Base class for wxPropertyGrid cell renderers.
*/
-class WXDLLIMPEXP_PROPGRID wxPGCellRenderer
+class WXDLLIMPEXP_PROPGRID wxPGCellRenderer : public wxObjectRefData
{
public:
- wxPGCellRenderer( unsigned int refCount = 1 )
- : m_refCount(refCount) { }
+ wxPGCellRenderer()
+ : wxObjectRefData() { }
virtual ~wxPGCellRenderer() { }
// Render flags
const wxRect& rect,
const wxPGCell& cell,
int flags ) const;
-
- void IncRef()
- {
- m_refCount++;
- }
-
- void DecRef()
- {
- m_refCount--;
- if ( !m_refCount )
- delete this;
- }
-protected:
-
-private:
- unsigned int m_refCount;
};
/** Indicates the bit useable by derived properties.
*/
-wxPG_PROP_CLASS_SPECIFIC_2 = 0x00100000
+wxPG_PROP_CLASS_SPECIFIC_2 = 0x00100000,
+
+/** Indicates that the property is being deleted and should be ignored.
+*/
+wxPG_PROP_BEING_DELETED = 0x00200000
};
*/
// Redefine attribute macros to use cached strings
+#undef wxPG_ATTR_DEFAULT_VALUE
+#define wxPG_ATTR_DEFAULT_VALUE wxPGGlobalVars->m_strDefaultValue
#undef wxPG_ATTR_MIN
#define wxPG_ATTR_MIN wxPGGlobalVars->m_strMin
#undef wxPG_ATTR_MAX
typedef void* wxPGChoicesId;
-class WXDLLIMPEXP_PROPGRID wxPGChoicesData
+class WXDLLIMPEXP_PROPGRID wxPGChoicesData : public wxObjectRefData
{
friend class wxPGChoices;
public:
return m_items[i];
}
- void DecRef()
- {
- m_refCount--;
- wxASSERT( m_refCount >= 0 );
- if ( m_refCount == 0 )
- delete this;
- }
-
private:
wxVector<wxPGChoiceEntry> m_items;
- // So that multiple properties can use the same set
- int m_refCount;
-
virtual ~wxPGChoicesData();
};
Helper class for managing choices of wxPropertyGrid properties.
Each entry can have label, value, bitmap, text colour, and background
colour.
-
+
wxPGChoices uses reference counting, similar to other wxWidgets classes.
This means that assignment operator and copy constructor only copy the
reference and not the actual data. Use Copy() member function to create a
if ( a.m_data != wxPGChoicesEmptyData )
{
m_data = a.m_data;
- m_data->m_refCount++;
+ m_data->IncRef();
}
}
{
wxASSERT(data);
m_data = data;
- data->m_refCount++;
+ data->IncRef();
}
/** Destructor. */
// Returns data, increases refcount.
wxPGChoicesData* GetData()
{
- wxASSERT( m_data->m_refCount != 0xFFFFFFF );
- m_data->m_refCount++;
+ wxASSERT( m_data->GetRefCount() != -1 );
+ m_data->IncRef();
return m_data;
}
friend class wxPropertyGridPageState;
friend class wxPropertyGridPopulator;
friend class wxStringProperty; // Proper "<composed>" support requires this
-#ifndef SWIG
+
DECLARE_ABSTRACT_CLASS(wxPGProperty)
-#endif
public:
typedef wxUint32 FlagType;
- /** Basic constructor.
+ /**
+ Default constructor.
*/
wxPGProperty();
- /** Constructor.
- Non-abstract property classes should have constructor of this style:
-
- @code
-
- // If T is a class, then it should be a constant reference
- // (e.g. const T& ) instead.
- MyProperty( const wxString& label, const wxString& name, T value )
- : wxPGProperty()
- {
- // Generally recommended way to set the initial value
- // (as it should work in pretty much 100% of cases).
- wxVariant variant;
- variant << value;
- SetValue(variant);
-
- // If has private child properties then create them here. Also
- // set flag that indicates presence of private children. E.g.:
- //
- // AddPrivateChild( new wxStringProperty("Subprop 1",
- // wxPG_LABEL,
- // value.GetSubProp1() ) );
- }
+ /**
+ Constructor.
- @endcode
+ All non-abstract property classes should have a constructor with
+ the same first two arguments as this one.
*/
wxPGProperty( const wxString& label, const wxString& name );
wxEvent& event );
/**
- Called after value of a child property has been altered.
+ Called after value of a child property has been altered. Must return
+ new value of the whole property (after any alterations warrented by
+ child's new value).
Note that this function is usually called at the time that value of
- this property, or given child property, is still pending for change.
+ this property, or given child property, is still pending for change,
+ and as such, result of GetValue() or m_value should not be relied
+ on.
