path: root/multiload/src/properties.c

/* MATE cpuload/memload panel applet
 * (C) 2002 The Free Software Foundation
 *
 * Authors:
 *          Todd Kulesza
 *
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <string.h>

#include <gtk/gtk.h>

#include <gio/gio.h>
#include <mate-panel-applet.h>
#include <mate-panel-applet-gsettings.h>

#include "global.h"

#define PROP_CPU              0
#define PROP_MEM              1
#define PROP_NET              2
#define PROP_SWAP             3
#define PROP_AVG              4
#define PROP_DISK             5

#define PROP_SIZE             7
#define PROP_NET_THRESHOLD1   8
#define PROP_NET_THRESHOLD2   9
#define PROP_NET_THRESHOLD3   10
#define HIG_IDENTATION        "    "
#define NEVER_SENSITIVE       "never_sensitive"

/* set sensitive and setup NEVER_SENSITIVE appropriately */
static void
hard_set_sensitive (GtkWidget *w, gboolean sensitivity)
{
    gtk_widget_set_sensitive (w, sensitivity);
    g_object_set_data (G_OBJECT (w), NEVER_SENSITIVE,
                       GINT_TO_POINTER ( ! sensitivity));
}


/* set sensitive, but always insensitive if NEVER_SENSITIVE is set */
static void
soft_set_sensitive (GtkWidget *w, gboolean sensitivity)
{
    if (g_object_get_data (G_OBJECT (w), NEVER_SENSITIVE))
        gtk_widget_set_sensitive (w, FALSE);
    else
        gtk_widget_set_sensitive (w, sensitivity);
}

static void
properties_set_insensitive(MultiloadApplet *ma)
{
    gint i, total_graphs, last_graph;

    total_graphs = 0;
    last_graph = 0;

    for (i = 0; i < graph_n; i++)
        if (ma->graphs[i]->visible)
        {
            last_graph = i;
            total_graphs++;
        }

    if (total_graphs < 2)
        soft_set_sensitive(ma->check_boxes[last_graph], FALSE);

    return;
}

static void
properties_close_cb (GtkWidget *widget, gint arg, MultiloadApplet *ma)
{
    GError *error = NULL;

    switch (arg)
    {
        case GTK_RESPONSE_HELP:

            gtk_show_uri_on_window (NULL,
                                    "help:mate-multiload/multiload-prefs",
                                    gtk_get_current_event_time (),
                                    &error);

            if (error) { /* FIXME: the user needs to see this */
                g_warning ("help error: %s\n", error->message);
                g_error_free (error);
                error = NULL;
            }
            break;

        case GTK_RESPONSE_CLOSE:
        default:
            gtk_widget_destroy (widget);
            ma->prop_dialog = NULL;
    }
}

static void
property_toggled_cb(GtkWidget *widget, gpointer name)
{
    MultiloadApplet *ma;
    gint prop_type, i;
    gboolean active = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));

    ma = g_object_get_data(G_OBJECT(widget), "MultiloadApplet");
    prop_type = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "prop_type"));

    /* FIXME: the first toggle button to be checked/dechecked does not work, but after that everything is cool.  what gives? */
    /* FIXME: check if this is still valid for gsettings */
    g_settings_set_boolean (ma->settings, (gchar *)name, active);
    g_settings_set_boolean (ma->settings, (gchar *)name, active);

    if (active)
    {
        for (i = 0; i < graph_n; i++)
            soft_set_sensitive(ma->check_boxes[i], TRUE);
        gtk_widget_show_all (ma->graphs[prop_type]->main_widget);
        ma->graphs[prop_type]->visible = TRUE;
        load_graph_start(ma->graphs[prop_type]);
    }
    else
    {
        load_graph_stop(ma->graphs[prop_type]);
        gtk_widget_hide (ma->graphs[prop_type]->main_widget);
        ma->graphs[prop_type]->visible = FALSE;
        properties_set_insensitive(ma);
    }

    return;
}

static void
on_speed_spin_button_value_changed (GtkSpinButton *spin_button,
                                    gpointer       user_data)
{
    MultiloadApplet *ma = user_data;
    gint value;
    gint i;

    value = gtk_spin_button_get_value_as_int (spin_button);
    g_settings_set_uint (ma->settings, REFRESH_RATE_KEY, (guint) value);
    for (i = 0; i < graph_n; i++) {
        load_graph_stop (ma->graphs[i]);
        ma->graphs[i]->speed = (guint) value;
        if (ma->graphs[i]->visible)
            load_graph_start (ma->graphs[i]);
    }
}

static void
spin_button_changed_cb (GtkWidget *widget,
                        gpointer   name)
{
    MultiloadApplet *ma;
    gint value;
    gint prop_type, i;

