Merge branch 'master' of ssh://git.carlh.net/home/carl/git/dcpomatic
[dcpomatic.git] / src / wx / timeline.cc
index e2cc1a249e2be71754ea693db4383edd4e409ee9..1516202bcbb286719ff00e96b4b12fffeeb04386 100644 (file)
@@ -29,6 +29,7 @@
 #include "lib/film.h"
 #include "lib/playlist.h"
 #include "lib/image_content.h"
+#include "lib/timer.h"
 #include "lib/audio_content.h"
 #include "lib/subtitle_content.h"
 #include <wx/graphics.h>
@@ -98,9 +99,16 @@ Timeline::paint ()
 void
 Timeline::film_changed (Film::Property p)
 {
-       if (p == Film::CONTENT) {
+       if (p == Film::CONTENT || p == Film::REEL_TYPE || p == Film::REEL_LENGTH) {
                ensure_ui_thread ();
                recreate_views ();
+       } else if (p == Film::CONTENT_ORDER) {
+               assign_tracks ();
+               if (!_left_down) {
+                       /* Only do this if we are not dragging, as it's confusing otherwise */
+                       setup_pixels_per_second ();
+               }
+               Refresh ();
        }
 }
 
@@ -142,14 +150,7 @@ Timeline::film_content_changed (int property)
 {
        ensure_ui_thread ();
 
-       if (property == ContentProperty::POSITION) {
-               assign_tracks ();
-               if (!_left_down) {
-                       /* Only do this if we are not dragging, as it's confusing otherwise */
-                       setup_pixels_per_second ();
-               }
-               Refresh ();
-       } else if (property == AudioContentProperty::AUDIO_STREAMS) {
+       if (property == AudioContentProperty::AUDIO_STREAMS) {
                recreate_views ();
        }
 }
@@ -265,10 +266,6 @@ Timeline::left_down (wxMouseEvent& ev)
                if (!ev.ShiftDown ()) {
                        cv->set_selected (view == *i);
                }
-
-               if (view == *i) {
-                       _content_panel->set_selection (cv->content ());
-               }
        }
 
        if (content_view && ev.ShiftDown ()) {
@@ -280,6 +277,24 @@ Timeline::left_down (wxMouseEvent& ev)
        _first_move = false;
 
        if (_down_view) {
+               /* Pre-compute the points that we might snap to */
+               for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
+                       shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (*i);
+                       if (!cv || cv == _down_view || cv->content() == _down_view->content()) {
+                               continue;
+                       }
+
+                       _start_snaps.push_back (cv->content()->position());
+                       _end_snaps.push_back (cv->content()->position());
+                       _start_snaps.push_back (cv->content()->end());
+                       _end_snaps.push_back (cv->content()->end());
+
+                       BOOST_FOREACH (DCPTime i, cv->content()->reel_split_points()) {
+                               _start_snaps.push_back (i);
+                       }
+               }
+
+               /* Tell everyone that things might change frequently during the drag */
                _down_view->content()->set_change_signals_frequent (true);
        }
 }
@@ -291,6 +306,7 @@ Timeline::left_up (wxMouseEvent& ev)
 
        if (_down_view) {
                _down_view->content()->set_change_signals_frequent (false);
+               _content_panel->set_selection (_down_view->content ());
        }
 
        set_position_from_event (ev);
@@ -300,6 +316,9 @@ Timeline::left_up (wxMouseEvent& ev)
        */
        setup_pixels_per_second ();
        Refresh ();
+
+       _start_snaps.clear ();
+       _end_snaps.clear ();
 }
 
 void
@@ -374,17 +393,14 @@ Timeline::set_position_from_event (wxMouseEvent& ev)
                */
                optional<DCPTime> nearest_distance;
 
-               /* Find the nearest content edge; this is inefficient */
-               for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
-                       shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (*i);
-                       if (!cv || cv == _down_view || cv->content() == _down_view->content()) {
-                               continue;
-                       }
+               /* Find the nearest snap point */
+
+               BOOST_FOREACH (DCPTime i, _start_snaps) {
+                       maybe_snap (i, new_position, nearest_distance);
+               }
 
-                       maybe_snap (cv->content()->position(), new_position, nearest_distance);
-                       maybe_snap (cv->content()->position(), new_end, nearest_distance);
-                       maybe_snap (cv->content()->end(), new_position, nearest_distance);
-                       maybe_snap (cv->content()->end(), new_end, nearest_distance);
+               BOOST_FOREACH (DCPTime i, _end_snaps) {
+                       maybe_snap (i, new_end, nearest_distance);
                }
 
                if (nearest_distance) {
@@ -462,3 +478,14 @@ Timeline::selected_content () const
 
        return sel;
 }
+
+void
+Timeline::set_selection (ContentList selection)
+{
+       for (TimelineViewList::iterator i = _views.begin(); i != _views.end(); ++i) {
+               shared_ptr<TimelineContentView> cv = dynamic_pointer_cast<TimelineContentView> (*i);
+               if (cv) {
+                       cv->set_selected (find (selection.begin(), selection.end(), cv->content ()) != selection.end ());
+               }
+       }
+}