Key A to invert selection

diff --git a/src/nnn.c b/src/nnn.c
index 36e2c30d0b769f8518a025c7428e5d33f5788b08..59bfb00187cc26e2f86da2ed1580cbfe9ba85a36 100644 (file)
--- a/src/nnn.c
+++ b/src/nnn.c
@@ -4617,9 +4617,10 @@ static void show_help(const char *path)
                  "cz  Archive%-17ce  Edit file\n"
                  "c*  Toggle exe%-14c>  Export list\n"
           "5Space ^J  (Un)select%-7cm ^Space  Mark range/clear sel\n"
-              "9p ^P  Copy sel here%-11ca  Select all\n"
-              "9v ^V  Move sel here%-8cw ^W  Cp/mv sel as\n"
-              "9x ^X  Delete%-18cE  Edit sel\n"
+                 "ca  Select all%-14cA  Invert sel\n"
+              "9p ^P  Copy sel here%-8cw ^W  Cp/mv sel as\n"
+              "9v ^V  Move sel here%-11cE  Edit sel\n"
+              "9x ^X  Delete\n"
                "1MISC\n"
              "8Alt ;  Select plugin%-11c=  Launch app\n"
               "9! ^]  Shell%-19c]  Cmd prompt\n"
@@ -6615,8 +6616,9 @@ nochange:
                                clearselection();
                                break;
                        } // fallthrough
-               case SEL_SELALL:
-                       if (sel == SEL_SELALL) {
+               case SEL_SELALL: // fallthrough
+               case SEL_SELINV:
+                       if (sel == SEL_SELALL || sel == SEL_SELINV) {
                                if (!ndents)
                                        goto nochange;
 
@@ -6628,17 +6630,34 @@ nochange:
                                selendid = ndents - 1;
                        }
 
-                       /* Remember current selection buffer position */
-                       for (r = selstartid; r <= selendid; ++r)
-                               if (!(pdents[r].flags & FILE_SELECTED)) {
-                                       /* Write the path to selection file to avoid flush */
-                                       appendfpath(newpath, mkpath(path, pdents[r].name, newpath));
+                       if (sel == SEL_SELINV) {
+                               /* Toggle selection status */
+                               for (r = selstartid; r <= selendid; ++r) {
+                                       pdents[r].flags ^= FILE_SELECTED;
+                                       pdents[r].flags & FILE_SELECTED ? ++nselected : --nselected;
+                               }
 
-                                       pdents[r].flags |= FILE_SELECTED;
-                                       ++nselected;
+                               selbufpos = lastappendpos;
+                               if (nselected) {
+                                       updateselbuf(path, newpath);
+                                       writesel(pselbuf, selbufpos - 1); /* Truncate NULL from end */
+                               } else
+                                       writesel(NULL, 0);
+                       } else {
+                               /* Remember current selection buffer position */
+                               for (r = selstartid; r <= selendid; ++r) {
+                                       if (!(pdents[r].flags & FILE_SELECTED)) {
+                                               /* Write the path to selection file to avoid flush */
+                                               appendfpath(newpath, mkpath(path, pdents[r].name, newpath));
+
+                                               pdents[r].flags |= FILE_SELECTED;
+                                               ++nselected;
+                                       }
                                }
 
-                       writesel(pselbuf, selbufpos - 1); /* Truncate NULL from end */
+                               writesel(pselbuf, selbufpos - 1); /* Truncate NULL from end */
+                       }
+
                        if (cfg.x11)
                                plugscript(utils[UTIL_CBCP], F_NOWAIT | F_NOTRACE);
                        continue;

diff --git a/src/nnn.h b/src/nnn.h
index 222d1a955b34587534e6e0cd505799973d49a606..605caff36b2cf74152a9932af99628debdd9838f 100644 (file)
--- a/src/nnn.h
+++ b/src/nnn.h
@@ -87,6 +87,7 @@ enum action {
        SEL_SEL,
        SEL_SELMUL,
        SEL_SELALL,
+       SEL_SELINV,
        SEL_SELEDIT,
        SEL_CP,
        SEL_MV,
@@ -215,6 +216,8 @@ static struct key bindings[] = {
        { CONTROL(' '),   SEL_SELMUL },
        /* Select all files in current dir */
        { 'a',            SEL_SELALL },
+       /* Invert selection in current dir */
+       { 'A',            SEL_SELINV },
        /* List, edit selection */
        { 'E',            SEL_SELEDIT },
        /* Copy from selection buffer */