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-rw-r--r--core/launcher/runningappbar.cpp125
-rw-r--r--core/launcher/runningappbar.h8
2 files changed, 82 insertions, 51 deletions
diff --git a/core/launcher/runningappbar.cpp b/core/launcher/runningappbar.cpp
index c8f45d5..3ac66f2 100644
--- a/core/launcher/runningappbar.cpp
+++ b/core/launcher/runningappbar.cpp
@@ -3,159 +3,181 @@
**
** This file is part of the Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************
*/
#define QTOPIA_INTERNAL_PRELOADACCESS
// For "kill"
#include <sys/types.h>
#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <qdir.h>
#include <qtimer.h>
#include <qpopupmenu.h>
#include <qmessagebox.h>
#include <qpainter.h>
-#include "qprocess.h"
+#include <opie/oprocess.h>
#include <qpe/qpeapplication.h>
#include <qpe/applnk.h>
#include <qpe/qcopenvelope_qws.h>
#include <qpe/global.h>
#include <qwindowsystem_qws.h>
#include "runningappbar.h"
RunningAppBar::RunningAppBar(QWidget* parent)
: QFrame(parent), m_AppLnkSet(0L), m_SelectedAppIndex(-1)
{
setBackgroundMode( PaletteBackground );
m_AppLnkSet = new AppLnkSet( QPEApplication::qpeDir() + "apps" );
#ifdef QWS
+
connect(qwsServer, SIGNAL(newChannel(const QString&)), this, SLOT(newQcopChannel(const QString&)));
connect(qwsServer, SIGNAL(removedChannel(const QString&)), this, SLOT(removedQcopChannel(const QString&)));
#endif
+
QCopChannel* channel = new QCopChannel( "QPE/System", this );
connect( channel, SIGNAL(received(const QCString&, const QByteArray&)),
this, SLOT(received(const QCString&, const QByteArray&)) );
spacing = AppLnk::smallIconSize()+3;
}
-RunningAppBar::~RunningAppBar() {
-}
+RunningAppBar::~RunningAppBar()
+{}
-void RunningAppBar::newQcopChannel(const QString& channelName) {
+void RunningAppBar::newQcopChannel(const QString& channelName)
+{
QString prefix("QPE/Application/");
if (channelName.startsWith(prefix)) {
QString appName = channelName.mid(prefix.length());
// qDebug("App %s just connected!", appName.latin1());
const AppLnk* newGuy = m_AppLnkSet->findExec(appName);
if (newGuy && !newGuy->isPreloaded()) {
addTask(*newGuy);
}
}
}
-void RunningAppBar::removedQcopChannel(const QString& channelName) {
+void RunningAppBar::removedQcopChannel(const QString& channelName)
+{
QString prefix("QPE/Application/");
if (channelName.startsWith(prefix)) {
QString appName = channelName.mid(prefix.length());
qDebug("App %s just disconnected!", appName.latin1());
const AppLnk* newGuy = m_AppLnkSet->findExec(appName);
if (newGuy) {
removeTask(*newGuy);
}
}
}
-void RunningAppBar::received(const QCString& msg, const QByteArray& data) {
+void RunningAppBar::received(const QCString& msg, const QByteArray& data)
+{
// Since fast apps appear and disappear without disconnecting from their
// channel we need to watch for the showing/hiding events and update according.
QDataStream stream( data, IO_ReadOnly );
if ( msg == "fastAppShowing(QString)") {
QString appName;
stream >> appName;
addTask(*m_AppLnkSet->findExec(appName));
- } else if ( msg == "fastAppHiding(QString)") {
+ }
+ else if ( msg == "fastAppHiding(QString)") {
QString appName;
stream >> appName;
removeTask(*m_AppLnkSet->findExec(appName));
}
}
-void RunningAppBar::addTask(const AppLnk& appLnk) {
+void RunningAppBar::addTask(const AppLnk& appLnk)
+{
// qDebug("Added %s to app list.", appLnk.name().latin1());
AppLnk* newApp = new AppLnk(appLnk);
newApp->setExec(appLnk.exec());
m_AppList.prepend(newApp);
update();
}
-void RunningAppBar::removeTask(const AppLnk& appLnk) {
+void RunningAppBar::removeTask(const AppLnk& appLnk)
+{
unsigned int i = 0;
for (; i < m_AppList.count() ; i++) {
AppLnk* target = m_AppList.at(i);
if (target->exec() == appLnk.exec()) {
qDebug("Removing %s from app list.", appLnk.name().latin1());
m_AppList.remove();
+
+ // grab the keyboard back, in case the app crashed/forgot
+
+ QPEApplication *qpeapp = (QPEApplication *) qApp;
+
+ if ( appLnk.exec() == qpeapp-> keyboardGrabbedBy ( )) {
+ qDebug ( "grabbing keyboard back from %s", appLnk.name().latin1());
+ qpeapp-> grabKeyboard ( );
+ }
+
delete target;
}
}
update();
}
void RunningAppBar::mousePressEvent(QMouseEvent *e)
{
// Find out if the user is clicking on an app icon...
