Resolves: tdf#94848 crash on focus with un-cleared but dead mpSubEdit

was... fixes memleak : clear self referring VclPtr in MetricBox

Clears self referring VclPtr called mpField in MetricBox (inherited from FormatterBase class)
via dispose() method of MetricBox.

Reviewed-on: https://gerrit.libreoffice.org/18674Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
(cherry picked from commit 36c11cb7)

Change-Id: I375e03e814de3c6e47c36b1fc6f625b04521a5e2

memleak:clear self referring VclPtr in *Field and *Box classes

Clears self referring VclPtr called mpField via FormatterBase in :

1. MetricField, PatternField, NumericField, CurrencyField, DateField,
   TimeField
2. PatternBox, NumericBox, CurrencyBox, DateBox, TimeBox

via respective dispose() methods.

Change-Id: I7f92fefd49756cabe7db7d240781260a2d4cd298
Reviewed-on: https://gerrit.libreoffice.org/18701Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
(cherry picked from commit a44e03b5)
Reviewed-on: https://gerrit.libreoffice.org/19397Reviewed-by: Dennis Francis <dennisfrancis.in@gmail.com>
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
(cherry picked from commit 1995ad7d)

include/vcl/field.hxx

@@ -489,6 +489,7 @@ public:
     virtual bool            PreNotify( NotifyEvent& rNEvt ) SAL_OVERRIDE;
     virtual bool            Notify( NotifyEvent& rNEvt ) SAL_OVERRIDE;
     virtual void            Modify() SAL_OVERRIDE;
+    virtual void            dispose() SAL_OVERRIDE;
 };
 
 
@@ -518,6 +519,7 @@ public:
     virtual void            First() SAL_OVERRIDE;
     virtual void            Last() SAL_OVERRIDE;
     virtual bool            set_property(const OString &rKey, const OString &rValue) SAL_OVERRIDE;
+    virtual void            dispose() SAL_OVERRIDE;
 };
 
 
@@ -588,6 +590,7 @@ public:
     { return ConvertDoubleValue( static_cast<double>(nValue), nDecDigits, eInUnit, eOutUnit ); }
 
     virtual bool            set_property(const OString &rKey, const OString &rValue) SAL_OVERRIDE;
+    virtual void            dispose() SAL_OVERRIDE;
 };
 
 
@@ -610,6 +613,7 @@ public:
     virtual void            Down() SAL_OVERRIDE;
     virtual void            First() SAL_OVERRIDE;
     virtual void            Last() SAL_OVERRIDE;
+    virtual void            dispose() SAL_OVERRIDE;
 };
 
 
@@ -644,6 +648,7 @@ public:
     Date                    GetFirst() const                    { return maFirst; }
     void                    SetLast( const Date& rNewLast )     { maLast = rNewLast; }
     Date                    GetLast() const                     { return maLast; }
+    virtual void            dispose() SAL_OVERRIDE;
 };
 
 
@@ -679,6 +684,7 @@ public:
     tools::Time             GetLast() const                     { return maLast; }
 
     void                    SetExtFormat( ExtTimeFieldFormat eFormat );
+    virtual void            dispose() SAL_OVERRIDE;
 };
 
 
@@ -697,6 +703,7 @@ public:
     virtual void            Modify() SAL_OVERRIDE;
 
     virtual void            ReformatAll() SAL_OVERRIDE;
+    virtual void            dispose() SAL_OVERRIDE;
 };
 
 
@@ -720,6 +727,7 @@ public:
     virtual void            ReformatAll() SAL_OVERRIDE;
 
     void                    InsertValue( sal_Int64 nValue, sal_Int32  nPos = COMBOBOX_APPEND );
+    virtual void            dispose() SAL_OVERRIDE;
 };
 
 
@@ -752,6 +760,8 @@ public:
     // Needed, because GetValue() with nPos hide these functions
     virtual sal_Int64       GetValue( FieldUnit eOutUnit ) const SAL_OVERRIDE;
     virtual sal_Int64       GetValue() const SAL_OVERRIDE;
+
+    virtual void            dispose() SAL_OVERRIDE;
 };
 
 
@@ -773,6 +783,7 @@ public:
     virtual void            ReformatAll() SAL_OVERRIDE;
 
     virtual sal_Int64       GetValue() const SAL_OVERRIDE;
+    virtual void            dispose() SAL_OVERRIDE;
 };
 
 
@@ -791,6 +802,7 @@ public:
     virtual void            Modify() SAL_OVERRIDE;
 
     virtual void            ReformatAll() SAL_OVERRIDE;
+    virtual void            dispose() SAL_OVERRIDE;
 };
 
 
@@ -810,6 +822,7 @@ public:
     virtual void            Modify() SAL_OVERRIDE;
 
     virtual void            ReformatAll() SAL_OVERRIDE;
+    virtual void            dispose() SAL_OVERRIDE;
 };
 
 #endif // INCLUDED_VCL_FIELD_HXX

vcl/source/control/field.cxx

@@ -812,6 +812,12 @@ NumericField::NumericField( vcl::Window* pParent, const ResId& rResId ) :
         Show();
 }
 
+void NumericField::dispose()
+{
+    NumericFormatter::SetField( NULL );
+    SpinField::dispose();
+}
+
 bool NumericField::set_property(const OString &rKey, const OString &rValue)
 {
     if (rKey == "digits")
@@ -961,6 +967,12 @@ NumericBox::NumericBox( vcl::Window* pParent, WinBits nWinStyle ) :
         Show();
 }
 
