How to use

isVisible

method

in

org.eclipse.swt.widgets.Composite

@Override
public boolean
isVisible()
{
  return( browser.isVisible());
}

  @Override
  public void controlResized(ControlEvent e) {
    if (hostPane != null && hostPane.isVisible()) {
      setPaneLocation();
    }
  }
};

public void controlResized(ControlEvent e) {
  if (hostPane != null && hostPane.isVisible())
    setPaneLocation(hostPane);
}

  private boolean isReskinRequired(Control control) {
    if (control instanceof Composite) {
      Composite composite = (Composite) control;
      return composite.isVisible() && composite.getChildren().length > 0;
    }
    return false;
  }
}

@Override
public void updateUI() {
  if (viewComposite == null || viewComposite.isDisposed()
      || !viewComposite.isVisible() || view == null) {
    return;
  }
  view.triggerEvent(UISWTViewEvent.TYPE_REFRESH, null);
}

/**
 * Returns <code>true</code> if the receiver is visible and all
 * ancestors up to and including the receiver's nearest ancestor
 * shell are visible. Otherwise, <code>false</code> is returned.
 *
 * @return the receiver's visibility state
 *
 * @exception SWTException <ul>
 *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
 *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
 * </ul>
 *
 * @see #getVisible
 */
public boolean isVisible () {
  checkWidget();
  return getVisible () && parent.isVisible ();
}

  @Override
  public void widgetSelected(SelectionEvent e) {
    fModifyAllPanel.setVisible(!fModifyAllPanel.isVisible());
    if (fModifyAllPanel.isVisible()) {
      excomposite.setFocus(); // force preview update
      prepareControl();
      fControl.requestLayout();
      fControl.setFocus();
    }
  }
});

/**
 * Returns <code>true</code> if the receiver is visible and all
 * ancestors up to and including the receiver's nearest ancestor
 * shell are visible. Otherwise, <code>false</code> is returned.
 *
 * @return the receiver's visibility state
 *
 * @exception SWTException <ul>
 *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
 *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
 * </ul>
 *
 * @see #getVisible
 */
public boolean isVisible() {
 checkWidget();
 return getVisible() && parent.isVisible();
}

@Override
public void updateUI() {
  Object[] views = topbarViews.toArray();
  for (int i = 0; i < views.length; i++) {
    try {
      UISWTViewCore view = (UISWTViewCore) views[i];
      if (view.getComposite().isVisible()) {
        view.triggerEvent(UISWTViewEvent.TYPE_REFRESH, null);
      }
    } catch (Exception e) {
      Debug.out(e);
    }
  }
}

/**
 * Returns <code>true</code> if the receiver is visible and all
 * ancestors up to and including the receiver's nearest ancestor
 * shell are visible. Otherwise, <code>false</code> is returned.
 *
 * @return the receiver's visibility state
 *
 * @exception SWTException <ul>
 *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
 *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
 * </ul>
 *
 * @see #getVisible
 */
public boolean isVisible () {
  checkWidget();
  return getVisible () && parent.isVisible ();
}

/**
 * Returns <code>true</code> if the receiver is visible and all
 * ancestors up to and including the receiver's nearest ancestor
 * shell are visible. Otherwise, <code>false</code> is returned.
 *
 * @return the receiver's visibility state
 *
 * @exception SWTException <ul>
 *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
 *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
 * </ul>
 *
 * @see #getVisible
 */
public boolean isVisible () {
  checkWidget();
  return getVisible () && parent.isVisible ();
}

/**
 * Returns <code>true</code> if the receiver is visible and all
 * ancestors up to and including the receiver's nearest ancestor
 * shell are visible. Otherwise, <code>false</code> is returned.
 *
 * @return the receiver's visibility state
 *
 * @exception SWTException <ul>
 *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
 *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
 * </ul>
 *
 * @see #getVisible
 */
public boolean isVisible () {
  checkWidget();
  return getVisible () && parent.isVisible ();
}

/**
 * Returns <code>true</code> if the receiver is visible and all
 * ancestors up to and including the receiver's nearest ancestor
 * shell are visible. Otherwise, <code>false</code> is returned.
 *
 * @return the receiver's visibility state
 *
 * @exception SWTException <ul>
 *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
 *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
 * </ul>
 *
 * @see #getVisible
 */
public boolean isVisible () {
  checkWidget ();
  if (OS.IsWindowVisible (handle)) return true;
  return getVisible () && parent.isVisible ();
}

