Just a small example on usage of an Event Filter...

I needed that for debugging but it looks useful as an example

2 files changed, 13 insertions, 0 deletions

diff --git a/libopie/big-screen/example/osplitter_mail.cpp b/libopie/big-screen/example/osplitter_mail.cpp
index 91442c8..4eaf3a9 100644
--- a/libopie/big-screen/example/osplitter_mail.cpp
+++ b/libopie/big-screen/example/osplitter_mail.cpp
@@ -1,70 +1,82 @@
 
 #include <qstring.h>
 #include <qlabel.h>
 #include <qheader.h>
 #include <qlayout.h>
 
 #include <qpe/qpeapplication.h>
 #include <opie/oapplicationfactory.h>
 
 #include "../osplitter.h"
 
 #include "osplitter_mail.h"
 
 
 OPIE_EXPORT_APP( OApplicationFactory<ListViews> )
 
 class Folder {
     int dummy;
 };
 
 // -----------------------------------------------------------------
 
 ListViews::ListViews( QWidget* p, const char* name, WFlags fl )
     : QWidget( p, name, fl ) {
+    qApp->installEventFilter( this );
     m_lstFolders.setAutoDelete( true );
     QHBoxLayout *lay = new QHBoxLayout(this);
 
     m_splitter = new OSplitter( Horizontal, this, "SPlitter 1" );
     lay->addWidget( m_splitter );
     connect(m_splitter, SIGNAL(sizeChange(bool, const QSize& ) ),
             this, SLOT(slotSizeChange(bool, const QSize& ) ) );
 
     m_overview = new QListView( m_splitter );
     m_overview->header()->setClickEnabled( FALSE );
     m_overview->addColumn( tr("Folder") );
     m_overview->setMaximumWidth( 200 );
     m_splitter->addWidget( m_overview, "zoom", tr("Folder Overview") );
     m_splitter->setSizeChange( 300 );
 
     /* OSplitter starts with the small mode */
     m_messages = 0;
     m_message = m_attach  = 0;
 
     splitti = new OSplitter( Vertical, m_splitter, "Splitti2" );
     splitti->setSizeChange( 300 );
     splitti->setSizePolicy( QSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding ) );
 
     QLabel *lbl = new QLabel(splitti);
     lbl->setTextFormat ( Qt::RichText );
     lbl->setText("<br><br><b>Test Test  Test</b><br><br><p>Fooooo hjhh</p>");
 
     m_messages = new QListView( splitti );
     m_messages->addColumn(" Messages ");
 
     folder1 = new QListView( splitti );
     folder1->addColumn( "Messages 2 " );
 
     splitti->addWidget(m_messages, "mail", tr("Mails") );
     splitti->addWidget(folder1, "folder", tr("Folder") );
     splitti->addWidget( lbl, "logo", tr("Label") );
     m_message = lbl;
 
     m_splitter->addWidget( splitti );
 
 }
 
 
 ListViews::~ListViews() {
 
 }
+
+
+bool ListViews::eventFilter( QObject* obj, QEvent* ev ) {
+    if (!obj->isWidgetType() )
+        return false;
+    if ( ev->type() == QEvent::MouseButtonRelease ) {
+        qWarning(" name %s, class %s", obj->name(), obj->className() );
+    }
+
+    return false;
+}
diff --git a/libopie/big-screen/example/osplitter_mail.h b/libopie/big-screen/example/osplitter_mail.h
index d76f264..b7e7efe 100644
--- a/libopie/big-screen/example/osplitter_mail.h
+++ b/libopie/big-screen/example/osplitter_mail.h
@@ -1,48 +1,49 @@
 /*
  * You may use, modify and distribute this code without any limitation
  */
 
 /*
  * Header file for a more complete email client like
  * layout
  */
 
 #ifndef OPIE_SPLITTER_MAIL_EXAMPLE_H
 #define OPIE_SPLITTER_MAIL_EXAMPLE_H
 
 #include <qwidget.h>
 #include <qlist.h>
 #include <qlistview.h>
 
 class Folder;
 class QLabel;
 
 class OSplitter;
 class ListViews : public QWidget {
     Q_OBJECT
 public:
     static QString appName() { return QString::fromLatin1("osplitter-mail"); }
     ListViews( QWidget* parent, const char * name, WFlags fl );
     ~ListViews();
 
+    bool eventFilter( QObject* , QEvent* );
 private:
     void initFolders();
     void initFolder( Folder *folder, unsigned int &count );
 
     QListView *m_messages, *m_overview;
     QLabel *m_message, *m_attach;
     QList<QListView> m_folders; // used in tab mode
     QList<Folder> m_lstFolders;
     bool m_mode : 1; // bitfield
     OSplitter *m_splitter;
     OSplitter *splitti;
     QListView *folder1;
 #if 0
 //private slots:
 //    void slotFolderChanged( QListViewItem* );
 //    void slotMessageChanged();
 //    void slotSizeChange( bool, const QSize& );
 #endif
 };
 
 #endif