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     // Clear the URL line edit focus when requested.
 222     connect(browserViewPointer, SIGNAL(clearUrlLineEditFocus()), this, SLOT(clearUrlLineEditFocus()));
 223
 224     // Get the URL line edit palettes.
 225     noDomainSettingsPalette = urlLineEditPointer->palette();
 226     domainSettingsPalette = urlLineEditPointer->palette();
 227
 228     // Modify the domain settings palette.
 229     domainSettingsPalette.setColor(QPalette::Base, QColor("#C8E6C9"));
 230
 231     // Update the applied palette.
 232     connect(browserViewPointer, SIGNAL(updateDomainSettingsIndicator(bool, QString)), this, SLOT(updateDomainSettingsIndicator(bool, QString)));
 233
 234     // Load the initial website.
 235     browserViewPointer->loadInitialWebsite();
 236 }
 237
 238 void BrowserWindow::addOrEditDomainSettings() const
 239 {
 240     // Remove the focus from the URL line edit.
 241     urlLineEditPointer->clearFocus();
 242
 243     // Create the domain settings dialog pointer.
 244     DomainSettingsDialog *domainSettingsDialogPointer;
 245
 246     // Run the commands according to the current domain settings status.
 247     if (currentDomainSettingsDomain == "")  // Domain settings are not currently applied.
 248     {
 249         // Instruct the domain settings dialog to add a new domain.
 250         domainSettingsDialogPointer = new DomainSettingsDialog(DomainSettingsDialog::ADD_DOMAIN, currentUrl.host());
 251     }
 252     else  // Domain settings are currently applied.
 253     {
 254         // Instruct the domain settings dialog to edit the current domain.
 255         domainSettingsDialogPointer = new DomainSettingsDialog(DomainSettingsDialog::EDIT_DOMAIN, currentDomainSettingsDomain);
 256     }
 257
 258     // Set the dialog window title.
 259     domainSettingsDialogPointer->setWindowTitle(i18nc("The domain settings dialog title", "Domain Settings"));
 260
 261     // Set the modality.
 262     domainSettingsDialogPointer->setWindowModality(Qt::WindowModality::WindowModal);;
 263
 264     // Show the dialog.
 265     domainSettingsDialogPointer->show();
 266
 267     // Reload the tabs when domain settings are updated.
 268     connect(domainSettingsDialogPointer, SIGNAL(domainSettingsUpdated()), browserViewPointer, SLOT(applyDomainSettingsAndReload()));
 269 }
 270
 271 void BrowserWindow::back() const
 272 {
 273     // Remove the focus from the URL line edit.
 274     urlLineEditPointer->clearFocus();
 275
 276     // Go back.
 277     browserViewPointer->back();
 278 }
 279
 280 void BrowserWindow::clearUrlLineEditFocus() const
 281 {
 282     // Remove the focus from the URL line edit.
 283     urlLineEditPointer->clearFocus();
 284 }
 285
 286 void BrowserWindow::fileNew() const
 287 {
 288     // Display a new instance of Privacy Browser.
 289     (new BrowserWindow)->show();
 290 }
 291
 292 void BrowserWindow::forward() const
 293 {
 294     // Remove the focus from the URL line edit.
 295     urlLineEditPointer->clearFocus();
 296
 297     // Go forward.
 298     browserViewPointer->forward();
 299 }
 300
 301 void BrowserWindow::getZoomFactorFromUser()
 302 {
 303     // Create an OK flag.
 304     bool okClicked;
 305
 306     // 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.
 307     double newZoomFactor = QInputDialog::getDouble(this, i18nc("The on-the-fly zoom factor dialog title", "On-The-Fly Zoom Factor"),
 308                                                    i18nc("The instruction text of the on-the-fly zoom factor dialog", "Enter a zoom factor between 0.25 and 5.00"),
 309                                                    currentZoomFactor, .025, 5.00, 2, &okClicked, Qt::WindowFlags(), 0.25);
 310
 311     // Update the zoom factor if the user clicked OK.
 312     if (okClicked)
 313     {
 314         // Update the current zoom factor.
 315         currentZoomFactor = newZoomFactor;
 316
 317         // Set the new zoom factor.
 318         browserViewPointer->applyOnTheFlyZoomFactor(newZoomFactor);
 319
 320         // Update the on-the-fly action text.
 321         updateZoomFactorAction(newZoomFactor);
 322     }
 323 }
 324
 325 void BrowserWindow::home() const
 326 {
 327     // Remove the focus from the URL line edit.
 328     urlLineEditPointer->clearFocus();
 329
 330     // Go home.
