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https://github.com/jarun/nnn.git
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Scan for selection status on redraw()
This commit is contained in:
Arun Prakash Jana
parent
60f310160a
commit
96f2dfa8a5
104
src/nnn.c
104
src/nnn.c
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@ -217,6 +217,7 @@
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#define SYM_ORPHAN 0x04
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#define FILE_MISSING 0x08
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#define FILE_SELECTED 0x10
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#define FILE_SCANNED 0x20
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/* Macros to define process spawn behaviour as flags */
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#define F_NONE 0x00 /* no flag set */
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@ -820,7 +821,6 @@ static void redraw(char *path);
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static int spawn(char *file, char *arg1, char *arg2, char *arg3, ushort_t flag);
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static void move_cursor(int target, int ignore_scrolloff);
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static char *load_input(int fd, const char *path);
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static int editselection(void);
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static int set_sort_flags(int r);
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#ifndef NOFIFO
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static void notify_fifo(bool force);
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@ -1406,16 +1406,20 @@ static void writesel(const char *buf, const size_t buflen)
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printwarn(NULL);
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}
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static void appendfpath(const char *path, const size_t len)
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static bool appendfpath(const char *path, const size_t len)
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{
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bool ret = FALSE;
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if ((selbufpos >= selbuflen) || ((len + 3) > (selbuflen - selbufpos))) {
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selbuflen += PATH_MAX;
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pselbuf = xrealloc(pselbuf, selbuflen);
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ret = TRUE;
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if (!pselbuf)
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errexit();
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}
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selbufpos += xstrsncpy(pselbuf + selbufpos, path, len);
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return ret;
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}
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/* Write selected file paths to fd, linefeed separated */
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@ -1544,10 +1548,8 @@ static char *findinsel(char *startpos, int len)
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found = memmem(found, buflen - (found - startpos), g_buf, len);
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if (!found)
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return NULL;
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if (found == startpos || *(found - 1) == '\0')
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return found;
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/* We found g_buf as a substring of a path, move forward */
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found += len;
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if (found >= startpos + buflen)
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@ -1563,11 +1565,21 @@ static int markcmp(const void *va, const void *vb)
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return ma->startpos - mb->startpos;
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}
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static void findmarkentry(char *path, struct entry *dentp)
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{
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if (!(dentp->flags & FILE_SCANNED)) {
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if (findinsel(findselpos, mkpath(path, dentp->name, g_buf)))
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dentp->flags |= FILE_SELECTED;
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dentp->flags |= FILE_SCANNED;
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}
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}
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static void invertselbuf(char *path)
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{
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size_t len, endpos, offset = 0;
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char *found;
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int nmarked = 0, prev = 0;
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struct entry *dentp;
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selmark *marked = malloc(nselected * sizeof(selmark));
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if (nselected > LARGESEL) {
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@ -1577,12 +1589,15 @@ static void invertselbuf(char *path)
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/* First pass: inversion */
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for (int i = 0; i < ndents; ++i) {
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/* Toggle selection status */
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pdents[i].flags ^= FILE_SELECTED;
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dentp = &pdents[i];
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findmarkentry(path, dentp);
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/* Toggle selection status */
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dentp->flags ^= FILE_SELECTED;
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/* Find where the files marked for deselection are in selection buffer */
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if (!(pdents[i].flags & FILE_SELECTED)) {
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len = mkpath(path, pdents[i].name, g_buf);
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if (!(dentp->flags & FILE_SELECTED)) {
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len = mkpath(path, dentp->name, g_buf);
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found = findinsel(findselpos, len);
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marked[nmarked].startpos = found;
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@ -1658,7 +1673,7 @@ static void invertselbuf(char *path)
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nselected ? writesel(pselbuf, selbufpos - 1) : clearselection();
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}
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/* removes g_buf from selbuf */
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/* Removes g_buf from selbuf */
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static void rmfromselbuf(size_t len)
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{
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char *found = findinsel(findselpos, len);
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@ -1671,17 +1686,42 @@ static void rmfromselbuf(size_t len)
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nselected ? writesel(pselbuf, selbufpos - 1) : clearselection();
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}
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static bool scanselforpath(const char *path)
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{
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if (!path[1]) { /* path should always be at least two bytes (including NULL) */
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findselpos = pselbuf;
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return TRUE;
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}
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size_t off = xstrsncpy(g_buf, path, PATH_MAX);
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g_buf[off - 1] = '/';
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/*
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* We set findselpos only here. Directories can be listed in arbitrary order.
