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comparison dwtx/ui/internal/forms/widgets/TextSegment.d @ 90:7ffeace6c47f

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Update 3.4M7 to 3.4
author Frank Benoit <benoit@tionex.de>
date Sun, 06 Jul 2008 23:30:07 +0200
parents 26c6c9dfd13c
children 11e8159caf7a
comparison
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89:040da1cb0d76 90:7ffeace6c47f
1 /******************************************************************************* 1 /*******************************************************************************
2 * Copyright (c) 2000, 2007 IBM Corporation and others. 2 * Copyright (c) 2000, 2008 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials 3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0 4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at 5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html 6 * http://www.eclipse.org/legal/epl-v10.html
7 * 7 *
15 import dwtx.ui.internal.forms.widgets.ParagraphSegment; 15 import dwtx.ui.internal.forms.widgets.ParagraphSegment;
16 import dwtx.ui.internal.forms.widgets.Locator; 16 import dwtx.ui.internal.forms.widgets.Locator;
17 import dwtx.ui.internal.forms.widgets.SelectionData; 17 import dwtx.ui.internal.forms.widgets.SelectionData;
18 import dwtx.ui.internal.forms.widgets.FormTextModel; 18 import dwtx.ui.internal.forms.widgets.FormTextModel;
19 19
20 // import com.ibm.icu.text.BreakIterator;
21
20 import dwt.DWT; 22 import dwt.DWT;
21 import dwt.graphics.Color; 23 import dwt.graphics.Color;
22 import dwt.graphics.Font; 24 import dwt.graphics.Font;
23 import dwt.graphics.FontMetrics; 25 import dwt.graphics.FontMetrics;
24 import dwt.graphics.GC; 26 import dwt.graphics.GC;
25 import dwt.graphics.Point; 27 import dwt.graphics.Point;
26 import dwt.graphics.Rectangle; 28 import dwt.graphics.Rectangle;
27 29
28 import dwt.dwthelper.utils; 30 import dwt.dwthelper.utils;
31 // import mango.icu.ULocale;
32 // import mango.icu.UString;
33 // import mango.icu.UBreakIterator;
34 import dwtx.dwtxhelper.BreakIterator;
29 import tango.util.collection.ArraySeq; 35 import tango.util.collection.ArraySeq;
30 36
31 /** 37 /**
32 * @version 1.0 38 * @version 1.0
33 * @author 39 * @author
34 */ 40 */
35 public class TextSegment : ParagraphSegment { 41 public class TextSegment : ParagraphSegment {
36 42
37 //DWT_TODO temp type
38 static class BreakIterator{
39
40 public static const int DONE = 0;
41
42 public static BreakIterator getLineInstance() {
43 // TODO Auto-generated method stub
44 return null;
45 }
46
47 public void setText(String text) {
48 // TODO Auto-generated method stub
49
50 }
51
52 public int first() {
53 // TODO Auto-generated method stub
54 return 0;
55 }
56
57 public int next() {
58 // TODO Auto-generated method stub
59 return 0;
60 }
61
62 }
63 private String colorId; 43 private String colorId;
64 44
65 private String fontId; 45 private String fontId;
66 46
67 private String text; 47 private String text;
302 int currentExtent = locator.x + lineExtent.x; 282 int currentExtent = locator.x + lineExtent.x;
303 283
304 if (isSelectable()) 284 if (isSelectable())
305 currentExtent += 1; 285 currentExtent += 1;
306 286
307 if (i !is 0 && currentExtent + textFragment.length > wHint) { 287 // i !is 0 || locator.x > locator.getStartX() + (isSelectable() ? 1 : 0) means:
288 // only wrap on the first fragment if we are not at the start of a line
289 if ((i !is 0 || locator.x > locator.getStartX() + (isSelectable() ? 1 : 0)) && currentExtent + textFragment.length > wHint) {
308 // overflow 290 // overflow
