From f3a4607d6a722a862af0eb9747a15dcdf624b6fb Mon Sep 17 00:00:00 2001
From: Aqua-sama <aqua@iserlohn-fortress.net>
Date: Sun, 3 Nov 2019 00:18:10 +0200
Subject: Drop boost dependency

- wrote not-invented-here config file parser and conf class
- spent obscene amount of time plugging in said conf class
---
 src/mainwindow/widgets/urllineedit.cpp | 157 +++++++++++++++++++++++++++++++++
 1 file changed, 157 insertions(+)
 create mode 100644 src/mainwindow/widgets/urllineedit.cpp

(limited to 'src/mainwindow/widgets/urllineedit.cpp')

diff --git a/src/mainwindow/widgets/urllineedit.cpp b/src/mainwindow/widgets/urllineedit.cpp
new file mode 100644
index 0000000..378945f
--- /dev/null
+++ b/src/mainwindow/widgets/urllineedit.cpp
@@ -0,0 +1,157 @@
+/*
+ * 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/gitea/aqua/smolbote
+ *
+ * SPDX-License-Identifier: GPL-3.0
+ */
+
+#include "urllineedit.h"
+#include <QMenu>
+#include <QShortcut>
+#include <QApplication>
+#include <QClipboard>
+#include "../addressbar.h"
+
+UrlLineEdit::UrlLineEdit(QWidget *parent)
+    : QLineEdit(parent)
+    , m_listView(new Completer(this))
+{
+    setObjectName("UrlBar");
+    setPlaceholderText(tr("Enter address"));
+
+    m_listView->setVisible(false);
+    connect(m_listView, &Completer::completionActivated, this, &UrlLineEdit::setText);
+
+    addressbar = qobject_cast<AddressBar *>(parent);
+    Q_CHECK_PTR(addressbar);
+
+    auto *copyAction = new QAction(tr("Copy URL"), this);
+    connect(copyAction, &QAction::triggered, this, [this]() {
+        qApp->clipboard()->setText(this->text());
+    });
+    actions.append(copyAction);
+
+    auto *pasteAction = new QAction(tr("Paste URL"), this);
+    connect(pasteAction, &QAction::triggered, this, [this]() {
+        this->setText(qApp->clipboard()->text());
+        this->setFocus();
+    });
+    actions.append(pasteAction);
+
+    auto *loadAction = new QAction(tr("Paste and load"), this);
+    connect(loadAction, &QAction::triggered, this, [=]() {
+        emit addressbar->load(QUrl::fromUserInput(qApp->clipboard()->text()));
+    });
+    actions.append(loadAction);
+
+    auto *searchAction = new QAction(tr("Paste and search"), this);
+    connect(searchAction, &QAction::triggered, this, [=]() {
+        emit addressbar->search(qApp->clipboard()->text());
+    });
+    actions.append(searchAction);
+
+    menuAction = addAction(style()->standardIcon(QStyle::SP_DriveNetIcon), QLineEdit::LeadingPosition);
+    connect(menuAction, &QAction::triggered, this, [this]() {
+        auto *menu = new QMenu();
+        menu->setAttribute(Qt::WA_DeleteOnClose, true);
+        menu->setMinimumWidth(240);
+        menu->addActions(actions);
+
+        menu->exec(this->mapToGlobal(QPoint(0, height())));
+    });
+
+    auto *goAction = addAction(style()->standardIcon(QStyle::SP_DialogOkButton), QLineEdit::TrailingPosition);
+    connect(goAction, &QAction::triggered, this, [this]() {
+        emit returnPressed();
+    });
+
+    QTextCharFormat hostnameFormat;
+    hostnameFormat.setFontWeight(QFont::Bold);
+    m_hostFormat.format = hostnameFormat;
+}
+
+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::updateCompleter(const QStringList &l)
+{
+    if(!m_listView->updateItems(l)) {
+        m_listView->hide();
+        return;
+    }
+
+    // positioning
+    m_listView->setFixedWidth(width());
+    m_listView->move(mapToGlobal(QPoint(0, height())));
+    m_listView->show();
+}
+
+void UrlLineEdit::focusInEvent(QFocusEvent *event)
+{
+    // a context menu event also causes a focusInEvent, so if text is selected
+    // skip the formatting step
+    if(event->reason() == Qt::PopupFocusReason) {
+        QLineEdit::focusInEvent(event);
+        return;
+    }
+
+    clearTextFormat();
+    QLineEdit::focusInEvent(event);
+}
+
+void UrlLineEdit::focusOutEvent(QFocusEvent *event)
+{
+    // a context menu event causes a focusOutEvent, and setUrl will clear the
+    // selection, and this would prevent the menu from working properly
+    if(event->reason() == Qt::PopupFocusReason) {
+        QLineEdit::focusOutEvent(event);
+        return;
+    }
+
+    const QUrl url = QUrl::fromUserInput(text());
+    if(url.isValid())
+        setUrl(url);
+
+    emit addressbar->giveFocus();
+    QLineEdit::focusOutEvent(event);
+}
+
+void UrlLineEdit::keyPressEvent(QKeyEvent *event)
+{
+    if(m_listView->keyPressed(event)) {
+        event->accept();
+        return;
+    } else if(event->key() == Qt::Key::Key_Escape) {
+        clearFocus();
+        event->accept();
+        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());
+}
-- 
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