src/windows/BrowserWindow.cpp

   1 /*
   2  * Copyright 2022-2023 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_SettingsGeneral.h"
  24 #include "ui_SettingsPrivacy.h"
  25 #include "ui_SettingsSpellCheck.h"
  26 #include "dialogs/CookiesDialog.h"
  27 #include "dialogs/DomainSettingsDialog.h"
  28 #include "helpers/SearchEngineHelper.h"
  29 #include "helpers/UserAgentHelper.h"
  30
  31 // KDE Frameworks headers.
  32 #include <KActionCollection>
  33 #include <KColorScheme>
  34 #include <KToolBar>
  35
  36 // Qt toolkit headers.
  37 #include <QFileDialog>
  38 #include <QInputDialog>
  39 #include <QNetworkCookie>
  40 #include <QMenuBar>
  41 #include <QShortcut>
  42 #include <QStatusBar>
  43 #include <QWebEngineFindTextResult>
  44
  45 // Construct the class.
  46 BrowserWindow::BrowserWindow(bool firstWindow) : KXmlGuiWindow()
  47 {
  48     // Initialize the variables.
  49     javaScriptEnabled = false;
  50     localStorageEnabled = false;
  51
  52     // Instantiate the privacy tab widget pointer.
  53     tabWidgetPointer = new TabWidget(this);
  54
  55     // Set the privacy tab widget as the central widget.
  56     setCentralWidget(tabWidgetPointer);
  57
  58     // Get a handle for the action collection.
  59     KActionCollection *actionCollectionPointer = this->actionCollection();
  60
  61     // Add the standard actions.
  62     KStandardAction::openNew(this, SLOT(fileNew()), actionCollectionPointer);
  63     KStandardAction::print(tabWidgetPointer, SLOT(print()), actionCollectionPointer);
  64     KStandardAction::printPreview(tabWidgetPointer, SLOT(printPreview()), actionCollectionPointer);
  65     KStandardAction::quit(qApp, SLOT(closeAllWindows()), actionCollectionPointer);
  66     KStandardAction::redisplay(this, SLOT(refresh()), actionCollectionPointer);
  67     fullScreenActionPointer = KStandardAction::fullScreen(this, SLOT(toggleFullScreen()), this, actionCollectionPointer);
  68     QAction *backActionPointer = KStandardAction::back(this, SLOT(back()), actionCollectionPointer);
  69     QAction *forwardActionPointer = KStandardAction::forward(this, SLOT(forward()), actionCollectionPointer);
  70     KStandardAction::home(this, SLOT(home()), actionCollectionPointer);
  71     KStandardAction::preferences(this, SLOT(showSettingsDialog()), actionCollectionPointer);
  72     KStandardAction::find(this, SLOT(showFindTextActions()), actionCollectionPointer);
  73     findNextActionPointer = KStandardAction::findNext(this, SLOT(findNext()), actionCollectionPointer);
  74     findPreviousActionPointer = KStandardAction::findPrev(this, SLOT(findPrevious()), actionCollectionPointer);
  75
  76     // Add the custom actions.
  77     userAgentPrivacyBrowserActionPointer = actionCollectionPointer->addAction(QLatin1String("user_agent_privacy_browser"));
  78     userAgentWebEngineDefaultActionPointer = actionCollectionPointer->addAction(QLatin1String("user_agent_webengine_default"));
  79     userAgentFirefoxLinuxActionPointer = actionCollectionPointer->addAction(QLatin1String("user_agent_firefox_linux"));
  80     userAgentChromiumLinuxActionPointer = actionCollectionPointer->addAction(QLatin1String("user_agent_chromium_linux"));
  81     userAgentFirefoxWindowsActionPointer = actionCollectionPointer->addAction(QLatin1String("user_agent_firefox_windows"));
  82     userAgentChromeWindowsActionPointer = actionCollectionPointer->addAction(QLatin1String("user_agent_chrome_windows"));
  83     userAgentEdgeWindowsActionPointer = actionCollectionPointer->addAction(QLatin1String("user_agent_edge_windows"));
  84     userAgentSafariMacosActionPointer = actionCollectionPointer->addAction(QLatin1String("user_agent_safari_macos"));
  85     userAgentCustomActionPointer = actionCollectionPointer->addAction(QLatin1String("user_agent_custom"));
  86     zoomFactorActionPointer = actionCollectionPointer->addAction(QLatin1String("zoom_factor"));
  87     searchEngineMojeekActionPointer = actionCollectionPointer->addAction(QLatin1String("search_engine_mojeek"));
  88     searchEngineMonoclesActionPointer = actionCollectionPointer->addAction(QLatin1String("search_engine_monocles"));
  89     searchEngineMetagerActionPointer = actionCollectionPointer->addAction(QLatin1String("search_engine_metager"));
  90     searchEngineGoogleActionPointer = actionCollectionPointer->addAction(QLatin1String("search_engine_google"));
  91     searchEngineBingActionPointer = actionCollectionPointer->addAction(QLatin1String("search_engine_bing"));
  92     searchEngineYahooActionPointer = actionCollectionPointer->addAction(QLatin1String("search_engine_yahoo"));
  93     searchEngineCustomActionPointer = actionCollectionPointer->addAction(QLatin1String("search_engine_custom"));
  94     QAction *domainSettingsActionPointer = actionCollectionPointer->addAction(QLatin1String("domain_settings"));
  95     cookiesActionPointer = actionCollectionPointer->addAction(QLatin1String("cookies"));
  96     javaScriptActionPointer = actionCollectionPointer->addAction(QLatin1String("javascript"));
  97     localStorageActionPointer = actionCollectionPointer->addAction(QLatin1String("local_storage"));
  98     domStorageActionPointer = actionCollectionPointer->addAction(QLatin1String("dom_storage"));
  99     findCaseSensitiveActionPointer = actionCollectionPointer->addAction(QLatin1String("find_case_sensitive"));
 100     hideFindTextActionPointer = actionCollectionPointer->addAction(QLatin1String("hide_find_actions"));
 101
 102     // Create the action groups
 103     QActionGroup *userAgentActionGroupPointer = new QActionGroup(this);
 104     QActionGroup *searchEngineActionGroupPointer = new QActionGroup(this);
 105
 106     // Add the actions to the groups.
 107     userAgentActionGroupPointer->addAction(userAgentPrivacyBrowserActionPointer);
 108     userAgentActionGroupPointer->addAction(userAgentWebEngineDefaultActionPointer);
 109     userAgentActionGroupPointer->addAction(userAgentFirefoxLinuxActionPointer);
 110     userAgentActionGroupPointer->addAction(userAgentChromiumLinuxActionPointer);
 111     userAgentActionGroupPointer->addAction(userAgentFirefoxWindowsActionPointer);
 112     userAgentActionGroupPointer->addAction(userAgentChromeWindowsActionPointer);
 113     userAgentActionGroupPointer->addAction(userAgentEdgeWindowsActionPointer);
 114     userAgentActionGroupPointer->addAction(userAgentSafariMacosActionPointer);
 115     userAgentActionGroupPointer->addAction(userAgentCustomActionPointer);
 116     searchEngineActionGroupPointer->addAction(searchEngineMojeekActionPointer);
 117     searchEngineActionGroupPointer->addAction(searchEngineMonoclesActionPointer);
 118     searchEngineActionGroupPointer->addAction(searchEngineMetagerActionPointer);
 119     searchEngineActionGroupPointer->addAction(searchEngineGoogleActionPointer);
 120     searchEngineActionGroupPointer->addAction(searchEngineBingActionPointer);
 121     searchEngineActionGroupPointer->addAction(searchEngineYahooActionPointer);
 122     searchEngineActionGroupPointer->addAction(searchEngineCustomActionPointer);
 123
 124     // Set some actions to be checkable.
