VkResizer(3x)							 VkResizer(3x)

NAME    [Toc]    [Back]

     VkResizer - Attachment class for resizing and moving widgets

INHERITS FROM    [Toc]    [Back]

     VkComponent : VkCallbackObject

HEADER FILE    [Toc]    [Back]

     #include <Vk/VkResizer.h>

PUBLIC PROTOCOL	SUMMARY
   Constructor/Destructor
	   VkResizer(Boolean autoAdjust	= False,
		     Boolean liveResize	= False);
	   virtual ~VkResizer(void);


   Configuration    [Toc]    [Back]
	   void	setIncrements(int resizeWidth,
			      int resizeHeight,
			      int moveX, int moveY);
	   void	attach(Widget w);
	   void	detach(void);
	   void	adjustGeometry(void);


   Access Functions    [Toc]    [Back]
	   Boolean shown(void);

CLASS DESCRIPTION    [Toc]    [Back]

     The VkResizer class is an attachment rather than a	component.  You	use
     the attach	method to attach it to an existing widget, and then call the
     show method to make it visible.  Once visible, VkResizer will
     automatically allow the user to resize and	move the widget	using
     VkResizer's controls.  VkResizer is useful	to the developer who wants to
     give the user geometry control over widgets using a consistent
     presentation.

DERIVING SUBCLASSES    [Toc]    [Back]

     It	is not expected	that developers	would subclass VkResizer.

FUNCTION DESCRIPTIONS    [Toc]    [Back]

   VkResizer()
	   VkResizer(Boolean autoAdjust	= False,
		     Boolean liveResize	= False);
	   virtual void	~VkResizer(void);





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VkResizer(3x)							 VkResizer(3x)



	  The VkResizer	constructor creates an object capable of attaching to
	  a widget and displaying geometry controls for	the user.  The first
	  parameter controls whether VkResizer tracks outside geometry changes
	  to its attached widget, for adjustment of its	geometry controls.
	  The second parameter controls	whether	the widget itself or a
	  rectangle representing the widget area is displayed during geometry
	  changes.  Setting the	second parameter to True causes	intermediate
	  geometry changes in the attached widget, which may affect
	  performance.

   setIncrements()
	   void	setIncrements(int resizeWidth,
			      int resizeHeight,
			      int moveX, int moveY);


	  VkResizer's geometry manipulations are configurable.	The first two
	  parameters specify the resize	increments in the horizontal and
	  vertical dimension, respectively.  The last two parameters specify
	  the move increments in the horizontal	and vertical dimension,
	  respectively.	 Setting an increment to zero prohibits	resizing or
	  moving in that dimension.

   shown()
	  Boolean shown(void);


	  This function	indicates whether VkResizer is visible and displaying
	  its geometry controls.

   attach()
	  void attach(Widget w);


	  This function	is used	to attach VkResizer to an existing widget.  If
	  VkResizer is already attached	to a widget, if	first detaches.
	  Attaching to a widget	sets up	VkResizer for geometry control of that
	  widget.  If VkResizer	is shown, it displays its geometry controls
	  around the attached widget.

   detach()
	  void detach(void);


	  This function	detaches VkResizer from	its attached widget.  Its
	  geometry controls are	removed.

   adjustGeometry()
	  void adjustGeometry(void);






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VkResizer(3x)							 VkResizer(3x)



	  This function	forces VkResizer to adjust its geometry	controls to
	  the geometry of its attached widget.	Use this function when autoadjustment
 was not selected in the VkResizer constructor, and	the
	  attached widget has changed geometry.

   stateChangedCallback
	  static const const char* stateChangedCallback;


	  This callback	informs	the application	when VkResizer has modified
	  the geometry of its attached widget.	The reason for the callback
	  can be VR_resizing, VR_moving, VR_resized, or	VR_moved.  VR_resizing
	  and VR_moving	indicate that resizing or moving are in	progress, and
	  are sent repeatedly as the user adjusts the geometry.	 VR_resized
	  and VR_moved indicate	that the resizing or moving is complete, and
	  are sent when	the user releases the VkResizer	geometry controls.

INHERITED MEMBER FUNCTIONS    [Toc]    [Back]

   Inherited from VkComponent
	  installDestroyHandler(), removeDestroyHandler(), widgetDestroyed(),
	  setDefaultResources(), getResources(), manage(), unmanage(),
	  baseWidget(),	okToQuit(), _name, _baseWidget,	_w, deleteCallback


   Inherited from VkCallbackObject    [Toc]    [Back]
	  callCallbacks(), addCallback(), removeCallback(),
	  removeAllCallbacks(),


CLASSES	USED BY	THIS CLASS
     VkApp

SEE ALSO    [Toc]    [Back]

     VkComponent, VkApp
     ViewKit Programmer's Guide
     The X Window System, DEC Press, Bob Sheifler and Jim Gettys
     The X Window System Toolkit, DEC Press, Paul Asente and Ralph Swick
     The OSF/Motif Programmers Reference, Prentice Hall, OSF


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