/* Print list of songs
* @param pianobar settings
* @param linked list of songs
* @param artist/song filter string
* @return # of songs
*/
size_t BarUiListSongs (const BarSettings_t *settings,
const PianoSong_t *song, const char *filter) {
size_t i = 0;
char digits[4];
while (song != NULL) {
if (filter == NULL ||
(filter != NULL && (BarStrCaseStr (song->artist, filter) != NULL ||
BarStrCaseStr (song->title, filter) != NULL))) {
char outstr[512];
const char *vals[] = {digits, song->artist, song->title,
(song->rating == PIANO_RATE_LOVE) ? settings->loveIcon :
((song->rating == PIANO_RATE_BAN) ? settings->banIcon : "")};
snprintf (digits, sizeof (digits) / sizeof (*digits), "%2zu", i);
BarUiCustomFormat (outstr, sizeof (outstr), settings->listSongFormat,
"iatr", vals);
BarUiAppendNewline (outstr, sizeof (outstr));
BarUiMsg (settings, MSG_LIST, "%s", outstr);
}
i++;
song = song->next;
}
return i;
}
/* let user pick one artist
* @param app handle
* @param artists (linked list)
* @return pointer to selected artist or NULL on abort
*/
PianoArtist_t *BarUiSelectArtist (BarApp_t *app, PianoArtist_t *startArtist) {
PianoArtist_t *tmpArtist = NULL;
char buf[100];
unsigned long i;
memset (buf, 0, sizeof (buf));
do {
/* print all artists */
i = 0;
tmpArtist = startArtist;
PianoListForeachP (tmpArtist) {
if (BarStrCaseStr (tmpArtist->name, buf) != NULL) {
BarUiMsg (&app->settings, MSG_LIST, "%2lu) %s\n", i,
tmpArtist->name);
}
i++;
}
BarUiMsg (&app->settings, MSG_QUESTION, "Select artist: ");
if (BarReadlineStr (buf, sizeof (buf), &app->input,
BAR_RL_DEFAULT) == 0) {
return NULL;
}
if (isnumeric (buf)) {
i = strtoul (buf, NULL, 0);
tmpArtist = PianoListGetP (startArtist, i);
}
} while (tmpArtist == NULL);
return tmpArtist;
}
/* 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;
}
/* 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;
}
