gnu.jemacs.buffer
Class EWindow

java.lang.Object
  gnu.jemacs.buffer.EWindow

Direct Known Subclasses:

SwingWindow, SwtWindow

public abstract class EWindow
extends java.lang.Object

Field Summary

Buffer	buffer
protected int	charHeight Nominal height in pixels of a character, if non-zero.
protected int	charWidth Nominal width in pixels of a character, if non-zero.
EFrame	frame
protected EWindow	nextWindow Next window in cyclic window ordering.
protected int[]	pendingKeys
protected int	pendingLength
protected EWindow	prevWindow Previous window in cyclic window ordering.

Constructor Summary

EWindow(Buffer buffer)

Method Summary

void	delete()
protected void	deleteNoValidate()
void	deleteOtherWindows()
Buffer	getBuffer()
protected abstract void	getCharSize()
EFrame	getFrame()
abstract int	getHeight() Get the current height (in pixels) of this window.
int	getHeightInLines()
EWindow	getNextWindow(boolean forwards) Return the next/previous window in the cyclic order of windows.
EWindow	getNextWindowInFrame(int count)
EWindow	getOtherWindow(boolean forwards) Return the next/previous EWindow in the cyclic order of windows.
abstract int	getPoint() Returns the "Emacs value" (1-origin) of point.
static EWindow	getSelected()
abstract int	getWidth() Get the current width (in pixels) of this window.
int	getWidthInColumns()
void	handleCommand(java.lang.Object command)
void	handleKey(int code)
protected void	linkSibling(EWindow window, boolean horizontal) Link a new window after this.
java.lang.Object	lookupKey(int key)
void	pushPrefix(int prefix)
void	requestFocus()
void	setBuffer(Buffer buffer)
abstract void	setDot(int offset)
void	setFrame(EFrame frame)
void	setPoint(int point)
void	setSelected()
static void	setSelected(EWindow window)
abstract EWindow	split(Buffer buffer, int lines, boolean horizontal) Split this window into two.
EWindow	split(int lines, boolean horizontal) Split this window into two, showing this buffer in both windows.
abstract java.lang.Object	tooLong(int pendingLength)
java.lang.String	toString()
protected void	unlink()
abstract void	unselect()

Methods inherited from class java.lang.Object

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

Field Detail

frame

public EFrame frame

buffer

public Buffer buffer

pendingKeys

protected int[] pendingKeys

pendingLength

protected int pendingLength

prevWindow

protected EWindow prevWindow

Previous window in cyclic window ordering.

nextWindow

protected EWindow nextWindow

Next window in cyclic window ordering.

charHeight

protected int charHeight

Nominal height in pixels of a character, if non-zero.

charWidth

protected int charWidth

Nominal width in pixels of a character, if non-zero.

Constructor Detail

EWindow

public EWindow(Buffer buffer)

Method Detail

getSelected

public static EWindow getSelected()

setSelected

public void setSelected()

unselect

public abstract void unselect()

setSelected

public static void setSelected(EWindow window)

requestFocus

public void requestFocus()

getFrame

public EFrame getFrame()

setFrame

public final void setFrame(EFrame frame)

getBuffer

public Buffer getBuffer()

setBuffer

public void setBuffer(Buffer buffer)

getPoint

public abstract int getPoint()

Returns the "Emacs value" (1-origin) of point.

setPoint

public final void setPoint(int point)

setDot

public abstract void setDot(int offset)

split

public final EWindow split(int lines,
                           boolean horizontal)

Split this window into two, showing this buffer in both windows.

Returns:

the new wndow.

split

public abstract EWindow split(Buffer buffer,
                              int lines,
                              boolean horizontal)

Split this window into two. Display Var>buffer in the new window.

Returns:

the new window.

linkSibling

protected final void linkSibling(EWindow window,
                                 boolean horizontal)

Link a new window after this.

unlink

protected final void unlink()

getNextWindow

public EWindow getNextWindow(boolean forwards)

Return the next/previous window in the cyclic order of windows. Returns null if this is the last/first window in this EFrame.

getOtherWindow

public final EWindow getOtherWindow(boolean forwards)

Return the next/previous EWindow in the cyclic order of windows. Returns first/last if this is the last/first window in this EFrame.

getNextWindowInFrame

public final EWindow getNextWindowInFrame(int count)

delete

public void delete()

deleteNoValidate

protected void deleteNoValidate()

deleteOtherWindows

public void deleteOtherWindows()

getCharSize

protected abstract void getCharSize()

getWidth

public abstract int getWidth()

Get the current width (in pixels) of this window.

getHeight

public abstract int getHeight()

Get the current height (in pixels) of this window.

getHeightInLines

public int getHeightInLines()

getWidthInColumns

public int getWidthInColumns()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

pushPrefix

public void pushPrefix(int prefix)

lookupKey

public java.lang.Object lookupKey(int key)

tooLong

public abstract java.lang.Object tooLong(int pendingLength)

handleKey

public void handleKey(int code)

handleCommand

public void handleCommand(java.lang.Object command)