class PCheck3WayBox: public PNamedControl

A 3 state check box control that has Checked, Unchecked and Neither states.

Inheritance:


Public Classes

[more]enum CheckValues
The three possible states for the 3 way check box

Public Methods

[more] PCheck3WayBox ( PInteractor * parent, CheckValues value = Unchecked )
Create a 3 way check box control with the specified name next to it, callback function and the initial check state.
[more] PCheck3WayBox ( PInteractorLayout * parent, PRESOURCE_ID ctlID, const PNotifier & notify, CheckValues * valuePtr )
Create control from interactor layout with the specified control ID.
[more]virtual ~PCheck3WayBox ()
Destroy the 3 way check box.
[more]virtual void TransferValue ( int option )
This function transfers the value of the control to or from the variable pointed to by the value pointer member variable.
[more]void DefaultDimensions ()
Set the default dimensions for the control.
[more]CheckValues GetValue () const
Get the current state of the check box.
[more]void SetValue ( CheckValues newVal )
Set the check state of the check box.
[more]CheckValues* GetValuePointer () const
Get the current value pointer associated with the control.
[more]void SetValuePointer ( CheckValues * ptr )
Set the current value pointer associated with the control.

Public

[more] Overrides from class PControl
[more] New functions for class


Inherited from PNamedControl:

Public Methods

oPString GetName() const
ovoid SetName( const PString & name )


Inherited from PControl:

Public Fields

oPRESOURCE_ID controlID

Public Methods

ovirtual PBalloon* OnBalloonHelp()
ovirtual BOOL IsTabStop() const
oPRESOURCE_ID GetControlID() const
ovoid SetControlID( PRESOURCE_ID theID )
oconst PNotifier& GetNotifier() const
oBOOL WillNotifyOnStateUpdate() const
ovoid SetNotifier( const PNotifier & func, BOOL notifyForStateUpdate = FALSE )
oconst PString& GetBalloonHelp() const
ovoid SetBalloonHelp( const PString & text )
ovirtual void UpdateMyCommandSources()

Public

PNotifier codes

o Codes passed to the notification function on changes of state.

Overrides from class PInteractor

Protected Fields

oPNotifier callback
ovoid* valuePointer
oBOOL notifyForStateUpdate
oPString balloonHelpText

Protected

Overrides from class PInteractor

Member variables


Inherited from PInteractor:

Public Classes

oenum PositionOrigin
oenum CoordinateSystem
oenum AutoAdjustType

Public Fields

oPCursor cursor

Public Methods

ovirtual Comparison Compare( const PObject & obj ) const
oPInteractor* GetParent() const
oBOOL IsChild( PInteractor * parent ) const
oPINDEX GetNumChildren()
oPInteractor& operator[]( PINDEX index )
ovirtual void UpdateCommandSources()
ovirtual void SetFont( const PFont & newFont, BOOL toChildren = TRUE )
oconst PRealFont& GetFont()
oPDIMENSION ToPixelsDX( PDIMENSION x ) const
oPDIMENSION ToPixelsDY( PDIMENSION y ) const
oPORDINATE ToPixelsX( PORDINATE x ) const
oPORDINATE ToPixelsY( PORDINATE y ) const
oPDim ToPixels( const PDim & dim ) const
oPPoint ToPixels( const PPoint & pt ) const
oPRect ToPixels( const PRect & r ) const
oPDIMENSION FromPixelsDX( PDIMENSION x ) const
oPDIMENSION FromPixelsDY( PDIMENSION y ) const
oPORDINATE FromPixelsX( PORDINATE x ) const
oPORDINATE FromPixelsY( PORDINATE y ) const
oPDim FromPixels( const PDim & dim ) const
oPPoint FromPixels( const PPoint & pt ) const
oPRect FromPixels( const PRect & r ) const
ovoid SetPosition( PORDINATE x, PORDINATE y, PositionOrigin xOrigin = TopLeftParent, PositionOrigin yOrigin = TopLeftParent )
oPPoint GetPosition( CoordinateSystem coords ) const
oPPoint ToScreen( PORDINATE x, PORDINATE y, CoordinateSystem coords ) const
oPPoint FromScreen( PORDINATE x, PORDINATE y, CoordinateSystem coords ) const
ovoid SetDimensions( PDIMENSION width, PDIMENSION height, CoordinateSystem coords )
oPDim GetDimensions( CoordinateSystem coords ) const
oPRect GetStructureBounds( CoordinateSystem coords ) const
ovirtual PRect GetDrawingBounds( CoordinateSystem coords ) const
ovoid AutoAdjustBounds( PRect & bounds, AutoAdjustType type = AdjustBounds )
oBOOL ContainsPoint( const PPoint & pt, CoordinateSystem coords ) const
oPInteractor* FindInteractor( const PPoint & pt, CoordinateSystem coords ) const
ovirtual void Enable( BOOL enabled = TRUE )
ovoid Disable()
oBOOL IsEnabled() const
ovirtual void ShowAll()
ovirtual void Show( BOOL visible = TRUE )
ovoid Hide()
oBOOL IsVisible() const
ovirtual void BringToTop()
ovirtual BOOL IsOnTop() const
ovoid Invalidate( PORDINATE x, PORDINATE y, PDIMENSION width, PDIMENSION height, CoordinateSystem coords )
ovoid Validate( PORDINATE x, PORDINATE y, PDIMENSION width, PDIMENSION height, CoordinateSystem coords )
ovoid Update()
ovoid GrabMouse()
ovoid ReleaseMouse()
oBOOL HasMouse() const
ovoid GrabFocus()
oBOOL HasFocus() const
ovirtual void SetCursor( const PCursor & newCursor )
oPCursor GetCursor() const
ovoid SetCursorToParent( BOOL useParent = TRUE )
ovoid SetAllCursors( const PCursor & newCursor )
ovoid RestoreAllCursors()
ovoid SetWaitCursor()
ovoid SetCursorPos( PORDINATE x, PORDINATE y, CoordinateSystem coords )
oPPoint GetCursorPos( CoordinateSystem coords ) const
ovirtual void ShowCursor( BOOL show = TRUE )
ovoid HideCursor()
ovoid SetCaret( const PCaret & newCaret )
oPCaret GetCaret() const
ovoid SetCaretPos( PORDINATE x, PORDINATE y, CoordinateSystem coords )
oPPoint GetCaretPos( CoordinateSystem coords ) const
ovirtual void ShowCaret(BOOL show = TRUE)
ovoid HideCaret()
ovirtual void SetForegroundColour( const PColour & newColour )
oconst PColour& GetForegroundColour() const
ovirtual void SetBackgroundColour( const PColour & newColour )
oconst PColour& GetBackgroundColour() const
oPDim GetBorderSize() const
oconst PColour& GetBorderColour() const
oPCanvas* StartMouseTrack( BOOL wantsCanvas = FALSE )
ovirtual void OnMouseMove( PKeyCode button, const PPoint & where )
ovirtual void OnMouseDown( PKeyCode button, const PPoint & where, BOOL doubleClick )
ovirtual void OnMouseUp( PKeyCode button, const PPoint & where )
ovirtual BOOL OnKeyDown( PKeyCode key, unsigned repeat )
ovirtual void OnKeyUp( PKeyCode key )
ovirtual void OnKeyInput( const PString & str )
ovirtual void OnGainFocus()
ovirtual void OnLostFocus()
ovirtual void OnStartInput()
ovirtual BOOL OnEndInput()
ovirtual void OnRedraw( PCanvas & canvas )
ovirtual void OnControlNotify( PControl & control, int option )
ovirtual void OnSelectHelp()
ovirtual void OnMouseTrack( PCanvas * canvas, const PPoint & where, BOOL lastTrack )
ovirtual void _SetPosition( PORDINATE x, PORDINATE y, PositionOrigin xOrigin, PositionOrigin yOrigin )

