The IDMMenuItem class represents menu-specific items in a direct manipulation. Menus create objects of the IDMMenuItem class when a direct manipulation begins in a source menu.
This class provides virtual functions that implement direct manipulation
support for menus. You can derive item classes to support the direct manipulation of
menu drag items if the default Open Class Library support does not meet your requirements.
Note:
You can construct and destruct objects of this class.
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public:
virtual ~IDMMenuItem()
Dismisses the menu if it has not been dismissed, because one of the following occurs:
Windows | OS/2 | AIX |
Ignored | Yes | Ignored |
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public:
IDMMenuItem(const IDMItem::Handle& dragItem)
This constructor is not used. Its definition is necessary to satisfy the requirements of the IDMItemProviderFor template class.
Windows | OS/2 | AIX |
Ignored | Yes | Ignored |
public:
IDMMenuItem(IDMSourceOperation* sourceOperation)
Use this constructor to construct IDMMenuItem objects for the source of a direct manipulation. It is called by the member function, IDMMenuItem::generateSourceItems.
This constructor determines which menu item is directly under the pointing device when the direct manipulation begins and selects the menu item as a visual cue. It also disables the dismissing of the menu until the direct manipulation is complete.
Windows | OS/2 | AIX |
Ignored | Yes | Ignored |
Use these members to handle cleanup of the menu after the direct manipulation has completed.
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public:
virtual bool sourceEnd(IDMSourceEndEvent& event)
Processes a source end event for the menu drag item. This function dismisses the menu that is the source of the direct manipulation.
Windows | OS/2 | AIX |
Ignored | Yes | Ignored |
Use these members to set the supported direct manipulation operations for this class.
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public:
virtual unsigned long supportedOperationsFor( const IString& selectedRMFs ) const
Returns IDMItem::linkable as the only operation the menu drag item supports.
Windows | OS/2 | AIX |
Ignored | Yes | Ignored |
Use these members to access and manipulate source items involved in a direct manipulation.
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public:
static bool generateSourceItems( IDMSourceOperation* sourceOperation )
Generates a menu drag item that represents a menu item object. The menu item object is selected in the source menu.
This function is called by the menu's implementation of IDMItemProvider::provideSourceItems in the template class IDMItemProviderFor.
The default implementation of this function in this class creates IDMMenuItem objects and adds them to the source operation. If you use the IDMItemProviderFor template class and you have defined a derived item class, you must implement IDMMenuItem::generateSourceItems in your derived menu drag item class. In your implementation, create an object of your derived menu item class and call IDMOperation::addItem to add the objects to the source operation.
The default drag operation for menu drag items is
IDMItem::linkable.
Note:
Windows | OS/2 | AIX |
Ignored | Yes | Ignored |
virtual ~IDMItem()
virtual IDMItem& addRMF(const IString& rmf)
virtual IDMItem& addRMF( const IString& rm, const IString& rf )
virtual IDMItem& addType(const char* aType)
static void appendRMF(IString& rmfs, const IString& rmf)
virtual unsigned long attributes() const
virtual bool canBeCopied() const
virtual bool canBeLinked() const
virtual bool canBeMoved() const
static IString compressedRMFs(const IString& rmfs)
virtual IString containerName() const
virtual IString contents() const
virtual unsigned long contentsSize() const
static void deleteRMF(IString& rmfs, const IString& rmf)
DropIndicator dropStatus() const
virtual IDMItem& enableCopy(bool copyable = true)
virtual IDMItem& enableLink(bool linkable = true)
virtual IDMItem& enableMove(bool moveable = true)