// If so, snag the index so when we repaint we show it
// as highlighed.
m_SelectedAppIndex = 0;
int x=0;
QListIterator<AppLnk> it( m_AppList );
for ( ; it.current(); ++it,++m_SelectedAppIndex,x+=spacing ) {
if ( x + spacing <= width() ) {
if ( e->x() >= x && e->x() < x+spacing ) {
if ( m_SelectedAppIndex < (int)m_AppList.count() ) {
repaint(FALSE);
return;
}
}
- } else {
+ }
+ else {
break;
}
}
m_SelectedAppIndex = -1;
repaint( FALSE );
}
void RunningAppBar::mouseReleaseEvent(QMouseEvent *e)
{
if (e->button() == QMouseEvent::RightButton) {
return;
}
if ( m_SelectedAppIndex >= 0 ) {
QString channel = QString("QPE/Application/") + m_AppList.at(m_SelectedAppIndex)->exec();
if (QCopChannel::isRegistered(channel.latin1())) {
// qDebug("%s is running!", m_AppList.at(m_SelectedAppIndex)->exec().latin1());
QCopEnvelope e(channel.latin1(), "raise()");
// This class will delete itself after hearing from the app or the timer expiring
(void)new AppMonitor(*m_AppList.at(m_SelectedAppIndex), *this);
}
else {
removeTask(*m_AppList.at(m_SelectedAppIndex));
}
@@ -176,116 +198,125 @@ void RunningAppBar::paintEvent( QPaintEvent * )
QListIterator<AppLnk> it(m_AppList);
for (; it.current(); i++, ++it ) {
if ( x + spacing <= width() ) {
curApp = it.current();
if ( (int)i == m_SelectedAppIndex )
p.fillRect( x, y, spacing, curApp->pixmap().height()+1, colorGroup().highlight() );
else
// p.eraseRect( x, y, spacing, curApp->pixmap().height()+1 );
p.drawPixmap( x, y, curApp->pixmap() );
x += spacing;
}
}
}
QSize RunningAppBar::sizeHint() const
{
return QSize( frameWidth(), AppLnk::smallIconSize()+frameWidth()*2+3 );
}
const int AppMonitor::RAISE_TIMEOUT_MS = 500;
AppMonitor::AppMonitor(const AppLnk& app, RunningAppBar& owner)
- : QObject(0L), m_Owner(owner), m_App(app), m_PsProc(0L), m_AppKillerBox(0L) {
+ : QObject(0L), m_Owner(owner), m_App(app), m_AppKillerBox(0L)
+{
QCopChannel* channel = new QCopChannel( "QPE/System", this );
connect( channel, SIGNAL(received(const QCString&, const QByteArray&)),
this, SLOT(received(const QCString&, const QByteArray&)) );
connect(&m_Timer, SIGNAL(timeout()), this, SLOT(timerExpired()));
m_Timer.start(RAISE_TIMEOUT_MS, TRUE);
}
-AppMonitor::~AppMonitor() {
+AppMonitor::~AppMonitor()
+{
if (m_AppKillerBox) {
delete m_AppKillerBox;
m_AppKillerBox = 0L;
}
}
-void AppMonitor::received(const QCString& msg, const QByteArray& data) {
+void AppMonitor::received(const QCString& msg, const QByteArray& data)
+{
QDataStream stream( data, IO_ReadOnly );
if (msg == "appRaised(QString)") {
QString appName;
stream >> appName;
if (appName == m_App.exec()) {
// qDebug("Got a heartbeat from %s", appName.latin1());
m_Timer.stop();
// Check to make sure we're not waiting on user input...
if (m_AppKillerBox) {
// If we are, we kill the dialog box, and the code waiting on the result
// will clean us up (basically the user said "no").
delete m_AppKillerBox;
m_AppKillerBox = 0L;
}
else {
// Ok, we're not waiting on user input, so clean us up now.
// WE DELETE OURSELVES HERE! Don't do anything else!!
delete this;
}
}
}
}
-void AppMonitor::timerExpired() {
- // qDebug("Checking in on %s", m_App.name().latin1());
+void AppMonitor::timerExpired()
+{
// We store this incase the application responds while we're
// waiting for user input so we know not to delete ourselves. This
// will be cleaned up in the destructor.
m_AppKillerBox = new QMessageBox(tr("Application Problem"),
tr("<p>%1 is not responding.</p>").arg(m_App.name()) +
tr("<p>Would you like to force the application to exit?</p>"),
QMessageBox::Warning, QMessageBox::Yes,
QMessageBox::No | QMessageBox::Default,
QMessageBox::NoButton);
if (m_AppKillerBox->exec() == QMessageBox::Yes) {
- // qDebug("Killing the app!!! Bwuhahahaha!");
- m_PsProc = new QProcess(QString("ps"));
- m_PsProc->addArgument("h");
- m_PsProc->addArgument("-C");
- m_PsProc->addArgument(m_App.exec());
- m_PsProc->addArgument("-o");
- m_PsProc->addArgument("pid");
- connect(m_PsProc, SIGNAL(processExited()), this, SLOT(psProcFinished()));
- m_PsProc->start();
- }
- else {
- // qDebug("Wuss..");
- // WE DELETE OURSELVES HERE! Don't do anything else!!