 125     javaScriptActionPointer->setCheckable(true);
 126     localStorageActionPointer->setCheckable(true);
 127     domStorageActionPointer->setCheckable(true);
 128     findCaseSensitiveActionPointer->setCheckable(true);
 129     userAgentPrivacyBrowserActionPointer->setCheckable(true);
 130     userAgentWebEngineDefaultActionPointer->setCheckable(true);
 131     userAgentFirefoxLinuxActionPointer->setCheckable(true);
 132     userAgentChromiumLinuxActionPointer->setCheckable(true);
 133     userAgentFirefoxWindowsActionPointer->setCheckable(true);
 134     userAgentChromeWindowsActionPointer->setCheckable(true);
 135     userAgentEdgeWindowsActionPointer->setCheckable(true);
 136     userAgentSafariMacosActionPointer->setCheckable(true);
 137     userAgentCustomActionPointer->setCheckable(true);
 138     searchEngineMojeekActionPointer->setCheckable(true);
 139     searchEngineMonoclesActionPointer->setCheckable(true);
 140     searchEngineMetagerActionPointer->setCheckable(true);
 141     searchEngineGoogleActionPointer->setCheckable(true);
 142     searchEngineBingActionPointer->setCheckable(true);
 143     searchEngineYahooActionPointer->setCheckable(true);
 144     searchEngineCustomActionPointer->setCheckable(true);
 145
 146     // Instantiate the user agent helper.
 147     UserAgentHelper *userAgentHelperPointer = new UserAgentHelper();
 148
 149     // Set the action text.
 150     userAgentPrivacyBrowserActionPointer->setText(userAgentHelperPointer->PRIVACY_BROWSER_TRANSLATED);
 151     userAgentWebEngineDefaultActionPointer->setText(userAgentHelperPointer->WEB_ENGINE_DEFAULT_TRANSLATED);
 152     userAgentFirefoxLinuxActionPointer->setText(userAgentHelperPointer->FIREFOX_LINUX_TRANSLATED);
 153     userAgentChromiumLinuxActionPointer->setText(userAgentHelperPointer->CHROMIUM_LINUX_TRANSLATED);
 154     userAgentFirefoxWindowsActionPointer->setText(userAgentHelperPointer->FIREFOX_WINDOWS_TRANSLATED);
 155     userAgentChromeWindowsActionPointer->setText(userAgentHelperPointer->CHROME_WINDOWS_TRANSLATED);
 156     userAgentEdgeWindowsActionPointer->setText(userAgentHelperPointer->EDGE_WINDOWS_TRANSLATED);
 157     userAgentSafariMacosActionPointer->setText(userAgentHelperPointer->SAFARI_MACOS_TRANSLATED);
 158     searchEngineMojeekActionPointer->setText(i18nc("Search engine", "Mojeek"));
 159     searchEngineMonoclesActionPointer->setText(i18nc("Search engine", "Monocles"));
 160     searchEngineMetagerActionPointer->setText(i18nc("Search engine", "MetaGer"));
 161     searchEngineGoogleActionPointer->setText(i18nc("Search engine", "Google"));
 162     searchEngineBingActionPointer->setText(i18nc("Search engine", "Bing"));
 163     searchEngineYahooActionPointer->setText(i18nc("Search engine", "Yahoo"));
 164     domainSettingsActionPointer->setText(i18nc("Domain Settings action", "Domain Settings"));
 165     cookiesActionPointer->setText(i18nc("The Cookies action, which also displays the number of cookies", "Cookies - %1", 0));
 166     javaScriptActionPointer->setText(i18nc("JavaScript action", "JavaScript"));
 167     localStorageActionPointer->setText(i18nc("The Local Storage action", "Local Storage"));
 168     domStorageActionPointer->setText(i18nc("DOM Storage action", "DOM Storage"));
 169     findCaseSensitiveActionPointer->setText(i18nc("Find Case Sensitive action", "Find Case Sensitive"));
 170     hideFindTextActionPointer->setText(i18nc("Hide Find Text action", "Hide Find Text"));
 171
 172     // Set the action icons.
 173     userAgentPrivacyBrowserActionPointer->setIcon(QIcon(":/icons/privacy-mode"));
 174     userAgentWebEngineDefaultActionPointer->setIcon(QIcon::fromTheme(QLatin1String("user-group-properties")));
 175     userAgentFirefoxLinuxActionPointer->setIcon(QIcon::fromTheme(QLatin1String("firefox-esr")));
 176     userAgentChromiumLinuxActionPointer->setIcon(QIcon::fromTheme(QLatin1String("chromium")));
 177     userAgentFirefoxWindowsActionPointer->setIcon(QIcon::fromTheme(QLatin1String("firefox-esr")));
 178     userAgentChromeWindowsActionPointer->setIcon(QIcon::fromTheme(QLatin1String("chromium")));
 179     userAgentEdgeWindowsActionPointer->setIcon(QIcon::fromTheme(QLatin1String("user-group-properties")));
 180     userAgentSafariMacosActionPointer->setIcon(QIcon::fromTheme(QLatin1String("user-group-properties")));
 181     userAgentCustomActionPointer->setIcon(QIcon::fromTheme(QLatin1String("user-group-properties")));
 182     searchEngineMojeekActionPointer->setIcon(QIcon::fromTheme(QLatin1String("search")));
 183     searchEngineMonoclesActionPointer->setIcon(QIcon::fromTheme(QLatin1String("search")));
 184     searchEngineMetagerActionPointer->setIcon(QIcon::fromTheme(QLatin1String("search")));
 185     searchEngineGoogleActionPointer->setIcon(QIcon::fromTheme(QLatin1String("im-google")));
 186     searchEngineBingActionPointer->setIcon(QIcon::fromTheme(QLatin1String("search")));
 187     searchEngineYahooActionPointer->setIcon(QIcon::fromTheme(QLatin1String("im-yahoo")));
 188     searchEngineCustomActionPointer->setIcon(QIcon::fromTheme(QLatin1String("search")));
 189     zoomFactorActionPointer->setIcon(QIcon::fromTheme(QLatin1String("zoom")));
 190     domainSettingsActionPointer->setIcon(QIcon::fromTheme(QLatin1String("settings-configure")));
 191     cookiesActionPointer->setIcon(QIcon::fromTheme(QLatin1String("preferences-web-browser-cookies")));
 192     domStorageActionPointer->setIcon(QIcon::fromTheme(QLatin1String("code-class")));
 193     findCaseSensitiveActionPointer->setIcon(QIcon::fromTheme(QLatin1String("format-text-lowercase")));
 194     hideFindTextActionPointer->setIcon(QIcon::fromTheme(QLatin1String("window-close-symbolic")));
 195
 196     // Update the on-the-fly menus.
 197     connect(tabWidgetPointer, SIGNAL(updateUserAgentActions(QString, bool)), this, SLOT(updateUserAgentActions(QString, bool)));
 198     connect(tabWidgetPointer, SIGNAL(updateZoomFactorAction(double)), this, SLOT(updateZoomFactorAction(double)));
 199     connect(tabWidgetPointer, SIGNAL(updateSearchEngineActions(QString, bool)), this, SLOT(updateSearchEngineActions(QString, bool)));
 200
 201     // Apply the on-the-fly settings when selected.
