list_window: use "bool" instead of "int"

For flags and return values, use the "bool" data type instead of
"int".

12 files changed, 66 insertions, 67 deletions

diff --git a/src/list_window.c b/src/list_window.c
index 46858ee2b..b12e8eb8c 100644
--- a/src/list_window.c
+++ b/src/list_window.c
@@ -165,8 +165,8 @@ list_window_paint(struct list_window *lw,
 		  void *callback_data)
 {
 	unsigned i;
-	int fill = options.wide_cursor;
-	int show_cursor = !(lw->flags & LW_HIDE_CURSOR);
+	bool fill = options.wide_cursor;
+	bool show_cursor = !(lw->flags & LW_HIDE_CURSOR);
 
 	if (show_cursor) {
 		if (lw->selected < lw->start)
@@ -177,14 +177,14 @@ list_window_paint(struct list_window *lw,
 	}
 
 	for (i = 0; i < lw->rows; i++) {
-		int highlight = 0;
+		bool highlight = false;
 		const char *label;
 
 		label = callback(lw->start + i, &highlight, callback_data);
 		wmove(lw->w, i, 0);
 
 		if (label) {
-			int selected = lw->start + i == lw->selected;
+			bool selected = lw->start + i == lw->selected;
 			unsigned len = utf8_width(label);
 
 			if (highlight)
@@ -210,14 +210,14 @@ list_window_paint(struct list_window *lw,
 	}
 }
 
-int
+bool
 list_window_find(struct list_window *lw,
 		 list_window_callback_fn_t callback,
 		 void *callback_data,
 		 const char *str,
-		 int wrap)
+		 bool wrap)
 {
-	int h;
+	bool h;
 	unsigned i = lw->selected + 1;
 	const char *label;
 
@@ -225,10 +225,10 @@ list_window_find(struct list_window *lw,
 		while ((label = callback(i,&h,callback_data))) {
 			if (str && label && strcasestr(label, str)) {
 				lw->selected = i;
-				return 0;
+				return true;
 			}
 			if (wrap && i == lw->selected)
-				return 1;
+				return false;
 			i++;
 		}
 		if (wrap) {
@@ -239,32 +239,32 @@ list_window_find(struct list_window *lw,
 		}
 	} while (wrap);
 
-	return 1;
+	return false;
 }
 
-int
+bool
 list_window_rfind(struct list_window *lw,
 		  list_window_callback_fn_t callback,
 		  void *callback_data,
 		  const char *str,
-		  int wrap,
+		  bool wrap,
 		  unsigned rows)
 {
-	int h;
+	bool h;
 	int i = lw->selected - 1;
 	const char *label;
 
 	if (rows == 0)
-		return 1;
+		return false;
 
 	do {
 		while (i >= 0 && (label = callback(i,&h,callback_data))) {
 			if( str && label && strcasestr(label, str) ) {
 				lw->selected = i;
-				return 0;
+				return true;
 			}
 			if (wrap && i == (int)lw->selected)
-				return 1;
+				return false;
 			i--;
 		}
 		if (wrap) {
@@ -273,11 +273,11 @@ list_window_rfind(struct list_window *lw,
 		}
 	} while (wrap);
 
-	return 1;
+	return false;
 }
 
 /* perform basic list window commands (movement) */
-int
+bool
 list_window_cmd(struct list_window *lw, unsigned rows, command_t cmd)
 {
 	switch (cmd) {
@@ -300,13 +300,13 @@ list_window_cmd(struct list_window *lw, unsigned rows, command_t cmd)
 		list_window_previous_page(lw);
 		break;
 	default:
-		return 0;
+		return false;
 	}
 