Public

Overrides from class PObject

System callback functions.

Protected Fields

oPApplication* owner
oPInteractor* parent
oPInteractorList children
oPRealFont font
oPCursor savedCursor
oPCaret caret
oPPoint caretPosition
oint caretVisible
oPColour foregroundColour
oPColour backgroundColour
oPInteractor* mouseTrackInteractor
oPInteractorCanvas* mouseTrackCanvas

Protected Methods

ovirtual void _SetDimensions( PDIMENSION width, PDIMENSION height, CoordinateSystem coords )
ovirtual void _Invalidate( PORDINATE x, PORDINATE y, PDIMENSION width, PDIMENSION height, CoordinateSystem coords )
ovirtual void _Validate( PORDINATE x, PORDINATE y, PDIMENSION width, PDIMENSION height, CoordinateSystem coords )
ovirtual void _SetCursorPos( PORDINATE x, PORDINATE y, CoordinateSystem coords )
ovirtual void _SetCaretPos( PORDINATE x, PORDINATE y, CoordinateSystem coords )
ovirtual void SetFocusInteractor( PInteractor * interactor )
ovirtual PInteractor* GetFocusInteractor() const

Protected

o Flag to indicate that the parent interactor layouts cursor should be used with this interactor.


Documentation

A 3 state check box control that has Checked, Unchecked and Neither states.

The exact appearence of a check box is platform dependent, however, they all have some visual distinction between the three states plus a string label associated with it.

oenum CheckValues
The three possible states for the 3 way check box

o Unchecked
State indicating OFF.

o Checked
State indicating ON.

o Neither
State indicating unknown.

o PCheck3WayBox( PInteractor * parent, CheckValues value = Unchecked )
Create a 3 way check box control with the specified name next to it, callback function and the initial check state.
Parameters:
parent - Interactor into which the control is placed.
value - Initial state for the check box.

o PCheck3WayBox( PInteractorLayout * parent, PRESOURCE_ID ctlID, const PNotifier & notify, CheckValues * valuePtr )
Create control from interactor layout with the specified control ID. This is mainly used in support of resource based dialogs.
Parameters:
parent - Interactor into which the box is placed.
ctlID - Identifier for the control in the layout.
notify - Function to call when changes state.
valuePtr - Variable to change to the check box state.

ovirtual ~PCheck3WayBox()
Destroy the 3 way check box.

o Overrides from class PControl

ovirtual void TransferValue( int option )
This function transfers the value of the control to or from the variable pointed to by the value pointer member variable.
Parameters:
option - Transfer value option. When this is -1 when the function transfers the value from the value pointer into the control. This is called in PDialog::OnInit() function. When option is zero then the function transfers the value from the control to the value pointer variable. This is called just before the callback function every time the check box state changes.

o New functions for class

ovoid DefaultDimensions()
Set the default dimensions for the control. For the width this is the width of the name part plus 3 times the average width of a character. For the height this is 1.5 times the height of the font.

oCheckValues GetValue() const
Get the current state of the check box.

Returns:
check box state.

ovoid SetValue( CheckValues newVal )
Set the check state of the check box. This will be updated on the screen immediately (within OS contsraints).
Parameters:
newVal - New state to set the check box to.

oCheckValues* GetValuePointer() const
Get the current value pointer associated with the control. The variable pointed to by this is autamatically updated with the current value of the check box.

Returns:
value pointer associated with the control.

ovoid SetValuePointer( CheckValues * ptr )
Set the current value pointer associated with the control. The variable pointed to by this is autamatically updated with the current value of the check box.
Parameters:
ptr - New value pointer to associate with the control.


Direct child classes:
PCheckBox

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