src/windows/BrowserWindow.cpp

   1 /*
   2  * Copyright © 2022 Soren Stoutner <soren@stoutner.com>.
   3  *
   4  * This file is part of Privacy Browser PC <https://www.stoutner.com/privacy-browser-pc>.
   5  *
   6  * Privacy Browser PC is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * Privacy Browser PC is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with Privacy Browser PC.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 // Application headers.
  21 #include "BrowserWindow.h"
  22 #include "Settings.h"
  23 #include "ui_SettingsPrivacy.h"
  24 #include "ui_SettingsGeneral.h"
  25 #include "dialogs/CookiesDialog.h"
  26 #include "dialogs/DomainSettingsDialog.h"
  27 #include "helpers/SearchEngineHelper.h"
  28 #include "helpers/UserAgentHelper.h"
  29
  30 // KDE Frameworks headers.
  31 #include <KActionCollection>
  32 #include <KColorScheme>
  33 #include <KToolBar>
  34
  35 // Qt toolkit headers.
  36 #include <QFileDialog>
  37 #include <QInputDialog>
  38 #include <QNetworkCookie>
  39 #include <QMenuBar>
  40 #include <QShortcut>
  41 #include <QStatusBar>
  42 #include <QWebEngineFindTextResult>
  43
  44 // Construct the class.
  45 BrowserWindow::BrowserWindow(bool firstWindow) : KXmlGuiWindow()
  46 {
  47     // Initialize the variables.
  48     javaScriptEnabled = false;
  49     localStorageEnabled = false;
  50
  51     // Instantiate the privacy tab widget pointer.
  52     tabWidgetPointer = new TabWidget(this);
  53
  54     // Set the privacy tab widget as the central widget.
  55     setCentralWidget(tabWidgetPointer);
  56
  57     // Get a handle for the action collection.
  58     KActionCollection *actionCollectionPointer = this->actionCollection();
  59
  60     // Add the standard actions.
  61     KStandardAction::openNew(this, SLOT(fileNew()), actionCollectionPointer);
  62     KStandardAction::print(tabWidgetPointer, SLOT(print()), actionCollectionPointer);
  63     KStandardAction::printPreview(tabWidgetPointer, SLOT(printPreview()), actionCollectionPointer);
  64     KStandardAction::quit(qApp, SLOT(closeAllWindows()), actionCollectionPointer);
  65     KStandardAction::redisplay(this, SLOT(refresh()), actionCollectionPointer);
  66     fullScreenActionPointer = KStandardAction::fullScreen(this, SLOT(toggleFullScreen()), this, actionCollectionPointer);
  67     QAction *backActionPointer = KStandardAction::back(this, SLOT(back()), actionCollectionPointer);
  68     QAction *forwardActionPointer = KStandardAction::forward(this, SLOT(forward()), actionCollectionPointer);
  69     KStandardAction::home(this, SLOT(home()), actionCollectionPointer);
  70     KStandardAction::preferences(this, SLOT(showSettingsDialog()), actionCollectionPointer);
  71     KStandardAction::find(this, SLOT(focusFindLineEdit()), actionCollectionPointer);
  72     QAction *findNextActionPointer = KStandardAction::findNext(this, SLOT(findNext()), actionCollectionPointer);
  73     KStandardAction::findPrev(this, SLOT(findPrevious()), actionCollectionPointer);
  74
  75     // Add the custom actions.
  76     userAgentPrivacyBrowserActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_privacy_browser"));
  77     userAgentWebEngineDefaultActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_webengine_default"));
  78     userAgentFirefoxLinuxActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_firefox_linux"));
  79     userAgentChromiumLinuxActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_chromium_linux"));
  80     userAgentFirefoxWindowsActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_firefox_windows"));
  81     userAgentChromeWindowsActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_chrome_windows"));
  82     userAgentEdgeWindowsActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_edge_windows"));
  83     userAgentSafariMacosActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_safari_macos"));
  84     userAgentCustomActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_custom"));
  85     zoomFactorActionPointer = actionCollectionPointer->addAction(QStringLiteral("zoom_factor"));
  86     searchEngineMojeekActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_mojeek"));
  87     searchEngineMonoclesActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_monocles"));
  88     searchEngineMetagerActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_metager"));
  89     searchEngineGoogleActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_google"));
  90     searchEngineBingActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_bing"));
  91     searchEngineYahooActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_yahoo"));
  92     searchEngineCustomActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_custom"));
  93     QAction *domainSettingsActionPointer = actionCollectionPointer->addAction(QStringLiteral("domain_settings"));
  94     cookiesActionPointer = actionCollectionPointer->addAction(QStringLiteral("cookies"));
  95     javaScriptActionPointer = actionCollectionPointer->addAction(QStringLiteral("javascript"));
  96     localStorageActionPointer = actionCollectionPointer->addAction(QStringLiteral("local_storage"));
  97     domStorageActionPointer = actionCollectionPointer->addAction(QStringLiteral("dom_storage"));
  98     findCaseSensitiveActionPointer = actionCollectionPointer->addAction(QStringLiteral("find_case_sensitive"));
  99
 100     // Create the action groups
 101     QActionGroup *userAgentActionGroupPointer = new QActionGroup(this);
 102     QActionGroup *searchEngineActionGroupPointer = new QActionGroup(this);
 103
 104     // Add the actions to the groups.
 105     userAgentActionGroupPointer->addAction(userAgentPrivacyBrowserActionPointer);
 106     userAgentActionGroupPointer->addAction(userAgentWebEngineDefaultActionPointer);
 107     userAgentActionGroupPointer->addAction(userAgentFirefoxLinuxActionPointer);
 108     userAgentActionGroupPointer->addAction(userAgentChromiumLinuxActionPointer);
 109     userAgentActionGroupPointer->addAction(userAgentFirefoxWindowsActionPointer);
 110     userAgentActionGroupPointer->addAction(userAgentChromeWindowsActionPointer);
 111     userAgentActionGroupPointer->addAction(userAgentEdgeWindowsActionPointer);
 112     userAgentActionGroupPointer->addAction(userAgentSafariMacosActionPointer);
 113     userAgentActionGroupPointer->addAction(userAgentCustomActionPointer);
 114     searchEngineActionGroupPointer->addAction(searchEngineMojeekActionPointer);
 115     searchEngineActionGroupPointer->addAction(searchEngineMonoclesActionPointer);
 116     searchEngineActionGroupPointer->addAction(searchEngineMetagerActionPointer);
 117     searchEngineActionGroupPointer->addAction(searchEngineGoogleActionPointer);
 118     searchEngineActionGroupPointer->addAction(searchEngineBingActionPointer);
 119     searchEngineActionGroupPointer->addAction(searchEngineYahooActionPointer);
 120     searchEngineActionGroupPointer->addAction(searchEngineCustomActionPointer);
 121
 122     // Set some actions to be checkable.
