actions: rename askYesNoQuestion to confirmAction and make it throw on 'n'

src/actions.cpp

@@ -252,15 +252,16 @@ void setWindowsDimensions()
 	FooterHeight = Config.statusbar_visibility ? 2 : 1;
 }
 
-bool askYesNoQuestion(const boost::format &fmt)
+void confirmAction(const boost::format &description)
 {
 	Statusbar::ScopedLock lock;
-	Statusbar::put() << fmt.str()
+	Statusbar::put() << description.str()
 	<< " [" << NC::Format::Bold << 'y' << NC::Format::NoBold
 	<< '/' << NC::Format::Bold << 'n' << NC::Format::NoBold
 	<< "] ";
 	auto answer = Statusbar::Helpers::promptReturnOneOf({"y", "n"});
-	return answer == "y";
+	if (answer == "n")
+		throw NC::PromptAborted(std::move(answer));
 }
 
 bool isMPDMusicDirSet()
@@ -678,14 +679,16 @@ void DeleteBrowserItems::run()
 		question = boost::format("Delete %1% \"%2%\"?")
 			% itemTypeToString(item.type) % wideShorten(iname, COLS-question.size()-10);
 	}
-	bool yes = askYesNoQuestion(question);
+	confirmAction(question);
-	if (yes)
-	{
 	bool success = true;
-		auto list = getSelectedOrCurrent(myBrowser->main().begin(), myBrowser->main().end(), myBrowser->main().currentI());
+	auto list = getSelectedOrCurrent(
-		for (auto it = list.begin(); it != list.end(); ++it)
+		myBrowser->main().begin(),
+		myBrowser->main().end(),
+		myBrowser->main().currentI()
+	);
+	for (const auto &item : list)
 	{
-			const MPD::Item &i = (*it)->value();
+		const MPD::Item &i = item->value();
 		std::string iname = i.type == MPD::itSong ? i.song->getName() : i.name;
 		std::string errmsg;
 		if (myBrowser->deleteItem(i, errmsg))
@@ -708,9 +711,6 @@ void DeleteBrowserItems::run()
 			Mpd.UpdateDirectory(myBrowser->CurrentDir());
 	}
 }
-	else
-		Statusbar::print("Aborted");
-}
 
 bool DeleteStoredPlaylist::canBeRun() const
 {
@@ -727,21 +727,20 @@ void DeleteStoredPlaylist::run()
 	else
 		question = boost::format("Delete playlist \"%1%\"?")
 			% wideShorten(myPlaylistEditor->Playlists.current().value(), COLS-question.size()-10);
-	bool yes = askYesNoQuestion(question);
+	confirmAction(question);
-	if (yes)
+	auto list = getSelectedOrCurrent(
-	{
+		myPlaylistEditor->Playlists.begin(),
-		auto list = getSelectedOrCurrent(myPlaylistEditor->Playlists.begin(), myPlaylistEditor->Playlists.end(), myPlaylistEditor->Playlists.currentI());
+		myPlaylistEditor->Playlists.end(),
-		for (auto it = list.begin(); it != list.end(); ++it)
+		myPlaylistEditor->Playlists.currentI()
-			Mpd.DeletePlaylist((*it)->value());
+	);
+	for (const auto &item : list)
+		Mpd.DeletePlaylist(item->value());
 	Statusbar::printf("%1% deleted", list.size() == 1 ? "Playlist" : "Playlists");
 	// force playlists update. this happens automatically, but only after call
 	// to Key::read, therefore when we call PlaylistEditor::Update, it won't
 	// yet see it, so let's point that it needs to update it.
 	myPlaylistEditor->requestPlaylistsUpdate();
 }
-	else
-		Statusbar::print("Aborted");
-}
 
