Package jexer

Class TVScroller

java.lang.Object

jexer.TWidget

jexer.TVScroller

All Implemented Interfaces:

java.lang.Comparable<TWidget>

public class TVScroller
extends TWidget

TVScroller implements a simple vertical scroll bar.

Constructor Summary

Constructors

Constructor	Description
TVScroller(TWidget parent, int x, int y, int height)	Public constructor.

Method Summary

Modifier and Type	Method	Description
void	bigDecrement()	Perform a big step change up.
void	bigIncrement()	Perform a big step change down.
void	decrement()	Perform a small step change up.
void	draw()	Draw a vertical scroll bar.
int	getBigChange()	Set the increment for clicking in the bar between the box and an arrow.
int	getBottomValue()	Get the value that corresponds to being on the bottom edge of the scroll bar.
int	getSmallChange()	Get the increment for clicking on an arrow.
int	getTopValue()	Get the value that corresponds to being on the top edge of the scroll bar.
int	getValue()	Get current value of the scroll.
void	increment()	Perform a small step change down.
void	onMouseDown(TMouseEvent mouse)	Handle mouse press events.
void	onMouseMotion(TMouseEvent mouse)	Handle mouse movement events.
void	onMouseUp(TMouseEvent mouse)	Handle mouse button releases.
void	setBigChange(int bigChange)	Set the increment for clicking in the bar between the box and an arrow.
void	setBottomValue(int bottomValue)	Set the value that corresponds to being on the bottom edge of the scroll bar.
void	setSmallChange(int smallChange)	Set the increment for clicking on an arrow.
void	setTopValue(int topValue)	Set the value that corresponds to being on the top edge of the scroll bar.
void	setValue(int value)	Set current value of the scroll.
void	toBottom()	Go to the bottom edge of the scroller.
void	toTop()	Go to the top edge of the scroller.

Methods inherited from class jexer.TWidget

activate, activate, activate, activateAll, addButton, addCalendar, addCheckBox, addCheckBox, addComboBox, addDirectoryList, addDirectoryList, addDirectoryList, addDirectoryList, addEditor, addField, addField, addField, addField, addImage, addImage, addLabel, addLabel, addLabel, addLabel, addLabel, addLabel, addList, addList, addList, addList, addPanel, addPasswordField, addPasswordField, addPasswordField, addProgressBar, addRadioGroup, addRadioGroup, addSpinner, addSplitPane, addTable, addTable, addText, addText, addTreeViewWidget, addTreeViewWidget, close, compareTo, doRepaint, drawBox, drawBox, drawBoxShadow, drawChildren, fileOpenBox, fileOpenBox, fileOpenBox, fileOpenBox, fileSaveBox, getAbsoluteX, getAbsoluteY, getActiveChild, getApplication, getAttrXY, getChildren, getClipboard, getCursorAbsoluteX, getCursorAbsoluteY, getCursorX, getCursorY, getHeight, getLayoutManager, getParent, getScreen, getTheme, getWidth, getWindow, getX, getY, handleEvent, hasChild, hLineXY, inputBox, inputBox, inputBox, isAbsoluteActive, isActive, isCursorVisible, isDrawable, isEchoKeystrokes, isEnabled, isVisible, messageBox, messageBox, mouseWouldHit, onCommand, onIdle, onKeypress, onMenu, onMouseDoubleClick, onResize, putAll, putAttrXY, putAttrXY, putCharXY, putCharXY, putCharXY, putStringXY, putStringXY, remove, remove, remove, remove, removeAll, resetTabOrder, setActive, setCursorVisible, setCursorX, setCursorY, setDimensions, setEchoKeystrokes, setEchoKeystrokes, setEnabled, setHeight, setLayoutManager, setParent, setupForTWindow, setVisible, setWidth, setWindow, setX, setY, splitHorizontal, splitVertical, switchWidget, toPrettyString, toPrettyString, toString, vLineXY

Methods inherited from class java.lang.Object

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

Constructor Detail

TVScroller

public TVScroller(TWidget parent,
                  int x,
                  int y,
                  int height)

Public constructor.

Parameters:

parent - parent widget

x - column relative to parent

y - row relative to parent

height - height of scroll bar

Method Detail

onMouseUp

public void onMouseUp(TMouseEvent mouse)

Handle mouse button releases.

Overrides:

onMouseUp in class TWidget

Parameters:

mouse - mouse button release event

onMouseMotion

public void onMouseMotion(TMouseEvent mouse)

Handle mouse movement events.

Overrides:

onMouseMotion in class TWidget

Parameters:

mouse - mouse motion event

onMouseDown

public void onMouseDown(TMouseEvent mouse)

Handle mouse press events.

Overrides:

onMouseDown in class TWidget

Parameters:

mouse - mouse button press event

draw

public void draw()

Draw a vertical scroll bar.

Overrides:

draw in class TWidget

getTopValue

public int getTopValue()

Get the value that corresponds to being on the top edge of the scroll bar.

Returns:

the scroll value

setTopValue

public void setTopValue(int topValue)

Set the value that corresponds to being on the top edge of the scroll bar.

Parameters:

topValue - the new scroll value

getBottomValue

public int getBottomValue()

Get the value that corresponds to being on the bottom edge of the scroll bar.

Returns:

the scroll value

setBottomValue

public void setBottomValue(int bottomValue)

Set the value that corresponds to being on the bottom edge of the scroll bar.

Parameters:

bottomValue - the new scroll value

getValue

public int getValue()

Get current value of the scroll.

Returns:

the scroll value

setValue

public void setValue(int value)

Set current value of the scroll.

Parameters:

value - the new scroll value

getSmallChange

public int getSmallChange()

Get the increment for clicking on an arrow.

Returns:

the increment value

setSmallChange

public void setSmallChange(int smallChange)

Set the increment for clicking on an arrow.

Parameters:

smallChange - the new increment value

getBigChange

public int getBigChange()

Set the increment for clicking in the bar between the box and an arrow.

Returns:

the increment value

setBigChange

public void setBigChange(int bigChange)

Set the increment for clicking in the bar between the box and an arrow.

Parameters:

bigChange - the new increment value

decrement

public void decrement()

Perform a small step change up.

increment

public void increment()

Perform a small step change down.

bigDecrement

public void bigDecrement()

Perform a big step change up.

bigIncrement

public void bigIncrement()

Perform a big step change down.

toTop

public void toTop()

Go to the top edge of the scroller.

toBottom

public void toBottom()

Go to the bottom edge of the scroller.