 123     javaScriptActionPointer->setCheckable(true);
 124     localStorageActionPointer->setCheckable(true);
 125     domStorageActionPointer->setCheckable(true);
 126     findCaseSensitiveActionPointer->setCheckable(true);
 127     userAgentPrivacyBrowserActionPointer->setCheckable(true);
 128     userAgentWebEngineDefaultActionPointer->setCheckable(true);
 129     userAgentFirefoxLinuxActionPointer->setCheckable(true);
 130     userAgentChromiumLinuxActionPointer->setCheckable(true);
 131     userAgentFirefoxWindowsActionPointer->setCheckable(true);
 132     userAgentChromeWindowsActionPointer->setCheckable(true);
 133     userAgentEdgeWindowsActionPointer->setCheckable(true);
 134     userAgentSafariMacosActionPointer->setCheckable(true);
 135     userAgentCustomActionPointer->setCheckable(true);
 136     searchEngineMojeekActionPointer->setCheckable(true);
 137     searchEngineMonoclesActionPointer->setCheckable(true);
 138     searchEngineMetagerActionPointer->setCheckable(true);
 139     searchEngineGoogleActionPointer->setCheckable(true);
 140     searchEngineBingActionPointer->setCheckable(true);
 141     searchEngineYahooActionPointer->setCheckable(true);
 142     searchEngineCustomActionPointer->setCheckable(true);
 143
 144     // Set the action text.
 145     userAgentPrivacyBrowserActionPointer->setText(UserAgentHelper::PRIVACY_BROWSER_TRANSLATED);
 146     userAgentWebEngineDefaultActionPointer->setText(UserAgentHelper::WEB_ENGINE_DEFAULT_TRANSLATED);
 147     userAgentFirefoxLinuxActionPointer->setText(UserAgentHelper::FIREFOX_LINUX_TRANSLATED);
 148     userAgentChromiumLinuxActionPointer->setText(UserAgentHelper::CHROMIUM_LINUX_TRANSLATED);
 149     userAgentFirefoxWindowsActionPointer->setText(UserAgentHelper::FIREFOX_WINDOWS_TRANSLATED);
 150     userAgentChromeWindowsActionPointer->setText(UserAgentHelper::CHROME_WINDOWS_TRANSLATED);
 151     userAgentEdgeWindowsActionPointer->setText(UserAgentHelper::EDGE_WINDOWS_TRANSLATED);
 152     userAgentSafariMacosActionPointer->setText(UserAgentHelper::SAFARI_MACOS_TRANSLATED);
 153     searchEngineMojeekActionPointer->setText(i18nc("Search engine", "Mojeek"));
 154     searchEngineMonoclesActionPointer->setText(i18nc("Search engine", "Monocles"));
 155     searchEngineMetagerActionPointer->setText(i18nc("Search engine", "MetaGer"));
 156     searchEngineGoogleActionPointer->setText(i18nc("Search engine", "Google"));
 157     searchEngineBingActionPointer->setText(i18nc("Search engine", "Bing"));
 158     searchEngineYahooActionPointer->setText(i18nc("Search engine", "Yahoo"));
 159     domainSettingsActionPointer->setText(i18nc("Domain Settings action", "Domain Settings"));
 160     cookiesActionPointer->setText(i18nc("The Cookies action, which also displays the number of cookies", "Cookies - %1", 0));
 161     javaScriptActionPointer->setText(i18nc("JavaScript action", "JavaScript"));
 162     localStorageActionPointer->setText(i18nc("The Local Storage action", "Local Storage"));
 163     domStorageActionPointer->setText(i18nc("DOM Storage action", "DOM Storage"));
 164     findCaseSensitiveActionPointer->setText(i18nc("Find Case Sensitive action", "Find Case Sensitive"));
 165
 166     // Set the action icons.
 167     userAgentPrivacyBrowserActionPointer->setIcon(QIcon(":/icons/privacy-mode"));
 168     userAgentWebEngineDefaultActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("user-group-properties")));
 169     userAgentFirefoxLinuxActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("firefox-esr")));
 170     userAgentChromiumLinuxActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("chromium")));
 171     userAgentFirefoxWindowsActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("firefox-esr")));
 172     userAgentChromeWindowsActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("chromium")));
 173     userAgentEdgeWindowsActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("user-group-properties")));
 174     userAgentSafariMacosActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("user-group-properties")));
 175     userAgentCustomActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("user-group-properties")));
 176     searchEngineMojeekActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 177     searchEngineMonoclesActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 178     searchEngineMetagerActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 179     searchEngineGoogleActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("im-google")));
 180     searchEngineBingActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 181     searchEngineYahooActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("im-yahoo")));
 182     searchEngineCustomActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 183     zoomFactorActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("zoom")));
 184     domainSettingsActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("settings-configure")));
 185     cookiesActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("preferences-web-browser-cookies")));
 186     domStorageActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("code-class")));
 187     findCaseSensitiveActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("format-text-lowercase")));
 188
 189     // Update the on-the-fly menus.
 190     connect(tabWidgetPointer, SIGNAL(updateUserAgentActions(QString, bool)), this, SLOT(updateUserAgentActions(QString, bool)));
 191     connect(tabWidgetPointer, SIGNAL(updateZoomFactorAction(double)), this, SLOT(updateZoomFactorAction(double)));
 192     connect(tabWidgetPointer, SIGNAL(updateSearchEngineActions(QString, bool)), this, SLOT(updateSearchEngineActions(QString, bool)));
 193
 194     // Apply the on-the-fly settings when selected.
 195     connect(userAgentActionGroupPointer, SIGNAL(triggered(QAction*)), tabWidgetPointer, SLOT(applyOnTheFlyUserAgent(QAction*)));
 196     connect(searchEngineActionGroupPointer, SIGNAL(triggered(QAction*)), tabWidgetPointer, SLOT(applyOnTheFlySearchEngine(QAction*)));
 197
 198     // Process cookie changes.
 199     connect(tabWidgetPointer, SIGNAL(updateCookiesAction(int)), this, SLOT(updateCookiesAction(int)));
 200
 201     // Display dialogs.
