alerts.c

系统任务管理器

	}

void
gkrellm_alert_delay_config(GkrellmAlert *alert, gint step,
			gint high, gint low)
	{
	if (!alert || step < 1 || high < step)
		return;
	low = (low / step) * step;
	high = (high / step) * step;

	alert->delay_high = (gfloat) high;
	alert->delay_low = (gfloat) low;
	alert->delay_step = (gfloat) step;
	gkrellm_alert_set_delay(alert, low);
	}

void
gkrellm_alert_dup(GkrellmAlert **a_dst, GkrellmAlert *a_src)
	{
	GkrellmAlert	*alert;

	if (!a_dst || !a_src)
		return;
	if (*a_dst)
		(*a_dst)->plugin_list = NULL;	/* XXX fixme */
	gkrellm_alert_destroy(a_dst);
	alert = gkrellm_alert_create(a_src->panel, a_src->name,
				a_src->unit_string, a_src->check_high, a_src->check_low,
				a_src->do_panel_updates, a_src->max_high, a_src->min_low,
				a_src->step0, a_src->step1, a_src->digits);
	gkrellm_dup_string(&alert->alarm_command, a_src->alarm_command);
	gkrellm_dup_string(&alert->warn_command, a_src->warn_command);
	alert->warn_repeat_set = a_src->warn_repeat_set;
	alert->alarm_repeat_set = a_src->alarm_repeat_set;
	alert->low = a_src->low;
	alert->high = a_src->high;
	gkrellm_alert_set_delay(alert, a_src->delay);
	alert->plugin_list = a_src->plugin_list;	/* XXX fixme */

	alert->activated = a_src->activated;
	*a_dst = alert;
	}

static void
reset_alert(GkrellmAlert *alert, gboolean suppress)
	{
	GkrellmTrigger	*th = &alert->high,
					*tl = &alert->low;

	if (   suppress
		&& (   ((th->alarm_on || tl->alarm_on) && alert->alarm_repeat_set == 0)
			|| ((th->warn_on || tl->warn_on) && alert->warn_repeat_set == 0)
		   )
	   )
		alert->suppress_command = TRUE;
	th->alarm_on = FALSE;
	th->warn_on = FALSE;
	tl->alarm_on = FALSE;
	tl->warn_on = FALSE;
	alert->alarm_repeat = 0;
	alert->warn_repeat = 0;
	destroy_alert_objects(alert);
	}

void
gkrellm_reset_alert(GkrellmAlert *alert)
	{
	if (!alert)
		return;
	if (g_list_find(gkrellm_alert_list, alert))
		{
		reset_alert(alert, FALSE);
		gkrellm_alert_list = g_list_remove(gkrellm_alert_list, alert);
		}
	}

void
gkrellm_reset_alert_soft(GkrellmAlert *alert)
	{
	if (!alert)
		return;
	if (g_list_find(gkrellm_alert_list, alert))
		{
		reset_alert(alert, TRUE);
		gkrellm_alert_list = g_list_remove(gkrellm_alert_list, alert);
		}
	}

void
gkrellm_reset_panel_alerts(GkrellmPanel *p)
	{
	GList			*list;
	GkrellmAlert	*alert;
	gboolean		done = FALSE;

	if (!p)
		return;
	while (!done)
		{
		done = TRUE;	/* Assume won't find any */
		for (list = gkrellm_alert_list; list; list = list->next)
			{
			alert = (GkrellmAlert *) list->data;
			if (alert->panel != p)
				continue;
			done = FALSE;
			reset_alert(alert, FALSE);
			gkrellm_alert_list = g_list_remove(gkrellm_alert_list, alert);
			alert->panel = NULL;
			alert->cb_trigger = NULL;
			alert->cb_trigger_data = NULL;
			alert->cb_stop = NULL;
			alert->cb_stop_data = NULL;
			break;
			}
		}
	}

