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     // Populate the UI.
 355     // This must be done here, because otherwise, if a URL is loaded, like a local file, that does not trigger a call to TabWidget::applyDomainSettings, the UI will not be fully populated.
 356     updateJavaScriptAction(Settings::javaScriptEnabled());
 357     updateLocalStorageAction(Settings::localStorageEnabled());
 358     updateDomStorageAction(Settings::domStorageEnabled());
 359     updateUserAgentActions(UserAgentHelper::getUserAgentFromDatabaseName(Settings::userAgent()), true);
 360     updateZoomFactorAction(Settings::zoomFactor());
 361
 362     // Load the initial website if this is the first window.
 363     if (firstWindow)
 364         tabWidgetPointer->loadInitialWebsite();
 365 }
 366
 367 void BrowserWindow::addOrEditDomainSettings() const
 368 {
 369     // Remove the focus from the URL line edit.
 370     urlLineEditPointer->clearFocus();
 371
 372     // Create the domain settings dialog pointer.
 373     DomainSettingsDialog *domainSettingsDialogPointer;
 374
 375     // Get the current domain settings name.
 376     QString &currentDomainSettingsName = tabWidgetPointer->getDomainSettingsName();
 377
 378     // Run the commands according to the current domain settings status.
 379     if (currentDomainSettingsName == QStringLiteral(""))  // Domain settings are not currently applied.
 380     {
 381         // Instruct the domain settings dialog to add a new domain.
 382         domainSettingsDialogPointer = new DomainSettingsDialog(DomainSettingsDialog::ADD_DOMAIN, currentUrl.host());
 383     }
 384     else  // Domain settings are currently applied.
 385     {
 386         // Instruct the domain settings dialog to edit the current domain.
 387         domainSettingsDialogPointer = new DomainSettingsDialog(DomainSettingsDialog::EDIT_DOMAIN, currentDomainSettingsName);
 388     }
 389
 390     // Set the dialog window title.
 391     domainSettingsDialogPointer->setWindowTitle(i18nc("The domain settings dialog title", "Domain Settings"));
 392
 393     // Set the modality.
 394     domainSettingsDialogPointer->setWindowModality(Qt::WindowModality::WindowModal);;
 395
 396     // Show the dialog.
 397     domainSettingsDialogPointer->show();
 398
 399     // Reload the tabs when domain settings are updated.
 400     connect(domainSettingsDialogPointer, SIGNAL(domainSettingsUpdated()), tabWidgetPointer, SLOT(applyDomainSettingsAndReload()));
 401 }
 402
 403 void BrowserWindow::back() const
 404 {
 405     // Remove the focus from the URL line edit.
 406     urlLineEditPointer->clearFocus();
 407
 408     // Go back.
 409     tabWidgetPointer->back();
 410 }
 411
 412 void BrowserWindow::clearUrlLineEditFocus() const
 413 {
 414     // Remove the focus from the URL line edit.
 415     urlLineEditPointer->clearFocus();
 416 }
 417
 418 void BrowserWindow::escape() const
 419 {
 420     // Process the excape according to the status of the browser.
 421     if (fullScreenActionPointer->isChecked())  // Full screen browsing is enabled.
 422     {
 423         // Exit full screen browsing.
 424         fullScreenActionPointer->trigger();
 425     }
 426     else if (!findTextLineEditPointer->text().isEmpty())  // Find text is activated.
 427     {
 428         // Clear the text in the line edit.
 429         findTextLineEditPointer->clear();
 430
 431         // Clear the search in the WebEngine.
 432         tabWidgetPointer->findText(QStringLiteral(""));
 433     }
 434 }
 435
 436 void BrowserWindow::fileNew() const
 437 {
 438     // Display a new instance of Privacy Browser.
 439     (new BrowserWindow)->show();
 440 }
 441
 442 void BrowserWindow::findNext() const
 443 {
 444     // Get the find string.
 445     const QString findString = findTextLineEditPointer->text();
 446
 447     // Search for the text if it is not empty.
 448     if (!findString.isEmpty())
 449         tabWidgetPointer->findText(findString);
 450 }
 451
 452 void BrowserWindow::findPrevious() const
 453 {
 454     // Get the find string.
 455     const QString findString = findTextLineEditPointer->text();
 456
 457     // Search for the text if it is not empty.
