A UI component for displaying and interacting with calendar dates. More...

#include <Calendar.h>

Inheritance diagram for Calendar:

Public Member Functions
	Calendar ()
	Constructs a Calendar component.
virtual	~Calendar ()
	Destroys the Calendar component.
void	setAsPopup (BOOL isPopup)
	Sets whether the calendar is used in a popup context.
BOOL	isPopup ()
	Return TRUE if this component is displayed as a popup (e.g. DateTimePicker).
void	setOrientation (const wstring &orientation)
	Sets the orientation of the calendar.
void	setSelectedDate (const wstring &dateYYYYMMDD)
	Sets the selected date using a string formatted as YYYYMMDD.
void	setSelectedDate (int year, int month, int day)
	Sets the selected date using year, month, and day integers.
wstring	getSelectedDate ()
	Gets the selected date as a string formatted as YYYYMMDD.
wstring	getSelectedDate (int &year, int &month, int &day)
	Gets the selected date components.
void	onPaint (Graphics *g)
	Paints the calendar to the provided device context.
void	onWindowResized ()
	Called when the window has been resized.
void	onFocusGained ()
	Called when the calendar gains focus.
void	onFocusLost ()
	Called when the calendar loses focus.
void	onKeyBackSpace (BOOL shiftPressed, BOOL ctrlPressed)
	Handles Backspace key input.
void	onKeyTyped (wchar_t ch, BOOL shiftPressed, BOOL ctrlPressed)
	Handles typed character input.
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 events.
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	onArrowUp (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onArrowDown (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onPageUp (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onPageDown (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyHome (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyEnd (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyInsert (BOOL shiftPressed, BOOL ctrlPressed)
virtual void	onKeyDelete (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	onTimer (unsigned int timerId)
	Called on timer events.
virtual BOOL	getScrollingInfo (__int64 &scrollMin, __int64 &scrollMax, __int64 &pageSize)
	Provides scrolling information if supported.
virtual void	setScrollbarTopOffset (__int64 firstVisibleRow)
	Sets the scrollbar's top offset.
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)
	Retrieves options needed to create the calendar window.
void	windowCreated ()
	Called after the window has been successfully 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 UI component for displaying and interacting with calendar dates.

Inherits from Component and provides functionality to display months, handle user input, and manage selected dates.

Constructor & Destructor Documentation

◆ Calendar()

Calendar::Calendar ( )

Constructs a Calendar component.

◆ ~Calendar()

virtual Calendar::~Calendar ( )

virtual

Destroys the Calendar component.

Member Function Documentation

◆ addSelectionChangedListener()

void Calendar::addSelectionChangedListener ( SelectionChangeListener * l )

Adds a listener for selection change events.

Parameters

l	Pointer to a SelectionChangeListener to notify on selection change.

◆ getCreateWindowOptions()

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

protectedvirtual

Retrieves options needed to create the calendar window.

Parameters

title	The window title.
widownStyles	The style flags for the window.
wndClassName	The class name of the window.
isCustomWndProc	Whether a custom window procedure is used.

Returns: TRUE if successful, FALSE otherwise.

Implements Component.

◆ getSelectedDate() [1/2]

wstring Calendar::getSelectedDate ( )

Gets the selected date as a string formatted as YYYYMMDD.

Returns: The currently selected date string.

◆ getSelectedDate() [2/2]

wstring Calendar::getSelectedDate	(	int &	year,
		int &	month,
		int &	day )

Gets the selected date components.

Parameters

year	Output parameter for the selected year.
month	Output parameter for the selected month.
day	Output parameter for the selected day.

Returns: The currently selected date as a string in the format "YYYYMMDD".

◆ isPopup()

BOOL Calendar::isPopup ( )

Return TRUE if this component is displayed as a popup (e.g. DateTimePicker).

◆ onFocusGained()

void Calendar::onFocusGained ( )

virtual

Called when the calendar gains focus.

Reimplemented from Component.

◆ onFocusLost()

void Calendar::onFocusLost ( )

virtual

Called when the calendar loses focus.

Reimplemented from Component.

◆ onKeyBackSpace()

void Calendar::onKeyBackSpace	(	BOOL	shiftPressed,
		BOOL	ctrlPressed )

virtual

Handles Backspace key input.

Parameters

shiftPressed	Whether the Shift key is pressed.
ctrlPressed	Whether the Ctrl key is pressed.

Reimplemented from Component.

◆ onKeyTyped()

void Calendar::onKeyTyped	(	wchar_t	ch,
		BOOL	shiftPressed,
		BOOL	ctrlPressed )

virtual

Handles typed character input.

Parameters

ch	The character typed.
shiftPressed	Whether the Shift key is pressed.
ctrlPressed	Whether the Ctrl key is pressed.

Reimplemented from Component.

◆ onMousePressed()

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

virtual

Handles mouse press events.

Parameters

hWnd	Handle to the window receiving the event.
x	The x-coordinate of the mouse event.
y	The y-coordinate of the mouse event.
clickCount	Number of mouse clicks.
shiftPressed	Whether the Shift key is pressed.
ctrlPressed	Whether the Ctrl key is pressed.

Reimplemented from Component.

◆ onMouseWheel()

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

virtual

Handles mouse wheel events.

Parameters

hWnd	Handle to the window receiving the event.
x	The x-coordinate of the mouse event.
y	The y-coordinate of the mouse event.
delta	The scroll delta.

Returns: TRUE if the event was handled, FALSE otherwise.

Reimplemented from Component.

◆ onPaint()

void Calendar::onPaint ( Graphics * g )

virtual

Paints the calendar to the provided device context.

Parameters

hDC	Handle to the device context.

Reimplemented from Component.

◆ onWindowResized()

void Calendar::onWindowResized ( )

virtual

Called when the window has been resized.

Reimplemented from Component.

◆ setAsPopup()

void Calendar::setAsPopup ( BOOL isPopup )

Sets whether the calendar is used in a popup context.

Parameters

isPopup TRUE to mark the calendar as a popup, FALSE otherwise.

◆ setOrientation()

void Calendar::setOrientation ( const wstring & orientation )

Sets the orientation of the calendar.

Parameters

orientation A string indicating the orientation ("vertical" or "horizontal").

◆ setSelectedDate() [1/2]

void Calendar::setSelectedDate ( const wstring & dateYYYYMMDD )

Sets the selected date using a string formatted as YYYYMMDD.

Parameters

dateYYYYMMDD Date string in the format "YYYYMMDD".

◆ setSelectedDate() [2/2]

void Calendar::setSelectedDate	(	int	year,
		int	month,
		int	day )

Sets the selected date using year, month, and day integers.

Parameters

year	The year to select.
month	The month to select.
day	The day to select.

◆ windowCreated()

void Calendar::windowCreated ( )

protectedvirtual

Called after the window has been successfully created.

Implements Component.

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

Calendar.h

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Calendar()

◆ ~Calendar()

Member Function Documentation

◆ addSelectionChangedListener()

◆ getCreateWindowOptions()

◆ getSelectedDate() [1/2]

◆ getSelectedDate() [2/2]

◆ isPopup()

◆ onFocusGained()

◆ onFocusLost()

◆ onKeyBackSpace()

◆ onKeyTyped()

◆ onMousePressed()

◆ onMouseWheel()

◆ onPaint()

◆ onWindowResized()

◆ setAsPopup()

◆ setOrientation()

◆ setSelectedDate() [1/2]

◆ setSelectedDate() [2/2]

◆ windowCreated()