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EnigmA Amiga Run 1997 February
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EnigmA AMIGA RUN 15 (1997)(G.R. Edizioni)(IT)[!][issue 1997-02][PLANET CD V].iso
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uae-0_64.lha
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uae-0.6.4
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src
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svgancui.c
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C/C++ Source or Header
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1996-09-03
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6KB
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351 lines
/*
* UAE - The Un*x Amiga Emulator
*
* ncurses frontend for a text-based user interface.
*
* Copyright 1996 Bernd Schmidt
* If you find the routines in this file useful, you may use them in your
* programs without restrictions. Essentially, it's in the public domain.
*
*/
#include "sysconfig.h"
#include "sysdeps.h"
#include <ncurses.h>
#include "config.h"
#include "options.h"
#include "tui.h"
static WINDOW *currwin;
static WINDOW *winstack[10]; /* more than enough */
static int winnr = 0;
void tui_setup(void)
{
int i;
for (i = 0; i < 10; i++)
winstack[i] = NULL;
/* From the ncurses manpage... */
initscr(); start_color(); cbreak(); noecho(); nonl(); intrflush(stdscr, FALSE); keypad(stdscr, TRUE);
currwin = stdscr;
if (has_colors()) {
init_pair(1, COLOR_WHITE, COLOR_BLUE);
init_pair(2, COLOR_BLACK, COLOR_WHITE);
wattron(currwin, COLOR_PAIR(1) | A_BOLD);
wbkgd(currwin, ' '|COLOR_PAIR(1));
}
winstack[0] = stdscr;
winnr = 1;
}
int tui_lines(void)
{
return LINES;
}
int tui_cols(void)
{
return COLS;
}
void tui_shutdown(void)
{
endwin();
}
void tui_refresh(void)
{
wrefresh(currwin);
}
void tui_puts(const char *s)
{
waddstr(currwin, s);
}
void tui_cursoff(void)
{
}
void tui_curson(void)
{
}
void tui_putc(char c)
{
waddch(currwin, c);
}
void tui_cr(void)
{
waddch(currwin, '\r');
}
char tui_getc(void)
{
return getch();
}
void tui_gotoxy(int x, int y)
{
x--; y--;
wmove(currwin, y, x);
}
void tui_selwin(int w)
{
currwin = winstack[w];
}
void tui_clrwin(int w)
{
wclear(winstack[w]);
}
void tui_drawbox(int w)
{
wborder(winstack[w], 0, 0, 0, 0, 0, 0, 0, 0);
}
void tui_hline(int x1, int y1, int x2)
{
wmove(currwin, y1-1, x1-1);
whline(currwin, 0, x2-x1+1);
}
int tui_dlog(int x1, int y1, int x2, int y2)
{
x1--; y1--;
winstack[winnr] = newwin(y2 - y1, x2 - x1, y1, x1);
return winnr++;
}
void tui_dlogdie(int w)
{
if (currwin == winstack[w])
currwin = stdscr;
delwin(winstack[w]);
winstack[w] = NULL;
while (winstack[winnr-1] == NULL)
winnr--;
for (w = 0; w < winnr; w++)
redrawwin(winstack[w]), wrefresh(winstack[w]);
}
int tui_gets(char *buf, int x, int y, int n)
{
int i = 0;
for (;;) {
int c = getch();
int j;
wmove(currwin, y, x);
for (j = 0; j < i; j++)
waddch(currwin, buf[j]);
for (; j < n; j++)
waddch(currwin, ' ');
wmove(currwin, y, x + i);
wrefresh(currwin);
buf[i] = 0;
if (c == 13)
return 1;
else if (c == 27)
return 0;
else if (i + 1 < n)
buf[i++] = c;
}
}
int tui_wgets(char *buf, const char *title, int n)
{
int l = strlen(title);
int ww = l > n ? l : n;
int w = tui_dlog((tui_cols()-ww-2)/2, tui_lines()/2-1, (tui_cols()+ww+2)/2, tui_lines()/2+1);
tui_selwin(w); tui_drawbox(w);
wmove(currwin, 0, (ww-l)/2);
waddstr(currwin, title);
return tui_gets(buf, 1, 1, n);
}
static char *pattern;
static int maxlen;
static void put_filename(char *s, int x, int y, attr_t a)
{
char buf[256];
int i;
tui_gotoxy(x,y);
if (strcmp(s, ".") == 0)
strcpy(buf, "(none)");
else
strcpy(buf, s);
buf[maxlen] = 0;
for (i = 0; i < strlen(buf); i++)
waddch(currwin, buf[i] | a);
for (; i < maxlen; i++)
waddch(currwin, ' ' | a);
}
static char fsbuf[256];
static int selectfn(const struct dirent *de)
{
int l1, l2;
/* l1 = strlen(pattern + 1);*/
l2 = strlen(de->d_name);
if (l2 >= tui_cols()-10) /* Restrict length of filenames so we won't mess up the display */
return 0;
/* No pattern matching for now. But we don't show hidden files. */
if (strcmp(de->d_name, ".") != 0 && strcmp(de->d_name, "..") != 0
&& de->d_name[0] == '.')
