Add a log tab in debug mode

This commit is contained in:
Přemysl Eric Janouch 2016-10-02 06:34:00 +02:00
parent 505a2559b8
commit 800728da2b
Signed by: p
GPG Key ID: B715679E3A361BE6

161
nncmpp.c
View File

@ -638,47 +638,6 @@ row_buffer_flush (struct row_buffer *self)
row_buffer_print (chunk, self->chars_tail->attrs);
}
// --- Help tab ----------------------------------------------------------------
// TODO: either find something else to put in here or remove the wrapper struct
static struct
{
struct tab super; ///< Parent class
}
g_help_tab;
static struct help_tab_item
{
const char *text; ///< Item text
}
g_help_items[] =
{
{ "First entry on the list" },
{ "Something different" },
{ "Yet another item" },
};
static void
help_tab_on_item_draw (struct tab *self, unsigned item_index,
struct row_buffer *buffer)
{
(void) self;
hard_assert (item_index <= N_ELEMENTS (g_help_items));
row_buffer_append (buffer, g_help_items[item_index].text, 0);
}
static struct tab *
help_tab_create ()
{
struct tab *super = &g_help_tab.super;
tab_init (super, "Help");
super->on_item_draw = help_tab_on_item_draw;
super->item_count = N_ELEMENTS (g_help_items);
super->item_selected = 0;
return super;
}
// --- Rendering ---------------------------------------------------------------
/// Write the given UTF-8 string padded with spaces.
@ -1049,13 +1008,17 @@ app_one_item_down (void)
}
static bool
app_goto_tab (unsigned n)
app_goto_tab (int tab_index)
{
// TODO: go to tab n, return false if out of range
int i = 0;
LIST_FOR_EACH (struct tab, iter, g_ctx.tabs)
if (i++ == tab_index)
{
g_ctx.active_tab = iter;
app_redraw ();
return true;
}
return false;
app_redraw ();
return true;
}
static void
@ -1645,6 +1608,81 @@ app_on_reconnect (void *user_data)
free (address);
}
// --- Help tab ----------------------------------------------------------------
// TODO: either find something else to put in here or remove the wrapper struct
static struct
{
struct tab super; ///< Parent class
}
g_help_tab;
static struct help_tab_item
{
const char *text; ///< Item text
}
g_help_items[] =
{
{ "First entry on the list" },
{ "Something different" },
{ "Yet another item" },
};
static void
help_tab_on_item_draw (struct tab *self, unsigned item_index,
struct row_buffer *buffer)
{
(void) self;
hard_assert (item_index <= N_ELEMENTS (g_help_items));
row_buffer_append (buffer, g_help_items[item_index].text, 0);
}
static struct tab *
help_tab_create (void)
{
struct tab *super = &g_help_tab.super;
tab_init (super, "Help");
super->on_item_draw = help_tab_on_item_draw;
super->item_count = N_ELEMENTS (g_help_items);
super->item_selected = 0;
return super;
}
// --- Debug tab ---------------------------------------------------------------
static struct
{
struct tab super; ///< Parent class
struct str_vector lines; ///< Lines
bool active; ///< The tab is present
}
g_debug_tab;
static void
debug_tab_on_item_draw (struct tab *self, unsigned item_index,
struct row_buffer *buffer)
{
(void) self;
hard_assert (item_index <= g_debug_tab.lines.len);
row_buffer_append (buffer, g_debug_tab.lines.vector[item_index], 0);
}
static struct tab *
debug_tab_create (void)
{
str_vector_init (&g_debug_tab.lines);
g_debug_tab.active = true;
struct tab *super = &g_debug_tab.super;
tab_init (super, "Debug");
super->on_item_draw = debug_tab_on_item_draw;
super->item_count = 0;
super->item_selected = 0;
return super;
}
// --- Initialisation, event handling ------------------------------------------
static void
@ -1727,15 +1765,22 @@ app_log_handler (void *user_data, const char *quote, const char *fmt,
// If the standard error output isn't redirected, try our best at showing
// the message to the user; it will probably get overdrawn soon
// TODO: remember it somewhere so that it stays shown for a while
if (isatty (STDERR_FILENO))
if (!isatty (STDERR_FILENO))
fprintf (stderr, "%s\n", message.str);
else if (g_debug_tab.active)
{
str_vector_add (&g_debug_tab.lines, message.str);
// TODO: there should be a better, more efficient mechanism for this
g_debug_tab.super.item_count++;
app_redraw_view ();
}
else
{
// TODO: remember the position and attributes and restore them
attrset (A_REVERSE);
mvwhline (stdscr, LINES - 1, 0, A_REVERSE, COLS);
app_write_utf8 (message.str, 0, COLS);
}
else
fprintf (stderr, "%s\n", message.str);
str_free (&message);
in_processing = false;
@ -1813,11 +1858,22 @@ main (int argc, char *argv[])
app_init_context ();
app_load_configuration ();
app_init_terminal ();
// Redirect all messages from liberty to a special tab so they're not lost
if (g_debug_mode)
{
struct tab *tab = debug_tab_create ();
LIST_PREPEND (g_ctx.tabs, tab);
}
g_log_message_real = app_log_handler;
// TODO: create more tabs
// TODO: in debug mode add a tab with all messages
LIST_PREPEND (g_ctx.tabs, help_tab_create ());
// TODO: create more tabs, beware of the list macro
{
struct tab *tab = help_tab_create ();
LIST_PREPEND (g_ctx.tabs, tab);
}
g_ctx.active_tab = g_ctx.tabs;
app_redraw ();
@ -1833,4 +1889,3 @@ main (int argc, char *argv[])
app_free_context ();
return 0;
}