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/* ncmpc (Ncurses MPD Client)
* (c) 2004-2009 The Music Player Daemon Project
* Project homepage: http://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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "screen_text.h"
#include "screen_utils.h"
#include "charset.h"
#include <assert.h>
#include <string.h>
void
screen_text_clear(struct screen_text *text)
{
list_window_reset(text->lw);
for (guint i = 0; i < text->lines->len; ++i)
g_free(g_ptr_array_index(text->lines, i));
g_ptr_array_set_size(text->lines, 0);
}
void
screen_text_set(struct screen_text *text, const GString *str)
{
const char *p, *eol, *next;
assert(str != NULL);
screen_text_clear(text);
p = str->str;
while ((eol = strchr(p, '\n')) != NULL) {
char *line;
next = eol + 1;
/* strip whitespace at end */
while (eol > p && (unsigned char)eol[-1] <= 0x20)
--eol;
/* create copy and append it to text->lines */
line = g_malloc(eol - p + 1);
memcpy(line, p, eol - p);
line[eol - p] = 0;
g_ptr_array_add(text->lines, line);
/* reset control characters */
for (eol = line + (eol - p); line < eol; ++line)
if ((unsigned char)*line < 0x20)
*line = ' ';
p = next;
}
if (*p != 0)
g_ptr_array_add(text->lines, g_strdup(p));
}
const char *
screen_text_list_callback(unsigned idx, G_GNUC_UNUSED bool *highlight,
void *data)
{
const struct screen_text *text = data;
static char buffer[256];
char *value;
if (idx >= text->lines->len)
return NULL;
value = utf8_to_locale(g_ptr_array_index(text->lines, idx));
g_strlcpy(buffer, value, sizeof(buffer));
g_free(value);
return buffer;
}
bool
screen_text_cmd(struct screen_text *text,
G_GNUC_UNUSED struct mpdclient *c, command_t cmd)
{
if (list_window_scroll_cmd(text->lw, text->lines->len, cmd)) {
screen_text_repaint(text);
return true;
}
text->lw->selected = text->lw->start + text->lw->rows;
if (screen_find(text->lw, text->lines->len,
cmd, screen_text_list_callback, text)) {
/* center the row */
list_window_center(text->lw, text->lines->len,
text->lw->selected);
screen_text_repaint(text);
return true;
}
return false;
}
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