 331     browserViewPointer->home();
 332 }
 333
 334 void BrowserWindow::loadUrlFromLineEdit(const QString &url) const
 335 {
 336     // Remove the focus from the URL line edit.
 337     urlLineEditPointer->clearFocus();
 338
 339     // Load the URL.
 340     browserViewPointer->loadUrlFromLineEdit(url);
 341 }
 342
 343 void BrowserWindow::openDomainSettings() const
 344 {
 345     // Remove the focus from the URL line edit.
 346     urlLineEditPointer->clearFocus();
 347
 348     // Instantiate the domain settings dialog.
 349     DomainSettingsDialog *domainSettingsDialogPointer = new DomainSettingsDialog();
 350
 351     // Set the dialog window title.
 352     domainSettingsDialogPointer->setWindowTitle(i18nc("The domain settings dialog title", "Domain Settings"));
 353
 354     // Set the modality.
 355     domainSettingsDialogPointer->setWindowModality(Qt::WindowModality::WindowModal);;
 356
 357     // Show the dialog.
 358     domainSettingsDialogPointer->show();
 359
 360     // Reload the tabs when domain settings are updated.
 361     connect(domainSettingsDialogPointer, SIGNAL(domainSettingsUpdated()), browserViewPointer, SLOT(applyDomainSettingsAndReload()));
 362 }
 363
 364 void BrowserWindow::refresh() const
 365 {
 366     // Remove the focus from the URL line edit.
 367     urlLineEditPointer->clearFocus();
 368
 369     // Refresh the web page.
 370     browserViewPointer->refresh();
 371 }
 372
 373 void BrowserWindow::showProgressBar(const int &progress) const
 374 {
 375     // Set the progress bar value.
 376     progressBarPointer->setValue(progress);
 377
 378     // Show the progress bar.
 379     progressBarPointer->show();
 380 }
 381
 382 QSize BrowserWindow::sizeHint() const
 383 {
 384     // Return the default window size.
 385     return QSize(1500, 1200);
 386 }
 387
 388 void BrowserWindow::settingsConfigure()
 389 {
 390     // Check to make sure the dialog box isn't already displayed.
 391     if (KConfigDialog::exists(QStringLiteral("settings")))
 392     {
 393         // Show the existing config dialog if it is hidden.
 394         configDialogPointer->show();
 395
 396         // Raise the existing config dialog if it is below other windows.
 397         configDialogPointer->raise();
 398
 399         // Restore the existing config dialog if it has been minimized.
 400         if (configDialogPointer->isMinimized()) {
 401             configDialogPointer->showNormal();
 402         }
 403
 404         // Activate the existing config dialog, which brings its virtual desktop into focus.
 405         configDialogPointer->activateWindow();
 406     }
 407     else
 408     {
 409         // Create the settings widgets.
 410         QWidget *privacySettingsWidgetPointer = new QWidget;
 411         QWidget *generalSettingsWidgetPointer = new QWidget;
 412
 413         // Instantiate the settings UI.
 414         Ui::PrivacySettings privacySettingsUi;
 415         Ui::GeneralSettings generalSettingsUi;
 416
 417         // Setup the UI to display the settings widgets.
 418         privacySettingsUi.setupUi(privacySettingsWidgetPointer);
 419         generalSettingsUi.setupUi(generalSettingsWidgetPointer);
 420
 421         // Get handles for the widgets.
 422         QComboBox *userAgentComboBoxPointer = privacySettingsUi.kcfg_userAgent;
 423         userAgentLabelPointer = privacySettingsUi.userAgentLabel;
 424         QComboBox *searchEngineComboBoxPointer = generalSettingsUi.kcfg_searchEngine;
 425         searchEngineLabelPointer = generalSettingsUi.searchEngineLabel;
 426
 427         // Populate the combo box labels.
 428         updateUserAgentLabel(userAgentComboBoxPointer->currentText());
 429         updateSearchEngineLabel(searchEngineComboBoxPointer->currentText());
 430
 431         // Update the labels when the combo boxes change.
 432         connect(userAgentComboBoxPointer, SIGNAL(currentTextChanged(const QString)), this, SLOT(updateUserAgentLabel(const QString)));
 433         connect(searchEngineComboBoxPointer, SIGNAL(currentTextChanged(const QString)), this, SLOT(updateSearchEngineLabel(const QString)));
 434
 435         // Instantiate a settings config dialog from the settings.kcfg file.
 436         configDialogPointer = new KConfigDialog(this, QStringLiteral("settings"), Settings::self());
 437
 438         // Add the settings widgets as config dialog pages.