 458     if (!findString.isEmpty())
 459         tabWidgetPointer->findPrevious(findString);
 460 }
 461
 462 void BrowserWindow::focusFindLineEdit() const
 463 {
 464     // Set the focus on the find line edit.
 465     findTextLineEditPointer->setFocus();
 466
 467     // Select all the text in the find line edit.
 468     findTextLineEditPointer->selectAll();
 469 }
 470
 471 void BrowserWindow::forward() const
 472 {
 473     // Remove the focus from the URL line edit.
 474     urlLineEditPointer->clearFocus();
 475
 476     // Go forward.
 477     tabWidgetPointer->forward();
 478 }
 479
 480 void BrowserWindow::fullScreenRequested(const bool toggleOn)
 481 {
 482     // Toggle full screen mode.
 483     if (toggleOn)  // Turn full screen mode on.
 484     {
 485         // Set the window to be full screen.
 486         fullScreenActionPointer->setFullScreen(window(), true);
 487
 488         // Hide all the bars.
 489         menuBar()->setVisible(false);
 490         navigationToolBarPointer->setVisible(false);
 491         urlToolBarPointer->setVisible(false);
 492         tabWidgetPointer->setTabBarVisible(false);
 493         statusBar()->setVisible(false);
 494     }
 495     else  // Turn full screen mode off.
 496     {
 497         // Set the window to not be full screen.
 498         fullScreenActionPointer->setFullScreen(window(), false);
 499
 500         // Show all the bars.
 501         menuBar()->setVisible(true);
 502         navigationToolBarPointer->setVisible(true);
 503         urlToolBarPointer->setVisible(true);
 504         tabWidgetPointer->setTabBarVisible(true);
 505         statusBar()->setVisible(true);
 506     }
 507 }
 508
 509 void BrowserWindow::getZoomFactorFromUser()
 510 {
 511     // Create an OK flag.
 512     bool okClicked;
 513
 514     // 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.
 515     double newZoomFactor = QInputDialog::getDouble(this, i18nc("The on-the-fly zoom factor dialog title", "On-The-Fly Zoom Factor"),
 516                                                    i18nc("The instruction text of the on-the-fly zoom factor dialog", "Enter a zoom factor between 0.25 and 5.00"),
 517                                                    currentZoomFactor, .025, 5.00, 2, &okClicked, Qt::WindowFlags(), 0.25);
 518
 519     // Update the zoom factor if the user clicked OK.
 520     if (okClicked)
 521     {
 522         // Update the current zoom factor.
 523         currentZoomFactor = newZoomFactor;
 524
 525         // Set the new zoom factor.
 526         tabWidgetPointer->applyOnTheFlyZoomFactor(newZoomFactor);
 527
 528         // Update the on-the-fly action text.
 529         updateZoomFactorAction(newZoomFactor);
 530     }
 531 }
 532
 533 void BrowserWindow::home() const
 534 {
 535     // Remove the focus from the URL line edit.
 536     urlLineEditPointer->clearFocus();
 537
 538     // Go home.
 539     tabWidgetPointer->home();
 540 }
 541
 542 void BrowserWindow::loadUrlFromLineEdit(const QString &url) const
 543 {
 544     // Remove the focus from the URL line edit.
 545     urlLineEditPointer->clearFocus();
 546
 547     // Load the URL.
 548     tabWidgetPointer->loadUrlFromLineEdit(url);
 549 }
 550
 551 void BrowserWindow::refresh() const
 552 {
 553     // Remove the focus from the URL line edit.
 554     urlLineEditPointer->clearFocus();
 555
 556     // Refresh the web page.
 557     tabWidgetPointer->refresh();
 558 }
 559
 560 void BrowserWindow::showCookiesDialog()
 561 {
 562     // Remove the focus from the URL line edit.
 563     urlLineEditPointer->clearFocus();
 564
 565     // Instantiate the cookie settings dialog.
 566     CookiesDialog *cookiesDialogPointer = new CookiesDialog(tabWidgetPointer->getCookieList());
 567
 568     // Show the dialog.
 569     cookiesDialogPointer->show();
 570
 571     // Connect the dialog signals.
