-/* MATE multiload panel applet

- * (C) 1997 The Free Software Foundation

- *

- * Authors: Tim P. Gerla

- * Martin Baulig

- * Todd Kulesza

- *

- * With code from wmload.c, v0.9.2, apparently by Ryan Land, [email protected].

- *

- */

-

-#include <config.h>

-#include <stdio.h>

-#include <sys/stat.h>

-#include <unistd.h>

-#include <signal.h>

-#include <dirent.h>

-#include <string.h>

-#include <time.h>

-

-#include <glibtop.h>

-#include <gtk/gtk.h>

-#include <gdk/gdkkeysyms.h>

-#include <gdk-pixbuf/gdk-pixbuf.h>

-#include <gio/gio.h>

-#include <gio/gdesktopappinfo.h>

-#include <mate-panel-applet.h>

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

-

-#include "global.h"

-

-static void

-about_cb (GtkAction *action,

- MultiloadApplet *ma)

-{

- const gchar * const authors[] =

- {

- "Martin Baulig <[email protected]>",

- "Todd Kulesza <[email protected]>",

- "Benoît Dejean <[email protected]>",

- "Davyd Madeley <[email protected]>",

- NULL

- };

-

- const gchar* documenters[] =

- {

- "Chee Bin HOH <[email protected]>",

- N_("Sun GNOME Documentation Team <[email protected]>"),

- N_("MATE Documentation Team"),

- NULL

- };

-

-#ifdef ENABLE_NLS

- const char **p;

- for (p = documenters; *p; ++p)

- *p = _(*p);

-#endif

-

- gtk_show_about_dialog (NULL,

- "title", _("About System Monitor"),

- "version", VERSION,

- "copyright", _("Copyright \xc2\xa9 1999-2005 Free Software Foundation and others\n"

- "Copyright \xc2\xa9 2012-2020 MATE developers"),

- "comments", _("A system load monitor capable of displaying graphs "

- "for CPU, ram, and swap space use, plus network "

- "traffic."),

- "authors", authors,

- "documenters", documenters,

- "translator-credits", _("translator-credits"),

- "logo-icon-name", "utilities-system-monitor",

- NULL);

-}

-

-static void

-help_cb (GtkAction *action,

- MultiloadApplet *ma)

-{

-

- GError *error = NULL;

-

- gtk_show_uri_on_window (NULL,

- "help:mate-multiload",

- 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;

- }

-

-

-}

-

-/* run the full-scale system process monitor */

-

-static void

-start_procman (MultiloadApplet *ma)

-{

- GError *error = NULL;

- GDesktopAppInfo *appinfo;

- gchar *monitor;

- GdkAppLaunchContext *launch_context;

- GdkDisplay *display;

- GAppInfo *app_info;

- GdkScreen *screen;

-

- g_return_if_fail (ma != NULL);

-

- monitor = g_settings_get_string (ma->settings, "system-monitor");

- if (monitor == NULL)

- monitor = g_strdup ("mate-system-monitor.desktop");

-

- screen = gtk_widget_get_screen (GTK_WIDGET (ma->applet));

- appinfo = g_desktop_app_info_new (monitor);

- if (appinfo) {

- GdkAppLaunchContext *context;

- display = gdk_screen_get_display (screen);

- context = gdk_display_get_app_launch_context (display);

- gdk_app_launch_context_set_screen (context, screen);

- g_app_info_launch (G_APP_INFO (appinfo), NULL, G_APP_LAUNCH_CONTEXT (context), &error);

- g_object_unref (context);

- g_object_unref (appinfo);

- }

- else {

- app_info = g_app_info_create_from_commandline ("mate-system-monitor",

- _("Start system-monitor"),

- G_APP_INFO_CREATE_NONE,

- &error);

-

- if (!error) {

- display = gdk_screen_get_display (screen);

- launch_context = gdk_display_get_app_launch_context (display);

- gdk_app_launch_context_set_screen (launch_context, screen);