 202     connect(zoomFactorActionPointer, SIGNAL(triggered()), this, SLOT(getZoomFactorFromUser()));
 203     connect(cookiesActionPointer, SIGNAL(triggered()), this, SLOT(showCookiesDialog()));
 204     connect(domainSettingsActionPointer, SIGNAL(triggered()), this, SLOT(showDomainSettingsDialog()));
 205
 206     // Connect the URL toolbar actions.
 207     connect(javaScriptActionPointer, SIGNAL(triggered()), this, SLOT(toggleJavaScript()));
 208     connect(localStorageActionPointer, SIGNAL(triggered()), this, SLOT(toggleLocalStorage()));
 209     connect(domStorageActionPointer, SIGNAL(triggered()), this, SLOT(toggleDomStorage()));
 210
 211     // Update the URL toolbar actions.
 212     connect(tabWidgetPointer, SIGNAL(updateBackAction(bool)), backActionPointer, SLOT(setEnabled(bool)));
 213     connect(tabWidgetPointer, SIGNAL(updateForwardAction(bool)), forwardActionPointer, SLOT(setEnabled(bool)));
 214     connect(tabWidgetPointer, SIGNAL(updateJavaScriptAction(bool)), this, SLOT(updateJavaScriptAction(bool)));
 215     connect(tabWidgetPointer, SIGNAL(updateLocalStorageAction(bool)), this, SLOT(updateLocalStorageAction(bool)));
 216     connect(tabWidgetPointer, SIGNAL(updateDomStorageAction(bool)), this, SLOT(updateDomStorageAction(bool)));
 217
 218     // Connect the find text actions.
 219     connect(findCaseSensitiveActionPointer, SIGNAL(triggered()), this, SLOT(toggleFindCaseSensitive()));
 220
 221     // Setup the GUI based on the browser_window_ui.rc file.
 222     setupGUI(StandardWindowOption::Default, ("browser_window_ui.rc"));
 223
 224     // Get lists of the actions' associated widgets.
 225     QList<QWidget*> userAgentAssociatedWidgetsPointerList = userAgentPrivacyBrowserActionPointer->associatedWidgets();
 226     QList<QWidget*> searchEngineAssociatedWidgetsPointerList = searchEngineMojeekActionPointer->associatedWidgets();
 227
 228     // Get the menu widget pointers.  It is the second entry, after the main window.
 229     QWidget *userAgentMenuWidgetPointer = userAgentAssociatedWidgetsPointerList[1];
 230     QWidget *searchEngineMenuWidgetPointer = searchEngineAssociatedWidgetsPointerList[1];
 231
 232     // Get the menu pointers.
 233     QMenu *userAgentMenuPointer = qobject_cast<QMenu*>(userAgentMenuWidgetPointer);
 234     QMenu *searchEngineMenuPointer = qobject_cast<QMenu*>(searchEngineMenuWidgetPointer);
 235
 236     // Get the menu actions.
 237     userAgentMenuActionPointer = userAgentMenuPointer->menuAction();
 238     searchEngineMenuActionPointer = searchEngineMenuPointer->menuAction();
 239
 240     // Get handles for the toolbars.
 241     navigationToolBarPointer = toolBar(QStringLiteral("navigation_toolbar"));
 242     urlToolBarPointer = toolBar(QStringLiteral("url_toolbar"));
 243
 244     // Create the line edits.
 245     urlLineEditPointer = new KLineEdit();
 246     findTextLineEditPointer = new KLineEdit();
 247
 248     // Get the line edit size policies.
 249     QSizePolicy urlLineEditSizePolicy = urlLineEditPointer->sizePolicy();
 250     QSizePolicy findTextLineEditSizePolicy = findTextLineEditPointer->sizePolicy();
 251
 252     // Set the URL line edit horizontal stretch to be five times the find text line edit stretch.
 253     urlLineEditSizePolicy.setHorizontalStretch(5);
 254     findTextLineEditSizePolicy.setHorizontalStretch(1);
 255
 256     // Set the policies.
 257     urlLineEditPointer->setSizePolicy(urlLineEditSizePolicy);
 258     findTextLineEditPointer->setSizePolicy(findTextLineEditSizePolicy);
 259
 260     // Set the widths.
 261     urlLineEditPointer->setMinimumWidth(350);
 262     findTextLineEditPointer->setMinimumWidth(200);
 263     findTextLineEditPointer->setMaximumWidth(350);
 264
 265     // Set the placehold text.
 266     urlLineEditPointer->setPlaceholderText(i18nc("The URL line edit placeholder text", "URL or Search Terms"));
 267     findTextLineEditPointer->setPlaceholderText(i18nc("The find line edit placeholder text", "Find Text"));
 268
 269     // Show the clear button on the find line edit.
 270     findTextLineEditPointer->setClearButtonEnabled(true);
 271
 272     // Add an edit or add domain settings action to the URL line edit.
 273     QAction *addOrEditDomainSettingsActionPointer = urlLineEditPointer->addAction(QIcon::fromTheme("settings-configure"), QLineEdit::TrailingPosition);
 274
 275     // Add or edit the current domain settings.
 276     connect(addOrEditDomainSettingsActionPointer, SIGNAL(triggered()), this, SLOT(addOrEditDomainSettings()));
 277
 278     // Create a find text label pointer.
 279     findTextLabelPointer = new QLabel();
 280
 281     // Set the default label text.
 282     findTextLabelPointer->setText(QStringLiteral("  ") + i18nc("Default find results.", "0/0") + QStringLiteral("  "));
 283
 284     // Insert the widgets into the toolbars.
 285     urlToolBarPointer->insertWidget(javaScriptActionPointer, urlLineEditPointer);
 286     urlToolBarPointer->insertWidget(findNextActionPointer, findTextLineEditPointer);
 287     urlToolBarPointer->insertWidget(findNextActionPointer, findTextLabelPointer);
 288
 289     // Load a new URL from the URL line edit.
 290     connect(urlLineEditPointer, SIGNAL(returnKeyPressed(const QString)), this, SLOT(loadUrlFromLineEdit(const QString)));
 291
 292     // Find text as it is typed.
 293     connect(findTextLineEditPointer, SIGNAL(textEdited(const QString &)), tabWidgetPointer, SLOT(findText(const QString &)));
 294
 295     // Find next if the enter key is pressed.
 296     connect(findTextLineEditPointer, SIGNAL(returnKeyPressed(const QString &)), tabWidgetPointer, SLOT(findText(const QString &)));
 297
 298     // Update find text when switching tabs.
 299     connect(tabWidgetPointer, SIGNAL(updateFindText(const QString &, const bool)), this, SLOT(updateFindText(const QString &, const bool)));
 300
 301     // Update the find text results.
