Allow key shortcut configuration via config file

Some code restructuring was made, too:
- Move UI functions to ui.c and ui_act.c
- Change default keys for loving and banning to + and -

10 files changed, 906 insertions, 631 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index 06c8e59..a796499 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,7 +1,7 @@
 bin_PROGRAMS = pianobar
 
-pianobar_SOURCES = main.c terminal.c terminal.h settings.c settings.h \
-		player.c player.h
+pianobar_SOURCES = main.c main.h terminal.c terminal.h settings.c settings.h \
+		player.c player.h ui.c ui.h ui_act.c ui_act.h
 pianobar_CPPFLAGS = ${LIBCURL_CFLAGS} ${LIBAO_CFLAGS} ${LIBXML_CFLAGS} \
 		-I../libpiano/src -I../libwardrobe/src
 pianobar_LDADD = ${LIBCURL_LIBS} ${LIBAO_LIBS} ${LIBFAAD_LIBS} \
diff --git a/src/main.c b/src/main.c
index 6814f79..00e94ca 100644
--- a/src/main.c
+++ b/src/main.c
@@ -20,7 +20,8 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 */
 
-#include <piano.h>
+/* main loop, helper functions */
+
 #include <wardrobe.h>
 #include <curl/curl.h>
 #include <libxml/parser.h>
@@ -34,400 +35,76 @@ THE SOFTWARE.
 #include <readline/readline.h>
 #include <time.h>
 #include <ctype.h>
+#include <piano.h>
 
-#include "terminal.h"
+#include "player.h"
 #include "settings.h"
+#include "main.h"
+#include "terminal.h"
 #include "config.h"
-#include "player.h"
-
-/*	output message and flush stdout
- *	@param message
- */
-inline void BarUiMsg (const char *msg) {
-	printf ("%s", msg);
-	fflush (stdout);
-}
-
-inline PianoReturn_t BarUiPrintPianoStatus (PianoReturn_t ret) {
-	if (ret != PIANO_RET_OK) {
-		printf ("Error: %s\n", PianoErrorToStr (ret));
-	} else {
-		printf ("Ok.\n");
-	}
-	return ret;
-}
-
-/*	check whether complete string is numeric
- *	@param the string
- *	@return 1 = yes, 0 = not numeric
- */
-char BarIsNumericStr (const char *str) {
-	while (*str != '\0') {
-		if (isdigit (*str) == 0) {
-			return 0;
-		}
-		str++;
-	}
-	return 1;
-}
-
-/*	use readline to get integer value
- *	@param prompt or NULL
- *	@param returns integer
- *	@return 1 = success, 0 = failure (not an integer, ...)
- */
-char BarReadlineInt (const char *prompt, int *retVal) {
-	char *buf;
-	char ret = 0;
-
-	if ((buf = readline (prompt)) != NULL && strlen (buf) > 0 &&
-			BarIsNumericStr (buf)) {
-		*retVal = atoi (buf);
-		ret = 1;
-	}
-	if (buf != NULL) {
-		free (buf);
-	}
-	return ret;
-}
-
-/* sort linked list (station); attention: this is a
- * "i-had-no-clue-what-to-do-algo", but it works.
- * @param stations
- * @return NULL-terminated array with sorted stations
- */
-PianoStation_t **BarSortedStations (PianoStation_t *unsortedStations) {
-	PianoStation_t *currStation, **sortedStations, **currSortedStation;
-	PianoStation_t *oldStation, *veryOldStation;
-	size_t unsortedStationsN = 0;
-	char inserted;
-
-	/* get size */
-	currStation = unsortedStations;
-	while (currStation != NULL) {
-		unsortedStationsN++;
-		currStation = currStation->next;
-	}
-	sortedStations = calloc (unsortedStationsN+1, sizeof (*sortedStations));
-
-	currStation = unsortedStations;
-	while (currStation != NULL) {
-		currSortedStation = sortedStations;
-		inserted = 0;
-		while (*currSortedStation != NULL && !inserted) {
-			/* item has to be inserted _before_ current item? */
-			/* FIXME: this doesn't handle multibyte chars correctly */
-			if (strcasecmp (currStation->name,
-					(*currSortedStation)->name) < 0) {
-				oldStation = *currSortedStation;
-				*currSortedStation = currStation;
-				currSortedStation++;
-				/* move items */
-				while (*currSortedStation != NULL) {
-					veryOldStation = *currSortedStation;
-					*currSortedStation = oldStation;
-					oldStation = veryOldStation;
-					currSortedStation++;
-				}
-				/* append last item */
-				if (oldStation != NULL) {
-					*currSortedStation = oldStation;
-				}
-				inserted = 1;
-			}
-			currSortedStation++;
-		}
-		/* item could not be inserted: append */
-		if (!inserted) {
-			*currSortedStation = currStation;
-		}
-		currStation = currStation->next;
-	}
-	return sortedStations;
-}
-
-/*	let user pick one station
- *	@param piano handle
- *	@return pointer to selected station or NULL
- */
-PianoStation_t *BarUiSelectStation (PianoHandle_t *ph,
-		const char *prompt) {
-	PianoStation_t **ss = NULL, **ssCurr = NULL, *retStation;
-	int i = 0;
-
-	ss = BarSortedStations (ph->stations);
-	ssCurr = ss;
-	while (*ssCurr != NULL) {
-		printf ("%2i) %c%c%c %s\n", i,
-				(*ssCurr)->useQuickMix ? 'q' : ' ',
-				(*ssCurr)->isQuickMix ? 'Q' : ' ',
-				!(*ssCurr)->isCreator ? 'S' : ' ',
-				(*ssCurr)->name);
-		ssCurr++;
-		i++;
-	}
-
-	if (!BarReadlineInt (prompt, &i)) {
-		return NULL;
-	}
-	ssCurr = ss;
-	while (*ssCurr != NULL && i > 0) {
-		ssCurr++;
-		i--;
-	}
-	retStation = *ssCurr;
-	free (ss);
-	return retStation;
-}
-
-/*	let user pick one song
- *	@param song list
- *	@return pointer to selected item in song list or NULL
- */
-PianoSong_t *BarUiSelectSong (PianoSong_t *startSong) {
-	PianoSong_t *tmpSong = NULL;
-	int i = 0;
-
-	tmpSong = startSong;
-	while (tmpSong != NULL) {
-		printf ("%2u) %s - %s\n", i, tmpSong->artist, tmpSong->title);
-		i++;
-		tmpSong = tmpSong->next;
-	}
-	if (!BarReadlineInt ("Select song: ", &i)) {
-		return NULL;
-	}
-	tmpSong = startSong;
-	while (tmpSong != NULL && i > 0) {
-		tmpSong = tmpSong->next;
-		i--;
-	}
-	return tmpSong;
-}
-
-/*	let user pick one artist
- *	@param artists (linked list)
- *	@return pointer to selected artist or NULL on abort
- */
-PianoArtist_t *BarUiSelectArtist (PianoArtist_t *startArtist) {
-	PianoArtist_t *tmpArtist = NULL;
-	int i = 0;
-
-	tmpArtist = startArtist;
-	while (tmpArtist != NULL) {
-		printf ("%2u) %s\n", i, tmpArtist->name);
-		i++;
-		tmpArtist = tmpArtist->next;
-	}
-	if (!BarReadlineInt ("Select artist: ", &i)) {
-		return NULL;
-	}
-	tmpArtist = startArtist;
-	while (tmpArtist != NULL && i > 0) {
-		tmpArtist = tmpArtist->next;
-		i--;
-	}
-	return tmpArtist;
-}
-
-/*	search music: query, search request, return music id
- *	@param piano handle
- *	@return musicId or NULL on abort/error
- */
-char *BarUiSelectMusicId (const PianoHandle_t *ph) {
-	char *musicId = NULL, *lineBuf;
-	char yesnoBuf;
-	PianoSearchResult_t searchResult;
-	PianoArtist_t *tmpArtist;
-	PianoSong_t *tmpSong;
-
-	lineBuf = readline ("Search for artist/title: ");
-	if (lineBuf != NULL && strlen (lineBuf) > 0) {
-		BarUiMsg ("Searching... ");
-		if (BarUiPrintPianoStatus (PianoSearchMusic (ph, lineBuf,
-				&searchResult)) != PIANO_RET_OK) {
-			free (lineBuf);
-			return NULL;
-		}
-		BarUiMsg ("\r");
-		if (searchResult.songs != NULL && searchResult.artists != NULL) {
-			BarUiMsg ("Is this an [a]rtist or [t]rack name? Press c to abort.\n");
-			read (fileno (stdin), &yesnoBuf, sizeof (yesnoBuf));
-			if (yesnoBuf == 'a') {
-				tmpArtist = BarUiSelectArtist (searchResult.artists);
-				if (tmpArtist != NULL) {
-					musicId = strdup (tmpArtist->musicId);
-				}
-			} else if (yesnoBuf == 't') {
-				tmpSong = BarUiSelectSong (searchResult.songs);
-				if (tmpSong != NULL) {
-					musicId = strdup (tmpSong->musicId);
-				}
-			} else {
-				BarUiMsg ("Aborted.\n");
-			}
-		} else if (searchResult.songs != NULL) {
-			tmpSong = BarUiSelectSong (searchResult.songs);
-			if (tmpSong != NULL) {
-				musicId = strdup (tmpSong->musicId);
-			} else {
-				BarUiMsg ("Aborted.\n");
-			}
-		} else if (searchResult.artists != NULL) {
-			tmpArtist = BarUiSelectArtist (searchResult.artists);
-			if (tmpArtist != NULL) {
-				musicId = strdup (tmpArtist->musicId);
-			} else {
-				BarUiMsg ("Aborted.\n");
-			}
-		} else {
-			BarUiMsg ("Nothing found...\n");
-		}
-		PianoDestroySearchResult (&searchResult);
-	} else {
-		BarUiMsg ("Aborted.\n");
-	}
-	if (lineBuf != NULL) {
-		free (lineBuf);
-	}
-
-	return musicId;
-}
+#include "ui.h"
 
