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authorrbuj <[email protected]>2020-12-02 09:54:00 +0100
committerraveit65 <[email protected]>2020-12-13 15:45:33 +0100
commit61e25238728dd5cb9922932a5b7279eb6cdb15da (patch)
tree07c73bb9d083054c0d71d0a19e019d6f5ab5c710 /multiload/src/main.c
parent3cf85cb5229c3e87fed2f926004fed724e94e8cb (diff)
downloadmate-applets-61e25238728dd5cb9922932a5b7279eb6cdb15da.tar.bz2
mate-applets-61e25238728dd5cb9922932a5b7279eb6cdb15da.tar.xz
multiload: Use common subdirs - src, data
Diffstat (limited to 'multiload/src/main.c')
-rw-r--r--multiload/src/main.c573
1 files changed, 573 insertions, 0 deletions
diff --git a/multiload/src/main.c b/multiload/src/main.c
new file mode 100644
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--- /dev/null
+++ b/multiload/src/main.c
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+/* 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]>",
+ "BenoĆ®t 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 *visibility_key;
+ const char *name;
+ int 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 }
+ };
+
+ 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++)
+ {
+ 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)
+{
+ 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;
+
+ 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_file (applet,
+ MULTILOAD_MENU_UI_DIR "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)