org.eclipse.swt.widgets.Composite.computeTrim java code examples

Common ways to obtain Composite

private void myMethod () {
     Composite c =Control control;control.getParent()
StatusDialog zuper;(Composite) zuper.createDialogArea(parent)
TitleAreaDialog zuper;(Composite) zuper.createDialogArea(parent)
Smart code suggestions by Codota
}

private int computeScrollBarWidth() {
  Composite t= new Composite(fTable.getShell(), SWT.V_SCROLL);
  int result= t.computeTrim(0, 0, 0, 0).width;
  t.dispose();
  return result;
}

/**
 * Try to figure out how much we need to subtract from the hints that we
 * pass into the given control's computeSize(...) method. This tries to
 * compensate for bug 46112. To be removed once SWT provides an "official"
 * way to compute one dimension of a control's size given the other known
 * dimension.
 *
 * @param control
 */
private void computeHintOffset(Control control) {
  if (control instanceof Composite) {
    // For composites, subtract off the trim size
    Composite composite = (Composite) control;
    Rectangle trim = composite.computeTrim(0, 0, 0, 0);
    widthAdjustment = trim.width;
    heightAdjustment = trim.height;
  } else {
    // For non-composites, subtract off 2 * the border size
    widthAdjustment = control.getBorderWidth() * 2;
    heightAdjustment = widthAdjustment;
  }
}

private int computeScrollBarWidth() {
  Composite t= new Composite(fTable.getShell(), SWT.V_SCROLL);            
  int result= t.computeTrim(0, 0, 0, 0).width;
  t.dispose();
  return result;
}

private int computeScrollBarWidth() {
  Composite t= new Composite(fTable.getShell(), SWT.V_SCROLL);
  int result= t.computeTrim(0, 0, 0, 0).width;
  t.dispose();
  return result;
}

private int computeScrollBarWidth() {
  Composite t= new Composite(fTable.getShell(), SWT.V_SCROLL);            
  int result= t.computeTrim(0, 0, 0, 0).width;
  t.dispose();
  return result;
}

public Rectangle computeTrim (int x, int y, int width, int height) {
  checkWidget ();
  NSTabView widget = (NSTabView)view;
  NSRect rect = widget.contentRect ();
  x -= rect.x;
  y -= rect.y;
  NSRect frame = widget.frame();
  width += Math.ceil (frame.width - rect.width);
  height += Math.ceil (frame.height - rect.height);
  return super.computeTrim (x, y, width, height);
}

  protected Point betterComputeSize(Composite c, Point size, int wHint, int hHint, boolean changed) {
    if (c.getChildren().length == 0 && (size.x == 64 || size.y == 64)) {
      Object ld = c.getLayoutData();
      if (ld instanceof FormData) {
        FormData fd = (FormData) ld;
        if (fd.width != 0 && fd.height != 0) {
          Rectangle trim = c.computeTrim (0, 0, fd.width, fd.height);
          return new Point(trim.width, trim.height);
        }
      }
      return new Point(1, 1);
    }
    if (size.x == 0 || size.y == 0) {
      return size;
    }
    if (minWidth > 0 && size.x < minWidth) {
      size.x = minWidth;
    }
    if (minHeight > 0 && size.y < minHeight) {
      size.y = minHeight;
    }
    return size;
  }
}

protected Point betterComputeSize(Composite c, Point size, int wHint,
    int hHint) {
  if (c.getChildren().length == 0 && (size.x == 64 || size.y == 64)) {
    Object ld = c.getLayoutData();
    if (ld instanceof FormData) {
      FormData fd = (FormData) ld;
      if (fd.width != 0 && fd.height != 0) {
        Rectangle trim = c.computeTrim (0, 0, fd.width, fd.height);
        return new Point(trim.width, trim.height);
      }
    }
    return new Point(1, 1);
  }
  if (size.x == 0 || size.y == 0) {
    return size;
  }
  if (minWidth > 0 && size.x < minWidth) {
    size.x = minWidth;
  }
  if (minHeight > 0 && size.y < minHeight) {
    size.y = minHeight;
  }
  return size;
}

@Override
public Rectangle computeTrim( int x, int y, int width, int height ) {
 BoxDimensions trimmings = getThemeAdapter().getTrimmingSize( this );
 int trimmingsWidth = trimmings.left + trimmings.right;
 int trimmingsHeight = trimmings.top + trimmings.bottom;
 BoxDimensions border = getBorder();
 int borderWidth = border.left + border.right;
 int borderHeight = border.top + border.bottom;
 return super.computeTrim( x - trimmings.left - border.left,
              y - trimmings.top - border.top,
              width + trimmingsWidth + borderWidth,
              height + trimmingsHeight + borderHeight );
}

