Split off addressbar into lib/

7 files changed, 436 insertions, 0 deletions

diff --git a/lib/addressbar/CMakeLists.txt b/lib/addressbar/CMakeLists.txt
new file mode 100644
index 0000000..1122bc3
--- /dev/null
+++ b/lib/addressbar/CMakeLists.txt
@@ -0,0 +1,21 @@
+# Find includes in corresponding build directories
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+# Instruct CMake to run moc automatically when needed.
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTOUIC ON)
+set(CMAKE_AUTORCC ON)
+
+add_library(addressbar
+    addressbar.cpp
+    addressbar.h
+    completer.cpp
+    completer.h
+    urllineedit.cpp
+    urllineedit.h
+)
+
+#target_include_directories(addressbar
+#    PRIVATE ${Boost_INCLUDE_DIRS})
+
+target_link_libraries(addressbar Qt5::Widgets Qt5::WebEngineWidgets)
diff --git a/lib/addressbar/addressbar.cpp b/lib/addressbar/addressbar.cpp
new file mode 100644
index 0000000..9b3970d
--- /dev/null
+++ b/lib/addressbar/addressbar.cpp
@@ -0,0 +1,94 @@
+/*
+ * 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 "addressbar.h"
+#include "urllineedit.h"
+#include <QWebEngineView>
+#include <QProgressBar>
+#include <QShortcut>
+#include <QVBoxLayout>
+
+AddressBar::AddressBar(const QHash<QString, QString> &config, QWidget *parent)
+    : QWidget(parent)
+{
+    setLayout(new QVBoxLayout());
+    layout()->setContentsMargins(0, 0, 0, 0);
+    layout()->setSpacing(0);
+
+    urlBar = new UrlLineEdit(this);
+    layout()->addWidget(urlBar);
+
+    auto *focusShortcut = new QShortcut(QKeySequence(config.value("addressbar.shortcuts.focus")), parent);
+    connect(focusShortcut, &QShortcut::activated, urlBar, [=]() {
+        urlBar->setFocus();
+        urlBar->selectAll();
+    });
+
+    urlBar->pageMenu_action->setShortcut(QKeySequence(config.value("addressbar.shortcuts.pageMenu")));
+    urlBar->pageMenu_action->setToolTip(tr("Page Actions (%1)").arg(urlBar->pageMenu_action->shortcut().toString()));
+
+    urlBar->toolsMenu_action->setShortcut(QKeySequence(config.value("addressbar.shortcuts.toolsMenu")));
+    urlBar->toolsMenu_action->setToolTip(tr("Tools (%1)").arg(urlBar->toolsMenu_action->shortcut().toString()));
+
+    connect(urlBar, &UrlLineEdit::textEdited, [=](const QString &text) {
+        std::function<void(QStringList &)> callback = std::bind(&UrlLineEdit::updateCompleter, urlBar, std::placeholders::_1);
+        emit complete(text, callback);
+    });
+
+    progressBar = new QProgressBar(this);
+    progressBar->setMaximumHeight(5);
+    progressBar->setTextVisible(false);
+    layout()->addWidget(progressBar);
+}
+
+AddressBar::~AddressBar()
+{
+    disconnect(urlChangedConnection);
+    disconnect(loadUrlConnection);
+    disconnect(progressBarConnection);
+}
+
+void AddressBar::setView(QWebEngineView *view)
+{
+    disconnect(urlChangedConnection);
+    disconnect(loadUrlConnection);
+    disconnect(progressBarConnection);
+
+    progressBar->setValue(100);
+
+    if(view == nullptr) {
+        urlBar->clear();
+        urlBar->pageMenu_action->setMenu(nullptr);
+        urlBar->toolsMenu_action->setMenu(nullptr);
+        return;
+    }
+
+    urlBar->setUrl(view->url());
+    urlChangedConnection = connect(view, &QWebEngineView::urlChanged, urlBar, &UrlLineEdit::setUrl);
+    loadUrlConnection = connect(urlBar, &UrlLineEdit::returnPressed, [=]() {
