Wire the transition names through to the UI.

[nageru] / theme.lua

diff --git a/theme.lua b/theme.lua
index 67c80a32a9166ea49d3cdeacea1ba9aaad0f2cba..c7ce264017cfd9bde2572bf74e9c9e8096898ecf 100644 (file)
--- a/theme.lua
+++ b/theme.lua
@@ -90,8 +90,38 @@ function num_channels()
 end
 
 -- Called every frame.
-function get_transitions()
-       return {"Cut", "Fade", "Zoom!"}
+function get_transitions(t)
+       -- If live is 2 (SBS) but de-facto single, make it so.
+       if live_signal_num == 2 and t >= zoom_end and zoom_dst == 1.0 then
+               live_signal_num = 0
+       end
+
+       if live_signal_num == preview_signal_num then
+               return {}
+       end
+
+       if live_signal_num == 2 and t >= zoom_start and t <= zoom_end then
+               -- Zoom in progress.
+               return {"Cut"}
+       end
+
+       if (live_signal_num == 0 and preview_signal_num == 1) or
+          (live_signal_num == 1 and preview_signal_num == 0) then
+               return {"Cut"}
+       end
+
+       if live_signal_num == 2 and preview_signal_num == 1 then
+               -- Zoom-out not supported here yet.
+               return {"Cut"}
+       end
+
+       if live_signal_num == 2 and preview_signal_num == 0 then
+               return {"Cut", "Zoom in"}
+       elseif live_signal_num == 0 and preview_signal_num == 2 then
+               return {"Cut", "Zoom out"}
+       end
+
+       return {"Cut"}
 end
 
 function transition_clicked(num, t)