    ma = g_object_get_data (G_OBJECT (widget), "MultiloadApplet");
    prop_type = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget), "prop_type"));
    value = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (widget));

    switch(prop_type)
    {
        case PROP_SIZE:
            for (i = 0; i < graph_n; i++)
            {
                g_settings_set_int (ma->settings, (gchar *)name, value);
                ma->graphs[i]->size = value ;

                if (ma->graphs[i]->orient)
                    gtk_widget_set_size_request (
                        ma->graphs[i]->main_widget,
                        ma->graphs[i]->pixel_size,
                        ma->graphs[i]->size);
                else
                    gtk_widget_set_size_request (
                        ma->graphs[i]->main_widget,
                        ma->graphs[i]->size,
                        ma->graphs[i]->pixel_size);
            }
            break;

        case PROP_NET_THRESHOLD1:
            g_settings_set_uint (ma->settings, (gchar *)name, value);
            if (value >= ma->net_threshold2)
            {
                gtk_spin_button_set_value(GTK_SPIN_BUTTON(widget),
                                          (gdouble)g_settings_get_uint (ma->settings,
                                          "netthreshold2") - 1);
                ma->net_threshold1 = g_settings_get_uint (ma->settings,
                                                          "netthreshold2") - 1;
            }
            else
                ma->net_threshold1 = value;
            break;

        case PROP_NET_THRESHOLD2:
            g_settings_set_uint (ma->settings, (gchar *)name, value);
            if (value >= ma->net_threshold3)
            {
                gtk_spin_button_set_value(GTK_SPIN_BUTTON(widget),
                                          (gdouble)g_settings_get_uint (ma->settings,
                                          "netthreshold3") - 1);
                ma->net_threshold2 = g_settings_get_uint (ma->settings,
                                                          "netthreshold3") - 1;
            }
            else if (value <= ma->net_threshold1)
            {
                gtk_spin_button_set_value(GTK_SPIN_BUTTON(widget),
                                          (gdouble)g_settings_get_uint (ma->settings,
                                          "netthreshold1") + 1);
                ma->net_threshold2 = g_settings_get_uint (ma->settings,
                                                          "netthreshold1") + 1;
            }
            else
                ma->net_threshold2 = value;
            break;

        case PROP_NET_THRESHOLD3:
            g_settings_set_uint (ma->settings, (gchar *)name, value);
            if (value <= ma->net_threshold2)
            {
                gtk_spin_button_set_value(GTK_SPIN_BUTTON(widget),
                                          (gdouble)g_settings_get_uint (ma->settings,
                                          "netthreshold2") + 1);
                ma->net_threshold3 = g_settings_get_uint (ma->settings,
                                                          "netthreshold2") + 1;
            }
            else
                ma->net_threshold3 = value;
            break;
        default:
            g_assert_not_reached();
    }

    return;
}

/* create a new page in the notebook widget, add it, and return a pointer to it */
static GtkWidget *
add_page(GtkWidget *notebook, gchar *label)
{
    GtkWidget *page;
    GtkWidget *page_label;

    page = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
    gtk_box_set_homogeneous (GTK_BOX (page), TRUE);
    page_label = gtk_label_new(label);
    gtk_container_set_border_width(GTK_CONTAINER(page), 6);

    gtk_notebook_append_page(GTK_NOTEBOOK(notebook), page, page_label);

    return page;
}

/* save the selected color to gsettings and apply it on the applet */
static void
color_picker_set_cb(GtkColorChooser *color_picker, gchar *key)
{
    gchar *color_string;
    guint8 prop_type;
    GdkRGBA color;
    MultiloadApplet *ma;

    ma = g_object_get_data (G_OBJECT (color_picker), "MultiloadApplet");

    if (strstr(key, "cpuload"))
        prop_type = PROP_CPU;
    else if (strstr(key, "memload"))
        prop_type = PROP_MEM;
    else if (strstr(key, "netload2"))
        prop_type = PROP_NET;
    else if (strstr(key, "swapload"))
        prop_type = PROP_SWAP;
    else if (strstr(key, "loadavg"))
        prop_type = PROP_AVG;
    else if (strstr(key, "diskload"))
        prop_type = PROP_DISK;
    else
        g_assert_not_reached();

    gtk_color_chooser_get_rgba(color_picker, &color);

    color_string = gdk_rgba_to_string (&color);
    g_settings_set_string(ma->settings, key, color_string);

    gdk_rgba_parse(&(ma->graphs[prop_type]->colors[g_ascii_digit_value(key[strlen(key) - 1]) ]),
                   color_string);

