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/DomainSettingsDialog.h"
  26 #include "helpers/SearchEngineHelper.h"
  27 #include "helpers/UserAgentHelper.h"
  28
  29 // KDE Frameworks headers.
  30 #include <KActionCollection>
  31 #include <KToolBar>
  32
  33 // Qt toolkit headers.
  34 #include <QInputDialog>
  35 #include <QStatusBar>
  36
  37 BrowserWindow::BrowserWindow() : KXmlGuiWindow()
  38 {
  39     // Instantiate the main view pointer.
  40     browserViewPointer = new BrowserView(this);
  41
  42     // Set the main view as the central widget.
  43     setCentralWidget(browserViewPointer);
  44
  45     // Get a handle for the action collection.
  46     KActionCollection *actionCollectionPointer = this->actionCollection();
  47
  48     // Add the standard actions.
  49     QAction *backActionPointer = KStandardAction::back(this, SLOT(back()), actionCollectionPointer);
  50     QAction *forwardActionPointer = KStandardAction::forward(this, SLOT(forward()), actionCollectionPointer);
  51     KStandardAction::home(this, SLOT(home()), actionCollectionPointer);
  52     KStandardAction::openNew(this, SLOT(fileNew()), actionCollectionPointer);
  53     KStandardAction::quit(qApp, SLOT(closeAllWindows()), actionCollectionPointer);
  54     KStandardAction::preferences(this, SLOT(settingsConfigure()), actionCollectionPointer);
  55     KStandardAction::redisplay(this, SLOT(refresh()), actionCollectionPointer);
  56
  57     // Add the custom actions.
  58     userAgentPrivacyBrowserActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_privacy_browser"));
  59     userAgentWebEngineDefaultActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_webengine_default"));
  60     userAgentFirefoxLinuxActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_firefox_linux"));
  61     userAgentChromiumLinuxActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_chromium_linux"));
  62     userAgentFirefoxWindowsActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_firefox_windows"));
  63     userAgentChromeWindowsActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_chrome_windows"));
  64     userAgentEdgeWindowsActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_edge_windows"));
  65     userAgentSafariMacosActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_safari_macos"));
  66     userAgentCustomActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_custom"));
  67     zoomFactorActionPointer = actionCollectionPointer->addAction(QStringLiteral("zoom_factor"));
  68     searchEngineMojeekActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_mojeek"));
  69     searchEngineMonoclesActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_monocles"));
  70     searchEngineMetagerActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_metager"));
  71     searchEngineGoogleActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_google"));
  72     searchEngineBingActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_bing"));
  73     searchEngineYahooActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_yahoo"));
  74     searchEngineCustomActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_custom"));
  75     javaScriptActionPointer = actionCollectionPointer->addAction(QStringLiteral("javascript"));
  76     localStorageActionPointer = actionCollectionPointer->addAction(QStringLiteral("local_storage"));
  77     domainSettingsActionPointer = actionCollectionPointer->addAction(QStringLiteral("domain_settings"));
  78
  79     // Create the action groups
  80     QActionGroup *userAgentActionGroupPointer = new QActionGroup(this);
  81     QActionGroup *searchEngineActionGroupPointer = new QActionGroup(this);
  82
  83     // Add the actions to the groups.