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* This is the best best we can do for remembering position.
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*/
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findselpos = findinsel(NULL, off);
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return (findselpos != NULL);
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}
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static void addtoselbuf(char *path, int startid, int endid)
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{
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size_t len = appendslash(path);
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struct entry *dentp;
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/* Remember current selection buffer position */
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for (int i = startid; i <= endid; ++i) {
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if (!(pdents[i].flags & FILE_SELECTED)) {
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/* Write the path to selection file to avoid flush */
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appendfpath(path, len + xstrsncpy(path + len, pdents[i].name, PATH_MAX - len));
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dentp = &pdents[i];
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if (findselpos)
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findmarkentry(path, dentp);
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else
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dentp->flags |= FILE_SCANNED;
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pdents[i].flags |= FILE_SELECTED;
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if (!(dentp->flags & FILE_SELECTED)) {
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/* Write the path to selection file to avoid flush */
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if (appendfpath(path, len + xstrsncpy(path + len, dentp->name, PATH_MAX - len)))
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scanselforpath(path);
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dentp->flags |= FILE_SELECTED;
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++nselected;
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}
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}
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@ -5263,10 +5303,9 @@ static int dentfill(char *path, struct entry **ppdents)
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uchar_t entflags = 0;
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int flags = 0;
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struct dirent *dp;
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bool found;
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char *namep, *pnb, *buf = g_buf;
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char *namep, *pnb, *buf;
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struct entry *dentp;
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size_t off, namebuflen = NAMEBUF_INCR;
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size_t off = 0, namebuflen = NAMEBUF_INCR;
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struct stat sb_path, sb;
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DIR *dirp = opendir(path);
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@ -5282,6 +5321,7 @@ static int dentfill(char *path, struct entry **ppdents)
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if (cfg.blkorder) {
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num_files = 0;
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dir_blocks = 0;
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buf = g_buf;
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if (fstatat(fd, path, &sb_path, 0) == -1)
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goto exit;
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@ -5321,21 +5361,6 @@ static int dentfill(char *path, struct entry **ppdents)
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}
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#endif
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if (path[1]) { /* path should always be at least two bytes (including NULL) */
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off = xstrsncpy(buf, path, PATH_MAX);
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buf[off - 1] = '/';
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/*
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* We set findselpos only here. Directories can be listed in arbitrary order.
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* This is the best best we can do for remembering position.
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*/
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found = (findselpos = findinsel(NULL, off)) != NULL;
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} else {
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findselpos = NULL;
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found = TRUE;
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}
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off = 0;
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do {
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namep = dp->d_name;
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@ -5351,7 +5376,7 @@ static int dentfill(char *path, struct entry **ppdents)
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if (S_ISDIR(sb.st_mode)) {
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if (sb_path.st_dev == sb.st_dev) { // NOLINT
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mkpath(path, namep, buf);
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mkpath(path, namep, buf); // NOLINT
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dirwalk(path, buf, -1, FALSE);
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if (g_state.interrupt)
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@ -5477,12 +5502,9 @@ static int dentfill(char *path, struct entry **ppdents)
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entflags = 0;
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}
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if (found && findinsel(findselpos, mkpath(path, dentp->name, buf)) != NULL)
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dentp->flags |= FILE_SELECTED;
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if (cfg.blkorder) {
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if (S_ISDIR(sb.st_mode)) {
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mkpath(path, namep, buf);
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mkpath(path, namep, buf); // NOLINT
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/* Need to show the disk usage of this dir */
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dirwalk(path, buf, ndents, (sb_path.st_dev != sb.st_dev)); // NOLINT
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@ -6180,9 +6202,15 @@ static void redraw(char *path)
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ncols = adjust_cols(ncols);
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bool found = scanselforpath(path);
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/* Print listing */
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for (i = curscroll; i < onscreen; ++i) {
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move(++j, 0);
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if (found)
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findmarkentry(path, &pdents[i]);
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printent(&pdents[i], ncols, i == cur);
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}
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@ -7041,9 +7069,11 @@ nochange:
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selstartid = 0;
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selendid = ndents - 1;
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scanselforpath(path);
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}
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(sel == SEL_SELINV)
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((sel == SEL_SELINV) && findselpos)
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? invertselbuf(path) : addtoselbuf(path, selstartid, selendid);
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#ifndef NOX11
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