@Override
public void updateUI() {
  Object[] views = pluginViews.toArray();
  for (int i = 0; i < views.length; i++) {
    try {
      UISWTViewCore view = (UISWTViewCore) views[i];
      Composite composite = view.getComposite();
      if ( composite == null ){
        continue;
      }
      if (composite.isDisposed()) {
        pluginViews.remove(view);
        continue;
      }
      if (composite.isVisible()) {
        view.triggerEvent(UISWTViewEvent.TYPE_REFRESH, null);
      }
    } catch (Exception e) {
      Debug.out(e);
    }
  }
  if (tree.getSelectionCount() == 0) {
    return;
  }
  super.updateUI();
}

void fixActiveShell () {
  if (display.activeShell == this) {
    Shell shell = null;
    if (parent != null && parent.isVisible ()) shell = parent.getShell ();
    if (shell == null && isUndecorated ()) {
      Shell [] shells = display.getShells ();
      for (int i = 0; i < shells.length; i++) {
        if (shells [i] != null && shells [i].isVisible ()) {
          shell = shells [i];
          break;
        }
      }
    }
    if (shell != null) shell.bringToTop (false);
  }
}

void fixActiveShell () {
  if (display.activeShell == this) {
    Shell shell = null;
    if (parent != null && parent.isVisible ()) shell = parent.getShell ();
    if (shell == null && isUndecorated ()) {
      Shell [] shells = display.getShells ();
      for (int i = 0; i < shells.length; i++) {
        if (shells [i] != null && shells [i].isVisible ()) {
          shell = shells [i];
          break;
        }
      }
    }
    if (shell != null) shell.bringToTop (false);
  }
}

void fixActiveShell () {
  if (display.activeShell == this) {
    Shell shell = null;
    if (parent != null && parent.isVisible ()) shell = parent.getShell ();
    if (shell == null && isUndecorated ()) {
      Shell [] shells = display.getShells ();
      for (int i = 0; i < shells.length; i++) {
        if (shells [i] != null && shells [i].isVisible ()) {
          shell = shells [i];
          break;
        }
      }
    }
    if (shell != null) shell.bringToTop (false);
  }
}

public static Control
findChild(
  Composite    comp,
  int			x,
  int			y )
{
  Rectangle comp_bounds = comp.getBounds();
  if ( comp.isVisible() && comp_bounds.contains( x, y )){
    x -= comp_bounds.x;
    y -= comp_bounds.y;
    Control[] children = comp.getChildren();
    for ( int i = 0; i < children.length; i++){
      Control child = children[i];
      if ( child.isVisible()){
        if (child instanceof Composite) {
          Control res = findChild((Composite) child, x, y );
          if ( res != null ){
            return( res );
          }
        }else{
          return( child );
        }
      }
    }
    return( comp );
  }
  return( null );
}

  private void obfuscatedImage(Composite c, Image image) {
    if (c == null || c.isDisposed() || !c.isVisible()) {
      return;
    }
    Control[] children = c.getChildren();
    for (Control childControl : children) {
      if (!childControl.isVisible()) {
        continue;
      }
      ObfuscateImage oi = (ObfuscateImage) childControl.getData("ObfuscateImage");
      if (oi != null) {
        oi.obfuscatedImage(image);
        continue;
      }
      if (childControl instanceof Composite) {
        obfuscatedImage((Composite) childControl, image);
      }
    }
  }
}

@Override
public boolean isVisible() {
  if (!Utils.isThisThreadSWT()) {
    return isVisible;
  }
  boolean wasVisible = isVisible;
  isVisible = cTable != null && !cTable.isDisposed() && cTable.isVisible()
      && !shell.getMinimized();
  if (isVisible != wasVisible) {
    visibleRowsChanged();
    MdiEntrySWT view = tvTabsCommon == null ? null
        : tvTabsCommon.getActiveSubView();
    if (isVisible) {
      loopFactor = 0;
      if (view != null) {
        view.getMDI().showEntry(view);
      }
    } else {
      if (view != null) {
        view.triggerEvent(UISWTViewEvent.TYPE_FOCUSLOST, null);
      }
    }
  }
  return isVisible;
}