 202     connect(userAgentActionGroupPointer, SIGNAL(triggered(QAction*)), tabWidgetPointer, SLOT(applyOnTheFlyUserAgent(QAction*)));
 203     connect(searchEngineActionGroupPointer, SIGNAL(triggered(QAction*)), tabWidgetPointer, SLOT(applyOnTheFlySearchEngine(QAction*)));
 204
 205     // Process cookie changes.
 206     connect(tabWidgetPointer, SIGNAL(updateCookiesAction(int)), this, SLOT(updateCookiesAction(int)));
 207
 208     // Display dialogs.
 209     connect(zoomFactorActionPointer, SIGNAL(triggered()), this, SLOT(getZoomFactorFromUser()));
 210     connect(cookiesActionPointer, SIGNAL(triggered()), this, SLOT(showCookiesDialog()));
 211     connect(domainSettingsActionPointer, SIGNAL(triggered()), this, SLOT(showDomainSettingsDialog()));
 212
 213     // Connect the URL toolbar actions.
 214     connect(javaScriptActionPointer, SIGNAL(triggered()), this, SLOT(toggleJavaScript()));
 215     connect(localStorageActionPointer, SIGNAL(triggered()), this, SLOT(toggleLocalStorage()));
 216     connect(domStorageActionPointer, SIGNAL(triggered()), this, SLOT(toggleDomStorage()));
 217
 218     // Update the URL toolbar actions.
 219     connect(tabWidgetPointer, SIGNAL(updateBackAction(bool)), backActionPointer, SLOT(setEnabled(bool)));
 220     connect(tabWidgetPointer, SIGNAL(updateForwardAction(bool)), forwardActionPointer, SLOT(setEnabled(bool)));
 221     connect(tabWidgetPointer, SIGNAL(updateJavaScriptAction(bool)), this, SLOT(updateJavaScriptAction(bool)));
 222     connect(tabWidgetPointer, SIGNAL(updateLocalStorageAction(bool)), this, SLOT(updateLocalStorageAction(bool)));
 223     connect(tabWidgetPointer, SIGNAL(updateDomStorageAction(bool)), this, SLOT(updateDomStorageAction(bool)));
 224
 225     // Connect the find text actions.
 226     connect(findCaseSensitiveActionPointer, SIGNAL(triggered()), this, SLOT(toggleFindCaseSensitive()));
 227     connect(hideFindTextActionPointer, SIGNAL(triggered()), this, SLOT(hideFindTextActions()));
 228
 229     // Setup the GUI based on the browserwindowui.rc file.
 230     setupGUI(StandardWindowOption::Default, ("browserwindowui.rc"));
 231
 232     // Get lists of the actions' associated widgets.
 233     QList<QWidget*> userAgentAssociatedWidgetsPointerList = userAgentPrivacyBrowserActionPointer->associatedWidgets();
 234     QList<QWidget*> searchEngineAssociatedWidgetsPointerList = searchEngineMojeekActionPointer->associatedWidgets();
 235
 236     // Get the menu widget pointers.  It is the second entry, after the main window.
 237     QWidget *userAgentMenuWidgetPointer = userAgentAssociatedWidgetsPointerList[1];
 238     QWidget *searchEngineMenuWidgetPointer = searchEngineAssociatedWidgetsPointerList[1];
 239
 240     // Get the menu pointers.
 241     QMenu *userAgentMenuPointer = qobject_cast<QMenu*>(userAgentMenuWidgetPointer);
 242     QMenu *searchEngineMenuPointer = qobject_cast<QMenu*>(searchEngineMenuWidgetPointer);
 243
 244     // Get the menu actions.
 245     userAgentMenuActionPointer = userAgentMenuPointer->menuAction();
 246     searchEngineMenuActionPointer = searchEngineMenuPointer->menuAction();
 247
 248     // Get handles for the toolbars.
 249     navigationToolBarPointer = toolBar(QLatin1String("navigation_toolbar"));
 250     urlToolBarPointer = toolBar(QLatin1String("url_toolbar"));
 251
 252     // Create the line edits.
 253     urlLineEditPointer = new KLineEdit();
 254     findTextLineEditPointer = new KLineEdit();
 255
 256     // Get the line edit size policies.
 257     QSizePolicy urlLineEditSizePolicy = urlLineEditPointer->sizePolicy();
 258     QSizePolicy findTextLineEditSizePolicy = findTextLineEditPointer->sizePolicy();
 259
 260     // Set the URL line edit horizontal stretch to be five times the find text line edit stretch.
 261     urlLineEditSizePolicy.setHorizontalStretch(5);
 262     findTextLineEditSizePolicy.setHorizontalStretch(1);
 263
 264     // Set the policies.
 265     urlLineEditPointer->setSizePolicy(urlLineEditSizePolicy);
 266     findTextLineEditPointer->setSizePolicy(findTextLineEditSizePolicy);
 267
 268     // Set the widths.
 269     urlLineEditPointer->setMinimumWidth(350);
 270     findTextLineEditPointer->setMinimumWidth(200);
 271     findTextLineEditPointer->setMaximumWidth(350);
 272
 273     // Set the place holder text.
 274     urlLineEditPointer->setPlaceholderText(i18nc("The URL line edit placeholder text", "URL or Search Terms"));
 275     findTextLineEditPointer->setPlaceholderText(i18nc("The find line edit placeholder text", "Find Text"));
 276
 277     // Show the clear button on the find line edit.
 278     findTextLineEditPointer->setClearButtonEnabled(true);
 279
 280     // Add an edit or add domain settings action to the URL line edit.
 281     QAction *addOrEditDomainSettingsActionPointer = urlLineEditPointer->addAction(QIcon::fromTheme("settings-configure"), QLineEdit::TrailingPosition);
 282
 283     // Add or edit the current domain settings.
 284     connect(addOrEditDomainSettingsActionPointer, SIGNAL(triggered()), this, SLOT(addOrEditDomainSettings()));
 285
 286     // Create a find text label pointer.
 287     findTextLabelPointer = new QLabel();
 288
 289     // Set the default label text.
 290     findTextLabelPointer->setText(QLatin1String("  ") + i18nc("Default find results.", "0/0") + QLatin1String("  "));
 291
 292     // Insert the widgets into the toolbars.
 293     urlToolBarPointer->insertWidget(javaScriptActionPointer, urlLineEditPointer);
 294     findTextLineEditActionPointer = urlToolBarPointer->insertWidget(findNextActionPointer, findTextLineEditPointer);
 295     findTextLabelActionPointer = urlToolBarPointer->insertWidget(findNextActionPointer, findTextLabelPointer);
 296
 297     // Initially hide the find text actions.
 298     hideFindTextActions();
 299
 300     // Load a new URL from the URL line edit.
 301     connect(urlLineEditPointer, SIGNAL(returnKeyPressed(const QString)), this, SLOT(loadUrlFromLineEdit(const QString)));
 302
 303     // Find text as it is typed.
 304     connect(findTextLineEditPointer, SIGNAL(textEdited(const QString &)), tabWidgetPointer, SLOT(findText(const QString &)));
 305
 306     // Find next if the enter key is pressed.
 307     connect(findTextLineEditPointer, SIGNAL(returnKeyPressed(const QString &)), tabWidgetPointer, SLOT(findText(const QString &)));
 308
 309     // Update find text when switching tabs.
 310     connect(tabWidgetPointer, SIGNAL(updateFindText(const QString &, const bool)), this, SLOT(updateFindText(const QString &, const bool)));
 311
 312     // Update the find text results.
 313     connect(tabWidgetPointer, SIGNAL(updateFindTextResults(const QWebEngineFindTextResult &)), this, SLOT(updateFindTextResults(const QWebEngineFindTextResult &)));
 314
 315     // Update the URL line edit on page loads.
