new feature: add selected items to playlist at given position

src/misc.cpp

@@ -37,10 +37,23 @@ SelectedItemsAdder *mySelectedItemsAdder = new SelectedItemsAdder;
 void SelectedItemsAdder::Init()
 {
 	SetDimensions();
-	w = new Menu<std::string>((COLS-itsWidth)/2, (MainHeight-itsHeight)/2+MainStartY, itsWidth, itsHeight, "Add selected items to...", Config.main_color, Config.window_border);
-	w->CyclicScrolling(Config.use_cyclic_scrolling);
-	w->HighlightColor(Config.main_highlight_color);
-	w->SetItemDisplayer(Display::Generic);
+	itsPlaylistSelector = new Menu<std::string>((COLS-itsWidth)/2, (MainHeight-itsHeight)/2+MainStartY, itsWidth, itsHeight, "Add selected items to...", Config.main_color, Config.window_border);
+	itsPlaylistSelector->CyclicScrolling(Config.use_cyclic_scrolling);
+	itsPlaylistSelector->HighlightColor(Config.main_highlight_color);
+	itsPlaylistSelector->SetItemDisplayer(Display::Generic);
+	
+	itsPositionSelector = new Menu<std::string>((COLS-itsPSWidth)/2, (MainHeight-itsPSHeight)/2+MainStartY, itsPSWidth, itsPSHeight, "Where?", Config.main_color, Config.window_border);
+	itsPositionSelector->CyclicScrolling(Config.use_cyclic_scrolling);
+	itsPositionSelector->HighlightColor(Config.main_highlight_color);
+	itsPositionSelector->SetItemDisplayer(Display::Generic);
+	itsPositionSelector->AddOption("At the end of playlist");
+	itsPositionSelector->AddOption("At the beginning of playlist");
+	itsPositionSelector->AddOption("After current track");
+	itsPositionSelector->AddOption("After current album");
+	itsPositionSelector->AddSeparator();
+	itsPositionSelector->AddOption("Cancel");
+	
+	w = itsPlaylistSelector;
 	isInitialized = 1;
 }
 
@@ -67,6 +80,9 @@ void SelectedItemsAdder::SwitchTo()
 	if (!isInitialized)
 		Init();
 	
+	// default to main window
+	w = itsPlaylistSelector;
+	
 	// Resize() can fall back to old screen, so we need it updated
 	myOldScreen = myScreen;
 	
@@ -102,8 +118,12 @@ void SelectedItemsAdder::Resize()
 	SetDimensions();
 	if (itsHeight < 5) // screen too low to display this window
 		return myOldScreen->SwitchTo();
-	w->Resize(itsWidth, itsHeight);
-	w->MoveTo((COLS-itsWidth)/2, (MainHeight-itsHeight)/2+MainStartY);
+	itsPlaylistSelector->Resize(itsWidth, itsHeight);
+	itsPlaylistSelector->MoveTo((COLS-itsWidth)/2, (MainHeight-itsHeight)/2+MainStartY);
+	size_t poss_width = std::min(itsPSWidth, size_t(COLS));
+	size_t poss_height = std::min(itsPSHeight, size_t(MainHeight));
+	itsPositionSelector->Resize(poss_width, poss_height);
+	itsPositionSelector->MoveTo((COLS-poss_width)/2, (MainHeight-poss_height)/2+MainStartY);
 	if (myOldScreen && myOldScreen->hasToBeResized) // resize background window
 	{
 		myOldScreen->Resize();
@@ -112,6 +132,17 @@ void SelectedItemsAdder::Resize()
 	hasToBeResized = 0;
 }
 
+void SelectedItemsAdder::Refresh()
+{
+	if (w == itsPositionSelector)
+	{
+		itsPlaylistSelector->Display();
+		itsPositionSelector->Display();
+	}
+	else
+		itsPlaylistSelector->Display();
+}
+
 std::basic_string<my_char_t> SelectedItemsAdder::Title()
 {
 	return myOldScreen->Title();
@@ -122,13 +153,16 @@ void SelectedItemsAdder::EnterPressed()
 	size_t pos = w->Choice();
 	
 	MPD::SongList list;
-	if (pos != w->Size()-1)
+	if ((w != itsPlaylistSelector || pos != 0) && pos != w->Size()-1)
 		myOldScreen->GetSelectedSongs(list);
 	