    return;
}

/* create a color selector */
static void
add_color_selector(GtkWidget *page, gchar *name, gchar *key, MultiloadApplet *ma)
{
    GtkWidget *vbox;
    GtkWidget *label;
    GtkWidget *color_picker;
    GdkRGBA color;
    gchar *color_string;

    color_string = g_settings_get_string (ma->settings, key);
    if (!color_string)
        color_string = g_strdup ("#000000");
    gdk_rgba_parse (&color, color_string);
    g_free (color_string);

    vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
    label = gtk_label_new_with_mnemonic(name);
    color_picker = gtk_color_button_new();
    gtk_label_set_mnemonic_widget (GTK_LABEL (label), color_picker);

    gtk_box_pack_start(GTK_BOX(vbox), color_picker, FALSE, FALSE, 0);
    gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);

    gtk_box_pack_start(GTK_BOX(page), vbox, FALSE, FALSE, 0);

    g_object_set_data (G_OBJECT (color_picker), "MultiloadApplet", ma);

    gtk_color_chooser_set_rgba(GTK_COLOR_CHOOSER(color_picker), &color);

    g_signal_connect(G_OBJECT(color_picker), "color_set", G_CALLBACK(color_picker_set_cb), key);

    if ( ! g_settings_is_writable (ma->settings, key))
        hard_set_sensitive (vbox, FALSE);

    return;
}

/* save the checkbox option to gsettings and apply it on the applet */
static void
nvme_checkbox_toggled_cb (GtkCheckButton  *checkbox,
                          MultiloadApplet *ma)
{
    gboolean option;

    option = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (checkbox));
    ma->nvme_diskstats = option;
    g_settings_set_boolean (ma->settings, "diskload-nvme-diskstats", option);

    return;
}

/* creates the properties dialog using up-to-the-minute info from gsettings */
static void
fill_properties(GtkWidget *dialog, MultiloadApplet *ma)
{
    GtkWidget *page;
    GtkWidget *hbox, *vbox;
    GtkWidget *categories_vbox;
    GtkWidget *category_vbox;
    GtkWidget *control_vbox;
    GtkWidget *control_hbox;
    GtkWidget *check_box;
    GtkWidget *indent;
    GtkWidget *spin_button;
    GtkWidget *label;
    MatePanelAppletOrient orient;
    GtkSizeGroup *label_size;
    GtkSizeGroup *spin_size;
    gchar *label_text;
    gchar *title;

    vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
    gtk_container_set_border_width (GTK_CONTAINER (vbox), 5);
    gtk_widget_show (vbox);

    gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
                        vbox, TRUE, TRUE, 0);

    categories_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 18);
    gtk_box_pack_start (GTK_BOX (vbox), categories_vbox, TRUE, TRUE, 0);
    gtk_widget_show (categories_vbox);

    category_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
    gtk_box_pack_start (GTK_BOX (categories_vbox), category_vbox, TRUE, TRUE, 0);
    gtk_widget_show (category_vbox);

    title = g_strconcat ("<span weight=\"bold\">", _("Monitored Resources"), "</span>", NULL);
    label = gtk_label_new_with_mnemonic (_(title));
    gtk_label_set_use_markup (GTK_LABEL (label), TRUE);
    gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_LEFT);
    gtk_label_set_xalign (GTK_LABEL (label), 0.0);
    gtk_box_pack_start (GTK_BOX (category_vbox), label, FALSE, FALSE, 0);
    g_free (title);

    hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
    gtk_box_pack_start (GTK_BOX (category_vbox), hbox, TRUE, TRUE, 0);
    gtk_widget_show (hbox);

    indent = gtk_label_new (HIG_IDENTATION);
    gtk_label_set_justify (GTK_LABEL (indent), GTK_JUSTIFY_LEFT);
    gtk_box_pack_start (GTK_BOX (hbox), indent, FALSE, FALSE, 0);
    gtk_widget_show (indent);

    control_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
    gtk_box_pack_start (GTK_BOX (hbox), control_vbox, TRUE, TRUE, 0);
    gtk_widget_show (control_vbox);

    control_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
    gtk_box_pack_start (GTK_BOX (control_vbox), control_hbox, TRUE, TRUE, 0);
    gtk_widget_show (control_hbox);

    check_box = gtk_check_button_new_with_mnemonic(_("_Processor"));
    ma->check_boxes[0] = check_box;
    gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(check_box),
                                 g_settings_get_boolean (ma->settings,
                                 VIEW_CPULOAD_KEY));
    g_object_set_data(G_OBJECT(check_box), "MultiloadApplet", ma);
    g_object_set_data(G_OBJECT(check_box), "prop_type", GINT_TO_POINTER(PROP_CPU));
    g_signal_connect(G_OBJECT(check_box), "toggled",
                     G_CALLBACK(property_toggled_cb), VIEW_CPULOAD_KEY);
    gtk_box_pack_start (GTK_BOX (control_hbox), check_box, FALSE, FALSE, 0);