return 0;
if (l2 > maxlen)
maxlen = l2;
return 1;
}
char *tui_filereq(char *s, char *oldfile)
{
char cwd[256];
char *retval = fsbuf;
char *tmp;
int fin = 0;
/* Save wd */
if (getcwd(cwd, 256) == NULL)
return NULL;
/* Change into directory of old file */
strcpy(fsbuf, oldfile);
tmp = strrchr(fsbuf, '/');
if (tmp != NULL) {
*tmp = 0;
if (strlen(fsbuf) > 0)
chdir(fsbuf);
}
pattern = s;
if (s[0] != '*')
fprintf(stderr, "Can't handle wildcard %s\n", s);
if (s[1] != 0 && strchr(s+1, '*') != NULL)
fprintf(stderr, "Can't handle wildcard %s\n", s);
for (;!fin;) {
struct dirent **names;
int i, w, n, l, yp, oldyp, s;
maxlen = 0;
n = scandir(".", &names, selectfn, alphasort);
if (n <= 0)
return NULL;
l = n;
if (l > 15)
l = 15;
yp = s = 0; oldyp = -1;
w = tui_dlog(5, 5, 5 + maxlen + 3, 5 + l + 1);
tui_selwin(w); tui_drawbox(w);
for (;;) {
int c;
char tmp[256];
while (s < yp)
yp--;
while (s >= yp + l)
yp++;
if (oldyp != yp) {
oldyp = yp;
for (i = 0; i < l; i++) {
put_filename(names[i + yp]->d_name, 3, 2 + i, 0);
}
}
put_filename(names[s]->d_name, 3, 2 + s - yp, A_STANDOUT);
tui_refresh();
c = getch();
put_filename(names[s]->d_name, 3, 2 + s - yp, 0);
if (c == 27) {
retval = NULL; fin = 1;
break;
} else if (c == KEY_ENTER || c == 13 || c == ' ') {
int err;
if (strcmp(names[s]->d_name, ".") == 0) {
fin = 1;
strcpy(fsbuf, "");
break;
}
err = chdir(names[s]->d_name);
if (err == 0)
break;
else if (errno == ENOTDIR) {
fin = 1;
if (getcwd(fsbuf, 256) == NULL)
retval = NULL;
if (strlen(fsbuf) + strlen(names[s]->d_name) + 2 >= 256)
retval = NULL;
else {
strcat(fsbuf, "/");
strcat(fsbuf, names[s]->d_name);
}
break;
} /* else what? */
}
switch (c) {
case KEY_UP:
if (s > 0)
s--;
break;
case KEY_DOWN:
if (s + 1 < n)
s++;
break;
case KEY_PPAGE:
if (s > l)
s -= l;
else
s = 0;
break;
case KEY_NPAGE:
if (s + l < n)
s += l;
else
s = n - 1;
break;
default:
for (i = 0; i < n; i++)
if (names[i]->d_name[0] == c) {
s = i;
break;
}
}
}
#if 0
/* @@@ is this right? */
for (i = 0; i < n; i++)
free(names[i]->d_name);
free(names);
#endif
tui_dlogdie(w);
}
chdir(cwd);
return retval;
}
int tui_backup_optionsfile(void)
{
char tmp[257];
strcpy(tmp, optionsfile);
strcat(tmp, "~");
return rename(optionsfile, tmp);
}