check if there is a listview item at all.

c cast -> static_cast

1 files changed, 12 insertions, 3 deletions

diff --git a/core/pim/todo/templatedialogimpl.cpp b/core/pim/todo/templatedialogimpl.cpp
index c2306ac..63d8107 100644
--- a/core/pim/todo/templatedialogimpl.cpp
+++ b/core/pim/todo/templatedialogimpl.cpp
@@ -1,118 +1,127 @@
 #include <qlineedit.h>
 
 #include "mainwindow.h"
 #include "todoeditor.h"
 #include "todotemplatemanager.h"
 #include "templatedialogimpl.h"
 
 
 using namespace Todo;
 
 /* TRANSLATOR Todo::TemplateDialogImpl */
 
 namespace {
     class TemplateListItem : public QListViewItem {
     public:
         TemplateListItem( QListView*,
                           const QString& name,
                           const OTodo& );
         ~TemplateListItem();
 
         OTodo event()const;
         QString text()const;
         void setText(const QString& str );
         void setEvent( const OTodo& );
     private:
         QString m_name;
         OTodo m_ev;
     };
 
     /* implementation */
     TemplateListItem::TemplateListItem( QListView* view,
                                         const QString& text,
                                         const OTodo& ev )
         : QListViewItem( view ), m_name( text ), m_ev( ev )
     {
         QListViewItem::setText(0, m_name );
     }
     TemplateListItem::~TemplateListItem() {}
     OTodo TemplateListItem::event() const {
         return m_ev;
     }
     QString TemplateListItem::text()const {
         return m_name;
     }
     void TemplateListItem::setText( const QString& str ) {
         QListViewItem::setText(0, str );
         m_name = str;
     }
     void TemplateListItem::setEvent( const OTodo& ev) {
         m_ev = ev;
     }
 }
 
 TemplateDialogImpl::TemplateDialogImpl( MainWindow* win,
                                         TemplateManager* man )
     : TemplateDialog( win ), m_win( win), m_man( man )
 {
     /* fill the listview */
     /* not the fastest way.... */
     QStringList list = man->templates();
     for (QStringList::Iterator it = list.begin();
          it != list.end(); ++it  ) {
         new TemplateListItem( listView(), (*it), man->templateEvent( (*it) ) );
     }
     listView()->addColumn( QWidget::tr("Name") );
 
     connect( listView(), SIGNAL(clicked(QListViewItem*) ),
              this, SLOT(slotClicked(QListViewItem*) ) );
 }
 TemplateDialogImpl::~TemplateDialogImpl() {
 
 }
 void TemplateDialogImpl::slotAdd() {
     QString str = QWidget::tr("New Template %1").arg( listView()->childCount() );
     OTodo ev;
     m_man->addEvent(str, ev);
     new TemplateListItem( listView(), str, ev );
 }
 void TemplateDialogImpl::slotRemove() {
-    TemplateListItem* item = (TemplateListItem*) listView()->currentItem();
+    if (!listView()->currentItem() )
+        return;
+
+    TemplateListItem* item = static_cast<TemplateListItem*>(  listView()->currentItem() );
     listView()->takeItem( item );
 
     m_man->removeEvent( item->text() );
 
     delete item;
 }
 void TemplateDialogImpl::slotEdit() {
-    TemplateListItem* item = (TemplateListItem*)listView()->currentItem();
+    if ( !listView()->currentItem() )
+        return;
+
+    TemplateListItem* item = static_cast<TemplateListItem*>( listView()->currentItem() );
     OTodo ev = m_win->currentEditor()->edit( m_win, item->event() );
     if ( m_win->currentEditor()->accepted() ) {
         item->setEvent( ev );
         m_man->removeEvent( item->text() );
         m_man->addEvent( item->text(), ev );
     }
 }
 /*
  * we need to update
  * the text
  */
 
 void TemplateDialogImpl::slotReturn() {
-    TemplateListItem* tbl = (TemplateListItem*)listView()->currentItem();
+    if ( !listView()->currentItem() )
+        return;
+
+    TemplateListItem* tbl = static_cast<TemplateListItem*>( listView()->currentItem() );
 
     if (tbl->text() != edit()->text() ) {
         m_man->removeEvent( tbl->text() );
         tbl->setText( edit()->text() );
         m_man->addEvent( tbl->text(), tbl->event() );
     }
 }
 /* update the lineedit when changing */
 void TemplateDialogImpl::slotClicked( QListViewItem* item) {
     if (!item)
         return;
 
     TemplateListItem* tbl = static_cast<TemplateListItem*>(item);
     edit()->setText( tbl->text() );
 }