    if ( ! g_settings_is_writable (ma->settings, VIEW_CPULOAD_KEY))
        hard_set_sensitive (check_box, FALSE);

    check_box = gtk_check_button_new_with_mnemonic(_("_Memory"));
    ma->check_boxes[1] = check_box;
    gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(check_box),
                                 g_settings_get_boolean (ma->settings, VIEW_MEMLOAD_KEY));
    g_object_set_data(G_OBJECT(check_box), "MultiloadApplet", ma);
    g_object_set_data(G_OBJECT(check_box), "prop_type", GINT_TO_POINTER(PROP_MEM));
    g_signal_connect(G_OBJECT(check_box), "toggled",
                     G_CALLBACK(property_toggled_cb), VIEW_MEMLOAD_KEY);
    gtk_box_pack_start (GTK_BOX (control_hbox), check_box, FALSE, FALSE, 0);

    if ( ! g_settings_is_writable (ma->settings, VIEW_MEMLOAD_KEY))
        hard_set_sensitive (check_box, FALSE);

    check_box = gtk_check_button_new_with_mnemonic(_("_Network"));
    ma->check_boxes[2] = check_box;
    gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(check_box),
                                 g_settings_get_boolean (ma->settings, VIEW_NETLOAD_KEY));
    g_object_set_data(G_OBJECT(check_box), "MultiloadApplet", ma);
    g_object_set_data(G_OBJECT(check_box), "prop_type", GINT_TO_POINTER(PROP_NET));
    g_signal_connect(G_OBJECT(check_box), "toggled",
                     G_CALLBACK(property_toggled_cb), VIEW_NETLOAD_KEY);
    gtk_box_pack_start (GTK_BOX (control_hbox), check_box, FALSE, FALSE, 0);

    if ( ! g_settings_is_writable (ma->settings, VIEW_NETLOAD_KEY))
        hard_set_sensitive (check_box, FALSE);

    check_box = gtk_check_button_new_with_mnemonic (_("S_wap Space"));
    ma->check_boxes[3] = check_box;
    gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(check_box),
                                 g_settings_get_boolean (ma->settings, VIEW_SWAPLOAD_KEY));
    g_object_set_data(G_OBJECT(check_box), "MultiloadApplet", ma);
    g_object_set_data(G_OBJECT(check_box), "prop_type", GINT_TO_POINTER(PROP_SWAP));
    g_signal_connect(G_OBJECT(check_box), "toggled",
                     G_CALLBACK(property_toggled_cb), VIEW_SWAPLOAD_KEY);
    gtk_box_pack_start (GTK_BOX (control_hbox), check_box, FALSE, FALSE, 0);

    if ( ! g_settings_is_writable (ma->settings, VIEW_SWAPLOAD_KEY))
        hard_set_sensitive (check_box, FALSE);

    check_box = gtk_check_button_new_with_mnemonic(_("_Load"));
    ma->check_boxes[4] = check_box;
    gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(check_box),
                                 g_settings_get_boolean (ma->settings, VIEW_LOADAVG_KEY));
    g_object_set_data(G_OBJECT(check_box), "MultiloadApplet", ma);
    g_object_set_data(G_OBJECT(check_box), "prop_type", GINT_TO_POINTER(PROP_AVG));
    g_signal_connect(G_OBJECT(check_box), "toggled",
                     G_CALLBACK(property_toggled_cb), VIEW_LOADAVG_KEY);
    gtk_box_pack_start(GTK_BOX(control_hbox), check_box, FALSE, FALSE, 0);

    if ( ! g_settings_is_writable (ma->settings, VIEW_LOADAVG_KEY))
        hard_set_sensitive (check_box, FALSE);

    check_box = gtk_check_button_new_with_mnemonic(_("_Harddisk"));
    ma->check_boxes[5] = check_box;
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check_box),
                                  g_settings_get_boolean (ma->settings, VIEW_DISKLOAD_KEY));
    g_object_set_data (G_OBJECT (check_box), "MultiloadApplet", ma);
    g_object_set_data (G_OBJECT (check_box), "prop_type",
                       GINT_TO_POINTER (PROP_DISK));
    g_signal_connect (G_OBJECT (check_box), "toggled",
                      G_CALLBACK (property_toggled_cb), VIEW_DISKLOAD_KEY);
    gtk_box_pack_start (GTK_BOX (control_hbox), check_box, FALSE, FALSE, 0);

    if ( ! g_settings_is_writable (ma->settings, VIEW_DISKLOAD_KEY))
        hard_set_sensitive (check_box, FALSE);

