Examples of org.eclipse.swt.widgets.Control.computeSize()

org.eclipse.swt.widgets.Control.computeSize()
Returns the preferred size of the receiver.
The preferred size of a control is the size that it would best be displayed at. The width hint and height hint arguments allow the caller to ask a control questions such as "Given a particular width, how high does the control need to be to show all of the contents?" To indicate that the caller does not wish to constrain a particular dimension, the constant SWT.DEFAULT is passed for the hint.
@param wHint the width hint (can be SWT.DEFAULT) @param hHint the height hint (can be SWT.DEFAULT) @return the preferred size of the control @exception SWTException
- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
@see Layout @see #getBorderWidth @see #getBounds @see #getSize @see #pack(boolean) @see "computeTrim, getClientArea for controls that implement them"

    Control[] children = composite.getChildren();
    int count = children.length;
    int maxWidth = 0, maxHeight = 0;
    for (int i = 0; i < count; i++) {
      Control child = children[i];
      Point pt = child.computeSize(SWT.DEFAULT, SWT.DEFAULT, flushCache);
      maxWidth = Math.max(maxWidth, pt.x);
      maxHeight = Math.max(maxHeight, pt.y);
    }


    if (wHint != SWT.DEFAULT)

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    TableColumn[] columns = viewer.getTable().getColumns();
    for (TableColumn t : columns) {
      Control combo = map.get(t);
      int width = t.getWidth();
      if (combo != null) {
        Point computeSize = combo.computeSize(width, -1);
        combo.setLocation(x + 1, 0);
        combo.setSize(width - 1, computeSize.y + 4);
        if (combo instanceof Composite) {
          Composite m = (Composite) combo;
          m.layout(true);

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    TableColumn[] columns = viewer.getTable().getColumns();
    for (TableColumn t : columns) {
      Control combo = map.get(t);
      int width = t.getWidth();
      if (combo != null) {
        Point computeSize = combo.computeSize(width, -1);
        combo.setLocation(x + 1, 0);
        combo.setSize(width - 1, computeSize.y + 4);
        if (combo instanceof Composite) {
          Composite m = (Composite) combo;
          m.layout(true);

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  int controlH = 0;
  // preferred size of controls in tab items
  for (int i = 0; i < items.length; i++) {
    Control control = items[i].getControl();
    if (control != null && !control.isDisposed()){
      Point size = control.computeSize (wHint, hHint, flushCache);
      controlW = Math.max (controlW, size.x);
      controlH = Math.max (controlH, size.y);
    }
  }

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        Control[] children = composite.getChildren();
        
        for (int i = 0; i < children.length; i++) {
            Control control = children[i];
            
            Point sz = control.computeSize(wHint, hHint, flushCache);
            
            resultX = Math.max(resultX, sz.x + 2 * xmargin);
            resultY = Math.max(resultY, sz.y + 2 * ymargin);
        }

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            Control[] ctrls = composite.getChildren();
            Point p = null;
            for (int i = 0; i < ctrls.length; i++) {
                Control w = ctrls[i];
                if (menusep == w) {
                    p = w.computeSize(wHint, hHint, flushCache);
                    result.y += p.y;
                }
                else if (switcher == w) {
                    p = w.computeSize(wHint, hHint, flushCache);
                    result.x += p.x;

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                if (menusep == w) {
                    p = w.computeSize(wHint, hHint, flushCache);
                    result.y += p.y;
                }
                else if (switcher == w) {
                    p = w.computeSize(wHint, hHint, flushCache);
                    result.x += p.x;
                    result.y += p.y;
                }
                else if (switchersep == w) {
                    p = w.computeSize(wHint, hHint, flushCache);

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                    p = w.computeSize(wHint, hHint, flushCache);
                    result.x += p.x;
                    result.y += p.y;
                }
                else if (switchersep == w) {
                    p = w.computeSize(wHint, hHint, flushCache);
                    result.x += p.x;
                }
                else if (consolearea == w) {
                    p = w.computeSize(wHint, hHint, flushCache);
                    result.y += DIM_CONSOLE_HEIGHT;

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                else if (switchersep == w) {
                    p = w.computeSize(wHint, hHint, flushCache);
                    result.x += p.x;
                }
                else if (consolearea == w) {
                    p = w.computeSize(wHint, hHint, flushCache);
                    result.y += DIM_CONSOLE_HEIGHT;
                }
                else if (pagearea == w) {
                    p = w.computeSize(wHint, hHint, flushCache);
                    result.x += p.x;

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                else if (consolearea == w) {
                    p = w.computeSize(wHint, hHint, flushCache);
                    result.y += DIM_CONSOLE_HEIGHT;
                }
                else if (pagearea == w) {
                    p = w.computeSize(wHint, hHint, flushCache);
                    result.x += p.x;
                    result.y = p.y + DIM_CONSOLE_HEIGHT;
                }
            }

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