  84     userAgentActionGroupPointer->addAction(userAgentPrivacyBrowserActionPointer);
  85     userAgentActionGroupPointer->addAction(userAgentWebEngineDefaultActionPointer);
  86     userAgentActionGroupPointer->addAction(userAgentFirefoxLinuxActionPointer);
  87     userAgentActionGroupPointer->addAction(userAgentChromiumLinuxActionPointer);
  88     userAgentActionGroupPointer->addAction(userAgentFirefoxWindowsActionPointer);
  89     userAgentActionGroupPointer->addAction(userAgentChromeWindowsActionPointer);
  90     userAgentActionGroupPointer->addAction(userAgentEdgeWindowsActionPointer);
  91     userAgentActionGroupPointer->addAction(userAgentSafariMacosActionPointer);
  92     userAgentActionGroupPointer->addAction(userAgentCustomActionPointer);
  93     searchEngineActionGroupPointer->addAction(searchEngineMojeekActionPointer);
  94     searchEngineActionGroupPointer->addAction(searchEngineMonoclesActionPointer);
  95     searchEngineActionGroupPointer->addAction(searchEngineMetagerActionPointer);
  96     searchEngineActionGroupPointer->addAction(searchEngineGoogleActionPointer);
  97     searchEngineActionGroupPointer->addAction(searchEngineBingActionPointer);
  98     searchEngineActionGroupPointer->addAction(searchEngineYahooActionPointer);
  99     searchEngineActionGroupPointer->addAction(searchEngineCustomActionPointer);
 100
 101     // Set some actions to be checkable.
 102     userAgentPrivacyBrowserActionPointer->setCheckable(true);
 103     userAgentWebEngineDefaultActionPointer->setCheckable(true);
 104     userAgentFirefoxLinuxActionPointer->setCheckable(true);
 105     userAgentChromiumLinuxActionPointer->setCheckable(true);
 106     userAgentFirefoxWindowsActionPointer->setCheckable(true);
 107     userAgentChromeWindowsActionPointer->setCheckable(true);
 108     userAgentEdgeWindowsActionPointer->setCheckable(true);
 109     userAgentSafariMacosActionPointer->setCheckable(true);
 110     userAgentCustomActionPointer->setCheckable(true);
 111     searchEngineMojeekActionPointer->setCheckable(true);
 112     searchEngineMonoclesActionPointer->setCheckable(true);
 113     searchEngineMetagerActionPointer->setCheckable(true);
 114     searchEngineGoogleActionPointer->setCheckable(true);
 115     searchEngineBingActionPointer->setCheckable(true);
 116     searchEngineYahooActionPointer->setCheckable(true);
 117     searchEngineCustomActionPointer->setCheckable(true);
 118
 119     // Set the non-mutable action text.
 120     userAgentPrivacyBrowserActionPointer->setText(UserAgentHelper::PRIVACY_BROWSER_TRANSLATED);
 121     userAgentWebEngineDefaultActionPointer->setText(UserAgentHelper::WEB_ENGINE_DEFAULT_TRANSLATED);
 122     userAgentFirefoxLinuxActionPointer->setText(UserAgentHelper::FIREFOX_LINUX_TRANSLATED);
 123     userAgentChromiumLinuxActionPointer->setText(UserAgentHelper::CHROMIUM_LINUX_TRANSLATED);
 124     userAgentFirefoxWindowsActionPointer->setText(UserAgentHelper::FIREFOX_WINDOWS_TRANSLATED);
 125     userAgentChromeWindowsActionPointer->setText(UserAgentHelper::CHROME_WINDOWS_TRANSLATED);
 126     userAgentEdgeWindowsActionPointer->setText(UserAgentHelper::EDGE_WINDOWS_TRANSLATED);
 127     userAgentSafariMacosActionPointer->setText(UserAgentHelper::SAFARI_MACOS_TRANSLATED);
 128     searchEngineMojeekActionPointer->setText(i18nc("Search engine", "Mojeek"));
 129     searchEngineMonoclesActionPointer->setText(i18nc("Search engine", "Monocles"));
 130     searchEngineMetagerActionPointer->setText(i18nc("Search engine", "MetaGer"));
 131     searchEngineGoogleActionPointer->setText(i18nc("Search engine", "Google"));
 132     searchEngineBingActionPointer->setText(i18nc("Search engine", "Bing"));
 133     searchEngineYahooActionPointer->setText(i18nc("Search engine", "Yahoo"));
 134     javaScriptActionPointer->setText(i18nc("JavaScript button", "JavaScript"));
 135     localStorageActionPointer->setText(i18nc("Local Storage Button", "Local Storage"));
 136     domainSettingsActionPointer->setText(i18nc("Domain Settings button", "Domain Settings"));
 137
 138     // Set the action icons.