    category_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
    gtk_box_pack_start (GTK_BOX (categories_vbox), category_vbox, TRUE, TRUE, 0);
    gtk_widget_show (category_vbox);

    title = g_strconcat ("<span weight=\"bold\">", _("Options"), "</span>", NULL);
    label = gtk_label_new (title);
    gtk_label_set_use_markup (GTK_LABEL (label), TRUE);
    gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_LEFT);
    gtk_label_set_xalign (GTK_LABEL (label), 0.0);
    gtk_box_pack_start (GTK_BOX (category_vbox), label, FALSE, FALSE, 0);
    gtk_widget_show (label);
    g_free (title);

    hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
    gtk_box_pack_start (GTK_BOX (category_vbox), hbox, TRUE, TRUE, 0);
    gtk_widget_show (hbox);

    indent = gtk_label_new (HIG_IDENTATION);
    gtk_label_set_justify (GTK_LABEL (indent), GTK_JUSTIFY_LEFT);
    gtk_box_pack_start (GTK_BOX (hbox), indent, FALSE, FALSE, 0);
    gtk_widget_show (indent);

    control_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
    gtk_box_pack_start (GTK_BOX (hbox), control_vbox, TRUE, TRUE, 0);
    gtk_widget_show (control_vbox);

    control_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
    gtk_box_pack_start (GTK_BOX (control_vbox), control_hbox, TRUE, TRUE, 0);
    gtk_widget_show (control_hbox);

    label_size = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);

    orient = mate_panel_applet_get_orient(ma->applet);
    if ( (orient == MATE_PANEL_APPLET_ORIENT_UP) || (orient == MATE_PANEL_APPLET_ORIENT_DOWN) )
        label_text = g_strdup(_("System m_onitor width: "));
    else
        label_text = g_strdup(_("System m_onitor height: "));

    label = gtk_label_new_with_mnemonic(label_text);
    gtk_label_set_xalign (GTK_LABEL (label), 0.0f);
    gtk_size_group_add_widget (label_size, label);
    gtk_box_pack_start (GTK_BOX (control_hbox), label, FALSE, FALSE, 0);

    hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
    gtk_box_pack_start (GTK_BOX (control_hbox), hbox, TRUE, TRUE, 0);
    gtk_widget_show (hbox);

    spin_size = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);

    spin_button = gtk_spin_button_new_with_range(10, 1000, 5);
    gtk_label_set_mnemonic_widget (GTK_LABEL (label), spin_button);
    g_object_set_data(G_OBJECT(spin_button), "MultiloadApplet", ma);
    g_object_set_data(G_OBJECT(spin_button), "prop_type",
                      GINT_TO_POINTER(PROP_SIZE));
    gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin_button),
                              (gdouble)g_settings_get_int(ma->settings, "size"));
    g_signal_connect(G_OBJECT(spin_button), "value_changed",
                              G_CALLBACK(spin_button_changed_cb), "size");

    if ( ! g_settings_is_writable (ma->settings, "size")) {
        hard_set_sensitive (label, FALSE);
        hard_set_sensitive (hbox, FALSE);
    }

    gtk_size_group_add_widget (spin_size, spin_button);
    gtk_box_pack_start (GTK_BOX (hbox), spin_button, FALSE, FALSE, 0);

    label = gtk_label_new (_("pixels"));
    gtk_label_set_xalign (GTK_LABEL (label), 0.0f);
    gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);

    control_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
    gtk_box_pack_start (GTK_BOX (control_vbox), control_hbox, TRUE, TRUE, 0);
    gtk_widget_show (control_hbox);

    label = gtk_label_new_with_mnemonic(_("Sys_tem monitor update interval: "));
    gtk_label_set_xalign (GTK_LABEL (label), 0.0f);
    gtk_size_group_add_widget (label_size, label);
    gtk_box_pack_start (GTK_BOX (control_hbox), label, FALSE, FALSE, 0);

    hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
    gtk_box_pack_start (GTK_BOX (control_hbox), hbox, TRUE, TRUE, 0);
    gtk_widget_show (hbox);

    spin_button = gtk_spin_button_new_with_range (REFRESH_RATE_MIN,
                                                  REFRESH_RATE_MAX,
                                                  50);
    gtk_label_set_mnemonic_widget (GTK_LABEL (label), spin_button);
    gtk_spin_button_set_value (GTK_SPIN_BUTTON (spin_button),
                              (gdouble) CLAMP (g_settings_get_uint (ma->settings, REFRESH_RATE_KEY),
                                               REFRESH_RATE_MIN,
                                               REFRESH_RATE_MAX));
    g_signal_connect (GTK_SPIN_BUTTON (spin_button), "value_changed",
                      G_CALLBACK (on_speed_spin_button_value_changed), ma);
    gtk_size_group_add_widget (spin_size, spin_button);
    gtk_box_pack_start (GTK_BOX (hbox), spin_button, FALSE, FALSE, 0);

