When doing jump-to-selected jump to the first subtitle in TextSubtitleContent (#1160).

3 files changed, 30 insertions, 4 deletions

diff --git a/src/lib/text_subtitle.cc b/src/lib/text_subtitle.cc
index 0f5e055cf..2de815459 100644
--- a/src/lib/text_subtitle.cc
+++ b/src/lib/text_subtitle.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2014-2016 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2014-2018 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -36,6 +36,7 @@ using std::cout;
 using std::string;
 using boost::shared_ptr;
 using boost::scoped_array;
+using boost::optional;
 using dcp::Data;
 
 TextSubtitle::TextSubtitle (shared_ptr<const TextSubtitleContent> content)
@@ -85,6 +86,17 @@ TextSubtitle::TextSubtitle (shared_ptr<const TextSubtitleContent> content)
 	delete reader;
 }
 
+/** @return time of first subtitle, if there is one */
+optional<ContentTime>
+TextSubtitle::first () const
+{
+	if (_subtitles.empty()) {
+		return optional<ContentTime>();
+	}
+
+	return ContentTime::from_seconds(_subtitles[0].from.all_as_seconds());
+}
+
 ContentTime
 TextSubtitle::length () const
 {
diff --git a/src/lib/text_subtitle.h b/src/lib/text_subtitle.h
index c02f7a14b..94adb5cc5 100644
--- a/src/lib/text_subtitle.h
+++ b/src/lib/text_subtitle.h
@@ -37,6 +37,7 @@ class TextSubtitle
 public:
 	TextSubtitle (boost::shared_ptr<const TextSubtitleContent>);
 
+	boost::optional<ContentTime> first () const;
 	ContentTime length () const;
 
 protected:
diff --git a/src/wx/content_panel.cc b/src/wx/content_panel.cc
index 8620fa3e0..fa3754dd6 100644
--- a/src/wx/content_panel.cc
+++ b/src/wx/content_panel.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2018 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -39,6 +39,8 @@
 #include "lib/config.h"
 #include "lib/log.h"
 #include "lib/compose.hpp"
+#include "lib/text_subtitle_content.h"
+#include "lib/text_subtitle.h"
 #include <wx/wx.h>
 #include <wx/notebook.h>
 #include <wx/listctrl.h>
@@ -254,8 +256,19 @@ ContentPanel::selection_changed ()
 
 	optional<DCPTime> go_to;
 	BOOST_FOREACH (shared_ptr<Content> i, selected ()) {
-		if (!go_to || i->position() < go_to.get()) {
-			go_to = i->position ();
+		DCPTime p;
+		p = i->position();
+		if (dynamic_pointer_cast<TextSubtitleContent>(i)) {
+			/* Rather special case; if we select a text subtitle file jump to its
+			   first subtitle.
+			*/
+			TextSubtitle ts (dynamic_pointer_cast<TextSubtitleContent>(i));
+			if (ts.first()) {
+				p += DCPTime(ts.first().get(), _film->active_frame_rate_change(i->position()));
+			}
+		}
+		if (!go_to || p < go_to.get()) {
+			go_to = p;
 		}
 	}