Desktop
/* $Id: slider.c,v 1.3 2011/10/17 15:23:23 khorben dead $ */
/* Copyright (c) 2011 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Locker */
/* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <System.h>
#ifdef __NetBSD__
# include <sys/param.h>
# include <sys/sysctl.h>
# include <errno.h>
#else
# include <fcntl.h>
# include <unistd.h>
#endif
#include <string.h>
#include "Locker.h"
/* Slider */
/* private */
/* types */
typedef struct _Slider
{
guint source;
GtkWidget * scale;
} Slider;
/* prototypes */
/* plug-in */
static GtkWidget * _slider_init(LockerPlugin * plugin);
static void _slider_destroy(LockerPlugin * plugin);
static void _slider_action(LockerPlugin * plugin, LockerAction action);
/* callbacks */
static void _slider_on_scale_value_changed(gpointer data);
static gboolean _slider_on_scale_value_changed_timeout(gpointer data);
static gboolean _slider_on_timeout(gpointer data);
static gboolean _slider_on_timeout_suspend(gpointer data);
/* public */
/* variables */
/* plug-in */
LockerPlugin plugin =
{
NULL,
"Slider",
_slider_init,
_slider_destroy,
_slider_action,
NULL
};
/* private */
/* functions */
/* slider_init */
static GtkWidget * _slider_init(LockerPlugin * plugin)
{
Slider * slider;
GtkWidget * vbox;
GtkWidget * hbox;
GtkWidget * widget;
if((slider = object_new(sizeof(*slider))) == NULL)
return NULL;
plugin->priv = slider;
slider->source = 0;
vbox = gtk_vbox_new(FALSE, 4);
hbox = gtk_hbox_new(FALSE, 4);
/* left image */
widget = gtk_image_new_from_icon_name("stock_lock",
GTK_ICON_SIZE_LARGE_TOOLBAR);
gtk_misc_set_alignment(GTK_MISC(widget), 1.0, 0.5);
gtk_misc_set_padding(GTK_MISC(widget), 0, 96);
gtk_box_pack_start(GTK_BOX(hbox), widget, TRUE, TRUE, 0);
/* scale */
slider->scale = gtk_hscale_new_with_range(0.0, 100.0, 1.0);
gtk_range_set_value(GTK_RANGE(slider->scale), 0.0);
gtk_scale_set_draw_value(GTK_SCALE(slider->scale), FALSE);
gtk_widget_set_size_request(slider->scale, 240, -1);
g_signal_connect_swapped(slider->scale, "value-changed", G_CALLBACK(
_slider_on_scale_value_changed), plugin);
gtk_box_pack_start(GTK_BOX(hbox), slider->scale, FALSE, TRUE, 0);
/* right image */
widget = gtk_image_new_from_icon_name("stock_lock-open",
GTK_ICON_SIZE_LARGE_TOOLBAR);
gtk_misc_set_alignment(GTK_MISC(widget), 0.0, 0.5);
gtk_misc_set_padding(GTK_MISC(widget), 0, 96);
gtk_box_pack_start(GTK_BOX(hbox), widget, TRUE, TRUE, 0);
gtk_box_pack_end(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);
gtk_widget_show_all(vbox);
return vbox;
}
/* slider_destroy */
static void _slider_destroy(LockerPlugin * plugin)
{
Slider * slider = plugin->priv;
if(slider->source != 0)
g_source_remove(slider->source);
object_delete(slider);
}
/* slider_action */
static void _slider_action(LockerPlugin * plugin, LockerAction action)
{
Slider * slider = plugin->priv;
switch(action)
{
case LOCKER_ACTION_LOCK:
gtk_range_set_value(GTK_RANGE(slider->scale), 0.0);
if(slider->source != 0)
g_source_remove(slider->source);
slider->source = g_timeout_add(10000,
_slider_on_timeout_suspend, plugin);
break;
default:
break;
}
}
/* callbacks */
/* slider_on_scale_value_changed */
static void _slider_on_scale_value_changed(gpointer data)
{
LockerPlugin * plugin = data;
LockerPluginHelper * helper = plugin->helper;
Slider * slider = plugin->priv;
gdouble value;
if(slider->source != 0)
g_source_remove(slider->source);
slider->source = 0;
value = gtk_range_get_value(GTK_RANGE(slider->scale));
if(value >= 100.0)
helper->action(helper->locker, LOCKER_ACTION_UNLOCK);
else if(value > 0.0)
slider->source = g_timeout_add(1000,
_slider_on_scale_value_changed_timeout, plugin);
}
/* slider_on_scale_value_changed_timeout */
static gboolean _slider_on_scale_value_changed_timeout(gpointer data)
{
LockerPlugin * plugin = data;
Slider * slider = plugin->priv;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
gtk_range_set_value(GTK_RANGE(slider->scale), 0.0);
slider->source = g_timeout_add(3000, _slider_on_timeout, plugin);
return FALSE;
}
/* slider_on_timeout */
static gboolean _slider_on_timeout(gpointer data)
{
LockerPlugin * plugin = data;
LockerPluginHelper * helper = plugin->helper;
Slider * slider = plugin->priv;
slider->source = 0;
helper->action(helper->locker, LOCKER_ACTION_ACTIVATE);
return FALSE;
}
/* slider_on_timeout_suspend */
static gboolean _slider_on_timeout_suspend(gpointer data)
{
LockerPlugin * plugin = data;
LockerPluginHelper * helper = plugin->helper;
#ifdef __NetBSD__
int sleep_state = 3;
#else
int fd;
char * suspend[] = { "/usr/bin/sudo", "sudo", "/usr/bin/apm", "-s",
NULL };
GError * error = NULL;
#endif
#ifdef __NetBSD__
if(sysctlbyname("machdep.sleep_state", NULL, NULL, &sleep_state,
sizeof(sleep_state)) != 0)
helper->error(helper->locker, strerror(errno), 1);
#else
if((fd = open("/sys/power/state", O_WRONLY)) >= 0)
{
write(fd, "mem\n", 4);
close(fd);
}
else if(g_spawn_async(NULL, suspend, NULL, G_SPAWN_FILE_AND_ARGV_ZERO,
NULL, NULL, NULL, &error) != TRUE)
{
helper->error(helper->locker, error->message, 1);
g_error_free(error);
}
#endif
return FALSE;
}