[Bug 260882] Sometimes the textfield of the composer vanishes. (A central widget is lost or not created.)

[Andreas Holzammer]

https://bugs.kde.org/show_bug.cgi?id=260882


Andreas Holzammer <andreas.holzammer at kdab.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED




--- Comment #4 from Andreas Holzammer <andreas holzammer kdab com>  2011-01-18 16:22:50 ---
commit 63c9088c79a87ccb8a6a24e71851002aea345f11
branch master
Author: Andreas Holzammer <andreas.holzammer at kdab.com>
Date:   Tue Jan 18 16:19:52 2011 +0100

    fix that widgets get lost
    It seems that widgets get a setVisiable(false) from somewhere in qt,
    to fix this issue we revert its hiding. This should be fixed in qt.
    But i didnt found where it is called.

    BUG:260882

diff --git a/mobile/lib/declarativewidgetbase.cpp
b/mobile/lib/declarativewidgetbase.cpp
index 6ba5a75..65f25b4 100644
--- a/mobile/lib/declarativewidgetbase.cpp
+++ b/mobile/lib/declarativewidgetbase.cpp
@@ -24,6 +24,19 @@
 #include <QtGui/QGraphicsScene>
 #include <QtGui/QWidget>

+#ifdef _WIN32_WCE
+bool DeclarativeWidgetBaseHelper::eventFilter(QObject *obj, QEvent *event)
+{
+    if (event->type() == QEvent::Hide) {
+        QWidget *wid = static_cast<QWidget *>(obj);
+        wid->show();
+        qDebug("Ate hide event");
+    }
+   
+    return QObject::eventFilter(obj, event);
+}
+#endif
+
 DeclarativeWidgetBaseHelper::DeclarativeWidgetBaseHelper( QWidget * widget,
QGraphicsItem * parent, const RegisterFunction & registerFunc )
     : QGraphicsProxyWidget( parent ),
       m_registerFunc( registerFunc ),
@@ -37,9 +50,17 @@ DeclarativeWidgetBaseHelper::DeclarativeWidgetBaseHelper(
QWidget * widget, QGra
     StyleSheetLoader::applyStyle( m_widget );
     setWidget( m_widget );
     setFocusPolicy( Qt::StrongFocus );
+#ifdef _WIN32_WCE
+    m_widget->installEventFilter(this);
+#endif
 }

-DeclarativeWidgetBaseHelper::~DeclarativeWidgetBaseHelper() {}
+DeclarativeWidgetBaseHelper::~DeclarativeWidgetBaseHelper()
+{
+#ifdef _WIN32_WCE
+    m_widget->removeEventFilter(this);
+#endif
+}

 QVariant DeclarativeWidgetBaseHelper::itemChange( GraphicsItemChange change,
const QVariant & value )
 {
diff --git a/mobile/lib/declarativewidgetbase.h
b/mobile/lib/declarativewidgetbase.h
index fee4a58..b849c12 100644
--- a/mobile/lib/declarativewidgetbase.h
+++ b/mobile/lib/declarativewidgetbase.h
@@ -43,6 +43,9 @@ protected:

 protected:
     /* reimp */ QVariant itemChange( GraphicsItemChange change, const QVariant
& value );
+#ifdef _WIN32_WCE
+    bool eventFilter(QObject *obj, QEvent *event);
+#endif

 private:
     const RegisterFunction m_registerFunc;

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