private int getMarginWidths( Control control ) {
 // get the width added by container margins and (wm-specific) decorations
 int extraWidth = 0;
 for ( Composite parent = control.getParent(); !parent.equals( getParent() ); parent = parent.getParent() ) {
  extraWidth += parent.computeTrim( 0, 0, 0, 0 ).width;
  if ( parent.getLayout() instanceof FormLayout ) {
   extraWidth += 2 * ( (FormLayout) parent.getLayout() ).marginWidth;
  }
 }
 return extraWidth;
}

private int getMarginWidths( Control control ) {
 // get the width added by container margins and (wm-specific) decorations
 int extraWidth = 0;
 for ( Composite parent = control.getParent(); !parent.equals( getParent() ); parent = parent.getParent() ) {
  extraWidth += parent.computeTrim( 0, 0, 0, 0 ).width;
  if ( parent.getLayout() instanceof FormLayout ) {
   extraWidth += 2 * ( (FormLayout) parent.getLayout() ).marginWidth;
  }
 }
 return extraWidth;
}

public Point computeSize (int wHint, int hHint, boolean changed) {
  checkWidget();
  display.runSkin ();
  Point size;
  if (layout != null) {
    if ((wHint == SWT.DEFAULT) || (hHint == SWT.DEFAULT)) {
      changed |= (state & LAYOUT_CHANGED) != 0;
      size = layout.computeSize (this, wHint, hHint, changed);
      state &= ~LAYOUT_CHANGED;
    } else {
      size = new Point (wHint, hHint);
    }
  } else {
    size = minimumSize (wHint, hHint, changed);
    if (size.x == 0) size.x = DEFAULT_WIDTH;
    if (size.y == 0) size.y = DEFAULT_HEIGHT;
  }
  if (wHint != SWT.DEFAULT) size.x = wHint;
  if (hHint != SWT.DEFAULT) size.y = hHint;
  Rectangle trim = computeTrim (0, 0, size.x, size.y);
  return new Point (trim.width, trim.height);
}

private int getMarginWidths( Control control ) {
 // get the width added by container margins and (wm-specific) decorations
 int extraWidth = 0;
 for ( Composite parent = control.getParent(); !parent.equals( getParent() ); parent = parent.getParent() ) {
  extraWidth += parent.computeTrim( 0, 0, 0, 0 ).width;
  if ( parent.getLayout() instanceof FormLayout ) {
   extraWidth += 2 * ( (FormLayout) parent.getLayout() ).marginWidth;
  }
 }
 return extraWidth;
}

public Rectangle computeTrim (int x, int y, int width, int height) {
  checkWidget ();
  NSBox widget = (NSBox)view;
  NSRect newRect = new NSRect();
  newRect.x = x;
  newRect.y = y;
  newRect.width = width;
  newRect.height = height;
  NSRect oldRect = widget.frame();
  ignoreResize = true;
  widget.setFrameFromContentFrame(newRect);
  newRect = widget.frame();
  widget.setFrame(oldRect);
  ignoreResize = false;
  x = (int) Math.ceil(newRect.x) - hMargin;
  y = (int) Math.ceil(newRect.y) - vMargin;
  width = (int) Math.ceil(newRect.width) + (hMargin * 2);
  height = (int) Math.ceil(newRect.height) + (vMargin * 2);
  return super.computeTrim(x, y, width, height);
}

 size.y = hHint;
Rectangle trim = computeTrim( 0, 0, size.x, size.y );
return new Point( trim.width, trim.height );

@Override
Point computeSizeInPixels (int wHint, int hHint, boolean changed) {
  display.runSkin ();
  Point size;
  if (layout != null) {
    if (wHint == SWT.DEFAULT || hHint == SWT.DEFAULT) {
      changed |= (state & LAYOUT_CHANGED) != 0;
      state &= ~LAYOUT_CHANGED;
      size = DPIUtil.autoScaleUp(layout.computeSize (this, DPIUtil.autoScaleDown(wHint), DPIUtil.autoScaleDown(hHint), changed));
    } else {
      size = new Point (wHint, hHint);
    }
  } else {
    size = minimumSize (wHint, hHint, changed);
    if (size.x == 0) size.x = DEFAULT_WIDTH;
    if (size.y == 0) size.y = DEFAULT_HEIGHT;
  }
  if (wHint != SWT.DEFAULT) size.x = wHint;
  if (hHint != SWT.DEFAULT) size.y = hHint;
  /*
   * Since computeTrim can be overridden by subclasses, we cannot
   * call computeTrimInPixels directly.
   */
  Rectangle trim = DPIUtil.autoScaleUp(computeTrim (0, 0, DPIUtil.autoScaleDown(size.x), DPIUtil.autoScaleDown(size.y)));
  return new Point (trim.width, trim.height);
}