 572     connect(cookiesDialogPointer, SIGNAL(addCookie(QNetworkCookie)), tabWidgetPointer, SLOT(addCookieToStore(QNetworkCookie)));
 573     connect(cookiesDialogPointer, SIGNAL(deleteAllCookies()), tabWidgetPointer, SLOT(deleteAllCookies()));
 574     connect(cookiesDialogPointer, SIGNAL(deleteCookie(QNetworkCookie)), tabWidgetPointer, SLOT(deleteCookieFromStore(QNetworkCookie)));
 575 }
 576
 577 void BrowserWindow::showDownloadLocationBrowseDialog() const
 578 {
 579     // Get the current download location.
 580     QString currentDownloadLocation = downloadLocationComboBoxPointer->currentText();
 581
 582     // Resolve the system download directory if specified.
 583     if (currentDownloadLocation == QStringLiteral("System Download Directory"))
 584         currentDownloadLocation = QStandardPaths::writableLocation(QStandardPaths::DownloadLocation);
 585
 586     // Get the new download location.
 587     QString newDownloadLocation = QFileDialog::getExistingDirectory(configDialogPointer, i18nc("Select download location dialog caption", "Select Download Location"), currentDownloadLocation);
 588
 589     // Populate the download location combo box according to the new download location.
 590     if (newDownloadLocation == QStandardPaths::writableLocation(QStandardPaths::DownloadLocation))  // The default download location was selected.
 591     {
 592         // Populate the download location with the default text.
 593         downloadLocationComboBoxPointer->setCurrentText("System Download Directory");
 594     }
 595     else if (newDownloadLocation != QStringLiteral(""))  // A different directory was selected.
 596     {
 597         // Populate the download location.
 598         downloadLocationComboBoxPointer->setCurrentText(newDownloadLocation);
 599     }
 600 }
 601
 602 void BrowserWindow::showDomainSettingsDialog() const
 603 {
 604     // Remove the focus from the URL line edit.
 605     urlLineEditPointer->clearFocus();
 606
 607     // Instantiate the domain settings dialog.
 608     DomainSettingsDialog *domainSettingsDialogPointer = new DomainSettingsDialog();
 609
 610     // Show the dialog.
 611     domainSettingsDialogPointer->show();
 612
 613     // Reload the tabs when domain settings are updated.
 614     connect(domainSettingsDialogPointer, SIGNAL(domainSettingsUpdated()), tabWidgetPointer, SLOT(applyDomainSettingsAndReload()));
 615 }
 616
 617 void BrowserWindow::showProgressBar(const int &progress) const
 618 {
 619     // Set the progress bar value.
 620     progressBarPointer->setValue(progress);
 621
 622     // Show the progress bar.
 623     progressBarPointer->show();
 624 }
 625
 626 void BrowserWindow::showSettingsDialog()
 627 {
 628     // Create the settings widgets.
 629     QWidget *privacySettingsWidgetPointer = new QWidget;
 630     QWidget *generalSettingsWidgetPointer = new QWidget;
 631
 632     // Instantiate the settings UI.
 633     Ui::PrivacySettings privacySettingsUi;
 634     Ui::GeneralSettings generalSettingsUi;
 635
 636     // Setup the UI to display the settings widgets.
 637     privacySettingsUi.setupUi(privacySettingsWidgetPointer);
 638     generalSettingsUi.setupUi(generalSettingsWidgetPointer);
 639
 640     // Get handles for the widgets.
 641     QComboBox *userAgentComboBoxPointer = privacySettingsUi.kcfg_userAgent;
 642     userAgentLabelPointer = privacySettingsUi.userAgentLabel;
 643     QComboBox *searchEngineComboBoxPointer = generalSettingsUi.kcfg_searchEngine;
 644     searchEngineLabelPointer = generalSettingsUi.searchEngineLabel;
 645     downloadLocationComboBoxPointer = generalSettingsUi.kcfg_downloadLocation;
 646     QPushButton *browseButtonPointer = generalSettingsUi.browseButton;
 647
 648     // Populate the combo box labels.
 649     updateUserAgentLabel(userAgentComboBoxPointer->currentText());
 650     updateSearchEngineLabel(searchEngineComboBoxPointer->currentText());
 651
 652     // Update the labels when the combo boxes change.
 653     connect(userAgentComboBoxPointer, SIGNAL(currentTextChanged(const QString)), this, SLOT(updateUserAgentLabel(const QString)));
 654     connect(searchEngineComboBoxPointer, SIGNAL(currentTextChanged(const QString)), this, SLOT(updateSearchEngineLabel(const QString)));
 655
 656     // Connect the download location directory browse button.