 302     connect(tabWidgetPointer, SIGNAL(updateFindTextResults(const QWebEngineFindTextResult &)), this, SLOT(updateFindTextResults(const QWebEngineFindTextResult &)));
 303
 304     // Update the URL line edit on page loads.
 305     connect(tabWidgetPointer, SIGNAL(updateUrlLineEdit(QUrl)), this, SLOT(updateUrlLineEdit(QUrl)));
 306
 307     // Update the window title.
 308     connect(tabWidgetPointer, SIGNAL(updateWindowTitle(const QString)), this, SLOT(updateWindowTitle(const QString)));
 309
 310     // Get a handle for the status bar.
 311     QStatusBar *statusBarPointer = statusBar();
 312
 313     // Create a progress bar.
 314     progressBarPointer = new QProgressBar();
 315
 316     // Add the progress bar to to the status bar.
 317     statusBarPointer->addPermanentWidget(progressBarPointer);
 318
 319     // Update the status bar with the URL when a link is hovered.
 320     connect(tabWidgetPointer, SIGNAL(linkHovered(QString)), statusBarPointer, SLOT(showMessage(QString)));
 321
 322     // Update the progress bar.
 323     connect(tabWidgetPointer, SIGNAL(showProgressBar(const int)), this, SLOT(showProgressBar(const int)));
 324     connect(tabWidgetPointer, SIGNAL(hideProgressBar()), progressBarPointer, SLOT(hide()));
 325
 326     // Update the URL line edit focus.
 327     connect(tabWidgetPointer, SIGNAL(clearUrlLineEditFocus()), this, SLOT(clearUrlLineEditFocus()));
 328
 329     // Get the URL line edit palettes.
 330     normalBackgroundPalette = urlLineEditPointer->palette();
 331     negativeBackgroundPalette = normalBackgroundPalette;
 332     positiveBackgroundPalette = normalBackgroundPalette;
 333
 334     // Modify the palettes.
 335     KColorScheme::adjustBackground(negativeBackgroundPalette, KColorScheme::NegativeBackground);
 336     KColorScheme::adjustBackground(positiveBackgroundPalette, KColorScheme::PositiveBackground);
 337
 338     // Update the applied palette.
 339     connect(tabWidgetPointer, SIGNAL(updateDomainSettingsIndicator(const bool)), this, SLOT(updateDomainSettingsIndicator(const bool)));
 340
 341     // Process full screen requests.
 342     connect(tabWidgetPointer, SIGNAL(fullScreenRequested(bool)), this, SLOT(fullScreenRequested(bool)));
 343
 344     // Create keyboard shortcuts.
 345     QShortcut *ctrlTShortcutPointer = new QShortcut(QKeySequence(i18nc("The open new tab shortcut.", "Ctrl+t")), this);
 346     QShortcut *f11ShortcutPointer = new QShortcut(QKeySequence(i18nc("The toggle full screen shortcut.", "F11")), this);
 347     QShortcut *escapeShortcutPointer = new QShortcut(QKeySequence::Cancel, this);
 348
 349     // Connect the keyboard shortcuts to the actions.
 350     connect(ctrlTShortcutPointer, SIGNAL(activated()), tabWidgetPointer, SLOT(addTab()));
 351     connect(f11ShortcutPointer, SIGNAL(activated()), fullScreenActionPointer, SLOT(trigger()));
 352     connect(escapeShortcutPointer, SIGNAL(activated()), this, SLOT(escape()));
 353
 354     // Load the initial website if this is the first window.
 355     if (firstWindow)
 356         tabWidgetPointer->loadInitialWebsite();
 357 }
 358
 359 void BrowserWindow::addOrEditDomainSettings() const
 360 {
 361     // Remove the focus from the URL line edit.
 362     urlLineEditPointer->clearFocus();
 363
 364     // Create the domain settings dialog pointer.
 365     DomainSettingsDialog *domainSettingsDialogPointer;
 366
 367     // Get the current domain settings name.
 368     QString &currentDomainSettingsName = tabWidgetPointer->getDomainSettingsName();
 369
 370     // Run the commands according to the current domain settings status.
 371     if (currentDomainSettingsName == QStringLiteral(""))  // Domain settings are not currently applied.
 372     {
 373         // Instruct the domain settings dialog to add a new domain.
 374         domainSettingsDialogPointer = new DomainSettingsDialog(DomainSettingsDialog::ADD_DOMAIN, currentUrl.host());
 375     }
 376     else  // Domain settings are currently applied.
 377     {
 378         // Instruct the domain settings dialog to edit the current domain.
 379         domainSettingsDialogPointer = new DomainSettingsDialog(DomainSettingsDialog::EDIT_DOMAIN, currentDomainSettingsName);
 380     }
 381
 382     // Set the dialog window title.
 383     domainSettingsDialogPointer->setWindowTitle(i18nc("The domain settings dialog title", "Domain Settings"));
 384
 385     // Set the modality.
 386     domainSettingsDialogPointer->setWindowModality(Qt::WindowModality::WindowModal);;
 387
 388     // Show the dialog.
 389     domainSettingsDialogPointer->show();
 390
 391     // Reload the tabs when domain settings are updated.
 392     connect(domainSettingsDialogPointer, SIGNAL(domainSettingsUpdated()), tabWidgetPointer, SLOT(applyDomainSettingsAndReload()));
 393 }
 394
 395 void BrowserWindow::back() const
 396 {
 397     // Remove the focus from the URL line edit.
 398     urlLineEditPointer->clearFocus();
 399
 400     // Go back.
 401     tabWidgetPointer->back();
 402 }
 403
 404 void BrowserWindow::clearUrlLineEditFocus() const
 405 {
 406     // Remove the focus from the URL line edit.
 407     urlLineEditPointer->clearFocus();
 408 }
 409
 410 void BrowserWindow::escape() const
 411 {
 412     // Process the excape according to the status of the browser.
 413     if (fullScreenActionPointer->isChecked())  // Full screen browsing is enabled.
 414     {
 415         // Exit full screen browsing.
 416         fullScreenActionPointer->trigger();
 417     }
 418     else if (!findTextLineEditPointer->text().isEmpty())  // Find text is activated.
 419     {
 420         // Clear the text in the line edit.
 421         findTextLineEditPointer->clear();
 422
 423         // Clear the search in the WebEngine.
 424         tabWidgetPointer->findText(QStringLiteral(""));
 425     }
 426 }
 427
 428 void BrowserWindow::fileNew() const
 429 {
 430     // Display a new instance of Privacy Browser.