309 int lineWidth = currentExtent; 291 int lineWidth = currentExtent;
310 locator.rowHeight = Math.max(locator.rowHeight, lineExtent.y); 292 locator.rowHeight = Math.max(locator.rowHeight, lineExtent.y);
311 locator.leading = Math.max(locator.leading, fm.getLeading()); 293 locator.leading = Math.max(locator.leading, fm.getLeading());
312 if (computeHeightOnly) 294 if (computeHeightOnly)
621 if (rolloverMode && !hover) 603 if (rolloverMode && !hover)
622 reverse = true; 604 reverse = true;
623 } 605 }
624 if (reverse) { 606 if (reverse) {
625 drawUnderline(gc, swidth, clipX, clipLineY, hover, rolloverMode); 607 drawUnderline(gc, swidth, clipX, clipLineY, hover, rolloverMode);
626 gc.drawString(s, clipX, clipY, false); 608 drawString(gc, s, clipX, clipY);
627 } else { 609 } else {
628 gc.drawString(s, clipX, clipY, false); 610 drawString(gc, s, clipX, clipY);
629 drawUnderline(gc, swidth, clipX, clipLineY, hover, rolloverMode); 611 drawUnderline(gc, swidth, clipX, clipLineY, hover, rolloverMode);
630 } 612 }
613 }
614
615 protected void drawString(GC gc, String s, int clipX, int clipY) {
616 gc.drawString(s, clipX, clipY, true);
631 } 617 }
632 618
633 private void drawUnderline(GC gc, int swidth, int x, int y, bool hover, 619 private void drawUnderline(GC gc, int swidth, int x, int y, bool hover,
634 bool rolloverMode) { 620 bool rolloverMode) {
635 if (underline || hover || rolloverMode) { 621 if (underline || hover || rolloverMode) {
680 for (int i = 0; i < textFragments.length; i++) { 666 for (int i = 0; i < textFragments.length; i++) {
681 TextFragment fragment = textFragments[i]; 667 TextFragment fragment = textFragments[i];
682 int breakLoc = fragment.index; 668 int breakLoc = fragment.index;
683 if (breakLoc is 0) 669 if (breakLoc is 0)
684 continue; 670 continue;
685 if (i !is 0 && locator.x + lineExtent.x + fragment.length > rightEdge) { 671 // (i !is 0 || locator.x > locator.getStartX() + (isSelectable() ? 1 : 0)) means:
672 // only wrap on the first fragment if we are not at the start of a line
673 if ((i !is 0 || locator.x > locator.getStartX() + (isSelectable() ? 1 : 0)) && locator.x + lineExtent.x + fragment.length > rightEdge) {
686 // overflow 674 // overflow
687 int lineWidth = locator.x + lineExtent.x; 675 int lineWidth = locator.x + lineExtent.x;
688 if (isSelectable()) 676 if (isSelectable())
689 lineWidth += 1; 677 lineWidth += 1;
690 int ly = locator.getBaseline(lineHeight - fm.getLeading()); 678 int ly = locator.getBaseline(lineHeight - fm.getLeading());
730 718
731 private void computeTextFragments(GC gc) { 719 private void computeTextFragments(GC gc) {
732 if (textFragments !is null) 720 if (textFragments !is null)
733 return; 721 return;
734 ArraySeq!(Object) list = new ArraySeq!(Object); 722 ArraySeq!(Object) list = new ArraySeq!(Object);
735 BreakIterator wb = BreakIterator.getLineInstance(); 723 auto wb = UBreakIterator.openLineIterator( ULocale.Default, getText() );
736 wb.setText(getText()); 724 scope(exit) wb.close();
737 int cursor = 0; 725 int cursor = 0;
738 for (int loc = wb.first(); loc !is BreakIterator.DONE; loc = wb.next()) { 726 for (int loc = wb.first(); loc !is UBreakIterator.DONE; loc = wb.next()) {
739 if (loc is 0) 727 if (loc is 0)
740 continue; 728 continue;
741 String word = text.substring(cursor, loc); 729 String word = text.substring(cursor, loc);
742 Point extent = gc.textExtent(word); 730 Point extent = gc.textExtent(word);
743 list.append(new TextFragment(cast(short) loc, cast(short) extent.x)); 731 list.append(new TextFragment(cast(short) loc, cast(short) extent.x));