 inline float BarSamplesToSeconds (float samplerate, float channels,
 		float samples) {
 	return channels * 1000.0 * samples / samplerate;
 }
 
-/*	browse genre stations and create shared station
- *	@param piano handle
- */
-void BarStationFromGenre (PianoHandle_t *ph) {
-	int i;
-	PianoGenreCategory_t *curCat;
-	PianoStation_t *curStation;
-
-	/* receive genre stations list if not yet available */
-	if (ph->genreStations == NULL) {
-		BarUiMsg ("Receiving genre stations... ");
-		if (BarUiPrintPianoStatus (PianoGetGenreStations (ph)) !=
-				PIANO_RET_OK) {
-			return;
-		}
-	}
-
-	/* print all available categories */
-	curCat = ph->genreStations;
-	i = 0;
-	while (curCat != NULL) {
-		printf ("%2i) %s\n", i, curCat->name);
-		i++;
-		curCat = curCat->next;
-	}
-	/* select category or exit */
-	if (!BarReadlineInt (NULL, &i)) {
-		BarUiMsg ("Aborted.\n");
-		return;
-	}
-	curCat = ph->genreStations;
-	while (curCat != NULL && i > 0) {
-		curCat = curCat->next;
-		i--;
-	}
-	
-	/* print all available stations */
-	curStation = curCat->stations;
-	i = 0;
-	while (curStation != NULL) {
-		printf ("%2i) %s\n", i, curStation->name);
-		i++;
-		curStation = curStation->next;
-	}
-	if (!BarReadlineInt (NULL, &i)) {
-		BarUiMsg ("Aborted.\n");
-		return;
-	}
-	curStation = curCat->stations;
-	while (curStation != NULL && i > 0) {
-		curStation = curStation->next;
-		i--;
-	}
-	/* create station */
-	printf ("Adding shared station \"%s\"... ", curStation->name);
-	fflush (stdout);
-	BarUiPrintPianoStatus (PianoCreateStation (ph, "sh", curStation->id));
-}
-
-/*	transform station if necessary to allow changes like rename, rate, ...
- *	@param piano handle
- *	@param transform this station
- *	@return 0 = error, 1 = everything went well
- */
-int BarTransformIfShared (PianoHandle_t *ph, PianoStation_t *station) {
-	/* shared stations must be transformed */
-	if (!station->isCreator) {
-		BarUiMsg ("Transforming station... ");
-		if (BarUiPrintPianoStatus (PianoTransformShared (ph, station)) !=
-				PIANO_RET_OK) {
-			return 0;
-		}
-	}
-	return 1;
-}
-
 int main (int argc, char **argv) {
 	PianoHandle_t ph;
 	struct aacPlayer player;
-	char doQuit = 0;
+	BarSettings_t settings;
 	PianoSong_t *curSong = NULL;
 	PianoStation_t *curStation = NULL;
-	BarSettings_t bsettings;
+	char doQuit = 0;
 	pthread_t playerThread;
-	WardrobeSong_t scrobbleSong;
 	WardrobeHandle_t wh;
+	WardrobeSong_t scrobbleSong;
+	/* needed in main loop */
+	struct pollfd polls = {fileno (stdin), POLLIN, POLLIN};
+	char buf = '\0';
+	BarKeyShortcut_t *curShortcut;
 
-	BarUiMsg ("Welcome to " PACKAGE_STRING "! Press ? for help.\n");
+	BarUiMsg ("Welcome to " PACKAGE_STRING " (built on " __DATE__ ")\n");
 
 	/* init some things */
 	curl_global_init (CURL_GLOBAL_SSL);
 	xmlInitParser ();
-	ao_initialize();
+	ao_initialize ();
+	PianoInit (&ph);
+	WardrobeInit (&wh);
+	BarSettingsInit (&settings);
 
-	BarSettingsInit (&bsettings);
-	BarSettingsRead (&bsettings);
+	BarSettingsRead (&settings);
 
-	if (bsettings.username == NULL) {
-		bsettings.username = readline ("Username: ");
+	if (settings.username == NULL) {
+		settings.username = readline ("Username: ");
 	}
-	if (bsettings.password == NULL) {
+	if (settings.password == NULL) {
 		BarTermSetEcho (0);
-		bsettings.password = readline ("Password: ");
+		settings.password = readline ("Password: ");
 		BarTermSetEcho (1);
 	}
 
-	PianoInit (&ph);
-	WardrobeInit (&wh);
-
-	if (bsettings.enableScrobbling) {
-		wh.user = strdup (bsettings.lastfmUser);
-		wh.password = strdup (bsettings.lastfmPassword);
+	if (settings.enableScrobbling) {
+		wh.user = strdup (settings.lastfmUser);
+		wh.password = strdup (settings.lastfmPassword);
 	}
 