 431     (new BrowserWindow)->show();
 432 }
 433
 434 void BrowserWindow::findNext() const
 435 {
 436     // Get the find string.
 437     const QString findString = findTextLineEditPointer->text();
 438
 439     // Search for the text if it is not empty.
 440     if (!findString.isEmpty())
 441         tabWidgetPointer->findText(findString);
 442 }
 443
 444 void BrowserWindow::findPrevious() const
 445 {
 446     // Get the find string.
 447     const QString findString = findTextLineEditPointer->text();
 448
 449     // Search for the text if it is not empty.
 450     if (!findString.isEmpty())
 451         tabWidgetPointer->findPrevious(findString);
 452 }
 453
 454 void BrowserWindow::focusFindLineEdit() const
 455 {
 456     // Set the focus on the find line edit.
 457     findTextLineEditPointer->setFocus();
 458
 459     // Select all the text in the find line edit.
 460     findTextLineEditPointer->selectAll();
 461 }
 462
 463 void BrowserWindow::forward() const
 464 {
 465     // Remove the focus from the URL line edit.
 466     urlLineEditPointer->clearFocus();
 467
 468     // Go forward.
 469     tabWidgetPointer->forward();
 470 }
 471
 472 void BrowserWindow::fullScreenRequested(const bool toggleOn)
 473 {
 474     // Toggle full screen mode.
 475     if (toggleOn)  // Turn full screen mode on.
 476     {
 477         // Set the window to be full screen.
 478         fullScreenActionPointer->setFullScreen(window(), true);
 479
 480         // Hide all the bars.
 481         menuBar()->setVisible(false);
 482         navigationToolBarPointer->setVisible(false);
 483         urlToolBarPointer->setVisible(false);
 484         tabWidgetPointer->setTabBarVisible(false);
 485         statusBar()->setVisible(false);
 486     }
 487     else  // Turn full screen mode off.
 488     {
 489         // Set the window to not be full screen.
 490         fullScreenActionPointer->setFullScreen(window(), false);
 491
 492         // Show all the bars.
 493         menuBar()->setVisible(true);
 494         navigationToolBarPointer->setVisible(true);
 495         urlToolBarPointer->setVisible(true);
 496         tabWidgetPointer->setTabBarVisible(true);
 497         statusBar()->setVisible(true);
 498     }
 499 }
 500
 501 void BrowserWindow::getZoomFactorFromUser()
 502 {
 503     // Create an OK flag.
 504     bool okClicked;
 505
 506     // Display a dialog to get the new zoom factor from the user.  Format the double to display two decimals and have a 0.25 step.
 507     double newZoomFactor = QInputDialog::getDouble(this, i18nc("The on-the-fly zoom factor dialog title", "On-The-Fly Zoom Factor"),
 508                                                    i18nc("The instruction text of the on-the-fly zoom factor dialog", "Enter a zoom factor between 0.25 and 5.00"),
 509                                                    currentZoomFactor, .025, 5.00, 2, &okClicked, Qt::WindowFlags(), 0.25);
 510
 511     // Update the zoom factor if the user clicked OK.
 512     if (okClicked)
 513     {
 514         // Update the current zoom factor.
 515         currentZoomFactor = newZoomFactor;
 516
 517         // Set the new zoom factor.
 518         tabWidgetPointer->applyOnTheFlyZoomFactor(newZoomFactor);
 519
 520         // Update the on-the-fly action text.
 521         updateZoomFactorAction(newZoomFactor);
 522     }
 523 }
 524
 525 void BrowserWindow::home() const
 526 {
 527     // Remove the focus from the URL line edit.
 528     urlLineEditPointer->clearFocus();
 529
 530     // Go home.
 531     tabWidgetPointer->home();
 532 }
 533
 534 void BrowserWindow::loadUrlFromLineEdit(const QString &url) const
 535 {
 536     // Remove the focus from the URL line edit.
 537     urlLineEditPointer->clearFocus();
 538
 539     // Load the URL.
 540     tabWidgetPointer->loadUrlFromLineEdit(url);
 541 }
 542
 543 void BrowserWindow::refresh() const
 544 {
 545     // Remove the focus from the URL line edit.
 546     urlLineEditPointer->clearFocus();
 547
 548     // Refresh the web page.
 549     tabWidgetPointer->refresh();
 550 }
 551
 552 void BrowserWindow::showCookiesDialog()
 553 {
 554     // Remove the focus from the URL line edit.
 555     urlLineEditPointer->clearFocus();
 556
 557     // Instantiate the cookie settings dialog.
 558     CookiesDialog *cookiesDialogPointer = new CookiesDialog(tabWidgetPointer->getCookieList());
 559
 560     // Show the dialog.
 561     cookiesDialogPointer->show();
 562
 563     // Connect the dialog signals.
 564     connect(cookiesDialogPointer, SIGNAL(addCookie(QNetworkCookie)), tabWidgetPointer, SLOT(addCookieToStore(QNetworkCookie)));
 565     connect(cookiesDialogPointer, SIGNAL(deleteAllCookies()), tabWidgetPointer, SLOT(deleteAllCookies()));
 566     connect(cookiesDialogPointer, SIGNAL(deleteCookie(QNetworkCookie)), tabWidgetPointer, SLOT(deleteCookieFromStore(QNetworkCookie)));
 567 }
 568
 569 void BrowserWindow::showDownloadLocationBrowseDialog() const
 570 {
 571     // Get the current download location.
 572     QString currentDownloadLocation = downloadLocationComboBoxPointer->currentText();
 573
 574     // Resolve the system download directory if specified.
 575     if (currentDownloadLocation == QStringLiteral("System Download Directory"))
 576         currentDownloadLocation = QStandardPaths::writableLocation(QStandardPaths::DownloadLocation);
 577
 578     // Get the new download location.
 579     QString newDownloadLocation = QFileDialog::getExistingDirectory(configDialogPointer, i18nc("Select download location dialog caption", "Select Download Location"), currentDownloadLocation);
 580
 581     // Populate the download location combo box according to the new download location.
 582     if (newDownloadLocation == QStandardPaths::writableLocation(QStandardPaths::DownloadLocation))  // The default download location was selected.
 583     {
 584         // Populate the download location with the default text.
 585         downloadLocationComboBoxPointer->setCurrentText("System Download Directory");
 586     }
 587     else if (newDownloadLocation != QStringLiteral(""))  // A different directory was selected.
 588     {
 589         // Populate the download location.
 590         downloadLocationComboBoxPointer->setCurrentText(newDownloadLocation);
 591     }
 592 }
 593
 594 void BrowserWindow::showDomainSettingsDialog() const
 595 {
 596     // Remove the focus from the URL line edit.
