Merge master.
[dcpomatic.git] / src / wx / timeline.cc
index 2e368e57d7b6373740efc865e895f0a0538aae79..556e6f1b3e08ca44c2108c27cd001a4cb02c2c29 100644 (file)
 #include <boost/weak_ptr.hpp>
 #include "lib/film.h"
 #include "lib/playlist.h"
+#include "lib/image_content.h"
 #include "film_editor.h"
 #include "timeline.h"
+#include "content_panel.h"
 #include "wx_util.h"
 
 using std::list;
@@ -35,7 +37,9 @@ using boost::dynamic_pointer_cast;
 using boost::bind;
 using boost::optional;
 
-/** Parent class for components of the timeline (e.g. a piece of content or an axis) */
+/** @class View
+ *  @brief Parent class for components of the timeline (e.g. a piece of content or an axis).
+ */
 class View : public boost::noncopyable
 {
 public:
@@ -64,9 +68,9 @@ public:
 protected:
        virtual void do_paint (wxGraphicsContext *) = 0;
        
-       int time_x (Time t) const
+       int time_x (DCPTime t) const
        {
-               return _timeline.tracks_position().x + t * _timeline.pixels_per_time_unit().get_value_or (0);
+               return _timeline.tracks_position().x + t.seconds() * _timeline.pixels_per_second().get_value_or (0);
        }
        
        Timeline& _timeline;
@@ -76,7 +80,9 @@ private:
 };
 
 
-/** Parent class for views of pieces of content */
+/** @class ContentView
+ *  @brief Parent class for views of pieces of content.
+ */
 class ContentView : public View
 {
 public:
@@ -101,7 +107,7 @@ public:
                return dcpomatic::Rect<int> (
                        time_x (content->position ()) - 8,
                        y_pos (_track.get()) - 8,
-                       content->length_after_trim () * _timeline.pixels_per_time_unit().get_value_or(0) + 16,
+                       content->length_after_trim().seconds() * _timeline.pixels_per_second().get_value_or(0) + 16,
                        _timeline.track_height() + 16
                        );
        }
@@ -132,7 +138,8 @@ public:
        }
 
        virtual wxString type () const = 0;
-       virtual wxColour colour () const = 0;
+       virtual wxColour background_colour () const = 0;
+       virtual wxColour foreground_colour () const = 0;
        
 private:
 
@@ -146,18 +153,16 @@ private:
                        return;
                }
 
-               Time const position = cont->position ();
-               Time const len = cont->length_after_trim ();
+               DCPTime const position = cont->position ();
+               DCPTime const len = cont->length_after_trim ();
 
-               wxColour selected (colour().Red() / 2, colour().Green() / 2, colour().Blue() / 2);
+               wxColour selected (background_colour().Red() / 2, background_colour().Green() / 2, background_colour().Blue() / 2);
 
-               gc->SetPen (*wxBLACK_PEN);
-               
-               gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 4, wxPENSTYLE_SOLID));
+               gc->SetPen (*wxThePenList->FindOrCreatePen (foreground_colour(), 4, wxPENSTYLE_SOLID));
                if (_selected) {
                        gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (selected, wxBRUSHSTYLE_SOLID));
                } else {
-                       gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (colour(), wxBRUSHSTYLE_SOLID));
+                       gc->SetBrush (*wxTheBrushList->FindOrCreateBrush (background_colour(), wxBRUSHSTYLE_SOLID));
                }
 
                wxGraphicsPath path = gc->CreatePath ();
@@ -169,14 +174,15 @@ private:
                gc->StrokePath (path);
                gc->FillPath (path);
 
-               wxString name = wxString::Format (wxT ("%s [%s]"), std_to_wx (cont->path_summary()).data(), type().data());
+               wxString name = wxString::Format (wxT ("%s [%s]"), std_to_wx (cont->summary()).data(), type().data());
                wxDouble name_width;
                wxDouble name_height;
                wxDouble name_descent;
                wxDouble name_leading;
                gc->GetTextExtent (name, &name_width, &name_height, &name_descent, &name_leading);
                