  /* At theme changes, turn all alerts off so there won't be any alert decals
  |  in monitor lists when they are destroyed.  The alerts should just get
  |  retriggered.  Surely an alert going off is a good time to change themes.
  */
void
gkrellm_alert_reset_all(void)
	{
	GList	*list;

	for (list = gkrellm_alert_list; list; list = list->next)
		reset_alert((GkrellmAlert *) list->data, TRUE);
	g_list_free(gkrellm_alert_list);
	gkrellm_alert_list = NULL;
	}

void
gkrellm_alert_update(void)
	{
	GList					*list, *plist;
	GkrellmAlert			*alert;
	GkrellmAlertdecal		*ad;
	GkrellmAlertkrell		*ak;
	GkrellmAlertPlugin		*gap;
	GkrellmAlertPluginLink	*apl;

	for (list = gkrellm_alert_list; list; list = list->next)
		{
		alert = (GkrellmAlert *) list->data;
		ad = &alert->ad;
		ak = &alert->ak;
		if (ak->krell)
			{
			ak->krell_position = (ak->krell_position + 2) % 100;
			gkrellm_update_krell(alert->panel, ak->krell, ak->krell_position);
			}
		if (ad->decal)
			{
			if (ad->frame <= 0)
				ad->dir = 1;
			else if (ad->frame >= ad->nframes - 1)
				ad->dir = 0;
			ad->frame += (ad->dir) ? 1 : -1;
			gkrellm_draw_decal_pixmap(alert->panel, ad->decal, ad->frame);
			}
		if (alert->do_panel_updates)
			gkrellm_draw_panel_layers(alert->panel);
		if (GK.second_tick)
			{
			if (alert->alarm_repeat > 0 && --alert->alarm_repeat == 0)
				{
				run_command(alert, alert->alarm_command);
				alert->alarm_repeat = alert->alarm_repeat_set;
				}
			if (alert->warn_repeat > 0 && --alert->warn_repeat == 0)
				{
				run_command(alert, alert->warn_command);
				alert->warn_repeat = alert->warn_repeat_set;
				}
			for (plist = alert->plugin_list; plist; plist = plist->next)
				{
				apl = (GkrellmAlertPluginLink *) plist->data;
				gap = apl->alert_plugin;
				if (MONITOR_ENABLED(gap->mon) && gap->update_func)
					(*gap->update_func)(alert, apl->data);
				}
			}
		}
	}

gboolean
gkrellm_alert_is_activated(GkrellmAlert *alert)
	{
	if (alert)
		return alert->activated;
	return FALSE;
	}

void
gkrellm_alert_get_alert_state(GkrellmAlert *alert, gboolean *alarm_state,
				gboolean *warn_state)
	{
	*warn_state = (alert->high.warn_on || alert->low.warn_on);
	*alarm_state = (alert->high.alarm_on || alert->low.alarm_on);
	}


/* ------------------------------------------------------------ */
/* Plugin interface to alerts. */

GkrellmAlertPlugin *
gkrellm_alert_plugin_add(GkrellmMonitor *mon, gchar *name)
	{
	GkrellmAlertPlugin	*gap;

	if (!mon || !name || !*name)
		return NULL;
	gap = g_new0(GkrellmAlertPlugin, 1);
	gap->mon = mon;
	gap->name = g_strdup(name);
	alert_plugin_list = g_list_append(alert_plugin_list, gap);
	return gap;
	}

void
gkrellm_alert_plugin_alert_connect(GkrellmAlertPlugin *gap,
			void (*alarm_func)(), void (*warn_func)(),
			void (*update_func)(), void (*check_func)(),
			void (*destroy_func)())
	{
	gap->alarm_func = alarm_func;
	gap->warn_func = warn_func;
	gap->update_func = update_func;
	gap->check_func = check_func;
	gap->destroy_func = destroy_func;
	}

void
gkrellm_alert_plugin_config_connect(GkrellmAlertPlugin *gap, gchar *tab_name,
			void (*config_create_func)(), void (*config_apply_func),
			void (*config_save_func)(), void (*config_load_func)())
	{
	if (!gap)
		return;
	g_free(gap->tab_name);
	gap->tab_name = g_strdup(tab_name);
	gap->config_create_func = config_create_func;
	gap->config_apply_func = config_apply_func;
	gap->config_save_func = config_save_func;
	gap->config_load_func = config_load_func;
	}