 139     userAgentPrivacyBrowserActionPointer->setIcon(QIcon(":/icons/privacy-mode"));
 140     userAgentWebEngineDefaultActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("user-group-properties")));
 141     userAgentFirefoxLinuxActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("firefox-esr")));
 142     userAgentChromiumLinuxActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("chromium")));
 143     userAgentFirefoxWindowsActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("firefox-esr")));
 144     userAgentChromeWindowsActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("chromium")));
 145     userAgentEdgeWindowsActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("user-group-properties")));
 146     userAgentSafariMacosActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("user-group-properties")));
 147     userAgentCustomActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("user-group-properties")));
 148     searchEngineMojeekActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 149     searchEngineMonoclesActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 150     searchEngineMetagerActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 151     searchEngineGoogleActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("im-google")));
 152     searchEngineBingActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 153     searchEngineYahooActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("im-yahoo")));
 154     searchEngineCustomActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 155     zoomFactorActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("zoom")));
 156     domainSettingsActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("settings-configure")));
 157
 158     // Update the on-the-fly menus.
 159     connect(browserViewPointer, SIGNAL(updateUserAgentActions(QString)), this, SLOT(updateUserAgentActions(QString)));
 160     connect(browserViewPointer, SIGNAL(updateZoomFactorAction(double)), this, SLOT(updateZoomFactorAction(double)));
 161     connect(browserViewPointer, SIGNAL(updateSearchEngineActions(QString)), this, SLOT(updateSearchEngineActions(QString)));
 162
 163     // Apply the on-the-fly settings when selected.
 164     connect(userAgentActionGroupPointer, SIGNAL(triggered(QAction*)), browserViewPointer, SLOT(applyOnTheFlyUserAgent(QAction*)));
 165     connect(searchEngineActionGroupPointer, SIGNAL(triggered(QAction*)), browserViewPointer, SLOT(applyOnTheFlySearchEngine(QAction*)));
 166
 167     // Display dialogs.
 168     connect(zoomFactorActionPointer, SIGNAL(triggered()), this, SLOT(getZoomFactorFromUser()));
 169
 170     // Connect the URL toolbar actions.
 171     connect(javaScriptActionPointer, SIGNAL(triggered()), this, SLOT(toggleJavaScript()));
 172     connect(localStorageActionPointer, SIGNAL(triggered()), this, SLOT(toggleLocalStorage()));
 173     connect(domainSettingsActionPointer, SIGNAL(triggered()), this, SLOT(openDomainSettings()));
 174
 175     // Update the URL toolbar actions.
 176     connect(browserViewPointer, SIGNAL(updateBackAction(bool)), backActionPointer, SLOT(setEnabled(bool)));
 177     connect(browserViewPointer, SIGNAL(updateForwardAction(bool)), forwardActionPointer, SLOT(setEnabled(bool)));
 178     connect(browserViewPointer, SIGNAL(updateJavaScriptAction(bool)), this, SLOT(updateJavaScriptAction(bool)));
 179     connect(browserViewPointer, SIGNAL(updateLocalStorageAction(bool)), this, SLOT(updateLocalStorageAction(bool)));
 180
 181     // Setup the GUI based on the browser_ui.rc file.
 182     setupGUI(StandardWindowOption::Default, ("browser_ui.rc"));
 183
 184     // Get a handle for the URL toolbar.
 185     KToolBar *urlToolBarPointer = toolBar(QStringLiteral("url_toolbar"));
 186
 187     // Create a URL line edit.
 188     urlLineEditPointer = new KLineEdit();
 189
 190     // Add an edit or add domain settings action to the URL line edit.
