summaryrefslogtreecommitdiffstats
path: root/examples/network/googlesuggest/googlesuggest.cpp
diff options
context:
space:
mode:
authorMårten Nordheim <[email protected]>2023-01-25 11:56:21 +0100
committerMårten Nordheim <[email protected]>2023-02-14 17:48:09 +0100
commit21453410713650a97a074a8f3d78afbb4c70e6b3 (patch)
tree15ff591898219254a9de978c206fdcc9f0d2fc3b /examples/network/googlesuggest/googlesuggest.cpp
parentc20336fe03fe7f1fabe4d1515bb1b1039843f652 (diff)
Delete googlesuggest
As a networking example it doesn't contribute much. But it has some interesting uses of widget/events Pick-to: 6.5 Change-Id: I194d32e6a304ae41819c20751e9f1ee1d9b5abdb Reviewed-by: Konrad Kujawa <[email protected]> Reviewed-by: Timur Pocheptsov <[email protected]> Reviewed-by: Alex Blasche <[email protected]>
Diffstat (limited to 'examples/network/googlesuggest/googlesuggest.cpp')
-rw-r--r--examples/network/googlesuggest/googlesuggest.cpp184
1 files changed, 0 insertions, 184 deletions
diff --git a/examples/network/googlesuggest/googlesuggest.cpp b/examples/network/googlesuggest/googlesuggest.cpp
deleted file mode 100644
index b8cb5892626..00000000000
--- a/examples/network/googlesuggest/googlesuggest.cpp
+++ /dev/null
@@ -1,184 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
-
-#include "googlesuggest.h"
-
-//! [1]
-const QString gsuggestUrl(QStringLiteral("http://google.com/complete/search?output=toolbar&q=%1"));
-//! [1]
-
-//! [2]
-GSuggestCompletion::GSuggestCompletion(QLineEdit *parent): QObject(parent), editor(parent)
-{
- popup = new QTreeWidget;
- popup->setWindowFlags(Qt::Popup);
- popup->setFocusPolicy(Qt::NoFocus);
- popup->setFocusProxy(parent);
- popup->setMouseTracking(true);
-
- popup->setColumnCount(1);
- popup->setUniformRowHeights(true);
- popup->setRootIsDecorated(false);
- popup->setEditTriggers(QTreeWidget::NoEditTriggers);
- popup->setSelectionBehavior(QTreeWidget::SelectRows);
- popup->setFrameStyle(QFrame::Box | QFrame::Plain);
- popup->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
- popup->header()->hide();
-
- popup->installEventFilter(this);
-
- connect(popup, &QTreeWidget::itemClicked,
- this, &GSuggestCompletion::doneCompletion);
-
- timer.setSingleShot(true);
- timer.setInterval(500);
- connect(&timer, &QTimer::timeout,
- this, &GSuggestCompletion::autoSuggest);
- connect(editor, &QLineEdit::textEdited,
- &timer, QOverload<>::of(&QTimer::start));
-
- connect(&networkManager, &QNetworkAccessManager::finished,
- this, &GSuggestCompletion::handleNetworkData);
-
-}
-//! [2]
-
-//! [3]
-GSuggestCompletion::~GSuggestCompletion()
-{
- delete popup;
-}
-//! [3]
-
-//! [4]
-bool GSuggestCompletion::eventFilter(QObject *obj, QEvent *ev)
-{
- if (obj != popup)
- return false;
-
- if (ev->type() == QEvent::MouseButtonPress) {
- popup->hide();
- editor->setFocus();
- return true;
- }
-
- if (ev->type() == QEvent::KeyPress) {
- bool consumed = false;
- int key = static_cast<QKeyEvent*>(ev)->key();
- switch (key) {
- case Qt::Key_Enter:
- case Qt::Key_Return:
- doneCompletion();
- consumed = true;
- break;
-
- case Qt::Key_Escape:
- editor->setFocus();
- popup->hide();
- consumed = true;
- break;
-
- case Qt::Key_Up:
- case Qt::Key_Down:
- case Qt::Key_Home:
- case Qt::Key_End:
- case Qt::Key_PageUp:
- case Qt::Key_PageDown:
- break;
-
- default:
- editor->setFocus();
- editor->event(ev);
- popup->hide();
- break;
- }
-
- return consumed;
- }
-
- return false;
-}
-//! [4]
-
-//! [5]
-void GSuggestCompletion::showCompletion(const QList<QString> &choices)
-{
- if (choices.isEmpty())
- return;
-
- const QPalette &pal = editor->palette();
- QColor color = pal.color(QPalette::Disabled, QPalette::WindowText);
-
- popup->setUpdatesEnabled(false);
- popup->clear();
-
- for (const auto &choice : choices) {
- auto item = new QTreeWidgetItem(popup);
- item->setText(0, choice);
- item->setForeground(0, color);
- }
-
- popup->setCurrentItem(popup->topLevelItem(0));
- popup->resizeColumnToContents(0);
- popup->setUpdatesEnabled(true);
-
- popup->move(editor->mapToGlobal(QPoint(0, editor->height())));
- popup->setFocus();
- popup->show();
-}
-//! [5]
-
-//! [6]
-void GSuggestCompletion::doneCompletion()
-{
- timer.stop();
- popup->hide();
- editor->setFocus();
- QTreeWidgetItem *item = popup->currentItem();
- if (item) {
- editor->setText(item->text(0));
- QMetaObject::invokeMethod(editor, "returnPressed");
- }
-}
-//! [6]
-
-//! [7]
-void GSuggestCompletion::autoSuggest()
-{
- QString str = editor->text();
- QString url = gsuggestUrl.arg(str);
- networkManager.get(QNetworkRequest(url));
-}
-//! [7]
-
-//! [8]
-void GSuggestCompletion::preventSuggest()
-{
- timer.stop();
-}
-//! [8]
-
-//! [9]
-void GSuggestCompletion::handleNetworkData(QNetworkReply *networkReply)
-{
- QUrl url = networkReply->url();
- if (networkReply->error() == QNetworkReply::NoError) {
- QList<QString> choices;
-
- QByteArray response(networkReply->readAll());
- QXmlStreamReader xml(response);
- while (!xml.atEnd()) {
- xml.readNext();
- if (xml.tokenType() == QXmlStreamReader::StartElement)
- if (xml.name() == u"suggestion") {
- auto str = xml.attributes().value("data");
- choices << str.toString();
- }
- }
-
- showCompletion(choices);
- }
-
- networkReply->deleteLater();
-}
-//! [9]