com.fr.design.gui.syntax.ui.rtextarea

类 ConfigurableCaret

java.lang.Object

java.awt.geom.RectangularShape

java.awt.geom.Rectangle2D

java.awt.Rectangle

javax.swing.text.DefaultCaret

com.fr.design.gui.syntax.ui.rtextarea.ConfigurableCaret

所有已实现的接口:

java.awt.event.FocusListener, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.awt.Shape, java.io.Serializable, java.lang.Cloneable, java.util.EventListener, javax.swing.text.Caret

public class ConfigurableCaret
extends javax.swing.text.DefaultCaret

The caret used by RTextArea. This caret has all of the properties that javax.swing.text.DefaultCaret does, as well as adding the following niceties:

• This caret can paint itself several different ways:
  1. As a vertical line (like DefaultCaret)
  2. As a slightly thicker vertical line (like Eclipse)
  3. As an underline
  4. As a "block caret"
  5. As a rectangle around the current character
• On Microsoft Windows and other operating systems that do not support system selection (i.e., selecting text, then pasting via the middle mouse button), clicking the middle mouse button will cause a regular paste operation to occur. On systems that support system selection (i.e., all UNIX variants), the middle mouse button will behave normally.

版本:

0.6

作者:

Robert Futrell

另请参阅:

序列化表格

嵌套类概要

从类继承的嵌套类/接口 java.awt.geom.Rectangle2D

java.awt.geom.Rectangle2D.Double, java.awt.geom.Rectangle2D.Float

字段概要

字段

限定符和类型	字段和说明
static int	BLOCK_BORDER_STYLE The block border style.
static int	BLOCK_STYLE The block style.
static int	MAX_STYLE The maximum value of a caret style.
static int	MIN_STYLE The minimum value of a caret style.
static int	THICK_VERTICAL_LINE_STYLE A thicker vertical line (2 pixels instead of 1).
static int	UNDERLINE_STYLE The horizontal line style.
static int	VERTICAL_LINE_STYLE The vertical line style.

从类继承的字段 javax.swing.text.DefaultCaret

ALWAYS_UPDATE, changeEvent, listenerList, NEVER_UPDATE, UPDATE_WHEN_ON_EDT

从类继承的字段 java.awt.Rectangle

height, width, x, y

从类继承的字段 java.awt.geom.Rectangle2D

OUT_BOTTOM, OUT_LEFT, OUT_RIGHT, OUT_TOP

构造器概要

构造器

构造器和说明
ConfigurableCaret() Creates the caret using VERTICAL_LINE_STYLE.
ConfigurableCaret(int style) Constructs a new ConfigurableCaret.

方法概要

方法

限定符和类型	方法和说明
protected void	damage(java.awt.Rectangle r) Overridden to damage the correct width of the caret, since this caret can be different sizes.
void	deinstall(javax.swing.text.JTextComponent c) Called when the UI is being removed from the interface of a JTextComponent.
boolean	getRoundedSelectionEdges() Returns whether this caret's selection uses rounded edges.
protected javax.swing.text.Highlighter.HighlightPainter	getSelectionPainter() Gets the painter for the Highlighter.
int	getStyle() Gets the current style of this caret.
protected RTextArea	getTextArea() Gets the text editor component that this caret is bound to.
void	install(javax.swing.text.JTextComponent c) Installs this caret on a text component.
void	mouseClicked(java.awt.event.MouseEvent e) Called when the mouse is clicked.
void	mousePressed(java.awt.event.MouseEvent e) Overridden to also focus the text component on right mouse clicks.
void	paint(java.awt.Graphics g) Paints the cursor.
void	setRoundedSelectionEdges(boolean rounded) Sets whether this caret's selection should have rounded edges.
void	setSelectionVisible(boolean visible) Overridden to always render the selection, even when the text component loses focus.
void	setStyle(int style) Sets the style used when painting the caret.

从类继承的方法 javax.swing.text.DefaultCaret

addChangeListener, adjustVisibility, equals, fireStateChanged, focusGained, focusLost, getBlinkRate, getChangeListeners, getComponent, getDot, getDotBias, getListeners, getMagicCaretPosition, getMark, getMarkBias, getUpdatePolicy, isActive, isSelectionVisible, isVisible, mouseDragged, mouseEntered, mouseExited, mouseMoved, mouseReleased, moveCaret, moveDot, moveDot, positionCaret, removeChangeListener, repaint, setBlinkRate, setDot, setDot, setMagicCaretPosition, setUpdatePolicy, setVisible, toString

从类继承的方法 java.awt.Rectangle

add, add, add, contains, contains, contains, contains, createIntersection, createUnion, getBounds, getBounds2D, getHeight, getLocation, getSize, getWidth, getX, getY, grow, inside, intersection, intersects, isEmpty, move, outcode, reshape, resize, setBounds, setBounds, setLocation, setLocation, setRect, setSize, setSize, translate, union

从类继承的方法 java.awt.geom.Rectangle2D

add, add, add, contains, contains, getPathIterator, getPathIterator, hashCode, intersect, intersects, intersectsLine, intersectsLine, outcode, setFrame, setRect, union

从类继承的方法 java.awt.geom.RectangularShape

clone, contains, contains, getCenterX, getCenterY, getFrame, getMaxX, getMaxY, getMinX, getMinY, intersects, setFrame, setFrame, setFrameFromCenter, setFrameFromCenter, setFrameFromDiagonal, setFrameFromDiagonal

从类继承的方法 java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

从接口继承的方法 java.awt.Shape

contains, contains, contains, contains, getPathIterator, getPathIterator, intersects, intersects

字段详细资料

MIN_STYLE

public static final int MIN_STYLE

The minimum value of a caret style.