-               gc->Clip (wxRegion (time_x (position), y_pos (_track.get()), len * _timeline.pixels_per_time_unit().get_value_or(0), _timeline.track_height()));
+               gc->Clip (wxRegion (time_x (position), y_pos (_track.get()), len.seconds() * _timeline.pixels_per_second().get_value_or(0), _timeline.track_height()));
+               gc->SetFont (gc->CreateFont (*wxNORMAL_FONT, foreground_colour ()));
                gc->DrawText (name, time_x (position) + 12, y_pos (_track.get() + 1) - name_height - 4);
                gc->ResetClip ();
        }
@@ -195,7 +201,7 @@ private:
                }
 
                if (!frequent) {
-                       _timeline.setup_pixels_per_time_unit ();
+                       _timeline.setup_pixels_per_second ();
                        _timeline.Refresh ();
                }
        }
@@ -207,6 +213,9 @@ private:
        boost::signals2::scoped_connection _content_connection;
 };
 
+/** @class AudioContentView
+ *  @brief Timeline view for AudioContent.
+ */
 class AudioContentView : public ContentView
 {
 public:
@@ -220,12 +229,20 @@ private:
                return _("audio");
        }
 
-       wxColour colour () const
+       wxColour background_colour () const
        {
                return wxColour (149, 121, 232, 255);
        }
+
+       wxColour foreground_colour () const
+       {
+               return wxColour (0, 0, 0, 255);
+       }
 };
 
+/** @class AudioContentView
+ *  @brief Timeline view for VideoContent.
+ */
 class VideoContentView : public ContentView
 {
 public:
@@ -237,17 +254,62 @@ private:
 
        wxString type () const
        {
-               if (dynamic_pointer_cast<FFmpegContent> (content ())) {
-                       return _("video");
-               } else {
+               if (dynamic_pointer_cast<ImageContent> (content ()) && content()->number_of_paths() == 1) {
                        return _("still");
+               } else {
+                       return _("video");
                }
        }
 
-       wxColour colour () const
+       wxColour background_colour () const
        {
                return wxColour (242, 92, 120, 255);
        }
+
+       wxColour foreground_colour () const
+       {
+               return wxColour (0, 0, 0, 255);
+       }
+};
+
+/** @class AudioContentView
+ *  @brief Timeline view for SubtitleContent.
+ */
+class SubtitleContentView : public ContentView
+{
+public:
+       SubtitleContentView (Timeline& tl, shared_ptr<SubtitleContent> c)
+               : ContentView (tl, c)
+               , _subtitle_content (c)
+       {}
+
+private:
+       wxString type () const
+       {
+               return _("subtitles");
+       }
+
+       wxColour background_colour () const
+       {
+               shared_ptr<SubtitleContent> sc = _subtitle_content.lock ();
+               if (!sc || !sc->use_subtitles ()) {
+                       return wxColour (210, 210, 210, 128);
+               }
+               
+               return wxColour (163, 255, 154, 255);
+       }
+
+       wxColour foreground_colour () const
+       {
+               shared_ptr<SubtitleContent> sc = _subtitle_content.lock ();
+               if (!sc || !sc->use_subtitles ()) {
+                       return wxColour (180, 180, 180, 128);
+               }
+
+               return wxColour (0, 0, 0, 255);
+       }
+
+       boost::weak_ptr<SubtitleContent> _subtitle_content;
 };
 
 class TimeAxisView : public View
@@ -273,26 +335,26 @@ private:
 
        void do_paint (wxGraphicsContext* gc)
        {
-               if (!_timeline.pixels_per_time_unit()) {
+               if (!_timeline.pixels_per_second()) {
                        return;
                }
 
-               double const pptu = _timeline.pixels_per_time_unit().get ();
+               double const pps = _timeline.pixels_per_second().get ();
                
                gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 1, wxPENSTYLE_SOLID));
                
