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java.lang.Objectjava.awt.Component
java.awt.Canvas
tapeutils.gui.ListCanvas
List Canvas class.
Nested Class Summary |
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Nested classes inherited from class java.awt.Canvas |
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java.awt.Canvas.AccessibleAWTCanvas |
Nested classes inherited from class java.awt.Component |
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java.awt.Component.AccessibleAWTComponent, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy |
Field Summary | |
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static int |
LINE_WIDTH
Thw width of a line in characters. |
static int |
LINES
The number of lines displayed. |
Fields inherited from class java.awt.Component |
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BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT |
Fields inherited from interface java.awt.image.ImageObserver |
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ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH |
Constructor Summary | |
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ListCanvas(java.io.InputStream fontDataStream)
Constructs a new ListCanvas. |
Method Summary | |
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void |
draw()
Draws the image for the Canvas. |
java.awt.Dimension |
getMinimumSize()
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java.awt.Dimension |
getPreferredSize()
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void |
initializeFontData(java.io.InputStream is)
Initialise font data from the input stream. |
int |
numLines()
Returns the number of lines of display. |
void |
paint(java.awt.Graphics g)
Paints the image of the Canvas. |
void |
setFileContent(byte[] fileBytes)
Update the file content. |
void |
setLineNumber(int number)
Set the current line number. |
void |
update(java.awt.Graphics g)
Updates the Canvas display. |
Methods inherited from class java.awt.Canvas |
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addNotify, createBufferStrategy, createBufferStrategy, getAccessibleContext, getBufferStrategy |
Methods inherited from class java.awt.Component |
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action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, deliverEvent, disable, disableEvents, dispatchEvent, doLayout, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, getAlignmentX, getAlignmentY, getBackground, getBounds, getBounds, getColorModel, getComponentAt, getComponentAt, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeys, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMaximumSize, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, invalidate, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusCycleRoot, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isOpaque, isShowing, isValid, isVisible, keyDown, keyUp, layout, list, list, list, list, list, locate, location, lostFocus, minimumSize, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, paramString, postEvent, preferredSize, prepareImage, prepareImage, print, printAll, processComponentEvent, processEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeys, setFocusTraversalKeysEnabled, setFont, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle, validate |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
public static final int LINES
public static final int LINE_WIDTH
Constructor Detail |
public ListCanvas(java.io.InputStream fontDataStream)
fontDataStream
- An input stream containing the font data
(in the form of a ZX81 ROM image).Method Detail |
public void setLineNumber(int number)
number
- The line number.public void draw()
public void initializeFontData(java.io.InputStream is)
is
- The input stream.public void paint(java.awt.Graphics g)
g
- The Graphics object for the paint operation.public void update(java.awt.Graphics g)
The Canvas does not need to be cleared.
g
- The Graphics object for the update operation.public java.awt.Dimension getMinimumSize()
public java.awt.Dimension getPreferredSize()
public void setFileContent(byte[] fileBytes)
fileBytes
- The file content.public int numLines()
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