New "find" dialog for web browser.

src/gui/searchtextwidget.cpp

@@ -2,6 +2,55 @@
 
 #include "gui/searchtextwidget.h"
 
+#include "miscellaneous/application.h"
+#include "miscellaneous/iconfactory.h"
+
 SearchTextWidget::SearchTextWidget(QWidget* parent) : QWidget(parent) {
   m_ui.setupUi(this);
+  setFocusProxy(m_ui.m_txtSearch);
+
+  m_ui.m_btnClear->setIcon(qApp->icons()->fromTheme(QSL("edit-clear")));
+  m_ui.m_btnSearchBackward->setIcon(qApp->icons()->fromTheme(QSL("back")));
+  m_ui.m_btnSearchForward->setIcon(qApp->icons()->fromTheme(QSL("forward")));
+
+  connect(m_ui.m_btnClear, &QToolButton::clicked, m_ui.m_txtSearch, &QLineEdit::clear);
+  connect(m_ui.m_txtSearch, &BaseLineEdit::textChanged, this, &SearchTextWidget::onTextChanged);
+  connect(m_ui.m_txtSearch, &BaseLineEdit::submitted, [this]() {
+    emit searchForText(m_ui.m_txtSearch->text(), false);
+  });
+  connect(m_ui.m_btnSearchForward, &QToolButton::clicked, [this]() {
+    emit searchForText(m_ui.m_txtSearch->text(), false);
+  });
+  connect(m_ui.m_btnSearchBackward, &QToolButton::clicked, [this]() {
+    emit searchForText(m_ui.m_txtSearch->text(), true);
+  });
+}
+
+void SearchTextWidget::clear() {
+  m_ui.m_txtSearch->clear();
+}
+
+void SearchTextWidget::onTextChanged(const QString& text) {
+  m_ui.m_btnSearchBackward->setDisabled(text.isEmpty());
+  m_ui.m_btnSearchForward->setDisabled(text.isEmpty());
+  m_ui.m_btnClear->setDisabled(text.isEmpty());
+
+  if (!text.isEmpty()) {
+    emit searchForText(text, false);
+  }
+  else {
+    emit cancelSearch();
+  }
+}
+
+void SearchTextWidget::keyPressEvent(QKeyEvent* event) {
+  if (event->key() == Qt::Key::Key_Escape) {
+    emit cancelSearch();
+
+    hide();
+  }
+}
+
+void SearchTextWidget::focusInEvent(QFocusEvent* event) {
+  QWidget::focusInEvent(event);
 }

src/gui/searchtextwidget.h

@@ -17,6 +17,20 @@ class SearchTextWidget : public QWidget {
   public:
     explicit SearchTextWidget(QWidget* parent = nullptr);
 
+  public slots:
+    void clear();
+
+  private slots:
+    void onTextChanged(const QString& text);
+
+  protected:
+    void keyPressEvent(QKeyEvent* event);
+    void focusInEvent(QFocusEvent* event);
+
+  signals:
+    void searchForText(QString text, bool search_backwards);
+    void cancelSearch();
+
   private:
     Ui::SearchTextWidget m_ui;
 };

