summaryrefslogtreecommitdiffstats
path: root/klaptopdaemon/apm.cpp
blob: a13a9077c329dcfd6ce5a04441b11077bde28fbf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
/*
 * battery.cpp
 *
 * Copyright (c) 1999 Paul Campbell <paul@taniwha.com>
 * Copyright (c) 2002 Marc Mutz <mutz@kde.org>
 *
 * Requires the Qt widget libraries, available at no cost at
 * http://www.troll.no/
 *
 *  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; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  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, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

// my headers:
#include "apm.h"
#include "version.h"
#include "portable.h"
#include <stdlib.h>
#include <unistd.h>

// other KDE headers:
#include <klocale.h>
#include <kconfig.h>
#include <knuminput.h>
#include <kiconloader.h>
#include <kicondialog.h>
#include <kapplication.h>
#include <kmessagebox.h>
#include <kstandarddirs.h>
#include <kprocess.h>

// other Qt headers:
#include <qlayout.h>
#include <qlabel.h>
#include <qcheckbox.h>
#include <qhbox.h>
#include <qvgroupbox.h>
#include <qgrid.h>
#include <qpushbutton.h>
#include <qtooltip.h>
extern void wake_laptop_daemon();

ApmConfig::ApmConfig (QWidget * parent, const char *name)
  : KCModule(parent, name)
{
    KGlobal::locale()->insertCatalogue("klaptopdaemon"); // For translation of klaptopdaemon messages

    config =  new KConfig("kcmlaptoprc");

    QVBoxLayout *top_layout = new QVBoxLayout( this, KDialog::marginHint(),
					       KDialog::spacingHint() );

    QLabel *tmp_label = new QLabel( i18n("This panel lets you configure your APM system and lets "
					"you have access to some of the extra features provided by it"), this );
    tmp_label->setAlignment( Qt::WordBreak );
    top_layout->addWidget( tmp_label );
    
    tmp_label = new QLabel( i18n("NOTE: some APM implementations have buggy suspend/standby "
				"implementations. You should test these features very gingerly - save "
				"all your work, check them on and try a suspend/standby from "
				"the popup menu on the battery icon in the panel if it fails to come "
				"back successfully uncheck the box again."), this );
    tmp_label->setAlignment( Qt::WordBreak );
    top_layout->addWidget( tmp_label );

    tmp_label = new QLabel( i18n("Some changes made on this page may require you to quit the laptop panel "
				"and start it again to take effect"), this );
    tmp_label->setAlignment( Qt::WordBreak );
    top_layout->addWidget( tmp_label );

    bool can_enable = laptop_portable::has_apm(1);	// is helper ready
    enableStandby = new QCheckBox( i18n("Enable standby"), this );
    top_layout->addWidget( enableStandby );
    QToolTip::add( enableStandby, i18n( "If checked this box enables transitions to the 'standby' state - a temporary powered down state" ) );
    enableStandby->setEnabled(can_enable);
    connect( enableStandby, SIGNAL(clicked()), this, SLOT(configChanged()) );

    enableSuspend = new QCheckBox( i18n("Enable &suspend"), this );
    top_layout->addWidget( enableSuspend );
    QToolTip::add( enableSuspend, i18n( "If checked this box enables transitions to the 'suspend' state - a semi-powered down state, sometimes called 'suspend-to-ram'" ) );
    enableSuspend->setEnabled(can_enable);
    connect( enableSuspend, SIGNAL(clicked()), this, SLOT(configChanged()) );
    apm_name = "/usr/bin/apm";
    if (::access(apm_name, F_OK) != 0 && ::access("/usr/sbin/apm", F_OK) == 0) 
	    apm_name = "/usr/sbin/apm";

