summaryrefslogtreecommitdiff
path: root/core/launcher/runningappbar.cpp
authorsandman <sandman>2002-12-16 23:43:25 (UTC)
committer sandman <sandman>2002-12-16 23:43:25 (UTC)
commit79b94019014efe998b126219827f3050395beea7 (patch) (side-by-side diff)
tree916c16dd21cc64fa98c0eed7042223d69efc27c4 /core/launcher/runningappbar.cpp
parent3f28b7e0edb6115699b19f9db37b55f775b91dc7 (diff)
downloadopie-79b94019014efe998b126219827f3050395beea7.zip
opie-79b94019014efe998b126219827f3050395beea7.tar.gz
opie-79b94019014efe998b126219827f3050395beea7.tar.bz2
Finally the app-killer in the launcher works. TT solution was calling
ps with some special options, that busybox ps didn't provide. I'm now scanning /proc/<pid>/stat for the right process.
Diffstat (limited to 'core/launcher/runningappbar.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r--core/launcher/runningappbar.cpp441
1 files changed, 236 insertions, 205 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
@@ -24,12 +24,15 @@
// 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>
@@ -38,254 +41,282 @@
#include "runningappbar.h"
RunningAppBar::RunningAppBar(QWidget* parent)
- : QFrame(parent), m_AppLnkSet(0L), m_SelectedAppIndex(-1)
+ : QFrame(parent), m_AppLnkSet(0L), m_SelectedAppIndex( -1)
{
- setBackgroundMode( PaletteBackground );
+ setBackgroundMode( PaletteBackground );
- m_AppLnkSet = new AppLnkSet( QPEApplication::qpeDir() + "apps" );
+ 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&)));
+
+ 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;
-}
+ QCopChannel* channel = new QCopChannel( "QPE/System", this );
+ connect( channel, SIGNAL(received(const QCString&, const QByteArray&)),
+ this, SLOT(received(const QCString&, const QByteArray&)) );
-RunningAppBar::~RunningAppBar() {
+ spacing = AppLnk::smallIconSize() + 3;
}
-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);
- }
- }
+RunningAppBar::~RunningAppBar()
+{}
+
+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) {
- 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::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) {
- // 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)") {
- QString appName;
- stream >> appName;
- removeTask(*m_AppLnkSet->findExec(appName));
- }
+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)") {
+ QString appName;
+ stream >> appName;
+ removeTask(*m_AppLnkSet->findExec(appName));
+ }
}
-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::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) {
- 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();
- delete target;
- }
- }
- update();
+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;
+ // 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 {
+ break;
+ }
}
- }
- } else {
- break;
- }
- }
- m_SelectedAppIndex = -1;
- repaint( FALSE );
+ 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));
- }
-
- m_SelectedAppIndex = -1;
- update();
- }
+ 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));
+ }
+
+ m_SelectedAppIndex = -1;
+ update();
+ }
}
void RunningAppBar::paintEvent( QPaintEvent * )
{
- QPainter p( this );
- AppLnk *curApp;
- int x = 0;
- int y = (height() - AppLnk::smallIconSize()) / 2;
- int i = 0;
-
- //p.fillRect( 0, 0, width(), height(), colorGroup().background() );
-
- 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;
- }
- }
+ QPainter p( this );
+ AppLnk *curApp;
+ int x = 0;
+ int y = (height() - AppLnk::smallIconSize()) / 2;
+ int i = 0;
+
+ //p.fillRect( 0, 0, width(), height(), colorGroup().background() );
+
+ 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 );
+ 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) {
- 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);
+ : 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() {
- if (m_AppKillerBox) {
- delete m_AppKillerBox;
- m_AppKillerBox = 0L;
- }
+AppMonitor::~AppMonitor()
+{
+ if (m_AppKillerBox) {
+ delete m_AppKillerBox;
+ m_AppKillerBox = 0L;
+ }
}
-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::received(const QCString& msg, const QByteArray& data)
+{
+ QDataStream stream( data, IO_ReadOnly );
-void AppMonitor::timerExpired() {
- // qDebug("Checking in on %s", m_App.name().latin1());
- // 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;
- }
+ 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::psProcFinished() {
- QString pid = m_PsProc->readLineStdout();
- delete m_PsProc;
- m_PsProc = 0L;
-
- // 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) {
- m_Owner.removeTask(m_App);
- }
- else {
- qWarning("Could not kill task %s", m_App.exec().latin1());
- }
- }
-
- // WE DELETE OURSELVES HERE! Don't do anything else!!
- delete this;
+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 ) {
+ QDir proc ( "/proc/", "[0-9]*", QDir::Name | QDir::Reversed, QDir::Dirs );
+ QStringList allprocs = proc. entryList ( );
+
+ pid_t mypid = ::getpid ( );
+
+ 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 );
+ }
+ }
+ }
+ delete this;
}
+