tAdd keys to scroll to next/prev browseable entry - sacc - sacc (saccomys): simple gopher client.

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---

commit 90277d09e34282cbd7c21fbc6b0f5190aca3df21

parent 38704075332efd50523896ea0ae68275b7fe0a0f

Author: Quentin Rameau 

Date:   Fri,  1 Sep 2017 16:09:47 +0200

Add keys to scroll to next/prev browseable entry

Diffstat:
  config.def.h                        |       2 ++
  ui_ti.c                             |      25 +++++++++++++++++++++++++

2 files changed, 27 insertions(+), 0 deletions(-)
---

diff --git a/config.def.h b/config.def.h

t@@ -2,7 +2,9 @@
 
 /* Screen UI navigation keys */
 #define _key_lndown        'j' /* move one line down */
+#define _key_entrydown        'J' /* move to next link */
 #define _key_lnup        'k' /* move one line up */
+#define _key_entryup        'K' /* move to next link */
 #define _key_pgdown        ' ' /* move one screen down */
 #define _key_pgup        'b' /* move one screen up */
 #define _key_home        'g' /* move to the top of page */

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

t@@ -334,6 +334,25 @@ jumptoline(Item *entry, ssize_t line, int absolute)
         return;
 }
 
+static ssize_t
+nearentry(Item *entry, int direction)
+{
+        Dir *dir = entry->dat;
+        size_t item, lastitem;
+
+        if (!dir)
+                return -1;
+        lastitem = dir->nitems;
+        item = dir->curline + direction;
+
+        for (; item >= 0 && item < lastitem; item += direction) {
+                if (dir->items[item]->type != 'i')
+                        return item;
+        }
+
+        return dir->curline;
+}
+
 Item *
 uiselectitem(Item *entry)
 {
t@@ -394,6 +413,9 @@ uiselectitem(Item *entry)
                 lndown:
                         movecurline(entry, 1);
                         continue;
+                case _key_entrydown:
+                        jumptoline(entry, nearentry(entry, 1), 1);
+                        continue;
                 case _key_pgdown:
                 pgdown:
                         jumptoline(entry, dir->printoff + plines, 0);
t@@ -406,6 +428,9 @@ uiselectitem(Item *entry)
                 lnup:
                         movecurline(entry, -1);
                         continue;
+                case _key_entryup:
+                        jumptoline(entry, nearentry(entry, -1), 1);
+                        continue;
                 case _key_pgup:
                 pgup:
                         jumptoline(entry, dir->printoff - plines, 0);