Add navigation with arrow keys - sacc - sacc(omys), simple console gopher client

git clone git://bitreich.org/sacc/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/sacc/

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---

commit 6cd1427b61606300e7fcc7718863a0ad332908a6

parent 1f6a07a9ac37cb70cc30ef54684c92baae51fb71

Author: Quentin Rameau 

Date:   Mon,  3 Jul 2017 11:52:23 +0200

Add navigation with arrow keys

Diffstat:
  M ui_ti.c                             |      59 ++++++++++++++++++++++---------

1 file changed, 43 insertions(+), 16 deletions(-)
---

diff --git a/ui_ti.c b/ui_ti.c

@@ -8,13 +8,13 @@
 
 static struct termios tsave;
 /* navigation keys */
-#define ui_lndown        'j' /* move one line down */
-#define ui_lnup                'k' /* move one line up */
-#define ui_pgnext        'l' /* view highlighted item */
-#define ui_pgprev        'h' /* view previous item */
-#define ui_fetch        'L' /* refetch current item */
-#define ui_help                '?' /* display help */
-#define ui_quit                'q' /* exit sacc */
+#define _key_lndown        'j' /* move one line down */
+#define _key_lnup        'k' /* move one line up */
+#define _key_pgnext        'l' /* view highlighted item */
+#define _key_pgprev        'h' /* view previous item */
+#define _key_fetch        'L' /* refetch current item */
+#define _key_help        '?' /* display help */
+#define _key_quit        'q' /* exit sacc */
 
 void
 uisetup(void)
@@ -142,31 +142,58 @@ movecurline(Item *item, int l)
 Item *
 selectitem(Item *entry)
 {
-        char c;
         Item *hole;
         int item, nitems;
 
         for (;;) {
-                switch (c = getchar()) {
-                case ui_pgprev:
+                switch (getchar()) {
+                case 0x1b: /* ESC */
+                        switch (getchar()) {
+                        case 0x1b:
+                                goto quit;
+                        case '[':
+                                break;
+                        default:
+                                continue;
+                        }
+                        switch (getchar()) {
+                        case 'A':
+                                goto lnup;
+                        case 'B':
+                                goto lndown;
+                        case 'C':
+                                goto pgnext;
+                        case 'D':
+                                goto pgprev;
+                        case 0x1b:
+                                goto quit;
+                        }
+                        continue;
+                case _key_pgprev:
+                pgprev:
                         return entry->entry;
-                case ui_pgnext:
+                case _key_pgnext:
+                case '\r':
+                pgnext:
                         if (entry->dir->items[entry->curline]->type < '2')
                                 return entry->dir->items[entry->curline];
                         continue;
-                case ui_lndown:
+                case _key_lndown:
+                lndown:
                         movecurline(entry, 1);
                         continue;
-                case ui_lnup:
+                case _key_lnup:
+                lnup:
                         movecurline(entry, -1);
                         continue;
-                case ui_quit:
+                case _key_quit:
+                quit:
                         return NULL;
-                case ui_fetch:
+                case _key_fetch:
                         if (entry->raw)
                                 continue;
                         return entry;
-                case ui_help: /* FALLTHROUGH */
+                case _key_help: /* FALLTHROUGH */
                         help();
                 default:
                         continue;