 	/* setup control connection */
-	if (bsettings.controlProxy != NULL &&
-			bsettings.controlProxyType != -1) {
+	if (settings.controlProxy != NULL &&
+			settings.controlProxyType != -1) {
 		curl_easy_setopt (ph.curlHandle, CURLOPT_PROXY,
-				bsettings.controlProxy);
+				settings.controlProxy);
 		curl_easy_setopt (ph.curlHandle, CURLOPT_PROXYTYPE,
-				bsettings.controlProxyType);
+				settings.controlProxyType);
 	}
 	curl_easy_setopt (ph.curlHandle, CURLOPT_CONNECTTIMEOUT, 60);
 
 	BarTermSetBuffer (0);
 
 	BarUiMsg ("Login... ");
-	if (BarUiPrintPianoStatus (PianoConnect (&ph, bsettings.username,
-			bsettings.password, !bsettings.disableSecureLogin)) !=
+	if (BarUiPrintPianoStatus (PianoConnect (&ph, settings.username,
+			settings.password, !settings.disableSecureLogin)) !=
 			PIANO_RET_OK) {
 		return 0;
 	}
@@ -455,8 +132,8 @@ int main (int argc, char **argv) {
 			if (BarSamplesToSeconds (player.samplerate,
 					player.channels, player.sampleSizeCurr) * 100 /
 					scrobbleSong.length >=
-					bsettings.lastfmScrobblePercent &&
-					bsettings.enableScrobbling) {
+					settings.lastfmScrobblePercent &&
+					settings.enableScrobbling) {
 				WardrobeReturn_t wRet;
 
 				BarUiMsg ("Scrobbling song... ");
@@ -501,8 +178,8 @@ int main (int argc, char **argv) {
 							PianoFindStationById (ph.stations,
 							curSong->stationId);
 					printf ("\"%s\" by \"%s\" on \"%s\"%s%s%s\n",
-							curSong->title, curSong->artist, curSong->album,
-							(curSong->rating ==
+							curSong->title, curSong->artist,
+							curSong->album, (curSong->rating ==
 							PIANO_RATE_LOVE) ? " (Loved)" : "",
 							curStation->isQuickMix ? " @ ": "",
 							curStation->isQuickMix ? realStation->name :
@@ -523,278 +200,22 @@ int main (int argc, char **argv) {
 					pthread_create (&playerThread, NULL, BarPlayerThread,
 							&player);
 				}
-			}
+			} /* end if curStation != NULL */
 		}
 
 		/* in the meantime: wait for user actions */
-		struct pollfd polls = {fileno (stdin), POLLIN, POLLIN};
-		char buf, yesnoBuf;
-		char *lineBuf, *musicId, *explanation;
-		PianoStation_t *moveStation;
-
 		if (poll (&polls, 1, 1000) > 0) {
 			read (fileno (stdin), &buf, sizeof (buf));
-			switch (buf) {
-				case '?':
-					printf ("\na\tadd music to current station\n"
-							"b\tban current song\n"
-							"c\tcreate new station\n"
-							"d\tdelete current station\n"
-							"e\texplain why this song is played\n"
-							"g\tadd genre station\n"
-							"l\tlove current song\n"
-							"n\tnext song\n"
-							"p\tpause/continue\n"
-							"q\tquit\n"
-							"r\trename current station\n"
-							"s\tchange station\n"
-							"t\ttired (ban song for 1 month)\n"
-							"u\tupcoming songs\n"
-							"x\tselect quickmix stations\n");
-					break;
-
-				case 'a':
-					if (curStation == NULL) {
-						BarUiMsg ("No station selected.\n");
-						break;
-					}
-					musicId = BarUiSelectMusicId (&ph);
-					if (musicId == NULL) {
-						if (!BarTransformIfShared (&ph, curStation)) {
-							break;
-						}
-						BarUiMsg ("Adding music to station... ");
-						BarUiPrintPianoStatus (PianoStationAddMusic (&ph,
-								curStation, musicId));
-						free (musicId);
-					}
-					break;
-
-				case 'b':
-					if (curStation == NULL || curSong == NULL) {
-						BarUiMsg ("No song playing.\n");
-						break;
-					}
-					if (!BarTransformIfShared (&ph, curStation)) {
-						break;
-					}
-					BarUiMsg ("Banning song... ");
-					if (BarUiPrintPianoStatus (PianoRateTrack (&ph, curSong,
-							PIANO_RATE_BAN)) == PIANO_RET_OK) {
-						player.doQuit = 1;
-					}
-					break;
-
-				case 'c':
-					musicId = BarUiSelectMusicId (&ph);
-					if (musicId != NULL) {
-						BarUiMsg ("Creating station... ");
-						BarUiPrintPianoStatus (PianoCreateStation (&ph,
-								"mi", musicId));
-						free (musicId);
-					}
-					break;
-
-				case 'd':
-					if (curStation == NULL) {
-						BarUiMsg ("No station selected.\n");
-						break;
-					}
-					printf ("Really delete \"%s\"? [yn]\n",
-							curStation->name);
-					read (fileno (stdin), &yesnoBuf, sizeof (yesnoBuf));
-					if (yesnoBuf == 'y') {
-						BarUiMsg ("Deleting station... ");
-						if (BarUiPrintPianoStatus (PianoDeleteStation (&ph,
-								curStation)) == PIANO_RET_OK) {
-							player.doQuit = 1;
-							PianoDestroyPlaylist (&ph);
-							curSong = NULL;
-							curStation = NULL;
-						}
-					}
-					break;
-
-				case 'e':
-					if (curSong == NULL) {
-						BarUiMsg ("No song playing.\n");
-						break;
-					}
-					BarUiMsg ("Receiving explanation... ");
-					if (BarUiPrintPianoStatus (PianoExplain (&ph, curSong,
-							&explanation)) == PIANO_RET_OK) {
-						printf ("%s\n", explanation);
-						free (explanation);
-					}
-					break;
-
-				case 'g':
-					/* use genre station */
-					BarStationFromGenre (&ph);
-					break;
-
-				case 'i':
-					if (curStation == NULL || curSong == NULL) {
-						BarUiMsg ("No song playing.\n");
-						break;
-					}
-					/* print debug-alike infos */
-					printf ("Song infos:\n"
-							"album:\t%s\n"
-							"artist:\t%s\n"
-							"audioUrl:\t%s\n"
-							"fileGain:\t%f\n"
-							"focusTraitId:\t%s\n"
-							"identity:\t%s\n"
-							"matchingSeed:\t%s\n"
-							"musicId:\t%s\n"
-							"rating:\t%i\n"
-							"stationId:\t%s\n"
-							"title:\t%s\n"
-							"userSeed:\t%s\n",
-							curSong->album, curSong->artist, curSong->audioUrl,
-							curSong->fileGain, curSong->focusTraitId,
-							curSong->identity, curSong->matchingSeed,
-							curSong->musicId, curSong->rating,
-							curSong->stationId, curSong->title,
-							curSong->userSeed);
-					break;
-
-				case 'l':
-					if (curStation == NULL || curSong == NULL) {
-						BarUiMsg ("No song playing.\n");
-						break;
-					}
-					if (curSong->rating == PIANO_RATE_LOVE) {
-						BarUiMsg ("Already loved. No need to do this twice.\n");
-						break;
-					}
-					if (!BarTransformIfShared (&ph, curStation)) {
-						break;
-					}
-					BarUiMsg ("Loving song... ");
-					BarUiPrintPianoStatus (PianoRateTrack (&ph, curSong,
-							PIANO_RATE_LOVE));
+			curShortcut = settings.keys;
+			while (curShortcut != NULL) {
+				if (curShortcut->key == buf) {
+					curShortcut->cmd (&ph, &player, &settings, &curSong,
+							&curStation, &doQuit);
 					break;
-
-				case 'n':
-					player.doQuit = 1;
-					break;
-
-				case 'm':
-					if (curStation == NULL || curSong == NULL) {
-						BarUiMsg ("No song playing.\n");
-						break;
-					}
-					moveStation = BarUiSelectStation (&ph, "Move song to station: ");
-					if (moveStation != NULL) {
-						if (!BarTransformIfShared (&ph, curStation) ||
-								!BarTransformIfShared (&ph, moveStation)) {
-							break;
-						}
-						printf ("Moving song to \"%s\"... ", moveStation->name);
-						fflush (stdout);
-						if (BarUiPrintPianoStatus (PianoMoveSong (&ph,
-								curStation, moveStation, curSong)) ==
-								PIANO_RET_OK) {
-							player.doQuit = 1;
-						}
-					}
-					break;
-				
-				case 'p':
-					player.doPause = !player.doPause;
-					break;
-
-				case 'q':
-					doQuit = 1;
-					player.doQuit = 1;
-					break;
-
-				case 'r':
-					if (curStation == NULL) {
-						BarUiMsg ("No station selected.\n");
-						break;
-					}
-					lineBuf = readline ("New name?\n");
-					if (lineBuf != NULL && strlen (lineBuf) > 0) {
-						if (!BarTransformIfShared (&ph, curStation)) {
-							break;
-						}
-						BarUiMsg ("Renaming station... ");
-						BarUiPrintPianoStatus (PianoRenameStation (&ph,
-								curStation, lineBuf));
-					}
-					if (lineBuf != NULL) {
-						free (lineBuf);
-					}
-					break;
-
-				case 's':
-					player.doQuit = 1;
-					PianoDestroyPlaylist (&ph);
-					curSong = NULL;
-					curStation = BarUiSelectStation (&ph, "Select station: ");
-					if (curStation != NULL) {
-						printf ("Changed station to %s\n", curStation->name);
-					}
-					break;
-
-				case 't':
-					if (curStation == NULL || curSong == NULL) {
-						BarUiMsg ("No song playing.\n");
-						break;
-					}
-					if (!BarTransformIfShared (&ph, curStation)) {
-						break;
-					}
-					BarUiMsg ("Putting song on shelf... ");
-					if (BarUiPrintPianoStatus (PianoSongTired (&ph,
-							curSong)) == PIANO_RET_OK) {
-						player.doQuit = 1;
-					}
-					break;
-
-				case 'u':
-					if (curStation == NULL || curSong == NULL) {
-						BarUiMsg ("No song playing.\n");
-						break;
-					}
-					PianoSong_t *nextSong = curSong->next;
-					if (nextSong != NULL) {
-						int i = 0;
-						BarUiMsg ("Next songs:\n");
-						while (nextSong != NULL) {
-							printf ("%2i) \"%s\" by \"%s\"\n", i,
-									nextSong->title, nextSong->artist);
-							nextSong = nextSong->next;
-							i++;
-						}
-					} else {
-						BarUiMsg ("No songs in queue.\n");
-					}
-					break;
-				
-				case 'x':
-					if (curStation == NULL) {
-						BarUiMsg ("No station selected.\n");
-						break;
-					}
-					if (curStation->isQuickMix) {
-						PianoStation_t *selStation;
-						while ((selStation = BarUiSelectStation (&ph,
-								"Toggle quickmix for station: ")) != NULL) {
-							selStation->useQuickMix = !selStation->useQuickMix;
-						}
-						BarUiMsg ("Setting quickmix stations... ");
-						BarUiPrintPianoStatus (PianoSetQuickmix (&ph));
-					} else {
-						BarUiMsg ("Not a QuickMix station.\n");
-					}
-					break;
-
-			} /* end case */
-		} /* end poll */
+				}
+				curShortcut = curShortcut->next;
+			}
+		}
 
