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Make help tab items actionable

This commit is contained in:
Přemysl Eric Janouch 2018-10-29 09:46:45 +01:00
parent 5ade0f082e
commit 841e2f79c0
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 57 additions and 18 deletions
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nncmpp.c
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@ -3053,7 +3053,28 @@ info_tab_init (void)
// --- Help tab ----------------------------------------------------------------
static struct strv g_help_tab_lines;
static struct
{
struct tab super; ///< Parent class
ARRAY (enum action, actions) ///< Actions for content
struct strv lines; ///< Visible content
}
g_help_tab;
static bool
help_tab_on_action (enum action action)
{
struct tab *self = g.active_tab;
if (self->item_selected < 0
|| self->item_selected >= (int) g_help_tab.actions_len
|| action != ACTION_CHOOSE)
return false;
action = g_help_tab.actions[self->item_selected];
return action != ACTION_NONE
&& action != ACTION_CHOOSE // avoid recursion
&& app_process_action (action);
}
static void
help_tab_strfkey (const termo_key_t *key, struct strv *out)
@ -3070,6 +3091,18 @@ help_tab_strfkey (const termo_key_t *key, struct strv *out)
strv_append (out, buf);
}
static void
help_tab_assign_action (enum action action)
{
hard_assert (g_help_tab.lines.len > g_help_tab.actions_len);
size_t to_push = g_help_tab.lines.len - g_help_tab.actions_len;
ARRAY_RESERVE (g_help_tab.actions, to_push);
for (size_t i = 1; i < to_push; i++)
g_help_tab.actions[g_help_tab.actions_len++] = ACTION_NONE;
g_help_tab.actions[g_help_tab.actions_len++] = action;
}
static void
help_tab_group (struct binding *keys, size_t len, struct strv *out,
bool bound[ACTION_COUNT])
@ -3088,6 +3121,7 @@ help_tab_group (struct binding *keys, size_t len, struct strv *out,
free (joined);
bound[i] = true;
help_tab_assign_action (i);
}
strv_free (&ass);
}
@ -3101,6 +3135,7 @@ help_tab_unbound (struct strv *out, bool bound[ACTION_COUNT])
{
strv_append_owned (out,
xstrdup_printf (" %-30s", g_actions[i].description));
help_tab_assign_action (i);
}
}
@ -3109,24 +3144,27 @@ 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];
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 ();
ARRAY_INIT (g_help_tab.actions);
struct strv *lines = &g_help_tab.lines;
*lines = strv_make ();
bool bound[ACTION_COUNT] = { [ACTION_NONE] = true };
strv_append (&g_help_tab_lines, "Normal mode actions");
help_tab_group (g_normal_keys, g_normal_keys_len, &g_help_tab_lines, bound);
strv_append (&g_help_tab_lines, "");
strv_append (lines, "Normal mode actions");
help_tab_group (g_normal_keys, g_normal_keys_len, lines, bound);
strv_append (lines, "");
strv_append (&g_help_tab_lines, "Editor mode actions");
help_tab_group (g_editor_keys, g_editor_keys_len, &g_help_tab_lines, bound);
strv_append (&g_help_tab_lines, "");
strv_append (lines, "Editor mode actions");
help_tab_group (g_editor_keys, g_editor_keys_len, lines, bound);
strv_append (lines, "");
bool have_unbound = false;
for (enum action i = 0; i < ACTION_COUNT; i++)
@ -3135,16 +3173,17 @@ help_tab_init (void)
if (have_unbound)
{
strv_append (&g_help_tab_lines, "Unbound actions");
help_tab_unbound (&g_help_tab_lines, bound);
strv_append (&g_help_tab_lines, "");
strv_append (lines, "Unbound actions");
help_tab_unbound (lines, bound);
strv_append (lines, "");
}
static struct tab super;
tab_init (&super, "Help");
super.on_item_draw = help_tab_on_item_draw;
super.item_count = g_help_tab_lines.len;
return &super;
struct tab *super = &g_help_tab.super;
tab_init (super, "Help");
super->on_action = help_tab_on_action;
super->on_item_draw = help_tab_on_item_draw;
super->item_count = lines->len;
return super;
}
// --- Debug tab ---------------------------------------------------------------