- g_app_info_launch (app_info, NULL, G_APP_LAUNCH_CONTEXT (launch_context), &error);

-

- g_object_unref (launch_context);

- }

- }

- g_free (monitor);

-

- if (error) {

- GtkWidget *dialog;

-

- dialog = gtk_message_dialog_new (NULL,

- GTK_DIALOG_DESTROY_WITH_PARENT,

- GTK_MESSAGE_ERROR,

- GTK_BUTTONS_OK,

- _("There was an error executing '%s': %s"),

- "mate-system-monitor",

- error->message);

-

- g_signal_connect (dialog, "response",

- G_CALLBACK (gtk_widget_destroy),

- NULL);

-

- gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);

- gtk_window_set_screen (GTK_WINDOW (dialog), screen);

-

- gtk_widget_show (dialog);

-

- g_error_free (error);

- }

-}

-

-static void

-start_procman_cb (GtkAction *action,

- MultiloadApplet *ma)

-{

- start_procman (ma);

-}

-

-static void

-multiload_change_size_cb(MatePanelApplet *applet, gint size, gpointer data)

-{

- MultiloadApplet *ma = (MultiloadApplet *)data;

-

- multiload_applet_refresh(ma);

-

- return;

-}

-

-static void

-multiload_change_orient_cb(MatePanelApplet *applet, gint arg1, gpointer data)

-{

- MultiloadApplet *ma = data;

- multiload_applet_refresh((MultiloadApplet *)data);

- gtk_widget_show (GTK_WIDGET (ma->applet));

- return;

-}

-

-static void

-multiload_destroy_cb(GtkWidget *widget, gpointer data)

-{

- gint i;

- MultiloadApplet *ma = data;

-

- for (i = 0; i < graph_n; i++)

- {

- load_graph_stop(ma->graphs[i]);

- if (ma->graphs[i]->colors)

- {

- g_free (ma->graphs[i]->colors);

- ma->graphs[i]->colors = NULL;

- }

- gtk_widget_destroy(ma->graphs[i]->main_widget);

-

- load_graph_unalloc(ma->graphs[i]);

- g_free(ma->graphs[i]);

- }

-

- netspeed_delete (ma->netspeed_in);

- netspeed_delete (ma->netspeed_out);

-

- if (ma->about_dialog)

- gtk_widget_destroy (ma->about_dialog);

-

- if (ma->prop_dialog)

- gtk_widget_destroy (ma->prop_dialog);

-

- gtk_widget_destroy(GTK_WIDGET(ma->applet));

-

- g_free (ma);

-

- return;

-}

-

-

-static gboolean

-multiload_button_press_event_cb (GtkWidget *widget, GdkEventButton *event, MultiloadApplet *ma)

-{

- g_return_val_if_fail (event != NULL, FALSE);

- g_return_val_if_fail (ma != NULL, FALSE);

-

- if (event->button == 1 && event->type == GDK_BUTTON_PRESS) {

- start_procman (ma);

- return TRUE;

- }

- return FALSE;

-}

-

-static gboolean

-multiload_key_press_event_cb (GtkWidget *widget, GdkEventKey *event, MultiloadApplet *ma)

-{

- g_return_val_if_fail (event != NULL, FALSE);

- g_return_val_if_fail (ma != NULL, FALSE);

-

- switch (event->keyval) {

- /* this list of keyvals taken from mixer applet, which seemed to have

- a good list of keys to use */

- case GDK_KEY_KP_Enter:

- case GDK_KEY_ISO_Enter:

- case GDK_KEY_3270_Enter:

- case GDK_KEY_Return:

- case GDK_KEY_space:

- case GDK_KEY_KP_Space:

- /* activate */

- start_procman (ma);

- return TRUE;

-

- default:

- break;

- }

-

- return FALSE;

-}

-

-/* update the tooltip to the graph's current "used" percentage */

-void

-multiload_applet_tooltip_update(LoadGraph *g)

-{

- gchar *tooltip_text;

- MultiloadApplet *multiload;