-               int mark_interval = rint (128 / (TIME_HZ * pptu));
+               double mark_interval = rint (128 / pps);
                if (mark_interval > 5) {
-                       mark_interval -= mark_interval % 5;
+                       mark_interval -= int (rint (mark_interval)) % 5;
                }
                if (mark_interval > 10) {
-                       mark_interval -= mark_interval % 10;
+                       mark_interval -= int (rint (mark_interval)) % 10;
                }
                if (mark_interval > 60) {
-                       mark_interval -= mark_interval % 60;
+                       mark_interval -= int (rint (mark_interval)) % 60;
                }
                if (mark_interval > 3600) {
-                       mark_interval -= mark_interval % 3600;
+                       mark_interval -= int (rint (mark_interval)) % 3600;
                }
                
                if (mark_interval < 1) {
@@ -304,14 +366,17 @@ private:
                path.AddLineToPoint (_timeline.width(), _y);
                gc->StrokePath (path);
 
-               Time t = 0;
-               while ((t * pptu) < _timeline.width()) {
+               gc->SetFont (gc->CreateFont (*wxNORMAL_FONT));
+               
+               /* Time in seconds */
+               DCPTime t;
+               while ((t.seconds() * pps) < _timeline.width()) {
                        wxGraphicsPath path = gc->CreatePath ();
                        path.MoveToPoint (time_x (t), _y - 4);
                        path.AddLineToPoint (time_x (t), _y + 4);
                        gc->StrokePath (path);
 
-                       int tc = t / TIME_HZ;
+                       double tc = t.seconds ();
                        int const h = tc / 3600;
                        tc -= h * 3600;
                        int const m = tc / 60;
@@ -325,12 +390,12 @@ private:
                        wxDouble str_leading;
                        gc->GetTextExtent (str, &str_width, &str_height, &str_descent, &str_leading);
                        
-                       int const tx = _timeline.x_offset() + t * pptu;
+                       int const tx = _timeline.x_offset() + t.seconds() * pps;
                        if ((tx + str_width) < _timeline.width()) {
                                gc->DrawText (str, time_x (t), _y + 16);
                        }
                        
-                       t += mark_interval * TIME_HZ;
+                       t += DCPTime::from_seconds (mark_interval);
                }
        }
 
@@ -339,9 +404,9 @@ private:
 };
 
 
-Timeline::Timeline (wxWindow* parent, FilmEditor* ed, shared_ptr<Film> film)
+Timeline::Timeline (wxWindow* parent, ContentPanel* cp, shared_ptr<Film> film)
        : wxPanel (parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxFULL_REPAINT_ON_RESIZE)
-       , _film_editor (ed)
+       , _content_panel (cp)
        , _film (film)
        , _time_axis_view (new TimeAxisView (*this, 32))
        , _tracks (0)
@@ -380,8 +445,6 @@ Timeline::paint ()
                return;
        }
 
-       gc->SetFont (gc->CreateFont (*wxNORMAL_FONT));
-
        for (ViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
                (*i)->paint (gc);
        }
@@ -411,10 +474,15 @@ Timeline::playlist_changed ()
                if (dynamic_pointer_cast<AudioContent> (*i)) {
                        _views.push_back (shared_ptr<View> (new AudioContentView (*this, *i)));
                }
+
+               shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (*i);
+               if (sc && sc->has_subtitles ()) {
+                       _views.push_back (shared_ptr<View> (new SubtitleContentView (*this, sc)));
+               }
        }
 
        assign_tracks ();
-       setup_pixels_per_time_unit ();
+       setup_pixels_per_second ();
        Refresh ();
 }
 
@@ -425,7 +493,7 @@ Timeline::playlist_content_changed (int property)
 
        if (property == ContentProperty::POSITION) {
                assign_tracks ();
-               setup_pixels_per_time_unit ();
+               setup_pixels_per_second ();
                Refresh ();
        }
 }
@@ -495,14 +563,14 @@ Timeline::tracks () const
 }
 
 void
-Timeline::setup_pixels_per_time_unit ()
+Timeline::setup_pixels_per_second ()
 {
        shared_ptr<const Film> film = _film.lock ();
-       if (!film || film->length() == 0) {
+       if (!film || film->length() == DCPTime ()) {
                return;
        }
 