 		/* show time */
 		if (player.mode >= PLAYER_SAMPLESIZE_INITIALIZED &&
@@ -802,8 +223,8 @@ int main (int argc, char **argv) {
 			float songLength = BarSamplesToSeconds (player.samplerate,
 					player.channels, player.sampleSizeN);
 			float songRemaining = songLength -
-					BarSamplesToSeconds (player.samplerate, player.channels,
-							player.sampleSizeCurr);
+					BarSamplesToSeconds (player.samplerate,
+							player.channels, player.sampleSizeCurr);
 			printf ("-%02i:%02i/%02i:%02i\r", (int) songRemaining/60,
 					(int) songRemaining%60, (int) songLength/60,
 					(int) songLength%60);
@@ -821,7 +242,7 @@ int main (int argc, char **argv) {
 	curl_global_cleanup ();
 	ao_shutdown();
 	xmlCleanupParser ();
-	BarSettingsDestroy (&bsettings);
+	BarSettingsDestroy (&settings);
 
 	return 0;
 }
diff --git a/src/player.c b/src/player.c
index f2403bc..e49e5bb 100644
--- a/src/player.c
+++ b/src/player.c
@@ -20,6 +20,8 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 */
 
+/* receive/play audio stream */
+
 #include <unistd.h>
 #include <string.h>
 #include <math.h>
diff --git a/src/player.h b/src/player.h
index 94be1a4..e542d4d 100644
--- a/src/player.h
+++ b/src/player.h
@@ -20,6 +20,9 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 */
 
+#ifndef _PLAYER_H
+#define _PLAYER_H
+
 #include <curl/curl.h>
 #include <neaacdec.h>
 #include <ao/ao.h>
@@ -53,3 +56,4 @@ struct aacPlayer {
 
 void *BarPlayerThread (void *data);
 
+#endif /* _PLAYER_H */
diff --git a/src/settings.c b/src/settings.c
index ae34078..e756364 100644
--- a/src/settings.c
+++ b/src/settings.c
@@ -20,12 +20,15 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 */
 
+/* application settings */
+
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
 
 #include "settings.h"
 #include "config.h"
+#include "ui_act.h"
 
 /*	tries to guess your config dir; somehow conforming to
  *	http://standards.freedesktop.org/basedir-spec/basedir-spec-0.6.html
@@ -60,6 +63,15 @@ void BarSettingsInit (BarSettings_t *settings) {
 }
 
 void BarSettingsDestroy (BarSettings_t *settings) {
+	BarKeyShortcut_t *curShortcut, *lastShortcut;
+
+	while (curShortcut != NULL) {
+		lastShortcut = curShortcut;
+		curShortcut = curShortcut->next;
+		free (lastShortcut->description);
+		free (lastShortcut->configKey);
+		free (lastShortcut);
+	}
 	free (settings->controlProxy);
 	free (settings->username);
 	free (settings->password);
@@ -68,17 +80,79 @@ void BarSettingsDestroy (BarSettings_t *settings) {
 	memset (settings, 0, sizeof (*settings));
 }
 
