| /******************************************************************************* |
| * Copyright (c) 2000, 2006 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.internal.theme; |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.graphics.*; |
| |
| public class Theme { |
| Device device; |
| |
| public Theme(Device device) { |
| this.device = device; |
| } |
| |
| void checkTheme() { |
| if (isDisposed()) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED); |
| } |
| |
| public Rectangle computeTrim(GC gc, DrawData data) { |
| if (gc == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (data == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (gc.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); |
| return data.computeTrim(this, gc); |
| } |
| |
| public void dispose () { |
| device = null; |
| } |
| |
| public void drawBackground(GC gc, Rectangle bounds, DrawData data) { |
| checkTheme(); |
| if (gc == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (bounds == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (data == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (gc.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); |
| data.draw(this, gc, bounds); |
| } |
| |
| public void drawFocus(GC gc, Rectangle bounds, DrawData data) { |
| checkTheme(); |
| if (gc == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (bounds == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (data == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (gc.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); |
| gc.drawFocus(bounds.x, bounds.y, bounds.width, bounds.height); |
| } |
| |
| public void drawImage(GC gc, Rectangle bounds, DrawData data, Image image, int flags) { |
| checkTheme(); |
| if (gc == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (bounds == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (data == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (image == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (gc.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); |
| data.drawImage(this, image, gc, bounds); |
| } |
| |
| public void drawText(GC gc, Rectangle bounds, DrawData data, String text, int flags) { |
| checkTheme(); |
| if (gc == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (bounds == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (data == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (text == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (gc.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); |
| data.drawText(this, text, flags, gc, bounds); |
| } |
| |
| public Rectangle getBounds(int part, Rectangle bounds, DrawData data) { |
| checkTheme(); |
| if (bounds == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (data == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| return data.getBounds(part, bounds); |
| } |
| |
| public int getSelection(Point offset, Rectangle bounds, RangeDrawData data) { |
| checkTheme(); |
| if (offset == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (bounds == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (data == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| return data.getSelection(offset, bounds); |
| } |
| |
| public int hitBackground(Point position, Rectangle bounds, DrawData data) { |
| checkTheme(); |
| if (position == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (bounds == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (data == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| return data.hit(this, position, bounds); |
| } |
| |
| public boolean isDisposed() { |
| return device == null; |
| } |
| |
| public Rectangle measureText(GC gc, Rectangle bounds, DrawData data, String text, int flags) { |
| checkTheme(); |
| if (gc == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (data == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (text == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (gc.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); |
| return data.measureText(this, text, flags, gc, bounds); |
| } |
| } |