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Adjust LED update interval according to need

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Add new routine compute_redraw_interval, which returns the appropriate
interval in milliseconds for updating the LED panel, namely 100ms if there
are any downloads, 1000 if the clock is enabled (with a TODO noted to check
whether the date format includes seconds), or 0 otherwise to indicate that
the LED paanel need not be updated

Use the new compute_redraw_interval routine in draw_leds and redraw_leds.

This fixes bug 973, "LED indicators wake system up every 100ms".
This commit is contained in:
Miciah Dashiel Butler Masters 2008-08-02 03:17:14 +00:00
parent bbee237ff0
commit 3433c9d0f6
1 changed files with 27 additions and 7 deletions
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34
src/bfu/leds.c
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@ -31,8 +31,6 @@
#include "util/time.h"
#include "viewer/timer.h"
#define LEDS_REFRESH_DELAY ((milliseconds_T) 100)
/* Current leds allocation:
* 0 - SSL connection indicator
* 1 - Insert-mode indicator
@ -187,6 +185,21 @@ draw_clock(struct terminal *term, int xpos, int ypos, struct color_pair *color)
}
#endif
static milliseconds_T
compute_redraw_interval(void)
{
if (are_there_downloads())
return 100;
/* TODO: Check whether the time format includes seconds. If not,
* return milliseconds to next minute. */
if (get_leds_clock_enable())
return 1000;
return 0;
}
void
draw_leds(struct session *ses)
{
@ -238,8 +251,12 @@ draw_leds(struct session *ses)
end:
/* Redraw each 100ms. */
if (!drawing && redraw_timer == TIMER_ID_UNDEF)
install_timer(&redraw_timer, LEDS_REFRESH_DELAY, redraw_leds, NULL);
if (!drawing && redraw_timer == TIMER_ID_UNDEF) {
milliseconds_T delay = compute_redraw_interval();
if (delay)
install_timer(&redraw_timer, delay, redraw_leds, NULL);
}
}
/* Determine if leds redrawing is necessary. Returns non-zero if so. */
@ -302,15 +319,18 @@ static void
redraw_leds(void *xxx)
{
struct terminal *term;
milliseconds_T delay;
redraw_timer = TIMER_ID_UNDEF;
if (!get_leds_panel_enable()
&& get_opt_int("ui.timer.enable", NULL) != 2) {
redraw_timer = TIMER_ID_UNDEF;
return;
}
install_timer(&redraw_timer, LEDS_REFRESH_DELAY, redraw_leds, NULL);
/* The expired timer ID has now been erased. */
delay = compute_redraw_interval();
if (delay)
install_timer(&redraw_timer, delay, redraw_leds, NULL);
if (drawing) return;
drawing = 1;