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/***************************************************************************
* Copyright (C) 2006 by Valentine Sinitsyn *
* [email protected] *
* *
* 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. *
***************************************************************************/
#include "cpufreqd.h"
#include <tqdir.h>
#include <tqkeysequence.h>
#include <tqstringlist.h>
#include <tdelocale.h>
#define CHUNK_SIZE 4096
/**
* cpufreqd control module main class
*@author: Valentine Sinitsyn ([email protected])
*@todo: We assume that cpufreqd is in dynamic mode when applet is started because as for now it has
* no means to detect mode. This could lead to inconsistency if, ex. applet is restarted after making
* some changes to cpufreqd state.
*/
CPUFreqd::CPUFreqd() {
m_menu = new TQPopupMenu();
TQObject::connect(m_menu, TQT_SIGNAL(aboutToShow()), this, TQT_SLOT(updateMenu()));
m_dynamic = new TQAction(i18n("Select dynamically"), TQKeySequence(), this);
TQObject::connect(m_dynamic, TQT_SIGNAL(activated()), this, TQT_SLOT(setDynamic()));
m_dynamic->setToggleAction(true);
m_dynamic->setOn(true);
m_items = new TQActionGroup(this);
m_items->setExclusive(true);
m_actions = new TQPtrList<TQAction>();
m_actions->setAutoDelete(true);
m_mapper = new TQSignalMapper(this);
TQObject::connect(m_mapper, TQT_SIGNAL(mapped(int)), this, TQT_SLOT(setProfile(int)));
}
CPUFreqd::~CPUFreqd() {
}
bool CPUFreqd::enabled() const {
return m_conn.available();
}
TQValueVector<CPUFreqdProfile> & CPUFreqd::getProfiles(bool reconnect) {
char chunk[CHUNK_SIZE];
TQString buffer;
if (!m_profiles.empty())
m_profiles.clear();
if (!m_conn.open())
if (reconnect) {
m_dynamic->setOn(m_conn.lookup());
return getProfiles(false);
} else {
return m_profiles;
}
if (!m_conn.write(CMD_LIST_PROFILES, 0))
return m_profiles;
int bytes = 0;
while ( (bytes = m_conn.read(chunk, CHUNK_SIZE - 1)) ) {
chunk[bytes] = '\0';
buffer.append(chunk);
}
TQStringList profiles = TQStringList::split("\n", buffer);
for (TQStringList::Iterator it = profiles.begin(); it != profiles.end(); it++)
m_profiles.push_back( CPUFreqdProfile(*it) );
m_conn.close();
return m_profiles;
}
TQPopupMenu* CPUFreqd::menu() {
return m_menu;
}
void CPUFreqd::updateMenu() {
TQAction *cur;
m_menu->clear();
m_actions->clear();
getProfiles(true);
if (!m_profiles.isEmpty()) {
m_dynamic->addTo(m_menu);
m_menu->insertSeparator();
for (unsigned int i = 0; i < m_profiles.count(); i++)
if (m_profiles[i].isValid()) {
cur = new TQAction(m_profiles[i].name(), TQKeySequence(), m_items);
TQObject::connect(cur, TQT_SIGNAL(activated()), m_mapper, TQT_SLOT(map()));
cur->setToggleAction(true);
cur->setOn(m_profiles[i].active());
m_mapper->setMapping(cur, i+1);
m_actions->append(cur);
}
m_items->addTo(m_menu);
} else {
int errmsg = m_menu->insertItem(i18n("Can't talk to cpufreqd"), 0, 0);
m_menu->setItemEnabled(errmsg, false);
}
}
void CPUFreqd::setManual() {
setMode(ARG_MANUAL);
m_dynamic->setOn(false);
}
void CPUFreqd::setDynamic() {
setMode(ARG_DYNAMIC);
m_dynamic->setOn(true);
}
void CPUFreqd::setProfile(int id) {
//@fixme: make it return bool and bail out if it falis
if (m_dynamic->isOn())
setManual();
if (!m_conn.open())
return;
m_conn.write(CMD_SET_PROFILE, (uint32_t)id);
m_conn.close();
}
void CPUFreqd::setMode(uint32_t mode) {
if (!m_conn.open())
return;
m_conn.write(CMD_SET_MODE, mode);
m_conn.close();
}
#include "cpufreqd.moc"
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