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Java > Open Source Codes > org > eclipse > swt > internal > theme > ExpanderDrawData


1 /*******************************************************************************
2  * Copyright (c) 2000, 2006 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.swt.internal.theme;
12
13 import org.eclipse.swt.*;
14 import org.eclipse.swt.graphics.*;
15 import org.eclipse.swt.internal.win32.*;
16
17 public class ExpanderDrawData extends DrawData {
18     
19 public ExpanderDrawData() {
20     state = new int[1];
21 }
22
23 void draw(Theme theme, GC gc, Rectangle bounds) {
24     if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
25         int hTheme = OS.OpenThemeData(0, getClassId());
26         int iStateId = OS.GLPS_CLOSED;
27         if ((this.style & SWT.DOWN) != 0) iStateId = OS.GLPS_OPENED;
28         SIZE size = new SIZE();
29         OS.GetThemePartSize(hTheme, gc.handle, OS.TVP_GLYPH, iStateId, null, OS.TS_TRUE, size);
30         RECT rect = new RECT ();
31         rect.left = bounds.x;
32         rect.right = rect.left + size.cx;
33         rect.top = bounds.y;
34         rect.bottom = rect.top + size.cy;
35         OS.DrawThemeBackground (hTheme, gc.handle, OS.TVP_GLYPH, iStateId, rect, null);
36         OS.CloseThemeData (hTheme);
37     }
38 }
39
40 char[] getClassId() {
41     return TREEVIEW;
42 }
43
44 int[] getPartId(int part) {
45     int iPartId = OS.TVP_GLYPH;
46     int iStateId = OS.GLPS_CLOSED;
47     if ((this.style & SWT.DOWN) != 0) iStateId = OS.GLPS_OPENED;
48     return new int[]{iPartId, iStateId};
49 }
50
51 int hit(Theme theme, Point position, Rectangle bounds) {
52     if (!(OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ())) return DrawData.WIDGET_NOWHERE;
53     if (!bounds.contains(position)) return DrawData.WIDGET_NOWHERE;
54     int hTheme = OS.OpenThemeData(0, getClassId());
55     SIZE size = new SIZE();
56     int[] part = getPartId(DrawData.WIDGET_WHOLE);
57     OS.GetThemePartSize(hTheme, 0, part[0], part[1], null, OS.TS_TRUE, size);
58     OS.CloseThemeData (hTheme);
59     if (new Rectangle(bounds.x, bounds.y, size.cx, size.cy).contains(position)) {
60         return DrawData.WIDGET_WHOLE;
61     }
62     return DrawData.WIDGET_NOWHERE;
63 }
64
65 }
66
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