 316     connect(tabWidgetPointer, SIGNAL(updateUrlLineEdit(QUrl)), this, SLOT(updateUrlLineEdit(QUrl)));
 317
 318     // Update the window title.
 319     connect(tabWidgetPointer, SIGNAL(updateWindowTitle(const QString)), this, SLOT(updateWindowTitle(const QString)));
 320
 321     // Get a handle for the status bar.
 322     QStatusBar *statusBarPointer = statusBar();
 323
 324     // Create a progress bar.
 325     progressBarPointer = new QProgressBar();
 326
 327     // Add the progress bar to to the status bar.
 328     statusBarPointer->addPermanentWidget(progressBarPointer);
 329
 330     // Update the status bar with the URL when a link is hovered.
 331     connect(tabWidgetPointer, SIGNAL(linkHovered(QString)), statusBarPointer, SLOT(showMessage(QString)));
 332
 333     // Update the progress bar.
 334     connect(tabWidgetPointer, SIGNAL(showProgressBar(const int)), this, SLOT(showProgressBar(const int)));
 335     connect(tabWidgetPointer, SIGNAL(hideProgressBar()), progressBarPointer, SLOT(hide()));
 336
 337     // Update the URL line edit focus.
 338     connect(tabWidgetPointer, SIGNAL(clearUrlLineEditFocus()), this, SLOT(clearUrlLineEditFocus()));
 339
 340     // Get the URL line edit palettes.
 341     normalBackgroundPalette = urlLineEditPointer->palette();
 342     negativeBackgroundPalette = normalBackgroundPalette;
 343     positiveBackgroundPalette = normalBackgroundPalette;
 344
 345     // Modify the palettes.
 346     KColorScheme::adjustBackground(negativeBackgroundPalette, KColorScheme::NegativeBackground);
 347     KColorScheme::adjustBackground(positiveBackgroundPalette, KColorScheme::PositiveBackground);
 348
 349     // Update the applied palette.
 350     connect(tabWidgetPointer, SIGNAL(updateDomainSettingsIndicator(const bool)), this, SLOT(updateDomainSettingsIndicator(const bool)));
 351
 352     // Process full screen requests.
 353     connect(tabWidgetPointer, SIGNAL(fullScreenRequested(bool)), this, SLOT(fullScreenRequested(bool)));
 354
 355     // Create keyboard shortcuts.
 356     QShortcut *ctrlTShortcutPointer = new QShortcut(QKeySequence(i18nc("The open new tab shortcut.", "Ctrl+t")), this);
 357     QShortcut *f11ShortcutPointer = new QShortcut(QKeySequence(i18nc("The toggle full screen shortcut.", "F11")), this);
 358     QShortcut *escapeShortcutPointer = new QShortcut(QKeySequence::Cancel, this);
 359
 360     // Connect the keyboard shortcuts to the actions.
 361     connect(ctrlTShortcutPointer, SIGNAL(activated()), tabWidgetPointer, SLOT(addTab()));
 362     connect(f11ShortcutPointer, SIGNAL(activated()), fullScreenActionPointer, SLOT(trigger()));
 363     connect(escapeShortcutPointer, SIGNAL(activated()), this, SLOT(escape()));
 364
 365     // Populate the UI.
 366     // 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.
 367     updateJavaScriptAction(Settings::javaScriptEnabled());
 368     updateLocalStorageAction(Settings::localStorageEnabled());
 369     updateDomStorageAction(Settings::domStorageEnabled());
 370     updateUserAgentActions(UserAgentHelper::getUserAgentFromDatabaseName(Settings::userAgent()), true);
 371     updateZoomFactorAction(Settings::zoomFactor());
 372
 373     // Load the initial website if this is the first window.
 374     if (firstWindow)
 375         tabWidgetPointer->loadInitialWebsite();
 376 }
 377
 378 void BrowserWindow::addOrEditDomainSettings() const
 379 {
 380     // Remove the focus from the URL line edit.
 381     urlLineEditPointer->clearFocus();
 382
 383     // Create the domain settings dialog pointer.
 384     DomainSettingsDialog *domainSettingsDialogPointer;
 385
 386     // Get the current domain settings name.
 387     QString &currentDomainSettingsName = tabWidgetPointer->getDomainSettingsName();
 388
 389     // Run the commands according to the current domain settings status.
 390     if (currentDomainSettingsName == QStringLiteral(""))  // Domain settings are not currently applied.
 391     {
 392         // Instruct the domain settings dialog to add a new domain.
 393         domainSettingsDialogPointer = new DomainSettingsDialog(DomainSettingsDialog::ADD_DOMAIN, currentUrl.host());
 394     }
 395     else  // Domain settings are currently applied.
 396     {
 397         // Instruct the domain settings dialog to edit the current domain.
 398         domainSettingsDialogPointer = new DomainSettingsDialog(DomainSettingsDialog::EDIT_DOMAIN, currentDomainSettingsName);
 399     }
 400
 401     // Set the dialog window title.
 402     domainSettingsDialogPointer->setWindowTitle(i18nc("The domain settings dialog title", "Domain Settings"));
 403
 404     // Set the modality.
 405     domainSettingsDialogPointer->setWindowModality(Qt::WindowModality::WindowModal);;
 406
 407     // Show the dialog.
 408     domainSettingsDialogPointer->show();
 409
 410     // Reload the tabs when domain settings are updated.
 411     connect(domainSettingsDialogPointer, SIGNAL(domainSettingsUpdated()), tabWidgetPointer, SLOT(applyDomainSettingsAndReload()));
 412 }
 413
 414 void BrowserWindow::back() const
 415 {
 416     // Remove the focus from the URL line edit.
 417     urlLineEditPointer->clearFocus();
 418
 419     // Go back.
 420     tabWidgetPointer->back();
 421 }
 422
 423 void BrowserWindow::clearUrlLineEditFocus() const
 424 {
 425     // Remove the focus from the URL line edit.
 426     urlLineEditPointer->clearFocus();
 427 }
 428
 429 void BrowserWindow::escape() const
 430 {
 431     // Process the escape according to the status of the browser.
 432     if (fullScreenActionPointer->isChecked())  // Full screen browsing is enabled.
 433     {
 434         // Exit full screen browsing.
 435         fullScreenActionPointer->trigger();
 436     }
 437     else if (!findTextLineEditPointer->text().isEmpty())  // Find text is activated.
 438     {
 439         // Clear the text in the line edit.
 440         findTextLineEditPointer->clear();
 441
 442         // Clear the search in the WebEngine.
 443         tabWidgetPointer->findText(QStringLiteral(""));
 444     }
 445 }
 446
 447 void BrowserWindow::fileNew() const
 448 {
 449     // Display a new instance of Privacy Browser.
 450     (new BrowserWindow)->show();
 451 }
 452
 453 void BrowserWindow::findNext() const
 454 {
 455     // Get the find string.
 456     const QString findString = findTextLineEditPointer->text();
 457
 458     // Search for the text if it is not empty.
 459     if (!findString.isEmpty())
 460         tabWidgetPointer->findText(findString);
 461 }
 462
 463 void BrowserWindow::findPrevious() const
 464 {
 465     // Get the find string.
 466     const QString findString = findTextLineEditPointer->text();
 467
 468     // Search for the text if it is not empty.
 469     if (!findString.isEmpty())
 470         tabWidgetPointer->findPrevious(findString);
 471 }
 472
 473 void BrowserWindow::forward() const
 474 {
 475     // Remove the focus from the URL line edit.
 476     urlLineEditPointer->clearFocus();
 477
 478     // Go forward.