 657     connect(browseButtonPointer, SIGNAL(clicked()), this, SLOT(showDownloadLocationBrowseDialog()));
 658
 659     // Instantiate a settings config dialog from the settings.kcfg file.
 660     configDialogPointer = new KConfigDialog(this, QStringLiteral("settings"), Settings::self());
 661
 662     // Add the settings widgets as config dialog pages.
 663     configDialogPointer->addPage(privacySettingsWidgetPointer, i18nc("@title:tab", "Privacy"), QStringLiteral("privacy-browser"));
 664     configDialogPointer->addPage(generalSettingsWidgetPointer, i18nc("@title:tab", "General"), QStringLiteral("breeze-settings"));
 665
 666     // Prevent interaction with the parent window while the dialog is open.
 667     configDialogPointer->setWindowModality(Qt::WindowModal);
 668
 669     // Make it so.
 670     configDialogPointer->show();
 671
 672     // TODO.  KConfigDialog does not respect expanding size policies.  <https://redmine.stoutner.com/issues/823>
 673     //configDialogPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 674     //privacySettingsWidgetPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 675     //generalSettingsWidgetPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 676     //configDialogPointer->adjustSize();
 677
 678     // Expand the config dialog.
 679     configDialogPointer->resize(1000, 500);
 680
 681     // Apply the settings when they are updated.
 682     connect(configDialogPointer, SIGNAL(settingsChanged(QString)), tabWidgetPointer, SLOT(applyApplicationSettings()));
 683     connect(configDialogPointer, SIGNAL(settingsChanged(QString)), tabWidgetPointer, SLOT(applyDomainSettingsAndReload()));
 684 }
 685
 686 QSize BrowserWindow::sizeHint() const
 687 {
 688     // Return the default window size.
 689     return QSize(1500, 1200);
 690 }
 691
 692 void BrowserWindow::toggleDomStorage() const
 693 {
 694     // Remove the focus from the URL line edit.
 695     urlLineEditPointer->clearFocus();
 696
 697     // Toggle DOM storage.
 698     tabWidgetPointer->toggleDomStorage();
 699 }
 700
 701 void BrowserWindow::toggleFindCaseSensitive() const
 702 {
 703     // Get the current find string.
 704     const QString findString = findTextLineEditPointer->text();
 705
 706     // Toggle find case sensitive.
 707     tabWidgetPointer->toggleFindCaseSensitive(findString);
 708 }
 709
 710 void BrowserWindow::toggleJavaScript() const
 711 {
 712     // Remove the focus from the URL line edit.
 713     urlLineEditPointer->clearFocus();
 714
 715     // Toggle JavaScript.
 716     tabWidgetPointer->toggleJavaScript();
 717 }
 718
 719 void BrowserWindow::toggleLocalStorage() const
 720 {
 721     // Remove the focus from the URL line edit.
 722     urlLineEditPointer->clearFocus();
 723
 724     // Toggle local storage.
 725     tabWidgetPointer->toggleLocalStorage();
 726 }
 727
 728 void BrowserWindow::toggleFullScreen()
 729 {
 730     // Toggle the full screen status.
 731     if (fullScreenActionPointer->isChecked())  // Enable full screen browsing mode.
 732     {
 733         // Enable full screen mode.
 734         fullScreenActionPointer->setFullScreen(window(), true);
 735
 736         // Hide the menu bar if specified.
 737         if (Settings::fullScreenHideMenuBar())
 738             menuBar()->setVisible(false);
 739
 740         // Hide the toolbars if specified.
 741         if (Settings::fullScreenHideToolBars())
 742         {
 743             navigationToolBarPointer->setVisible(false);
 744             urlToolBarPointer->setVisible(false);
 745         }
 746
 747         // Hide the tab bar if specified.
 748         if (Settings::fullScreenHideTabBar())
 749             tabWidgetPointer->setTabBarVisible(false);
 750
 751         // Hide the status bar if specified.
 752         if (Settings::fullScreenHideStatusBar())
 753             statusBar()->setVisible(false);
 754     }
 755     else  // Disable full screen browsing mode.
 756     {
 757         // Disable full screen mode.
 758         fullScreenActionPointer->setFullScreen(window(), false);
 759
 760         // Show the menu bar.
