add single touch shourtcuts for touch wheel

This allows you to use the touch wheel for quick playback control:
- bottom quadrant for play/pause
- left and right quadrant for track skip back / forward
- top quadrant to seek back 25 seconds (handy when listening
  to a podcast)

1 files changed, 6 insertions, 0 deletions

diff --git a/src/tangara/input/input_hook_actions.cpp b/src/tangara/input/input_hook_actions.cpp
index 001d3fb0..587683ba 100644
--- a/src/tangara/input/input_hook_actions.cpp
+++ b/src/tangara/input/input_hook_actions.cpp
@@ -68,6 +68,12 @@ auto nextTrack(audio::TrackQueue& queue) -> HookCallback {
                       }};
 }
 
+auto skipBack() -> HookCallback {
+  return HookCallback{.name = "skip_back", .fn = [&](lv_indev_data_t* d) {
+    events::Ui().Dispatch(ui::SeekBack{.seconds = 25});
+  }};
+}
+
 auto prevTrack(audio::TrackQueue& queue) -> HookCallback {
   return HookCallback{.name = "prev_track", .fn = [&](lv_indev_data_t* d) {
                         queue.previous();