- const char *tooltip_label [graph_n] = {

- [graph_cpuload] = N_("Processor"),

- [graph_memload] = N_("Memory"),

- [graph_netload2] = N_("Network"),

- [graph_swapload] = N_("Swap Space"),

- [graph_loadavg] = N_("Load Average"),

- [graph_diskload] = N_("Disk")

- };

- const char *name;

-

- g_assert(g);

-

- multiload = g->multiload;

-

- /* label the tooltip intuitively */

- name = gettext (tooltip_label [g->id]);

-

- switch (g->id) {

- case graph_memload: {

- float user_percent, cache_percent;

-

- user_percent = MIN ((float)(100 * multiload->memload_user) / (float)(multiload->memload_total), 100.0f);

- cache_percent = MIN ((float)(100 * multiload->memload_cache) / (float)(multiload->memload_total), 100.0f);

- tooltip_text = g_strdup_printf (_("%s:\n"

- "%.01f%% in use by programs\n"

- "%.01f%% in use as cache"),

- name,

- user_percent,

- cache_percent);

- break;

- }

- case graph_loadavg: {

- tooltip_text = g_strdup_printf (_("The system load average is %0.02f"),

- multiload->loadavg1);

- break;

- }

- case graph_netload2: {

- char *tx_in, *tx_out;

-

- tx_in = netspeed_get(multiload->netspeed_in);

- tx_out = netspeed_get(multiload->netspeed_out);

- /* xgettext: same as in graphic tab of g-s-m */

- tooltip_text = g_strdup_printf(_("%s:\n"

- "Receiving %s\n"

- "Sending %s"),

- name, tx_in, tx_out);

- g_free(tx_in);

- g_free(tx_out);

- break;

- }

- default: {

- float ratio;

- float percent;

-

- if (g->id == graph_cpuload)

- ratio = multiload->cpu_used_ratio;

- else if (g->id == graph_swapload)

- ratio = multiload->swapload_used_ratio;

- else if (g->id == graph_diskload)

- ratio = multiload->diskload_used_ratio;

- else

- g_assert_not_reached ();

-

- percent = CLAMP (ratio * 100.0f, 0.0f, 100.0f);

- tooltip_text = g_strdup_printf(_("%s:\n"

- "%.01f%% in use"),

- name,

- percent);

- }

- }

-

- gtk_widget_set_tooltip_text(g->disp, tooltip_text);

-

- g_free(tooltip_text);

-}

-

-static void

-multiload_create_graphs(MultiloadApplet *ma)

-{

- struct { const char *label;

- const char *name;

- int num_colours;

- LoadGraphDataFunc callback;

- } graph_types [graph_n] = {

- [graph_cpuload] = { _("CPU Load"), "cpuload", cpuload_n, GetLoad },

- [graph_memload] = { _("Memory Load"), "memload", memload_n, GetMemory },

- [graph_netload2] = { _("Net Load"), "netload2", 6, GetNet },

- [graph_swapload] = { _("Swap Load"), "swapload", swapload_n, GetSwap },

- [graph_loadavg] = { _("Load Average"), "loadavg", 3, GetLoadAvg },

- [graph_diskload] = { _("Disk Load"), "diskload", diskload_n, GetDiskLoad }

- };

-

- gint speed, size;

- guint net_threshold1;

- guint net_threshold2;

- guint net_threshold3;

- gint i;

-

- speed = g_settings_get_int (ma->settings, "speed");

- size = g_settings_get_int (ma->settings, "size");

- net_threshold1 = CLAMP (g_settings_get_uint (ma->settings, "netthreshold1"), MIN_NET_THRESHOLD1, MAX_NET_THRESHOLD1);

- net_threshold2 = CLAMP (g_settings_get_uint (ma->settings, "netthreshold2"), MIN_NET_THRESHOLD2, MAX_NET_THRESHOLD2);

- net_threshold3 = CLAMP (g_settings_get_uint (ma->settings, "netthreshold3"), MIN_NET_THRESHOLD3, MAX_NET_THRESHOLD3);