 439         configDialogPointer->addPage(privacySettingsWidgetPointer, i18nc("@title:tab", "Privacy"), QStringLiteral("privacy-browser"));
 440         configDialogPointer->addPage(generalSettingsWidgetPointer, i18nc("@title:tab", "General"), QStringLiteral("breeze-settings"));
 441
 442         // Delete the config dialog when it is closed.
 443         configDialogPointer->setAttribute(Qt::WA_DeleteOnClose);
 444
 445         // Make it so.
 446         configDialogPointer->show();
 447
 448         // TODO.  KConfigDialog does not respect expanding size policies.  <https://redmine.stoutner.com/issues/823>
 449         //configDialogPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 450         //privacySettingsWidgetPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 451         //generalSettingsWidgetPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 452         //configDialogPointer->adjustSize();
 453
 454         // Expand the config dialog.
 455         configDialogPointer->resize(1000, 500);
 456
 457         // Apply the settings when they are updated.
 458         connect(configDialogPointer, SIGNAL(settingsChanged(QString)), browserViewPointer, SLOT(applyApplicationSettings()));
 459         connect(configDialogPointer, SIGNAL(settingsChanged(QString)), browserViewPointer, SLOT(applyDomainSettingsAndReload()));
 460     }
 461 }
 462
 463 void BrowserWindow::toggleJavaScript() const
 464 {
 465     // Remove the focus from the URL line edit.
 466     urlLineEditPointer->clearFocus();
 467
 468     // Toggle JavaScript.
 469     browserViewPointer->toggleJavaScript();
 470 }
 471
 472 void BrowserWindow::toggleLocalStorage() const
 473 {
 474     // Remove the focus from the URL line edit.
 475     urlLineEditPointer->clearFocus();
 476
 477     // Toggle JavaScript.
 478     browserViewPointer->toggleLocalStorage();
 479 }
 480
 481 void BrowserWindow::updateDomainSettingsIndicator(const bool &status, const QString &domainSettingsDomain)
 482 {
 483     // Set the domain palette according to the status.
 484     if (status) urlLineEditPointer->setPalette(domainSettingsPalette);
 485     else urlLineEditPointer->setPalette(noDomainSettingsPalette);
 486
 487     // Store the domain.
 488     currentDomainSettingsDomain = domainSettingsDomain;
 489 }
 490
 491 void BrowserWindow::updateJavaScriptAction(const bool &isEnabled) const
 492 {
 493     // Set the icon according to the status.
 494     if (isEnabled) javaScriptActionPointer->setIcon(QIcon(":/icons/javascript-warning"));
 495     else javaScriptActionPointer->setIcon(QIcon(":/icons/privacy-mode"));
 496 }
 497
 498 void BrowserWindow::updateLocalStorageAction(const bool &isEnabled) const
 499 {
 500     // Set the icon according to the status.
 501     if (isEnabled) localStorageActionPointer->setIcon(QIcon::fromTheme("disk-quota-low"));
 502     else localStorageActionPointer->setIcon(QIcon::fromTheme("disk-quota"));
 503 }
 504
 505 void BrowserWindow::updateSearchEngineActions(const QString &searchEngine) const
 506 {
 507     // Initialize the custom search engine flag.
 508     bool customSearchEngine = false;
 509
 510     if (searchEngine == "Mojeek")  // Mojeek.
 511     {
 512         searchEngineMojeekActionPointer->setChecked(true);
 513     }
 514     else if (searchEngine == "Monocles")  // Monocles.
 515     {
 516         searchEngineMonoclesActionPointer->setChecked(true);
 517     }
 518     else if (searchEngine == "MetaGer")  // MetaGer.
 519     {
 520         searchEngineMetagerActionPointer->setChecked(true);
 521     }
 522     else if (searchEngine == "Google")  // Google.
 523     {
 524         searchEngineGoogleActionPointer->setChecked(true);
 525     }
 526     else if (searchEngine == "Bing")  // Bing.
 527     {
 528         searchEngineBingActionPointer->setChecked(true);
 529     }
 530     else if (searchEngine == "Yahoo")  // Yahoo.
 531     {
 532         searchEngineYahooActionPointer->setChecked(true);
 533     }
 534     else  // Custom search engine.
 535     {
 536         // Check the user agent.
 537         searchEngineCustomActionPointer->setChecked(true);
 538
 539         // Set the custom search engine flag.
 540         customSearchEngine = true;
 541     }
 542
 543     // Format the custom search engine.
