Add + and - as zoom shortcuts in the timeline.

diff --git a/src/wx/timeline.cc b/src/wx/timeline.cc
index 2b8fba6fd50468766c09a36e3c05646df1d0a5a5..de83e6ba3945bd1c22038b02e6162fdc6cfad2ac 100644 (file)
--- a/src/wx/timeline.cc
+++ b/src/wx/timeline.cc
@@ -969,7 +969,17 @@ Timeline::keypress(wxKeyEvent const& event)
 {
        if (event.GetKeyCode() == WXK_DELETE) {
                auto film = _film.lock();
+               DCPOMATIC_ASSERT(film);
                film->remove_content(selected_content());
+       } else {
+               switch (event.GetRawKeyCode()) {
+               case '+':
+                       set_pixels_per_second(_pixels_per_second.get_value_or(1) * 2);
+                       break;
+               case '-':
+                       set_pixels_per_second(_pixels_per_second.get_value_or(1) / 2);
+                       break;
+               }
        }
 }