org.eclipse.swt.internal.theme.ProgressBarDrawData Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of org.eclipse.swt.win32.win32.x86 Show documentation

SWT is an open source widget toolkit for Java designed to provide efficient, portable access to the user-interface facilities of the operating systems on which it is implemented.

The newest version!

/*******************************************************************************
 * Copyright (c) 2000, 2012 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.*;
import org.eclipse.swt.internal.win32.*;

public class ProgressBarDrawData extends RangeDrawData {

public ProgressBarDrawData() {
	state = new int[1];
}

void draw(Theme theme, GC gc, Rectangle bounds) {
	if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
		int /*long*/ hTheme = OS.OpenThemeData(0, getClassId());
		RECT rect = new RECT ();
		rect.left = bounds.x;
		rect.right = rect.left + bounds.width;
		rect.top = bounds.y;
		rect.bottom = rect.top + bounds.height;
		int[] buffer = new int[1];
		OS.GetThemeInt(hTheme, 0, 0, OS.PROGRESSCHUNKSIZE, buffer);
		int chunkSize = buffer[0];
		OS.GetThemeInt(hTheme, 0, 0, OS.PROGRESSSPACESIZE, buffer);
		int spaceSize = buffer[0];		
		RECT content = new RECT();
		int[] part = getPartId(DrawData.WIDGET_WHOLE);
		if ((style & SWT.VERTICAL) != 0) {
			OS.GetThemeBackgroundContentRect(hTheme, gc.handle, part[0], part[1], rect, content);
			OS.DrawThemeBackground(hTheme, gc.handle, part[0], part[1], rect, null);
			int top = content.bottom - (((content.bottom - content.top) * (selection - minimum)) / (maximum - minimum));
			content.top = content.bottom - chunkSize;
			while (content.top >= top) {
				OS.DrawThemeBackground(hTheme, gc.handle, OS.PP_CHUNKVERT, 0, content, null);
				content.bottom -= chunkSize + spaceSize;
				content.top = content.bottom - chunkSize;
			}
			if (selection != 0) {
				OS.DrawThemeBackground(hTheme, gc.handle, OS.PP_CHUNKVERT, 0, content, null);
			}
		} else {
			OS.GetThemeBackgroundContentRect(hTheme, gc.handle, part[0], part[1], rect, content);
			OS.DrawThemeBackground(hTheme, gc.handle, part[0], part[1], rect, null);
			int right = content.left + (((content.right - content.left) * (selection - minimum)) / (maximum - minimum));
			content.right = content.left + chunkSize;
			while (content.right <= right) {
				OS.DrawThemeBackground(hTheme, gc.handle, OS.PP_CHUNK, 0, content, null);
				content.left += chunkSize + spaceSize;
				content.right = content.left + chunkSize;
			}
			if (selection != 0) {
				OS.DrawThemeBackground(hTheme, gc.handle, OS.PP_CHUNK, 0, content, null);				
			}
		}
		OS.CloseThemeData (hTheme);
	}
}

char[] getClassId() {
	return PROGRESS;
}

int[] getPartId(int part) {
	int iPartId = 0, iStateId = 0;	
	if ((style & SWT.VERTICAL) != 0) {
		iPartId = OS.PP_BARVERT;
	} else {
		iPartId = OS.PP_BAR;
	}
	return new int[]{iPartId, iStateId};	
}

int hit(Theme theme, Point position, Rectangle bounds) {
	return bounds.contains(position) ? DrawData.WIDGET_WHOLE : DrawData.WIDGET_NOWHERE;
}

}