 544     if (customSearchEngine)
 545     {
 546         // Enable the custom search engine.
 547         searchEngineCustomActionPointer->setEnabled(true);
 548
 549         // Set the custom search engine text.
 550         searchEngineCustomActionPointer->setText(searchEngine);
 551     }
 552     else
 553     {
 554         // Disable the custom search engine.
 555         searchEngineCustomActionPointer->setEnabled(false);
 556
 557         // Reset the custom search engine text.
 558         searchEngineCustomActionPointer->setText(i18nc("@action", "Custom"));
 559     }
 560 }
 561
 562 void BrowserWindow::updateUserAgentActions(const QString &userAgent) const
 563 {
 564     // Initialize the custom user agent flag.
 565     bool customUserAgent = false;
 566
 567     // Check the indicated on-the-fly user agent.
 568     if (userAgent == UserAgentHelper::PRIVACY_BROWSER_USER_AGENT) userAgentPrivacyBrowserActionPointer->setChecked(true);  // Privacy Browser.
 569     else if (userAgent == BrowserView::webEngineDefaultUserAgent) userAgentWebEngineDefaultActionPointer->setChecked(true);  // WebEngine default.
 570     else if (userAgent == UserAgentHelper::FIREFOX_LINUX_USER_AGENT) userAgentFirefoxLinuxActionPointer->setChecked(true);  // Firefox Linux.
 571     else if (userAgent == UserAgentHelper::CHROMIUM_LINUX_USER_AGENT) userAgentChromiumLinuxActionPointer->setChecked(true);  // Chromium Linux.
 572     else if (userAgent == UserAgentHelper::FIREFOX_WINDOWS_USER_AGENT) userAgentFirefoxWindowsActionPointer->setChecked(true);  // Firefox Windows.
 573     else if (userAgent == UserAgentHelper::CHROME_WINDOWS_USER_AGENT) userAgentChromeWindowsActionPointer->setChecked(true);  // Chrome Windows.
 574     else if (userAgent == UserAgentHelper::EDGE_WINDOWS_USER_AGENT) userAgentEdgeWindowsActionPointer->setChecked(true);  // Edge Windows.
 575     else if (userAgent == UserAgentHelper::SAFARI_MACOS_USER_AGENT) userAgentSafariMacosActionPointer->setChecked(true);  // Safara macOS.
 576     else  // Custom user agent.
 577     {
 578         // Check the user agent.
 579         userAgentCustomActionPointer->setChecked(true);
 580
 581         // Set the custom user agent flag.
 582         customUserAgent = true;
 583     }
 584
 585
 586     // Format the custom user agent.
 587     if (customUserAgent)
 588     {
 589         // Enable the custom user agent.
 590         userAgentCustomActionPointer->setEnabled(true);
 591
 592         // Set the custom user agent text.
 593         userAgentCustomActionPointer->setText(userAgent);
 594     }
 595     else
 596     {
 597         // Disable the custom user agent.
 598         userAgentCustomActionPointer->setEnabled(false);
 599
 600         // Reset the custom user agent text.
 601         userAgentCustomActionPointer->setText(i18nc("@action", "Custom"));
 602     }
 603 }
 604
 605 void BrowserWindow::updateZoomFactorAction(const double &zoomFactor)
 606 {
 607     // Set the current zoom factor.
 608     currentZoomFactor = zoomFactor;
 609
 610     // Update the zoom factor action text, formatting the double with 2 decimal places.
 611     zoomFactorActionPointer->setText(ki18nc("@action", "Zoom Factor - %1").subs(zoomFactor, 0, '0', 2).toString());
 612 }
 613
 614 void BrowserWindow::updateSearchEngineLabel(const QString &searchEngineString) const
 615 {
 616     // Update the search engine label.
 617     searchEngineLabelPointer->setText(SearchEngineHelper::getSearchUrl(searchEngineString));
 618 }
 619
 620 void BrowserWindow::updateUrlLineEdit(const QUrl &newUrl)
 621 {
 622     // Update the URL line edit if it does not have focus.
 623     if (!urlLineEditPointer->hasFocus())
 624     {
 625         // Update the URL line edit.
 626         urlLineEditPointer->setText(newUrl.toString());
 627     }
 628
 629     // Store the current URL.
 630     currentUrl = newUrl;
 631 }
 632
 633 void BrowserWindow::updateUserAgentLabel(const QString &userAgentDatabaseName) const
 634 {
 635     // Update the user agent label.
 636     userAgentLabelPointer->setText(UserAgentHelper::getUserAgentFromDatabaseName(userAgentDatabaseName));
 637 }