+        if(urlBar->text().startsWith('#')) {
+            emit search(urlBar->text().mid(1));
+        } else {
+            view->load(QUrl::fromUserInput(urlBar->text()));
+        }
+        view->setFocus();
+    });
+
+    //progressBar->setValue(view->loadProgress());
+    progressBarConnection = connect(view, &QWebEngineView::loadProgress, progressBar, &QProgressBar::setValue);
+}
+
+void AddressBar::setPageMenu(QMenu *menu)
+{
+    urlBar->pageMenu_action->setMenu(menu);
+}
+
+void AddressBar::setToolsMenu(QMenu *menu)
+{
+    urlBar->toolsMenu_action->setMenu(menu);
+}
diff --git a/lib/addressbar/addressbar.h b/lib/addressbar/addressbar.h
new file mode 100644
index 0000000..861f985
--- /dev/null
+++ b/lib/addressbar/addressbar.h
@@ -0,0 +1,44 @@
+/*
+ * 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
+ */
+
+#ifndef SMOLBOTE_ADDRESSBAR_H
+#define SMOLBOTE_ADDRESSBAR_H
+
+#include <QWidget>
+#include <functional>
+
+class QWebEngineView;
+class UrlLineEdit;
+class QProgressBar;
+class QMenu;
+class AddressBar : public QWidget
+{
+    Q_OBJECT
+
+public:
+    AddressBar(const QHash<QString, QString> &config, QWidget *parent = nullptr);
+    ~AddressBar() override;
+
+signals:
+    void complete(const QString &term, std::function<void(QStringList &)> callback);
+    void search(const QString &term);
+
+public slots:
+    void setView(QWebEngineView *view);
+    void setPageMenu(QMenu *menu);
+    void setToolsMenu(QMenu *menu);
+
+private:
+    UrlLineEdit *urlBar;
+    QProgressBar *progressBar;
+
+    QMetaObject::Connection urlChangedConnection, loadUrlConnection;
+    QMetaObject::Connection progressBarConnection;
+};
+
+#endif // SMOLBOTE_ADDRESSBAR_H
diff --git a/lib/addressbar/completer.cpp b/lib/addressbar/completer.cpp
new file mode 100644
index 0000000..9b95ac0
--- /dev/null
+++ b/lib/addressbar/completer.cpp
@@ -0,0 +1,68 @@
+/*
+ * 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 "completer.h"
+#include <QKeyEvent>
+
+Completer::Completer(QWidget *parent)
+    : QListView(parent)
+{
+    setWindowFlags(Qt::ToolTip);
+}
+
+bool Completer::updateItems(const QStringList &list)
+{
+    if(list.isEmpty())
+        return false;
+
+    auto *model = new QStringListModel(list, this);
+    setModel(model);
+
+    delete completionModel;
+    completionModel = model;
+
+    return true;
+}
+
+bool Completer::keyPressed(QKeyEvent *event)
+{
+    if(isHidden())
+        return false;
+
+    Q_CHECK_PTR(completionModel);
+
+    int count = completionModel->rowCount();
+    const QModelIndex currentIndex = this->currentIndex();
+
+    switch(event->key()) {
+    case Qt::Key_Down:
+        if(currentIndex.row() + 1 >= count) {
+            setCurrentIndex(completionModel->index(0, 0));
+        } else {
+            setCurrentIndex(completionModel->index(currentIndex.row() + 1, 0));
+        }
+        break;
+
+    case Qt::Key_Up:
+        if(currentIndex.row() == 0) {
+            setCurrentIndex(completionModel->index(count - 1, 0));
+        } else {
+            setCurrentIndex(completionModel->index(currentIndex.row() - 1, 0));
+        }
+        break;
+
+    case Qt::Key_Escape:
+        hide();
+        break;
+
+    default:
+        break;
+    }
+
+    return true;
+}
diff --git a/lib/addressbar/completer.h b/lib/addressbar/completer.h
new file mode 100644