src/gui/searchtextwidget.ui

@@ -6,32 +6,58 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>370</width>
+    <width>461</width>
-    <height>27</height>
+    <height>25</height>
    </rect>
   </property>
-  <layout class="QHBoxLayout" name="horizontalLayout">
+  <layout class="QHBoxLayout">
+   <property name="spacing">
+    <number>3</number>
+   </property>
    <property name="leftMargin">
-    <number>0</number>
+    <number>3</number>
    </property>
    <property name="topMargin">
-    <number>0</number>
+    <number>3</number>
    </property>
    <property name="rightMargin">
-    <number>0</number>
+    <number>3</number>
    </property>
    <property name="bottomMargin">
-    <number>0</number>
+    <number>3</number>
    </property>
    <item>
-    <widget class="QLineEdit" name="m_txtSearch">
+    <widget class="QToolButton" name="m_btnClear">
+     <property name="toolTip">
+      <string>Clear searched phrase</string>
+     </property>
+     <property name="text">
+      <string/>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="BaseLineEdit" name="m_txtSearch">
      <property name="placeholderText">
       <string>Seach text</string>
      </property>
     </widget>
    </item>
    <item>
-    <widget class="QToolButton" name="m_btnClear">
+    <widget class="QToolButton" name="m_btnSearchBackward">
+     <property name="toolTip">
+      <string>Find previous occurence</string>
+     </property>
+     <property name="text">
+      <string/>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QToolButton" name="m_btnSearchForward">
+     <property name="toolTip">
+      <string>Find next occurence</string>
+     </property>
      <property name="text">
       <string/>
      </property>
@@ -52,9 +78,18 @@
    </item>
   </layout>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>BaseLineEdit</class>
+   <extends>QLineEdit</extends>
+   <header>baselineedit.h</header>
+  </customwidget>
+ </customwidgets>
  <tabstops>
-  <tabstop>m_txtSearch</tabstop>
   <tabstop>m_btnClear</tabstop>
+  <tabstop>m_txtSearch</tabstop>
+  <tabstop>m_btnSearchBackward</tabstop>
+  <tabstop>m_btnSearchForward</tabstop>
  </tabstops>
  <resources/>
  <connections/>

src/gui/webbrowser.cpp

@@ -5,6 +5,7 @@
 #include "gui/discoverfeedsbutton.h"
 #include "gui/locationlineedit.h"
 #include "gui/messagebox.h"
+#include "gui/searchtextwidget.h"
 #include "gui/webviewer.h"
 #include "miscellaneous/application.h"
 #include "miscellaneous/databasequeries.h"
@@ -18,7 +19,43 @@
 #include <QWebEngineSettings>
 #include <QWidgetAction>
 
+WebBrowser::WebBrowser(QWidget* parent) : TabContent(parent),
+  m_layout(new QVBoxLayout(this)),
+  m_toolBar(new QToolBar(tr("Navigation panel"), this)),
+  m_webView(new WebViewer(this)),
+  m_searchWidget(new SearchTextWidget(this)),
+  m_txtLocation(new LocationLineEdit(this)),
+  m_btnDiscoverFeeds(new DiscoverFeedsButton(this)),
+  m_actionBack(m_webView->pageAction(QWebEnginePage::Back)),
+  m_actionForward(m_webView->pageAction(QWebEnginePage::Forward)),
+  m_actionReload(m_webView->pageAction(QWebEnginePage::Reload)),
+  m_actionStop(m_webView->pageAction(QWebEnginePage::Stop)) {
+  // Initialize the components and layout.
+  initializeLayout();
+  setFocusProxy(m_txtLocation);
+  setTabOrder(m_txtLocation, m_toolBar);
+  setTabOrder(m_toolBar, m_webView);
+  createConnections();
+  reloadFontSettings();
+}
+
 void WebBrowser::createConnections() {
+  installEventFilter(this);
+
+  connect(m_searchWidget, &SearchTextWidget::cancelSearch, this, [this]() {
+    m_webView->findText(QString());
+  });
+  connect(m_searchWidget, &SearchTextWidget::searchForText, this, [this](const QString& text, bool backwards) {
+    if (backwards) {
+      m_webView->findText(text, QWebEnginePage::FindBackward);
+    }
+    else {
+      m_webView->findText(text);
+    }
+
+    m_searchWidget->setFocus();
+  });
+
   connect(m_webView, &WebViewer::messageStatusChangeRequested, this, &WebBrowser::receiveMessageStatusChangeRequest);
   connect(m_txtLocation, &LocationLineEdit::submitted,
           this, static_cast<void (WebBrowser::*)(const QString&)>(&WebBrowser::loadUrl));
@@ -37,9 +74,7 @@ void WebBrowser::createConnections() {
 }
 
 void WebBrowser::updateUrl(const QUrl& url) {
-  QString url_string = url.toString();
+  m_txtLocation->setText(url.toString());
-
-  m_txtLocation->setText(url_string);
 
   //setNavigationBarVisible(url_string != INTERNAL_URL_EMPTY && url_string != INTERNAL_URL_NEWSPAPER);
 }
@@ -50,25 +85,6 @@ void WebBrowser::loadUrl(const QUrl& url) {
   }
 }
 