-	return 1;
+	return true;
 }
 
-int
+bool
 list_window_scroll_cmd(struct list_window *lw, unsigned rows, command_t cmd)
 {
 	switch (cmd) {
@@ -349,14 +349,14 @@ list_window_scroll_cmd(struct list_window *lw, unsigned rows, command_t cmd)
 		break;
 
 	default:
-		return 0;
+		return false;
 	}
 
-	return 1;
+	return true;
 }
 
 #ifdef HAVE_GETMOUSE
-int
+bool
 list_window_mouse(struct list_window *lw, unsigned rows,
 		  unsigned long bstate, int y)
 {
@@ -368,7 +368,7 @@ list_window_mouse(struct list_window *lw, unsigned rows,
 			list_window_first(lw);
 		else
 			list_window_previous_page(lw);
-		return 1;
+		return true;
 	}
 
 	/* if the even occured below the list window move down */
@@ -377,9 +377,9 @@ list_window_mouse(struct list_window *lw, unsigned rows,
 			list_window_last(lw, rows);
 		else
 			list_window_next_page(lw, rows);
-		return 1;
+		return true;
 	}
 
-	return 0;
+	return false;
 }
 #endif
diff --git a/src/list_window.h b/src/list_window.h
index 11c4cddab..bcf3e3228 100644
--- a/src/list_window.h
+++ b/src/list_window.h
@@ -5,6 +5,7 @@
 #include "command.h"
 
 #include <glib.h>
+#include <stdbool.h>
 
 #ifdef HAVE_NCURSESW_NCURSES_H
 #include <ncursesw/ncurses.h>
@@ -15,7 +16,7 @@
 #define LW_HIDE_CURSOR    0x01
 
 typedef const char *(*list_window_callback_fn_t)(unsigned index,
-						 int *highlight,
+						 bool *highlight,
 						 void *data);
 
 typedef struct list_window {
@@ -45,13 +46,14 @@ void list_window_paint(struct list_window *lw,
 		       void *callback_data);
 
 /* perform basic list window commands (movement) */
-int list_window_cmd(struct list_window *lw, unsigned rows, command_t cmd);
+bool
+list_window_cmd(struct list_window *lw, unsigned rows, command_t cmd);
 
 /**
  * Scroll the window.  Returns non-zero if the command has been
  * consumed.
  */
-int
+bool
 list_window_scroll_cmd(struct list_window *lw, unsigned rows, command_t cmd);
 
 #ifdef HAVE_GETMOUSE
@@ -59,7 +61,7 @@ list_window_scroll_cmd(struct list_window *lw, unsigned rows, command_t cmd);
  * The mouse was clicked.  Check if the list should be scrolled
  * Returns non-zero if the mouse event has been handled.
  */
-int
+bool
 list_window_mouse(struct list_window *lw, unsigned rows,
 		  unsigned long bstate, int y);
 #endif
@@ -72,19 +74,20 @@ void list_window_set_selected(struct list_window *lw, unsigned n);
 void list_window_check_selected(struct list_window *lw, unsigned length);
 
 /* find a string in a list window */
-int  list_window_find(struct list_window *lw,
-		      list_window_callback_fn_t callback,
-		      void *callback_data,
-		      const char *str,
-		      int wrap);
+bool
+list_window_find(struct list_window *lw,
+		 list_window_callback_fn_t callback,
+		 void *callback_data,
+		 const char *str,
+		 bool wrap);
 
 /* find a string in a list window (reversed) */
-int
+bool
 list_window_rfind(struct list_window *lw,
 		  list_window_callback_fn_t callback,
 		  void *callback_data,
 		  const char *str,
-		  int wrap,
+		  bool wrap,
 		  unsigned rows);
 
 #endif
diff --git a/src/screen_artist.c b/src/screen_artist.c
index 7180c38ed..be951ee6e 100644
--- a/src/screen_artist.c
+++ b/src/screen_artist.c
@@ -59,7 +59,7 @@ compare_utf8(gconstpointer s1, gconstpointer s2)
 