  /* The id_string is so a plugin can get a unique config name for an alert.
  */
gchar *
gkrellm_alert_plugin_config_get_id_string(GkrellmAlert *alert)
	{
	if (alert)
		return alert->id_string;
	return NULL;
	}

void
gkrellm_alert_plugin_alert_attach(GkrellmAlertPlugin *gap,
			GkrellmAlert *alert, gpointer data)
	{
	GkrellmAlertPluginLink	*apl;

	if (!gap || !alert)
		return;
	apl = g_new0(GkrellmAlertPluginLink, 1);
	apl->alert_plugin = gap;
	apl->data = data;
	alert->plugin_list = g_list_append(alert->plugin_list, apl);
	}

void
gkrellm_alert_plugin_alert_detach(GkrellmAlertPlugin *gap, GkrellmAlert *alert)
	{
	GList					*list;
	GkrellmAlertPluginLink	*apl;

	if (!gap || !alert)
		return;
	for (list = alert->plugin_list; list; list = list->next)
		{
		apl = (GkrellmAlertPluginLink *) list->data;
		if (apl->alert_plugin == gap)
			{
			alert->plugin_list = g_list_remove(alert->plugin_list, apl);
			g_free(apl);
			break;
			}
		}
	}

gpointer
gkrellm_alert_plugin_get_data(GkrellmAlertPlugin *gap,GkrellmAlert *alert)
	{
	GList					*list;
	GkrellmAlertPluginLink	*apl;

	if (!gap || !alert)
		return NULL;
	for (list = alert->plugin_list; list; list = list->next)
		{
		apl = (GkrellmAlertPluginLink *) list->data;
		if (apl->alert_plugin == gap)
			return apl->data;
		}
	return NULL;
	}

void
gkrellm_alert_plugin_command_process(GkrellmAlert *alert, gchar *src,
			gchar *dst, gint dst_size)
	{
	if (alert && alert->cb_command_process)
		(*alert->cb_command_process)(alert, src, dst, dst_size,
				alert->cb_command_process_data);
	else
		snprintf(dst, dst_size, "%s", src);
	}


/* ------------------------------------------------------------ */
void
gkrellm_alert_command_process_connect(GkrellmAlert *alert, void (*func)(),
						gpointer data)
	{
	if (!alert)
		return;
	alert->cb_command_process = func;
	alert->cb_command_process_data = data;
	}

void
gkrellm_alert_config_connect(GkrellmAlert *alert, void (*func)(),gpointer data)
	{
	if (!alert)
		return;
	alert->cb_config = func;
	alert->cb_config_data = data;
	}

void
gkrellm_alert_config_create_connect(GkrellmAlert *alert,
						void (*func)(), gpointer data)
	{
	if (!alert)
		return;
	alert->cb_config_create = func;
	alert->cb_config_create_data = data;
	}

static void
alert_delete(GtkWidget *widget, GkrellmAlert **ap)
	{
	GkrellmAlert			*alert;

	if (!ap)
		return;
	alert = *ap;
	alert->activated = FALSE;
	alert->config_closing = TRUE;
	if (alert->cb_config)
		(*alert->cb_config)(alert, alert->cb_config_data);
	if (alert->config_window)
		gtk_widget_destroy(alert->config_window);
	destroy_alert(alert);
	*ap = NULL;
	}

static void
alert_close(GtkWidget *widget, GkrellmAlert **ap)
	{
	GkrellmAlert	*alert;

	if (!ap)
		return;
	alert = *ap;
	if (!alert->activated)
		alert_delete(NULL, ap);
	else if (alert->config_window)
		{
		gtk_widget_destroy(alert->config_window);
		alert->config_window = NULL;
		alert->delete_button = NULL;
		}
	}

void
gkrellm_alert_window_destroy(GkrellmAlert **ap)
	{
	alert_close(NULL, ap);
	}

static gint
alert_config_window_delete_event(GtkWidget *widget, GdkEvent *ev,
		GkrellmAlert **ap)
	{
	alert_close(widget, ap);
	return FALSE;
	}

static void
alert_apply(GtkWidget *widget, GkrellmAlert **ap)
	{
	GList					*plist, *list;
	GkrellmAlert			*alert;
	GkrellmAlertPlugin		*gap;
	GkrellmAlertPluginLink	*apl;
	gpointer				data;
	gchar					*s;
	GtkSpinButton			*spin;
	gint					n;

	alert = *ap;
	if (!alert->activated && !alert->config_modified)
		return;
	if (alert->high.alarm_limit_spin_button)
		{
		spin = GTK_SPIN_BUTTON(alert->high.alarm_limit_spin_button);
		alert->high.alarm_limit = gtk_spin_button_get_value(spin);
		spin = GTK_SPIN_BUTTON(alert->high.warn_limit_spin_button);
		alert->high.warn_limit = gtk_spin_button_get_value(spin);
		}