- if (net_threshold1 >= net_threshold2)

- {

- net_threshold1 = net_threshold2 - 1;

- }

- if (net_threshold2 >= net_threshold3)

- {

- net_threshold3 = net_threshold2 + 1;

- }

- speed = MAX (speed, 50);

- size = CLAMP (size, 10, 400);

-

- for (i = 0; i < graph_n; i++)

- {

- gboolean visible;

- char *key;

-

- /* This is a special case to handle migration from an

- * older version of netload to a newer one in the

- * 2.25.1 release. */

- if (i == graph_netload2) {

- key = g_strdup ("view-netload");

- } else {

- key = g_strdup_printf ("view-%s", graph_types[i].name);

- }

- visible = g_settings_get_boolean (ma->settings, key);

- g_free (key);

-

- ma->graphs[i] = load_graph_new (ma,

- graph_types[i].num_colours,

- graph_types[i].label,

- i,

- speed,

- size,

- visible,

- graph_types[i].name,

- graph_types[i].callback);

- }

- /* for Network graph, colors[4] is grid line color, it should not be used in loop in load-graph.c */

- /* for Network graph, colors[5] is indicator color, it should not be used in loop in load-graph.c */

- ma->graphs[graph_netload2]->n = 4;

- ma->net_threshold1 = net_threshold1;

- ma->net_threshold2 = net_threshold2;

- ma->net_threshold3 = net_threshold3;

- ma->netspeed_in = netspeed_new (ma->graphs [graph_netload2]);

- ma->netspeed_out = netspeed_new (ma->graphs [graph_netload2]);

- /* for Load graph, colors[2] is grid line color, it should not be used in loop in load-graph.c */

- ma->graphs[graph_loadavg]->n = 2;

-}

-

-/* remove the old graphs and rebuild them */

-void

-multiload_applet_refresh(MultiloadApplet *ma)

-{

- gint i;

- MatePanelAppletOrient orientation;

-

- /* stop and free the old graphs */

- for (i = 0; i < graph_n; i++)

- {

- if (!ma->graphs[i])

- continue;

-

- load_graph_stop(ma->graphs[i]);

- gtk_widget_destroy(ma->graphs[i]->main_widget);

-

- load_graph_unalloc(ma->graphs[i]);

- g_free(ma->graphs[i]);

- }

-

- if (ma->box)

- gtk_widget_destroy(ma->box);

-

- orientation = mate_panel_applet_get_orient(ma->applet);

-

- if ( (orientation == MATE_PANEL_APPLET_ORIENT_UP) ||

- (orientation == MATE_PANEL_APPLET_ORIENT_DOWN) ) {

- ma->box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);

- }

- else

- ma->box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);

-

- gtk_container_add(GTK_CONTAINER(ma->applet), ma->box);

-

- /* create the N graphs, passing in their user-configurable properties with gsettings. */

- multiload_create_graphs (ma);

-

- /* only start and display the graphs the user has turned on */

-

- for (i = 0; i < graph_n; i++) {

- gtk_box_pack_start(GTK_BOX(ma->box),

- ma->graphs[i]->main_widget,

- TRUE, TRUE, 1);

- if (ma->graphs[i]->visible) {

- gtk_widget_show_all (ma->graphs[i]->main_widget);

- load_graph_start(ma->graphs[i]);

- }

- }

- gtk_widget_show (ma->box);

-

- return;

-}

-

-static const GtkActionEntry multiload_menu_actions [] = {

- { "MultiLoadProperties", "document-properties", N_("_Preferences"),

- NULL, NULL,

- G_CALLBACK (multiload_properties_cb) },

- { "MultiLoadRunProcman", "system-run", N_("_Open System Monitor"),

- NULL, NULL,

- G_CALLBACK (start_procman_cb) },

- { "MultiLoadHelp", "help-browser", N_("_Help"),

- NULL, NULL,

- G_CALLBACK (help_cb) },

- { "MultiLoadAbout", "help-about", N_("_About"),

- NULL, NULL,

- G_CALLBACK (about_cb) }

-};