 191     QAction *addOrEditDomainSettingsActionPointer = urlLineEditPointer->addAction(QIcon::fromTheme("settings-configure"), QLineEdit::TrailingPosition);
 192
 193     // Add or edit the current domain settings.
 194     connect(addOrEditDomainSettingsActionPointer, SIGNAL(triggered()), this, SLOT(addOrEditDomainSettings()));
 195
 196     // Populate the URL toolbar.
 197     urlToolBarPointer->insertWidget(javaScriptActionPointer, urlLineEditPointer);
 198
 199     // Load a new URL from the URL line edit.
 200     connect(urlLineEditPointer, SIGNAL(returnKeyPressed(const QString)), this, SLOT(loadUrlFromLineEdit(const QString)));
 201
 202     // Update the URL line edit on page loads.
 203     connect(browserViewPointer, SIGNAL(updateUrlLineEdit(QUrl)), this, SLOT(updateUrlLineEdit(QUrl)));
 204
 205     // Get a handle for the status bar.
 206     QStatusBar *statusBarPointer = statusBar();
 207
 208     // Create a progress bar.
 209     progressBarPointer = new QProgressBar();
 210
 211     // Add the progress bar to to the status bar.
 212     statusBarPointer->addPermanentWidget(progressBarPointer);
 213
 214     // Update the status bar with the URL when a link is hovered.
 215     connect(browserViewPointer, SIGNAL(linkHovered(QString)), statusBarPointer, SLOT(showMessage(QString)));
 216
 217     // Update the progress bar.
 218     connect(browserViewPointer, SIGNAL(showProgressBar(const int)), this, SLOT(showProgressBar(const int)));
 219     connect(browserViewPointer, SIGNAL(hideProgressBar()), progressBarPointer, SLOT(hide()));
 220
 221     // Get the URL line edit palettes.
 222     noDomainSettingsPalette = urlLineEditPointer->palette();
 223     domainSettingsPalette = urlLineEditPointer->palette();
 224
 225     // Modify the domain settings palette.
 226     domainSettingsPalette.setColor(QPalette::Base, QColor("#C8E6C9"));
 227
 228     // Update the applied palette.
 229     connect(browserViewPointer, SIGNAL(updateDomainSettingsIndicator(bool, QString)), this, SLOT(updateDomainSettingsIndicator(bool, QString)));
 230
 231     // Load the initial website.
 232     browserViewPointer->loadInitialWebsite();
 233 }
 234
 235 void BrowserWindow::addOrEditDomainSettings() const
 236 {
 237     // Remove the focus from the URL line edit.
 238     urlLineEditPointer->clearFocus();
 239
 240     // Create the domain settings dialog pointer.
 241     DomainSettingsDialog *domainSettingsDialogPointer;
 242
 243     // Run the commands according to the current domain settings status.
 244     if (currentDomainSettingsDomain == "")  // Domain settings are not currently applied.
 245     {
 246         // Instruct the domain settings dialog to add a new domain.
 247         domainSettingsDialogPointer = new DomainSettingsDialog(DomainSettingsDialog::ADD_DOMAIN, currentUrl.host());
 248     }
 249     else  // Domain settings are currently applied.
 250     {
 251         // Instruct the domain settings dialog to edit the current domain.
 252         domainSettingsDialogPointer = new DomainSettingsDialog(DomainSettingsDialog::EDIT_DOMAIN, currentDomainSettingsDomain);
 253     }
 254
 255     // Set the dialog window title.
 256     domainSettingsDialogPointer->setWindowTitle(i18nc("The domain settings dialog title", "Domain Settings"));
 257
 258     // Set the modality.
 259     domainSettingsDialogPointer->setWindowModality(Qt::WindowModality::WindowModal);;
 260
 261     // Show the dialog.
 262     domainSettingsDialogPointer->show();
 263
 264     // Reload the tabs when domain settings are updated.
