1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <QTextEdit>
#include <QLineEdit>
#include <QVBoxLayout>
#include <QFontDialog>
#include <QPushButton>
#define private public
#include <qfont.h>
#include <private/qtextengine_p.h>
#include <private/qfontengine_p.h>
#include <qtextlayout.h>
#undef private
class MyEdit : public QTextEdit {
Q_OBJECT
public:
MyEdit(QWidget *p) : QTextEdit(p) { setReadOnly(true); }
public slots:
void setText(const QString &str);
void changeFont();
public:
QLineEdit *lineEdit;
};
void MyEdit::setText(const QString &str)
{
if (str.isEmpty()) {
clear();
return;
}
QTextLayout layout(str, lineEdit->font());
QTextEngine *e = layout.d;
e->itemize();
e->shape(0);
QString result;
result = "Using font '" + e->fontEngine(e->layoutData->items[0])->fontDef.family + "'\n\n";
result += "{ { ";
for (int i = 0; i < str.length(); ++i)
result += "0x" + QString::number(str.at(i).unicode(), 16) + ", ";
result += "0x0 },\n { ";
for (int i = 0; i < e->layoutData->items[0].num_glyphs; ++i)
result += "0x" + QString::number(e->layoutData->glyphPtr[i].glyph, 16) + ", ";
result += "0x0 } }";
setPlainText(result);
}
void MyEdit::changeFont()
{
bool ok;
QFont f = QFontDialog::getFont(&ok, lineEdit->font(), topLevelWidget());
if (ok)
lineEdit->setFont(f);
}
int main(int argc, char **argv)
{
QApplication a(argc, argv);
QWidget *mw = new QWidget(0);
QVBoxLayout *l = new QVBoxLayout(mw);
QLineEdit *le = new QLineEdit(mw);
l->addWidget(le);
MyEdit *view = new MyEdit(mw);
view->lineEdit = le;
l->addWidget(view);
QPushButton *button = new QPushButton("Change Font", mw);
l->addWidget(button);
QObject::connect(le, SIGNAL(textChanged(QString)), view, SLOT(setText(QString)));
QObject::connect(button, SIGNAL(clicked()), view, SLOT(changeFont()));
mw->resize(500, 300);
mw->show();
return a.exec();
}
#include <main.moc>
|