 /* list_window callback */
 static const char *
-artist_lw_callback(unsigned idx, G_GNUC_UNUSED int *highlight,
+artist_lw_callback(unsigned idx, G_GNUC_UNUSED bool *highlight,
 		   G_GNUC_UNUSED void *data)
 {
 	GPtrArray *list = data;
diff --git a/src/screen_browser.c b/src/screen_browser.c
index 3aeab0b33..4d911e0d7 100644
--- a/src/screen_browser.c
+++ b/src/screen_browser.c
@@ -119,7 +119,7 @@ browser_playlist_changed(struct screen_browser *browser, mpdclient_t *c,
 
 /* list_window callback */
 const char *
-browser_lw_callback(unsigned idx, int *highlight, void *data)
+browser_lw_callback(unsigned idx, bool *highlight, void *data)
 {
 	static char buf[BUFSIZE];
 	mpdclient_filelist_t *fl = (mpdclient_filelist_t *) data;
@@ -134,7 +134,7 @@ browser_lw_callback(unsigned idx, int *highlight, void *data)
 
 	entity = entry->entity;
 #ifndef NCMPC_MINI
-	*highlight = (entry->flags & HIGHLIGHT);
+	*highlight = (entry->flags & HIGHLIGHT) != 0;
 #else
 	*highlight = false;
 #endif
diff --git a/src/screen_browser.h b/src/screen_browser.h
index 6ea17cc18..1cc0b2744 100644
--- a/src/screen_browser.h
+++ b/src/screen_browser.h
@@ -46,7 +46,7 @@ browser_playlist_changed(struct screen_browser *browser, mpdclient_t *c,
 
 #endif
 
-const char *browser_lw_callback(unsigned index, int *highlight, void *filelist);
+const char *browser_lw_callback(unsigned index, bool *highlight, void *filelist);
 
 bool
 browser_change_directory(struct screen_browser *browser, mpdclient_t *c,
diff --git a/src/screen_help.c b/src/screen_help.c
index 2f06adacd..0cc15a37a 100644
--- a/src/screen_help.c
+++ b/src/screen_help.c
@@ -141,7 +141,7 @@ static help_text_row_t help_text[] = {
 static list_window_t *lw;
 
 static const char *
-list_callback(unsigned idx, int *highlight, G_GNUC_UNUSED void *data)
+list_callback(unsigned idx, bool *highlight, G_GNUC_UNUSED void *data)
 {
 	static char buf[512];
 
@@ -149,7 +149,7 @@ list_callback(unsigned idx, int *highlight, G_GNUC_UNUSED void *data)
 		return NULL;
 
 	if (help_text[idx].highlight)
-		*highlight = 1;
+		*highlight = true;
 
 	if (help_text[idx].command == CMD_NONE) {
 		if (help_text[idx].text)
diff --git a/src/screen_keydef.c b/src/screen_keydef.c
index 02ef177d8..a8f01b352 100644
--- a/src/screen_keydef.c
+++ b/src/screen_keydef.c
@@ -187,14 +187,14 @@ assign_new_key(WINDOW *w, int cmd_index, int key_index)
 }
 
 static const char *
-list_callback(unsigned idx, int *highlight, G_GNUC_UNUSED void *data)
+list_callback(unsigned idx, bool *highlight, G_GNUC_UNUSED void *data)
 {
 	static char buf[BUFSIZE];
 
 	if (subcmd < 0) {
 		if (idx < (unsigned)command_list_length) {
 			if (cmds[idx].flags & COMMAND_KEY_CONFLICT)
-				*highlight = 1;
+				*highlight = true;
 			return cmds[idx].name;
 		} else if (idx == LIST_ITEM_APPLY())
 			return LIST_ITEM_APPLY_LABEL;
diff --git a/src/screen_lyrics.c b/src/screen_lyrics.c
index 93a47cc8d..d54333d0c 100644
--- a/src/screen_lyrics.c
+++ b/src/screen_lyrics.c
@@ -223,7 +223,7 @@ static int store_lyr_hd(void)
 }
 
