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degesch: customizable date change messages 

Now also in the backlog.
This commit is contained in:
Přemysl Eric Janouch 2016-04-10 22:13:53 +02:00
parent c8e4833086
commit d6a9e1dca1
Signed by: p
GPG Key ID: B715679E3A361BE6
1 changed files with 54 additions and 26 deletions
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80
degesch.c
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@ -22,6 +22,7 @@
#define ATTR_TABLE(XX) \
XX( PROMPT, "prompt", "Terminal attrs for the prompt" ) \
XX( RESET, "reset", "String to reset terminal attributes" ) \
XX( DATE_CHANGE, "date_change", "Terminal attrs for date change" ) \
XX( READ_MARKER, "read_marker", "Terminal attrs for the read marker" ) \
XX( WARNING, "warning", "Terminal attrs for warnings" ) \
XX( ERROR, "error", "Terminal attrs for errors" ) \
@ -2317,6 +2318,10 @@ static struct config_schema g_config_behaviour[] =
.type = CONFIG_ITEM_BOOLEAN,
.default_ = "on",
.on_change = on_config_word_wrapping_change },
{ .name = "date_change_line",
.comment = "Input to strftime(3) for the date change line",
.type = CONFIG_ITEM_STRING,
.default_ = "\"%F\"" },
{ .name = "logging",
.comment = "Log buffer contents to file",
.type = CONFIG_ITEM_BOOLEAN,
@ -2612,6 +2617,7 @@ init_colors (struct app_context *ctx)
INIT_ATTR (PROMPT, enter_bold_mode);
INIT_ATTR (RESET, exit_attribute_mode);
INIT_ATTR (DATE_CHANGE, enter_bold_mode);
INIT_ATTR (READ_MARKER, g_terminal.color_set_fg[COLOR_MAGENTA]);
INIT_ATTR (WARNING, g_terminal.color_set_fg[COLOR_YELLOW]);
INIT_ATTR (ERROR, g_terminal.color_set_fg[COLOR_RED]);
@ -3650,7 +3656,8 @@ on_config_backlog_limit_change (struct config_item *item)
}
static void
buffer_update_time (struct app_context *ctx, time_t now)
buffer_update_time (struct app_context *ctx, time_t now, FILE *stream,
int flush_opts)
{
struct tm last, current;
if (!localtime_r (&ctx->last_displayed_msg_time, &last)
@ -3667,10 +3674,22 @@ buffer_update_time (struct app_context *ctx, time_t now)
&& last.tm_mday == current.tm_mday)
return;
char buf[32] = "";
if (soft_assert (strftime (buf, sizeof buf, "%F", &current)))
print_status ("%s", buf);
// Else the buffer was too small, which is pretty weird
char buf[64] = "";
const char *format =
get_config_string (ctx->config.root, "behaviour.date_change_line");
if (!strftime (buf, sizeof buf, format, &current))
{
print_error ("%s: %s", "strftime", strerror (errno));
return;
}
struct formatter f;
formatter_init (&f, ctx, NULL);
formatter_add (&f, "#a#s\n", ATTR_DATE_CHANGE, buf);
formatter_flush (&f, stream, flush_opts);
// Flush the trailing formatting reset item
fflush (stream);
formatter_free (&f);
}
static void
@ -3691,15 +3710,12 @@ buffer_line_flush (struct buffer_line *line, struct formatter *f, FILE *output,
}
static void
buffer_line_display (struct app_context *ctx,
struct buffer_line *line, bool is_external)
buffer_line_write_time (struct formatter *f, struct buffer_line *line,
FILE *stream, int flush_opts)
{
// Normal timestamps don't include the date, this way the user won't be
// confused as to when an event has happened
buffer_update_time (ctx, line->when);
struct formatter f;
formatter_init (&f, ctx, NULL);
buffer_update_time (f->ctx, line->when, stream, flush_opts);
struct tm current;
char buf[9];
@ -3708,7 +3724,18 @@ buffer_line_display (struct app_context *ctx,
else if (!strftime (buf, sizeof buf, "%T", &current))
print_error ("%s: %s", "strftime", "buffer too small");
else
formatter_add (&f, "#a#s#r ", ATTR_TIMESTAMP, buf);
formatter_add (f, "#a#s#r ", ATTR_TIMESTAMP, buf);
}
static void
buffer_line_display (struct app_context *ctx,
struct buffer_line *line, bool is_external)
{
CALL (ctx->input, hide);
struct formatter f;
formatter_init (&f, ctx, NULL);
buffer_line_write_time (&f, line, stdout, 0);
// Ignore all formatting for messages coming from other buffers, that is
// either from the global or server buffer. Instead print them in grey.
@ -3717,11 +3744,10 @@ buffer_line_display (struct app_context *ctx,
formatter_add (&f, "#a", ATTR_EXTERNAL);
FORMATTER_ADD_ITEM (&f, IGNORE_ATTR, .attribute = 1);
}
CALL (ctx->input, hide);
buffer_line_flush (line, &f, stdout, 0);
// Flush the trailing formatting reset item
fflush (stdout);
CALL (ctx->input, show);
}
@ -3731,16 +3757,7 @@ buffer_line_write_to_backlog (struct app_context *ctx,
{
struct formatter f;
formatter_init (&f, ctx, NULL);
struct tm current;
char buf[20];
if (!localtime_r (&line->when, &current))
print_error ("%s: %s", "localtime_r", strerror (errno));
else if (!strftime (buf, sizeof buf, "%F %T", &current))
print_error ("%s: %s", "strftime", "buffer too small");
else
formatter_add (&f, "#a#s#r ", ATTR_TIMESTAMP, buf);
buffer_line_write_time (&f, line, log_file, flush_opts);
buffer_line_flush (line, &f, log_file, flush_opts);
}
@ -4048,6 +4065,10 @@ buffer_print_backlog (struct app_context *ctx, struct buffer *buffer)
tputs (tparm (cursor_address, g_terminal.lines - 1,
0, 0, 0, 0, 0, 0, 0, 0), 1, printer);
fflush (stdout);
// We should update "last_displayed_msg_time" here just to be sure
// that the first date marker, if necessary, is shown, but in practice
// the value should always be from today when this function is called
}
else
{
@ -4073,7 +4094,7 @@ buffer_print_backlog (struct app_context *ctx, struct buffer *buffer)
}
// So that it is obvious if the last line in the buffer is not from today
buffer_update_time (ctx, time (NULL));
buffer_update_time (ctx, time (NULL), stdout, 0);
refresh_prompt (ctx);
CALL (ctx->input, show);
@ -12179,6 +12200,9 @@ display_backlog (struct app_context *ctx, int flush_opts)
buffer_line_write_to_backlog (ctx, line, backlog, flush_opts);
}
// So that it is obvious if the last line in the buffer is not from today
buffer_update_time (ctx, time (NULL), backlog, flush_opts);
rewind (backlog);
set_cloexec (fileno (backlog));
launch_backlog_helper (ctx, fileno (backlog));
@ -13126,7 +13150,11 @@ static void
on_date_change_timer (struct app_context *ctx)
{
if (ctx->terminal_suspended <= 0)
buffer_update_time (ctx, time (NULL));
{
CALL (ctx->input, hide);
buffer_update_time (ctx, time (NULL), stdout, 0);
CALL (ctx->input, show);
}
rearm_date_change_timer (ctx);
}