+void BarSettingsAppendKey (BarKeyShortcut_t *shortcut,
+		BarSettings_t *settings) {
+	BarKeyShortcut_t *tmp = calloc (1, sizeof (*tmp));
+
+	/* copy shortcut */
+	memcpy (tmp, shortcut, sizeof (*tmp));
+	if (shortcut->description != NULL) {
+		tmp->description = strdup (shortcut->description);
+	}
+	if (shortcut->configKey != NULL) {
+		tmp->configKey = strdup (shortcut->configKey);
+	}
+
+	if (settings->keys == NULL) {
+		settings->keys = tmp;
+	} else {
+		BarKeyShortcut_t *curShortcut = settings->keys;
+		while (curShortcut->next != NULL) {
+			curShortcut = curShortcut->next;
+		}
+		curShortcut->next = tmp;
+	}
+}
+
 /*	read app settings from file; format is: key = value\n
  *	@param where to save these settings
  *	@return nothing yet
  */
 void BarSettingsRead (BarSettings_t *settings) {
+	/* FIXME: what is the max length of a path? */
 	char configfile[1024], key[256], val[256];
 	FILE *configfd;
+	BarKeyShortcut_t defaultKeys[] = {
+			{'?', BarUiActHelp, NULL, "act_help", NULL},
+			{'+', BarUiActLoveSong, "love current song", "act_songlove",
+				NULL},
+			{'-', BarUiActBanSong, "ban current song", "act_songban", NULL},
+			{'a', BarUiActAddMusic, "add music to current station",
+				"act_stationaddmusic", NULL},
+			{'c', BarUiActCreateStation, "create new station",
+				"act_stationcreate", NULL},
+			{'d', BarUiActDeleteStation, "delete current station",
+				"act_stationdelete", NULL},
+			{'e', BarUiActExplain, "explain why this song is played",
+				"act_songexplain", NULL},
+			{'g', BarUiActStationFromGenre, "add genre station",
+				"act_stationaddbygenre", NULL},
+			{'i', BarUiActSongInfo,
+				"print verbose information about current song",
+				"act_songinfo", NULL},
+			{'m', BarUiActMoveSong, "move song to different station",
+				"act_songmove", NULL},
+			{'n', BarUiActSkipSong, "next song", "act_songnext", NULL},
+			{'p', BarUiActPause, "pause/continue", "act_songpause", NULL},
+			{'q', BarUiActQuit, "quit", "act_quit", NULL},
+			{'r', BarUiActRenameStation, "rename current station",
+				"act_stationrename", NULL},
+			{'s', BarUiActSelectStation, "change station",
+				"act_stationchange", NULL},
+			{'t', BarUiActTempBanSong, "tired (ban song for 1 month)",
+				"act_songtired", NULL},
+			{'u', BarUiActPrintUpcoming, "upcoming songs", "act_upcoming",
+				NULL},
+			{'x', BarUiActSelectQuickMix, "select quickmix stations",
+				"act_stationselectquickmix", NULL},
+			};
+	BarKeyShortcut_t *curShortcut;
+	size_t i;
 
 	BarGetXdgConfigDir (PACKAGE "/config", configfile, sizeof (configfile));
 	if ((configfd = fopen (configfile, "r")) == NULL) {
 		printf ("config file at %s not found\n", configfile);
+		/* FIXME: what about setting default values? */
 		return;
 	}
 
@@ -120,6 +194,15 @@ void BarSettingsRead (BarSettings_t *settings) {
 			} else {
 				settings->disableSecureLogin = 0;
 			}
+		} else if (memcmp ("act_", key, 4) == 0) {
+			/* keyboard shortcuts */
+			for (i = 0; i < sizeof (defaultKeys) / sizeof (*defaultKeys);
+					i++) {
+				if (strcmp (defaultKeys[i].configKey, key) == 0) {
+					defaultKeys[i].key = val[0];
+					BarSettingsAppendKey (&defaultKeys[i], settings);
+				}
+			}
 		}
 	}
 
@@ -129,10 +212,27 @@ void BarSettingsRead (BarSettings_t *settings) {
 			settings->lastfmScrobblePercent > 100) {
 		settings->lastfmScrobblePercent = 50;
 	}
+
 	/* only scrobble tracks if username and password are set */
 	if (settings->lastfmUser != NULL && settings->lastfmPassword != NULL) {
 		settings->enableScrobbling = 1;
 	}
 
+	/* all actions available? append default actions if necessary */
+	for (i = 0; i < sizeof (defaultKeys) / sizeof (*defaultKeys); i++) {
+		char shortcutAvailable = 0;
+		curShortcut = settings->keys;
+		while (curShortcut != NULL) {
+			if (curShortcut->cmd == defaultKeys[i].cmd) {
+				shortcutAvailable = 1;
+				break;
+			}
+			curShortcut = curShortcut->next;
+		}
+		if (!shortcutAvailable) {
+			BarSettingsAppendKey (&defaultKeys[i], settings);
+		}
+	}
+
 	fclose (configfd);
 }
diff --git a/src/settings.h b/src/settings.h
index b9617c4..954e102 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -24,6 +24,13 @@ THE SOFTWARE.
 #define _SETTINGS_H
 
 #include <curl/curl.h>
+#include <piano.h>
+
+#include "player.h"
+
+#define BAR_KS_ARGS PianoHandle_t *ph, struct aacPlayer *player, \
+		struct BarSettings *settings, PianoSong_t **curSong, \
+		PianoStation_t **curStation, char *doQuit
 
 struct BarSettings {
 	char *username;
@@ -35,9 +42,17 @@ struct BarSettings {
 	unsigned char lastfmScrobblePercent;
 	char enableScrobbling;
 	char disableSecureLogin;
+	struct BarKeyShortcut {
+		char key;
+		void (*cmd) (BAR_KS_ARGS);
+		char *description;
+		char *configKey;
+		struct BarKeyShortcut *next;
+	} *keys;
 };
 
 typedef struct BarSettings BarSettings_t;
+typedef struct BarKeyShortcut BarKeyShortcut_t;
 
