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******************************************************************************/ |
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******************************************************************************/ |
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package org.eclipse.swt.widgets; |
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package org.eclipse.swt.widgets; |
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import org.eclipse.swt.SWT; |
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import org.eclipse.swt.SWTException; |
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import org.eclipse.swt.graphics.Rectangle; |
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import org.eclipse.swt.graphics.Rectangle; |
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/** |
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/** |
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*/ |
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*/ |
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public Scrollable( final Composite parent, final int style ) { |
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public Scrollable( final Composite parent, final int style ) { |
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super( parent, style ); |
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super( parent, style ); |
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createScrollBars( style ); |
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} |
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} |
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/** |
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/** |
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*/ |
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*/ |
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public ScrollBar getHorizontalBar() { |
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public ScrollBar getHorizontalBar() { |
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checkWidget(); |
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checkWidget(); |
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/* [austin] - Subclasses should override. Default implementation returns null, |
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return horizontalBar; |
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but this should eventually provide the scrollbars for subtypes as in SWT. */ |
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return null; |
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} |
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} |
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/** |
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/** |
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*/ |
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*/ |
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public ScrollBar getVerticalBar() { |
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public ScrollBar getVerticalBar() { |
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checkWidget(); |
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checkWidget(); |
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/* [austin] - Subclasses should override. Default implementation returns null, |
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return verticalBar; |
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but this should eventually provide the scrollbars for subtypes as in SWT. */ |
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return null; |
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} |
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} |
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int getVScrollBarWidth() { |
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int getVScrollBarWidth() { |
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//subclasses may override |
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//subclasses may override |
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return 0; |
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return 0; |
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} |
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} |
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private ScrollBar horizontalBar; |
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private ScrollBar verticalBar; |
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private void createScrollBars( final int style ) { |
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if( ( style & SWT.H_SCROLL ) != 0 ) { |
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horizontalBar = new ScrollBar( this, SWT.H_SCROLL ); |
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horizontalBar.setVisible( false ); |
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} |
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if( ( style & SWT.V_SCROLL ) != 0 ) { |
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verticalBar = new ScrollBar( this, SWT.V_SCROLL ); |
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verticalBar.setVisible( false ); |
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} |
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} |
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} |
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} |
