]> gitweb.stoutner.com Git - PrivacyBrowserPC.git/blobdiff - src/widgets/TabWidget.cpp
Add DevTools. https://redmine.stoutner.com/issues/1126
[PrivacyBrowserPC.git] / src / widgets / TabWidget.cpp
index 4a6b11c64d2bb7800497c4da9c70a970b4c0c489..eb923336797868fd23e95206c1f20d7e2b6ccae2 100644 (file)
  */
 
 // Application headers.
+#include "DevToolsWebEngineView.h"
 #include "TabWidget.h"
 #include "Settings.h"
 #include "ui_AddTabWidget.h"
+#include "ui_Tab.h"
 #include "ui_TabWidget.h"
 #include "databases/CookiesDatabase.h"
 #include "dialogs/SaveDialog.h"
@@ -127,11 +129,16 @@ TabWidget::~TabWidget()
     // Manually delete each WebEngine page.
     for (int i = 0; i < numberOfTabs; ++i)
     {
-        // Get the privacy WebEngine view.
-        PrivacyWebEngineView *privacyWebEngineViewPointer = qobject_cast<PrivacyWebEngineView *>(qTabWidgetPointer->widget(i));
+        // Get the tab splitter widget.
+        QWidget *tabSplitterWidgetPointer = qTabWidgetPointer->widget(i);
 
-        // Deletion the WebEngine page to prevent the following error:  `Release of profile requested but WebEnginePage still not deleted. Expect troubles !`
+        // Get the WebEngine views.
+        PrivacyWebEngineView *privacyWebEngineViewPointer = tabSplitterWidgetPointer->findChild<PrivacyWebEngineView *>();
+        DevToolsWebEngineView *devToolsWebEngineViewPointer = tabSplitterWidgetPointer->findChild<DevToolsWebEngineView *>();
+
+        // Deletion the WebEngine pages to prevent the following error:  `Release of profile requested but WebEnginePage still not deleted. Expect troubles !`
         delete privacyWebEngineViewPointer->page();
+        delete devToolsWebEngineViewPointer->page();
     }
 }
 
@@ -173,23 +180,47 @@ void TabWidget::addFirstTab()
 
 PrivacyWebEngineView* TabWidget::addTab(const bool removeUrlLineEditFocus, const bool backgroundTab, const QString urlString)
 {
-    // Create a privacy WebEngine view.
+    // Create a splitter widget.
+    QSplitter *splitterPointer = new QSplitter();
+
+    // Set the splitter to be vertical.
+    splitterPointer->setOrientation(Qt::Vertical);
+
+    // Set the splitter handle size.
+    splitterPointer->setHandleWidth(5);
+
+    // Create the WebEngines.
     PrivacyWebEngineView *privacyWebEngineViewPointer = new PrivacyWebEngineView();
+    DevToolsWebEngineView *devToolsWebEngineViewPointer = new DevToolsWebEngineView();
+
+    // Add the WebEngines to the splitter.
+    splitterPointer->addWidget(privacyWebEngineViewPointer);
+    splitterPointer->addWidget(devToolsWebEngineViewPointer);
 
     // Add a new tab.
-    int newTabIndex = qTabWidgetPointer->addTab(privacyWebEngineViewPointer, i18nc("New tab label.", "New Tab"));
+    int newTabIndex = qTabWidgetPointer->addTab(splitterPointer, i18nc("New tab label.", "New Tab"));
 
     // Set the default tab icon.
     qTabWidgetPointer->setTabIcon(newTabIndex, defaultFavoriteIcon);
 
-    // Get handles for the WebEngine page and profile.
+    // Get handles for the WebEngine components.
     QWebEnginePage *webEnginePagePointer = privacyWebEngineViewPointer->page();
     QWebEngineProfile *webEngineProfilePointer = webEnginePagePointer->profile();
-
-    // Get handles for the web engine elements.
     QWebEngineCookieStore *webEngineCookieStorePointer = webEngineProfilePointer->cookieStore();
     QWebEngineSettings *webEngineSettingsPointer = webEnginePagePointer->settings();
 