    tmp_label = new QLabel(i18n("If the above boxes are disabled then there is no 'helper' "
				"application set up to help change APM states, there are two "
				"ways you can enable this application, either make the file "
				"/proc/apm writeable by anyone every time your system boots "
				"or use the button below to make the %1 application "
				"set-uid root").arg(apm_name), this );
    tmp_label->setAlignment( Qt::WordBreak );
    top_layout->addWidget( tmp_label );
    QHBoxLayout *ll = new QHBoxLayout(top_layout);
    QPushButton *setupButton = new QPushButton(i18n("Setup Helper Application"), this);
    connect( setupButton, SIGNAL(clicked()), this, SLOT(setupHelper()) );
    QToolTip::add( setupButton, i18n( "This button can be used to enable the APM helper application" ) );
    ll->addStretch(2);
    ll->addWidget(setupButton);
    ll->addStretch(8);
    if (laptop_portable::has_software_suspend()) {
	tmp_label = new QLabel( i18n("Your system seems to have 'Software Suspend' installed, this can "
				"be used to hibernate or 'suspend to disk' your system if you want "
				"to use this for hibernation check the box below"), this );
	tmp_label->setAlignment( Qt::WordBreak );
	top_layout->addWidget( tmp_label );
     	enableSoftwareSuspendHibernate = new QCheckBox( i18n("Enable software suspend for hibernate"), this );
    	top_layout->addWidget( enableSoftwareSuspendHibernate );
    	QToolTip::add( enableSoftwareSuspendHibernate, i18n( "If checked this box enables transitions to the 'hibernate' state using the 'Software Suspend' mechanism" ) );
    	enableSoftwareSuspendHibernate->setEnabled(laptop_portable::has_software_suspend(2));
    	connect( enableSoftwareSuspendHibernate, SIGNAL(clicked()), this, SLOT(configChanged()) );
	tmp_label = new QLabel( i18n("If the above box is disabled then you need to be logged in "
				"as root or need a helper application to invoke the Software "
				"Suspend utility - KDE provides a utility to do this, if you "
				"wish to use it you must make it set-uid root, the button "
				"below will do this for you"), this );
	tmp_label->setAlignment( Qt::WordBreak );
	top_layout->addWidget( tmp_label );
        ll = new QHBoxLayout(this);
        QPushButton *setupSSButton = new QPushButton(i18n("Setup SS Helper Application"), this);
        connect( setupSSButton, SIGNAL(clicked()), this, SLOT(setupHelper2()) );
        QToolTip::add( setupSSButton, i18n( "This button can be used to enable the Software Suspend helper application" ) );
        ll->addStretch(2);
        ll->addWidget(setupSSButton);
        ll->addStretch(8);
    } else {
	enableSoftwareSuspendHibernate = 0;
    }


    top_layout->addStretch(1);
    top_layout->addWidget( new QLabel( i18n("Version: %1").arg(LAPTOP_VERSION), this), 0, Qt::AlignRight );


    load();      
}

ApmConfig::~ApmConfig()
{
  delete config;
}

void ApmConfig::setupHelper()
{
	QString kdesu = KStandardDirs::findExe("kdesu");
	if (!kdesu.isEmpty()) {
		int rc = KMessageBox::warningContinueCancel(0,
				i18n("You will need to supply a root password "
					"to allow the privileges of the %1 application to change.").arg(apm_name),
				"KLaptopDaemon", KStdGuiItem::cont(),
				"");
		if (rc == KMessageBox::Continue) {
			KProcess proc;
			proc << kdesu;
			proc << "-u";
			proc << "root";
			proc <<  QString("chown root ")+apm_name+"; chmod +s "+apm_name;
			proc.start(KProcess::Block);	// run it sync so has_apm below sees the results
		}
	} else {
		KMessageBox::sorry(0, i18n("%1 cannot be enabled because kdesu cannot be found.  Please make sure that it is installed correctly.").arg(QString(apm_name)),
				i18n("KLaptopDaemon"));
	}
	laptop_portable::apm_set_mask(enablestandby, enablesuspend);
    	bool can_enable = laptop_portable::has_apm(1);	// is helper ready
    	enableStandby->setEnabled(can_enable);
    	enableSuspend->setEnabled(can_enable);
	wake_laptop_daemon();
}

