A radio button group component supporting multiple selectable options. More...

#include <Radio.h>

Inheritance diagram for Radio:

Public Member Functions
	Radio ()
	Constructs a new Radio component.
virtual	~Radio ()
	Destroys the Radio component.
void	clear ()
	Removes all radio options.
void	setOrientation (const wstring &orientation=L"VERT")
	Sets the orientation of the radio group.
wstring	getOrientation ()
	Gets the current orientation.
void	addOption (const wstring &actionName, const wstring &text)
	Adds a radio option.
void	setSelectedtem (const wstring &action)
	Sets the selected radio option by its action name.
wstring	getSelectedtem ()
	Gets the action name of the currently selected option.
void	onPaint (Graphics *g)
	Paints the control.
void	onWindowResized ()
	Handles window resize event.
void	onArrowUp (BOOL shiftPressed, BOOL ctrlPressed)
	Handles Up arrow key press.
void	onArrowDown (BOOL shiftPressed, BOOL ctrlPressed)
	Handles Down arrow key press.
void	onPageUp (BOOL shiftPressed, BOOL ctrlPressed)
	Handles Page Up key press.
void	onPageDown (BOOL shiftPressed, BOOL ctrlPressed)
	Handles Page Down key press.
void	onKeyHome (BOOL shiftPressed, BOOL ctrlPressed)
	Handles Home key press.
void	onKeyEnd (BOOL shiftPressed, BOOL ctrlPressed)
	Handles End key press.
void	onMousePressed (WinHandle hWnd, int x, int y, int clickCount, BOOL shiftPressed, BOOL ctrlPressed)
	Handles mouse press events.
BOOL	onMouseWheel (WinHandle hWnd, int x, int y, int delta)
	Handles mouse wheel scrolling.
BOOL	getScrollingInfo (__int64 &scrollMin, __int64 &scrollMax, __int64 &pageSize)
	Gets scroll bar information.
void	setScrollbarTopOffset (__int64 firstVisibleRow)
	Sets the scrollbar's top offset.
void	addSelectionChangedListener (SelectionChangeListener *l)
	Adds a listener for selection change events.
Public Member Functions inherited from Component
	Component ()
	Constructs a new Component instance.
virtual	~Component ()
	Virtual destructor.
long	getId ()
	Gets the unique ID assigned to this component.
void	setParent (Component *parent)
Component *	getParent ()
wstring	getComponentType ()
	Gets the component type string.
BOOL	isWindowCreated ()
	Returns whether the native window has been created.
WinHandle	getWindowHandle ()
	Returns the native WinHandle for this component.
int	createComponent (WinHandle hParent, Bounds rect, long nCmd=-1, BOOL isVisible=TRUE)
	Creates the component's native window as a child of hParent.
void	setFont (long fontSize, BOOL isBold=FALSE, BOOL isItalic=FALSE, BOOL isUnderlined=FALSE, const wstring &fontName=L"Arial")
	Sets the font for the component.
void	showBorder (BOOL bShow=TRUE)
void	setEnabled (BOOL bEnable=TRUE)
	Enables or disables the component.
void	setVisible (BOOL bShow=TRUE)
	Shows or hides the component.
void	GetClientRect (Bounds &rect)
void	GetWindowRect (Bounds &rect)
void	moveWindow (long x, long y, long width, long height, BOOL bRedraw=TRUE)
	Moves and resizes the component window.
void	reconfigureScrollBar ()
	Forces the component to recalculate the scrollbar info.
void	setMouseWheelDelta (int delta)
	Sets the accumulated mouse wheel delta.
int	getMouseWheelDelta ()
	Gets the current mouse wheel delta.
virtual int	getMinimumHeight ()
	Returns the minimum height the component can have.
virtual int	getPreferredHeight ()
	Returns the preferred height of the component.
void	repaint (WinHandle hWnd=NULL)
	Requests the component to repaint itself.
void	clearQueuedPaintRequest ()
	clears the queued paint request. This function should only be called internally from the library.
virtual void	onWindowMoved ()
	Called when the component's window is moved.
virtual void	onAction (WinHandle hTarget, long actionId, const ProcParams &procParams)
	Called when an action occurs on the component.
virtual void	onSelectionChanged (WinHandle hTarget, int itemIndex, const wstring &itemText, BOOL itemChecked, const ProcParams &procParams)
	Called when the selection changes.
virtual void	onDataChanged (WinHandle hTarget, const wstring &newValue, const ProcParams &procParams)
	Called when data changes in the component.
virtual BOOL	onHorzScroll (WinHandle hTarget, const ProcParams &procParams)
	Called on horizontal scroll events.
virtual BOOL	onDrawMeasureItem (LPMEASUREITEMSTRUCT dis, const ProcParams &procParams)
	Called when measuring an item for owner-draw controls.
virtual BOOL	onDrawItem (LPDRAWITEMSTRUCT dis, const ProcParams &procParams)
	Called when drawing an item for owner-draw controls.
virtual void	onMouseReleased (WinHandle hWnd, int x, int y, BOOL shiftPressed, BOOL ctrlPressed)
	Called when the mouse button is released within the component.
virtual void	onMouseRightClicked (WinHandle hWnd, int x, int y, BOOL shiftPressed, BOOL ctrlPressed)
	Called when the right mouse button is clicked within the component.
virtual void	onMouseMoved (WinHandle hWnd, int x, int y, BOOL shiftPressed, BOOL ctrlPressed)
	Called when the mouse is moved within the component.
virtual void	onArrowLeft (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onArrowRight (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyInsert (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyDelete (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyBackSpace (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyTyped (wchar_t ch, BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyTab (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyEnter (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyF1 (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyF2 (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyF3 (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyF4 (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyF5 (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyF6 (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyF7 (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyF8 (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyF9 (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyF10 (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyF11 (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyF12 (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onFocusGained ()
	Called when the component gains keyboard focus.
virtual void	onFocusLost ()
	Called when the component loses keyboard focus.
virtual void	onTimer (unsigned int timerId)
	Called on timer events.
void	updateScrollbarTopOffset (__int64 firstVisibleRow)
	Updates the scrollbar's top offset based on the current first visible row.

