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authorPřemysl Janouch <p.janouch@gmail.com>2016-10-02 06:34:00 +0200
committerPřemysl Janouch <p.janouch@gmail.com>2016-10-02 06:34:00 +0200
commit800728da2ba72663b7dff854557af70dd3bbdc39 (patch)
treea2289adb1892911a8ffc474d270fde85ae6959ca /nncmpp.c
parent505a2559b8658c5ec47ae925b4d73f2b34ca7bda (diff)
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Add a log tab in debug mode
Diffstat (limited to 'nncmpp.c')
-rw-r--r--nncmpp.c161
1 files changed, 108 insertions, 53 deletions
diff --git a/nncmpp.c b/nncmpp.c
index eb898dc..cdeaf82 100644
--- a/nncmpp.c
+++ b/nncmpp.c
@@ -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;
}
-