	if (alert->low.alarm_limit_spin_button)
		{
		spin = GTK_SPIN_BUTTON(alert->low.alarm_limit_spin_button);
		alert->low.alarm_limit = gtk_spin_button_get_value(spin);
		spin = GTK_SPIN_BUTTON(alert->low.warn_limit_spin_button);
		alert->low.warn_limit = gtk_spin_button_get_value(spin);
		}

	if (alert->high.alarm_limit == 0.0 && alert->low.alarm_limit == 0.0)
		return;
	if (alert->alarm_command_entry)
		{
		spin = GTK_SPIN_BUTTON(alert->alarm_repeat_spin_button);
		alert->alarm_repeat_set = gtk_spin_button_get_value_as_int(spin);

		s = gkrellm_gtk_entry_get_text(&alert->alarm_command_entry);
		gkrellm_dup_string(&alert->alarm_command, s);
		if (!*s)
			alert->alarm_repeat_set = 0;
		if (alert->high.alarm_on || alert->low.alarm_on)
			alert->alarm_repeat = alert->alarm_repeat_set;
		}
	if (alert->warn_command_entry)
		{
		spin = GTK_SPIN_BUTTON(alert->warn_repeat_spin_button);
		alert->warn_repeat_set = gtk_spin_button_get_value_as_int(spin);

		s = gkrellm_gtk_entry_get_text(&alert->warn_command_entry);
		gkrellm_dup_string(&alert->warn_command, s);
		if (!*s)
			alert->warn_repeat_set = 0;
		if (alert->high.warn_on || alert->low.warn_on)
			alert->warn_repeat = alert->warn_repeat_set;
		}
	if (alert->delay_spin_button)
		{
		spin = GTK_SPIN_BUTTON(alert->delay_spin_button);
		n = gtk_spin_button_get_value_as_int(spin);
		gkrellm_alert_set_delay(alert, n / alert->delay_step);
		}
	alert->activated = TRUE;

	for (plist = alert_plugin_list; plist; plist = plist->next)
		{
		data = NULL;
		gap = (GkrellmAlertPlugin *) plist->data;
		for (list = alert->plugin_list; list; list = list->next)
			{
			apl = (GkrellmAlertPluginLink *) list->data;
			if (apl->alert_plugin == gap)
				{
				data = apl->data;
				break;
				}
			}
		if (MONITOR_ENABLED(gap->mon) && gap->config_apply_func)
			(*gap->config_apply_func)(alert, data, alert->config_closing);
		}

	gtk_widget_set_sensitive(alert->delete_button, alert->activated);
	gtk_widget_set_sensitive(alert->icon_box, alert->activated);
	if (alert->cb_config)
		(*alert->cb_config)(alert, alert->cb_config_data);
	gkrellm_config_modified();
	}

static void
alert_ok(GtkWidget *widget, GkrellmAlert **ap)
	{
	(*ap)->config_closing = TRUE;
	alert_apply(NULL, ap);
	alert_close(NULL, ap);
	}

static void
cb_delay_spin_changed(GtkAdjustment *adjustment, GkrellmAlert *alert)
	{
	GtkSpinButton	*spin;
	gint			delay;

	spin = GTK_SPIN_BUTTON(alert->delay_spin_button);
	delay = gtk_spin_button_get_value_as_int(spin);
	if ((delay % alert->delay_step) != 0)
		{
		delay = delay / alert->delay_step * alert->delay_step;
		gtk_spin_button_set_value(spin, delay);
		}
	alert->config_modified = TRUE;
	gtk_widget_set_sensitive(alert->icon_box, TRUE);
	}

static void
cb_high_alarm_spin_changed(GtkAdjustment *adjustment, GkrellmAlert *alert)
	{
	GtkSpinButton	*spin;
	gfloat			alarm, warn;

	spin = GTK_SPIN_BUTTON(alert->high.alarm_limit_spin_button);
	alarm = gtk_spin_button_get_value(spin);
	spin = GTK_SPIN_BUTTON(alert->high.warn_limit_spin_button);
	warn = gtk_spin_button_get_value(spin);