Protected Member Functions
BOOL	getCreateWindowOptions (wstring &title, UINT &widownStyles, wstring &wndClassName, BOOL &isCustomWndProc)
	Gets window creation options.
void	windowCreated ()
	Called when the window is created.
Protected Member Functions inherited from Component
long	getActionId ()
	Returns the component's action command ID.
void	doNotSubclass ()
	Marks this component's native window to avoid subclassing.
void	startTimer (unsigned int timerId, unsigned int milliseconds)
	Starts a timer with the given ID and interval.
void	stopTimer (unsigned int timerId)
	Stops the timer identified by timerId.
void	protectedAddDataChangedListener (DataChangeListener *l)
	Adds a data change listener.
void	protectedAddSelectionChangedListener (SelectionChangeListener *l)
	Adds a selection change listener.
void	protectedAddActionListener (ActionListener *l)
	Adds an action listener.
void	protectedAddItemDoubleClickedListener (RowDoubleClickListener *l)
	Adds a row double-click listener.
void	protectedFireDataChangedEvent (const wstring &oldValue, const wstring &newValue)
	Fires a data changed event to registered listeners.
void	protectedFireSelectionChangedEvent (long selectionIndex=-1, const wstring &selectionValue=L"", BOOL checked=FALSE)
	Fires a selection changed event to registered listeners.
void	protectedFireActionEvent (long actionId=-1, const wstring &actionName=L"")
	Fires an action event to registered listeners.
void	protectedFireItemDoubleClickedEvent (__int64 rowIndex)
	Fires a row double-click event to registered listeners.

Additional Inherited Members
Protected Attributes inherited from Component
WinHandle	_hWnd
	Handle to the native window associated with this component.
wstring	_componentType
	String representing the component type (e.g., "Button", "ComboBox").
BOOL	_showBorder

Detailed Description

A radio button group component supporting multiple selectable options.

Constructor & Destructor Documentation

◆ Radio()

Radio::Radio ( )

Constructs a new Radio component.

◆ ~Radio()

virtual Radio::~Radio ( )

virtual

Destroys the Radio component.

Member Function Documentation

◆ addOption()

void Radio::addOption	(	const wstring &	actionName,
		const wstring &	text )

Adds a radio option.

Parameters

actionName	Internal action name identifying this option.
text	Display text for the option.

◆ addSelectionChangedListener()

void Radio::addSelectionChangedListener ( SelectionChangeListener * l )

Adds a listener for selection change events.

Parameters

l	Pointer to a SelectionChangeListener.

◆ clear()

void Radio::clear ( )

Removes all radio options.

