Refactoring MainWindow

- Added NavigationBar object that manages the navigation buttons
- Removed NavigationButton class that it obsoleted

1 files changed, 115 insertions, 0 deletions

diff --git a/src/mainwindow/widgets/navigationbar.cpp b/src/mainwindow/widgets/navigationbar.cpp
new file mode 100644
index 0000000..648bb23
--- /dev/null
+++ b/src/mainwindow/widgets/navigationbar.cpp
@@ -0,0 +1,115 @@
+/*
+ * 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: git://neueland.iserlohn-fortress.net/smolbote.git
+ *
+ * SPDX-License-Identifier: GPL-3.0
+ */
+
+#include "navigationbar.h"
+#include "mainwindow/mainwindow.h"
+#include "webengine/webview.h"
+#include <QHBoxLayout>
+#include <QStyle>
+#include <QToolBar>
+#include <QToolButton>
+#include <QWebEngineHistory>
+
+NavigationBar::NavigationBar(MainWindow *parent)
+    : QObject(parent)
+{
+    qStyle = parent->style();
+
+    backButton = new QToolButton(parent);
+    backButton->setIcon(qStyle->standardIcon(QStyle::SP_ArrowBack));
+    connect(backButton, &QToolButton::clicked, this, [this]() {
+        m_view->history()->back();
+    });
+
+    auto *backMenu = new QMenu(backButton);
+    backButton->setMenu(backMenu);
+    connect(backMenu, &QMenu::aboutToShow, this, [this, backMenu]() {
+        backMenu->clear();
+        const QList<QWebEngineHistoryItem> items = m_view->history()->backItems(10);
+        for(const QWebEngineHistoryItem &i : items) {
+            QAction *a = backMenu->addAction(i.title());
+            connect(a, &QAction::triggered, this, [i, this]() {
+                m_view->history()->goToItem(i);
+            });
+        }
+    });
+
+    forwardButton = new QToolButton(parent);
+    forwardButton->setIcon(qStyle->standardIcon(QStyle::SP_ArrowForward));
+    connect(forwardButton, &QToolButton::clicked, this, [this]() {
+        m_view->history()->forward();
+    });
+
+    auto *forwardMenu = new QMenu(forwardButton);
+    forwardButton->setMenu(forwardMenu);
+    connect(forwardMenu, &QMenu::aboutToShow, this, [this, forwardMenu]() {
+        forwardMenu->clear();
+        const QList<QWebEngineHistoryItem> items = m_view->history()->forwardItems(10);
+        for(const QWebEngineHistoryItem &i : items) {
+            QAction *a = forwardMenu->addAction(i.title());
+            connect(a, &QAction::triggered, this, [i, this]() {
+                m_view->history()->goToItem(i);
+            });
+        }
+    });
+
+    stopReloadButton = new QToolButton(parent);
+    stopReloadButton->setIcon(qStyle->standardIcon(QStyle::SP_BrowserReload));
+    connect(stopReloadButton, &QToolButton::clicked, this, [this]() {
+        if(m_view->isLoaded())
+            m_view->reload();
+        else
+            m_view->stop();
+    });
+
+    homeButton = new QToolButton(parent);
+    homeButton->setIcon(qStyle->standardIcon(QStyle::SP_DirHomeIcon));
+    connect(homeButton, &QToolButton::clicked, this, [this, parent]() {
+        m_view->load(parent->m_profile->homepage());
+    });
+}
+
+void NavigationBar::addWidgetsTo(QToolBar *toolBar)
+{
+    toolBar->addWidget(backButton);
+    toolBar->addWidget(forwardButton);
+    toolBar->addWidget(stopReloadButton);
+    toolBar->addWidget(homeButton);
+}
+
+void NavigationBar::connectWebView(WebView *view)
+{
+    Q_CHECK_PTR(view);
+    m_view = view;
+
+    disconnect(loadStartedConnection);
+    disconnect(loadFinishedConnection);
+
+    if(view->isLoaded()) {
+        update_loadFinished();
+    } else {
+        update_loadStarted();
+    }
+
+    loadStartedConnection = connect(view, &QWebEngineView::loadStarted, this, &NavigationBar::update_loadStarted);
+    loadFinishedConnection = connect(view, &QWebEngineView::loadFinished, this, &NavigationBar::update_loadFinished);
+}
+
+void NavigationBar::update_loadStarted()
+{
+    backButton->setEnabled(m_view->history()->canGoForward());
+    forwardButton->setEnabled(m_view->history()->canGoForward());
+    stopReloadButton->setIcon(qStyle->standardIcon(QStyle::SP_BrowserStop));
+}
+
+void NavigationBar::update_loadFinished()
+{
+    backButton->setEnabled(m_view->history()->canGoBack());
+    forwardButton->setEnabled(m_view->history()->canGoForward());
+    stopReloadButton->setIcon(qStyle->standardIcon(QStyle::SP_BrowserReload));
+}