brf.j2me.dynaworks.ui
Class ScrollTextBox

java.lang.Object
  |
  +--brf.j2me.dynaworks.ui.BasicWidget
        |
        +--brf.j2me.dynaworks.ui.TextBox
              |
              +--brf.j2me.dynaworks.ui.ScrollTextBox

All Implemented Interfaces:

UserWidget

public class ScrollTextBox

extends TextBox

Text box with a border and a scrollbar.

This class extends a simple TextBox widget and has a sub-widget as an attribute.

Version:

1.0

Author:

Bernd R. Fix

See Also:

TextBox, UserWidget

Field Summary

private int	height height of control.
private ScrollBar	sb ScrollBar widget.
private int	width width of control.
private int	xPos x-coordinate of upper-left corner of control.
private int	yPos y-coordinate of upper-left corner of control.

Fields inherited from class brf.j2me.dynaworks.ui.TextBox

breakWidth, delimiters, lineBreaks, startLine, text

Fields inherited from class brf.j2me.dynaworks.ui.BasicWidget

g, h, w, x, y

Constructor Summary

ScrollTextBox(java.lang.String s, int x, int y, int w, int h)
constructor.

Method Summary

ActionEvent	handlePenDown(int xc, int yc) Handle a "pen down" event.
ActionEvent	handlePenMove(int xc, int yc) Handle a "pen move" event.
void	paint() Paint the user control.

Methods inherited from class brf.j2me.dynaworks.ui.TextBox

computeLineBreaks, getBreakPos, getNumLines, getText, setText

Methods inherited from class brf.j2me.dynaworks.ui.BasicWidget

, contains, handleKeyDown, handlePenUp, handleSysKeyDown, hasFocus, loseFocus, setFocus

Methods inherited from class java.lang.Object

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

Field Detail

xPos

private int xPos

x-coordinate of upper-left corner of control.

yPos

private int yPos

y-coordinate of upper-left corner of control.

width

private int width

width of control.

height

private int height

height of control.

sb

private ScrollBar sb

ScrollBar widget.

Constructor Detail

ScrollTextBox

public ScrollTextBox(java.lang.String s,
                     int x,
                     int y,
                     int w,
                     int h)

constructor.

Parameters:

text - String - content of the text box.

x - int - x coordinate of upper-left corner.

y - int - y coordinate of upper-left corner.

w - int - width of the control.

h - int - height of the control.

Method Detail

handlePenDown

public ActionEvent handlePenDown(int xc,
                                 int yc)

Handle a "pen down" event. Return an ActionEvent if neccessary.

The method is dispatched to the associated scrollbar if neccessary.

Overrides:

handlePenDown in class BasicWidget

Parameters:

xc - int - x coordinate of hit point.

yc - int - y coordinate of hit point.

Returns:

ActionEvent - event triggered by PenDown (or null).

See Also:

ActionEvent, ScrollBar

handlePenMove

public ActionEvent handlePenMove(int xc,
                                 int yc)

Handle a "pen move" event. Return an ActionEvent if neccessary.

The method is dispatched to the associated scrollbar if neccessary.

Overrides:

handlePenMove in class BasicWidget

Parameters:

xc - int - x coordinate of pen point.

yc - int - y coordinate of pen point.

Returns:

ActionEvent - event triggered by PenMove (or null).

See Also:

ActionEvent, ScrollBar

paint

public void paint()

Paint the user control.

Overrides:

paint in class TextBox