index 0000000..03ff317
--- /dev/null
+++ b/lib/addressbar/completer.h
@@ -0,0 +1,32 @@
+/*
+ * 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
+ */
+
+#ifndef SMOLBOTE_COMPLETER_H
+#define SMOLBOTE_COMPLETER_H
+
+#include <QListView>
+#include <QStringListModel>
+#include <QTreeWidgetItem>
+
+class Completer : public QListView
+{
+
+    Q_OBJECT
+
+public:
+    explicit Completer(QWidget *parent = nullptr);
+
+    bool updateItems(const QStringList &list);
+
+    bool keyPressed(QKeyEvent *event);
+
+private:
+    QStringListModel *completionModel = nullptr;
+};
+
+#endif //SMOLBOTE_COMPLETER_H
diff --git a/lib/addressbar/urllineedit.cpp b/lib/addressbar/urllineedit.cpp
new file mode 100644
index 0000000..27acf60
--- /dev/null
+++ b/lib/addressbar/urllineedit.cpp
@@ -0,0 +1,126 @@
+/*
+ * 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 <QMenu>
+#include <QShortcut>
+#include <QTimer>
+#include <QWidgetAction>
+
+UrlLineEdit::UrlLineEdit(QWidget *parent)
+    : QLineEdit(parent)
+    , m_listView(new Completer(this))
+{
+    setPlaceholderText(tr("Enter address"));
+
+    m_listView->setVisible(false);
+
+    pageMenu_action = addAction(style()->standardIcon(QStyle::SP_DriveNetIcon), QLineEdit::LeadingPosition);
+    connect(pageMenu_action, &QAction::triggered, pageMenu_action, [&]() {
+        if(pageMenu_action->menu()) {
+            pageMenu_action->menu()->exec(this->mapToGlobal(QPoint(0, height())));
+        }
+    });
+
+    toolsMenu_action = addAction(style()->standardIcon(QStyle::SP_FileIcon), QLineEdit::TrailingPosition);
+    connect(toolsMenu_action, &QAction::triggered, toolsMenu_action, [&]() {
+        if(toolsMenu_action->menu()) {
+            toolsMenu_action->menu()->exec(this->mapToGlobal(QPoint(width(), height())));
+        }
+    });
+
+    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)
+{
+    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)
+{
+    if(!text().startsWith('#'))
+        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();
+            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());
+}
diff --git a/lib/addressbar/urllineedit.h b/lib/addressbar/urllineedit.h
new file mode 100644
index 0000000..f27addc
--- /dev/null
+++ b/lib/addressbar/urllineedit.h
@@ -0,0 +1,51 @@
+/*
+ * 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
+ */
+
+#ifndef SMOLBOTE_URLLINEEDIT_H
+#define SMOLBOTE_URLLINEEDIT_H
+
+#include "completer.h"
+#include <QAction>
+#include <QLineEdit>
+#include <QTextLayout>
+
+class QMenu;
+class WebView;
+class UrlLineEdit : public QLineEdit
+{
+    Q_OBJECT
+public:
+    explicit UrlLineEdit(QWidget *parent = nullptr);
+
+public slots:
+    void setUrl(const QUrl &url);
+
+    void updateCompleter(const QStringList &l);
+
+public:
+    // pageMenu action: zoom, print
+    QAction *pageMenu_action = nullptr;
+    // devMenu action: scripts, etc
+    QAction *toolsMenu_action = nullptr;
+
+protected:
+    void focusInEvent(QFocusEvent *event) override;
+    void focusOutEvent(QFocusEvent *event) override;
+    void keyPressEvent(QKeyEvent *event) override;
+
+private:
+    void setTextFormat(const QTextLayout::FormatRange &format);
+    void clearTextFormat();
+
+    QTextLayout::FormatRange m_hostFormat;
+
+    // completer
+    Completer *m_listView;
+};
+
+#endif // SMOLBOTE_URLLINEEDIT_H