toolbarsearch.cpp Example File
webkitwidgets/browser/toolbarsearch.cpp
#include "toolbarsearch.h"
#include "autosaver.h"
#include <QtCore/QSettings>
#include <QtCore/QUrl>
#include <QtCore/QUrlQuery>
#include <QtWidgets/QCompleter>
#include <QtWidgets/QMenu>
#include <QtCore/QStringListModel>
#include <QWebSettings>
ToolbarSearch::ToolbarSearch(QWidget *parent)
: SearchLineEdit(parent)
, m_autosaver(new AutoSaver(this))
, m_maxSavedSearches(10)
, m_stringListModel(new QStringListModel(this))
{
QMenu *m = menu();
connect(m, SIGNAL(aboutToShow()), this, SLOT(aboutToShowMenu()));
connect(m, SIGNAL(triggered(QAction*)), this, SLOT(triggeredMenuAction(QAction*)));
QCompleter *completer = new QCompleter(m_stringListModel, this);
completer->setCompletionMode(QCompleter::InlineCompletion);
lineEdit()->setCompleter(completer);
connect(lineEdit(), SIGNAL(returnPressed()), SLOT(searchNow()));
setInactiveText(tr("Google"));
load();
}
ToolbarSearch::~ToolbarSearch()
{
m_autosaver->saveIfNeccessary();
}
void ToolbarSearch::save()
{
QSettings settings;
settings.beginGroup(QLatin1String("toolbarsearch"));
settings.setValue(QLatin1String("recentSearches"), m_stringListModel->stringList());
settings.setValue(QLatin1String("maximumSaved"), m_maxSavedSearches);
settings.endGroup();
}
void ToolbarSearch::load()
{
QSettings settings;
settings.beginGroup(QLatin1String("toolbarsearch"));
QStringList list = settings.value(QLatin1String("recentSearches")).toStringList();
m_maxSavedSearches = settings.value(QLatin1String("maximumSaved"), m_maxSavedSearches).toInt();
m_stringListModel->setStringList(list);
settings.endGroup();
}
void ToolbarSearch::searchNow()
{
QString searchText = lineEdit()->text();
QStringList newList = m_stringListModel->stringList();
if (newList.contains(searchText))
newList.removeAt(newList.indexOf(searchText));
newList.prepend(searchText);
if (newList.size() >= m_maxSavedSearches)
newList.removeLast();
QWebSettings *globalSettings = QWebSettings::globalSettings();
if (!globalSettings->testAttribute(QWebSettings::PrivateBrowsingEnabled)) {
m_stringListModel->setStringList(newList);
m_autosaver->changeOccurred();
}
QUrl url(QLatin1String("http://www.google.com/search"));
QUrlQuery urlQuery;
urlQuery.addQueryItem(QLatin1String("q"), searchText);
urlQuery.addQueryItem(QLatin1String("ie"), QLatin1String("UTF-8"));
urlQuery.addQueryItem(QLatin1String("oe"), QLatin1String("UTF-8"));
urlQuery.addQueryItem(QLatin1String("client"), QLatin1String("qtdemobrowser"));
url.setQuery(urlQuery);
emit search(url);
}
void ToolbarSearch::aboutToShowMenu()
{
lineEdit()->selectAll();
QMenu *m = menu();
m->clear();
QStringList list = m_stringListModel->stringList();
if (list.isEmpty()) {
m->addAction(tr("No Recent Searches"));
return;
}
QAction *recent = m->addAction(tr("Recent Searches"));
recent->setEnabled(false);
for (int i = 0; i < list.count(); ++i) {
QString text = list.at(i);
m->addAction(text)->setData(text);
}
m->addSeparator();
m->addAction(tr("Clear Recent Searches"), this, SLOT(clear()));
}
void ToolbarSearch::triggeredMenuAction(QAction *action)
{
QVariant v = action->data();
if (v.canConvert<QString>()) {
QString text = v.toString();
lineEdit()->setText(text);
searchNow();
}
}
void ToolbarSearch::clear()
{
m_stringListModel->setStringList(QStringList());
m_autosaver->changeOccurred();;
}