Sample pseudo-code implementation:
@code
- void MyProperty::ChildChanged( wxVariant& thisValue,
- int childIndex,
- wxVariant& childValue ) const
+ wxVariant MyProperty::ChildChanged( wxVariant& thisValue,
+ int childIndex,
+ wxVariant& childValue ) const
{
// Acquire reference to actual type of data stored in variant
// (TFromVariant only exists if wxPropertyGrid's wxVariant-macros
break;
...
}
+
+ // Return altered data
+ return data;
}
@endcode
@param thisValue
- Value of this property, that should be altered.
+ Value of this property. Changed value should be returned (in
+ previous versions of wxPropertyGrid it was only necessary to
+ write value back to this argument).
@param childIndex
- Index of child changed (you can use Item(childIndex) to get).
+ Index of child changed (you can use Item(childIndex) to get
+ child property).
@param childValue
- Value of the child property.
+ (Pending) value of the child property.
+
+ @return
+ Modified value of the whole property.
*/
- virtual void ChildChanged( wxVariant& thisValue,
- int childIndex,
- wxVariant& childValue ) const;
+ virtual wxVariant ChildChanged( wxVariant& thisValue,
+ int childIndex,
+ wxVariant& childValue ) const;
/** Returns pointer to an instance of used editor.
*/
return DoGetValue();
}
-#ifndef SWIG
/** Returns reference to the internal stored value. GetValue is preferred
way to get the actual value, since GetValueRef ignores DoGetValue,
which may override stored value.
{
return m_value;
}
-#endif
+
+ // Helper function (for wxPython bindings and such) for settings protected
+ // m_value.
+ wxVariant GetValuePlain() const
+ {
+ return m_value;
+ }
/** Returns text representation of property's value.
/**
Returns wxPGCell of given column.
+
+ @remarks const version of this member function returns 'default'
+ wxPGCell object if the property itself didn't hold
+ cell data.
*/
const wxPGCell& GetCell( unsigned int column ) const;
- wxPGCell& GetCell( unsigned int column );
+ /**
+ Returns wxPGCell of given column, creating one if necessary.
+ */
+ wxPGCell& GetCell( unsigned int column )
+ {
+ return GetOrCreateCell(column);
+ }
+
+ /**
+ Returns wxPGCell of given column, creating one if necessary.
+ */
+ wxPGCell& GetOrCreateCell( unsigned int column );
/** Return number of displayed common values for this property.
*/
void SetTextColour( const wxColour& colour,
bool recursively = false );
+ /** Set default value of a property. Synonymous to
+
+ @code
+ SetAttribute("DefaultValue", value);
+ @endcode
+ */
+ void SetDefaultValue( wxVariant& value );
+
#ifndef SWIG
/** Sets editor for a property.
void SetLabel( const wxString& label ) { m_label = label; }
- inline void SetName( const wxString& newName );
+ void SetName( const wxString& newName );
/**
Changes what sort of parent this property is for its children.
SetValue(val);
}
+ // Helper function (for wxPython bindings and such) for settings protected
+ // m_value.
+ void SetValuePlain( wxVariant value )
+ {
+ m_value = value;
+ }
+
#if wxUSE_VALIDATORS
/** Sets wxValidator for a property*/
void SetValidator( const wxValidator& validator )
wxPropertyGridPageState* GetParentState() const { return m_parentState; }
#endif
+#ifndef SWIG
wxPGProperty* GetItemAtY( unsigned int y,
unsigned int lh,
unsigned int* nextItemY ) const;
+#endif
+
+ /** Returns property at given virtual y coordinate.
+ */
+ wxPGProperty* GetItemAtY( unsigned int y ) const;
/** Returns (direct) child property with given name (or NULL if not found).
*/
wxPGProperty* GetPropertyByName( const wxString& name ) const;
-#ifdef SWIG
- %extend {
- DocStr(GetClientData,
- "Returns the client data object for a property", "");
- PyObject* GetClientData() {
- wxPyClientData* data = (wxPyClientData*)self->GetClientObject();
- if (data) {
- Py_INCREF(data->m_obj);
- return data->m_obj;
- } else {
- Py_INCREF(Py_None);
- return Py_None;
- }
- }
-
- DocStr(SetClientData,
- "Associate the given client data.", "");
- void SetClientData(PyObject* clientData) {
- wxPyClientData* data = new wxPyClientData(clientData);
- self->SetClientObject(data);
- }
- }
- %pythoncode {
- GetClientObject = GetClientData
- SetClientObject = SetClientData
- }
-#endif
-
#ifndef SWIG
// Returns various display-related information for given column
/** Deletes all sub-properties. */
void Empty();
+ bool HasCell( unsigned int column ) const
+ {
+ if ( m_cells.size() > column )
+ return true;
+ return false;
+ }
+
void InitAfterAdded( wxPropertyGridPageState* pageState,
wxPropertyGrid* propgrid );
projects / wxWidgets.git / blobdiff