sensors.c

系统任务管理器

	}

static gboolean
get_child_iter(GtkTreeModel *model, gchar *parent_node, GtkTreeIter *citer)
	{
	GtkTreePath		*path;
	GtkTreeIter		iter;

	path = gtk_tree_path_new_from_string(parent_node);
	gtk_tree_model_get_iter(model, &iter, path);
	gtk_tree_path_free(path);
	return gtk_tree_model_iter_children(model, citer, &iter);
	}


  /* Callback for a created or destroyed alert.  Find the sensor in the model
  |  and set the IMAGE_COLUMN.
  */
static void
cb_alert_config(GkrellmAlert *ap, Sensor *sr)
	{
	GtkTreeModel	*model;
	GtkTreeIter		iter;
	Sensor 			*s;
	GdkPixbuf		*pixbuf;
	gchar			node[2];
	gint			i;

	if (!gkrellm_config_window_shown())
		return;
	model = gtk_tree_view_get_model(treeview);
	pixbuf = ap->activated ? gkrellm_alert_pixbuf() : NULL;
	for (i = 0; i < 3; ++i)
		{
		node[0] = '0' + i;		/* toplevel temp, fan, or volt node */
		node[1] = '\0';
		if (get_child_iter(model, node, &iter))
			do
				{
				gtk_tree_model_get(model, &iter, SENSOR_COLUMN, &s, -1);
				if (s != sr)
					continue;
				gtk_tree_store_set(GTK_TREE_STORE(model), &iter,
								IMAGE_COLUMN, pixbuf, -1);
				return;
				}
			while (gtk_tree_model_iter_next(model, &iter));
		}
	}

  /* Allow destination drops only on depth 2 paths and don't allow drops from
  |  source depths of 1 (top level nodes).  Also disallow drags from one sensor
  |  type to another. Note: from some reason if I allow drops on depth 3 nodes
  |  (destination is on top of a second level node) I am not getting
  |  "drag_end" callbacks.
  */
static gboolean
row_drop_possible(GtkTreeDragDest *drag_dest, GtkTreePath *path,
			GtkSelectionData *selection_data)
	{
	gint			*src_indices, *dst_indices;
	GtkTreePath		*src_path;

	if (!row_reference)
		return FALSE;

	src_path = gtk_tree_row_reference_get_path(row_reference);
	src_indices = gtk_tree_path_get_indices(src_path);
	dst_indices = gtk_tree_path_get_indices(path);
//printf("drop path: indices=[%d,%d]:%d, path=%s\n",
//	dst_indices[0], dst_indices[1], gtk_tree_path_get_depth(path),
//	gtk_tree_path_to_string(path));

	if (   gtk_tree_path_get_depth(src_path) == 1	/* Dragging top level */
		|| gtk_tree_path_get_depth(path) != 2
		|| src_indices[0] != dst_indices[0]		/* sensor types don't match */
	   )
		return FALSE;

	return (*original_row_drop_possible)(drag_dest, path,
									selection_data);
	}

  /* At each drag, divert the original Gtk row_drop_possible function to my
  |  custom row_drop_possible so I can control tree structure.  The original
  |  row_drop_possible function must be restored at "drag_end" else other
  |  monitors doing drag n' drop could get screwed.
  */
static gboolean
cb_drag_begin(GtkWidget *widget, GdkDragContext *context, gpointer data)
	{
	GtkTreeModel			*model;
	GtkTreePath				*path;
	GtkTreeIter				iter;
	GtkTreeDragDestIface	*dest_iface;

	model = gtk_tree_view_get_model(treeview);
	dest_iface = GTK_TREE_DRAG_DEST_GET_IFACE(GTK_TREE_DRAG_DEST(model));
	if (!original_row_drop_possible)
		original_row_drop_possible = dest_iface->row_drop_possible;
	dest_iface->row_drop_possible = row_drop_possible;

	if (row_reference)
		{
		path = gtk_tree_row_reference_get_path(row_reference);
		gtk_tree_model_get_iter(model, &iter, path);
		gtk_tree_model_get(model, &iter, SENSOR_COLUMN, &dragged_sensor, -1);
		}
	else
		dragged_sensor = NULL;
	return FALSE;
	}