+    // Set the development tools WebEngine.  This must be done here to preserve the bottom half of the window as the initial development tools size.
+    webEnginePagePointer->setDevToolsPage(devToolsWebEngineViewPointer->page());
+
+    // Initially hide the development tools WebEngine.
+    devToolsWebEngineViewPointer->setVisible(false);
+
+    // Initially disable the development tools WebEngine.
+    webEnginePagePointer->setDevToolsPage(nullptr);
+
+    // Disable JavaScript on the development tools WebEngine to prevent error messages from being written to the console.
+    devToolsWebEngineViewPointer->settings()->setAttribute(QWebEngineSettings::JavascriptEnabled, false);
+
     // Update the URL line edit when the URL changes.
     connect(privacyWebEngineViewPointer, &PrivacyWebEngineView::urlChanged, [this, privacyWebEngineViewPointer] (const QUrl &newUrl)
     {
@@ -206,10 +237,10 @@ PrivacyWebEngineView* TabWidget::addTab(const bool removeUrlLineEditFocus, const
     });
 
     // Update the title when it changes.
-    connect(privacyWebEngineViewPointer, &PrivacyWebEngineView::titleChanged, [this, privacyWebEngineViewPointer] (const QString &title)
+    connect(privacyWebEngineViewPointer, &PrivacyWebEngineView::titleChanged, [this, splitterPointer] (const QString &title)
     {
         // Get the index for this tab.
-        int tabIndex = qTabWidgetPointer->indexOf(privacyWebEngineViewPointer);
+        int tabIndex = qTabWidgetPointer->indexOf(splitterPointer);
 
         // Update the title for this tab.
         qTabWidgetPointer->setTabText(tabIndex, title);
@@ -220,10 +251,10 @@ PrivacyWebEngineView* TabWidget::addTab(const bool removeUrlLineEditFocus, const
     });
 
     // Connect the loading favorite icon movie to the tab icon.
-    connect(loadingFavoriteIconMoviePointer, &QMovie::frameChanged, [this, privacyWebEngineViewPointer]
+    connect(loadingFavoriteIconMoviePointer, &QMovie::frameChanged, [this, splitterPointer, privacyWebEngineViewPointer]
     {
         // Get the index for this tab.
-        int tabIndex = qTabWidgetPointer->indexOf(privacyWebEngineViewPointer);
+        int tabIndex = qTabWidgetPointer->indexOf(splitterPointer);
 
         // Display the loading favorite icon if this tab is loading.
         if (privacyWebEngineViewPointer->isLoading)
@@ -231,7 +262,7 @@ PrivacyWebEngineView* TabWidget::addTab(const bool removeUrlLineEditFocus, const
     });
 
     // Update the icon when it changes.
-    connect(privacyWebEngineViewPointer, &PrivacyWebEngineView::iconChanged, [this, privacyWebEngineViewPointer] (const QIcon &newFavoriteIcon)
+    connect(privacyWebEngineViewPointer, &PrivacyWebEngineView::iconChanged, [this, splitterPointer, privacyWebEngineViewPointer] (const QIcon &newFavoriteIcon)
     {
         // Store the favorite icon in the privacy web engine view.
         if (newFavoriteIcon.isNull())
@@ -240,7 +271,7 @@ PrivacyWebEngineView* TabWidget::addTab(const bool removeUrlLineEditFocus, const
             privacyWebEngineViewPointer->favoriteIcon = newFavoriteIcon;
 
         // Get the index for this tab.
-        int tabIndex = qTabWidgetPointer->indexOf(privacyWebEngineViewPointer);
+        int tabIndex = qTabWidgetPointer->indexOf(splitterPointer);
 
         // Update the icon for this tab.
         if (newFavoriteIcon.isNull())
@@ -278,7 +309,7 @@ PrivacyWebEngineView* TabWidget::addTab(const bool removeUrlLineEditFocus, const
     });
 
     // Update the progress bar when a load finishes.
-    connect(privacyWebEngineViewPointer, &PrivacyWebEngineView::loadFinished, [this, privacyWebEngineViewPointer] ()
+    connect(privacyWebEngineViewPointer, &PrivacyWebEngineView::loadFinished, [this, splitterPointer, privacyWebEngineViewPointer] ()
     {
         // Set the privacy web engine view to be not loading.
         privacyWebEngineViewPointer->isLoading = false;
@@ -291,7 +322,7 @@ PrivacyWebEngineView* TabWidget::addTab(const bool removeUrlLineEditFocus, const
             emit hideProgressBar();
 
         // Get the index for this tab.
-        int tabIndex = qTabWidgetPointer->indexOf(privacyWebEngineViewPointer);
+        int tabIndex = qTabWidgetPointer->indexOf(splitterPointer);
 
