Added toggle to quickmix menu

Closes #141

5 files changed, 56 insertions, 7 deletions

diff --git a/contrib/pianobar.1 b/contrib/pianobar.1
index d036c1e..55300f8 100644
--- a/contrib/pianobar.1
+++ b/contrib/pianobar.1
@@ -133,7 +133,8 @@ Show next songs in playlist.
 
 .TP
 .B act_stationselectquickmix = x
-Select quickmix stations.
+Select quickmix stations. You can toggle the selection with 't', select all
+with 'a' or select none with 'n'.
 
 .TP
 .B act_voldown = (
diff --git a/src/main.c b/src/main.c
index e6f00cc..2940861 100644
--- a/src/main.c
+++ b/src/main.c
@@ -136,7 +136,7 @@ static void BarMainGetInitialStation (BarApp_t *app) {
 	}
 	/* no autostart? ask the user */
 	if (app->curStation == NULL) {
-		app->curStation = BarUiSelectStation (app, "Select station: ");
+		app->curStation = BarUiSelectStation (app, "Select station: ", NULL);
 	}
 	if (app->curStation != NULL) {
 		BarUiPrintStation (&app->settings, app->curStation);
diff --git a/src/ui.c b/src/ui.c
index ab22f8a..25dee66 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -330,9 +330,11 @@ static PianoStation_t **BarSortedStations (PianoStation_t *unsortedStations,
 /*	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, const char *prompt) {
+PianoStation_t *BarUiSelectStation (BarApp_t *app, const char *prompt,
+		BarUiSelectStationCallback_t callback) {
 	PianoStation_t **sortedStations = NULL, *retStation = NULL;
 	size_t stationCount, i;
 	char buf[100];
@@ -351,6 +353,7 @@ PianoStation_t *BarUiSelectStation (BarApp_t *app, const char *prompt) {
 	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' : ' ',
@@ -373,6 +376,11 @@ PianoStation_t *BarUiSelectStation (BarApp_t *app, const char *prompt) {
 				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);
diff --git a/src/ui.h b/src/ui.h
index f86f5f3..db90646 100644
--- a/src/ui.h
+++ b/src/ui.h
@@ -33,8 +33,10 @@ THE SOFTWARE.
 #include "ui_readline.h"
 #include "ui_types.h"
 
+typedef void (*BarUiSelectStationCallback_t) (BarApp_t *app, char *buf);
+
 void BarUiMsg (const BarSettings_t *, const BarUiMsg_t, const char *, ...);
-PianoStation_t *BarUiSelectStation (BarApp_t *, const char *);
+PianoStation_t *BarUiSelectStation (BarApp_t *, const char *, BarUiSelectStationCallback_t);
 PianoSong_t *BarUiSelectSong (const BarSettings_t *, PianoSong_t *,
 		BarReadlineFds_t *);
 PianoArtist_t *BarUiSelectArtist (BarApp_t *, PianoArtist_t *);
diff --git a/src/ui_act.c b/src/ui_act.c
index 22ca2da..08cd6e2 100644
--- a/src/ui_act.c
+++ b/src/ui_act.c
@@ -317,7 +317,7 @@ BarUiActCallback(BarUiActMoveSong) {
 
 	reqData.step = 0;
 
-	reqData.to = BarUiSelectStation (app, "Move song to station: ");
+	reqData.to = BarUiSelectStation (app, "Move song to station: ", NULL);
 	if (reqData.to != NULL) {
 		/* find original station (just is case we're playing a quickmix
 		 * station) */
@@ -379,7 +379,8 @@ BarUiActCallback(BarUiActRenameStation) {
 /*	play another station
  */
 BarUiActCallback(BarUiActSelectStation) {
-	PianoStation_t *newStation = BarUiSelectStation (app, "Select station: ");
+	PianoStation_t *newStation = BarUiSelectStation (app, "Select station: ",
+			NULL);
 	if (newStation != NULL) {
 		app->curStation = newStation;
 		BarUiPrintStation (&app->settings, app->curStation);
@@ -421,6 +422,42 @@ BarUiActCallback(BarUiActPrintUpcoming) {
 	}
 }
 
+/*	selectStation callback used by BarUiActSelectQuickMix; toggle, select
+ *	all/none
+ */
+static void BarUiActQuickmixCallback (BarApp_t *app, char *buf) {
+	PianoStation_t *curStation = app->ph.stations;
+
+	switch (*buf) {
+		case 't':
+			/* toggle */
+			while (curStation != NULL) {
+				curStation->useQuickMix = !curStation->useQuickMix;
+				curStation = curStation->next;
+			}
+			*buf = '\0';
+			break;
+
+		case 'a':
+			/* enable all */
+			while (curStation != NULL) {
+				curStation->useQuickMix = true;
+				curStation = curStation->next;
+			}
+			*buf = '\0';
+			break;
+
+		case 'n':
+			/* enable none */
+			while (curStation != NULL) {
+				curStation->useQuickMix = false;
+				curStation = curStation->next;
+			}
+			*buf = '\0';
+			break;
+	}
+}
+
 /*	if current station is a quickmix: select stations that are played in
  *	quickmix
  */
@@ -433,7 +470,8 @@ BarUiActCallback(BarUiActSelectQuickMix) {
 	if (selStation->isQuickMix) {
 		PianoStation_t *toggleStation;
 		while ((toggleStation = BarUiSelectStation (app,
-				"Toggle quickmix for station: ")) != NULL) {
+				"Toggle quickmix for station: ",
+				BarUiActQuickmixCallback)) != NULL) {
 			toggleStation->useQuickMix = !toggleStation->useQuickMix;
 		}
 		BarUiMsg (&app->settings, MSG_INFO, "Setting quickmix stations... ");