 265     connect(domainSettingsDialogPointer, SIGNAL(domainSettingsUpdated()), browserViewPointer, SLOT(applyDomainSettingsAndReload()));
 266 }
 267
 268 void BrowserWindow::back() const
 269 {
 270     // Remove the focus from the URL line edit.
 271     urlLineEditPointer->clearFocus();
 272
 273     // Go back.
 274     browserViewPointer->back();
 275 }
 276
 277 void BrowserWindow::fileNew() const
 278 {
 279     // Display a new instance of Privacy Browser.
 280     (new BrowserWindow)->show();
 281 }
 282
 283 void BrowserWindow::forward() const
 284 {
 285     // Remove the focus from the URL line edit.
 286     urlLineEditPointer->clearFocus();
 287
 288     // Go forward.
 289     browserViewPointer->forward();
 290 }
 291
 292 void BrowserWindow::getZoomFactorFromUser()
 293 {
 294     // Create an OK flag.
 295     bool okClicked;
 296
 297     // 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.
 298     double newZoomFactor = QInputDialog::getDouble(this, i18nc("The on-the-fly zoom factor dialog title", "On-The-Fly Zoom Factor"),
 299                                                    i18nc("The instruction text of the on-the-fly zoom factor dialog", "Enter a zoom factor between 0.25 and 5.00"),
 300                                                    currentZoomFactor, .025, 5.00, 2, &okClicked, Qt::WindowFlags(), 0.25);
 301
 302     // Update the zoom factor if the user clicked OK.
 303     if (okClicked)
 304     {
 305         // Update the current zoom factor.
 306         currentZoomFactor = newZoomFactor;
 307
 308         // Set the new zoom factor.
 309         browserViewPointer->applyOnTheFlyZoomFactor(newZoomFactor);
 310
 311         // Update the on-the-fly action text.
 312         updateZoomFactorAction(newZoomFactor);
 313     }
 314 }
 315
 316 void BrowserWindow::home() const
 317 {
 318     // Remove the focus from the URL line edit.
 319     urlLineEditPointer->clearFocus();
 320
 321     // Go home.
 322     browserViewPointer->home();
 323 }
 324
 325 void BrowserWindow::loadUrlFromLineEdit(const QString &url) const
 326 {
 327     // Remove the focus from the URL line edit.
 328     urlLineEditPointer->clearFocus();
 329
 330     // Load the URL.
 331     browserViewPointer->loadUrlFromLineEdit(url);
 332 }
 333
 334 void BrowserWindow::openDomainSettings() const
 335 {
 336     // Remove the focus from the URL line edit.
 337     urlLineEditPointer->clearFocus();
 338
 339     // Instantiate the domain settings dialog.
 340     DomainSettingsDialog *domainSettingsDialogPointer = new DomainSettingsDialog();
 341
 342     // Set the dialog window title.
 343     domainSettingsDialogPointer->setWindowTitle(i18nc("The domain settings dialog title", "Domain Settings"));
 344
 345     // Set the modality.
 346     domainSettingsDialogPointer->setWindowModality(Qt::WindowModality::WindowModal);;
 347
 348     // Show the dialog.
 349     domainSettingsDialogPointer->show();
 350
 351     // Reload the tabs when domain settings are updated.
 352     connect(domainSettingsDialogPointer, SIGNAL(domainSettingsUpdated()), browserViewPointer, SLOT(applyDomainSettingsAndReload()));
 353 }
 354
 355 void BrowserWindow::refresh() const
 356 {
 357     // Remove the focus from the URL line edit.
 358     urlLineEditPointer->clearFocus();
 359
 360     // Refresh the web page.
 361     browserViewPointer->refresh();
 362 }
 363
 364 void BrowserWindow::showProgressBar(const int &progress) const
 365 {
 366     // Set the progress bar value.
 367     progressBarPointer->setValue(progress);
 368
 369     // Show the progress bar.
 370     progressBarPointer->show();
 371 }
 372
 373 QSize BrowserWindow::sizeHint() const
 374 {
 375     // Return the default window size.
