waba.ui
Class Button

java.lang.Object
  |
  +--waba.ui.Control
        |
        +--waba.ui.Button

public class Button

extends Control

Button is a push button control.

Here is an example showing a push button being used:

 public class MyProgram extends MainWindow
 {
 Button pushB;

 public void onStart()
  {
  pushB = new Button("Push me");
  pushB.setRect(10, 10, 80, 30);
  add(pushB);
  }
 
 public void onEvent(Event event)
  {
  if (event.type == ControlEvent.PRESSED &&
      event.target == pushB)
   {
   ... handle pushB being pressed
 

Fields inherited from class waba.ui.Control

BOTTOM, CENTER, controlCount, enabled, FILL, fm, font, height, LEFT, name, next, parent, PREFERRED, prev, RIGHT, TOP, width, x, y

Constructor Summary

Button(java.lang.String text)
Creates a button displaying the given text.

Method Summary

static void	drawButton(Graphics g, boolean armed, int width, int height)
int	getPreferredHeight() returns the preffered height of this control. added by guich
int	getPreferredWidth() returns the preffered width of this control. added by guich
java.lang.String	getText() Gets the text displayed in the button.
void	onEvent(Event event) Called by the system to pass events to the button.
void	onPaint(Graphics g) Called by the system to draw the button. it cuts the text if the button is too small.
void	setText(java.lang.String text) Sets the text that is displayed in the button.
java.lang.String	toString() Returns the string representation of the object.

Methods inherited from class waba.ui.Control

addTimer, contains, createGraphics, getAbsoluteRect, getFontMetrics, getNext, getParent, getRect, isEnabled, isVisible, onBoundsChanged, onWindowPaintFinished, postEvent, removeTimer, repaint, repaintNow, setEnabled, setFont, setRect, setRect, setVisible

Methods inherited from class java.lang.Object

hashCode

Constructor Detail

Button

public Button(java.lang.String text)

Creates a button displaying the given text.

Method Detail

setText

public void setText(java.lang.String text)

Sets the text that is displayed in the button.

getText

public java.lang.String getText()

Gets the text displayed in the button.

getPreferredWidth

public int getPreferredWidth()

returns the preffered width of this control. added by guich

Overrides:

getPreferredWidth in class Control

getPreferredHeight

public int getPreferredHeight()

returns the preffered height of this control. added by guich

Overrides:

getPreferredHeight in class Control

onEvent

public void onEvent(Event event)

Called by the system to pass events to the button.

Overrides:

onEvent in class Control

Tags copied from class: Control

Parameters:

event - the event to process

See Also:

Event, KeyEvent, PenEvent

drawButton

public static void drawButton(Graphics g,
                              boolean armed,
                              int width,
                              int height)

onPaint

public void onPaint(Graphics g)

Called by the system to draw the button. it cuts the text if the button is too small.

Overrides:

onPaint in class Control

Tags copied from class: Control

Parameters:

g - the graphics object for drawing

See Also:

Graphics

toString

public java.lang.String toString()

Description copied from class: java.lang.Object

Returns the string representation of the object.

Overrides:

toString in class java.lang.Object