296 lines
7.3 KiB
C
296 lines
7.3 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 <time.h>
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#include <errno.h>
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#if defined(__NetBSD__)
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# include <sys/types.h>
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# include <sys/ioctl.h>
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# include <sys/envsys.h>
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# include <fcntl.h>
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# include <unistd.h>
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# include <paths.h>
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#elif defined(__linux__)
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# include <fcntl.h>
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# include <unistd.h>
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# include <stdio.h>
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#endif
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#include <System.h>
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#include "Panel.h"
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/* Battery */
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/* private */
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/* types */
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typedef struct _Battery
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{
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PanelAppletHelper * helper;
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GtkWidget * hbox;
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GtkWidget * image;
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GtkWidget * scale;
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guint timeout;
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#if defined(__NetBSD__) || defined(__linux__)
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int fd;
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#endif
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} Battery;
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/* prototypes */
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static GtkWidget * _battery_init(PanelApplet * applet);
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static void _battery_destroy(PanelApplet * applet);
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static gdouble _battery_get(Battery * battery);
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static void _battery_set(Battery * battery, gdouble value);
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/* callbacks */
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static gboolean _on_timeout(gpointer data);
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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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_battery_init,
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_battery_destroy,
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PANEL_APPLET_POSITION_END,
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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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/* battery_init */
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static GtkWidget * _battery_init(PanelApplet * applet)
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{
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GtkWidget * hbox;
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Battery * battery;
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if((battery = malloc(sizeof(*battery))) == NULL)
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return NULL;
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applet->priv = battery;
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battery->helper = applet->helper;
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battery->timeout = 0;
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#if defined(__NetBSD__) || defined(__linux__)
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battery->fd = -1;
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#endif
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hbox = gtk_hbox_new(FALSE, 0);
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battery->hbox = hbox;
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battery->image = gtk_image_new_from_icon_name("battery",
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applet->helper->icon_size);
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gtk_box_pack_start(GTK_BOX(hbox), battery->image, FALSE, TRUE, 0);
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battery->scale = gtk_vscale_new_with_range(0, 100, 1);
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gtk_widget_set_sensitive(battery->scale, FALSE);
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gtk_range_set_inverted(GTK_RANGE(battery->scale), TRUE);
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gtk_scale_set_value_pos(GTK_SCALE(battery->scale), GTK_POS_RIGHT);
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gtk_box_pack_start(GTK_BOX(hbox), battery->scale, FALSE, TRUE, 0);
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battery->timeout = g_timeout_add(1000, _on_timeout, battery);
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_on_timeout(battery);
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gtk_widget_show(battery->image);
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gtk_widget_show(battery->scale);
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return hbox;
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}
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/* battery_destroy */
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static void _battery_destroy(PanelApplet * applet)
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{
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Battery * battery = applet->priv;
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if(battery->timeout > 0)
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g_source_remove(battery->timeout);
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#if defined(__NetBSD__) || defined(__linux__)
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if(battery->fd != -1)
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close(battery->fd);
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#endif
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free(battery);
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}
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/* battery_set */
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static void _battery_set(Battery * battery, gdouble value)
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{
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/* XXX only set image and show when necessary? */
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if(value >= 0.0 && value <= 100.0)
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gtk_widget_show(battery->hbox);
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if(value < 0.0)
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gtk_image_set_from_icon_name(GTK_IMAGE(battery->image),
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"stock_dialog-question",
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battery->helper->icon_size);
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else if(value <= 10.0)
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gtk_image_set_from_icon_name(GTK_IMAGE(battery->image),
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"battery-caution", battery->helper->icon_size);
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else if(value <= 20.0)
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gtk_image_set_from_icon_name(GTK_IMAGE(battery->image),
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"battery-low", battery->helper->icon_size);
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else if(value <= 100.0)
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gtk_image_set_from_icon_name(GTK_IMAGE(battery->image),
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"battery", battery->helper->icon_size);
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else
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{
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gtk_image_set_from_icon_name(GTK_IMAGE(battery->image),
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"error", battery->helper->icon_size);
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gtk_widget_hide(battery->hbox);
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value = 0.0;
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}
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gtk_range_set_value(GTK_RANGE(battery->scale), value);
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}
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/* callbacks */
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/* on_timeout */
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#if defined(__NetBSD__)
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static int _get_tre(int fd, int sensor, envsys_tre_data_t * tre);
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static gdouble _battery_get(Battery * battery)
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{
