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comparison demos/browser/toolbarsearch.d @ 45:71b382c10ef6

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add coarse and incomplete QT browser port
author mandel
date Sun, 17 May 2009 18:49:59 +0000
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children 7bfd46c330dc
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44:3cb15c92ac28 45:71b382c10ef6
1 /****************************************************************************
2 **
3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: Qt Software Information (qt-info@nokia.com)
5 **
6 ** This file is part of the demonstration applications of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial Usage
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Nokia.
14 **
15 ** GNU Lesser General Public License Usage
16 ** Alternatively, this file may be used under the terms of the GNU Lesser
17 ** General Public License version 2.1 as published by the Free Software
18 ** Foundation and appearing in the file LICENSE.LGPL included in the
19 ** packaging of this file. Please review the following information to
20 ** ensure the GNU Lesser General Public License version 2.1 requirements
21 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22 **
23 ** In addition, as a special exception, Nokia gives you certain
24 ** additional rights. These rights are described in the Nokia Qt LGPL
25 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26 ** 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 are unsure which license is appropriate for your use, please
37 ** contact the sales department at qt-sales@nokia.com.
38 ** $QT_END_LICENSE$
39 **
40 ****************************************************************************/
41 module toolbarsearch;
42
43 import searchlineedit;
44
45 import autosaver;
46
47 import QtCore.QSettings;
48 import QtCore.QUrl;
49
50 import QtGui.QCompleter;
51 import QtGui.QMenu;
52 import QtGui.QStringListModel;
53
54 import QtWebKit/QWebSettings;
55
56 /*
57 QT_BEGIN_NAMESPACE
58 class QUrl;
59 class QAction;
60 class QStringListModel;
61 QT_END_NAMESPACE
62
63 class AutoSaver;
64 */
65
66 class ToolbarSearch : public SearchLineEdit
67 {
68 Q_OBJECT
69
70 signals:
71 void search(const QUrl &url);
72
73 public:
74
75 /*
76 ToolbarSearch is a very basic search widget that also contains a small history.
77 Searches are turned into urls that use Google to perform search
78 */
79 this(QWidget *parent = null)
80
81 {
82 super(parent)
83 m_autosaver = new AutoSaver(this);
84 m_maxSavedSearches = 10;
85 m_stringListModel = new QStringListModel(this);
86
87 QMenu *m = menu();
88 connect(m, SIGNAL(aboutToShow()), this, SLOT(aboutToShowMenu()));
89 connect(m, SIGNAL(triggered(QAction*)), this, SLOT(triggeredMenuAction(QAction*)));
90
91 QCompleter *completer = new QCompleter(m_stringListModel, this);
92 completer.setCompletionMode(QCompleter::InlineCompletion);
93 lineEdit().setCompleter(completer);
94
95 connect(lineEdit(), SIGNAL(returnPressed()), SLOT(searchNow()));
96 setInactiveText(tr("Google"));
97 load();
98 }
99 ~this()
100 {
101 m_autosaver.saveIfNeccessary();
102 }
103
104 public slots:
105 void clear()
106 {
107 m_stringListModel.setStringList(QStringList());
108 m_autosaver.changeOccurred();;
109 }
110
111 void searchNow()
112 {
113 QString searchText = lineEdit().text();
114 QStringList newList = m_stringListModel.stringList();
115 if (newList.contains(searchText))
116 newList.removeAt(newList.indexOf(searchText));
117 newList.prepend(searchText);
118 if (newList.size() >= m_maxSavedSearches)
119 newList.removeLast();
120
121 QWebSettings *globalSettings = QWebSettings::globalSettings();
122 if (!globalSettings.testAttribute(QWebSettings::PrivateBrowsingEnabled)) {
123 m_stringListModel.setStringList(newList);
124 m_autosaver.changeOccurred();
125 }
126
127 QUrl url(QLatin1String("http://www.google.com/search"));
128 url.addQueryItem(QLatin1String("q"), searchText);
129 url.addQueryItem(QLatin1String("ie"), QLatin1String("UTF-8"));
130 url.addQueryItem(QLatin1String("oe"), QLatin1String("UTF-8"));
131 url.addQueryItem(QLatin1String("client"), QLatin1String("qtdemobrowser"));
132 emit search(url);
133 }
134
135 private slots:
136 void save()
137 {
138 QSettings settings;
139 settings.beginGroup(QLatin1String("toolbarsearch"));
140 settings.setValue(QLatin1String("recentSearches"), m_stringListModel.stringList());
141 settings.setValue(QLatin1String("maximumSaved"), m_maxSavedSearches);
142 settings.endGroup();
143 }
144
145
146 void aboutToShowMenu()
147 {
148 lineEdit().selectAll();
149 QMenu *m = menu();
150 m.clear();
151 QStringList list = m_stringListModel.stringList();
152 if (list.isEmpty()) {
153 m.addAction(tr("No Recent Searches"));
154 return;
155 }
156
157 QAction *recent = m.addAction(tr("Recent Searches"));
158 recent.setEnabled(false);
159 for (int i = 0; i < list.count(); ++i) {
160 QString text = list.at(i);
161 m.addAction(text).setData(text);
162 }
163 m.addSeparator();
164 m.addAction(tr("Clear Recent Searches"), this, SLOT(clear()));
165 }
166
167 void triggeredMenuAction(QAction *action)
168 {
169 QVariant v = action.data();
170 if (v.canConvert<QString>()) {
171 QString text = v.toString();
172 lineEdit().setText(text);
173 searchNow();
174 }
175 }
176
177 private:
178 void load()
179 {
180 QSettings settings;
181 settings.beginGroup(QLatin1String("toolbarsearch"));
182 QStringList list = settings.value(QLatin1String("recentSearches")).toStringList();
183 m_maxSavedSearches = settings.value(QLatin1String("maximumSaved"), m_maxSavedSearches).toInt();
184 m_stringListModel.setStringList(list);
185 settings.endGroup();
186 }
187
188 AutoSaver *m_autosaver;
189 int m_maxSavedSearches;
190 QStringListModel *m_stringListModel;
191 }