Enable the forward and back mouse buttons.

[PrivacyBrowserPC.git] / src / mainview.cpp

diff --git a/src/mainview.cpp b/src/mainview.cpp
index a1e018b400734422350bbf1b8cf3c46d5ef88685..8749760773e6acdd9540a236855ad761d805a6e2 100644 (file)
--- a/src/mainview.cpp
+++ b/src/mainview.cpp
@@ -18,13 +18,16 @@
  */
 
 // Application headers
+#include "browserwindow.h"
 #include "mainview.h"
+#include "mouseeventfilter.h"
 #include "settings.h"
 
 // KDE Framework headers.
 #include <KLineEdit>
 
-// Qt framework headers.
+// Qt headers.
+#include <QWebEngineHistory>
 #include <QWebEngineView>
 
 MainView::MainView(QWidget *parent) : QWidget(parent)
@@ -36,29 +39,74 @@ MainView::MainView(QWidget *parent) : QWidget(parent)
     mainViewUi.setupUi(this);
 
     // Get handles for the views.
+    backButtonPointer = mainViewUi.backButton;
+    forwardButtonPointer = mainViewUi.forwardButton;
     urlLineEditPointer = mainViewUi.urlLineEdit;
     webEngineViewPointer = mainViewUi.webEngineView;
 
+    // Get handles for the webpage and history.
+    QWebEnginePage *webEnginePagePointer = webEngineViewPointer->page();
+    webEngineHistoryPointer = webEnginePagePointer->history();
+
     // Update the webengine view from the URL line edit.
     connect(urlLineEditPointer, SIGNAL(returnKeyPressed(const QString)), this, SLOT(loadUrl(const QString)));
 
     // Update the URL line edit form the webengine view.
-    connect(webEngineViewPointer, SIGNAL(loadStarted()), this, SLOT(updateUrlLineEdit()));
-    connect(webEngineViewPointer, SIGNAL(loadProgress(int)), this, SLOT(updateUrlLineEdit()));
-    connect(webEngineViewPointer, SIGNAL(loadFinished(bool)), this, SLOT(updateUrlLineEdit()));
+    connect(webEngineViewPointer, SIGNAL(loadStarted()), this, SLOT(updateInterface()));
+    connect(webEngineViewPointer, SIGNAL(loadProgress(int)), this, SLOT(updateInterface()));
+    connect(webEngineViewPointer, SIGNAL(loadFinished(bool)), this, SLOT(updateInterface()));
+
+    // Setup the forward and back buttons.
+    connect(backButtonPointer, SIGNAL(clicked()), webEngineViewPointer, SLOT(back()));
+    connect(forwardButtonPointer, SIGNAL(clicked()), webEngineViewPointer, SLOT(forward()));
+
+    // Instantiate the mouse event pointer.
+    MouseEventFilter *mouseEventFilterPointer = new MouseEventFilter(webEngineViewPointer);
+
+    // Install the mouse event filter.
+    qApp->installEventFilter(mouseEventFilterPointer);
+
+    // Listen for hovered link URLs.
+    connect(webEnginePagePointer, SIGNAL(linkHovered(QString)), this, SLOT(pageLinkHovered(QString)));
+
+    // Set the zoom factor.
+    webEngineViewPointer->setZoomFactor(Settings::zoomFactor());
+
+    // Set the focus on the WebEngine view.
+    webEngineViewPointer->setFocus();
 
-    // Load a website.
-    webEngineViewPointer->setUrl(QUrl(QStringLiteral("https://www.stoutner.com/")));
+    // Load the homepage.  TODO.  Consider sanitizing the homepage input and adding things like protocols if they are missing.
+    webEngineViewPointer->setUrl(Settings::homepage());
 }
 
 void MainView::loadUrl(const QString &urlFromUser)
 {
+    // Remove the focus from the URL line edit.
+    urlLineEditPointer->clearFocus();
+
     // Load the URL, adding standard protocol sections if needed.  TODO.  Replace this with logic that prefers HTTPS.
     webEngineViewPointer->setUrl(QUrl::fromUserInput(urlFromUser));
 }
 
-void MainView::updateUrlLineEdit()
+void MainView::pageLinkHovered(const QString &linkUrl)
+{
+    // Emit a signal so that the browser window can update the status bar.
+    emit linkHovered(linkUrl);
+}
+
+void MainView::updateInterface()
 {
-    // Update the URL line edit.
-    urlLineEditPointer->setText(webEngineViewPointer->url().toString());
+    // Update the URL line edit if it does not have focus.
+    if (!urlLineEditPointer->hasFocus())
+    {
+        // Update the URL line edit.
+        urlLineEditPointer->setUrl(webEngineViewPointer->url().toString());
+    }
+
+    // Update the status of the forward and back buttons.
+    backButtonPointer->setEnabled(webEngineHistoryPointer->canGoBack());
+    forwardButtonPointer->setEnabled(webEngineHistoryPointer->canGoForward());
+
+    // Reapply the zoom factor.  This is a bug in QWebEngineView that resets the zoom with every load.  Hopefully it will be fixed in Qt6.  <https://bugreports.qt.io/browse/QTBUG-51992>
+    webEngineViewPointer->setZoomFactor(Settings::zoomFactor());
 }