 597     urlLineEditPointer->clearFocus();
 598
 599     // Instantiate the domain settings dialog.
 600     DomainSettingsDialog *domainSettingsDialogPointer = new DomainSettingsDialog();
 601
 602     // Show the dialog.
 603     domainSettingsDialogPointer->show();
 604
 605     // Reload the tabs when domain settings are updated.
 606     connect(domainSettingsDialogPointer, SIGNAL(domainSettingsUpdated()), tabWidgetPointer, SLOT(applyDomainSettingsAndReload()));
 607 }
 608
 609 void BrowserWindow::showProgressBar(const int &progress) const
 610 {
 611     // Set the progress bar value.
 612     progressBarPointer->setValue(progress);
 613
 614     // Show the progress bar.
 615     progressBarPointer->show();
 616 }
 617
 618 void BrowserWindow::showSettingsDialog()
 619 {
 620     // Create the settings widgets.
 621     QWidget *privacySettingsWidgetPointer = new QWidget;
 622     QWidget *generalSettingsWidgetPointer = new QWidget;
 623
 624     // Instantiate the settings UI.
 625     Ui::PrivacySettings privacySettingsUi;
 626     Ui::GeneralSettings generalSettingsUi;
 627
 628     // Setup the UI to display the settings widgets.
 629     privacySettingsUi.setupUi(privacySettingsWidgetPointer);
 630     generalSettingsUi.setupUi(generalSettingsWidgetPointer);
 631
 632     // Get handles for the widgets.
 633     QComboBox *userAgentComboBoxPointer = privacySettingsUi.kcfg_userAgent;
 634     userAgentLabelPointer = privacySettingsUi.userAgentLabel;
 635     QComboBox *searchEngineComboBoxPointer = generalSettingsUi.kcfg_searchEngine;
 636     searchEngineLabelPointer = generalSettingsUi.searchEngineLabel;
 637     downloadLocationComboBoxPointer = generalSettingsUi.kcfg_downloadLocation;
 638     QPushButton *browseButtonPointer = generalSettingsUi.browseButton;
 639
 640     // Populate the combo box labels.
 641     updateUserAgentLabel(userAgentComboBoxPointer->currentText());
 642     updateSearchEngineLabel(searchEngineComboBoxPointer->currentText());
 643
 644     // Update the labels when the combo boxes change.
 645     connect(userAgentComboBoxPointer, SIGNAL(currentTextChanged(const QString)), this, SLOT(updateUserAgentLabel(const QString)));
 646     connect(searchEngineComboBoxPointer, SIGNAL(currentTextChanged(const QString)), this, SLOT(updateSearchEngineLabel(const QString)));
 647
 648     // Connect the download location directory browse button.
 649     connect(browseButtonPointer, SIGNAL(clicked()), this, SLOT(showDownloadLocationBrowseDialog()));
 650
 651     // Instantiate a settings config dialog from the settings.kcfg file.
 652     configDialogPointer = new KConfigDialog(this, QStringLiteral("settings"), Settings::self());
 653
 654     // Add the settings widgets as config dialog pages.
 655     configDialogPointer->addPage(privacySettingsWidgetPointer, i18nc("@title:tab", "Privacy"), QStringLiteral("privacy-browser"));
 656     configDialogPointer->addPage(generalSettingsWidgetPointer, i18nc("@title:tab", "General"), QStringLiteral("breeze-settings"));
 657
 658     // Prevent interaction with the parent window while the dialog is open.
 659     configDialogPointer->setWindowModality(Qt::WindowModal);
 660
 661     // Make it so.
 662     configDialogPointer->show();
 663
 664     // TODO.  KConfigDialog does not respect expanding size policies.  <https://redmine.stoutner.com/issues/823>
 665     //configDialogPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 666     //privacySettingsWidgetPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 667     //generalSettingsWidgetPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 668     //configDialogPointer->adjustSize();
 669
 670     // Expand the config dialog.
 671     configDialogPointer->resize(1000, 500);
 672
 673     // Apply the settings when they are updated.
 674     connect(configDialogPointer, SIGNAL(settingsChanged(QString)), tabWidgetPointer, SLOT(applyApplicationSettings()));
 675     connect(configDialogPointer, SIGNAL(settingsChanged(QString)), tabWidgetPointer, SLOT(applyDomainSettingsAndReload()));
 676 }
 677
 678 QSize BrowserWindow::sizeHint() const
 679 {
 680     // Return the default window size.
 681     return QSize(1500, 1200);
 682 }
 683
 684 void BrowserWindow::toggleDomStorage() const
 685 {
 686     // Remove the focus from the URL line edit.
 687     urlLineEditPointer->clearFocus();
 688
 689     // Toggle DOM storage.
 690     tabWidgetPointer->toggleDomStorage();
 691 }
 692
 693 void BrowserWindow::toggleFindCaseSensitive() const
 694 {
 695     // Get the current find string.
 696     const QString findString = findTextLineEditPointer->text();
 697
 698     // Toggle find case sensitive.
 699     tabWidgetPointer->toggleFindCaseSensitive(findString);
 700 }
 701
 702 void BrowserWindow::toggleJavaScript() const
 703 {
 704     // Remove the focus from the URL line edit.
 705     urlLineEditPointer->clearFocus();
 706
 707     // Toggle JavaScript.
 708     tabWidgetPointer->toggleJavaScript();
 709 }
 710
 711 void BrowserWindow::toggleLocalStorage() const
 712 {
 713     // Remove the focus from the URL line edit.
 714     urlLineEditPointer->clearFocus();
 715
 716     // Toggle local storage.
 717     tabWidgetPointer->toggleLocalStorage();
 718 }
 719
 720 void BrowserWindow::toggleFullScreen()
 721 {
 722     // Toggle the full screen status.
 723     if (fullScreenActionPointer->isChecked())  // Enable full screen browsing mode.
 724     {
 725         // Enable full screen mode.
 726         fullScreenActionPointer->setFullScreen(window(), true);
 727
 728         // Hide the menu bar if specified.
 729         if (Settings::fullScreenHideMenuBar())
 730             menuBar()->setVisible(false);
 731
 732         // Hide the toolbars if specified.
 733         if (Settings::fullScreenHideToolBars())
 734         {
 735             navigationToolBarPointer->setVisible(false);
 736             urlToolBarPointer->setVisible(false);
 737         }
 738
 739         // Hide the tab bar if specified.
 740         if (Settings::fullScreenHideTabBar())
 741             tabWidgetPointer->setTabBarVisible(false);
 742
 743         // Hide the status bar if specified.
