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path: root/inputmethods/handwriting/qimpenwordpick.cpp
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1/**********************************************************************
2** Copyright (C) 2000 Trolltech AS. All rights reserved.
3**
4** This file is part of Qtopia Environment.
5**
6** This file may be distributed and/or modified under the terms of the
7** GNU General Public License version 2 as published by the Free Software
8** Foundation and appearing in the file LICENSE.GPL included in the
9** packaging of this file.
10**
11** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
12** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
13**
14** See http://www.trolltech.com/gpl/ for GPL licensing information.
15**
16** Contact info@trolltech.com if any conditions of this licensing are
17** not clear to you.
18**
19**********************************************************************/
20
21#include <qpainter.h>
22#include "qimpenwordpick.h"
23
24QIMPenWordPick::QIMPenWordPick( QWidget *parent, const char *name, WFlags f )
25 : QFrame( parent, name, f )
26{
27 clickWord = -1;
28 setSizePolicy( QSizePolicy( QSizePolicy::Minimum, QSizePolicy::Fixed ) );
29}
30
31void QIMPenWordPick::clear()
32{
33 words.clear();
34 repaint();
35}
36
37QSize QIMPenWordPick::sizeHint() const
38{
39 return QSize( -1, font().pixelSize()+2 );
40}
41
42void QIMPenWordPick::setWords( const QIMPenMatch::MatchWordList &w )
43{
44 words.clear();
45 QListIterator<QIMPenMatch::MatchWord> it( w );
46 for ( ; it.current(); ++it ) {
47 words.append( it.current()->word );
48 }
49 repaint();
50}
51
52int QIMPenWordPick::onWord( QPoint p )
53{
54 int x = 2;
55 int idx = 0;
56 for ( QStringList::Iterator it = words.begin(); it != words.end(); ++it ) {
57 QString word = *it;
58 int w = fontMetrics().width( word );
59 if ( x + w > width() )
60 break;
61 if ( p.x() > x-2 && p.x() < x + w + 2 )
62 return idx;
63 x += w + 5;
64 if ( !idx )
65 x += 3;
66 idx++;
67 }
68
69 return -1;
70}
71
72void QIMPenWordPick::paintEvent( QPaintEvent * )
73{
74 QPainter p(this);
75 int x = 2;
76 int h = p.fontMetrics().ascent() + 1;
77 int idx = 0;
78 for ( QStringList::Iterator it = words.begin(); it != words.end(); ++it ) {
79 QString word = *it;
80 int w = p.fontMetrics().width( word );
81 if ( x + w > width() )
82 break;
83 if ( idx == clickWord ) {
84 p.fillRect( x, 0, w, height(), black );
85 p.setPen( white );
86 } else {
87 p.setPen( colorGroup().text() );
88 }
89 p.drawText( x, h, word );
90 x += w + 5;
91 if ( !idx )
92 x += 3;
93 idx++;
94 }
95}
96
97void QIMPenWordPick::mousePressEvent( QMouseEvent *e )
98{
99 clickWord = onWord( e->pos() );
100 repaint();
101}
102
103void QIMPenWordPick::mouseReleaseEvent( QMouseEvent *e )
104{
105 int wordIdx = onWord( e->pos() );
106 if ( wordIdx >= 0 && wordIdx == clickWord ) {
107 //qDebug( "Clicked %s", words[wordIdx].latin1() );
108 emit wordClicked( words[wordIdx] );
109 }
110 clickWord = -1;
111 repaint();
112}
113