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Smooth screen resize handling

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Arun Prakash Jana 2019-03-11 05:08:39 +05:30
parent 5d9bfed5a3
commit 013ab595b2
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GPG key ID: A75979F35C080412
1 changed files with 27 additions and 16 deletions
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33
src/nnn.c
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@ -325,6 +325,7 @@ static context g_ctx[CTX_MAX] __attribute__ ((aligned));
static struct entry *dents; static struct entry *dents;
static char *pnamebuf, *pcopybuf; static char *pnamebuf, *pcopybuf;
static int ndents, cur, total_dents = ENTRY_INCR; static int ndents, cur, total_dents = ENTRY_INCR;
static int xlines, xcols;
static uint idle; static uint idle;
static uint idletimeout, copybufpos, copybuflen; static uint idletimeout, copybufpos, copybuflen;
static char *opener; static char *opener;
@ -584,7 +585,7 @@ static char *xitoa(uint val)
/* Messages show up at the bottom */ /* Messages show up at the bottom */
static void printmsg(const char *msg) static void printmsg(const char *msg)
{ {
mvprintw(LINES - 1, 0, "%s\n", msg); mvprintw(xlines - 1, 0, "%s\n", msg);
} }
/* Kill curses and display error before exiting */ /* Kill curses and display error before exiting */
@ -1445,7 +1446,7 @@ static int setfilter(regex_t *regex, const char *filter)
int r = regcomp(regex, filter, REG_NOSUB | REG_EXTENDED | REG_ICASE); int r = regcomp(regex, filter, REG_NOSUB | REG_EXTENDED | REG_ICASE);
if (r != 0 && filter && filter[0] != '\0') if (r != 0 && filter && filter[0] != '\0')
mvprintw(LINES - 1, 0, "regex error: %d\n", r); mvprintw(xlines - 1, 0, "regex error: %d\n", r);
return r; return r;
} }
@ -2557,7 +2558,7 @@ static int dentfill(char *path, struct entry **dents)
ent_blocks = 0; ent_blocks = 0;
mkpath(path, namep, g_buf); mkpath(path, namep, g_buf);
mvprintw(LINES - 1, 0, "scanning %s [^C aborts]\n", mvprintw(xlines - 1, 0, "scanning %s [^C aborts]\n",
xbasename(g_buf)); xbasename(g_buf));
refresh(); refresh();
if (nftw(g_buf, nftw_fn, open_max, if (nftw(g_buf, nftw_fn, open_max,
@ -2642,7 +2643,8 @@ static int dentfill(char *path, struct entry **dents)
num_saved = num_files + 1; num_saved = num_files + 1;
mkpath(path, namep, g_buf); mkpath(path, namep, g_buf);
mvprintw(LINES - 1, 0, "scanning %s [^C aborts]\n", xbasename(g_buf)); mvprintw(xlines - 1, 0, "scanning %s [^C aborts]\n",
xbasename(g_buf));
refresh(); refresh();
if (nftw(g_buf, nftw_fn, open_max, FTW_MOUNT | FTW_PHYS) == -1) { if (nftw(g_buf, nftw_fn, open_max, FTW_MOUNT | FTW_PHYS) == -1) {
printmsg(messages[STR_NFTWFAIL_ID]); printmsg(messages[STR_NFTWFAIL_ID]);
@ -2732,8 +2734,11 @@ static void populate(char *path, char *lastname)
static void redraw(char *path) static void redraw(char *path)
{ {
size_t ncols = (COLS <= PATH_MAX) ? COLS : PATH_MAX; xlines = LINES;
int lastln = LINES; xcols = COLS;
int ncols = (xcols <= PATH_MAX) ? xcols : PATH_MAX;
int lastln = xlines;
int nlines = MIN(lastln - 4, ndents), i, attrs; int nlines = MIN(lastln - 4, ndents), i, attrs;
char buf[12]; char buf[12];
char c; char c;
@ -3089,11 +3094,11 @@ nochange:
break; break;
case SEL_PGDN: case SEL_PGDN:
if (cur < ndents - 1) if (cur < ndents - 1)
cur += MIN((LINES - 4) / 2, ndents - 1 - cur); cur += MIN((xlines - 4) / 2, ndents - 1 - cur);
break; break;
case SEL_PGUP: case SEL_PGUP:
if (cur > 0) if (cur > 0)
cur -= MIN((LINES - 4) / 2, cur); cur -= MIN((xlines - 4) / 2, cur);
break; break;
case SEL_HOME: case SEL_HOME:
cur = 0; cur = 0;
@ -3536,7 +3541,7 @@ nochange:
dents[r].flags |= FILE_COPIED; dents[r].flags |= FILE_COPIED;
} }
mvprintw(LINES - 1, 0, "%d files selected\n", mvprintw(xlines - 1, 0, "%d files selected\n",
copyendid - copystartid + 1); copyendid - copystartid + 1);
} }
@ -3546,7 +3551,7 @@ nochange:
spawn(copier, NULL, NULL, NULL, F_NOTRACE); spawn(copier, NULL, NULL, NULL, F_NOTRACE);
if (ncp) /* Some files cherry picked */ if (ncp) /* Some files cherry picked */
mvprintw(LINES - 1, 0, "%d files selected\n", ncp); mvprintw(xlines - 1, 0, "%d files selected\n", ncp);
} else } else
printmsg("selection off"); printmsg("selection off");
goto nochange; goto nochange;
@ -3935,13 +3940,19 @@ nochange:
dentfree(dents); dentfree(dents);
return; return;
} /* switch (sel) */ default:
if (xlines != LINES || xcols != COLS)
goto begin;
/* Locker */ /* Locker */
if (idletimeout != 0 && idle == idletimeout) { if (idletimeout != 0 && idle == idletimeout) {
idle = 0; idle = 0;
spawn(utils[LOCKER], NULL, NULL, NULL, F_NORMAL | F_SIGINT); spawn(utils[LOCKER], NULL, NULL, NULL, F_NORMAL | F_SIGINT);
goto begin;
} }
goto nochange;
} /* switch (sel) */
} }
} }