154 lines
3.6 KiB
C
154 lines
3.6 KiB
C
/* $Id$ */
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/* Copyright (c) 2010 Pierre Pronchery <khorben@defora.org> */
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/* This file is part of DeforaOS Desktop Panel */
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/* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <sys/time.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#if defined(__linux__)
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# include <sys/sysinfo.h>
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#elif defined(__NetBSD__)
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# include <sys/sysctl.h>
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#endif
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#include <libintl.h>
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#include "Panel.h"
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#define _(string) gettext(string)
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/* Swap */
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/* private */
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/* types */
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typedef struct _Swap
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{
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PanelAppletHelper * helper;
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GtkWidget * scale;
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guint timeout;
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} Swap;
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/* prototypes */
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static GtkWidget * _swap_init(PanelApplet * applet);
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static void _swap_destroy(PanelApplet * applet);
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/* callbacks */
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#if defined(__linux__) || defined(__NetBSD__)
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static gboolean _on_timeout(gpointer data);
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#endif
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/* public */
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/* variables */
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PanelApplet applet =
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{
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NULL,
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"Swap",
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NULL,
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_swap_init,
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_swap_destroy,
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NULL,
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FALSE,
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TRUE,
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NULL
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};
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/* private */
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/* functions */
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/* swap_init */
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static GtkWidget * _swap_init(PanelApplet * applet)
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{
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#if defined(__linux__) || defined(__NetBSD__)
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GtkWidget * ret;
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Swap * swap;
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PangoFontDescription * desc;
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GtkWidget * widget;
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if((swap = malloc(sizeof(*swap))) == NULL)
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{
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applet->helper->error(applet->helper->panel, "malloc", 0);
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return NULL;
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}
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applet->priv = swap;
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swap->helper = applet->helper;
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ret = gtk_hbox_new(FALSE, 0);
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desc = pango_font_description_new();
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pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
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widget = gtk_label_new(_("Swap:"));
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gtk_widget_modify_font(widget, desc);
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gtk_box_pack_start(GTK_BOX(ret), widget, FALSE, FALSE, 0);
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swap->scale = gtk_vscale_new_with_range(0, 100, 1);
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gtk_widget_set_sensitive(swap->scale, FALSE);
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gtk_range_set_inverted(GTK_RANGE(swap->scale), TRUE);
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gtk_scale_set_value_pos(GTK_SCALE(swap->scale), GTK_POS_RIGHT);
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gtk_box_pack_start(GTK_BOX(ret), swap->scale, FALSE, FALSE, 0);
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swap->timeout = g_timeout_add(5000, _on_timeout, swap);
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_on_timeout(swap);
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pango_font_description_free(desc);
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gtk_widget_show_all(ret);
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return ret;
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#else
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error_set("%s: %s", "swap", _("Unsupported platform"));
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return NULL;
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#endif
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}
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/* swap_destroy */
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static void _swap_destroy(PanelApplet * applet)
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{
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Swap * swap = applet->priv;
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g_source_remove(swap->timeout);
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free(swap);
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}
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/* callbacks */
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/* on_timeout */
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#if defined(__linux__)
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static gboolean _on_timeout(gpointer data)
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{
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Swap * swap = data;
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struct sysinfo sy;
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gdouble value;
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if(sysinfo(&sy) != 0)
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return swap->helper->error(swap->helper->panel, "sysinfo",
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TRUE);
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if((value = sy.totalswap - sy.freeswap) != 0.0 && sy.totalswap != 0)
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value /= sy.totalswap;
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gtk_range_set_value(GTK_RANGE(swap->scale), value);
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return TRUE;
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}
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#elif defined(__NetBSD__)
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static gboolean _on_timeout(gpointer data)
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{
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Swap * swap = data;
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int mib[] = { CTL_VM, VM_UVMEXP };
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struct uvmexp ue;
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size_t size = sizeof(ue);
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gdouble value;
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if(sysctl(mib, 2, &ue, &size, NULL, 0) < 0)
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return TRUE;
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if((value = ue.swpgonly) != 0.0 && ue.swpages != 0)
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value /= ue.swpages;
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gtk_range_set_value(GTK_RANGE(swap->scale), value);
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return TRUE;
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}
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#endif
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