/* 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, rland@bc1.com. * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "global.h" static void about_cb (GtkAction *action, MultiloadApplet *ma) { const gchar * const authors[] = { "Martin Baulig ", "Todd Kulesza ", "Benoît Dejean ", "Davyd Madeley ", NULL }; const gchar* documenters[] = { "Chee Bin HOH ", N_("Sun GNOME Documentation Team "), 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 2012-2021 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) { guint 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 *visibility_key; const char *name; guint num_colours; LoadGraphDataFunc callback; } graph_types [graph_n] = { [graph_cpuload] = { _("CPU Load"), VIEW_CPULOAD_KEY, "cpuload", cpuload_n, GetLoad }, [graph_memload] = { _("Memory Load"), VIEW_MEMLOAD_KEY, "memload", memload_n, GetMemory }, [graph_netload2] = { _("Net Load"), VIEW_NETLOAD_KEY, "netload2", 6, GetNet }, [graph_swapload] = { _("Swap Load"), VIEW_SWAPLOAD_KEY, "swapload", swapload_n, GetSwap }, [graph_loadavg] = { _("Load Average"), VIEW_LOADAVG_KEY, "loadavg", 3, GetLoadAvg }, [graph_diskload] = { _("Disk Load"), VIEW_DISKLOAD_KEY, "diskload", diskload_n, GetDiskLoad } }; guint size; guint speed; guint64 net_threshold1; guint64 net_threshold2; guint64 net_threshold3; gint i; speed = CLAMP (g_settings_get_uint (ma->settings, REFRESH_RATE_KEY), REFRESH_RATE_MIN, REFRESH_RATE_MAX); size = CLAMP (g_settings_get_uint (ma->settings, GRAPH_SIZE_KEY), GRAPH_SIZE_MIN, GRAPH_SIZE_MAX); net_threshold1 = CLAMP (g_settings_get_uint64 (ma->settings, KEY_NET_THRESHOLD1), MIN_NET_THRESHOLD1, MAX_NET_THRESHOLD1); net_threshold2 = CLAMP (g_settings_get_uint64 (ma->settings, KEY_NET_THRESHOLD2), MIN_NET_THRESHOLD2, MAX_NET_THRESHOLD2); net_threshold3 = CLAMP (g_settings_get_uint64 (ma->settings, KEY_NET_THRESHOLD3), 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; } for (i = 0; i < graph_n; i++) { ma->graphs[i] = load_graph_new (ma, graph_types[i].num_colours, graph_types[i].label, i, speed, size, g_settings_get_boolean (ma->settings, graph_types[i].visibility_key), graph_types[i].name, graph_types[i].callback); } ma->nvme_diskstats = g_settings_get_boolean (ma->settings, "diskload-nvme-diskstats"); /* 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) { guint 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; 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"); 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); mate_panel_applet_setup_menu_from_resource (applet, MULTILOAD_RESOURCE_PATH "multiload-applet-menu.xml", action_group); 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)