 479     tabWidgetPointer->forward();
 480 }
 481
 482 void BrowserWindow::fullScreenRequested(const bool toggleOn)
 483 {
 484     // Toggle full screen mode.
 485     if (toggleOn)  // Turn full screen mode on.
 486     {
 487         // Set the window to be full screen.
 488         fullScreenActionPointer->setFullScreen(window(), true);
 489
 490         // Hide all the bars.
 491         menuBar()->setVisible(false);
 492         navigationToolBarPointer->setVisible(false);
 493         urlToolBarPointer->setVisible(false);
 494         tabWidgetPointer->setTabBarVisible(false);
 495         statusBar()->setVisible(false);
 496     }
 497     else  // Turn full screen mode off.
 498     {
 499         // Set the window to not be full screen.
 500         fullScreenActionPointer->setFullScreen(window(), false);
 501
 502         // Show all the bars.
 503         menuBar()->setVisible(true);
 504         navigationToolBarPointer->setVisible(true);
 505         urlToolBarPointer->setVisible(true);
 506         tabWidgetPointer->setTabBarVisible(true);
 507         statusBar()->setVisible(true);
 508     }
 509 }
 510
 511 void BrowserWindow::getZoomFactorFromUser()
 512 {
 513     // Create an OK flag.
 514     bool okClicked;
 515
 516     // 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.
 517     double newZoomFactor = QInputDialog::getDouble(this, i18nc("The on-the-fly zoom factor dialog title", "On-The-Fly Zoom Factor"),
 518                                                    i18nc("The instruction text of the on-the-fly zoom factor dialog", "Enter a zoom factor between 0.25 and 5.00"),
 519                                                    currentZoomFactor, .025, 5.00, 2, &okClicked, Qt::WindowFlags(), 0.25);
 520
 521     // Update the zoom factor if the user clicked OK.
 522     if (okClicked)
 523     {
 524         // Update the current zoom factor.
 525         currentZoomFactor = newZoomFactor;
 526
 527         // Set the new zoom factor.
 528         tabWidgetPointer->applyOnTheFlyZoomFactor(newZoomFactor);
 529
 530         // Update the on-the-fly action text.
 531         updateZoomFactorAction(newZoomFactor);
 532     }
 533 }
 534
 535 void BrowserWindow::hideFindTextActions() const
 536 {
 537     // Hide the find text actions.
 538     findTextLineEditActionPointer->setVisible(false);
 539     findTextLabelActionPointer->setVisible(false);
 540     findNextActionPointer->setVisible(false);
 541     findPreviousActionPointer->setVisible(false);
 542     findCaseSensitiveActionPointer->setVisible(false);
 543     hideFindTextActionPointer->setVisible(false);
 544 }
 545
 546 void BrowserWindow::home() const
 547 {
 548     // Remove the focus from the URL line edit.
 549     urlLineEditPointer->clearFocus();
 550
 551     // Go home.
 552     tabWidgetPointer->home();
 553 }
 554
 555 void BrowserWindow::loadUrlFromLineEdit(const QString &url) const
 556 {
 557     // Remove the focus from the URL line edit.
 558     urlLineEditPointer->clearFocus();
 559
 560     // Load the URL.
 561     tabWidgetPointer->loadUrlFromLineEdit(url);
 562 }
 563
 564 void BrowserWindow::refresh() const
 565 {
 566     // Remove the focus from the URL line edit.
 567     urlLineEditPointer->clearFocus();
 568
 569     // Refresh the web page.
 570     tabWidgetPointer->refresh();
 571 }
 572
 573 void BrowserWindow::showCookiesDialog()
 574 {
 575     // Remove the focus from the URL line edit.
 576     urlLineEditPointer->clearFocus();
 577
 578     // Instantiate the cookie settings dialog.
 579     CookiesDialog *cookiesDialogPointer = new CookiesDialog(tabWidgetPointer->getCookieList());
 580
 581     // Show the dialog.
 582     cookiesDialogPointer->show();
 583
 584     // Connect the dialog signals.
 585     connect(cookiesDialogPointer, SIGNAL(addCookie(QNetworkCookie)), tabWidgetPointer, SLOT(addCookieToStore(QNetworkCookie)));
 586     connect(cookiesDialogPointer, SIGNAL(deleteAllCookies()), tabWidgetPointer, SLOT(deleteAllCookies()));
 587     connect(cookiesDialogPointer, SIGNAL(deleteCookie(QNetworkCookie)), tabWidgetPointer, SLOT(deleteCookieFromStore(QNetworkCookie)));
 588 }
 589
 590 void BrowserWindow::showDownloadLocationBrowseDialog() const
 591 {
 592     // Get the current download location.
 593     QString currentDownloadLocation = downloadLocationComboBoxPointer->currentText();
 594
 595     // Resolve the system download directory if specified.
 596     if (currentDownloadLocation == QStringLiteral("System Download Directory"))
 597         currentDownloadLocation = QStandardPaths::writableLocation(QStandardPaths::DownloadLocation);
 598
 599     // Get the new download location.
 600     QString newDownloadLocation = QFileDialog::getExistingDirectory(configDialogPointer, i18nc("Select download location dialog caption", "Select Download Location"), currentDownloadLocation);
 601
 602     // Populate the download location combo box according to the new download location.
 603     if (newDownloadLocation == QStandardPaths::writableLocation(QStandardPaths::DownloadLocation))  // The default download location was selected.
 604     {
 605         // Populate the download location with the default text.
 606         downloadLocationComboBoxPointer->setCurrentText("System Download Directory");
 607     }
 608     else if (newDownloadLocation != QStringLiteral(""))  // A different directory was selected.
 609     {
 610         // Populate the download location.
 611         downloadLocationComboBoxPointer->setCurrentText(newDownloadLocation);
 612     }
 613 }
 614
 615 void BrowserWindow::showDomainSettingsDialog() const
 616 {
 617     // Remove the focus from the URL line edit.
 618     urlLineEditPointer->clearFocus();
 619
 620     // Instantiate the domain settings dialog.
 621     DomainSettingsDialog *domainSettingsDialogPointer = new DomainSettingsDialog();
 622
 623     // Show the dialog.
 624     domainSettingsDialogPointer->show();
 625
 626     // Reload the tabs when domain settings are updated.
 627     connect(domainSettingsDialogPointer, SIGNAL(domainSettingsUpdated()), tabWidgetPointer, SLOT(applyDomainSettingsAndReload()));
 628 }
 629
 630 void BrowserWindow::showFindTextActions() const
 631 {
 632     // Show the find text actions.
 633     findTextLineEditActionPointer->setVisible(true);
 634     findTextLabelActionPointer->setVisible(true);
 635     findNextActionPointer->setVisible(true);
 636     findPreviousActionPointer->setVisible(true);
 637     findCaseSensitiveActionPointer->setVisible(true);
 638     hideFindTextActionPointer->setVisible(true);
 639
 640     // Set the focus on the find line edit.
 641     findTextLineEditPointer->setFocus();
 642
 643     // Select all the text in the find line edit.
 644     findTextLineEditPointer->selectAll();
 645 }
 646
 647 void BrowserWindow::showProgressBar(const int &progress) const
 648 {
 649     // Set the progress bar value.
 650     progressBarPointer->setValue(progress);
 651
 652     // Show the progress bar.
 653     progressBarPointer->show();
 654 }
 655
 656 void BrowserWindow::showSettingsDialog()
 657 {
 658     // Create the settings widgets.
 659     QWidget *privacySettingsWidgetPointer = new QWidget;
 660     QWidget *generalSettingsWidgetPointer = new QWidget;
 661     QWidget *spellCheckSettingsWidgetPointer = new QWidget;
 662
 663     // Instantiate the settings UI.
