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author | Lars-Dominik Braun <PromyLOPh@gmail.com> | 2008-08-19 10:35:06 +0200 |
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committer | Lars-Dominik Braun <PromyLOPh@gmail.com> | 2008-08-19 10:35:06 +0200 |
commit | b41828790865da036488dc21fe5f9fbc2001db0e (patch) | |
tree | b95fd1f576d35ae04862604301f7ffdc78475630 /src/ui.c | |
parent | 69c04691c486aaf39cbe3c70e9e3cb47a2ad934a (diff) | |
download | pianobar-windows-b41828790865da036488dc21fe5f9fbc2001db0e.tar.gz pianobar-windows-b41828790865da036488dc21fe5f9fbc2001db0e.tar.bz2 pianobar-windows-b41828790865da036488dc21fe5f9fbc2001db0e.zip |
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 -
Diffstat (limited to 'src/ui.c')
-rw-r--r-- | src/ui.c | 362 |
1 files changed, 362 insertions, 0 deletions
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; +} |