另请参阅:

常量字段值

VERTICAL_LINE_STYLE

public static final int VERTICAL_LINE_STYLE

The vertical line style.

另请参阅:

常量字段值

UNDERLINE_STYLE

public static final int UNDERLINE_STYLE

The horizontal line style.

另请参阅:

常量字段值

BLOCK_STYLE

public static final int BLOCK_STYLE

The block style.

另请参阅:

常量字段值

BLOCK_BORDER_STYLE

public static final int BLOCK_BORDER_STYLE

The block border style.

另请参阅:

常量字段值

THICK_VERTICAL_LINE_STYLE

public static final int THICK_VERTICAL_LINE_STYLE

A thicker vertical line (2 pixels instead of 1).

另请参阅:

常量字段值

MAX_STYLE

public static final int MAX_STYLE

The maximum value of a caret style.

另请参阅:

常量字段值

构造器详细资料

ConfigurableCaret

public ConfigurableCaret()

Creates the caret using VERTICAL_LINE_STYLE.

ConfigurableCaret

public ConfigurableCaret(int style)

Constructs a new ConfigurableCaret.

参数:

style - The style to use when painting the caret. If this is invalid, then VERTICAL_LINE_STYLE is used.

方法详细资料

damage

protected void damage(java.awt.Rectangle r)

Overridden to damage the correct width of the caret, since this caret can be different sizes.

覆盖:

damage 在类中 javax.swing.text.DefaultCaret

参数:

r - The current location of the caret.

deinstall

public void deinstall(javax.swing.text.JTextComponent c)

Called when the UI is being removed from the interface of a JTextComponent. This is used to unregister any listeners that were attached.

指定者:

deinstall 在接口中 javax.swing.text.Caret

覆盖:

deinstall 在类中 javax.swing.text.DefaultCaret

参数:

c - The text component. If this is not an RTextArea, an Exception will be thrown.

另请参阅:

Caret.deinstall(javax.swing.text.JTextComponent)

getTextArea

protected RTextArea getTextArea()

Gets the text editor component that this caret is bound to.

返回:

The RTextArea.

getRoundedSelectionEdges

public boolean getRoundedSelectionEdges()

Returns whether this caret's selection uses rounded edges.

返回:

Whether this caret's edges are rounded.

另请参阅:

setRoundedSelectionEdges(boolean)

getSelectionPainter

protected javax.swing.text.Highlighter.HighlightPainter getSelectionPainter()

Gets the painter for the Highlighter. This is overridden to return our custom selection painter.

覆盖:

getSelectionPainter 在类中 javax.swing.text.DefaultCaret

返回:

The painter.

getStyle

public int getStyle()

Gets the current style of this caret.

返回:

The caret's style.

另请参阅:

setStyle(int)

install

public void install(javax.swing.text.JTextComponent c)

Installs this caret on a text component.

指定者:

install 在接口中 javax.swing.text.Caret

覆盖:

install 在类中 javax.swing.text.DefaultCaret

参数:

c - The text component. If this is not an RTextArea, an Exception will be thrown.

另请参阅:

Caret.install(javax.swing.text.JTextComponent)

mouseClicked

public void mouseClicked(java.awt.event.MouseEvent e)

Called when the mouse is clicked. If the click was generated from button1, a double click selects a word, and a triple click the current line.

指定者:

mouseClicked 在接口中 java.awt.event.MouseListener

覆盖:

mouseClicked 在类中 javax.swing.text.DefaultCaret

参数:

e - the mouse event

另请参阅:

MouseListener.mouseClicked(java.awt.event.MouseEvent)

mousePressed

public void mousePressed(java.awt.event.MouseEvent e)

Overridden to also focus the text component on right mouse clicks.

指定者:

mousePressed 在接口中 java.awt.event.MouseListener

覆盖:

mousePressed 在类中 javax.swing.text.DefaultCaret

参数:

e - The mouse event.

paint

public void paint(java.awt.Graphics g)

Paints the cursor.

指定者:

paint 在接口中 javax.swing.text.Caret

覆盖:

paint 在类中 javax.swing.text.DefaultCaret

参数:

g - The graphics context in which to paint.

setRoundedSelectionEdges

public void setRoundedSelectionEdges(boolean rounded)

Sets whether this caret's selection should have rounded edges.

参数:

rounded - Whether it should have rounded edges.

另请参阅:

getRoundedSelectionEdges()

setSelectionVisible

public void setSelectionVisible(boolean visible)

Overridden to always render the selection, even when the text component loses focus.

指定者:

setSelectionVisible 在接口中 javax.swing.text.Caret

覆盖:

setSelectionVisible 在类中 javax.swing.text.DefaultCaret

参数:

visible - Whether the selection should be visible. This parameter is ignored.

setStyle

public void setStyle(int style)

Sets the style used when painting the caret.

参数:

style - The style to use. If this isn't one of VERTICAL_LINE_STYLE, UNDERLINE_STYLE, or BLOCK_STYLE, then VERTICAL_LINE_STYLE is used.

另请参阅:

getStyle()