Added a new PlayQueueClear hotkey.

CHANGELOG.txt

@@ -6,7 +6,8 @@
   completion.
 * fixed now playing readout ellipsizing.
 * fixed a bug where last.fm scrobbles may get posted twice per track.
-
+* added a hotkey to clear the play queue; press 'shift+x' in the play queue
+  window.
 --------------------------------------------------------------------------------
 
 0.96.2

src/musikcube/app/layout/NowPlayingLayout.cpp

@@ -241,6 +241,10 @@ bool NowPlayingLayout::KeyPress(const std::string& key) {
         PlayQueueOverlays::ShowDeletePlaylistOverlay(this->library);
         return true;
     }
+    else if (Hotkeys::Is(Hotkeys::PlayQueueClear, key)) {
+        this->playback.Edit().Clear();
+        return true;
+    }
     else if (ProcessEditOperation(key)) {
         return true;
     }

src/musikcube/app/util/Hotkeys.cpp

@@ -92,6 +92,7 @@ static std::unordered_map<std::string, Id> NAME_TO_ID = {
     { "play_queue_playlist_rename", Id::PlayQueuePlaylistRename },
     { "play_queue_playlist_delete", Id::PlayQueuePlaylistDelete },
     { "play_queue_hot_swap", Id::PlayQueueHotSwap },
+    { "play_queue_clear", Id::PlayQueueClear },
 
     { "browse_playlists_new", Id::BrowsePlaylistsNew },
     { "browse_playlists_save", Id::BrowsePlaylistsSave },
@@ -182,6 +183,7 @@ static std::unordered_map<Id, std::string, EnumHasher> ID_TO_DEFAULT = {
     { Id::PlayQueuePlaylistRename, "M-r" },
     { Id::PlayQueuePlaylistDelete, "M-x" },
     { Id::PlayQueueHotSwap, "M-a" },
+    { Id::PlayQueueClear, "X" },
 
     { Id::BrowsePlaylistsSave, "M-s" },
     { Id::BrowsePlaylistsNew, "M-n" },

src/musikcube/app/util/Hotkeys.h

@@ -101,6 +101,7 @@ namespace musik {
                     PlayQueuePlaylistRename,
                     PlayQueuePlaylistDelete,
                     PlayQueueHotSwap,
+                    PlayQueueClear,
 
                     /* browse -> playlists */
                     BrowsePlaylistsNew,