    if ( ! g_settings_is_writable (ma->settings, REFRESH_RATE_KEY)) {
        hard_set_sensitive (label, FALSE);
        hard_set_sensitive (hbox, FALSE);
    }

    label = gtk_label_new(_("milliseconds"));
    gtk_label_set_xalign (GTK_LABEL (label), 0.0f);
    gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);

    g_free(label_text);

    category_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
    gtk_box_pack_start (GTK_BOX (categories_vbox), category_vbox, TRUE, TRUE, 0);
    gtk_widget_show (category_vbox);

    title = g_strconcat ("<span weight=\"bold\">", _("Colors"), "</span>", NULL);
    label = gtk_label_new (title);
    gtk_label_set_use_markup (GTK_LABEL (label), TRUE);
    gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_LEFT);
    gtk_label_set_xalign (GTK_LABEL (label), 0.0);
    gtk_box_pack_start (GTK_BOX (category_vbox), label, FALSE, FALSE, 0);
    gtk_widget_show (label);
    g_free (title);

    hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
    gtk_box_pack_start (GTK_BOX (category_vbox), hbox, TRUE, TRUE, 0);
    gtk_widget_show (hbox);

    indent = gtk_label_new (HIG_IDENTATION);
    gtk_label_set_justify (GTK_LABEL (indent), GTK_JUSTIFY_LEFT);
    gtk_box_pack_start (GTK_BOX (hbox), indent, FALSE, FALSE, 0);
    gtk_widget_show (indent);

    control_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
    gtk_box_pack_start (GTK_BOX (hbox), control_vbox, TRUE, TRUE, 0);
    gtk_widget_show (control_vbox);

    ma->notebook = gtk_notebook_new();
    gtk_container_add (GTK_CONTAINER (control_vbox), ma->notebook);

    page = add_page(ma->notebook,  _("Processor"));
    gtk_container_set_border_width (GTK_CONTAINER (page), 12);
    add_color_selector(page, _("_User"), "cpuload-color0", ma);
    add_color_selector(page, _("S_ystem"), "cpuload-color1", ma);
    add_color_selector(page, _("N_ice"), "cpuload-color2", ma);
    add_color_selector(page, _("I_OWait"), "cpuload-color3", ma);
    add_color_selector(page, _("I_dle"), "cpuload-color4", ma);

    page = add_page(ma->notebook,  _("Memory"));
    gtk_container_set_border_width (GTK_CONTAINER (page), 12);
    add_color_selector(page, _("_User"), "memload-color0", ma);
    add_color_selector(page, _("Sh_ared"), "memload-color1", ma);
    add_color_selector(page, _("_Buffers"), "memload-color2", ma);
    add_color_selector (page, _("Cach_ed"), "memload-color3", ma);
    add_color_selector(page, _("F_ree"), "memload-color4", ma);

    page = add_page(ma->notebook,  _("Network"));
    gtk_container_set_border_width (GTK_CONTAINER (page), 12);
    add_color_selector (page, _("_In"), "netload2-color0", ma);
    add_color_selector(page, _("_Out"), "netload2-color1", ma);
    add_color_selector (page, _("_Local"), "netload2-color2", ma);
    add_color_selector(page, _("_Background"), "netload2-color3", ma);
    add_color_selector(page, _("_Gridline"), "netload2-color4", ma);
    add_color_selector(page, _("_Indicator"), "netload2-color5", ma);

    page = add_page(ma->notebook,  _("Swap Space"));
    gtk_container_set_border_width (GTK_CONTAINER (page), 12);
    add_color_selector(page, _("_Used"), "swapload-color0", ma);
    add_color_selector(page, _("_Free"), "swapload-color1", ma);

    page = add_page(ma->notebook,  _("Load"));
    gtk_container_set_border_width (GTK_CONTAINER (page), 12);
    add_color_selector(page, _("_Average"), "loadavg-color0", ma);
    add_color_selector(page, _("_Background"), "loadavg-color1", ma);
    add_color_selector(page, _("_Gridline"), "loadavg-color2", ma);