@Override
Point computeSizeInPixels (int wHint, int hHint, boolean changed) {
  checkWidget ();
  display.runSkin();
  if (wHint != SWT.DEFAULT && wHint < 0) wHint = 0;
  if (hHint != SWT.DEFAULT && hHint < 0) hHint = 0;
  Point size;
  if (layout != null) {
    if (wHint == SWT.DEFAULT || hHint == SWT.DEFAULT) {
      changed |= (state & LAYOUT_CHANGED) != 0;
      size = DPIUtil.autoScaleUp(layout.computeSize (this, DPIUtil.autoScaleDown(wHint), DPIUtil.autoScaleDown(hHint), changed));
      state &= ~LAYOUT_CHANGED;
    } else {
      size = new Point (wHint, hHint);
    }
  } else {
    size = minimumSize (wHint, hHint, changed);
    if (size.x == 0) size.x = DEFAULT_WIDTH;
    if (size.y == 0) size.y = DEFAULT_HEIGHT;
  }
  if (wHint != SWT.DEFAULT) size.x = wHint;
  if (hHint != SWT.DEFAULT) size.y = hHint;
  Rectangle trim = DPIUtil.autoScaleUp (computeTrim (0, 0, DPIUtil.autoScaleDown(size.x), DPIUtil.autoScaleDown(size.y)));
  return new Point (trim.width, trim.height);
}

@Override
Point computeSizeInPixels (int wHint, int hHint, boolean changed) {
  checkWidget ();
  display.runSkin();
  if (wHint != SWT.DEFAULT && wHint < 0) wHint = 0;
  if (hHint != SWT.DEFAULT && hHint < 0) hHint = 0;
  Point size;
  if (layout != null) {
    if (wHint == SWT.DEFAULT || hHint == SWT.DEFAULT) {
      changed |= (state & LAYOUT_CHANGED) != 0;
      size = DPIUtil.autoScaleUp(layout.computeSize (this, DPIUtil.autoScaleDown(wHint), DPIUtil.autoScaleDown(hHint), changed));
      state &= ~LAYOUT_CHANGED;
    } else {
      size = new Point (wHint, hHint);
    }
  } else {
    size = minimumSize (wHint, hHint, changed);
    if (size.x == 0) size.x = DEFAULT_WIDTH;
    if (size.y == 0) size.y = DEFAULT_HEIGHT;
  }
  if (wHint != SWT.DEFAULT) size.x = wHint;
  if (hHint != SWT.DEFAULT) size.y = hHint;
  Rectangle trim = DPIUtil.autoScaleUp (computeTrim (0, 0, DPIUtil.autoScaleDown(size.x), DPIUtil.autoScaleDown(size.y)));
  return new Point (trim.width, trim.height);
}

@Override
Point computeSizeInPixels (int wHint, int hHint, boolean changed) {
  checkWidget ();
  display.runSkin();
  if (wHint != SWT.DEFAULT && wHint < 0) wHint = 0;
  if (hHint != SWT.DEFAULT && hHint < 0) hHint = 0;
  Point size;
  if (layout != null) {
    if (wHint == SWT.DEFAULT || hHint == SWT.DEFAULT) {
      changed |= (state & LAYOUT_CHANGED) != 0;
      size = DPIUtil.autoScaleUp(layout.computeSize (this, DPIUtil.autoScaleDown(wHint), DPIUtil.autoScaleDown(hHint), changed));
      state &= ~LAYOUT_CHANGED;
    } else {
      size = new Point (wHint, hHint);
    }
  } else {
    size = minimumSize (wHint, hHint, changed);
    if (size.x == 0) size.x = DEFAULT_WIDTH;
    if (size.y == 0) size.y = DEFAULT_HEIGHT;
  }
  if (wHint != SWT.DEFAULT) size.x = wHint;
  if (hHint != SWT.DEFAULT) size.y = hHint;
  Rectangle trim = DPIUtil.autoScaleUp (computeTrim (0, 0, DPIUtil.autoScaleDown(size.x), DPIUtil.autoScaleDown(size.y)));
  return new Point (trim.width, trim.height);
}

viewerComposite.layout(true);
viewer.getControl().setVisible(true);
viewerHeight = viewerComposite.computeTrim(0, 0, 0, viewerCompositeData.heightHint).height;
detailsButton.setText(ProgressMessages.ProgressMonitorJobsDialog_HideTitle);
shell.setSize(shellSize.x, shellSize.y + viewerHeight);

Popular methods of Composite

setLayout
Sets the layout which is associated with the receiver to be the argument which may be null.
<init>
Constructs a new instance of this class given its parent and a style value describing its behavior a
setLayoutData
layout
Forces a lay out (that is, sets the size and location) of all widgets that are in the parent hierarc
getDisplay
getChildren
Returns a (possibly empty) array containing the receiver's children. Children are returned in the or
getShell
getFont
getLayout
Returns layout which is associated with the receiver, or null if one has not been set.
setFont
getParent
computeSize

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