 static const char *
-list_callback(unsigned idx, G_GNUC_UNUSED int *highlight,
+list_callback(unsigned idx, G_GNUC_UNUSED bool *highlight,
 	      G_GNUC_UNUSED void *data)
 {
 	static char buffer[256];
diff --git a/src/screen_play.c b/src/screen_play.c
index 525207618..7ee0a9ff4 100644
--- a/src/screen_play.c
+++ b/src/screen_play.c
@@ -90,7 +90,7 @@ playlist_changed_callback(mpdclient_t *c, int event, gpointer data)
 }
 
 static const char *
-list_callback(unsigned idx, int *highlight, G_GNUC_UNUSED void *data)
+list_callback(unsigned idx, bool *highlight, G_GNUC_UNUSED void *data)
 {
 	static char songname[MAX_SONG_LENGTH];
 #ifndef NCMPC_MINI
@@ -103,7 +103,7 @@ list_callback(unsigned idx, int *highlight, G_GNUC_UNUSED void *data)
 
 	song = playlist_get(playlist, idx);
 	if (song->id == current_song_id)
-		*highlight = 1;
+		*highlight = true;
 
 	strfsong(songname, MAX_SONG_LENGTH, options.list_format, song);
 
diff --git a/src/screen_search.c b/src/screen_search.c
index 83054123d..3c0a18bf9 100644
--- a/src/screen_search.c
+++ b/src/screen_search.c
@@ -93,7 +93,7 @@ static struct screen_browser browser;
 
 /* search info */
 static const char *
-lw_search_help_callback(unsigned idx, G_GNUC_UNUSED int *highlight,
+lw_search_help_callback(unsigned idx, G_GNUC_UNUSED bool *highlight,
 			G_GNUC_UNUSED void *data)
 {
 	unsigned text_rows;
diff --git a/src/screen_song.c b/src/screen_song.c
index bda200ad7..2c73ea6f5 100644
--- a/src/screen_song.c
+++ b/src/screen_song.c
@@ -56,7 +56,7 @@ screen_song_repaint(void)
 }
 
 static const char *
-screen_song_list_callback(unsigned idx, G_GNUC_UNUSED int *highlight,
+screen_song_list_callback(unsigned idx, G_GNUC_UNUSED bool *highlight,
 			  G_GNUC_UNUSED void *data)
 {
 	static char buffer[256];
diff --git a/src/screen_utils.c b/src/screen_utils.c
index ff3fffa44..20b4be1a4 100644
--- a/src/screen_utils.c
+++ b/src/screen_utils.c
@@ -159,7 +159,7 @@ screen_find(list_window_t *lw,
 	    void *callback_data)
 {
 	int reversed = 0;
-	int retval = 0;
+	bool found;
 	const char *prompt = FIND_PROMPT;
 	char *value = options.find_show_last_pattern ? (char *) -1 : NULL;
 
@@ -189,21 +189,17 @@ screen_find(list_window_t *lw,
 		if (screen.findbuf == NULL)
 			return 1;
 
-		if (reversed)
-			retval = list_window_rfind(lw,
-						   callback_fn,
-						   callback_data,
-						   screen.findbuf,
-						   options.find_wrap,
-						   rows);
-		else
-			retval = list_window_find(lw,
-						  callback_fn,
-						  callback_data,
-						  screen.findbuf,
-						  options.find_wrap);
-
-		if (retval != 0) {
+		found = reversed
+			? list_window_rfind(lw,
+					    callback_fn, callback_data,
+					    screen.findbuf,
+					    options.find_wrap,
+					    rows)
+			: list_window_find(lw,
+					   callback_fn, callback_data,
+					   screen.findbuf,
+					   options.find_wrap);
+		if (!found) {
 			screen_status_printf(_("Unable to find \'%s\'"),
 					     screen.findbuf);
 			screen_bell();