◆ getCreateWindowOptions()

BOOL Radio::getCreateWindowOptions	(	wstring &	title,
		UINT &	widownStyles,
		wstring &	wndClassName,
		BOOL &	isCustomWndProc )

protectedvirtual

Gets window creation options.

Implements Component.

◆ getOrientation()

wstring Radio::getOrientation ( )

Gets the current orientation.

Returns: wstring Current orientation ("VERT" or "HORZ").

◆ getScrollingInfo()

BOOL Radio::getScrollingInfo	(	__int64 &	scrollMin,
		__int64 &	scrollMax,
		__int64 &	pageSize )

virtual

Gets scroll bar information.

Parameters

scrollMin	Minimum scroll value.
scrollMax	Maximum scroll value.
pageSize	Visible page size.

Returns: TRUE if successful.

Reimplemented from Component.

◆ getSelectedtem()

wstring Radio::getSelectedtem ( )

Gets the action name of the currently selected option.

Returns: wstring The selected option's action name.

◆ onArrowDown()

void Radio::onArrowDown	(	BOOL	shiftPressed,
		BOOL	ctrlPressed )

virtual

Handles Down arrow key press.

Reimplemented from Component.

◆ onArrowUp()

void Radio::onArrowUp	(	BOOL	shiftPressed,
		BOOL	ctrlPressed )

virtual

Handles Up arrow key press.

Reimplemented from Component.

◆ onKeyEnd()

void Radio::onKeyEnd	(	BOOL	shiftPressed,
		BOOL	ctrlPressed )

virtual

Handles End key press.

Reimplemented from Component.

◆ onKeyHome()

void Radio::onKeyHome	(	BOOL	shiftPressed,
		BOOL	ctrlPressed )

virtual

Handles Home key press.

Reimplemented from Component.

◆ onMousePressed()

void Radio::onMousePressed	(	WinHandle	hWnd,
		int	x,
		int	y,
		int	clickCount,
		BOOL	shiftPressed,
		BOOL	ctrlPressed )

virtual

Handles mouse press events.

Reimplemented from Component.

◆ onMouseWheel()

BOOL Radio::onMouseWheel	(	WinHandle	hWnd,
		int	x,
		int	y,
		int	delta )

virtual

Handles mouse wheel scrolling.

Returns: TRUE if handled, FALSE otherwise.

Reimplemented from Component.

◆ onPageDown()

void Radio::onPageDown	(	BOOL	shiftPressed,
		BOOL	ctrlPressed )

virtual

Handles Page Down key press.

Reimplemented from Component.

◆ onPageUp()

void Radio::onPageUp	(	BOOL	shiftPressed,
		BOOL	ctrlPressed )

virtual

Handles Page Up key press.

Reimplemented from Component.

◆ onPaint()

void Radio::onPaint ( Graphics * g )

virtual

Paints the control.

Reimplemented from Component.

◆ onWindowResized()

void Radio::onWindowResized ( )

virtual

Handles window resize event.

Reimplemented from Component.

◆ setOrientation()

void Radio::setOrientation ( const wstring & orientation = L"VERT" )

Sets the orientation of the radio group.

Parameters

orientation "VERT" for vertical layout, "HORZ" for horizontal layout (default is "VERT").

◆ setScrollbarTopOffset()

void Radio::setScrollbarTopOffset ( __int64 firstVisibleRow )

virtual

Sets the scrollbar's top offset.

Parameters

firstVisibleRow Index of the first visible row.

Reimplemented from Component.

◆ setSelectedtem()

void Radio::setSelectedtem ( const wstring & action )

Sets the selected radio option by its action name.

Parameters

action The action name to select.

◆ windowCreated()

void Radio::windowCreated ( )

protectedvirtual

Called when the window is created.

Implements Component.

The documentation for this class was generated from the following file:

Radio.h

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Radio()

◆ ~Radio()

Member Function Documentation

◆ addOption()

◆ addSelectionChangedListener()

◆ clear()

◆ getCreateWindowOptions()

◆ getOrientation()

◆ getScrollingInfo()

◆ getSelectedtem()

◆ onArrowDown()

◆ onArrowUp()

◆ onKeyEnd()

◆ onKeyHome()

◆ onMousePressed()

◆ onMouseWheel()

◆ onPageDown()

◆ onPageUp()

◆ onPaint()

◆ onWindowResized()

◆ setOrientation()

◆ setScrollbarTopOffset()

◆ setSelectedtem()

◆ windowCreated()