summaryrefslogtreecommitdiff
Side-by-side diff
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--libopie2/examples/opiecore/onotifydemo/onotifydemo.cpp43
-rw-r--r--libopie2/opiecore/ofilenotify.cpp160
-rw-r--r--libopie2/opiecore/ofilenotify.h36
3 files changed, 176 insertions, 63 deletions
diff --git a/libopie2/examples/opiecore/onotifydemo/onotifydemo.cpp b/libopie2/examples/opiecore/onotifydemo/onotifydemo.cpp
index a8a5717..74a8158 100644
--- a/libopie2/examples/opiecore/onotifydemo/onotifydemo.cpp
+++ b/libopie2/examples/opiecore/onotifydemo/onotifydemo.cpp
@@ -10,2 +10,3 @@ using namespace Opie::Ui;
/* QT */
+#include <qcheckbox.h>
#include <qvbox.h>
@@ -14,4 +15,4 @@ using namespace Opie::Ui;
#include <qvbuttongroup.h>
+#include <qmessagebox.h>
#include <qpushbutton.h>
-#include <qcheckbox.h>
@@ -29,3 +30,6 @@ public:
l->addColumn( "Notification Path" );
- l->addColumn( "Trigger" );
+ l->addColumn( "Trigger Type" );
+ l->addColumn( "Trigger Mask" );
+ l->setColumnAlignment( 1, AlignCenter );
+ l->setColumnAlignment( 2, AlignCenter );
@@ -47,2 +51,3 @@ public:
g2->insert( c7, Attrib );
+ connect( g2, SIGNAL( pressed(int) ), this, SLOT( modifierClicked(int) ) );
@@ -70,2 +75,8 @@ public:
{
+ if ( !m )
+ {
+ QMessageBox::warning( 0, "Add Trigger", "<p>Can't add trigger without at least one selected trigger type</p>", "&Sorry", 0 );
+ return;
+ }
+
QString filename = OFileDialog::getOpenFileName( OFileSelector::ExtendedAll );
@@ -74,7 +85,12 @@ public:
odebug << "Filename = " << filename << oendl;
- new OListViewItem( l, filename, "Modify" );
-
+ int fntype = m;
+ if ( multi ) fntype |=(int) Multi;
- OFileNotifier::singleShot( filename, this, SLOT( trigger() ) );
+ QString modifier = QString().sprintf( " = 0x%08x", fntype );
+ new OListViewItem( l, filename, multi ? "MULTI" : "SINGLE", modifier );
+ if ( !multi )
+ OFileNotification::singleShot( filename, this, SLOT( trigger() ), (OFileNotificationType) fntype );
+ else
+ OFileNotification::singleShot( filename, this, SLOT( trigger() ), (OFileNotificationType) fntype );
}
@@ -87,3 +103,3 @@ public:
public slots:
-
+ void modifierClicked( int modifier ) { (int)m ^= modifier; };
void addSingle() { addTrigger(); };
@@ -93,4 +109,13 @@ public slots:
{
- QString filename( "bla" );
- odebug << "Filename = " << filename << oendl;
+ QListViewItem* item = l->selectedItem();
+ if ( !item )
+ {
+ QMessageBox::warning( 0, "Del Trigger", "<p>No trigger selected!</p>", "&Sorry", 0 );
+ return;
+ }
+ else
+ {
+ QString filename( item->text( 0 ) );
+ odebug << "Filename = " << filename << oendl;
+ }
}
@@ -106,3 +131,3 @@ private:
QButtonGroup* g2;
- int m;
+ OFileNotificationType m;
};
diff --git a/libopie2/opiecore/ofilenotify.cpp b/libopie2/opiecore/ofilenotify.cpp
index 2242570..5e9f97b 100644
--- a/libopie2/opiecore/ofilenotify.cpp
+++ b/libopie2/opiecore/ofilenotify.cpp
@@ -34,2 +34,3 @@ using namespace Opie::Core;
/* QT */
+#include <qobject.h>
#include <qsignal.h>
@@ -41,5 +42,14 @@ using namespace Opie::Core;
#include <sys/stat.h>
-#include <fcntl.h>
+#ifndef _GNU_SOURCE
+ #define _GNU_SOURCE
+ #include <fcntl.h>
+ #undef _GNU_SOURCE
+#else
+ #include <fcntl.h>
+#endif
#include <string.h>
#include <errno.h>
+#include <unistd.h>
+
+static QIntDict<OFileNotification> notification_list;
@@ -48,34 +58,27 @@ namespace Core {
-class OFileNotification
+OFileNotification::OFileNotification( QObject* parent, const char* name )
+ :QObject( parent, name ), _active( false )
{
- public:
- OFileNotification( QObject* receiver, const char* member, OFileNotificationType type ) : _type( type )
- {
- _signal.connect( receiver, member );
- }
- ~OFileNotification()
- {
- }
-
- void activate()
- {
- _signal.activate();
- }
+ qDebug( "OFileNotification::OFileNotification()" );
+}