- delete this;
- }
-}
+ QDir proc ( "/proc/", "[0-9]*", QDir::Name | QDir::Reversed, QDir::Dirs );
+ QStringList allprocs = proc. entryList ( );
-void AppMonitor::psProcFinished() {
- QString pid = m_PsProc->readLineStdout();
- delete m_PsProc;
- m_PsProc = 0L;
+ pid_t mypid = ::getpid ( );
- // qDebug("Killing app %s", pid.latin1());
- if (pid.isEmpty()) {
- // Hmm.. did the application bail before we got there?
- qDebug("AppMonitor: Tried to kill application %s but ps couldn't find it.", m_App.exec().latin1());
- }
- else {
- int success = kill(pid.toUInt(), SIGKILL);
- if (success == 0) {
+ for ( QStringList::Iterator it = allprocs. begin ( ); it != allprocs. end ( ); ++it ) {
+ if (( *it ). toInt ( ) <= mypid ) // only interested in children
+ continue;
+
+ QCString s = QString ( "/proc/" + *it + "/stat" ). local8Bit ( );
+
+ FILE *fp = ::fopen ( s. data ( ), "r" );
+ if ( fp ) {
+ pid_t pid, ppid;
+ char *execptr, *exec = 0;
+
+ if ( ::fscanf ( fp, "%d %as %*c %d ", &pid, &execptr, &ppid ) == 3 ) {
+ exec = execptr [0] ? execptr + 1 : execptr;
+ if ( exec [0] )
+ exec [::strlen ( exec ) - 1] = 0;
+
+ if (( ppid == ::getpid ( )) && ( m_App. exec ( ). local8Bit ( ) == exec )) {
+ bool success = false;
+
+ qDebug ( "trying to kill pid=%d, exec=%s, ppid=%d", pid, exec, ppid );
+
+
+ success |= ( ::kill ( pid, SIGTERM ) == 0 );
+ ::usleep ( 1000 * 500 );
+ success |= ( ::kill ( pid, SIGKILL ) == 0 );
+
+ if ( success )
m_Owner.removeTask(m_App);
+
+ ::free ( execptr );
+ break;
+ }
+ ::free ( execptr );
+ }
+ ::fclose ( fp );
}
- else {
- qWarning("Could not kill task %s", m_App.exec().latin1());
}
}
-
- // WE DELETE OURSELVES HERE! Don't do anything else!!
delete this;
}
+
diff --git a/core/launcher/runningappbar.h b/core/launcher/runningappbar.h
index 880bb69..eb5880e 100644
--- a/core/launcher/runningappbar.h
+++ b/core/launcher/runningappbar.h
@@ -10,79 +10,79 @@
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#ifndef RUNNING_APP_BAR_H
#define RUNNING_APP_BAR_H
#include <qframe.h>
#include <qlist.h>
#include <qtimer.h>
class AppLnk;
class AppLnkSet;
class QCString;
class QProcess;
class QMessageBox;
-class RunningAppBar : public QFrame {
+class RunningAppBar : public QFrame
+{
Q_OBJECT
public:
RunningAppBar(QWidget* parent);
~RunningAppBar();
void addTask(const AppLnk& appLnk);
void removeTask(const AppLnk& appLnk);
void paintEvent(QPaintEvent* event);
void mousePressEvent(QMouseEvent*);
void mouseReleaseEvent(QMouseEvent*);
QSize sizeHint() const;
private slots:
void newQcopChannel(const QString& channel);
void removedQcopChannel(const QString& channel);
void received(const QCString& msg, const QByteArray& data);
private:
AppLnkSet* m_AppLnkSet;
QList<AppLnk> m_AppList;
int m_SelectedAppIndex;
int spacing;
};
/**
* Internal class that checks back in on the process when timerExpired is called
* to make sure the process is on top. If it's not it displays a dialog
* box asking permission to kill it.
*/
-class AppMonitor : public QObject {
+class AppMonitor : public QObject
+{
Q_OBJECT
public:
static const int RAISE_TIMEOUT_MS;
AppMonitor(const AppLnk& app, RunningAppBar& owner);
~AppMonitor();
private slots:
void timerExpired();
void received(const QCString& msg, const QByteArray& data);
- void psProcFinished();
private:
RunningAppBar& m_Owner;
const AppLnk& m_App;
QTimer m_Timer;
- QProcess* m_PsProc;
QMessageBox* m_AppKillerBox;
};
#endif