 376     return QSize(1500, 1200);
 377 }
 378
 379 void BrowserWindow::settingsConfigure()
 380 {
 381     // Check to make sure the dialog box isn't already displayed.
 382     if (KConfigDialog::exists(QStringLiteral("settings")))
 383     {
 384         // Show the existing config dialog if it is hidden.
 385         configDialogPointer->show();
 386
 387         // Raise the existing config dialog if it is below other windows.
 388         configDialogPointer->raise();
 389
 390         // Restore the existing config dialog if it has been minimized.
 391         if (configDialogPointer->isMinimized()) {
 392             configDialogPointer->showNormal();
 393         }
 394
 395         // Activate the existing config dialog, which brings its virtual desktop into focus.
 396         configDialogPointer->activateWindow();
 397     }
 398     else
 399     {
 400         // Create the settings widgets.
 401         QWidget *privacySettingsWidgetPointer = new QWidget;
 402         QWidget *generalSettingsWidgetPointer = new QWidget;
 403
 404         // Instantiate the settings UI.
 405         Ui::PrivacySettings privacySettingsUi;
 406         Ui::GeneralSettings generalSettingsUi;
 407
 408         // Setup the UI to display the settings widgets.
 409         privacySettingsUi.setupUi(privacySettingsWidgetPointer);
 410         generalSettingsUi.setupUi(generalSettingsWidgetPointer);
 411
 412         // Get handles for the widgets.
 413         QComboBox *userAgentComboBoxPointer = privacySettingsUi.kcfg_userAgent;
 414         userAgentLabelPointer = privacySettingsUi.userAgentLabel;
 415         QComboBox *searchEngineComboBoxPointer = generalSettingsUi.kcfg_searchEngine;
 416         searchEngineLabelPointer = generalSettingsUi.searchEngineLabel;
 417
 418         // Populate the combo box labels.
 419         updateUserAgentLabel(userAgentComboBoxPointer->currentText());
 420         updateSearchEngineLabel(searchEngineComboBoxPointer->currentText());
 421
 422         // Update the labels when the combo boxes change.
 423         connect(userAgentComboBoxPointer, SIGNAL(currentTextChanged(const QString)), this, SLOT(updateUserAgentLabel(const QString)));
 424         connect(searchEngineComboBoxPointer, SIGNAL(currentTextChanged(const QString)), this, SLOT(updateSearchEngineLabel(const QString)));
 425
 426         // Instantiate a settings config dialog from the settings.kcfg file.
 427         configDialogPointer = new KConfigDialog(this, QStringLiteral("settings"), Settings::self());
 428
 429         // Add the settings widgets as config dialog pages.
 430         configDialogPointer->addPage(privacySettingsWidgetPointer, i18nc("@title:tab", "Privacy"), QStringLiteral("privacy-browser"));
 431         configDialogPointer->addPage(generalSettingsWidgetPointer, i18nc("@title:tab", "General"), QStringLiteral("breeze-settings"));
 432
 433         // Delete the config dialog when it is closed.
 434         configDialogPointer->setAttribute(Qt::WA_DeleteOnClose);
 435
 436         // Make it so.
 437         configDialogPointer->show();
 438
 439         // TODO.  KConfigDialog does not respect expanding size policies.  <https://redmine.stoutner.com/issues/823>
 440         //configDialogPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 441         //privacySettingsWidgetPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 442         //generalSettingsWidgetPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 443         //configDialogPointer->adjustSize();
 444
 445         // Expand the config dialog.
 446         configDialogPointer->resize(1000, 500);
 447
 448         // Apply the settings when they are updated.
 449         connect(configDialogPointer, SIGNAL(settingsChanged(QString)), browserViewPointer, SLOT(applyApplicationSettings()));
 450         connect(configDialogPointer, SIGNAL(settingsChanged(QString)), browserViewPointer, SLOT(applyDomainSettingsAndReload()));
 451     }
 452 }
 453
 454 void BrowserWindow::toggleJavaScript() const
 455 {
 456     // Remove the focus from the URL line edit.