#include "checkcrc.h"
#include "crcresult.h"
void ApmConfig::setupHelper2()	// we use the acpi helper to do software suspend
{
	unsigned long len, crc;
	QString helper = KStandardDirs::findExe("klaptop_acpi_helper");
	checkcrc(helper.latin1(), len, crc);
	if (len != file_len || crc != file_crc) {
		QString str(i18n("The %1 application does not seem to have "
					"the same size or checksum as when it was compiled we do NOT recommend "
					"you proceed with making it setuid-root without further investigation").arg(helper));
		int rc = KMessageBox::warningContinueCancel(0, str, i18n("KLaptopDaemon"), i18n("Run Nevertheless"));
		if (rc != KMessageBox::Continue) 
			return;
	}

	QString kdesu = KStandardDirs::findExe("kdesu");
	if (!kdesu.isEmpty()) {
		int rc = KMessageBox::warningContinueCancel(0,
				i18n("You will need to supply a root password "
					"to allow the privileges of the klaptop_acpi_helper to change."),
				i18n("KLaptopDaemon"), KStdGuiItem::cont(),
				"");
		if (rc == KMessageBox::Continue) {
			KProcess proc;
			proc << kdesu;
			proc << "-u";
			proc << "root";
			proc <<  "chown root "+helper+"; chmod +s "+helper;
			proc.start(KProcess::Block);	// run it sync so has_acpi below sees the results
		}
	} else {
		KMessageBox::sorry(0, i18n("The Software Suspend helper cannot be enabled because kdesu cannot be found.  Please make sure that it is installed correctly."),
				i18n("KLaptopDaemon"));
	}
	laptop_portable::software_suspend_set_mask(enablesoftwaresuspend);
    	bool can_enable = laptop_portable::has_software_suspend(2);	// is helper ready
    	enableSoftwareSuspendHibernate->setEnabled(can_enable);
	wake_laptop_daemon();
}


void ApmConfig::save()
{
        enablestandby = enableStandby->isChecked();
        enablesuspend = enableSuspend->isChecked();
	laptop_portable::apm_set_mask(enablestandby, enablesuspend);
	enablesoftwaresuspend = (enableSoftwareSuspendHibernate ? enableSoftwareSuspendHibernate->isChecked():0);
	laptop_portable::software_suspend_set_mask(enablesoftwaresuspend);

        config->setGroup("ApmDefault");

        config->writeEntry("EnableStandby", enablestandby);
        config->writeEntry("EnableSuspend", enablesuspend);

       	config->setGroup("SoftwareSuspendDefault");
        config->writeEntry("EnableHibernate", enablesoftwaresuspend);
	config->sync();
        changed(false);
	wake_laptop_daemon();
}

void ApmConfig::load()
{
	load( false );
}

void ApmConfig::load(bool useDefaults)
{
	     config->setReadDefaults( useDefaults );
        config->setGroup("ApmDefault");
        enablestandby = config->readBoolEntry("EnableStandby", true);
        enableStandby->setChecked(enablestandby);
        enablesuspend = config->readBoolEntry("EnableSuspend", true);
        enableSuspend->setChecked(enablesuspend);
       	config->setGroup("SoftwareSuspendDefault");
        enablesoftwaresuspend = config->readBoolEntry("EnableHibernate", false);
	if (enableSoftwareSuspendHibernate)
        	enableSoftwareSuspendHibernate->setChecked(enablesoftwaresuspend);
        emit changed(useDefaults);
}

void ApmConfig::defaults()
{
	     load( true );
}


void ApmConfig::configChanged()
{
  emit changed(true);
}


QString ApmConfig::quickHelp() const
{
  return i18n("<h1>APM Setup</h1>This module allows you to configure APM for your system");
}


#include "apm.moc"