static gboolean
cb_drag_end(GtkWidget *widget, GdkDragContext *context, gpointer data)
	{
	GtkTreeModel			*model;
	GtkTreeIter				iter;
	GtkTreeDragDestIface	*dest_iface;
	Sensor					*s;
	gchar					node[2];
	gint					i, type = -1;

	model = gtk_tree_view_get_model(treeview);
	dest_iface = GTK_TREE_DRAG_DEST_GET_IFACE(GTK_TREE_DRAG_DEST(model));
	dest_iface->row_drop_possible = original_row_drop_possible;

	change_row_reference(NULL, NULL);
	gtk_tree_selection_unselect_all(selection);

	g_list_free(sensor_list);
	sensor_list = NULL;

	/* Re-order the sensors list to match the model.
	*/
	model = gtk_tree_view_get_model(treeview);
	for (i = 0; i < 3; ++i)
		{
		node[0] = '0' + i;		/* toplevel temp, fan, or volt node */
		node[1] = '\0';
		if (get_child_iter(model, node, &iter))
			{
			do
				{
				gtk_tree_model_get(model, &iter, SENSOR_COLUMN, &s, -1);
				sensor_list = g_list_append(sensor_list, s);
				}
			while (gtk_tree_model_iter_next(model, &iter));
			}
		}

	if (dragged_sensor)
		type = dragged_sensor->type;
	dragged_sensor = NULL;

	if (type < 0)
		gkrellm_sensors_rebuild(DO_TEMP, DO_FAN, DO_VOLT);
	else
		gkrellm_sensors_rebuild(type == SENSOR_TEMPERATURE,
				type == SENSOR_FAN, type == SENSOR_VOLTAGE);

	return FALSE;
	}

static void
sensor_reset_optionmenu(Sensor *sensor)
	{
	Sensor	*sr;

	if (!optionmenu)
		return;
	sr = get_referenced_sensor();
	if (sr == sensor)
		gtk_option_menu_set_history(GTK_OPTION_MENU(optionmenu),
					SENSOR_PANEL_LOCATION);
	}

static void
cb_location_menu(GtkOptionMenu *om, gpointer data)
	{
	GList		*list;
	Sensor		*sr, *s;
	gchar		*pname = NULL;
	gint		location;

	location = gtk_option_menu_get_history(om);
	sr = get_referenced_sensor();
	if (!sr || !sr->enabled || sr->location == location)
		return;

	/* If trying to relocate, get a dst panel name so can report failures.
	*/
	if (location != SENSOR_PANEL_LOCATION)
		{
		if (sr->group == SENSOR_GROUP_MAINBOARD)
			pname = (location == PROC_PANEL_LOCATION)
				? gkrellm_proc_get_sensor_panel_label()
				: gkrellm_cpu_get_sensor_panel_label(
							location - CPU_PANEL_LOCATION);
		else if (sr->group == SENSOR_GROUP_DISK)
			pname = _("Disk");
		}

	/* If moving off some other panel, reset that panel.
	*/
	sensor_reset_location(sr);

	/* For mainboard sensor group, if relocating to a panel with some other
	|  sensor of same type on it, auto restore the other sensor to the sensor
	|  panel.  Disk sensor group should never conflict.
	*/
	sr->location = location;
	if (   location != SENSOR_PANEL_LOCATION
		&& sr->group == SENSOR_GROUP_MAINBOARD
	   )
		for (list = sensor_list; list; list = list->next)
			{
			s = (Sensor *) list->data;
			if (   s->group == SENSOR_GROUP_MAINBOARD
				&& s != sr
				&& s->type == sr->type
				&& s->location == sr->location
			   )
				s->location = SENSOR_PANEL_LOCATION;	/* is being replaced */
			}
	gkrellm_sensors_rebuild(DO_TEMP, DO_FAN, FALSE);

	if (sr->location != location)	/* location failed */
		{
		gtk_option_menu_set_history(GTK_OPTION_MENU(optionmenu),
					SENSOR_PANEL_LOCATION);
		sensor_relocation_error(pname);
		}
	}


static void
create_location_menu(gint group)
	{
	GtkWidget	*menu;
	GtkWidget	*menuitem;
	gint		n, n_cpus;
	static gint	sig_id;

	if (group == sensor_last_group)
		return;
	sensor_last_group = group;

