protected Point computeSize(Composite composite, int wHint, int hHint, boolean flushCache) { CoolScrolledComposite sc = (CoolScrolledComposite) composite.getParent(); Point size = new Point(DEFAULT_WIDTH, DEFAULT_HEIGHT); if (sc.content != null) { Point preferredSize = sc.content.computeSize(wHint, hHint, flushCache); Point currentSize = sc.content.getSize(); size.x = sc.getExpandHorizontal() ? preferredSize.x : currentSize.x; size.y = sc.getExpandVertical() ? preferredSize.y : currentSize.y; } size.x = Math.max(size.x, sc.minWidth); size.y = Math.max(size.y, sc.minHeight); if (wHint != SWT.DEFAULT) size.x = wHint; if (hHint != SWT.DEFAULT) size.y = hHint; return size; }
protected void layout(Composite composite, boolean flushCache) { if (inLayout) return; CoolScrolledComposite sc = (CoolScrolledComposite) composite.getParent(); if (sc.content == null) return; CoolScrollBar horizontalBar = sc.horizontalBar; CoolScrollBar verticalBar = sc.verticalBar; if (horizontalBar.getSize().y >= sc.getSize().y) { return; } if (verticalBar.getSize().x >= sc.getSize().x) { return; } inLayout = true; Rectangle contentRect = sc.content.getBounds(); Rectangle hostRect = composite.getClientArea(); if (sc.expandHorizontal) { contentRect.width = Math.max(sc.minWidth, hostRect.width); } if (sc.expandVertical) { contentRect.height = Math.max(sc.minHeight, hostRect.height); } horizontalBar.setRunnerSize(contentRect.width, hostRect.width); float hPosition = horizontalBar.getPosition(); if (hPosition > 0) contentRect.x = (int) -hPosition; verticalBar.setRunnerSize(contentRect.height, hostRect.height); float vPosition = verticalBar.getPosition(); if (vPosition > 0) contentRect.x = (int) -vPosition; sc.content.setBounds(contentRect); inLayout = false; }