UrlLineEdit rework

- moved UrlLineEdit to src/addressbar
- added UrlLineEdit::connectWebView
- removed UrlLineEdit::pageAction
- UrlLineEdit restores the text format when losing focus
- Split off completer code into Completer class
- WebPage now displays a warning message box instead on certificate errors

1 files changed, 168 insertions, 0 deletions

diff --git a/src/addressbar/urllineedit.cpp b/src/addressbar/urllineedit.cpp
new file mode 100644
index 0000000..d34fdcb
--- /dev/null
+++ b/src/addressbar/urllineedit.cpp
@@ -0,0 +1,168 @@
+/*
+ * This file is part of smolbote. It's copyrighted by the contributors recorded
+ * in the version control history of the file, available from its original
+ * location: https://neueland.iserlohn-fortress.net/smolbote.hg
+ *
+ * SPDX-License-Identifier: GPL-3.0
+ */
+
+#include "urllineedit.h"
+#include <QLabel>
+#include <QTimer>
+#include <QWidgetAction>
+
+UrlLineEdit::UrlLineEdit(QWidget *parent)
+    : QLineEdit(parent)
+    , m_listView(new Completer(this))
+{
+    setPlaceholderText(tr("Enter address"));
+
+    m_listView->setVisible(false);
+    connect(this, &UrlLineEdit::textEdited, this, &UrlLineEdit::updateCompleter);
+
+    // ssl menu
+    m_sslMenu = new QMenu(this);
+    m_sslLabel = new QLabel(m_sslMenu);
+    QWidgetAction *sslErrorAction = new QWidgetAction(m_sslMenu);
+    sslErrorAction->setDefaultWidget(m_sslLabel);
+    m_sslMenu->addAction(sslErrorAction);
+
+    m_sslAction = addAction(style()->standardIcon(QStyle::SP_DriveNetIcon), QLineEdit::LeadingPosition);
+    m_sslAction->setToolTip(tr("TODO: Display SSL Status popup here"));
+    m_sslAction->setMenu(m_sslMenu);
+
+    connect(m_sslAction, &QAction::triggered, this, [this]() {
+        m_sslMenu->exec(this->mapToGlobal(QPoint(0, height())));
+    });
+
+    m_pageAction = addAction(style()->standardIcon(QStyle::SP_FileIcon), QLineEdit::TrailingPosition);
+    m_pageAction->setShortcut(QKeySequence("F10"));
+    m_pageAction->setToolTip(tr("Page Actions"));
+    connect(m_pageAction, &QAction::triggered, m_pageAction, [&]() {
+        //this->deselect();
+        if(m_pageAction->menu() != nullptr) {
+            m_pageAction->menu()->exec(this->mapToGlobal(QPoint(width(), height())));
+        }
+    });
+
+    QTextCharFormat hostnameFormat;
+    hostnameFormat.setFontWeight(QFont::Bold);
+    m_hostFormat.format = hostnameFormat;
+
+    // connect signals
+    connect(this, &QLineEdit::returnPressed, [this]() {
+        if(this->text().startsWith('#')) {
+            emit searchTermEntered(this->text().mid(1));
+        } else {
+            emit addressEntered(QUrl::fromUserInput(this->text()));
+        }
+        this->clearFocus();
+    });
+}
+
+void UrlLineEdit::setCompleterModel(QAbstractItemModel *model)
+{
+    Q_CHECK_PTR(model);
+    m_bookmarksModel = model;
+}
+
+void UrlLineEdit::connectWebView(WebView *view)
+{
+    Q_CHECK_PTR(view);
+
+    disconnect(urlChangedConnection);
+
+    setUrl(view->url());
+    m_pageAction->setMenu(view->pageMenu());
+
+    urlChangedConnection = connect(view, &WebView::urlChanged, this, &UrlLineEdit::setUrl);
+}
+
+void UrlLineEdit::setUrl(const QUrl &url)
+{
+    QString urlText = url.toString();
+    QString domain = url.host();
+
+    m_hostFormat.start = urlText.indexOf(domain);
+    m_hostFormat.length = domain.length();
+
+    clear();
+    clearTextFormat();
+    setTextFormat(m_hostFormat);
+    setText(urlText);
+}
+
+void UrlLineEdit::showSslError(const QString &message)
+{
+    m_sslLabel->setText(message);
+    m_sslAction->trigger();
+}
+
+void UrlLineEdit::updateCompleter(const QString &text)
+{
+    if(m_bookmarksModel == nullptr) {
+        return;
+    }
+
+    const QModelIndexList res = m_bookmarksModel->match(QModelIndex(), Qt::EditRole, text, 7);
+
+    if(!m_listView->updateItems(res)) {
+        m_listView->hide();
+        return;
+    }
+
+    // positioning
+    m_listView->setFixedWidth(width());
+    m_listView->move(mapToGlobal(QPoint(0, height())));
+    m_listView->show();
+}
+
+void UrlLineEdit::focusInEvent(QFocusEvent *event)
+{
+    clearTextFormat();
+
+    QLineEdit::focusInEvent(event);
+
+    // select the contents when receiving focus
+    // http://stackoverflow.com/a/35725950/1054406
+    // mousePressEvent triggers right after focusInEvent so text selected in focusInEvent unselects by mousePressEvent
+    //QTimer::singleShot(0, this, SLOT(selectAll()));
+}
+
+void UrlLineEdit::focusOutEvent(QFocusEvent *event)
+{
+    setUrl(QUrl::fromUserInput(text()));
+    QLineEdit::focusOutEvent(event);
+}
+
+void UrlLineEdit::keyPressEvent(QKeyEvent *event)
+{
+    if(m_listView->keyPressed(event)) {
+        int key = event->key();
+        QModelIndex currentIndex = m_listView->currentIndex();
+
+        if(key == Qt::Key::Key_Enter || key == Qt::Key_Return) {
+
+            if(currentIndex.isValid()) {
+                setText(currentIndex.data().toString());
+            }
+            m_listView->hide();
+            return;
+        }
+    }
+    QLineEdit::keyPressEvent(event);
+}
+
+// formatting taken from: https://forum.qt.io/topic/60962/setting-qlineedit-text-bold
+void UrlLineEdit::setTextFormat(const QTextLayout::FormatRange &format)
+{
+    QList<QInputMethodEvent::Attribute> attributes;
+    attributes.append(QInputMethodEvent::Attribute(QInputMethodEvent::TextFormat, format.start, format.length, format.format));
+    QInputMethodEvent ev(QString(), attributes);
+    event(&ev);
+}
+
+void UrlLineEdit::clearTextFormat()
+{
+    setTextFormat(QTextLayout::FormatRange());
+}