/* let user pick one station
* @param piano handle
* @return pointer to selected station or NULL
*/
PianoStation_t *BarUiSelectStation (PianoHandle_t *ph, const char *prompt,
BarStationSorting_t order, FILE *curFd) {
PianoStation_t **sortedStations = NULL, *retStation = NULL;
size_t stationCount, i;
int input;
/* sort and print stations */
sortedStations = BarSortedStations (ph->stations, &stationCount, order);
for (i = 0; i < stationCount; i++) {
const PianoStation_t *currStation = sortedStations[i];
BarUiMsg (MSG_LIST, "%2i) %c%c%c %s\n", i,
currStation->useQuickMix ? 'q' : ' ',
currStation->isQuickMix ? 'Q' : ' ',
!currStation->isCreator ? 'S' : ' ',
currStation->name);
}
BarUiMsg (MSG_QUESTION, prompt);
/* FIXME: using a _signed_ int is ugly */
if (BarReadlineInt (&input, curFd) == 0) {
free (sortedStations);
return NULL;
}
if (input < stationCount) {
retStation = sortedStations[input];
}
free (sortedStations);
return retStation;
}
/* let user pick one station
* @param app handle
* @param prompt string
* @param called if input was not a number
* @return pointer to selected station or NULL
*/
PianoStation_t *BarUiSelectStation (BarApp_t *app, PianoStation_t *stations,
const char *prompt, BarUiSelectStationCallback_t callback) {
PianoStation_t **sortedStations = NULL, *retStation = NULL;
size_t stationCount, i;
char buf[100];
if (stations == NULL) {
BarUiMsg (&app->settings, MSG_ERR, "No station available.\n");
return NULL;
}
memset (buf, 0, sizeof (buf));
/* sort and print stations */
sortedStations = BarSortedStations (stations, &stationCount,
app->settings.sortOrder);
do {
for (i = 0; i < stationCount; i++) {
const PianoStation_t *currStation = sortedStations[i];
/* filter stations */
if (BarStrCaseStr (currStation->name, buf) != NULL) {
BarUiMsg (&app->settings, MSG_LIST, "%2i) %c%c%c %s\n", i,
currStation->useQuickMix ? 'q' : ' ',
currStation->isQuickMix ? 'Q' : ' ',
!currStation->isCreator ? 'S' : ' ',
currStation->name);
}
}
BarUiMsg (&app->settings, MSG_QUESTION, prompt);
if (BarReadlineStr (buf, sizeof (buf), &app->input,
BAR_RL_DEFAULT) == 0) {
free (sortedStations);
return NULL;
}
if (isnumeric (buf)) {
unsigned long selected = strtoul (buf, NULL, 0);
if (selected < stationCount) {
retStation = sortedStations[selected];
}
}
/* hand over buffer to external function if it was not a station number */
if (retStation == NULL && callback != NULL) {
callback (app, buf);
}
} while (retStation == NULL);
free (sortedStations);
return retStation;
}
/* Excute external event handler
* @param settings containing the cmdline
* @param event type
* @param current station
* @param current song
* @param piano error-code (PIANO_RET_OK if not applicable)
* @param waitress error-code (WAITRESS_RET_OK if not applicable)
*/
void BarUiStartEventCmd (const BarSettings_t *settings, const char *type,
const PianoStation_t *curStation, const PianoSong_t *curSong,
const struct audioPlayer *player, PianoStation_t *stations,
PianoReturn_t pRet, WaitressReturn_t wRet) {
pid_t chld;
int pipeFd[2];
if (settings->eventCmd == NULL) {
/* nothing to do... */
return;
}
if (pipe (pipeFd) == -1) {
BarUiMsg (settings, MSG_ERR, "Cannot create eventcmd pipe. (%s)\n", strerror (errno));
return;
}
chld = fork ();
if (chld == 0) {
/* child */
close (pipeFd[1]);
dup2 (pipeFd[0], fileno (stdin));
execl (settings->eventCmd, settings->eventCmd, type, (char *) NULL);
BarUiMsg (settings, MSG_ERR, "Cannot start eventcmd. (%s)\n", strerror (errno));
close (pipeFd[0]);
exit (1);
} else if (chld == -1) {
BarUiMsg (settings, MSG_ERR, "Cannot fork eventcmd. (%s)\n", strerror (errno));
} else {
/* parent */
int status;
PianoStation_t *songStation = NULL;
FILE *pipeWriteFd;
close (pipeFd[0]);
pipeWriteFd = fdopen (pipeFd[1], "w");
if (curSong != NULL && stations != NULL && curStation->isQuickMix) {
songStation = PianoFindStationById (stations, curSong->stationId);
}
fprintf (pipeWriteFd,
"artist=%s\n"
"title=%s\n"
"album=%s\n"
"coverArt=%s\n"
"stationName=%s\n"
"songStationName=%s\n"
"pRet=%i\n"
"pRetStr=%s\n"
"wRet=%i\n"
"wRetStr=%s\n"
"songDuration=%lu\n"
"songPlayed=%lu\n"
"rating=%i\n"
"detailUrl=%s\n",
curSong == NULL ? "" : curSong->artist,
curSong == NULL ? "" : curSong->title,
curSong == NULL ? "" : curSong->album,
curSong == NULL ? "" : curSong->coverArt,
curStation == NULL ? "" : curStation->name,
songStation == NULL ? "" : songStation->name,
pRet,
PianoErrorToStr (pRet),
wRet,
WaitressErrorToStr (wRet),
player->songDuration,
player->songPlayed,
curSong == NULL ? PIANO_RATE_NONE : curSong->rating,