 761         menuBar()->setVisible(true);
 762
 763         // Show the toolbars.
 764         navigationToolBarPointer->setVisible(true);
 765         urlToolBarPointer->setVisible(true);
 766
 767         // Show the tab bar.
 768         tabWidgetPointer->setTabBarVisible(true);
 769
 770         // Show the status bar.
 771         statusBar()->setVisible(true);
 772     }
 773 }
 774
 775 void BrowserWindow::updateCookiesAction(const int numberOfCookies) const
 776 {
 777     // Update the action text.
 778     cookiesActionPointer->setText(i18nc("The Cookies action, which also displays the number of cookies", "Cookies - %1", numberOfCookies));
 779 }
 780
 781 void BrowserWindow::updateDomStorageAction(const bool &isEnabled) const
 782 {
 783     // Set the action checked status.
 784     domStorageActionPointer->setChecked(isEnabled);
 785 }
 786
 787 void BrowserWindow::updateDomainSettingsIndicator(const bool status)
 788 {
 789     // Set the domain palette according to the status.
 790     if (status)
 791         urlLineEditPointer->setPalette(positiveBackgroundPalette);
 792     else
 793         urlLineEditPointer->setPalette(normalBackgroundPalette);
 794 }
 795
 796 void BrowserWindow::updateFindText(const QString &text, const bool findCaseSensitive) const
 797 {
 798     // Set the text.
 799     findTextLineEditPointer->setText(text);
 800
 801     // Set the find case sensitive action checked status.
 802     findCaseSensitiveActionPointer->setChecked(findCaseSensitive);
 803 }
 804
 805 void BrowserWindow::updateFindTextResults(const QWebEngineFindTextResult &findTextResult) const
 806 {
 807     // Update the find text label.
 808     findTextLabelPointer->setText(QStringLiteral("  %1/%2  ").arg(findTextResult.activeMatch()).arg(findTextResult.numberOfMatches()));
 809
 810     // Set the background color according to the find status.
 811     if (findTextLineEditPointer->text().isEmpty())
 812         findTextLineEditPointer->setPalette(normalBackgroundPalette);
 813     else if (findTextResult.numberOfMatches() == 0)
 814         findTextLineEditPointer->setPalette(negativeBackgroundPalette);
 815     else
 816         findTextLineEditPointer->setPalette(positiveBackgroundPalette);
 817 }
 818
 819 void BrowserWindow::updateJavaScriptAction(const bool &isEnabled)
 820 {
 821     // Update the JavaScript status.
 822     javaScriptEnabled = isEnabled;
 823
 824     // Set the icon according to the status.
 825     if (javaScriptEnabled)
 826         javaScriptActionPointer->setIcon(QIcon(QStringLiteral(":/icons/javascript-warning")));
 827     else
 828         javaScriptActionPointer->setIcon(QIcon(QStringLiteral(":/icons/privacy-mode")));
 829
 830     // Set the action checked status.
 831     javaScriptActionPointer->setChecked(javaScriptEnabled);
 832
 833     // Update the status of the DOM storage action.
 834     domStorageActionPointer->setEnabled(javaScriptEnabled & localStorageEnabled);
 835 }
 836
 837 void BrowserWindow::updateLocalStorageAction(const bool &isEnabled)
 838 {
 839     // Update the local storage status.
 840     localStorageEnabled = isEnabled;
 841
 842     // Update the icon.
 843     if (localStorageEnabled)
 844         localStorageActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("disk-quota-high")));
 845     else
 846         localStorageActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("disk-quota")));
 847
 848     // Set the action checked status.
 849     localStorageActionPointer->setChecked(localStorageEnabled);
 850
 851     // Update the status of the DOM storage action.
 852     domStorageActionPointer->setEnabled(localStorageEnabled & javaScriptEnabled);
 853 }
 854
 855 void BrowserWindow::updateSearchEngineActions(const QString &searchEngine, const bool &updateCustomSearchEngineStatus)
 856 {
 857     // Initialize the custom search engine flag.
 858     bool customSearchEngine = false;
 859
 860     if (searchEngine == "Mojeek")  // Mojeek.
 861     {
 862         // Check the Mojeek user agent action.
 863         searchEngineMojeekActionPointer->setChecked(true);
 864
 865         // Update the search engine menu action text.
 866         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Mojeek"));
 867     }
 868     else if (searchEngine == "Monocles")  // Monocles.