 744         if (Settings::fullScreenHideStatusBar())
 745             statusBar()->setVisible(false);
 746     }
 747     else  // Disable full screen browsing mode.
 748     {
 749         // Disable full screen mode.
 750         fullScreenActionPointer->setFullScreen(window(), false);
 751
 752         // Show the menu bar.
 753         menuBar()->setVisible(true);
 754
 755         // Show the toolbars.
 756         navigationToolBarPointer->setVisible(true);
 757         urlToolBarPointer->setVisible(true);
 758
 759         // Show the tab bar.
 760         tabWidgetPointer->setTabBarVisible(true);
 761
 762         // Show the status bar.
 763         statusBar()->setVisible(true);
 764     }
 765 }
 766
 767 void BrowserWindow::updateCookiesAction(const int numberOfCookies) const
 768 {
 769     // Update the action text.
 770     cookiesActionPointer->setText(i18nc("The Cookies action, which also displays the number of cookies", "Cookies - %1", numberOfCookies));
 771 }
 772
 773 void BrowserWindow::updateDomStorageAction(const bool &isEnabled) const
 774 {
 775     // Set the action checked status.
 776     domStorageActionPointer->setChecked(isEnabled);
 777 }
 778
 779 void BrowserWindow::updateDomainSettingsIndicator(const bool status)
 780 {
 781     // Set the domain palette according to the status.
 782     if (status)
 783         urlLineEditPointer->setPalette(positiveBackgroundPalette);
 784     else
 785         urlLineEditPointer->setPalette(normalBackgroundPalette);
 786 }
 787
 788 void BrowserWindow::updateFindText(const QString &text, const bool findCaseSensitive) const
 789 {
 790     // Set the text.
 791     findTextLineEditPointer->setText(text);
 792
 793     // Set the find case sensitive action checked status.
 794     findCaseSensitiveActionPointer->setChecked(findCaseSensitive);
 795 }
 796
 797 void BrowserWindow::updateFindTextResults(const QWebEngineFindTextResult &findTextResult) const
 798 {
 799     // Update the find text label.
 800     findTextLabelPointer->setText(QStringLiteral("  %1/%2  ").arg(findTextResult.activeMatch()).arg(findTextResult.numberOfMatches()));
 801
 802     // Set the background color according to the find status.
 803     if (findTextLineEditPointer->text().isEmpty())
 804         findTextLineEditPointer->setPalette(normalBackgroundPalette);
 805     else if (findTextResult.numberOfMatches() == 0)
 806         findTextLineEditPointer->setPalette(negativeBackgroundPalette);
 807     else
 808         findTextLineEditPointer->setPalette(positiveBackgroundPalette);
 809 }
 810
 811 void BrowserWindow::updateJavaScriptAction(const bool &isEnabled)
 812 {
 813     // Update the JavaScript status.
 814     javaScriptEnabled = isEnabled;
 815
 816     // Set the icon according to the status.
 817     if (javaScriptEnabled)
 818         javaScriptActionPointer->setIcon(QIcon(QStringLiteral(":/icons/javascript-warning")));
 819     else
 820         javaScriptActionPointer->setIcon(QIcon(QStringLiteral(":/icons/privacy-mode")));
 821
 822     // Set the action checked status.
 823     javaScriptActionPointer->setChecked(javaScriptEnabled);
 824
 825     // Update the status of the DOM storage action.
 826     domStorageActionPointer->setEnabled(javaScriptEnabled & localStorageEnabled);
 827 }
 828
 829 void BrowserWindow::updateLocalStorageAction(const bool &isEnabled)
 830 {
 831     // Update the local storage status.
 832     localStorageEnabled = isEnabled;
 833
 834     // Update the icon.
 835     if (localStorageEnabled)
 836         localStorageActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("disk-quota-high")));
 837     else
 838         localStorageActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("disk-quota")));
 839
 840     // Set the action checked status.
 841     localStorageActionPointer->setChecked(localStorageEnabled);
 842
 843     // Update the status of the DOM storage action.
 844     domStorageActionPointer->setEnabled(localStorageEnabled & javaScriptEnabled);
 845 }
 846
 847 void BrowserWindow::updateSearchEngineActions(const QString &searchEngine, const bool &updateCustomSearchEngineStatus)
 848 {
 849     // Initialize the custom search engine flag.
 850     bool customSearchEngine = false;
 851
 852     if (searchEngine == "Mojeek")  // Mojeek.
 853     {
 854         // Check the Mojeek user agent action.
 855         searchEngineMojeekActionPointer->setChecked(true);
 856
 857         // Update the search engine menu action text.
 858         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Mojeek"));
 859     }
 860     else if (searchEngine == "Monocles")  // Monocles.
 861     {
 862         // Check the Monocles user agent action.
 863         searchEngineMonoclesActionPointer->setChecked(true);
 864
 865         // Update the search engine menu action text.
 866         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Monocles"));
 867     }
 868     else if (searchEngine == "MetaGer")  // MetaGer.
 869     {
 870         // Check the MetaGer user agent action.
 871         searchEngineMetagerActionPointer->setChecked(true);
 872
 873         // Update the search engine menu action text.
 874         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - MetaGer"));
 875     }
 876     else if (searchEngine == "Google")  // Google.
 877     {
 878         // Check the Google user agent action.
 879         searchEngineGoogleActionPointer->setChecked(true);
 880
 881         // Update the search engine menu action text.
 882         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Google"));
 883     }
 884     else if (searchEngine == "Bing")  // Bing.
 885     {
 886         // Check the Bing user agent action.
 887         searchEngineBingActionPointer->setChecked(true);
 888
 889         // Update the search engine menu action text.
 890         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Bing"));
 891     }
 892     else if (searchEngine == "Yahoo")  // Yahoo.
 893     {
 894         // Check the Yahoo user agent action.
 895         searchEngineYahooActionPointer->setChecked(true);
 896
 897         // Update the search engine menu action text.
 898         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Yahoo"));
 899     }
 900     else  // Custom search engine.
 901     {
 902         // Check the user agent.
 903         searchEngineCustomActionPointer->setChecked(true);
 904
 905         // Update the search engine menu action text.
 906         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Custom"));
 907
 908         // Set the custom search engine text.
 909         searchEngineCustomActionPointer->setText(searchEngine);
 910
 911         // Set the custom search engine flag.
 912         customSearchEngine = true;
 913     }
 914
 915     // Update the custom search engine enabled boolean.
 916     if (updateCustomSearchEngineStatus)
 917         customSearchEngineEnabled = customSearchEngine;
 918
 919     // Format the custom search engine.