- OFileNotificationType type()
- {
- return _type;
- }
- private:
- OFileNotificationType _type;
- QSignal _signal;
-};
+OFileNotification::~OFileNotification()
+{
+ qDebug( "OFileNotification::~OFileNotification()" );
+}
-static QIntDict<OFileNotification> notification_list;
+bool OFileNotification::isActive() const
+{
+ return _active;
+}
-void OFileNotifier::singleShot( const QString& path, QObject* receiver, const char* member, OFileNotificationType type )
+int OFileNotification::start( const QString& path, bool sshot, OFileNotificationType type )
{
+ _path = QString::null;
+ _fd = 0;
+ if ( _active ) stop();
+
int fd = ::open( (const char*) path, O_RDONLY );
@@ -85,3 +88,3 @@ void OFileNotifier::singleShot( const QString& path, QObject* receiver, const ch
{
- OFileNotifier::registerSignalHandler();
+ OFileNotification::registerSignalHandler();
}
@@ -90,5 +93,6 @@ void OFileNotifier::singleShot( const QString& path, QObject* receiver, const ch
{
- qWarning( "OFileNotifier::singleShot(): Can't subscribe to '%s': %s.", (const char*) path, strerror( errno ) );
- return;
+ qWarning( "OFileNotification::start(): Can't subscribe to '%s': %s.", (const char*) path, strerror( errno ) );
+ return -1;
}
+ if ( !sshot ) (int) type |= (int) Multi;
result = ::fcntl( fd, F_NOTIFY, type );
@@ -96,7 +100,11 @@ void OFileNotifier::singleShot( const QString& path, QObject* receiver, const ch
{
- qWarning( "OFileNotifier::singleShot(): Can't subscribe to '%s': %s.", (const char*) path, strerror( errno ) );
- return;
+ qWarning( "OFileNotification::start(): Can't subscribe to '%s': %s.", (const char*) path, strerror( errno ) );
+ return -1;
}
- qDebug( "OFileNotifier::singleShot(): Subscribed for changes to %s (fd = %d)", (const char*) path, fd );
- notification_list.insert( fd, new OFileNotification( receiver, member, type ) );
+ qDebug( "OFileNotification::start(): Subscribed for changes to %s (fd = %d, mask = 0x%0x)", (const char*) path, fd, type );
+ notification_list.insert( fd, this );
+ _type = type;
+ _path = path;
+ _fd = fd;
+ return fd;
}
@@ -104,3 +112,4 @@ void OFileNotifier::singleShot( const QString& path, QObject* receiver, const ch
{
- qWarning( "OFileNotifier::singleShot(): Error with path '%s': %s.", (const char*) path, strerror( errno ) );
+ qWarning( "OFileNotification::start(): Error with path '%s': %s.", (const char*) path, strerror( errno ) );
+ return -1;
}
@@ -109,5 +118,56 @@ void OFileNotifier::singleShot( const QString& path, QObject* receiver, const ch
-void OFileNotifier::__signalHandler( int sig, siginfo_t *si, void *data )
+void OFileNotification::stop()
{
- qWarning( "OFileNotifier::__signalHandler(): reached." );
+ if ( !_active ) return;
+
+ int result = ::fcntl( _fd, F_NOTIFY, 0 );
+ if ( result == -1 )
+ {
+ qWarning( "OFileNotification::stop(): Can't remove subscription to '%s': %s.", (const char*) _path, strerror( errno ) );
+ }
+ else
+ {
+ ::close( _fd );
+ _type = Single;
+ _path = QString::null;
+ _fd = 0;
+ _active = false;
+ }
+}
+
+
+OFileNotificationType OFileNotification::type() const
+{
+ return _type;
+}
+
+
+QString OFileNotification::path() const
+{
+ return _path;
+}
+
+int OFileNotification::fileno() const
+{
+ return _fd;
+}
+
+void OFileNotification::activate()
+{
+ emit triggered();
+ _signal.activate();
+}
+
+
+void OFileNotification::singleShot( const QString& path, QObject* receiver, const char* member, OFileNotificationType type )
+{
+ OFileNotification* ofn = new OFileNotification();
+ ofn->_signal.connect( receiver, member );
+ ofn->start( path, true, type );
+}
+
+
+void OFileNotification::__signalHandler( int sig, siginfo_t *si, void *data )
+{
+ qWarning( "OFileNotification::__signalHandler(): reached." );
int fd = si->si_fd;
