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java.lang.Objectcharva.awt.Component
charva.awt.Container
charvax.swing.JViewport
public class JViewport
The JViewport class provides a scrollable window onto an underlying component, whose size can be greater than the size of the JViewport. The underlying component must implement the Scrollable interface.
Field Summary |
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Fields inherited from class charva.awt.Container |
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_components, _currentFocus, _insets, _isValid, _layoutMgr, _minimumSize, _size |
Fields inherited from class charva.awt.Component |
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_alignmentX, _alignmentY, _background, _cursesColor, _enabled, _focusListeners, _foreground, _keyListeners, _origin, _parent, _visible, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT |
Constructor Summary | |
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JViewport()
Construct a JViewport. |
Method Summary | |
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void |
debug(int level_)
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void |
draw()
Draw all the components in this container. |
Rectangle |
getBounds()
Get the bounding rectangle of this component, relative to the origin of its parent Container. |
Dimension |
getExtentSize()
Returns the size of the visible part of the view. |
Component |
getView()
Returns the JViewport's one child. |
Point |
getViewPosition()
Gets the coordinates of the origin of the view, relative to the origin of the viewport. |
Dimension |
getViewSize()
Returns the child component's size. |
void |
setView(Component child_)
Set the JViewport's one child. |
void |
setViewPosition(Point origin_)
Sets the coordinates of the origin of the view, relative to the origin of the viewport. |
Methods inherited from class charva.awt.Container |
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add, add, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentAt, getComponentCount, getComponents, getCurrentFocus, getHeight, getInsets, getSize, getWidth, invalidate, isFocusTraversable, isValid, minimumSize, nextFocus, previousFocus, processKeyEvent, remove, requestFocus, setBackground, setBounds, setBounds, setBounds, setFocus, setForeground, setHeight, setLayout, setSize, setSize, setWidth, validate |
Methods inherited from class charva.awt.Component |
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addFocusListener, addKeyListener, contains, contains, getAlignmentX, getAlignmentY, getAncestorWindow, getBackground, getCursesColor, getForeground, getLocation, getLocationOnScreen, getName, getParent, hasFocus, hide, isDisplayed, isEnabled, isRecursivelyVisible, isTotallyObscured, isVisible, processEvent, processFocusEvent, processMouseEvent, repaint, requestSync, setEnabled, setLocation, setLocation, setName, setParent, setVisible, show, validateCursesColor |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public JViewport()
Method Detail |
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public void setView(Component child_)
public Component getView()
public void draw()
Container
draw
in class Container
public Point getViewPosition()
public void setViewPosition(Point origin_)
public Dimension getViewSize()
public Rectangle getBounds()
Component
getBounds
in class Component
public Dimension getExtentSize()
public void debug(int level_)
debug
in class Container
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