 void ReplaySong::run()
 {
@@ -774,16 +773,11 @@ void SavePlaylist::run()
 		Statusbar::put() << "Save playlist as: ";
 		playlist_name = wFooter->prompt();
 	}
-	if (playlist_name.find("/") != std::string::npos)
-	{
-		Statusbar::print("Playlist name must not contain slashes");
-		return;
-	}
 	if (myPlaylist->main().isFiltered())
 	{
 		Mpd.StartCommandsList();
-		for (size_t i = 0; i < myPlaylist->main().size(); ++i)
+		for (const auto &item : myPlaylist->main())
-			Mpd.AddToPlaylist(playlist_name, myPlaylist->main()[i].value());
+			Mpd.AddToPlaylist(playlist_name, item.value());
 		Mpd.CommitCommandsList();
 		Statusbar::printf("Filtered items added to playlist \"%1%\"", playlist_name);
 	}
@@ -798,20 +792,13 @@ void SavePlaylist::run()
 		{
 			if (e.code() == MPD_SERVER_ERROR_EXIST)
 			{
-				bool yes = askYesNoQuestion(
+				confirmAction(
 					boost::format("Playlist \"%1%\" already exists, overwrite?") % playlist_name
 				);
-				if (yes)
-				{
 				Mpd.DeletePlaylist(playlist_name);
 				Mpd.SavePlaylist(playlist_name);
 				Statusbar::print("Playlist overwritten");
 			}
-				else
-					Statusbar::print("Aborted");
-				if (myScreen == myPlaylist)
-					myPlaylist->EnableHighlighting();
-			}
 			else
 				throw e;
 		}
@@ -1751,17 +1738,13 @@ void CropMainPlaylist::run()
 	// cropping doesn't make sense in this case
 	if (w.size() <= 1)
 		return;
-	bool yes = true;
 	if (Config.ask_before_clearing_playlists)
-		yes = askYesNoQuestion("Do you really want to crop main playlist?");
+		confirmAction("Do you really want to crop main playlist?");
-	if (yes)
-	{
 	Statusbar::print("Cropping playlist...");
 	selectCurrentIfNoneSelected(w);
 	cropPlaylist(w, boost::bind(&MPD::Connection::Delete, _1, _2));
 	Statusbar::print("Playlist cropped");
 }
-}
 
 bool CropPlaylist::canBeRun() const
 {
@@ -1776,27 +1759,18 @@ void CropPlaylist::run()
 		return;
 	assert(!myPlaylistEditor->Playlists.empty());
 	std::string playlist = myPlaylistEditor->Playlists.current().value();
-	bool yes = true;
 	if (Config.ask_before_clearing_playlists)
-		yes = askYesNoQuestion(
+		confirmAction(boost::format("Do you really want to crop playlist \"%1%\"?") % playlist);
-			boost::format("Do you really want to crop playlist \"%1%\"?") % playlist
-		);
-	if (yes)
-	{
 	selectCurrentIfNoneSelected(w);
 	Statusbar::printf("Cropping playlist \"%1%\"...", playlist);
 	cropPlaylist(w, boost::bind(&MPD::Connection::PlaylistDelete, _1, playlist, _2));
 	Statusbar::printf("Playlist \"%1%\" cropped", playlist);
 }
-}
 
 void ClearMainPlaylist::run()
 {
-	bool yes = true;
 	if (Config.ask_before_clearing_playlists)
-		yes = askYesNoQuestion("Do you really want to clear main playlist?");
+		confirmAction("Do you really want to clear main playlist?");
-	if (yes)
-	{
 	auto delete_fun = boost::bind(&MPD::Connection::Delete, _1, _2);
 	auto clear_fun = boost::bind(&MPD::Connection::ClearMainPlaylist, _1);
 	Statusbar::printf("Deleting items...");
@@ -1804,7 +1778,6 @@ void ClearMainPlaylist::run()
 	Statusbar::printf("Items deleted");
 	myPlaylist->main().reset();
 }
-}
 