         // Display the current favorite icon
         qTabWidgetPointer->setTabIcon(tabIndex, privacyWebEngineViewPointer->favoriteIcon);
@@ -306,7 +337,7 @@ PrivacyWebEngineView* TabWidget::addTab(const bool removeUrlLineEditFocus, const
         for (int i = 0; i < numberOfTabs; i++)
         {
             // Get the privacy WebEngine view for the tab.
-            PrivacyWebEngineView *privacyWebEngineViewPointer = qobject_cast<PrivacyWebEngineView*>(qTabWidgetPointer->widget(i));
+            PrivacyWebEngineView *privacyWebEngineViewPointer = qTabWidgetPointer->widget(i)->findChild<PrivacyWebEngineView *>();
 
             // Check to see if it is currently loading.  If at least one tab is loading, this flag will end up being marked `false` when the for loop has finished.
             if (privacyWebEngineViewPointer->isLoading)
@@ -475,7 +506,7 @@ void TabWidget::applyApplicationSettings()
     // Apply the spatial navigation settings to each WebEngine.
     for (int i = 0; i < numberOfTabs; ++i) {
         // Get the WebEngine view pointer.
-        PrivacyWebEngineView *privacyWebEngineViewPointer = qobject_cast<PrivacyWebEngineView *>(qTabWidgetPointer->widget(i));
+        PrivacyWebEngineView *privacyWebEngineViewPointer = qTabWidgetPointer->widget(i)->findChild<PrivacyWebEngineView *>();
 
         // Apply the spatial navigation settings to each page.
         privacyWebEngineViewPointer->page()->settings()->setAttribute(QWebEngineSettings::SpatialNavigationEnabled, Settings::spatialNavigation());
@@ -496,7 +527,7 @@ void TabWidget::applyDomainSettingsAndReload()
     // Apply the domain settings to each WebEngine.
     for (int i = 0; i < numberOfTabs; ++i) {
         // Get the WebEngine view pointer.
-        PrivacyWebEngineView *privacyWebEngineViewPointer = qobject_cast<PrivacyWebEngineView *>(qTabWidgetPointer->widget(i));
+        PrivacyWebEngineView *privacyWebEngineViewPointer = qTabWidgetPointer->widget(i)->findChild<PrivacyWebEngineView *>();
 
         // Apply the spatial navigation settings to each page.
         privacyWebEngineViewPointer->applyDomainSettings(privacyWebEngineViewPointer->url().host(), true);
@@ -551,7 +582,7 @@ void TabWidget::applySpellCheckLanguages() const
     for (int i = 0; i < numberOfTabs; ++i)
     {
         // Get the WebEngine view pointer.
-        PrivacyWebEngineView *privacyWebEngineViewPointer = qobject_cast<PrivacyWebEngineView *>(qTabWidgetPointer->widget(i));
+        PrivacyWebEngineView *privacyWebEngineViewPointer = qTabWidgetPointer->widget(i)->findChild<PrivacyWebEngineView *>();
 
         // Get the WebEngine page pointer.
         QWebEnginePage *webEnginePagePointer = privacyWebEngineViewPointer->page();
@@ -584,20 +615,29 @@ void TabWidget::deleteCookieFromStore(const QNetworkCookie &cookie) const
 
 void TabWidget::deleteTab(const int tabIndex)
 {
-    // Get the privacy WebEngine view.
-    PrivacyWebEngineView *privacyWebEngineViewPointer = qobject_cast<PrivacyWebEngineView *>(qTabWidgetPointer->widget(tabIndex));
+    // Get the tab splitter widget.
+    QWidget *tabSplitterWidgetPointer = qTabWidgetPointer->widget(tabIndex);
+
+    // Get the WebEngine views.
+    PrivacyWebEngineView *privacyWebEngineViewPointer = tabSplitterWidgetPointer->findChild<PrivacyWebEngineView *>();
+    DevToolsWebEngineView *devToolsWebEngineViewPointer = tabSplitterWidgetPointer->findChild<DevToolsWebEngineView *>();
 
     // Process the tab delete according to the number of tabs.
     if (qTabWidgetPointer->count() > 1)  // There is more than one tab.
     {
-        // Delete the tab.
+        // Remove the tab.
         qTabWidgetPointer->removeTab(tabIndex);
 