 457     urlLineEditPointer->clearFocus();
 458
 459     // Toggle JavaScript.
 460     browserViewPointer->toggleJavaScript();
 461 }
 462
 463 void BrowserWindow::toggleLocalStorage() const
 464 {
 465     // Remove the focus from the URL line edit.
 466     urlLineEditPointer->clearFocus();
 467
 468     // Toggle JavaScript.
 469     browserViewPointer->toggleLocalStorage();
 470 }
 471
 472 void BrowserWindow::updateDomainSettingsIndicator(const bool &status, const QString &domainSettingsDomain)
 473 {
 474     // Set the domain palette according to the status.
 475     if (status) urlLineEditPointer->setPalette(domainSettingsPalette);
 476     else urlLineEditPointer->setPalette(noDomainSettingsPalette);
 477
 478     // Store the domain.
 479     currentDomainSettingsDomain = domainSettingsDomain;
 480 }
 481
 482 void BrowserWindow::updateJavaScriptAction(const bool &isEnabled) const
 483 {
 484     // Set the icon according to the status.
 485     if (isEnabled) javaScriptActionPointer->setIcon(QIcon(":/icons/javascript-warning"));
 486     else javaScriptActionPointer->setIcon(QIcon(":/icons/privacy-mode"));
 487 }
 488
 489 void BrowserWindow::updateLocalStorageAction(const bool &isEnabled) const
 490 {
 491     // Set the icon according to the status.
 492     if (isEnabled) localStorageActionPointer->setIcon(QIcon::fromTheme("disk-quota-low"));
 493     else localStorageActionPointer->setIcon(QIcon::fromTheme("disk-quota"));
 494 }
 495
 496 void BrowserWindow::updateSearchEngineActions(const QString &searchEngine) const
 497 {
 498     // Initialize the custom search engine flag.
 499     bool customSearchEngine = false;
 500
 501     if (searchEngine == "Mojeek")  // Mojeek.
 502     {
 503         searchEngineMojeekActionPointer->setChecked(true);
 504     }
 505     else if (searchEngine == "Monocles")  // Monocles.
 506     {
 507         searchEngineMonoclesActionPointer->setChecked(true);
 508     }
 509     else if (searchEngine == "MetaGer")  // MetaGer.
 510     {
 511         searchEngineMetagerActionPointer->setChecked(true);
 512     }
 513     else if (searchEngine == "Google")  // Google.
 514     {
 515         searchEngineGoogleActionPointer->setChecked(true);
 516     }
 517     else if (searchEngine == "Bing")  // Bing.
 518     {
 519         searchEngineBingActionPointer->setChecked(true);
 520     }
 521     else if (searchEngine == "Yahoo")  // Yahoo.
 522     {
 523         searchEngineYahooActionPointer->setChecked(true);
 524     }
 525     else  // Custom search engine.
 526     {
 527         // Check the user agent.
 528         searchEngineCustomActionPointer->setChecked(true);
 529
 530         // Set the custom search engine flag.
 531         customSearchEngine = true;
 532     }
 533
 534     // Format the custom search engine.
 535     if (customSearchEngine)
 536     {
 537         // Enable the custom search engine.
 538         searchEngineCustomActionPointer->setEnabled(true);
 539
 540         // Set the custom search engine text.
 541         searchEngineCustomActionPointer->setText(searchEngine);
 542     }
 543     else
 544     {
 545         // Disable the custom search engine.
 546         searchEngineCustomActionPointer->setEnabled(false);
 547
 548         // Reset the custom search engine text.
 549         searchEngineCustomActionPointer->setText(i18nc("@action", "Custom"));
 550     }
 551 }
 552
 553 void BrowserWindow::updateUserAgentActions(const QString &userAgent) const
 554 {
 555     // Initialize the custom user agent flag.
