source: trunk/demos/embedded/flickable/main.cpp@ 561

Last change on this file since 561 was 561, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.1 sources.

  • Property svn:eol-style set to native
File size: 6.9 KB
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1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the demonstration applications of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you have questions regarding the use of this file, please contact
37** Nokia at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include <QtCore>
43#include <QtGui>
44
45#include "flickable.h"
46
47// Returns a list of two-word color names
48static QStringList colorPairs(int max)
49{
50 // capitalize the first letter
51 QStringList colors = QColor::colorNames();
52 colors.removeAll("transparent");
53 int num = colors.count();
54 for (int c = 0; c < num; ++c)
55 colors[c] = colors[c][0].toUpper() + colors[c].mid(1);
56
57 // combine two colors, e.g. "lime skyblue"
58 QStringList combinedColors;
59 for (int i = 0; i < num; ++i)
60 for (int j = 0; j < num; ++j)
61 combinedColors << QString("%1 %2").arg(colors[i]).arg(colors[j]);
62
63 // randomize it
64 colors.clear();
65 while (combinedColors.count()) {
66 int i = qrand() % combinedColors.count();
67 colors << combinedColors[i];
68 combinedColors.removeAt(i);
69 if (colors.count() == max)
70 break;
71 }
72
73 return colors;
74}
75
76class ColorList : public QWidget, public Flickable
77{
78 Q_OBJECT
79
80public:
81 ColorList(QWidget *parent = 0)
82 : QWidget(parent) {
83 m_offset = 0;
84 m_height = QFontMetrics(font()).height() + 5;
85 m_highlight = -1;
86 m_selected = -1;
87
88 QStringList colors = colorPairs(999);
89 for (int i = 0; i < colors.count(); ++i) {
90 QString c = colors[i];
91 QString str;
92 str.sprintf("%4d", i + 1);
93 m_colorNames << (str + " " + c);
94
95 QStringList duet = c.split(' ');