 869     {
 870         // Check the Monocles user agent action.
 871         searchEngineMonoclesActionPointer->setChecked(true);
 872
 873         // Update the search engine menu action text.
 874         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Monocles"));
 875     }
 876     else if (searchEngine == "MetaGer")  // MetaGer.
 877     {
 878         // Check the MetaGer user agent action.
 879         searchEngineMetagerActionPointer->setChecked(true);
 880
 881         // Update the search engine menu action text.
 882         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - MetaGer"));
 883     }
 884     else if (searchEngine == "Google")  // Google.
 885     {
 886         // Check the Google user agent action.
 887         searchEngineGoogleActionPointer->setChecked(true);
 888
 889         // Update the search engine menu action text.
 890         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Google"));
 891     }
 892     else if (searchEngine == "Bing")  // Bing.
 893     {
 894         // Check the Bing user agent action.
 895         searchEngineBingActionPointer->setChecked(true);
 896
 897         // Update the search engine menu action text.
 898         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Bing"));
 899     }
 900     else if (searchEngine == "Yahoo")  // Yahoo.
 901     {
 902         // Check the Yahoo user agent action.
 903         searchEngineYahooActionPointer->setChecked(true);
 904
 905         // Update the search engine menu action text.
 906         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Yahoo"));
 907     }
 908     else  // Custom search engine.
 909     {
 910         // Check the user agent.
 911         searchEngineCustomActionPointer->setChecked(true);
 912
 913         // Update the search engine menu action text.
 914         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Custom"));
 915
 916         // Set the custom search engine text.
 917         searchEngineCustomActionPointer->setText(searchEngine);
 918
 919         // Set the custom search engine flag.
 920         customSearchEngine = true;
 921     }
 922
 923     // Update the custom search engine enabled boolean.
 924     if (updateCustomSearchEngineStatus)
 925         customSearchEngineEnabled = customSearchEngine;
 926
 927     // Format the custom search engine.
 928     if (customSearchEngineEnabled)
 929     {
 930         // Enable the custom search engine.
 931         searchEngineCustomActionPointer->setEnabled(true);
 932     }
 933     else
 934     {
 935         // Disable the custom search engine.
 936         searchEngineCustomActionPointer->setEnabled(false);
 937
 938         // Reset the custom search engine text.
 939         searchEngineCustomActionPointer->setText(i18nc("@action", "Custom"));
 940     }
 941 }
 942
 943 void BrowserWindow::updateUserAgentActions(const QString &userAgent, const bool &updateCustomUserAgentStatus)
 944 {
 945     // Initialize the custom user agent flag.
 946     bool customUserAgent = false;
 947
 948     // Check the indicated on-the-fly user agent.
 949     if (userAgent == UserAgentHelper::PRIVACY_BROWSER_USER_AGENT)  // Privacy Browser.
 950     {
 951         // Check the Privacy Browser user agent action.
 952         userAgentPrivacyBrowserActionPointer->setChecked(true);
 953
 954         // Update the user agent menu action text.
 955         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Privacy Browser"));
 956     }
 957     else if (userAgent == TabWidget::webEngineDefaultUserAgent)  // WebEngine default.
 958     {
 959         // check the WebEngine default user agent action.
 960         userAgentWebEngineDefaultActionPointer->setChecked(true);
 961
 962         // Update the user agent menu action text.
 963         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - WebEngine default"));
 964     }
 965     else if (userAgent == UserAgentHelper::FIREFOX_LINUX_USER_AGENT)  // Firefox on Linux.
 966     {
 967         // Check the Firefox on Linux user agent action.
 968         userAgentFirefoxLinuxActionPointer->setChecked(true);
 969
 970         // Update the user agent menu action text.
 971         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Firefox on Linux"));
 972     }
 973     else if (userAgent == UserAgentHelper::CHROMIUM_LINUX_USER_AGENT)  // Chromium on Linux.
 974     {
 975         // Check the Chromium on Linux user agent action.
 976         userAgentChromiumLinuxActionPointer->setChecked(true);
 977
 978         // Update the user agent menu action text.
 979         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Chromium on Linux"));
 980     }
 981     else if (userAgent == UserAgentHelper::FIREFOX_WINDOWS_USER_AGENT)  // Firefox on Windows.
 982     {
 983         // Check the Firefox on Windows user agent action.
