Package com.googlecode.lanterna.graphics

Class DelegatingTheme

java.lang.Object

com.googlecode.lanterna.graphics.DelegatingTheme

All Implemented Interfaces:

Theme

public class DelegatingTheme
extends Object
implements Theme

Allows you to more easily wrap an existing theme and alter the behaviour in some special cases. You normally create a new class that extends from this and override some of the methods to divert the call depending on what you are trying to do. For an example, please see Issue409 in the test code.

See Also:

DelegatingThemeDefinition, DefaultMutableThemeStyle, Theme

Constructor Summary

Constructors

Constructor	Description
DelegatingTheme(Theme theme)	Creates a new DelegatingTheme with a default implementation that will forward all calls to the Theme that is passed in.

Method Summary

Modifier and Type	Method	Description
ThemeDefinition	getDefaultDefinition()	Returns what this theme considers to be the default definition
ThemeDefinition	getDefinition(Class<?> clazz)	Returns the theme definition associated with this class.
WindowDecorationRenderer	getWindowDecorationRenderer()	Returns the WindowDecorationRenderer to use for windows drawn in this theme.
WindowPostRenderer	getWindowPostRenderer()	Returns a post-renderer to invoke after drawing each window, unless the GUI system or individual windows has their own renderers set.

Methods inherited from class java.lang.Object

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

Constructor Detail

DelegatingTheme

public DelegatingTheme(Theme theme)

Creates a new DelegatingTheme with a default implementation that will forward all calls to the Theme that is passed in.

Parameters:

theme - Other theme to delegate all calls to

Method Detail

getDefaultDefinition

public ThemeDefinition getDefaultDefinition()

Description copied from interface: Theme

Returns what this theme considers to be the default definition

Specified by:

getDefaultDefinition in interface Theme

Returns:

The default theme definition

getDefinition

public ThemeDefinition getDefinition(Class<?> clazz)

Description copied from interface: Theme

Returns the theme definition associated with this class. The implementation of Theme should ensure that this call never returns null, it should always give back a valid value (falling back to the default is nothing else can be used).

Specified by:

getDefinition in interface Theme

Parameters:

clazz - Class to get the theme definition for

Returns:

The ThemeDefinition for the class passed in

getWindowPostRenderer

public WindowPostRenderer getWindowPostRenderer()

Description copied from interface: Theme

Returns a post-renderer to invoke after drawing each window, unless the GUI system or individual windows has their own renderers set. If null, no post-renderer will be done (unless the GUI system or the windows has a post-renderer).

Specified by:

getWindowPostRenderer in interface Theme

Returns:

A WindowPostRenderer to invoke after drawing each window unless overridden, or null if none

getWindowDecorationRenderer

public WindowDecorationRenderer getWindowDecorationRenderer()

Description copied from interface: Theme

Returns the WindowDecorationRenderer to use for windows drawn in this theme. If null then lanterna will fall back to use DefaultWindowDecorationRenderer.

Specified by:

getWindowDecorationRenderer in interface Theme

Returns:

The decoration renderer to use for this theme, or null to use system default