Start of Navbar

CMakeLists.txt

@@ -11,6 +11,7 @@ qt_standard_project_setup()
 
 add_executable(CrabCrawler
     src/main.cpp
+    src/ui/navbar.cpp
 )
 
 target_link_libraries(CrabCrawler

src/main.cpp

@@ -1,8 +1,29 @@
 #include <QApplication>
+#include <QWidget>
+#include <QVBoxLayout>
+#include <QDebug>
+
+#include "ui/navbar.h"
 
 int main(int argc, char *argv[])
 {
     QApplication app(argc, argv);
 
+    QWidget window;
+    window.resize(800, 500);
+
+    auto *layout = new QVBoxLayout(&window);
+    layout->setContentsMargins(0, 0, 0, 0);
+    layout->setSpacing(0);
+
+    auto *navBar = new NavBar(&window);
+    layout->addWidget(navBar);
+    layout->addStretch();
+
+    QObject::connect(navBar, &NavBar::addressEntered, [](const QString &text) {
+        qDebug() << "navigate to:" << text;
+    });
+
+    window.show();
     return app.exec();
 }

src/ui/navbar.cpp

@@ -0,0 +1,48 @@
+#include "navbar.h"
+
+#include <QToolButton>
+#include <QLineEdit>
+#include <QHBoxLayout>
+#include <QStyle>
+
+NavBar::NavBar(QWidget *parent)
+    : QWidget(parent)
+{
+    auto *layout = new QHBoxLayout(this);
+    layout->setContentsMargins(6, 6, 6, 6);
+    layout->setSpacing(6);
+
+    m_back = new QToolButton(this);
+    m_back->setIcon(style()->standardIcon(QStyle::SP_ArrowBack));
+    m_back->setAutoRaise(true);
+
+    m_forward = new QToolButton(this);
+    m_forward->setIcon(style()->standardIcon(QStyle::SP_ArrowForward));
+    m_forward->setAutoRaise(true);
+
+    m_refresh = new QToolButton(this);
+    m_refresh->setIcon(style()->standardIcon(QStyle::SP_BrowserReload));
+    m_refresh->setAutoRaise(true);
+
+    m_address = new QLineEdit(this);
+    m_address->setPlaceholderText("Enter a URL");
+    m_address->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
+
+    layout->addWidget(m_back);
+    layout->addWidget(m_forward);
+    layout->addWidget(m_refresh);
+    layout->addWidget(m_address);
+
+    connect(m_back, &QToolButton::clicked, this, &NavBar::backClicked);
+    connect(m_forward, &QToolButton::clicked, this, &NavBar::forwardClicked);
+    connect(m_refresh, &QToolButton::clicked, this, &NavBar::refreshClicked);
+
+    connect(m_address, &QLineEdit::returnPressed, this, [this] {
+        emit addressEntered(m_address->text());
+    });
+}
+
+QLineEdit *NavBar::addressBar() const
+{
+    return m_address;
+}

src/ui/navbar.h

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <QWidget>
+
+class QToolButton;
+class QLineEdit;
+
+class NavBar : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit NavBar(QWidget *parent = nullptr);
+
+    QLineEdit *addressBar() const;
+
+signals:
+    void backClicked();
+    void forwardClicked();
+    void refreshClicked();
+    void addressEntered(const QString &text);
+
+private:
+    QToolButton *m_back;
+    QToolButton *m_forward;
+    QToolButton *m_refresh;
+    QLineEdit   *m_address;
+};