 664     Ui::PrivacySettings privacySettingsUi;
 665     Ui::GeneralSettings generalSettingsUi;
 666     Ui::SpellCheckSettings spellCheckSettingsUi;
 667
 668     // Setup the UI to display the settings widgets.
 669     privacySettingsUi.setupUi(privacySettingsWidgetPointer);
 670     generalSettingsUi.setupUi(generalSettingsWidgetPointer);
 671     spellCheckSettingsUi.setupUi(spellCheckSettingsWidgetPointer);
 672
 673     // Get handles for the widgets.
 674     QComboBox *userAgentComboBoxPointer = privacySettingsUi.kcfg_userAgent;
 675     userAgentLabelPointer = privacySettingsUi.userAgentLabel;
 676     QComboBox *searchEngineComboBoxPointer = generalSettingsUi.kcfg_searchEngine;
 677     searchEngineLabelPointer = generalSettingsUi.searchEngineLabel;
 678     downloadLocationComboBoxPointer = generalSettingsUi.kcfg_downloadLocation;
 679     QPushButton *browseButtonPointer = generalSettingsUi.browseButton;
 680     QListWidget *spellCheckListWidgetPointer = spellCheckSettingsUi.spellCheckListWidget;
 681
 682     // Populate the combo box labels.
 683     updateUserAgentLabel(userAgentComboBoxPointer->currentText());
 684     updateSearchEngineLabel(searchEngineComboBoxPointer->currentText());
 685
 686     // Update the labels when the combo boxes change.
 687     connect(userAgentComboBoxPointer, SIGNAL(currentTextChanged(const QString)), this, SLOT(updateUserAgentLabel(const QString)));
 688     connect(searchEngineComboBoxPointer, SIGNAL(currentTextChanged(const QString)), this, SLOT(updateSearchEngineLabel(const QString)));
 689
 690     // Connect the download location directory browse button.
 691     connect(browseButtonPointer, SIGNAL(clicked()), this, SLOT(showDownloadLocationBrowseDialog()));
 692
 693     // Create a dictionaries QDir from the `QTWEBENGINE_DICTIONARIES_PATH` environment variable.
 694     QDir dictionariesDir = QDir(qEnvironmentVariable("QTWEBENGINE_DICTIONARIES_PATH"));
 695
 696     // Get a dictionaries string list.
 697     QStringList dictionariesStringList = dictionariesDir.entryList(QStringList(QLatin1String("*.bdic")), QDir::Files | QDir::NoSymLinks);
 698
 699     // Remove the `.bdic` file extensions from the dictionaries list.
 700     dictionariesStringList.replaceInStrings(QLatin1String(".bdic"), QLatin1String(""));
 701
 702     // Get a list of the enabled spell check languages.
 703     QStringList enabledSpellCheckLanguagesList = Settings::spellCheckLanguages();
 704
 705     // Add each dictionary to the spell check list widget.
 706     foreach(QString dictionaryString, dictionariesStringList)
 707     {
 708         // Create a new list widget item pointer named after the dictionary string.
 709         QListWidgetItem *listWidgetItemPointer = new QListWidgetItem(dictionaryString, spellCheckListWidgetPointer);
 710
 711         // Set the list widget item pointer to be checkable.
 712         listWidgetItemPointer->setFlags(listWidgetItemPointer->flags() | Qt::ItemIsUserCheckable);
 713
 714         // Check the language if it is currently enabled.
 715         if (enabledSpellCheckLanguagesList.contains(dictionaryString))
 716             listWidgetItemPointer->setCheckState(Qt::Checked);
 717         else
 718             listWidgetItemPointer->setCheckState(Qt::Unchecked);
 719
 720         // Add the list widget item to the widget.
 721         spellCheckListWidgetPointer->addItem(listWidgetItemPointer);
 722     }
 723
 724     // Get a handle for the KConfig skeleton.
 725     KConfigSkeleton *kConfigSkeletonPointer = Settings::self();
 726
 727     // Instantiate a settings config dialog from the settings.kcfg file.
 728     configDialogPointer = new KConfigDialog(this, QLatin1String("settings"), kConfigSkeletonPointer);
 729
 730     // Add the settings widgets as config dialog pages.
 731     configDialogPointer->addPage(privacySettingsWidgetPointer, i18nc("Settings tab title", "Privacy"), QLatin1String("privacy-browser"));
 732     configDialogPointer->addPage(generalSettingsWidgetPointer, i18nc("Settings tab title", "General"), QLatin1String("breeze-settings"));
 733     configDialogPointer->addPage(spellCheckSettingsWidgetPointer, i18nc("Settings tab title", "Spell Check"), QLatin1String("tools-check-spelling"));
 734
 735     // Get handles for the buttons.
 736     QPushButton *applyButtonPointer = configDialogPointer->button(QDialogButtonBox::Apply);
 737     QPushButton *okButtonPointer = configDialogPointer->button(QDialogButtonBox::Ok);
 738
 739     // Prevent interaction with the parent window while the dialog is open.
 740     configDialogPointer->setWindowModality(Qt::WindowModal);
 741
 742     // Make it so.
 743     configDialogPointer->show();
 744
 745     // TODO.  KConfigDialog does not respect expanding size policies.  <https://redmine.stoutner.com/issues/823>
 746     //configDialogPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 747     //privacySettingsWidgetPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 748     //generalSettingsWidgetPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 749     //configDialogPointer->adjustSize();
 750
 751     // Expand the config dialog.
 752     configDialogPointer->resize(1000, 500);
 753
 754     // Create a save spell check languages lambda.
 755     auto saveSpellCheckLanguages = [spellCheckListWidgetPointer, kConfigSkeletonPointer, this] ()
 756     {
 757         // Create a list of enabled languages.
 758         QStringList newSpellCheckLanguages = QStringList();
 759
 760         // Get a count of all the languages.
 761         int allLanguagesCount = spellCheckListWidgetPointer->count();
 762
 763         // Get a list of all the checked languages.
 764         for (int i = 0; i < allLanguagesCount; ++i) {
 765             // Get the language item.
 766             QListWidgetItem *languageItemPointer = spellCheckListWidgetPointer->item(i);
 767
 768             // Add the item to the enabled languages if it is checked.
 769             if (languageItemPointer->checkState() == Qt::Checked)
 770                 newSpellCheckLanguages.append(languageItemPointer->text());
 771         }
 772
 773         // Update the spell check languages.
 774         if (Settings::spellCheckLanguages() != newSpellCheckLanguages)
 775         {
 776             // Update the spell check languages.
 777             Settings::setSpellCheckLanguages(newSpellCheckLanguages);
 778
 779             // Write the settings to disk.
 780             kConfigSkeletonPointer->save();
 781         }
 782
 783         // Apply the spell check languages.
 784         tabWidgetPointer->applySpellCheckLanguages();
 785     };
 786
 787     // Process
 788     connect(applyButtonPointer, &QPushButton::clicked, this, saveSpellCheckLanguages);
 789     connect(okButtonPointer, &QPushButton::clicked, this, saveSpellCheckLanguages);
 790
 791     // Apply the settings handled by KConfig.
 792     connect(configDialogPointer, SIGNAL(settingsChanged(QString)), tabWidgetPointer, SLOT(applyApplicationSettings()));
 793     connect(configDialogPointer, SIGNAL(settingsChanged(QString)), tabWidgetPointer, SLOT(applyDomainSettingsAndReload()));
 794 }
 795
 796 QSize BrowserWindow::sizeHint() const
 797 {
 798     // Return the default window size.
