screen: moved code to screen_list.c

Move the hard-coded screen list and everything which works with this
array to screen_list.c.

1 files changed, 135 insertions, 0 deletions

diff --git a/src/screen_list.c b/src/screen_list.c
new file mode 100644
index 000000000..46e624418
--- /dev/null
+++ b/src/screen_list.c
@@ -0,0 +1,135 @@
+/*
+ * (c) 2004 by Kalle Wallin <kaw@linux.se>
+ * Copyright (C) 2008 Max Kellermann <max@duempel.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include "screen_list.h"
+#include "screen.h"
+
+#include <string.h>
+
+static const struct
+{
+	int id;
+	const char *name;
+	const struct screen_functions *functions;
+} screens[] = {
+	{ SCREEN_PLAYLIST_ID, "playlist", &screen_playlist },
+	{ SCREEN_BROWSE_ID, "browse", &screen_browse },
+#ifdef ENABLE_ARTIST_SCREEN
+	{ SCREEN_ARTIST_ID, "artist", &screen_artist },
+#endif
+	{ SCREEN_HELP_ID, "help", &screen_help },
+#ifdef ENABLE_SEARCH_SCREEN
+	{ SCREEN_SEARCH_ID, "search", &screen_search },
+#endif
+#ifdef ENABLE_KEYDEF_SCREEN
+	{ SCREEN_KEYDEF_ID, "keydef", &screen_keydef },
+#endif
+#ifdef ENABLE_LYRICS_SCREEN
+	{ SCREEN_LYRICS_ID, "lyrics", &screen_lyrics },
+#endif
+};
+
+static const unsigned NUM_SCREENS = sizeof(screens) / sizeof(screens[0]);
+
+void
+screen_list_init(WINDOW *w, unsigned cols, unsigned rows)
+{
+	unsigned i;
+
+	for (i = 0; i < NUM_SCREENS; ++i) {
+		const struct screen_functions *sf = screens[i].functions;
+
+		if (sf->init)
+			sf->init(w, cols, rows);
+	}
+}
+
+void
+screen_list_exit(void)
+{
+	unsigned i;
+
+	for (i = 0; i < NUM_SCREENS; ++i) {
+		const struct screen_functions *sf = screens[i].functions;
+
+		if (sf->exit)
+			sf->exit();
+	}
+}
+
+void
+screen_list_resize(unsigned cols, unsigned rows)
+{
+	unsigned i;
+
+	for (i = 0; i < NUM_SCREENS; ++i) {
+		const struct screen_functions *sf = screens[i].functions;
+
+		if (sf->resize)
+			sf->resize(cols, rows);
+	}
+}
+
+int
+screen_get_id_by_index(unsigned i)
+{
+	assert(i < NUM_SCREENS);
+
+	return screens[i].id;
+}
+
+const char *
+screen_get_name(unsigned i)
+{
+	assert(i < NUM_SCREENS);
+
+	return screens[i].name;
+}
+
+int
+screen_get_id(const char *name)
+{
+	unsigned i;
+
+	for (i = 0; i < NUM_SCREENS; ++i)
+		if (strcmp(name, screens[i].name) == 0)
+			return screens[i].id;
+
+	return -1;
+}
+
+const struct screen_functions *
+screen_get_functions(unsigned i)
+{
+	assert(i < NUM_SCREENS);
+
+	return screens[i].functions;
+}
+
+int
+lookup_mode(int id)
+{
+	unsigned i;
+
+	for (i = 0; i < NUM_SCREENS; ++i)
+		if (screens[i].id == id)
+			return i;
+
+	return -1;
+}