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comparison dwtx/ui/internal/forms/widgets/ParagraphSegment.d @ 75:5d489b9f966c

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Fix continue porting
author Frank Benoit <benoit@tionex.de>
date Sat, 24 May 2008 05:11:16 +0200
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children 04b47443bb01
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74:dad2e11b8ae4 75:5d489b9f966c
1 /*******************************************************************************
2 * Copyright (c) 2000, 2007 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 * Port to the D programming language:
11 * Frank Benoit <benoit@tionex.de>
12 *******************************************************************************/
13 module dwtx.ui.internal.forms.widgets.ParagraphSegment;
14
15 import dwtx.ui.internal.forms.widgets.Locator;
16 import dwtx.ui.internal.forms.widgets.SelectionData;
17
18 import dwt.graphics.GC;
19 import dwt.graphics.Rectangle;
20
21 import dwt.dwthelper.utils;
22
23 import tango.util.collection.HashMap;
24
25 /**
26 * @version 1.0
27 * @author
28 */
29 public abstract class ParagraphSegment {
30
31 alias HashMap!(String,Object) Hashtable;
32 /**
33 * Moves the locator according to the content of this segment.
34 * @param gc
35 * @param wHint
36 * @param loc
37 * @param objectTable
38 * @param computeHeightOnly
39 * @return <code>true</code> if text wrapped to the new line, <code>false</code> otherwise.
40 */
41 public abstract bool advanceLocator(GC gc, int wHint, Locator loc, Hashtable objectTable, bool computeHeightOnly);
42 /**
43 * Computes bounding rectangles and row heights of this segments.
44 * @param gc
45 * @param width
46 * @param loc
47 * @param resourceTable
48 * @param selected
49 */
50 public abstract void layout(GC gc, int width, Locator loc, Hashtable resourceTable, bool selected);
51 /**
52 * Paints this segment.
53 * @param gc
54 * @param hover
55 * @param resourceTable
56 * @param selected
57 * @param selData
58 * @param region
59 */
60 public abstract void paint(GC gc, bool hover, Hashtable resourceTable, bool selected, SelectionData selData, Rectangle region);
61 /**
62 * Paints this segment.
63 * @param gc
64 * @param resourceTable
65 * @param selData
66 */
67 public abstract void computeSelection(GC gc, Hashtable resourceTable, SelectionData selData);
68 /**
69 * Tests if the coordinates are contained in one of the
70 * bounding rectangles of this segment.
71 * @param x
72 * @param y
73 * @return true if inside the bounding rectangle, false otherwise.
74 */
75 public abstract bool contains(int x, int y);
76 /**
77 * Tests if the source rectangle intersects with
78 * one of the bounding rectangles of this segment.
79 * @param rect
80 * @return true if the two rectangles intersect, false otherwise.
81 */
82 public abstract bool intersects(Rectangle rect);
83 /**
84 * Returns the tool tip of this segment or <code>null</code>
85 * if not defined.
86 * @return tooltip or <code>null</code>.
87 */
88 public String getTooltipText() {
89 return null;
90 }
91 /**
92 * Clears the text metrics cache for the provided font id.
93 * @param fontId the id of the font that the cache is kept for.
94 *
95 */
96 public void clearCache(String fontId) {
97 }
98 }