    page = add_page (ma->notebook, _("Harddisk"));
    gtk_container_set_border_width (GTK_CONTAINER (page), 12);
    add_color_selector (page, _("_Read"), "diskload-color0", ma);
    add_color_selector (page, _("_Write"), "diskload-color1", ma);
    add_color_selector (page, _("_Background"), "diskload-color2", ma);
    GtkWidget *nvme_box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
    GtkWidget *nvme_checkbox = gtk_check_button_new_with_mnemonic (_("Use diskstats for NVMe"));
    ma->nvme_diskstats = g_settings_get_boolean (ma->settings, "diskload-nvme-diskstats");
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (nvme_checkbox),
                                  ma->nvme_diskstats);
    g_signal_connect (G_OBJECT (nvme_checkbox), "toggled",
                      G_CALLBACK (nvme_checkbox_toggled_cb), ma);
    gtk_box_pack_start (GTK_BOX(nvme_box), nvme_checkbox, FALSE, FALSE, 0);
    gtk_box_pack_start (GTK_BOX(page), nvme_box, FALSE, FALSE, 0);
    gtk_widget_show (nvme_box);

    title = g_strconcat ("<span weight=\"bold\">", _("Network speed thresholds"), "</span>", NULL);
    label = gtk_label_new (title);
    gtk_label_set_use_markup (GTK_LABEL (label), TRUE);
    gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_LEFT);
    gtk_label_set_xalign (GTK_LABEL (label), 0.0);
    gtk_box_pack_start (GTK_BOX (category_vbox), label, FALSE, FALSE, 0);
    gtk_widget_show (label);
    g_free (title);

    hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
    gtk_box_pack_start (GTK_BOX (category_vbox), hbox, TRUE, TRUE, 0);
    gtk_widget_show (hbox);

    indent = gtk_label_new (HIG_IDENTATION);
    gtk_label_set_justify (GTK_LABEL (indent), GTK_JUSTIFY_LEFT);
    gtk_box_pack_start (GTK_BOX (hbox), indent, FALSE, FALSE, 0);
    gtk_widget_show (indent);

    control_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
    gtk_box_pack_start (GTK_BOX (hbox), control_vbox, TRUE, TRUE, 0);
    gtk_widget_show (control_vbox);

    control_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
    gtk_box_pack_start (GTK_BOX (control_vbox), control_hbox, TRUE, TRUE, 0);
    gtk_widget_show (control_hbox);

    label_size = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);

    label_text = g_strdup(_("Threshold 1: "));
    label = gtk_label_new_with_mnemonic(label_text);
    gtk_label_set_xalign (GTK_LABEL (label), 0.0f);
    gtk_size_group_add_widget (label_size, label);
    gtk_box_pack_start (GTK_BOX (control_hbox), label, FALSE, FALSE, 0);

    hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
    gtk_box_pack_start (GTK_BOX (control_hbox), hbox, TRUE, TRUE, 0);
    gtk_widget_show (hbox);

    spin_size = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);

    spin_button = gtk_spin_button_new_with_range (MIN_NET_THRESHOLD1, MAX_NET_THRESHOLD1, 5);
    gtk_label_set_mnemonic_widget (GTK_LABEL (label), spin_button);
    g_object_set_data(G_OBJECT(spin_button), "MultiloadApplet", ma);
    g_object_set_data(G_OBJECT(spin_button), "prop_type",
                      GUINT_TO_POINTER(PROP_NET_THRESHOLD1));
    gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin_button),
                              (gdouble)g_settings_get_uint(ma->settings, "netthreshold1"));
    g_signal_connect(G_OBJECT(spin_button), "value_changed",
                     G_CALLBACK(spin_button_changed_cb), "netthreshold1");

    if ( ! g_settings_is_writable (ma->settings, "netthreshold1"))
    {
        hard_set_sensitive (label, FALSE);
        hard_set_sensitive (hbox, FALSE);
    }

    gtk_size_group_add_widget (spin_size, spin_button);
    gtk_box_pack_start (GTK_BOX (hbox), spin_button, FALSE, FALSE, 0);

    label = gtk_label_new (_("bytes"));
    gtk_label_set_xalign (GTK_LABEL (label), 0.0f);
    gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);

    control_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
    gtk_box_pack_start (GTK_BOX (control_vbox), control_hbox, TRUE, TRUE, 0);
    gtk_widget_show (control_hbox);

    label = gtk_label_new_with_mnemonic(_("Threshold 2: "));
    gtk_label_set_xalign (GTK_LABEL (label), 0.0f);
    gtk_size_group_add_widget (label_size, label);
    gtk_box_pack_start (GTK_BOX (control_hbox), label, FALSE, FALSE, 0);

    hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
    gtk_box_pack_start (GTK_BOX (control_hbox), hbox, TRUE, TRUE, 0);
    gtk_widget_show (hbox);