 920     if (customSearchEngineEnabled)
 921     {
 922         // Enable the custom search engine.
 923         searchEngineCustomActionPointer->setEnabled(true);
 924     }
 925     else
 926     {
 927         // Disable the custom search engine.
 928         searchEngineCustomActionPointer->setEnabled(false);
 929
 930         // Reset the custom search engine text.
 931         searchEngineCustomActionPointer->setText(i18nc("@action", "Custom"));
 932     }
 933 }
 934
 935 void BrowserWindow::updateUserAgentActions(const QString &userAgent, const bool &updateCustomUserAgentStatus)
 936 {
 937     // Initialize the custom user agent flag.
 938     bool customUserAgent = false;
 939
 940     // Check the indicated on-the-fly user agent.
 941     if (userAgent == UserAgentHelper::PRIVACY_BROWSER_USER_AGENT)  // Privacy Browser.
 942     {
 943         // Check the Privacy Browser user agent action.
 944         userAgentPrivacyBrowserActionPointer->setChecked(true);
 945
 946         // Update the user agent menu action text.
 947         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Privacy Browser"));
 948     }
 949     else if (userAgent == TabWidget::webEngineDefaultUserAgent)  // WebEngine default.
 950     {
 951         // check the WebEngine default user agent action.
 952         userAgentWebEngineDefaultActionPointer->setChecked(true);
 953
 954         // Update the user agent menu action text.
 955         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - WebEngine default"));
 956     }
 957     else if (userAgent == UserAgentHelper::FIREFOX_LINUX_USER_AGENT)  // Firefox on Linux.
 958     {
 959         // Check the Firefox on Linux user agent action.
 960         userAgentFirefoxLinuxActionPointer->setChecked(true);
 961
 962         // Update the user agent menu action text.
 963         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Firefox on Linux"));
 964     }
 965     else if (userAgent == UserAgentHelper::CHROMIUM_LINUX_USER_AGENT)  // Chromium on Linux.
 966     {
 967         // Check the Chromium on Linux user agent action.
 968         userAgentChromiumLinuxActionPointer->setChecked(true);
 969
 970         // Update the user agent menu action text.
 971         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Chromium on Linux"));
 972     }
 973     else if (userAgent == UserAgentHelper::FIREFOX_WINDOWS_USER_AGENT)  // Firefox on Windows.
 974     {
 975         // Check the Firefox on Windows user agent action.
 976         userAgentFirefoxWindowsActionPointer->setChecked(true);
 977
 978         // Update the user agent menu action text.
 979         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Firefox on Windows"));
 980     }
 981     else if (userAgent == UserAgentHelper::CHROME_WINDOWS_USER_AGENT)  // Chrome on Windows.
 982     {
 983         // Check the Chrome on Windows user agent action.
 984         userAgentChromeWindowsActionPointer->setChecked(true);
 985
 986         // Update the user agent menu action text.
 987         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Chrome on Windows"));
 988     }
 989     else if (userAgent == UserAgentHelper::EDGE_WINDOWS_USER_AGENT)  // Edge on Windows.
 990     {
 991         // Check the Edge on Windows user agent action.
 992         userAgentEdgeWindowsActionPointer->setChecked(true);
 993
 994         // Update the user agent menu action text.
 995         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Edge on Windows"));
 996     }
 997     else if (userAgent == UserAgentHelper::SAFARI_MACOS_USER_AGENT)  // Safari on macOS.
 998     {
 999         // Check the Safari on macOS user agent action.
1000         userAgentSafariMacosActionPointer->setChecked(true);
1001
1002         // Update the user agent menu action text.
1003         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Safari on macOS"));
1004     }
1005     else  // Custom user agent.
1006     {
1007         // Check the user agent.
1008         userAgentCustomActionPointer->setChecked(true);
1009
1010         // Update the user agent menu action text.
1011         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Custom"));
1012
1013         // Set the custom user agent text.
1014         userAgentCustomActionPointer->setText(userAgent);
1015
1016         // Set the custom user agent flag.
1017         customUserAgent = true;
1018     }
1019
1020     // Update the custom user agent enabled boolean.
1021     if (updateCustomUserAgentStatus)
1022         customUserAgentEnabled = customUserAgent;
1023
1024
1025     // Format the custom user agent.
1026     if (customUserAgentEnabled)
1027     {
1028         // Enable the custom user agent.
1029         userAgentCustomActionPointer->setEnabled(true);
1030     }
1031     else
1032     {
1033         // Disable the custom user agent.
1034         userAgentCustomActionPointer->setEnabled(false);
1035
1036         // Reset the custom user agent text.
1037         userAgentCustomActionPointer->setText(i18nc("@action", "Custom"));
1038     }
1039 }
1040
1041 void BrowserWindow::updateZoomFactorAction(const double &zoomFactor)
1042 {
1043     // Set the current zoom factor.
1044     currentZoomFactor = zoomFactor;
1045
1046     // Update the zoom factor action text, formatting the double with 2 decimal places.
1047     zoomFactorActionPointer->setText(ki18nc("@action", "Zoom Factor - %1").subs(zoomFactor, 0, '0', 2).toString());
1048 }
1049
1050 void BrowserWindow::updateSearchEngineLabel(const QString &searchEngineString) const
1051 {
1052     // Update the search engine label.
1053     searchEngineLabelPointer->setText(SearchEngineHelper::getSearchUrl(searchEngineString));
1054 }
1055
1056 void BrowserWindow::updateUrlLineEdit(const QUrl &newUrl)
1057 {
1058     // Update the URL line edit if it does not have focus.
1059     if (!urlLineEditPointer->hasFocus())
1060     {
1061         // Get the new URL string.
1062         QString newUrlString = newUrl.toString();
1063
1064         // Update the URL line edit.
1065         urlLineEditPointer->setText(newUrlString);
1066
1067         // Set the focus if the new URL is blank.
1068         if (newUrlString == QStringLiteral(""))
1069             urlLineEditPointer->setFocus();
1070     }
1071
1072     // Store the current URL.
1073     currentUrl = newUrl;
1074 }
1075
1076 void BrowserWindow::updateUserAgentLabel(const QString &userAgentDatabaseName) const
1077 {
1078     // Update the user agent label.
1079     userAgentLabelPointer->setText(UserAgentHelper::getUserAgentFromDatabaseName(userAgentDatabaseName));
1080 }
1081
1082 void BrowserWindow::updateWindowTitle(const QString &title)
1083 {
1084     // Update the window title.
1085     setWindowTitle(title);
1086 }