouble spu)
 }
 
 bool
-RegionView::set_duration (nframes_t frames, void *src)
+RegionView::set_duration (nframes64_t frames, void *src)
 {
        if (!TimeAxisViewItem::set_duration (frames, src)) {
                return false;
        }
-       
+
        for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
                (*i)->set_duration (_region->length() / samples_per_unit);
        }
@@ -371,17 +363,11 @@ RegionView::set_duration (nframes_t frames, void *src)
        return true;
 }
 
-void
-RegionView::compute_colors (Gdk::Color& basic_color)
-{
-       TimeAxisViewItem::compute_colors (basic_color);
-}
-
 void
 RegionView::set_colors ()
 {
        TimeAxisViewItem::set_colors ();
-       
+
        if (sync_mark) {
                sync_mark->property_fill_color_rgba() = fill_color;
                sync_line->property_fill_color_rgba() = fill_color;
@@ -408,7 +394,7 @@ RegionView::fake_set_opaque (bool yn)
        } else {
                fill_opacity = 60;
        }
-       
+
        set_frame_color ();
 }
 
@@ -476,8 +462,8 @@ RegionView::region_sync_changed ()
        if (!sync_mark) {
 
                /* points set below */
-               
-               sync_mark =  new ArdourCanvas::Polygon (*group);
+
+               sync_mark = new ArdourCanvas::Polygon (*group);
                sync_mark->property_fill_color_rgba() = fill_color;
 
                sync_line = new ArdourCanvas::Line (*group);
@@ -492,13 +478,13 @@ RegionView::region_sync_changed ()
        if (sync_offset == 0) {
 
                /* no sync mark - its the start of the region */
-               
+
                sync_mark->hide();
                sync_line->hide ();
 
        } else {
 
-               if ((sync_dir < 0) || ((sync_dir > 0) && (sync_offset > _region->length()))) { 
+               if ((sync_dir < 0) || ((sync_dir > 0) && (sync_offset > _region->length()))) {
 
                        /* no sync mark - its out of the bounds of the region */
 
@@ -510,14 +496,14 @@ RegionView::region_sync_changed ()
                        /* lets do it */
 
                        Points points;
-                       
+
                        //points = sync_mark->property_points().get_value();
-                       
+
                        double offset = sync_offset / samples_per_unit;
                        points.push_back (Gnome::Art::Point (offset - ((sync_mark_width-1)/2), 1));
                        points.push_back (Gnome::Art::Point (offset + ((sync_mark_width-1)/2), 1));
                        points.push_back (Gnome::Art::Point (offset, sync_mark_width - 1));
-                       points.push_back (Gnome::Art::Point (offset - ((sync_mark_width-1)/2), 1));     
+                       points.push_back (Gnome::Art::Point (offset - ((sync_mark_width-1)/2), 1));
                        sync_mark->property_points().set_value (points);
                        sync_mark->show ();
 
@@ -545,11 +531,6 @@ RegionView::move (double x_delta, double y_delta)
        for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
                (*i)->group->move (x_delta, 0.0);
        }
-               
-       for (AutomationChildren::iterator i = _automation_children.begin();
-                       i != _automation_children.end(); ++i) {
-               i->second->get_canvas_group()->move(x_delta, 0.0);
-       }
 }
 
 void
@@ -600,6 +581,10 @@ RegionView::set_height (double h)
                points.push_back (Gnome::Art::Point (offset, h - NAME_HIGHLIGHT_SIZE));
                sync_line->property_points().set_value (points);
        }
+
+       for (list<ArdourCanvas::SimpleRect*>::iterator i = _coverage_frames.begin(); i != _coverage_frames.end(); ++i) {
+               (*i)->property_y2() = h + 1;
+       }
 }
 
 /** Remove old coverage frames and make new ones, if we're in a LayerDisplay mode
@@ -608,7 +593,7 @@ void
 RegionView::update_coverage_frames (LayerDisplay d)
 {
        /* remove old coverage frames */
-       for (std::list<ArdourCanvas::SimpleRect*>::iterator i = _coverage_frames.begin (); i != _coverage_frames.end (); ++i) {
+       for (list<ArdourCanvas::SimpleRect*>::iterator i = _coverage_frames.begin (); i != _coverage_frames.end (); ++i) {
                delete *i;
        }
 
@@ -633,24 +618,24 @@ RegionView::update_coverage_frames (LayerDisplay d)
 
        uint32_t const color = frame->property_fill_color_rgba ();
        uint32_t const base_alpha = UINT_RGBA_A (color);
-       
+
        while (t < end) {
 
                t++;
 
                /* is this region is on top at time t? */
-               bool const new_me = (pl->top_region_at (t) == _region);
+               bool const new_me = (pl->top_unmuted_region_at (t) == _region);
 
                /* finish off any old rect, if required */
                if (cr && me != new_me) {
-                       cr->property_x2() = trackview.editor.frame_to_pixel (t - position);
+                       cr->property_x2() = trackview.editor().frame_to_pixel (t - position);
                }
 
                /* start off any new rect, if required */
                if (cr == 0 || me != new_me) {
                        cr = new ArdourCanvas::SimpleRect (*group);
                        _coverage_frames.push_back (cr);
-                       cr->property_x1() = trackview.editor.frame_to_pixel (t - position);
+                       cr->property_x1() = trackview.editor().frame_to_pixel (t - position);
                        cr->property_y1() = 1;
                        cr->property_y2() = _height + 1;
                        cr->property_outline_pixels() = 0;
@@ -668,6 +653,9 @@ RegionView::update_coverage_frames (LayerDisplay d)
 
        if (cr) {
                /* finish off the last rectangle */
-               cr->property_x2() = trackview.editor.frame_to_pixel (end - position);
+               cr->property_x2() = trackview.editor().frame_to_pixel (end - position);
        }
+
+       frame_handle_start->raise_to_top ();
+       frame_handle_end->raise_to_top ();
 }