Reduce number of event filters.

widgets/itemview.cpp

@@ -67,36 +67,26 @@ void ItemView::setup()
     }
 }
 
-EscapeKeyEventHandler::EscapeKeyEventHandler(QAbstractItemView *v, QAction *a)
+ListViewEventHandler::ListViewEventHandler(QAbstractItemView *v, QAction *a)
     : QObject(v)
     , view(v)
     , act(a)
 {
 }
 
-bool EscapeKeyEventHandler::eventFilter(QObject *obj, QEvent *event)
-{
-    if (view->hasFocus() && QEvent::KeyRelease==event->type() && static_cast<QKeyEvent *>(event)->key()==Qt::Key_Escape) {
-        if (act->isEnabled()) {
-            act->trigger();
-        }
-        return true;
-    }
-    return QObject::eventFilter(obj, event);
-}
-
-MouseEventHandler::MouseEventHandler(QAbstractItemView *v)
-    : QObject(v)
-    , view(v)
-{
-}
-
 // HACK time. For some reason, IconView is not always re-drawn when mouse leaves the view.
 // We sometimes get an item that is left in the mouse-over state. So, work-around this by
 // keeping track of when mouse is over listview.
 static QWidget *mouseWidget=0;
-bool MouseEventHandler::eventFilter(QObject *obj, QEvent *event)
+
+bool ListViewEventHandler::eventFilter(QObject *obj, QEvent *event)
 {
+    if (view->hasFocus() && QEvent::KeyRelease==event->type() && static_cast<QKeyEvent *>(event)->key()==Qt::Key_Escape) {
+        if (act->isEnabled()) {
+            act->trigger();
+        }
+        return true;
+    }
     if (QEvent::Enter==event->type()) {
         mouseWidget=view;
         view->viewport()->update();
@@ -510,8 +500,7 @@ ItemView::ItemView(QWidget *p)
     Icon::init(backButton);
     treeView->setPageDefaults();
     iconGridSize=listGridSize=listView->gridSize();
-    listView->installEventFilter(new EscapeKeyEventHandler(listView, backAction));
-    listView->installEventFilter(new MouseEventHandler(listView));
+    listView->installEventFilter(new ListViewEventHandler(listView, backAction));
 }
 
 ItemView::~ItemView()

widgets/itemview.h

@@ -36,12 +36,12 @@ class QAction;
 class QTimer;
 class GroupedView;
 
-class EscapeKeyEventHandler : public QObject
+class ListViewEventHandler : public QObject
 {
     Q_OBJECT
 
 public:
-    EscapeKeyEventHandler(QAbstractItemView *v, QAction *a);
+    ListViewEventHandler(QAbstractItemView *v, QAction *a);
 
 protected:
     bool eventFilter(QObject *obj, QEvent *event);
@@ -51,20 +51,6 @@ private:
     QAction *act;
 };
 
-class MouseEventHandler : public QObject
-{
-    Q_OBJECT
-
-public:
-    MouseEventHandler(QAbstractItemView *v);
-
-protected:
-    bool eventFilter(QObject *obj, QEvent *event);
-
-private:
-    QAbstractItemView *view;
-};
-
 #ifndef ENABLE_KDE_SUPPORT
 class Spinner : public QWidget
 {