 void BarSettingsInit (BarSettings_t *settings);
 void BarSettingsDestroy (BarSettings_t *settings);
diff --git a/src/ui.c b/src/ui.c
new file mode 100644
index 0000000..a56fd06
--- /dev/null
+++ b/src/ui.c
@@ -0,0 +1,362 @@
+/*
+Copyright (c) 2008 Lars-Dominik Braun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+/* everything that interacts with the user */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <readline/readline.h>
+
+#include "ui.h"
+
+/*	output message and flush stdout
+ *	@param message
+ */
+inline void BarUiMsg (const char *msg) {
+	printf ("%s", msg);
+	fflush (stdout);
+}
+
+/*	prints human readable status message based on return value
+ *	@param piano return value
+ */
+inline PianoReturn_t BarUiPrintPianoStatus (PianoReturn_t ret) {
+	if (ret != PIANO_RET_OK) {
+		printf ("Error: %s\n", PianoErrorToStr (ret));
+	} else {
+		printf ("Ok.\n");
+	}
+	return ret;
+}
+
+/*	check whether complete string is numeric
+ *	@param the string
+ *	@return 1 = yes, 0 = not numeric
+ */
+char BarIsNumericStr (const char *str) {
+	while (*str != '\0') {
+		if (isdigit (*str) == 0) {
+			return 0;
+		}
+		str++;
+	}
+	return 1;
+}
+
+/*	use readline to get integer value
+ *	@param prompt or NULL
+ *	@param returns integer
+ *	@return 1 = success, 0 = failure (not an integer, ...)
+ */
+char BarReadlineInt (const char *prompt, int *retVal) {
+	char *buf;
+	char ret = 0;
+
+	if ((buf = readline (prompt)) != NULL && strlen (buf) > 0 &&
+			BarIsNumericStr (buf)) {
+		*retVal = atoi (buf);
+		ret = 1;
+	}
+	if (buf != NULL) {
+		free (buf);
+	}
+	return ret;
+}
+
+/* sort linked list (station); attention: this is a
+ * "i-had-no-clue-what-to-do-algo", but it works.
+ * @param stations
+ * @return NULL-terminated array with sorted stations
+ */
+PianoStation_t **BarSortedStations (PianoStation_t *unsortedStations) {
+	PianoStation_t *currStation, **sortedStations, **currSortedStation;
+	PianoStation_t *oldStation, *veryOldStation;
+	size_t unsortedStationsN = 0;
+	char inserted;
+
+	/* get size */
+	currStation = unsortedStations;
+	while (currStation != NULL) {
+		unsortedStationsN++;
+		currStation = currStation->next;
+	}
+	sortedStations = calloc (unsortedStationsN+1, sizeof (*sortedStations));
+
+	currStation = unsortedStations;
+	while (currStation != NULL) {
+		currSortedStation = sortedStations;
+		inserted = 0;
+		while (*currSortedStation != NULL && !inserted) {
+			/* item has to be inserted _before_ current item? */
+			/* FIXME: this doesn't handle multibyte chars correctly */
+			if (strcasecmp (currStation->name,
+					(*currSortedStation)->name) < 0) {
+				oldStation = *currSortedStation;
+				*currSortedStation = currStation;
+				currSortedStation++;
+				/* move items */
+				while (*currSortedStation != NULL) {
+					veryOldStation = *currSortedStation;
+					*currSortedStation = oldStation;
+					oldStation = veryOldStation;
+					currSortedStation++;
+				}
+				/* append last item */
+				if (oldStation != NULL) {
+					*currSortedStation = oldStation;
+				}
+				inserted = 1;
+			}
+			currSortedStation++;
+		}
+		/* item could not be inserted: append */
+		if (!inserted) {
+			*currSortedStation = currStation;
+		}
+		currStation = currStation->next;
+	}
+	return sortedStations;
+}
+
+/*	let user pick one station
+ *	@param piano handle
+ *	@return pointer to selected station or NULL
+ */
+PianoStation_t *BarUiSelectStation (PianoHandle_t *ph, const char *prompt) {
+	PianoStation_t **ss = NULL, **ssCurr = NULL, *retStation;
+	int i = 0;
+
+	ss = BarSortedStations (ph->stations);
+	ssCurr = ss;
+	while (*ssCurr != NULL) {
+		printf ("%2i) %c%c%c %s\n", i,
+				(*ssCurr)->useQuickMix ? 'q' : ' ',
+				(*ssCurr)->isQuickMix ? 'Q' : ' ',
+				!(*ssCurr)->isCreator ? 'S' : ' ',
+				(*ssCurr)->name);
+		ssCurr++;
+		i++;
+	}
+
+	if (!BarReadlineInt (prompt, &i)) {
+		return NULL;
+	}
+	ssCurr = ss;
+	while (*ssCurr != NULL && i > 0) {
+		ssCurr++;
+		i--;
+	}
+	retStation = *ssCurr;
+	free (ss);
+	return retStation;
+}
+
+/*	let user pick one song
+ *	@param song list
+ *	@return pointer to selected item in song list or NULL
+ */
+PianoSong_t *BarUiSelectSong (PianoSong_t *startSong) {
+	PianoSong_t *tmpSong = NULL;
+	int i = 0;
+
+	tmpSong = startSong;
+	while (tmpSong != NULL) {
+		printf ("%2u) %s - %s\n", i, tmpSong->artist, tmpSong->title);
+		i++;
+		tmpSong = tmpSong->next;
+	}
+	if (!BarReadlineInt ("Select song: ", &i)) {
+		return NULL;
+	}
+	tmpSong = startSong;
+	while (tmpSong != NULL && i > 0) {
+		tmpSong = tmpSong->next;
+		i--;
+	}
+	return tmpSong;
+}
+
+/*	let user pick one artist
+ *	@param artists (linked list)
+ *	@return pointer to selected artist or NULL on abort
+ */
+PianoArtist_t *BarUiSelectArtist (PianoArtist_t *startArtist) {
+	PianoArtist_t *tmpArtist = NULL;
+	int i = 0;
+
+	tmpArtist = startArtist;
+	while (tmpArtist != NULL) {
+		printf ("%2u) %s\n", i, tmpArtist->name);
+		i++;
+		tmpArtist = tmpArtist->next;
+	}
+	if (!BarReadlineInt ("Select artist: ", &i)) {
+		return NULL;
+	}
+	tmpArtist = startArtist;
+	while (tmpArtist != NULL && i > 0) {
+		tmpArtist = tmpArtist->next;
+		i--;
+	}
+	return tmpArtist;
+}
+
+/*	search music: query, search request, return music id
+ *	@param piano handle
+ *	@return musicId or NULL on abort/error
+ */
+char *BarUiSelectMusicId (const PianoHandle_t *ph) {
+	char *musicId = NULL, *lineBuf;
+	char yesnoBuf;
+	PianoSearchResult_t searchResult;
+	PianoArtist_t *tmpArtist;
+	PianoSong_t *tmpSong;
+
+	lineBuf = readline ("Search for artist/title: ");
+	if (lineBuf != NULL && strlen (lineBuf) > 0) {
+		BarUiMsg ("Searching... ");
+		if (BarUiPrintPianoStatus (PianoSearchMusic (ph, lineBuf,
+				&searchResult)) != PIANO_RET_OK) {
+			free (lineBuf);
+			return NULL;
+		}
+		BarUiMsg ("\r");
+		if (searchResult.songs != NULL && searchResult.artists != NULL) {