 556     bool customUserAgent = false;
 557
 558     // Check the indicated on-the-fly user agent.
 559     if (userAgent == UserAgentHelper::PRIVACY_BROWSER_USER_AGENT) userAgentPrivacyBrowserActionPointer->setChecked(true);  // Privacy Browser.
 560     else if (userAgent == BrowserView::webEngineDefaultUserAgent) userAgentWebEngineDefaultActionPointer->setChecked(true);  // WebEngine default.
 561     else if (userAgent == UserAgentHelper::FIREFOX_LINUX_USER_AGENT) userAgentFirefoxLinuxActionPointer->setChecked(true);  // Firefox Linux.
 562     else if (userAgent == UserAgentHelper::CHROMIUM_LINUX_USER_AGENT) userAgentChromiumLinuxActionPointer->setChecked(true);  // Chromium Linux.
 563     else if (userAgent == UserAgentHelper::FIREFOX_WINDOWS_USER_AGENT) userAgentFirefoxWindowsActionPointer->setChecked(true);  // Firefox Windows.
 564     else if (userAgent == UserAgentHelper::CHROME_WINDOWS_USER_AGENT) userAgentChromeWindowsActionPointer->setChecked(true);  // Chrome Windows.
 565     else if (userAgent == UserAgentHelper::EDGE_WINDOWS_USER_AGENT) userAgentEdgeWindowsActionPointer->setChecked(true);  // Edge Windows.
 566     else if (userAgent == UserAgentHelper::SAFARI_MACOS_USER_AGENT) userAgentSafariMacosActionPointer->setChecked(true);  // Safara macOS.
 567     else  // Custom user agent.
 568     {
 569         // Check the user agent.
 570         userAgentCustomActionPointer->setChecked(true);
 571
 572         // Set the custom user agent flag.
 573         customUserAgent = true;
 574     }
 575
 576
 577     // Format the custom user agent.
 578     if (customUserAgent)
 579     {
 580         // Enable the custom user agent.
 581         userAgentCustomActionPointer->setEnabled(true);
 582
 583         // Set the custom user agent text.
 584         userAgentCustomActionPointer->setText(userAgent);
 585     }
 586     else
 587     {
 588         // Disable the custom user agent.
 589         userAgentCustomActionPointer->setEnabled(false);
 590
 591         // Reset the custom user agent text.
 592         userAgentCustomActionPointer->setText(i18nc("@action", "Custom"));
 593     }
 594 }
 595
 596 void BrowserWindow::updateZoomFactorAction(const double &zoomFactor)
 597 {
 598     // Set the current zoom factor.
 599     currentZoomFactor = zoomFactor;
 600
 601     // Update the zoom factor action text, formatting the double with 2 decimal places.
 602     zoomFactorActionPointer->setText(ki18nc("@action", "Zoom Factor - %1").subs(zoomFactor, 0, '0', 2).toString());
 603 }
 604
 605 void BrowserWindow::updateSearchEngineLabel(const QString &searchEngineString) const
 606 {
 607     // Update the search engine label.
 608     searchEngineLabelPointer->setText(SearchEngineHelper::getSearchUrl(searchEngineString));
 609 }
 610
 611 void BrowserWindow::updateUrlLineEdit(const QUrl &newUrl)
 612 {
 613     // Update the URL line edit if it does not have focus.
 614     if (!urlLineEditPointer->hasFocus())
 615     {
 616         // Update the URL line edit.
 617         urlLineEditPointer->setText(newUrl.toString());
 618     }
 619
 620     // Store the current URL.
 621     currentUrl = newUrl;
 622 }
 623
 624 void BrowserWindow::updateUserAgentLabel(const QString &userAgentDatabaseName) const
 625 {
 626     // Update the user agent label.
 627     userAgentLabelPointer->setText(UserAgentHelper::getUserAgentFromDatabaseName(userAgentDatabaseName));
 628 }