curSong == NULL ? "" : curSong->detailUrl
);
if (stations != NULL) {
/* send station list */
PianoStation_t **sortedStations = NULL;
size_t stationCount;
sortedStations = BarSortedStations (stations, &stationCount,
settings->sortOrder);
assert (sortedStations != NULL);
fprintf (pipeWriteFd, "stationCount=%zd\n", stationCount);
for (size_t i = 0; i < stationCount; i++) {
const PianoStation_t *currStation = sortedStations[i];
fprintf (pipeWriteFd, "station%zd=%s\n", i,
currStation->name);
}
free (sortedStations);
} else {
const char * const msg = "stationCount=0\n";
fwrite (msg, sizeof (*msg), strlen (msg), pipeWriteFd);
}
/* closes pipeFd[1] as well */
fclose (pipeWriteFd);
/* wait to get rid of the zombie */
waitpid (chld, &status, 0);
}
}
/* Excute external event handler
* @param settings containing the cmdline
* @param event type
* @param current station
* @param current song
* @param piano error-code (PIANO_RET_OK if not applicable)
* @param waitress error-code (WAITRESS_RET_OK if not applicable)
*/
void BarUiStartEventCmd (const BarSettings_t *settings, const char *type,
const PianoStation_t *curStation, const PianoSong_t *curSong,
const struct audioPlayer *player, PianoStation_t *stations,
PianoReturn_t pRet, WaitressReturn_t wRet) {
int status;
PianoStation_t *songStation = NULL;
if (curSong != NULL && stations != NULL && curStation->isQuickMix) {
songStation = PianoFindStationById (stations, curSong->stationId);
}
printf ("current\tartist=%s\n"
"current\ttitle=%s\n"
"current\talbum=%s\n"
"current\tcoverArt=%s\n"
"current\tstationName=%s\n"
"songStationName=%s\n"
"pRet=%i\n"
"pRetStr=%s\n"
"wRet=%i\n"
"wRetStr=%s\n"
"songDuration=%lu\n"
"songPlayed=%lu\n"
"rating=%i\n"
"detailUrl=%s\n",
curSong == NULL ? "" : curSong->artist,
curSong == NULL ? "" : curSong->title,
curSong == NULL ? "" : curSong->album,
curSong == NULL ? "" : curSong->coverArt,
curStation == NULL ? "" : curStation->name,
songStation == NULL ? "" : songStation->name,
pRet,
PianoErrorToStr (pRet),
wRet,
WaitressErrorToStr (wRet),
player->songDuration,
player->songPlayed,
curSong == NULL ? PIANO_RATE_NONE : curSong->rating,
curSong == NULL ? "" : curSong->detailUrl
);
if (stations != NULL) {
/* send station list */
PianoStation_t **sortedStations = NULL;
size_t stationCount;
sortedStations = BarSortedStations (stations, &stationCount,
settings->sortOrder);
assert (sortedStations != NULL);
printf ("station\tstationCount=%zd\n", stationCount);
for (size_t i = 0; i < stationCount; i++) {
const PianoStation_t *currStation = sortedStations[i];
printf ("station\tstation%zd=%s\n", i,
currStation->name);
}
free (sortedStations);
}
}
/* let user pick one station
* @param app handle
* @param stations that should be listed
* @param prompt string
* @param called if input was not a number
* @param auto-select if only one station remains after filtering
* @return pointer to selected station or NULL
*/
PianoStation_t *BarUiSelectStation (BarApp_t *app, PianoStation_t *stations,
const char *prompt, BarUiSelectStationCallback_t callback,
bool autoselect) {
PianoStation_t **sortedStations = NULL, *retStation = NULL;
size_t stationCount, i, lastDisplayed, displayCount;
char buf[100];
if (stations == NULL) {
BarUiMsg (&app->settings, MSG_ERR, "No station available.\n");
return NULL;
}
memset (buf, 0, sizeof (buf));
/* sort and print stations */
sortedStations = BarSortedStations (stations, &stationCount,
app->settings.sortOrder);
do {
displayCount = 0;
for (i = 0; i < stationCount; i++) {
const PianoStation_t *currStation = sortedStations[i];
/* filter stations */
if (BarStrCaseStr (currStation->name, buf) != NULL) {
BarUiMsg (&app->settings, MSG_LIST, "%2zi) %c%c%c %s\n", i,
currStation->useQuickMix ? 'q' : ' ',
currStation->isQuickMix ? 'Q' : ' ',
!currStation->isCreator ? 'S' : ' ',
currStation->name);
++displayCount;
lastDisplayed = i;
}
}
BarUiMsg (&app->settings, MSG_QUESTION, "%s", prompt);
if (autoselect && displayCount == 1 && stationCount != 1) {
/* auto-select last remaining station */
BarUiMsg (&app->settings, MSG_NONE, "%zi\n", lastDisplayed);
retStation = sortedStations[lastDisplayed];
} else {
if (BarReadlineStr (buf, sizeof (buf), app->rl,
BAR_RL_DEFAULT) == 0) {
break;
}
if (isnumeric (buf)) {
unsigned long selected = strtoul (buf, NULL, 0);
if (selected < stationCount) {
retStation = sortedStations[selected];
}
}
/* hand over buffer to external function if it was not a station number */
if (retStation == NULL && callback != NULL) {
callback (app, buf);
}
}
} while (retStation == NULL);
free (sortedStations);
return retStation;
}