	if (optionmenu_menu)
		{
		g_signal_handler_disconnect(G_OBJECT(optionmenu), sig_id);
		gtk_widget_destroy(optionmenu_menu);
		}

	menu = gtk_menu_new();

	menuitem = gtk_menu_item_new_with_label("default");
	gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
	gtk_widget_show(menuitem);

	if (group == SENSOR_GROUP_MAINBOARD)
		{
		menuitem = gtk_menu_item_new_with_label(
					gkrellm_proc_get_sensor_panel_label());
		gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
		gtk_widget_show(menuitem);

		n_cpus = gkrellm_smp_cpus() + 1;
		for (n = 0; n < n_cpus; ++n)
			{
			menuitem = gtk_menu_item_new_with_label(
						gkrellm_cpu_get_sensor_panel_label(n));
			gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
			gtk_widget_show(menuitem);
			}
		}
	else if (group == SENSOR_GROUP_DISK)
		{
		menuitem = gtk_menu_item_new_with_label(_("Disk"));
		gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
		gtk_widget_show(menuitem);
		}
	gtk_option_menu_set_menu(GTK_OPTION_MENU(optionmenu), menu);
	optionmenu_menu = menu;
	sig_id = g_signal_connect(G_OBJECT(optionmenu), "changed",
				G_CALLBACK(cb_location_menu), NULL);
	}

static void
set_sensor_widget_states(Sensor *s)
	{
	gboolean	f_sensitive = FALSE,
				o_sensitive = FALSE,
				p_sensitive = FALSE;
	gfloat		factor = 1.0,
				offset = 0.0;
	gint		location = SENSOR_PANEL_LOCATION;

	if (s && s->enabled)
		{
		f_sensitive = TRUE;
		if (s->type != SENSOR_FAN)
			{
			o_sensitive = TRUE;
			offset = s->offset;
			}
		factor = s->factor;
		if (s->type != SENSOR_VOLTAGE)
			{
			location = s->location;
			p_sensitive = TRUE;
			}
		}
	create_location_menu(s ? s->group : 0);
	gtk_option_menu_set_history(GTK_OPTION_MENU(optionmenu), location);
	gtk_spin_button_set_value(GTK_SPIN_BUTTON(factor_spin_button), factor);
	gtk_spin_button_set_value(GTK_SPIN_BUTTON(offset_spin_button), offset);
	gtk_widget_set_sensitive(optionmenu, p_sensitive);
	gtk_widget_set_sensitive(alert_button, f_sensitive);
	gtk_widget_set_sensitive(factor_spin_button, f_sensitive);
	gtk_widget_set_sensitive(offset_spin_button, o_sensitive);
	}

static void
cb_correction_modified(void)
	{
	Sensor			*s;

	s = get_referenced_sensor();
	if (!s || !s->enabled)
		return;
	s->factor = gtk_spin_button_get_value(GTK_SPIN_BUTTON(factor_spin_button));
	s->offset = gtk_spin_button_get_value(GTK_SPIN_BUTTON(offset_spin_button));

	if (s->factor == 0)
		{
		s->factor = s->default_factor;
		s->offset = s->default_offset;
		gtk_spin_button_set_value(GTK_SPIN_BUTTON(factor_spin_button),
					s->factor);
		gtk_spin_button_set_value(GTK_SPIN_BUTTON(offset_spin_button),
					s->offset);
		}
	if (s->type == SENSOR_VOLTAGE)
		draw_voltages(s, FALSE);
	else
		{
		gkrellm_cpu_draw_sensors(s);
		gkrellm_proc_draw_sensors(s);
		draw_temperatures(FALSE);
		}
	}

static void
cb_tree_selection_changed(GtkTreeSelection *selection, gpointer data)
	{
	GtkTreeIter		iter;
	GtkTreeModel	*model;
	GtkTreePath		*path;
	Sensor			*s;
	gint            *indices, depth;

	if (!gtk_tree_selection_get_selected(selection, &model, &iter))
		{
	    change_row_reference(NULL, NULL);
		set_sensor_widget_states(NULL);
		return;
		}
	path = gtk_tree_model_get_path(model, &iter);
	indices = gtk_tree_path_get_indices(path);
	depth = gtk_tree_path_get_depth(path);
//printf("selection: indices=[%d,%d]:%d, path=%s\n",
//		indices[0], indices[1], gtk_tree_path_get_depth(path),
//		gtk_tree_path_to_string(path));
    change_row_reference(model, path);
    gtk_tree_path_free(path);