+	if (w == itsPlaylistSelector)
+	{
 		if (pos == 0) // add to mpd playlist
 		{
-		if (myPlaylist->Add(list, 0))
-			ShowMessage("Selected items added!");
+			w = itsPositionSelector;
+			itsPositionSelector->Reset();
+			return;
 		}
 		else if (pos == 1) // create new playlist
 		{
@@ -163,6 +197,46 @@ void SelectedItemsAdder::EnterPressed()
 			if (myPlaylistEditor->Main())
 				myPlaylistEditor->Playlists->Clear(); // make playlist editor update itself
 		}
+	}
+	else
+	{
+		if (pos > 0 && pos < 3 && !Mpd.isPlaying())
+		{
+			ShowMessage("Player is stopped!");
+			return;
+		}
+		
+		bool successful_operation;
+		if (pos == 0) // end of playlist
+		{
+			successful_operation = myPlaylist->Add(list, 0);
+		}
+		else if (pos == 1) // beginning of playlist
+		{
+			successful_operation = myPlaylist->Add(list, 0, 0);
+		}
+		else if (pos == 2) // after currently playing track
+		{
+			successful_operation = myPlaylist->Add(list, 0, Mpd.GetCurrentSongPos()+1);
+		}
+		else if (pos == 3) // after currently playing album
+		{
+			std::string album = myPlaylist->CurrentSong()->GetAlbum();
+			int i;
+			for (i = Mpd.GetCurrentSongPos()+1; i < int(myPlaylist->Items->Size()); ++i)
+				if ((*myPlaylist->Items)[i].GetAlbum() != album)
+					break;
+			successful_operation = myPlaylist->Add(list, 0, i);
+		}
+		else
+		{
+			w = itsPlaylistSelector;
+			return;
+		}
+		
+		if (successful_operation)
+			ShowMessage("Selected items added!");
+	}
 	MPD::FreeSongList(list);
 	SwitchTo();
 }

src/misc.h

@@ -27,8 +27,11 @@
 class SelectedItemsAdder : public Screen< Menu<std::string> >
 {
 	public:
+		SelectedItemsAdder() : itsPSWidth(35), itsPSHeight(10) { }
+		
 		virtual void SwitchTo();
 		virtual void Resize();
+		virtual void Refresh();
 		
 		virtual std::basic_string<my_char_t> Title();
 		
@@ -46,6 +49,12 @@ class SelectedItemsAdder : public Screen< Menu<std::string> >
 	private:
 		void SetDimensions();
 		
+		Menu<std::string> *itsPlaylistSelector;
+		Menu<std::string> *itsPositionSelector;
+		
+		size_t itsPSWidth;
+		size_t itsPSHeight;
+		
 		size_t itsWidth;
 		size_t itsHeight;
 };

src/playlist.cpp

@@ -419,7 +419,7 @@ std::string Playlist::SongInColumnsToString(const MPD::Song &s, void *)
 	return s.toString(result);
 }
 
-bool Playlist::Add(const MPD::Song &s, bool in_playlist, bool play)
+bool Playlist::Add(const MPD::Song &s, bool in_playlist, bool play, int position)
 {
 	BlockItemListUpdate = 1;
 	if (Config.ncmpc_like_songs_adding && in_playlist)
@@ -457,7 +457,7 @@ bool Playlist::Add(const MPD::Song &s, bool in_playlist, bool play)
 	}
 	else
 	{
-		int id = Mpd.AddSong(s);
+		int id = Mpd.AddSong(s, position);
 		if (id >= 0)
 		{
 			ShowMessage("Added to playlist: %s", s.toString(Config.song_status_format_no_colors).c_str());
@@ -470,7 +470,7 @@ bool Playlist::Add(const MPD::Song &s, bool in_playlist, bool play)
 	}
 }
 
-bool Playlist::Add(const MPD::SongList &l, bool play)
+bool Playlist::Add(const MPD::SongList &l, bool play, int position)
 {
 	if (l.empty())
 		return false;
@@ -479,15 +479,25 @@ bool Playlist::Add(const MPD::SongList &l, bool play)
 	
 	Mpd.StartCommandsList();
 	MPD::SongList::const_iterator it = l.begin();
+	if (position < 0)
+	{
 		for (; it != l.end(); ++it)
 			if (Mpd.AddSong(**it) < 0)
 				break;
+	}
+	else
+	{
+		MPD::SongList::const_reverse_iterator j = l.rbegin();
+		for (; j != l.rend(); ++j)
+			if (Mpd.AddSong(**j, position) < 0)
+				break;
+	}
 	Mpd.CommitCommandsList();
 	
 	if (play && old_playlist_size < Items->Size())
 		Mpd.Play(old_playlist_size);
 	
-	if (Items->Back().GetHash() != l.back()->GetHash())
+	if (position < 0 && Items->Back().GetHash() != l.back()->GetHash())
 	{
 		if (it != l.begin())
 			ShowMessage("%s", MPD::Message::PartOfSongsAdded);

src/playlist.h

@@ -64,8 +64,8 @@ class Playlist : public Screen<Window>
 		void UpdateTimer() { time(&itsTimer); }
 		time_t Timer() const { return itsTimer; }
 		
-		bool Add(const MPD::Song &s, bool in_playlist, bool play);
-		bool Add(const MPD::SongList &l, bool play);
+		bool Add(const MPD::Song &s, bool in_playlist, bool play, int position = -1);
+		bool Add(const MPD::SongList &l, bool play, int position = -1);
 		
 		static std::string SongToString(const MPD::Song &, void *);
 		static std::string SongInColumnsToString(const MPD::Song &, void *);