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jcurses.widgets
Class CheckBox  

java.lang.Object
  jcurses.widgets.Widget
      jcurses.widgets.CheckBox

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public class CheckBox

extends Widget

This class implements a checkbox widget. This checkboxes state is modified by typing a special char (default 'space'). You can register listeners by this widget to track state changes.

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Field Summary
private static jcurses.system.InputChar	__changeStatusChar
private static jcurses.system.CharColor	__checkBoxDefaultColors
private static jcurses.system.CharColor	__focusedCheckBoxDefaultColors
private  boolean	_checked
private  jcurses.system.CharColor	_focusedCheckboxColors
private  jcurses.event.ValueChangedListenerManager	_listenerManager

 

Fields inherited from class jcurses.widgets.Widget

_parent, _window

 

Constructor Summary

CheckBox()           The constructor creates an unchecked checkbox

CheckBox(boolean checked)           The constructor.

 

Method Summary
void	addListener(jcurses.event.ValueChangedListener listener)           Adds listener to the checkbox to track states changes
private  void	changeColors()
protected  void	doPaint()           This method paints the widget.
protected  void	doRepaint()           This method repaints the widget.
protected  void	focus()           The method is called bei setFocus to tell widget, thas it has get focus.
jcurses.system.CharColor	getDefaultColors()
jcurses.system.CharColor	getFocusedCheckboxColors()
private  jcurses.system.CharColor	getFocusedCheckboxDefaultColors()
protected  jcurses.util.Rectangle	getPreferredSize()           This method gives the widget container the infomation about the preferred size of this widget.
boolean	getValue()           return true, if the checkbox is checked , false otherwise
protected  boolean	handleInput(jcurses.system.InputChar ch)           The method is called by framework to let the widget handle an input char.
protected  boolean	isFocusable()           The method declares, whether the widget can handle input ( get focus ), that is, whether this is an input widget.
void	removeListener(jcurses.event.ValueChangedListener listener)           Removes listener from the checkbox
void	setFocusedCheckboxColors(jcurses.system.CharColor colors)           Sets colors of the checkbox in focused state.
void	setValue(boolean value)           Sets checkboxes value
protected  void	unfocus()           The method is called bei setFocus to tell widget, thas it has lost focus.

 

Methods inherited from class jcurses.widgets.Widget

getAbsoluteX, getAbsoluteY, getColors, getFocus, getParent, getRectangle, getShortCutsList, getSize, getVisible, getWindow, getX, getY, hasFocus, isVisible, paint, repaint, setColors, setFocus, setParent, setSize, setVisible, setWindow, setX, setY

 

Methods inherited from class java.lang.Object

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

 

Field Detail

_checked

private boolean _checked

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_listenerManager

private jcurses.event.ValueChangedListenerManager _listenerManager

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__checkBoxDefaultColors

private static jcurses.system.CharColor __checkBoxDefaultColors

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__focusedCheckBoxDefaultColors

private static jcurses.system.CharColor __focusedCheckBoxDefaultColors

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_focusedCheckboxColors

private jcurses.system.CharColor _focusedCheckboxColors

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__changeStatusChar

private static jcurses.system.InputChar __changeStatusChar

Constructor Detail

CheckBox

public CheckBox(boolean checked)

The constructor.

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CheckBox

public CheckBox()

The constructor creates an unchecked checkbox

Method Detail

getDefaultColors

public jcurses.system.CharColor getDefaultColors()

Overrides:

getDefaultColors in class Widget

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getFocusedCheckboxDefaultColors

private jcurses.system.CharColor getFocusedCheckboxDefaultColors()

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getFocusedCheckboxColors

public jcurses.system.CharColor getFocusedCheckboxColors()

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setFocusedCheckboxColors

public void setFocusedCheckboxColors(jcurses.system.CharColor colors)

Sets colors of the checkbox in focused state.

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getValue

public boolean getValue()

return true, if the checkbox is checked , false otherwise

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setValue

public void setValue(boolean value)

Sets checkboxes value

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getPreferredSize

protected jcurses.util.Rectangle getPreferredSize()

Description copied from class: Widget

This method gives the widget container the infomation about the preferred size of this widget. Must be implemented by derived classes.

Specified by:

getPreferredSize in class Widget

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doPaint

protected void doPaint()

Description copied from class: Widget

This method paints the widget. Will be called by paint(), only if the widget is visible. Must be implemented be derived classes.

Specified by:

doPaint in class Widget

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isFocusable

protected boolean isFocusable()

Description copied from class: Widget

The method declares, whether the widget can handle input ( get focus ), that is, whether this is an input widget.

Overrides:

isFocusable in class Widget

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doRepaint

protected void doRepaint()

Description copied from class: Widget

This method repaints the widget. Will be called by paint(), only if the widget is visible. Must be implemented be derived classes.

Specified by:

doRepaint in class Widget

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handleInput

protected boolean handleInput(jcurses.system.InputChar ch)

Description copied from class: Widget

The method is called by framework to let the widget handle an input char. Schould be overrided be derived classes, if these can handle input.

Overrides:

handleInput in class Widget

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changeColors

private void changeColors()

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focus

protected void focus()

Description copied from class: Widget

The method is called bei setFocus to tell widget, thas it has get focus. This method schold be overrided bei derived class to react getting focus, for examlple to repaint widget gettig focus.

Overrides:

focus in class Widget

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unfocus

protected void unfocus()

Description copied from class: Widget

The method is called bei setFocus to tell widget, thas it has lost focus. This method schold be overrided bei derived class to react losing focus, for examlple to repaint widget losing focus.

Overrides:

unfocus in class Widget

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addListener

public void addListener(jcurses.event.ValueChangedListener listener)

Adds listener to the checkbox to track states changes

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removeListener

public void removeListener(jcurses.event.ValueChangedListener listener)

Removes listener from the checkbox

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Home >> All >> jcurses >> [ widgets overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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