screen_text: new library for displaying large texts

Took a lot of code from screen_lyrics.

1 files changed, 94 insertions, 0 deletions

diff --git a/src/screen_text.h b/src/screen_text.h
new file mode 100644
index 000000000..031c29f4b
--- /dev/null
+++ b/src/screen_text.h
@@ -0,0 +1,94 @@
+/*
+ * (c) 2004-2008 The Music Player Daemon Project
+ * http://www.musicpd.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
+ *
+ */
+
+#ifndef SCREEN_TEXT_H
+#define SCREEN_TEXT_H
+
+#include "list_window.h"
+
+#include <glib.h>
+
+struct mpdclient;
+
+struct screen_text {
+	GPtrArray *lines;
+
+	struct list_window *lw;
+};
+
+static inline void
+screen_text_init(struct screen_text *text, WINDOW *w, int cols, int rows)
+{
+	text->lines = g_ptr_array_new();
+
+	text->lw = list_window_init(w, cols, rows);
+	text->lw->hide_cursor = true;
+}
+
+void
+screen_text_clear(struct screen_text *text);
+
+static inline void
+screen_text_deinit(struct screen_text *text)
+{
+	screen_text_clear(text);
+	g_ptr_array_free(text->lines, TRUE);
+
+	list_window_free(text->lw);
+}
+
+static inline void
+screen_text_resize(struct screen_text *text, int cols, int rows)
+{
+	text->lw->cols = cols;
+	text->lw->rows = rows;
+}
+
+static inline bool
+screen_text_is_empty(const struct screen_text *text)
+{
+	return text->lines->len == 0;
+}
+
+void
+screen_text_set(struct screen_text *text, const GString *str);
+
+const char *
+screen_text_list_callback(unsigned idx, bool *highlight, void *data);
+
+static inline void
+screen_text_paint(struct screen_text *text)
+{
+	list_window_paint(text->lw, screen_text_list_callback, text);
+}
+
+/**
+ * Repaint and update the screen.
+ */
+static inline void
+screen_text_repaint(struct screen_text *text)
+{
+	screen_text_paint(text);
+	wrefresh(text->lw->w);
+}
+
+bool
+screen_text_cmd(struct screen_text *text, struct mpdclient *c, command_t cmd);
+
+#endif