-WebBrowser::WebBrowser(QWidget* parent) : TabContent(parent),
-  m_layout(new QVBoxLayout(this)),
-  m_toolBar(new QToolBar(tr("Navigation panel"), this)),
-  m_webView(new WebViewer(this)),
-  m_txtLocation(new LocationLineEdit(this)),
-  m_btnDiscoverFeeds(new DiscoverFeedsButton(this)),
-  m_actionBack(m_webView->pageAction(QWebEnginePage::Back)),
-  m_actionForward(m_webView->pageAction(QWebEnginePage::Forward)),
-  m_actionReload(m_webView->pageAction(QWebEnginePage::Reload)),
-  m_actionStop(m_webView->pageAction(QWebEnginePage::Stop)) {
-  // Initialize the components and layout.
-  initializeLayout();
-  setFocusProxy(m_txtLocation);
-  setTabOrder(m_txtLocation, m_toolBar);
-  setTabOrder(m_toolBar, m_webView);
-  createConnections();
-  reloadFontSettings();
-}
-
 WebBrowser::~WebBrowser() {
   // Delete members. Do not use scoped pointers here.
   delete m_layout;
@@ -119,6 +135,21 @@ void WebBrowser::loadMessage(const Message& message, RootItem* root) {
   loadMessages(QList<Message>() << message, root);
 }
 
+bool WebBrowser::eventFilter(QObject* watched, QEvent* event) {
+  if (event->type() == QEvent::KeyPress) {
+    QKeyEvent* key_event = static_cast<QKeyEvent*>(event);
+
+    if (key_event->matches(QKeySequence::StandardKey::Find)) {
+      m_searchWidget->clear();
+      m_searchWidget->show();
+      m_searchWidget->setFocus();
+      return true;
+    }
+  }
+
+  return false;
+}
+
 void WebBrowser::receiveMessageStatusChangeRequest(int message_id, WebPage::MessageStatusChange change) {
   switch (change) {
     case WebPage::MarkRead:
@@ -192,8 +223,11 @@ void WebBrowser::initializeLayout() {
   m_layout->addWidget(m_toolBar);
   m_layout->addWidget(m_webView);
   m_layout->addWidget(m_loadingProgress);
+  m_layout->addWidget(m_searchWidget);
   m_layout->setMargin(0);
   m_layout->setSpacing(0);
+
+  m_searchWidget->hide();
 }
 
 void WebBrowser::onLoadingStarted() {

src/gui/webbrowser.h

@@ -22,12 +22,13 @@ class TabWidget;
 class WebViewer;
 class LocationLineEdit;
 class DiscoverFeedsButton;
+class SearchTextWidget;
 
 class WebBrowser : public TabContent {
   Q_OBJECT
 
   public:
-    explicit WebBrowser(QWidget* parent = 0);
+    explicit WebBrowser(QWidget* parent = nullptr);
     virtual ~WebBrowser();
 
     WebBrowser* webBrowser() const {
@@ -56,6 +57,9 @@ class WebBrowser : public TabContent {
       m_toolBar->setVisible(visible);
     }
 
+  protected:
+    bool eventFilter(QObject* watched, QEvent* event);
+
   private slots:
     void updateUrl(const QUrl& url);
 
@@ -88,6 +92,7 @@ class WebBrowser : public TabContent {
     QVBoxLayout* m_layout;
     QToolBar* m_toolBar;
     WebViewer* m_webView;
+    SearchTextWidget* m_searchWidget;
     LocationLineEdit* m_txtLocation;
     DiscoverFeedsButton* m_btnDiscoverFeeds;
     QProgressBar* m_loadingProgress;

src/services/gmail/gmailserviceroot.cpp

@@ -149,7 +149,7 @@ bool GmailServiceRoot::editViaGui() {
 }
 
 bool GmailServiceRoot::supportsFeedAdding() const {
-  return true;
+  return false;
 }
 
 bool GmailServiceRoot::supportsCategoryAdding() const {

src/services/inoreader/inoreaderserviceroot.cpp

@@ -109,7 +109,7 @@ bool InoreaderServiceRoot::editViaGui() {
 }
 
 bool InoreaderServiceRoot::supportsFeedAdding() const {
-  return true;
+  return false;
 }
 
 bool InoreaderServiceRoot::supportsCategoryAdding() const {