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/* gtmessag.c: The message line at the bottom of the screen
for GlkTerm, curses.h implementation of the Glk API.
Designed by Andrew Plotkin <erkyrath@eblong.com>
http://www.eblong.com/zarf/glk/index.html
*/
#include "gtoption.h"
#include <wchar.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <curses.h>
#include "glk.h"
#include "glkterm.h"
/* Nothing fancy here. We store a string, and print it on the bottom line.
If pref_messageline is FALSE, none of these functions do anything. */
static wchar_t *msgbuf = NULL;
static int msgbuflen = 0;
static int msgbuf_size = 0;
void gli_msgline_warning(wchar_t *msg)
{
wchar_t buf[256];
int l;
if (!pref_messageline)
return;
buf[0] = L'\0';
wcsncat(buf, L"Glk library error: ", 256);
l = wcslen(buf);
wcsncat(buf + l, msg, 256 - l);
gli_msgline(buf);
}
void gli_msgline(wchar_t *msg)
{
int len;
if (!pref_messageline)
return;
if (!msg)
msg = L"";
len = wcslen(msg);
if (!msgbuf) {
msgbuf_size = len+80;
msgbuf = (wchar_t *)malloc(msgbuf_size * sizeof(wchar_t));
}
else if (len+1 > msgbuf_size) {
while (len+1 > msgbuf_size)
msgbuf_size *= 2;
msgbuf = (wchar_t *)realloc(msgbuf, msgbuf_size * sizeof(wchar_t));
}
if (!msgbuf)
return;
wcscpy(msgbuf, msg);
msgbuflen = len;
gli_msgline_redraw();
}
void gli_msgline_redraw()
{
if (!pref_messageline)
return;
if (msgbuflen == 0) {
move(content_box.bottom, 0);
clrtoeol();
}
else {
int len;
move(content_box.bottom, 0);
local_addwstr(L" ");
attron(A_REVERSE);
if (msgbuflen > content_box.right-3)
len = content_box.right-3;
else
len = msgbuflen;
local_addnwstr(msgbuf, len);
attrset(0);
clrtoeol();
}
}
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