+void NumericBox::dispose()
+{
+    NumericFormatter::SetField( NULL );
+    ComboBox::dispose();
+}
+
 Size NumericBox::CalcMinimumSize() const
 {
     Size aRet(calcMinimumSize(*this, *this));
@@ -1636,6 +1648,12 @@ MetricField::MetricField( vcl::Window* pParent, const ResId& rResId ) :
         Show();
 }
 
+void MetricField::dispose()
+{
+    MetricFormatter::SetField( NULL );
+    SpinField::dispose();
+}
+
 Size MetricField::CalcMinimumSize() const
 {
     return calcMinimumSize(*this, *this);
@@ -1800,6 +1818,12 @@ MetricBox::MetricBox( vcl::Window* pParent, WinBits nWinStyle ) :
     Reformat();
 }
 
+void MetricBox::dispose()
+{
+    MetricFormatter::SetField(NULL);
+    ComboBox::dispose();
+}
+
 Size MetricBox::CalcMinimumSize() const
 {
     Size aRet(calcMinimumSize(*this, *this));
@@ -2040,6 +2064,12 @@ CurrencyField::CurrencyField( vcl::Window* pParent, WinBits nWinStyle ) :
     Reformat();
 }
 
+void CurrencyField::dispose()
+{
+    CurrencyFormatter::SetField( NULL );
+    SpinField::dispose();
+}
+
 bool CurrencyField::PreNotify( NotifyEvent& rNEvt )
 {
     if ( (rNEvt.GetType() == MouseNotifyEvent::KEYINPUT) && !rNEvt.GetKeyEvent()->GetKeyCode().IsMod2() )
@@ -2118,6 +2148,12 @@ CurrencyBox::CurrencyBox( vcl::Window* pParent, WinBits nWinStyle ) :
     Reformat();
 }
 
+void CurrencyBox::dispose()
+{
+    CurrencyFormatter::SetField( NULL );
+    ComboBox::dispose();
+}
+
 bool CurrencyBox::PreNotify( NotifyEvent& rNEvt )
 {
     if ( (rNEvt.GetType() == MouseNotifyEvent::KEYINPUT) && !rNEvt.GetKeyEvent()->GetKeyCode().IsMod2() )

vcl/source/control/field2.cxx

@@ -819,6 +819,12 @@ PatternField::PatternField( vcl::Window* pParent, WinBits nWinStyle ) :
     Reformat();
 }
 
+void PatternField::dispose()
+{
+    PatternFormatter::SetField( NULL );
+    SpinField::dispose();
+}
+
 bool PatternField::PreNotify( NotifyEvent& rNEvt )
 {
     if ( (rNEvt.GetType() == MouseNotifyEvent::KEYINPUT) && !rNEvt.GetKeyEvent()->GetKeyCode().IsMod2() )
@@ -865,6 +871,12 @@ PatternBox::PatternBox( vcl::Window* pParent, WinBits nWinStyle ) :
     Reformat();
 }
 
+void PatternBox::dispose()
+{
+    PatternFormatter::SetField( NULL );
+    ComboBox::dispose();
+}
+
 bool PatternBox::PreNotify( NotifyEvent& rNEvt )
 {
     if ( (rNEvt.GetType() == MouseNotifyEvent::KEYINPUT) && !rNEvt.GetKeyEvent()->GetKeyCode().IsMod2() )
@@ -1729,6 +1741,12 @@ DateField::DateField( vcl::Window* pParent, WinBits nWinStyle ) :
     ResetLastDate();
 }
 
+void DateField::dispose()
+{
+    DateFormatter::SetField( NULL );
+    SpinField::dispose();
+}
+
 bool DateField::PreNotify( NotifyEvent& rNEvt )
 {
     if ( (rNEvt.GetType() == MouseNotifyEvent::KEYINPUT) && IsStrictFormat() &&
@@ -1828,6 +1846,12 @@ DateBox::DateBox( vcl::Window* pParent, WinBits nWinStyle ) :
     Reformat();
 }
 
+void DateBox::dispose()
+{
+    DateFormatter::SetField( NULL );
+    ComboBox::dispose();
+}
+
 bool DateBox::PreNotify( NotifyEvent& rNEvt )
 {
     if ( (rNEvt.GetType() == MouseNotifyEvent::KEYINPUT) && IsStrictFormat() &&
@@ -2515,6 +2539,12 @@ TimeField::TimeField( vcl::Window* pParent, WinBits nWinStyle ) :
     Reformat();
 }
 
+void TimeField::dispose()
+{
+    TimeFormatter::SetField( NULL );
+    SpinField::dispose();
+}
+
 bool TimeField::PreNotify( NotifyEvent& rNEvt )
 {
     if ( (rNEvt.GetType() == MouseNotifyEvent::KEYINPUT) && !rNEvt.GetKeyEvent()->GetKeyCode().IsMod2() )
@@ -2652,6 +2682,12 @@ TimeBox::TimeBox( vcl::Window* pParent, WinBits nWinStyle ) :
     Reformat();
 }
 
+void TimeBox::dispose()
+{
+    TimeFormatter::SetField( NULL );
+    ComboBox::dispose();
+}
+
 bool TimeBox::PreNotify( NotifyEvent& rNEvt )
 {
     if ( (rNEvt.GetType() == MouseNotifyEvent::KEYINPUT) && !rNEvt.GetKeyEvent()->GetKeyCode().IsMod2() )