 799     return QSize(1500, 1200);
 800 }
 801
 802 void BrowserWindow::toggleDomStorage() const
 803 {
 804     // Remove the focus from the URL line edit.
 805     urlLineEditPointer->clearFocus();
 806
 807     // Toggle DOM storage.
 808     tabWidgetPointer->toggleDomStorage();
 809 }
 810
 811 void BrowserWindow::toggleFindCaseSensitive() const
 812 {
 813     // Get the current find string.
 814     const QString findString = findTextLineEditPointer->text();
 815
 816     // Toggle find case sensitive.
 817     tabWidgetPointer->toggleFindCaseSensitive(findString);
 818 }
 819
 820 void BrowserWindow::toggleJavaScript() const
 821 {
 822     // Remove the focus from the URL line edit.
 823     urlLineEditPointer->clearFocus();
 824
 825     // Toggle JavaScript.
 826     tabWidgetPointer->toggleJavaScript();
 827 }
 828
 829 void BrowserWindow::toggleLocalStorage() const
 830 {
 831     // Remove the focus from the URL line edit.
 832     urlLineEditPointer->clearFocus();
 833
 834     // Toggle local storage.
 835     tabWidgetPointer->toggleLocalStorage();
 836 }
 837
 838 void BrowserWindow::toggleFullScreen()
 839 {
 840     // Toggle the full screen status.
 841     if (fullScreenActionPointer->isChecked())  // Enable full screen browsing mode.
 842     {
 843         // Enable full screen mode.
 844         fullScreenActionPointer->setFullScreen(window(), true);
 845
 846         // Hide the menu bar if specified.
 847         if (Settings::fullScreenHideMenuBar())
 848             menuBar()->setVisible(false);
 849
 850         // Hide the toolbars if specified.
 851         if (Settings::fullScreenHideToolBars())
 852         {
 853             navigationToolBarPointer->setVisible(false);
 854             urlToolBarPointer->setVisible(false);
 855         }
 856
 857         // Hide the tab bar if specified.
 858         if (Settings::fullScreenHideTabBar())
 859             tabWidgetPointer->setTabBarVisible(false);
 860
 861         // Hide the status bar if specified.
 862         if (Settings::fullScreenHideStatusBar())
 863             statusBar()->setVisible(false);
 864     }
 865     else  // Disable full screen browsing mode.
 866     {
 867         // Disable full screen mode.
 868         fullScreenActionPointer->setFullScreen(window(), false);
 869
 870         // Show the menu bar.
 871         menuBar()->setVisible(true);
 872
 873         // Show the toolbars.
 874         navigationToolBarPointer->setVisible(true);
 875         urlToolBarPointer->setVisible(true);
 876
 877         // Show the tab bar.
 878         tabWidgetPointer->setTabBarVisible(true);
 879
 880         // Show the status bar.
 881         statusBar()->setVisible(true);
 882     }
 883 }
 884
 885 void BrowserWindow::updateCookiesAction(const int numberOfCookies) const
 886 {
 887     // Update the action text.
 888     cookiesActionPointer->setText(i18nc("The Cookies action, which also displays the number of cookies", "Cookies - %1", numberOfCookies));
 889 }
 890
 891 void BrowserWindow::updateDomStorageAction(const bool &isEnabled) const
 892 {
 893     // Set the action checked status.
 894     domStorageActionPointer->setChecked(isEnabled);
 895 }
 896
 897 void BrowserWindow::updateDomainSettingsIndicator(const bool status)
 898 {
 899     // Set the domain palette according to the status.
 900     if (status)
 901         urlLineEditPointer->setPalette(positiveBackgroundPalette);
 902     else
 903         urlLineEditPointer->setPalette(normalBackgroundPalette);
 904 }
 905
 906 void BrowserWindow::updateFindText(const QString &text, const bool findCaseSensitive) const
 907 {
 908     // Set the text.
 909     findTextLineEditPointer->setText(text);
 910
 911     // Set the find case sensitive action checked status.
 912     findCaseSensitiveActionPointer->setChecked(findCaseSensitive);
 913 }
 914
 915 void BrowserWindow::updateFindTextResults(const QWebEngineFindTextResult &findTextResult) const
 916 {
 917     // Update the find text label.
 918     findTextLabelPointer->setText(QStringLiteral("  %1/%2  ").arg(findTextResult.activeMatch()).arg(findTextResult.numberOfMatches()));
 919
 920     // Set the background color according to the find status.
 921     if (findTextLineEditPointer->text().isEmpty())
 922         findTextLineEditPointer->setPalette(normalBackgroundPalette);
 923     else if (findTextResult.numberOfMatches() == 0)
 924         findTextLineEditPointer->setPalette(negativeBackgroundPalette);
 925     else
 926         findTextLineEditPointer->setPalette(positiveBackgroundPalette);
 927 }
 928
 929 void BrowserWindow::updateJavaScriptAction(const bool &isEnabled)
 930 {
 931     // Update the JavaScript status.
 932     javaScriptEnabled = isEnabled;
 933
 934     // Set the icon according to the status.
 935     if (javaScriptEnabled)
 936         javaScriptActionPointer->setIcon(QIcon(QStringLiteral(":/icons/javascript-warning")));
 937     else
 938         javaScriptActionPointer->setIcon(QIcon(QStringLiteral(":/icons/privacy-mode")));
 939
 940     // Set the action checked status.
 941     javaScriptActionPointer->setChecked(javaScriptEnabled);
 942
 943     // Update the status of the DOM storage action.
 944     domStorageActionPointer->setEnabled(javaScriptEnabled & localStorageEnabled);
 945 }
 946
 947 void BrowserWindow::updateLocalStorageAction(const bool &isEnabled)
 948 {
 949     // Update the local storage status.
 950     localStorageEnabled = isEnabled;
 951
 952     // Update the icon.
 953     if (localStorageEnabled)
 954         localStorageActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("disk-quota-high")));
 955     else
 956         localStorageActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("disk-quota")));
 957
 958     // Set the action checked status.
 959     localStorageActionPointer->setChecked(localStorageEnabled);
 960
 961     // Update the status of the DOM storage action.
 962     domStorageActionPointer->setEnabled(localStorageEnabled & javaScriptEnabled);
 963 }
 964
 965 void BrowserWindow::updateSearchEngineActions(const QString &searchEngine, const bool &updateCustomSearchEngineStatus)
 966 {
 967     // Initialize the custom search engine flag.
 968     bool customSearchEngine = false;
 969
 970     if (searchEngine == "Mojeek")  // Mojeek.
 971     {
 972         // Check the Mojeek user agent action.
 973         searchEngineMojeekActionPointer->setChecked(true);
 974
 975         // Update the search engine menu action text.
 976         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Mojeek"));
 977     }
 978     else if (searchEngine == "Monocles")  // Monocles.
 979     {
 980         // Check the Monocles user agent action.
 981         searchEngineMonoclesActionPointer->setChecked(true);
 982
 983         // Update the search engine menu action text.
 984         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Monocles"));
 985     }
 986     else if (searchEngine == "MetaGer")  // MetaGer.
 987     {
 988         // Check the MetaGer user agent action.
 989         searchEngineMetagerActionPointer->setChecked(true);
 990
 991         // Update the search engine menu action text.
 992         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - MetaGer"));
 993     }
 994     else if (searchEngine == "Google")  // Google.
 995     {
 996         // Check the Google user agent action.
 997         searchEngineGoogleActionPointer->setChecked(true);
 998
 999         // Update the search engine menu action text.
1000         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Google"));
1001     }
1002     else if (searchEngine == "Bing")  // Bing.