 984         userAgentFirefoxWindowsActionPointer->setChecked(true);
 985
 986         // Update the user agent menu action text.
 987         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Firefox on Windows"));
 988     }
 989     else if (userAgent == UserAgentHelper::CHROME_WINDOWS_USER_AGENT)  // Chrome on Windows.
 990     {
 991         // Check the Chrome on Windows user agent action.
 992         userAgentChromeWindowsActionPointer->setChecked(true);
 993
 994         // Update the user agent menu action text.
 995         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Chrome on Windows"));
 996     }
 997     else if (userAgent == UserAgentHelper::EDGE_WINDOWS_USER_AGENT)  // Edge on Windows.
 998     {
 999         // Check the Edge on Windows user agent action.
1000         userAgentEdgeWindowsActionPointer->setChecked(true);
1001
1002         // Update the user agent menu action text.
1003         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Edge on Windows"));
1004     }
1005     else if (userAgent == UserAgentHelper::SAFARI_MACOS_USER_AGENT)  // Safari on macOS.
1006     {
1007         // Check the Safari on macOS user agent action.
1008         userAgentSafariMacosActionPointer->setChecked(true);
1009
1010         // Update the user agent menu action text.
1011         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Safari on macOS"));
1012     }
1013     else  // Custom user agent.
1014     {
1015         // Check the user agent.
1016         userAgentCustomActionPointer->setChecked(true);
1017
1018         // Update the user agent menu action text.
1019         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Custom"));
1020
1021         // Set the custom user agent text.
1022         userAgentCustomActionPointer->setText(userAgent);
1023
1024         // Set the custom user agent flag.
1025         customUserAgent = true;
1026     }
1027
1028     // Update the custom user agent enabled boolean.
1029     // This is not done when the current user agent is a custom one but it is temporarially being changed via on-the-fly settings so that the user can switch back to the custom user agent.
1030     if (updateCustomUserAgentStatus)
1031         customUserAgentEnabled = customUserAgent;
1032
1033
1034     // Format the custom user agent.
1035     if (customUserAgentEnabled)
1036     {
1037         // Enable the custom user agent.
1038         userAgentCustomActionPointer->setEnabled(true);
1039     }
1040     else
1041     {
1042         // Disable the custom user agent.
1043         userAgentCustomActionPointer->setEnabled(false);
1044
1045         // Reset the custom user agent text.
1046         userAgentCustomActionPointer->setText(i18nc("@action", "Custom"));
1047     }
1048 }
1049
1050 void BrowserWindow::updateZoomFactorAction(const double &zoomFactor)
1051 {
1052     // Set the current zoom factor.
1053     currentZoomFactor = zoomFactor;
1054
1055     // Update the zoom factor action text, formatting the double with 2 decimal places.
1056     zoomFactorActionPointer->setText(ki18nc("@action", "Zoom Factor - %1").subs(zoomFactor, 0, '0', 2).toString());
1057 }
1058
1059 void BrowserWindow::updateSearchEngineLabel(const QString &searchEngineString) const
1060 {
1061     // Update the search engine label.
1062     searchEngineLabelPointer->setText(SearchEngineHelper::getSearchUrl(searchEngineString));
1063 }
1064
1065 void BrowserWindow::updateUrlLineEdit(const QUrl &newUrl)
1066 {
1067     // Update the URL line edit if it does not have focus.
1068     if (!urlLineEditPointer->hasFocus())
1069     {
1070         // Get the new URL string.
1071         QString newUrlString = newUrl.toString();
1072
1073         // Update the URL line edit.
1074         urlLineEditPointer->setText(newUrlString);
1075
1076         // Set the focus if the new URL is blank.
1077         if (newUrlString == QStringLiteral(""))
1078             urlLineEditPointer->setFocus();
1079     }
1080
1081     // Store the current URL.
1082     currentUrl = newUrl;
1083 }
1084
1085 void BrowserWindow::updateUserAgentLabel(const QString &userAgentDatabaseName) const
1086 {
1087     // Update the user agent label.
1088     userAgentLabelPointer->setText(UserAgentHelper::getUserAgentFromDatabaseName(userAgentDatabaseName));
1089 }
1090
1091 void BrowserWindow::updateWindowTitle(const QString &title)
1092 {
1093     // Update the window title.
1094     setWindowTitle(title);
1095 }