@@ -120,3 +180,3 @@ void OFileNotifier::__signalHandler( int sig, siginfo_t *si, void *data )
{
- qDebug( "OFileNotifier::__signalHandler(): '%d' was singleShot. Removing from list.", fd );
+ qDebug( "OFileNotification::__signalHandler(): '%d' was singleShot. Removing from list.", fd );
notification_list.remove( fd );
@@ -124,3 +184,3 @@ void OFileNotifier::__signalHandler( int sig, siginfo_t *si, void *data )
{
- OFileNotifier::unregisterSignalHandler();
+ OFileNotification::unregisterSignalHandler();
}
@@ -131,3 +191,3 @@ void OFileNotifier::__signalHandler( int sig, siginfo_t *si, void *data )
{
- qWarning( "OFileNotifier::__signalHandler(): D'oh! Called without fd in notification_list. Race condition?" );
+ qWarning( "OFileNotification::__signalHandler(): D'oh! Called without fd in notification_list. Race condition?" );
}
@@ -136,10 +196,14 @@ void OFileNotifier::__signalHandler( int sig, siginfo_t *si, void *data )
-void OFileNotifier::registerSignalHandler()
+bool OFileNotification::registerSignalHandler()
{
struct sigaction act;
- act.sa_sigaction = OFileNotifier::__signalHandler;
+ act.sa_sigaction = OFileNotification::__signalHandler;
::sigemptyset( &act.sa_mask );
act.sa_flags = SA_SIGINFO;
- ::sigaction( SIGRTMIN, &act, NULL );
- qDebug( "OFileNotifier::registerSignalHandler(): done" );
+ if ( ::sigaction( SIGRTMIN, &act, NULL ) == -1 )
+ {
+ qWarning( "OFileNotification::registerSignalHandler(): couldn't register signal handler: %s", strerror( errno ) );
+ return false;
+ }
+ qDebug( "OFileNotification::registerSignalHandler(): done" );
}
@@ -147,3 +211,3 @@ void OFileNotifier::registerSignalHandler()
-void OFileNotifier::unregisterSignalHandler()
+void OFileNotification::unregisterSignalHandler()
{
@@ -151,5 +215,9 @@ void OFileNotifier::unregisterSignalHandler()
act.sa_sigaction = ( void (*)(int, siginfo_t*, void*) ) SIG_DFL;
- sigemptyset( &act.sa_mask );
- ::sigaction( SIGRTMIN, &act, NULL );
- qDebug( "OFileNotifier::unregisterSignalHandler(): done" );
+ ::sigemptyset( &act.sa_mask );
+ if ( ::sigaction( SIGRTMIN, &act, NULL ) == -1 )
+ if ( ::sigaction( SIGRTMIN, &act, NULL ) == -1 )
+ {
+ qWarning( "OFileNotification::unregisterSignalHandler(): couldn't deregister signal handler: %s", strerror( errno ) );
+ }
+ qDebug( "OFileNotification::unregisterSignalHandler(): done" );
}
diff --git a/libopie2/opiecore/ofilenotify.h b/libopie2/opiecore/ofilenotify.h
index 638eb6c..a14842a 100644
--- a/libopie2/opiecore/ofilenotify.h
+++ b/libopie2/opiecore/ofilenotify.h
@@ -32,4 +32,5 @@ _;:,     .>    :=|. This program is free software; you can
/* QT */
-#include <qstring.h>
#include <qobject.h>
+#include <qsignal.h>
+#include <qstring.h>
@@ -51,10 +52,26 @@ enum OFileNotificationType { Single = 0x0000000,
-class OFileNotifier : public QObject
+class OFileNotification : public QObject
{
+ Q_OBJECT
+
public:
- static void singleShot( const QString& path,
- QObject *receiver, const char *member,
- OFileNotificationType type = Modify );
+ OFileNotification( QObject* parent = 0, const char* name = 0 );
+ ~OFileNotification();
+
+ static void singleShot( const QString& path, QObject* receiver, const char* member, OFileNotificationType type = Modify );
+
+ int start( const QString& path, bool sshot = false, OFileNotificationType type = Modify );
+ void stop();
+
+ OFileNotificationType type() const;
+ QString path() const;
+ int fileno() const;
+ bool isActive() const;
+
+ signals:
+ void triggered();
+
protected:
- static void registerSignalHandler();
+ void activate();
+ static bool registerSignalHandler();
static void unregisterSignalHandler();
@@ -63,4 +80,7 @@ class OFileNotifier : public QObject
private:
- OFileNotifier();
- ~OFileNotifier();
+ QString _path;
+ OFileNotificationType _type;
+ QSignal _signal;
+ int _fd;
+ bool _active;
};