diff --git a/src/hscroll.c b/src/hscroll.c
index ace5bde9e4b4876cc33c98b7cf9ae719c768b6fc..dafae93dee2dc3a0d9190267c34aa62e0e63d54d 100644 (file)
--- a/src/hscroll.c
+++ b/src/hscroll.c
/* ncmpc (Ncurses MPD Client)
- * (c) 2004-2009 The Music Player Daemon Project
+ * (c) 2004-2010 The Music Player Daemon Project
* Project homepage: http://musicpd.org
* This program is free software; you can redistribute it and/or modify
#include "hscroll.h"
#include "charset.h"
+#include "ncfix.h"
+#include "glib_compat.h"
#include <assert.h>
#include <string.h>
g_free(tmp);
return buf;
}
+
+/**
+ * This timer scrolls the area by one and redraws.
+ */
+static gboolean
+hscroll_timer_callback(gpointer data)
+{
+ struct hscroll *hscroll = data;
+
+ hscroll_step(hscroll);
+ hscroll_draw(hscroll);
+ wrefresh(hscroll->w);
+ return true;
+}
+
+void
+hscroll_set(struct hscroll *hscroll, unsigned x, unsigned y, unsigned width,
+ const char *text)
+{
+ assert(hscroll != NULL);
+ assert(hscroll->w != NULL);
+ assert(text != NULL);
+
+ if (hscroll->text != NULL && hscroll->x == x && hscroll->y == y &&
+ hscroll->width == width && strcmp(hscroll->text, text) == 0)
+ /* no change, do nothing (and, most importantly, do
+ not reset the current offset!) */
+ return;
+
+ hscroll_clear(hscroll);
+
+ hscroll->x = x;
+ hscroll->y = y;
+ hscroll->width = width;
+
+ /* obtain the ncurses attributes and the current color, store
+ them */
+ fix_wattr_get(hscroll->w, &hscroll->attrs, &hscroll->pair, NULL);
+
+ hscroll->text = g_strdup(text);
+ hscroll->offset = 0;
+ hscroll->source_id = g_timeout_add_seconds(1, hscroll_timer_callback,
+ hscroll);
+}
+
+void
+hscroll_clear(struct hscroll *hscroll)
+{
+ assert(hscroll != NULL);
+
+ if (hscroll->text == NULL)
+ return;
+
+ g_source_remove(hscroll->source_id);
+
+ g_free(hscroll->text);
+ hscroll->text = NULL;
+}
+
+void
+hscroll_draw(struct hscroll *hscroll)
+{
+ attr_t old_attrs;
+ short old_pair;
+ char *p;
+
+ assert(hscroll != NULL);
+ assert(hscroll->w != NULL);
+ assert(hscroll->text != NULL);
+
+ /* set stored attributes and color */
+ fix_wattr_get(hscroll->w, &old_attrs, &old_pair, NULL);
+ wattr_set(hscroll->w, hscroll->attrs, hscroll->pair, NULL);
+
+ /* scroll the string, and draw it */
+ p = strscroll(hscroll, hscroll->text, hscroll->separator,
+ hscroll->width);
+ mvwaddstr(hscroll->w, hscroll->y, hscroll->x, p);
+ g_free(p);
+
+ /* restore previous attributes and color */
+ wattr_set(hscroll->w, old_attrs, old_pair, NULL);
+}