-       _pixels_per_time_unit = static_cast<double>(width() - x_offset() * 2) / film->length ();
+       _pixels_per_second = static_cast<double>(width() - x_offset() * 2) / film->length().seconds ();
 }
 
 shared_ptr<View>
@@ -545,7 +613,7 @@ Timeline::left_down (wxMouseEvent& ev)
                }
                
                if (view == *i) {
-                       _film_editor->set_selection (cv->content ());
+                       _content_panel->set_selection (cv->content ());
                }
        }
 
@@ -604,11 +672,11 @@ Timeline::right_down (wxMouseEvent& ev)
 void
 Timeline::set_position_from_event (wxMouseEvent& ev)
 {
-       if (!_pixels_per_time_unit) {
+       if (!_pixels_per_second) {
                return;
        }
 
-       double const pptu = _pixels_per_time_unit.get ();
+       double const pps = _pixels_per_second.get ();
 
        wxPoint const p = ev.GetPosition();
 
@@ -627,13 +695,13 @@ Timeline::set_position_from_event (wxMouseEvent& ev)
                return;
        }
        
-       Time new_position = _down_view_position + (p.x - _down_point.x) / pptu;
+       DCPTime new_position = _down_view_position + DCPTime::from_seconds ((p.x - _down_point.x) / pps);
        
        if (_snap) {
                
                bool first = true;
-               Time nearest_distance = TIME_MAX;
-               Time nearest_new_position = TIME_MAX;
+               DCPTime nearest_distance = DCPTime::max ();
+               DCPTime nearest_new_position = DCPTime::max ();
                
                /* Find the nearest content edge; this is inefficient */
                for (ViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
@@ -644,19 +712,22 @@ Timeline::set_position_from_event (wxMouseEvent& ev)
                        
                        {
                                /* Snap starts to ends */
-                               Time const d = abs (cv->content()->end() - new_position);
+                               DCPTime const d = DCPTime (cv->content()->end() - new_position).abs ();
                                if (first || d < nearest_distance) {
                                        nearest_distance = d;
-                                       nearest_new_position = cv->content()->end() + 1;
+                                       nearest_new_position = cv->content()->end() + DCPTime::delta ();
                                }
                        }
                        
                        {
                                /* Snap ends to starts */
-                               Time const d = abs (cv->content()->position() - (new_position + _down_view->content()->length_after_trim()));
+                               DCPTime const d = DCPTime (
+                                       cv->content()->position() - (new_position + _down_view->content()->length_after_trim())
+                                       ).abs ();
+                               
                                if (d < nearest_distance) {
                                        nearest_distance = d;
-                                       nearest_new_position = cv->content()->position() - _down_view->content()->length_after_trim () - 1;
+                                       nearest_new_position = cv->content()->position() - _down_view->content()->length_after_trim () - DCPTime::delta();
                                }
                        }
                        
@@ -665,14 +736,14 @@ Timeline::set_position_from_event (wxMouseEvent& ev)
                
                if (!first) {
                        /* Snap if it's close; `close' means within a proportion of the time on the timeline */
-                       if (nearest_distance < (width() / pptu) / 32) {
+                       if (nearest_distance < DCPTime::from_seconds ((width() / pps) / 32)) {
                                new_position = nearest_new_position;
                        }
                }
        }
        
-       if (new_position < 0) {
-               new_position = 0;
+       if (new_position < DCPTime ()) {
+               new_position = DCPTime ();
        }
 
        _down_view->content()->set_position (new_position);
@@ -697,7 +768,7 @@ Timeline::film () const
 void
 Timeline::resized ()
 {
-       setup_pixels_per_time_unit ();
+       setup_pixels_per_second ();
 }
 
 void