-        // Delete the WebEngine page to prevent the following error:  `Release of profile requested but WebEnginePage still not deleted. Expect troubles !`
+        // Delete the WebEngine pages to prevent the following error:  `Release of profile requested but WebEnginePage still not deleted. Expect troubles !`
         delete privacyWebEngineViewPointer->page();
+        delete devToolsWebEngineViewPointer->page();
 
-        // Delete the privacy WebEngine view.
+        // Delete the WebEngine views.
         delete privacyWebEngineViewPointer;
+        delete devToolsWebEngineViewPointer;
+
+        // Delete the tab splitter widget.
+        delete tabSplitterWidgetPointer;
     }
     else  // There is only one tab.
     {
@@ -1064,6 +1104,38 @@ void TabWidget::showSaveDialog(QWebEngineDownloadItem *webEngineDownloadItemPoin
     savingArchive = false;
 }
 
+void TabWidget::toggleDeveloperTools(const bool enabled) const
+{
+    // Get a handle for the current developer tools WebEngine.
+    DevToolsWebEngineView *devToolsWebEngineViewPointer = qTabWidgetPointer->currentWidget()->findChild<DevToolsWebEngineView *>();
+
+    if (enabled)
+    {
+        // Set the zoom factor on the development tools WebEngine.
+        devToolsWebEngineViewPointer->setZoomFactor(currentWebEnginePagePointer->zoomFactor());
+
+        // Enable the development tools.
+        currentWebEnginePagePointer->setDevToolsPage(devToolsWebEngineViewPointer->page());
+
+        // Enable JavaScript on the development tools WebEngine.
+        devToolsWebEngineViewPointer->settings()->setAttribute(QWebEngineSettings::JavascriptEnabled, true);
+
+        // Display the developer tools.
+        devToolsWebEngineViewPointer->setVisible(true);
+    }
+    else
+    {
+        // Disable JavaScript on the development tools WebEngine to prevent error messages from being written to the console.
+        devToolsWebEngineViewPointer->settings()->setAttribute(QWebEngineSettings::JavascriptEnabled, false);
+
+        // Disable the development tools.
+        currentWebEnginePagePointer->setDevToolsPage(nullptr);
+
+        // Hide the developer tools.
+        devToolsWebEngineViewPointer->setVisible(false);
+    }
+}
+
 void TabWidget::toggleDomStorage() const
 {
     // Toggle DOM storage.
@@ -1134,7 +1206,7 @@ void TabWidget::updateUiFromWebEngineView(const PrivacyWebEngineView *privacyWeb
 void TabWidget::updateUiWithTabSettings()
 {
     // Update the current WebEngine pointers.
-    currentPrivacyWebEngineViewPointer = qobject_cast<PrivacyWebEngineView *>(qTabWidgetPointer->currentWidget());
+    currentPrivacyWebEngineViewPointer = qTabWidgetPointer->currentWidget()->findChild<PrivacyWebEngineView *>();
     currentWebEngineSettingsPointer = currentPrivacyWebEngineViewPointer->settings();
     currentWebEnginePagePointer = currentPrivacyWebEngineViewPointer->page();
     currentWebEngineProfilePointer = currentWebEnginePagePointer->profile();
@@ -1144,10 +1216,14 @@ void TabWidget::updateUiWithTabSettings()
     // Clear the URL line edit focus.
     emit clearUrlLineEditFocus();
 
+    // Get a handle for the development tools WebEngine view.
+    DevToolsWebEngineView *devToolsWebEngineViewPointer = qTabWidgetPointer->currentWidget()->findChild<DevToolsWebEngineView *>();
+
     // Update the actions.
     emit updateDefaultZoomFactor(currentPrivacyWebEngineViewPointer->defaultZoomFactor);
     emit updateBackAction(currentWebEngineHistoryPointer->canGoBack());
     emit updateCookiesAction(currentPrivacyWebEngineViewPointer->cookieListPointer->size());
+    emit updateDeveloperToolsAction(devToolsWebEngineViewPointer->isVisible());
     emit updateDomStorageAction(currentWebEngineSettingsPointer->testAttribute(QWebEngineSettings::LocalStorageEnabled));
     emit updateForwardAction(currentWebEngineHistoryPointer->canGoForward());
     emit updateJavaScriptAction(currentWebEngineSettingsPointer->testAttribute(QWebEngineSettings::JavascriptEnabled));