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int i;
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envsys_basic_info_t info;
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envsys_tre_data_t tre;
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unsigned int rate = 0;
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unsigned int charge = 0;
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unsigned int maxcharge = 0;
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if(battery->fd == -1
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&& (battery->fd = open(_PATH_SYSMON, O_RDONLY) < 0))
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{
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error_set("%s: %s", _PATH_SYSMON, strerror(errno));
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return -1.0;
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}
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for(i = 0; i >= 0; i++)
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{
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memset(&info, 0, sizeof(info));
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info.sensor = i;
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if(ioctl(battery->fd, ENVSYS_GTREINFO, &info) == -1)
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{
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close(battery->fd);
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battery->fd = -1;
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/* FIXME why does it always break once? */
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error_set("%s: %s", "ENVSYS_GTREINFO", strerror(errno));
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return -1.0;
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}
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if(!(info.validflags & ENVSYS_FVALID))
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break;
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#ifdef DEBUG
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fprintf(stderr, "DEBUG: %s() %d \"%s\"\n", __func__, i,
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info.desc);
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#endif
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if(strcmp("acpiacad0 connected", info.desc) == 0
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&& _get_tre(battery->fd, i, &tre) == 0
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&& tre.validflags & ENVSYS_FCURVALID)
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/* FIXME implement */
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continue;
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if(strncmp("acpibat ", info.desc, 7) != 0
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|| info.desc[7] == '\0'
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|| info.desc[8] != ' ')
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continue;
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if(strcmp("charge", &info.desc[9]) == 0
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&& _get_tre(battery->fd, i, &tre) == 0
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&& tre.validflags & ENVSYS_FCURVALID
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&& tre.validflags & ENVSYS_FMAXVALID)
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{
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charge += tre.cur.data_us;
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maxcharge += tre.max.data_us;
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}
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else if(strcmp("charge rate", &info.desc[9]) == 0
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&& _get_tre(battery->fd, i, &tre) == 0
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&& tre.validflags & ENVSYS_FCURVALID)
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rate += tre.cur.data_us;
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else if(strcmp("charging", &info.desc[9]) == 0
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&& _get_tre(battery->fd, i, &tre) == 0
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&& tre.validflags & ENVSYS_FCURVALID
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&& tre.cur.data_us > 0)
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/* FIXME implement */
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continue;
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else if(strcmp("discharge rate", &info.desc[9]) == 0
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&& _get_tre(battery->fd, i, &tre) == 0
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&& tre.validflags & ENVSYS_FCURVALID)
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rate += tre.cur.data_us;
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}
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return (charge * 100.0) / maxcharge;
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}
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static int _get_tre(int fd, int sensor, envsys_tre_data_t * tre)
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{
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memset(tre, 0, sizeof(*tre));
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tre->sensor = sensor;
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if(ioctl(fd, ENVSYS_GTREDATA, tre) == -1)
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return 1;
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return !(tre->validflags & ENVSYS_FVALID);
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}
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#elif defined(__linux__)
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static gdouble _battery_get(Battery * battery)
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{
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const char apm[] = "/proc/apm";
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char buf[80];
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ssize_t buf_cnt;
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double d;
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unsigned int u;
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int i;
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int b;
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if(battery->fd == -1 && (battery->fd = open(apm, O_RDONLY)) == -1)
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{
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error_set("%s: %s", apm, strerror(errno));
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return 0.0 / 0.0;
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}
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errno = ENODATA;
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if((buf_cnt = read(battery->fd, buf, sizeof(buf))) <= 0)
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{
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error_set("%s: %s", apm, strerror(errno));
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close(battery->fd);
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battery->fd = -1;
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return 0.0 / 0.0;
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}
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buf[--buf_cnt] = '\0';
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if(sscanf(buf, "%lf %lf %x %x %x %x %d%% %d min", &d, &d, &u, &u, &u,
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&u, &b, &i) != 8)
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{
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error_set("%s: %s", apm, strerror(errno));
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d = 0.0 / 0.0;
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}
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else
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d = b;
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close(battery->fd);
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battery->fd = -1;
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return d;
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}
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#else
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static gdouble _battery_get(Battery * battery)
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{
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/* FIXME not supported */
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error_set("%s", strerror(ENOSYS));
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return 0.0 / 0.0;
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}
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#endif
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/* callbacks */
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/* on_timeout */
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static gboolean _on_timeout(gpointer data)
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{
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Battery * battery = data;
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_battery_set(battery, _battery_get(battery));
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return TRUE;
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}
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