-

-/* create a box and stuff the load graphs inside of it */

-static gboolean

-multiload_applet_new(MatePanelApplet *applet, const gchar *iid, gpointer data)

-{

- GtkStyleContext *context;

- MultiloadApplet *ma;

- GSettings *lockdown_settings;

- GtkActionGroup *action_group;

- gchar *ui_path;

-

- context = gtk_widget_get_style_context (GTK_WIDGET (applet));

- gtk_style_context_add_class (context, "multiload-applet");

-

- ma = g_new0(MultiloadApplet, 1);

-

- ma->applet = applet;

-

- ma->about_dialog = NULL;

- ma->prop_dialog = NULL;

- ma->last_clicked = 0;

-

- g_set_application_name (_("System Monitor"));

-

- gtk_window_set_default_icon_name ("utilities-system-monitor");

- mate_panel_applet_set_background_widget (applet, GTK_WIDGET(applet));

-

- ma->settings = mate_panel_applet_settings_new (applet, "org.mate.panel.applet.multiload");

- mate_panel_applet_set_flags (applet, MATE_PANEL_APPLET_EXPAND_MINOR);

-

- action_group = gtk_action_group_new ("Multiload Applet Actions");

- gtk_action_group_set_translation_domain (action_group, GETTEXT_PACKAGE);

- gtk_action_group_add_actions (action_group,

- multiload_menu_actions,

- G_N_ELEMENTS (multiload_menu_actions),

- ma);

- ui_path = g_build_filename (MULTILOAD_MENU_UI_DIR, "multiload-applet-menu.xml", NULL);

- mate_panel_applet_setup_menu_from_file (applet, ui_path, action_group);

- g_free (ui_path);

-

-

- if (mate_panel_applet_get_locked_down (applet)) {

- GtkAction *action;

-

- action = gtk_action_group_get_action (action_group, "MultiLoadProperties");

- gtk_action_set_visible (action, FALSE);

- }

-

- lockdown_settings = g_settings_new ("org.mate.lockdown");

- if (g_settings_get_boolean (lockdown_settings, "disable-command-line") ||

- mate_panel_applet_get_locked_down (applet)) {

- GtkAction *action;

-

- /* When the panel is locked down or when the command line is inhibited,

- it seems very likely that running the procman would be at least harmful */

- action = gtk_action_group_get_action (action_group, "MultiLoadRunProcman");

- gtk_action_set_visible (action, FALSE);

- }

- g_object_unref (lockdown_settings);

-

- g_object_unref (action_group);

-

- g_signal_connect(G_OBJECT(applet), "change_size",

- G_CALLBACK(multiload_change_size_cb), ma);

- g_signal_connect(G_OBJECT(applet), "change_orient",

- G_CALLBACK(multiload_change_orient_cb), ma);

- g_signal_connect(G_OBJECT(applet), "destroy",

- G_CALLBACK(multiload_destroy_cb), ma);

- g_signal_connect(G_OBJECT(applet), "button_press_event",

- G_CALLBACK(multiload_button_press_event_cb), ma);

- g_signal_connect(G_OBJECT(applet), "key_press_event",

- G_CALLBACK(multiload_key_press_event_cb), ma);

-

- multiload_applet_refresh (ma);

-

- gtk_widget_show(GTK_WIDGET(applet));

-

- return TRUE;

-}

-

-static gboolean

-multiload_factory (MatePanelApplet *applet,

- const gchar *iid,

- gpointer data)

-{

- gboolean retval = FALSE;

-

- glibtop_init();

-

- retval = multiload_applet_new(applet, iid, data);

-

- return retval;

-}

-

-MATE_PANEL_APPLET_OUT_PROCESS_FACTORY ("MultiLoadAppletFactory",

- PANEL_TYPE_APPLET,

- "multiload",

- multiload_factory,

- NULL)