	if (depth == 1)
		{
		set_sensor_widget_states(NULL);
		return;
		}
	s = get_referenced_sensor();
	set_sensor_widget_states(s);
	}

static void
label_edited_cb(GtkCellRendererText *cell, gchar *path_string,
			gchar *new_label, gpointer data)
	{
	GtkTreeModel	*model;
	GtkTreeIter		iter;
	GtkTreePath		*path;
	Sensor			*s;

	model = sensor_model;
	path = gtk_tree_path_new_from_string(path_string);
	gtk_tree_model_get_iter(model, &iter, path);
	gtk_tree_path_free(path);

	gtk_tree_model_get(model, &iter,
				SENSOR_COLUMN, &s,
				-1);
	if (!*new_label)
		new_label = s->default_label;

	gtk_tree_store_set(GTK_TREE_STORE(model), &iter,
				LABEL_COLUMN, new_label, -1);

	if (gkrellm_locale_dup_string(&s->name, new_label, &s->name_locale))
		{
		gkrellm_sensors_rebuild(s->type == SENSOR_TEMPERATURE,
				s->type == SENSOR_FAN, s->type == SENSOR_VOLTAGE);
		if (s->alert)
			{
			g_free(s->alert->name);
			s->alert->name = g_strdup(s->name);
//			gkrellm_reset_alert(s->alert);
			}
		}
	}

static void
enable_cb(GtkCellRendererText *cell, gchar *path_string, gpointer data)
	{
	GtkTreeModel	*model;
	GtkTreeIter		iter;
	GtkTreePath		*path;
	Sensor			*s;
	gboolean		enabled;

	model = sensor_model;
	path = gtk_tree_path_new_from_string(path_string);
	gtk_tree_model_get_iter(model, &iter, path);

	gtk_tree_model_get(model, &iter,
				ENABLE_COLUMN, &enabled,
				SENSOR_COLUMN, &s,
				-1);
	s->enabled = !enabled;
	gtk_tree_store_set(GTK_TREE_STORE(model), &iter,
				ENABLE_COLUMN, s->enabled, 
				-1);
    change_row_reference(model, path);
	gtk_tree_path_free(path);

	gkrellm_sensors_rebuild(s->type == SENSOR_TEMPERATURE,
				s->type == SENSOR_FAN, s->type == SENSOR_VOLTAGE);

	set_sensor_widget_states(s);
	}

static void
fix_temp_alert(Sensor *s)
	{
	GkrellmAlert	*a = s->alert;

	if (s->type != SENSOR_TEMPERATURE || !a)
		return;
	if (units_fahrenheit)
		{
		if (a->high.warn_limit > 0)
			a->high.warn_limit = a->high.warn_limit * 9.0 / 5.0 + 32.0;
		if (a->high.alarm_limit > 0)
			a->high.alarm_limit = a->high.alarm_limit * 9.0 / 5.0 + 32.0;
		}
	else
		{
		if (a->high.warn_limit > 0)
			a->high.warn_limit = (a->high.warn_limit - 32.0) * 5.0 / 9.0;
		if (a->high.alarm_limit > 0)
			a->high.alarm_limit = (a->high.alarm_limit - 32.0) * 5.0 / 9.0;
		}
	gkrellm_alert_window_destroy(&s->alert);
	}

static void
cb_temperature_units(GtkWidget *button, gpointer data)
	{
	GList	*list;
	gint	units;

	units = GTK_TOGGLE_BUTTON(button)->active;
	if (units == units_fahrenheit)
		return;
	units_fahrenheit = units;

	for (list = sensor_list; list; list = list->next)
		fix_temp_alert((Sensor *) list->data);

	gkrellm_sensors_rebuild(DO_TEMP, FALSE, FALSE);
	gkrellm_cpu_draw_sensors(NULL);
	gkrellm_proc_draw_sensors(NULL);
	}

static void
cb_voltages_display(GtkWidget *entry, gpointer data)
	{
	gint	i;

	for (i = 0; i