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/* $Id$ */
#include "bbs.h"
/*
* visio.c
* High-level virtual screen input output control
*
* This is not the original visio.c from maple3.
* m3 visio = (ptt) visio+screen.
* This visio contains only high level UI element/widgets.
* In fact the only APIs from m3 are vmsg/vget...
*
* To add API here, please...
* (1) name the API in prefix of 'v'.
* (2) use only screen.c APIs.
* (3) take care of wide screen.
* (4) utilize the colos in visio.h, and name asa VCLR_* (visio color)
*/
// ---- DEFINITION ---------------------------------------------------
#define MAX_COL (t_columns-1)
#define SAFE_MAX_COL (MAX_COL-1)
// ---- UTILITIES ----------------------------------------------------
inline void
outnc(int n, unsigned char c)
{
while (n-- > 0)
outc(c);
}
inline void
nblank(int n)
{
outnc(n, ' ');
}
// ---- HIGH LEVEL API -----------------------------------------------
void
vfprints()
{
}
/**
* 在最底部印出 caption msg 的形式
* msg 中若有 () 則會變色， \t 後的文字會靠右。
* 最後面會自動留一個空白 (以避免自動偵測中文字的問題)。
*/
void
vfooter(const char *caption, const char *msg)
{
int i = 0;
move(b_lines, 0); clrtoeol();
if (caption)
{
outs(VCLR_FOOTER_CAPTION);
outs(caption); i+= strlen(caption);
}
if (!msg) msg = "";
outs(VCLR_FOOTER);
while (*msg && i < SAFE_MAX_COL)
{
if (*msg == '(')
outs(VCLR_FOOTER_QUOTE);
else if (*msg == '\t')
{
// if we don't have enough space, ignore whole.
int l = strlen(++msg);
if (i + l > SAFE_MAX_COL) break;
l = SAFE_MAX_COL - l - i;
nblank(l);
i += l;
continue;
}
outc(*msg); i++;
if (*msg == ')')
outs(VCLR_FOOTER);
msg ++;
}
nblank(SAFE_MAX_COL-i);
outc(' ');
outs(ANSI_RESET);
}
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