1003     {
1004         // Check the Bing user agent action.
1005         searchEngineBingActionPointer->setChecked(true);
1006
1007         // Update the search engine menu action text.
1008         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Bing"));
1009     }
1010     else if (searchEngine == "Yahoo")  // Yahoo.
1011     {
1012         // Check the Yahoo user agent action.
1013         searchEngineYahooActionPointer->setChecked(true);
1014
1015         // Update the search engine menu action text.
1016         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Yahoo"));
1017     }
1018     else  // Custom search engine.
1019     {
1020         // Check the user agent.
1021         searchEngineCustomActionPointer->setChecked(true);
1022
1023         // Update the search engine menu action text.
1024         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Custom"));
1025
1026         // Set the custom search engine text.
1027         searchEngineCustomActionPointer->setText(searchEngine);
1028
1029         // Set the custom search engine flag.
1030         customSearchEngine = true;
1031     }
1032
1033     // Update the custom search engine enabled boolean.
1034     if (updateCustomSearchEngineStatus)
1035         customSearchEngineEnabled = customSearchEngine;
1036
1037     // Format the custom search engine.
1038     if (customSearchEngineEnabled)
1039     {
1040         // Enable the custom search engine.
1041         searchEngineCustomActionPointer->setEnabled(true);
1042     }
1043     else
1044     {
1045         // Disable the custom search engine.
1046         searchEngineCustomActionPointer->setEnabled(false);
1047
1048         // Reset the custom search engine text.
1049         searchEngineCustomActionPointer->setText(i18nc("@action", "Custom"));
1050     }
1051 }
1052
1053 void BrowserWindow::updateUserAgentActions(const QString &userAgent, const bool &updateCustomUserAgentStatus)
1054 {
1055     // Initialize the custom user agent flag.
1056     bool customUserAgent = false;
1057
1058     // Check the indicated on-the-fly user agent.
1059     if (userAgent == UserAgentHelper::PRIVACY_BROWSER_USER_AGENT)  // Privacy Browser.
1060     {
1061         // Check the Privacy Browser user agent action.
1062         userAgentPrivacyBrowserActionPointer->setChecked(true);
1063
1064         // Update the user agent menu action text.
1065         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Privacy Browser"));
1066     }
1067     else if (userAgent == TabWidget::webEngineDefaultUserAgent)  // WebEngine default.
1068     {
1069         // check the WebEngine default user agent action.
1070         userAgentWebEngineDefaultActionPointer->setChecked(true);
1071
1072         // Update the user agent menu action text.
1073         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - WebEngine default"));
1074     }
1075     else if (userAgent == UserAgentHelper::FIREFOX_LINUX_USER_AGENT)  // Firefox on Linux.
1076     {
1077         // Check the Firefox on Linux user agent action.
1078         userAgentFirefoxLinuxActionPointer->setChecked(true);
1079
1080         // Update the user agent menu action text.
1081         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Firefox on Linux"));
1082     }
1083     else if (userAgent == UserAgentHelper::CHROMIUM_LINUX_USER_AGENT)  // Chromium on Linux.
1084     {
1085         // Check the Chromium on Linux user agent action.
1086         userAgentChromiumLinuxActionPointer->setChecked(true);
1087
1088         // Update the user agent menu action text.
1089         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Chromium on Linux"));
1090     }
1091     else if (userAgent == UserAgentHelper::FIREFOX_WINDOWS_USER_AGENT)  // Firefox on Windows.
1092     {
1093         // Check the Firefox on Windows user agent action.
1094         userAgentFirefoxWindowsActionPointer->setChecked(true);
1095
1096         // Update the user agent menu action text.
1097         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Firefox on Windows"));
1098     }
1099     else if (userAgent == UserAgentHelper::CHROME_WINDOWS_USER_AGENT)  // Chrome on Windows.
1100     {
1101         // Check the Chrome on Windows user agent action.
1102         userAgentChromeWindowsActionPointer->setChecked(true);
1103
1104         // Update the user agent menu action text.
1105         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Chrome on Windows"));
1106     }
1107     else if (userAgent == UserAgentHelper::EDGE_WINDOWS_USER_AGENT)  // Edge on Windows.
1108     {
1109         // Check the Edge on Windows user agent action.
1110         userAgentEdgeWindowsActionPointer->setChecked(true);
1111
1112         // Update the user agent menu action text.
1113         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Edge on Windows"));
1114     }
1115     else if (userAgent == UserAgentHelper::SAFARI_MACOS_USER_AGENT)  // Safari on macOS.
1116     {
1117         // Check the Safari on macOS user agent action.
1118         userAgentSafariMacosActionPointer->setChecked(true);
1119
1120         // Update the user agent menu action text.
1121         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Safari on macOS"));
1122     }
1123     else  // Custom user agent.
1124     {
1125         // Check the user agent.
1126         userAgentCustomActionPointer->setChecked(true);
1127
1128         // Update the user agent menu action text.
1129         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Custom"));
1130
1131         // Set the custom user agent text.
1132         userAgentCustomActionPointer->setText(userAgent);
1133
1134         // Set the custom user agent flag.
1135         customUserAgent = true;
1136     }
1137
1138     // Update the custom user agent enabled boolean.
1139     // 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.
1140     if (updateCustomUserAgentStatus)
1141         customUserAgentEnabled = customUserAgent;
1142
1143
1144     // Format the custom user agent.
1145     if (customUserAgentEnabled)
1146     {
1147         // Enable the custom user agent.
1148         userAgentCustomActionPointer->setEnabled(true);
1149     }
1150     else
1151     {
1152         // Disable the custom user agent.
1153         userAgentCustomActionPointer->setEnabled(false);
1154
1155         // Reset the custom user agent text.
1156         userAgentCustomActionPointer->setText(i18nc("@action", "Custom"));
1157     }
1158 }
1159
1160 void BrowserWindow::updateZoomFactorAction(const double &zoomFactor)
1161 {
1162     // Set the current zoom factor.
1163     currentZoomFactor = zoomFactor;
1164
1165     // Update the zoom factor action text, formatting the double with 2 decimal places.
1166     zoomFactorActionPointer->setText(ki18nc("@action", "Zoom Factor - %1").subs(zoomFactor, 0, '0', 2).toString());
1167 }
1168
1169 void BrowserWindow::updateSearchEngineLabel(const QString &searchEngineString) const
1170 {
1171     // Update the search engine label.
1172     searchEngineLabelPointer->setText(SearchEngineHelper::getSearchUrl(searchEngineString));
1173 }
1174
1175 void BrowserWindow::updateUrlLineEdit(const QUrl &newUrl)
1176 {
1177     // Update the URL line edit if it does not have focus.
1178     if (!urlLineEditPointer->hasFocus())
1179     {
1180         // Get the new URL string.
1181         QString newUrlString = newUrl.toString();
1182
1183         // Update the URL line edit.
1184         urlLineEditPointer->setText(newUrlString);
1185
1186         // Set the focus if the new URL is blank.
1187         if (newUrlString == QStringLiteral(""))
1188             urlLineEditPointer->setFocus();
1189     }
1190
1191     // Store the current URL.
1192     currentUrl = newUrl;
1193 }
1194
1195 void BrowserWindow::updateUserAgentLabel(const QString &userAgentDatabaseName) const
1196 {
1197     // Update the user agent label.
1198     userAgentLabelPointer->setText(UserAgentHelper::getUserAgentFromDatabaseName(userAgentDatabaseName));
1199 }
1200
1201 void BrowserWindow::updateWindowTitle(const QString &title)
1202 {
1203     // Update the window title.
1204     setWindowTitle(title);
1205 }