    spin_button = gtk_spin_button_new_with_range (MIN_NET_THRESHOLD2, MAX_NET_THRESHOLD2, 5);
    gtk_label_set_mnemonic_widget (GTK_LABEL (label), spin_button);
    g_object_set_data(G_OBJECT(spin_button), "MultiloadApplet", ma);
    g_object_set_data(G_OBJECT(spin_button), "prop_type",
                      GINT_TO_POINTER(PROP_NET_THRESHOLD2));
    gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin_button),
                              (gdouble)g_settings_get_uint (ma->settings, "netthreshold2"));
    g_signal_connect(G_OBJECT(spin_button), "value_changed",
                     G_CALLBACK(spin_button_changed_cb), "netthreshold2");
    gtk_size_group_add_widget (spin_size, spin_button);
    gtk_box_pack_start (GTK_BOX (hbox), spin_button, FALSE, FALSE, 0);

    if ( ! g_settings_is_writable (ma->settings, "netthreshold2"))
    {
        hard_set_sensitive (label, FALSE);
        hard_set_sensitive (hbox, FALSE);
    }

    label = gtk_label_new(_("bytes"));
    gtk_label_set_xalign (GTK_LABEL (label), 0.0f);
    gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);

    control_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
    gtk_box_pack_start (GTK_BOX (control_vbox), control_hbox, TRUE, TRUE, 0);
    gtk_widget_show (control_hbox);

    label = gtk_label_new_with_mnemonic(_("Threshold 3: "));
    gtk_label_set_xalign (GTK_LABEL (label), 0.0f);
    gtk_size_group_add_widget (label_size, label);
    gtk_box_pack_start (GTK_BOX (control_hbox), label, FALSE, FALSE, 0);

    hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
    gtk_box_pack_start (GTK_BOX (control_hbox), hbox, TRUE, TRUE, 0);
    gtk_widget_show (hbox);

    spin_button = gtk_spin_button_new_with_range (MIN_NET_THRESHOLD3, MAX_NET_THRESHOLD3, 5);
    gtk_label_set_mnemonic_widget (GTK_LABEL (label), spin_button);
    g_object_set_data(G_OBJECT(spin_button), "MultiloadApplet", ma);
    g_object_set_data(G_OBJECT(spin_button), "prop_type",
                      GINT_TO_POINTER(PROP_NET_THRESHOLD3));
    gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin_button),
                              (gdouble)g_settings_get_uint (ma->settings, "netthreshold3"));
    g_signal_connect(G_OBJECT(spin_button), "value_changed",
                              G_CALLBACK(spin_button_changed_cb), "netthreshold3");
    gtk_size_group_add_widget (spin_size, spin_button);
    gtk_box_pack_start (GTK_BOX (hbox), spin_button, FALSE, FALSE, 0);

    if ( ! g_settings_is_writable (ma->settings, "netthreshold3"))
    {
        hard_set_sensitive (label, FALSE);
        hard_set_sensitive (hbox, FALSE);
    }

    label = gtk_label_new(_("bytes"));
    gtk_label_set_xalign (GTK_LABEL (label), 0.0f);
    gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);

    g_free(label_text);

    category_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
    gtk_box_pack_start (GTK_BOX (categories_vbox), category_vbox, TRUE, TRUE, 0);

    control_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
    gtk_box_pack_start (GTK_BOX (control_vbox), control_hbox, TRUE, TRUE, 0);
    gtk_widget_show (control_hbox);

    gtk_widget_show (category_vbox);

    return;
}

/* show properties dialog */
void
multiload_properties_cb (GtkAction       *action,
                         MultiloadApplet *ma)
{
    GtkWidget *dialog = NULL;

    if (ma->prop_dialog) {
        dialog = ma->prop_dialog;

        gtk_window_set_screen (GTK_WINDOW (dialog),
                               gtk_widget_get_screen (GTK_WIDGET (ma->applet)));

        gtk_notebook_set_current_page (GTK_NOTEBOOK (ma->notebook),
                                       ma->last_clicked);
        gtk_window_present (GTK_WINDOW (dialog));
        return;
    }

    dialog = gtk_dialog_new_with_buttons (_("System Monitor Preferences"),
                                          NULL, 0,
                                          "gtk-help", GTK_RESPONSE_HELP,
                                          "gtk-close", GTK_RESPONSE_CLOSE,
                                          NULL);
    gtk_window_set_screen (GTK_WINDOW (dialog),
                           gtk_widget_get_screen (GTK_WIDGET (ma->applet)));
    gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);
    gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
    gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
    gtk_box_set_spacing (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))), 2);

    fill_properties(dialog, ma);

    properties_set_insensitive(ma);

    g_signal_connect(G_OBJECT(dialog), "response",
                     G_CALLBACK(properties_close_cb), ma);

    ma->prop_dialog = dialog;

    gtk_widget_show_all(dialog);

    gtk_notebook_set_current_page (GTK_NOTEBOOK (ma->notebook),
                                   ma->last_clicked);
}