bool hasImage() const
virtual bool hasType(const char* aType) const
IDMItem(const IDMItem& dragItem)
IDMItem( IDMSourceOperation* sourceOperation, const IString& types, const unsigned long supportedOperations = unknown, const unsigned long attributes = none )
IDMItem(const Handle& item)
IDMItem( IDMTargetOperation* targetOperation, _DRAGITEM* dragItem )
virtual IDMImage& image()
virtual ISize imageOffset() const
virtual bool isContainer() const
virtual bool isGroup() const
virtual bool isOnRemovableMedia() const
virtual bool isOpen() const
virtual bool isReference() const
bool isTargetTheSource() const
static IString matchingRMFs( const IString& rmfs1, const IString& rmfs2, bool firstOnly = false )
virtual IString nativeRF() const
virtual IString nativeRM() const
virtual IString nativeRMF() const
virtual void* object() const
IDMItem& operator =(const IDMItem& item)
Handle operator =(const Handle& item)
virtual IDMItem& removeRMF( const IString& rm, const IString& rf )
virtual IDMItem& removeRMF(const IString& rmf)
virtual IDMItem& removeType(const char* aType)
unsigned renderer() const
virtual bool requiresPreparation() const
static IString rfForThisProcess()
static IString rfFrom(const IString& rmf)
static IString rmfFrom( const IString& rm, const IString& rf )
static IString rmFrom(const IString& rmf)
virtual IString rmfs() const
static IString rmfsFrom(const IString& rmfs)
static IString rmfsFrom( const IString& rm, const IString& rf )
IString selectedRMF() const
virtual IDMItem& setContainer(bool container = true)
IDMItem& setContainerName(const char* containerName)
virtual bool setContents(const IString& data)
IDMItem& setDropStatus(DropIndicator status)
virtual IDMItem& setGroup(bool group = true)
virtual IDMItem& setImage(IDMImage& image)
virtual IDMItem& setNativeRMF(const IString& rmf)
virtual IDMItem& setNativeRMF( const IString& rm, const IString& rf )
virtual IDMItem& setObject(void* pointerToObject)
virtual IDMItem& setOnRemovableMedia( bool onRemovableMedia = true )
virtual IDMItem& setOpen(bool open = true)
virtual IDMItem& setReference(bool reference = true)
IDMItem& setRenderer(unsigned position)
virtual IDMItem& setRequiresPreparation( bool requiresPrep = true )
virtual IDMItem& setRMFs(const IString& rmfs)
IDMItem& setSelectedRMF(const IString& rmf)
IDMItem& setSourceName(const char* sourceName)
IDMItem& setSourceWindowHandle(IWindowHandle window)
IDMItem& setTargetName(const char* targetName)
virtual IDMItem& setTrueType(const char* aType)
virtual IDMItem& setTypes(const char* types)
virtual bool sourceDiscard(IDMSourceDiscardEvent& event)
static Handle sourceItemFor(const Handle& targetItem)
virtual IString sourceName() const
virtual IDMSourceOperation* sourceOperation()
virtual bool sourcePrepare(IDMSourcePrepareEvent& event)
virtual bool sourcePrint(IDMSourcePrintEvent& event)
virtual bool sourceRender(IDMSourceRenderEvent& event)
virtual IWindow* sourceWindow() const
virtual IWindowHandle sourceWindowHandle() const
virtual unsigned long supportedOperations() const
virtual bool supportsRMF( const IString& rm, const IString& rf )
virtual bool supportsRMF(const IString& rmf)
virtual bool targetDrop(IDMTargetDropEvent& event)
virtual bool targetEnd(IDMTargetEndEvent& event)
virtual IString targetName() const
virtual IDMTargetOperation* targetOperation()
unsigned long tokenForWPSObject() const
virtual IString trueType() const
virtual IString types() const
void addRef()
unsigned long count() const
void removeRef()
static const unsigned long container
static const unsigned long copyable
static const unsigned long group
static const unsigned long linkable
static const unsigned long moveable
static const unsigned long none
static const unsigned long open
static const unsigned long prepare
static const unsigned long reference
static const unsigned long removableMedia
static const unsigned long unknown
virtual ~IMRefCounted()
IMRefCounted()
IMRefCounted(const IMRefCounted&)
IMRefCounted& operator =(const IMRefCounted&)
IString generateSourceName()
IString strContents