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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
@@ -23,14 +23,17 @@
// 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>
@@ -44,22 +47,25 @@ RunningAppBar::RunningAppBar(QWidget* parent)
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());
@@ -69,9 +75,10 @@ void RunningAppBar::newQcopChannel(const QString& channelName) {
}
}
}
-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());
@@ -81,38 +88,52 @@ void RunningAppBar::removedQcopChannel(const QString& channelName) {
}
}
}
-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();
@@ -133,9 +154,10 @@ void RunningAppBar::mousePressEvent(QMouseEvent *e)
repaint(FALSE);
return;
}
}
- } else {
+ }
+ else {
break;
}
}
m_SelectedAppIndex = -1;
@@ -196,24 +218,27 @@ QSize RunningAppBar::sizeHint() const
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;
@@ -236,10 +261,10 @@ void AppMonitor::received(const QCString& msg, const QByteArray& data) {
}
}
}
-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"),
@@ -248,44 +273,50 @@ void AppMonitor::timerExpired() {
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
@@ -30,9 +30,10 @@ class AppLnkSet;
class QCString;
class QProcess;
class QMessageBox;
-class RunningAppBar : public QFrame {
+class RunningAppBar : public QFrame
+{
Q_OBJECT
public:
RunningAppBar(QWidget* parent);
@@ -61,9 +62,10 @@ class RunningAppBar : public QFrame {
* 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;
@@ -73,15 +75,13 @@ class AppMonitor : public QObject {
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