 bool ClearPlaylist::canBeRun() const
 {
@@ -1816,20 +1789,14 @@ void ClearPlaylist::run()
 	if (myPlaylistEditor->Playlists.empty())
 		return;
 	std::string playlist = myPlaylistEditor->Playlists.current().value();
-	bool yes = true;
 	if (Config.ask_before_clearing_playlists)
-		yes = askYesNoQuestion(
+		confirmAction(boost::format("Do you really want to clear playlist \"%1%\"?") % playlist);
-			boost::format("Do you really want to clear playlist \"%1%\"?") % playlist
-		);
-	if (yes)
-	{
 	auto delete_fun = boost::bind(&MPD::Connection::PlaylistDelete, _1, playlist, _2);
 	auto clear_fun = boost::bind(&MPD::Connection::ClearPlaylist, _1, playlist);
 	Statusbar::printf("Deleting items from \"%1%\"...", playlist);
 	clearPlaylist(myPlaylistEditor->Content, delete_fun, clear_fun);
 	Statusbar::printf("Items deleted from \"%1%\"", playlist);
 }
-}
 
 bool SortPlaylist::canBeRun() const
 {

src/actions.h

@@ -67,10 +67,10 @@ void setResizeFlags();
 void resizeScreen(bool reload_main_window);
 void setWindowsDimensions();
 
-bool askYesNoQuestion(const boost::format &question);
+void confirmAction(const boost::format &description);
-inline bool askYesNoQuestion(const std::string &question)
+inline void confirmAction(const std::string &description)
 {
-	return askYesNoQuestion(boost::format(question));
+	confirmAction(boost::format(description));
 }
 
 bool isMPDMusicDirSet();

src/playlist.cpp

@@ -72,7 +72,6 @@ void Playlist::switchTo()
 {
 	SwitchTo::execute(this);
 	m_scroll_begin = 0;
-	EnableHighlighting();
 	drawHeader();
 }
 

src/tag_editor.cpp

@@ -468,9 +468,7 @@ void TagEditor::enterPressed()
 	
 	if (w == TagTypes && id == 5)
 	{
-		bool yes = Actions::askYesNoQuestion("Number tracks?");
+		Actions::confirmAction("Number tracks?");
-		if (yes)
-		{
 		auto it = EditedSongs.begin();
 		for (unsigned i = 1; i <= EditedSongs.size(); ++i, ++it)
 		{
@@ -480,9 +478,6 @@ void TagEditor::enterPressed()
 				(*it)->setTrack(boost::lexical_cast<std::string>(i));
 		}
 		Statusbar::print("Tracks numbered");
-		}
-		else
-			Statusbar::print("Aborted");
 		return;
 	}
 	
@@ -879,8 +874,9 @@ bool TagEditor::previousColumnAvailable()
 	}
 	else if (w == TagTypes)
 	{
-		if (!Dirs->reallyEmpty())
+		if (!Dirs->reallyEmpty() && isAnyModified(*Tags))
-			result = ifAnyModifiedAskForDiscarding();
+			Actions::confirmAction("There are pending changes, are you sure?");
+		result = true;
 	}
 	else if (w == FParserHelper)
 		result = true;
@@ -959,14 +955,6 @@ void TagEditor::nextColumn()
 
 /***********************************************************************/
 
-bool TagEditor::ifAnyModifiedAskForDiscarding()
-{
-	bool result = true;
-	if (isAnyModified(*Tags))
-		result = Actions::askYesNoQuestion("There are pending changes, are you sure?");
-	return result;
-}
-
 void TagEditor::LocateSong(const MPD::Song &s)
 {
 	if (myScreen == this)

src/tag_editor.h

@@ -77,7 +77,6 @@ struct TagEditor: Screen<NC::Window *>, Filterable, HasColumns, HasSongs, Search
 	virtual void nextColumn() OVERRIDE;
 	
 	// private members
-	bool ifAnyModifiedAskForDiscarding();
 	void LocateSong(const MPD::Song &s);
 	const std::string &CurrentDir() { return itsBrowsedDir; }