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-rw-r--r--nncmpp.c70
1 files changed, 51 insertions, 19 deletions
diff --git a/nncmpp.c b/nncmpp.c
index 2f6ed0b..1deb23e 100644
--- a/nncmpp.c
+++ b/nncmpp.c
@@ -3030,40 +3030,72 @@ info_tab_init (void)
// --- Help tab ----------------------------------------------------------------
-static void
-help_tab_on_item_draw (size_t item_index, struct row_buffer *buffer, int width)
-{
- (void) width;
-
- // TODO: group them the other way around for clarity
- // - go through 0..ACTION_COUNT
- // - ...
-
- hard_assert (item_index < g_normal_keys_len);
- struct binding *binding = &g_normal_keys[item_index];
+static struct strv g_help_tab_lines;
+static size_t
+help_tab_strfkey (const termo_key_t *key, char *buf, size_t len)
+{
// For display purposes, this is highly desirable
int flags = termo_get_flags (g.tk);
termo_set_flags (g.tk, flags | TERMO_FLAG_SPACESYMBOL);
- termo_key_t key = binding->decoded;
- termo_canonicalise (g.tk, &key);
+ termo_key_t fixed = *key;
+ termo_canonicalise (g.tk, &fixed);
termo_set_flags (g.tk, flags);
+ return termo_strfkey_utf8 (g.tk, buf, len, &fixed, TERMO_FORMAT_ALTISMETA);
+}
+static void
+help_tab_group (struct binding *keys, size_t len, struct strv *out)
+{
char buf[16];
- termo_strfkey_utf8 (g.tk, buf, sizeof buf, &key, TERMO_FORMAT_ALTISMETA);
- char *text = xstrdup_printf ("%-12s %s",
- buf, g_actions[binding->action].description);
- row_buffer_append (buffer, text, 0);
- free (text);
+ for (enum action i = 0; i < ACTION_COUNT; i++)
+ {
+ struct strv ass = strv_make ();
+ for (size_t k = 0; k < len; k++)
+ {
+ if (keys[k].action != i)
+ continue;
+ help_tab_strfkey (&keys[k].decoded, buf, sizeof buf);
+ strv_append (&ass, buf);
+ }
+ if (ass.len)
+ {
+ char *joined = strv_join (&ass, ", ");
+ strv_append_owned (out, xstrdup_printf
+ (" %-30s %s", g_actions[i].description, joined));
+ free (joined);
+ }
+ strv_free (&ass);
+ }
+}
+
+static void
+help_tab_on_item_draw (size_t item_index, struct row_buffer *buffer, int width)
+{
+ (void) width;
+
+ hard_assert (item_index < g_help_tab_lines.len);
+ const char *line = g_help_tab_lines.vector[item_index];
+ row_buffer_append (buffer, line, *line == ' ' ? 0 : A_BOLD);
}
static struct tab *
help_tab_init (void)
{
+ g_help_tab_lines = strv_make ();
+
+ strv_append (&g_help_tab_lines, "Normal mode actions");
+ help_tab_group (g_normal_keys, g_normal_keys_len, &g_help_tab_lines);
+ strv_append (&g_help_tab_lines, "");
+
+ strv_append (&g_help_tab_lines, "Editor mode actions");
+ help_tab_group (g_editor_keys, g_editor_keys_len, &g_help_tab_lines);
+ strv_append (&g_help_tab_lines, "");
+
static struct tab super;
tab_init (&super, "Help");
super.on_item_draw = help_tab_on_item_draw;
- super.item_count = g_normal_keys_len;
+ super.item_count = g_help_tab_lines.len;
return &super;
}