+			BarUiMsg ("Is this an [a]rtist or [t]rack name? Press c to abort.\n");
+			read (fileno (stdin), &yesnoBuf, sizeof (yesnoBuf));
+			if (yesnoBuf == 'a') {
+				tmpArtist = BarUiSelectArtist (searchResult.artists);
+				if (tmpArtist != NULL) {
+					musicId = strdup (tmpArtist->musicId);
+				}
+			} else if (yesnoBuf == 't') {
+				tmpSong = BarUiSelectSong (searchResult.songs);
+				if (tmpSong != NULL) {
+					musicId = strdup (tmpSong->musicId);
+				}
+			} else {
+				BarUiMsg ("Aborted.\n");
+			}
+		} else if (searchResult.songs != NULL) {
+			tmpSong = BarUiSelectSong (searchResult.songs);
+			if (tmpSong != NULL) {
+				musicId = strdup (tmpSong->musicId);
+			} else {
+				BarUiMsg ("Aborted.\n");
+			}
+		} else if (searchResult.artists != NULL) {
+			tmpArtist = BarUiSelectArtist (searchResult.artists);
+			if (tmpArtist != NULL) {
+				musicId = strdup (tmpArtist->musicId);
+			} else {
+				BarUiMsg ("Aborted.\n");
+			}
+		} else {
+			BarUiMsg ("Nothing found...\n");
+		}
+		PianoDestroySearchResult (&searchResult);
+	} else {
+		BarUiMsg ("Aborted.\n");
+	}
+	if (lineBuf != NULL) {
+		free (lineBuf);
+	}
+
+	return musicId;
+}
+
+/*	browse genre stations and create shared station
+ *	@param piano handle
+ */
+void BarStationFromGenre (PianoHandle_t *ph) {
+	int i;
+	PianoGenreCategory_t *curCat;
+	PianoStation_t *curStation;
+
+	/* receive genre stations list if not yet available */
+	if (ph->genreStations == NULL) {
+		BarUiMsg ("Receiving genre stations... ");
+		if (BarUiPrintPianoStatus (PianoGetGenreStations (ph)) !=
+				PIANO_RET_OK) {
+			return;
+		}
+	}
+
+	/* print all available categories */
+	curCat = ph->genreStations;
+	i = 0;
+	while (curCat != NULL) {
+		printf ("%2i) %s\n", i, curCat->name);
+		i++;
+		curCat = curCat->next;
+	}
+	/* select category or exit */
+	if (!BarReadlineInt (NULL, &i)) {
+		BarUiMsg ("Aborted.\n");
+		return;
+	}
+	curCat = ph->genreStations;
+	while (curCat != NULL && i > 0) {
+		curCat = curCat->next;
+		i--;
+	}
+	
+	/* print all available stations */
+	curStation = curCat->stations;
+	i = 0;
+	while (curStation != NULL) {
+		printf ("%2i) %s\n", i, curStation->name);
+		i++;
+		curStation = curStation->next;
+	}
+	if (!BarReadlineInt (NULL, &i)) {
+		BarUiMsg ("Aborted.\n");
+		return;
+	}
+	curStation = curCat->stations;
+	while (curStation != NULL && i > 0) {
+		curStation = curStation->next;
+		i--;
+	}
+	/* create station */
+	printf ("Adding shared station \"%s\"... ", curStation->name);
+	fflush (stdout);
+	BarUiPrintPianoStatus (PianoCreateStation (ph, "sh", curStation->id));
+}
+
+/*	transform station if necessary to allow changes like rename, rate, ...
+ *	@param piano handle
+ *	@param transform this station
+ *	@return 0 = error, 1 = everything went well
+ */
+int BarTransformIfShared (PianoHandle_t *ph, PianoStation_t *station) {
+	/* shared stations must be transformed */
+	if (!station->isCreator) {
+		BarUiMsg ("Transforming station... ");
+		if (BarUiPrintPianoStatus (PianoTransformShared (ph, station)) !=
+				PIANO_RET_OK) {
+			return 0;
+		}
+	}
+	return 1;
+}
diff --git a/src/ui.h b/src/ui.h
new file mode 100644
index 0000000..91617bd
--- /dev/null
+++ b/src/ui.h
@@ -0,0 +1,36 @@
+/*
+Copyright (c) 2008 Lars-Dominik Braun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#ifndef _UI_H
+#define _UI_H
+
+#include <piano.h>
+
+inline void BarUiMsg (const char *msg);
+inline PianoReturn_t BarUiPrintPianoStatus (PianoReturn_t ret);
+PianoStation_t *BarUiSelectStation (PianoHandle_t *ph, const char *prompt);
+PianoSong_t *BarUiSelectSong (PianoSong_t *startSong);
+PianoArtist_t *BarUiSelectArtist (PianoArtist_t *startArtist);
+char *BarUiSelectMusicId (const PianoHandle_t *ph);
+void BarStationFromGenre (PianoHandle_t *ph);
+
+#endif /* _UI_H */
diff --git a/src/ui_act.c b/src/ui_act.c
new file mode 100644
index 0000000..57ac9af
--- /dev/null
+++ b/src/ui_act.c
@@ -0,0 +1,288 @@
+/*
+Copyright (c) 2008 Lars-Dominik Braun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+/* functions responding to user's keystrokes */
+
+#include <string.h>
+/* needed by readline */
+#include <stdio.h>
+#include <readline/readline.h>
+
+#include "ui.h"
+#include "ui_act.h"
+
+void BarUiActHelp (BAR_KS_ARGS) {
+	BarKeyShortcut_t *curShortcut = settings->keys;
+
+	printf ("\r");
+	while (curShortcut != NULL) {
+		if (curShortcut->description != NULL) {
+			printf ("%c\t%s\n", curShortcut->key, curShortcut->description);
+		}
+		curShortcut = curShortcut->next;
+	}
+}
+
+void BarUiActAddMusic (BAR_KS_ARGS) {
+	char *musicId;
+	if (*curStation == NULL) {
+		BarUiMsg ("No station selected.\n");
+		return;
+	}
+	musicId = BarUiSelectMusicId (ph);
+	if (musicId == NULL) {
+		if (!BarTransformIfShared (ph, *curStation)) {
+			return;
+		}
+		BarUiMsg ("Adding music to station... ");
+		BarUiPrintPianoStatus (PianoStationAddMusic (ph,
+				*curStation, musicId));
+		free (musicId);
+	}
+}
+
+void BarUiActBanSong (BAR_KS_ARGS) {
+	if (*curStation == NULL || *curSong == NULL) {
+		BarUiMsg ("No song playing.\n");
+		return;
+	}
+	if (!BarTransformIfShared (ph, *curStation)) {
+		return;
+	}
+	BarUiMsg ("Banning song... ");
+	if (BarUiPrintPianoStatus (PianoRateTrack (ph, *curSong,
+			PIANO_RATE_BAN)) == PIANO_RET_OK) {
+		player->doQuit = 1;
+	}
+}
+
+void BarUiActCreateStation (BAR_KS_ARGS) {
+	char *musicId;
+	musicId = BarUiSelectMusicId (ph);
+	if (musicId != NULL) {
+		BarUiMsg ("Creating station... ");
+		BarUiPrintPianoStatus (PianoCreateStation (ph, "mi", musicId));
+		free (musicId);
+	}
+}
+
+void BarUiActDeleteStation (BAR_KS_ARGS) {
+	char yesNoBuf;
+
+	if (*curStation == NULL) {
+		BarUiMsg ("No station selected.\n");
+		return;
+	}
+	printf ("Really delete \"%s\"? [yn]\n", (*curStation)->name);
+	read (fileno (stdin), &yesNoBuf, sizeof (yesNoBuf));
