org.ascentphase.suit
Class QwertyKeyboard

java.lang.Object
  |
  +--org.ascentphase.suit.Widget
        |
        +--org.ascentphase.suit.QwertyKeyboard

public class QwertyKeyboard

extends Widget

A Widget that display the QWERTY keyboard layout so the user can enter text via a pointer.

Version:

Author:

huyd

Field Summary

static int	BACKSPACE_KEY
static int	CLEAR_KEY
protected int	height
protected char	highlightKey
protected char	lastKeySelected
static int	SHIFT_KEY
protected boolean	shifted

Fields inherited from class org.ascentphase.suit.Widget

cmdToThrow

Constructor Summary

QwertyKeyboard()

Method Summary

boolean	contains(int x, int y) Returns whether the given coordinate lies within this widget's area of interest.
char	getLastKeySelected() Returns the character value of the last key pressed on the keyboard.
void	paint(Graphics g) Draws the widget.
Command	pointerPressed(int x, int y) Method called by the widget's containing Panel when a pointer is pressed over the widget area.
Command	pointerReleased(int x, int y) Method called by the widget's containing Panel when a pointer is released over the widget area.

Methods inherited from class org.ascentphase.suit.Widget

getCommand, keyPressed, keyReleased, pointerDragged, setCommand

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SHIFT_KEY

public static final int SHIFT_KEY

See Also:

Constant Field Values

CLEAR_KEY

public static final int CLEAR_KEY

See Also:

Constant Field Values

BACKSPACE_KEY

public static final int BACKSPACE_KEY

See Also:

Constant Field Values

shifted

protected boolean shifted

height

protected int height

lastKeySelected

protected char lastKeySelected

highlightKey

protected char highlightKey

Constructor Detail

QwertyKeyboard

public QwertyKeyboard()

Method Detail

paint

public void paint(Graphics g)

Draws the widget.

Specified by:

paint in class Widget

Parameters:

g - the Graphics object to draw with.

contains

public boolean contains(int x,
                        int y)

Description copied from class: Widget

Returns whether the given coordinate lies within this widget's area of interest. The coordinate is relative to this widget's coordinate system. This method should return true if the coordinate given is of interest to the widget and the widget wishes to receive the keyXXX events and the pointerXXX events.

Overrides:

contains in class Widget

Parameters:

x - the x coordinate.

y - the y coordinate.

pointerPressed

public Command pointerPressed(int x,
                              int y)

Description copied from class: Widget

Method called by the widget's containing Panel when a pointer is pressed over the widget area. By default, if this method is not over-ridden, it returns null to indicate no Command event.

Overrides:

pointerPressed in class Widget

Parameters:

x - the x-coordinate relative to the widget's origin.

y - the y-coordinate relative to the widget's origin.

Returns:

a Command event to notify any listeners, or null if none.

pointerReleased

public Command pointerReleased(int x,
                               int y)

Description copied from class: Widget

Method called by the widget's containing Panel when a pointer is released over the widget area. By default, if this method is not over-ridden, it returns null to indicate no Command event.

Overrides:

pointerReleased in class Widget

Parameters:

x - the x-coordinate relative to the widget's origin.

y - the y-coordinate relative to the widget's origin.

Returns:

a Command event to notify any listeners, or null if none.

getLastKeySelected

public char getLastKeySelected()

Returns the character value of the last key pressed on the keyboard. If the last key pressed was the "SHIFT" key, it will return the key pressed before the "SHIFT" key was pressed.

Returns:

the last key pressed.