+	if (yesNoBuf == 'y') {
+		BarUiMsg ("Deleting station... ");
+		if (BarUiPrintPianoStatus (PianoDeleteStation (ph,
+				*curStation)) == PIANO_RET_OK) {
+			player->doQuit = 1;
+			PianoDestroyPlaylist (ph);
+			*curSong = NULL;
+			*curStation = NULL;
+		}
+	}
+}
+
+void BarUiActExplain (BAR_KS_ARGS) {
+	char *explanation;
+
+	if (*curSong == NULL) {
+		BarUiMsg ("No song playing.\n");
+		return;
+	}
+	BarUiMsg ("Receiving explanation... ");
+	if (BarUiPrintPianoStatus (PianoExplain (ph, *curSong,
+			&explanation)) == PIANO_RET_OK) {
+		printf ("%s\n", explanation);
+		free (explanation);
+	}
+}
+
+void BarUiActStationFromGenre (BAR_KS_ARGS) {
+	/* use genre station */
+	BarStationFromGenre (ph);
+}
+
+void BarUiActSongInfo (BAR_KS_ARGS) {
+	if (*curStation == NULL || *curSong == NULL) {
+		BarUiMsg ("No song playing.\n");
+		return;
+	}
+	/* print debug-alike infos */
+	printf ("Song infos:\n"
+			"album:\t%s\n"
+			"artist:\t%s\n"
+			"audioUrl:\t%s\n"
+			"fileGain:\t%f\n"
+			"focusTraitId:\t%s\n"
+			"identity:\t%s\n"
+			"matchingSeed:\t%s\n"
+			"musicId:\t%s\n"
+			"rating:\t%i\n"
+			"stationId:\t%s\n"
+			"title:\t%s\n"
+			"userSeed:\t%s\n",
+			(*curSong)->album, (*curSong)->artist, (*curSong)->audioUrl,
+			(*curSong)->fileGain, (*curSong)->focusTraitId,
+			(*curSong)->identity, (*curSong)->matchingSeed,
+			(*curSong)->musicId, (*curSong)->rating,
+			(*curSong)->stationId, (*curSong)->title,
+			(*curSong)->userSeed);
+}
+
+void BarUiActLoveSong (BAR_KS_ARGS) {
+	if (*curStation == NULL || *curSong == NULL) {
+		BarUiMsg ("No song playing.\n");
+		return;
+	}
+	if ((*curSong)->rating == PIANO_RATE_LOVE) {
+		BarUiMsg ("Already loved. No need to do this twice.\n");
+		return;
+	}
+	if (!BarTransformIfShared (ph, *curStation)) {
+		return;
+	}
+	BarUiMsg ("Loving song... ");
+	BarUiPrintPianoStatus (PianoRateTrack (ph, *curSong, PIANO_RATE_LOVE));
+}
+
+void BarUiActSkipSong (BAR_KS_ARGS) {
+	player->doQuit = 1;
+}
+
+void BarUiActMoveSong (BAR_KS_ARGS) {
+	PianoStation_t *moveStation;
+
+	if (*curStation == NULL || *curSong == NULL) {
+		BarUiMsg ("No song playing.\n");
+		return;
+	}
+	moveStation = BarUiSelectStation (ph, "Move song to station: ");
+	if (moveStation != NULL) {
+		if (!BarTransformIfShared (ph, *curStation) ||
+				!BarTransformIfShared (ph, moveStation)) {
+			return;
+		}
+		printf ("Moving song to \"%s\"... ", moveStation->name);
+		fflush (stdout);
+		if (BarUiPrintPianoStatus (PianoMoveSong (ph, *curStation,
+				moveStation, *curSong)) == PIANO_RET_OK) {
+			player->doQuit = 1;
+		}
+	}
+}
+
+void BarUiActPause (BAR_KS_ARGS) {
+	player->doPause = !player->doPause;
+}
+
+void BarUiActRenameStation (BAR_KS_ARGS) {
+	char *lineBuf;
+
+	if (*curStation == NULL) {
+		BarUiMsg ("No station selected.\n");
+		return;
+	}
+	lineBuf = readline ("New name?\n");
+	if (lineBuf != NULL && strlen (lineBuf) > 0) {
+		if (!BarTransformIfShared (ph, *curStation)) {
+			return;
+		}
+		BarUiMsg ("Renaming station... ");
+		BarUiPrintPianoStatus (PianoRenameStation (ph, *curStation, lineBuf));
+	}
+	if (lineBuf != NULL) {
+		free (lineBuf);
+	}
+}
+
+void BarUiActSelectStation (BAR_KS_ARGS) {
+	player->doQuit = 1;
+	PianoDestroyPlaylist (ph);
+	*curSong = NULL;
+	*curStation = BarUiSelectStation (ph, "Select station: ");
+	if (*curStation != NULL) {
+		printf ("Changed station to %s\n", (*curStation)->name);
+	}
+}
+
+void BarUiActTempBanSong (BAR_KS_ARGS) {
+	if (*curStation == NULL || *curSong == NULL) {
+		BarUiMsg ("No song playing.\n");
+		return;
+	}
+	if (!BarTransformIfShared (ph, *curStation)) {
+		return;
+	}
+	BarUiMsg ("Putting song on shelf... ");
+	if (BarUiPrintPianoStatus (PianoSongTired (ph, *curSong)) ==
+			PIANO_RET_OK) {
+		player->doQuit = 1;
+	}
+}
+
+void BarUiActPrintUpcoming (BAR_KS_ARGS) {
+	if (*curStation == NULL || *curSong == NULL) {
+		BarUiMsg ("No song playing.\n");
+		return;
+	}
+	PianoSong_t *nextSong = (*curSong)->next;
+	if (nextSong != NULL) {
+		int i = 0;
+		BarUiMsg ("Next songs:\n");
+		while (nextSong != NULL) {
+			printf ("%2i) \"%s\" by \"%s\"\n", i, nextSong->title,
+					nextSong->artist);
+			nextSong = nextSong->next;
+			i++;
+		}
+	} else {
+		BarUiMsg ("No songs in queue.\n");
+	}
+}
+
+void BarUiActSelectQuickMix (BAR_KS_ARGS) {
+	if (*curStation == NULL) {
+		BarUiMsg ("No station selected.\n");
+		return;
+	}
+	if ((*curStation)->isQuickMix) {
+		PianoStation_t *selStation;
+		while ((selStation = BarUiSelectStation (ph,
+				"Toggle quickmix for station: ")) != NULL) {
+			selStation->useQuickMix = !selStation->useQuickMix;
+		}
+		BarUiMsg ("Setting quickmix stations... ");
+		BarUiPrintPianoStatus (PianoSetQuickmix (ph));
+	} else {
+		BarUiMsg ("Not a QuickMix station.\n");
+	}
+}
+
+void BarUiActQuit (BAR_KS_ARGS) {
+	*doQuit = 1;
+	player->doQuit = 1;
+}
diff --git a/src/ui_act.h b/src/ui_act.h
new file mode 100644
index 0000000..fdcce8c
--- /dev/null
+++ b/src/ui_act.h
@@ -0,0 +1,47 @@
+/*
+Copyright (c) 2008 Lars-Dominik Braun
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#ifndef _UI_ACT_H
+#define _UI_ACT_H
+
+#include "settings.h"
+
+void BarUiActHelp (BAR_KS_ARGS);
+void BarUiActAddMusic (BAR_KS_ARGS);
+void BarUiActBanSong (BAR_KS_ARGS);
+void BarUiActCreateStation (BAR_KS_ARGS);
+void BarUiActDeleteStation (BAR_KS_ARGS);
+void BarUiActExplain (BAR_KS_ARGS);
+void BarUiActStationFromGenre (BAR_KS_ARGS);
+void BarUiActSongInfo (BAR_KS_ARGS);
+void BarUiActLoveSong (BAR_KS_ARGS);
+void BarUiActSkipSong (BAR_KS_ARGS);
+void BarUiActMoveSong (BAR_KS_ARGS);
+void BarUiActPause (BAR_KS_ARGS);
+void BarUiActRenameStation (BAR_KS_ARGS);
+void BarUiActSelectStation (BAR_KS_ARGS);
+void BarUiActTempBanSong (BAR_KS_ARGS);
+void BarUiActPrintUpcoming (BAR_KS_ARGS);
+void BarUiActSelectQuickMix (BAR_KS_ARGS);
+void BarUiActQuit (BAR_KS_ARGS);
+
+#endif /* _UI_ACT_H */