Add spell checker support

Integrate chromium spell checker:
* add spellchecker and dependencies to build
* underline misspelled words in html text areas
* right-click context menu shows up to 4 options to
  correct the misspelled word
* toggle spell check from context menu
* add new qml and widget api calls to qwebengineprofile
  to enable/disable spell check, select spell check language,
  get list of supported languages/dictionaries
* register new qml spell check properties for QtWebEngine 1.3
* CONFIG+="no_spellcheck" to remove spellcheck support

Change-Id: Ie61434ab9493597d7759a6f33794f6859c4e3a4c
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/src/webengine/api/qquickwebengineprofile.h b/src/webengine/api/qquickwebengineprofile.h
index ba0126eaa..cf4334126 100644
--- a/src/webengine/api/qquickwebengineprofile.h
+++ b/src/webengine/api/qquickwebengineprofile.h
@@ -71,6 +71,11 @@ class Q_WEBENGINE_EXPORT QQuickWebEngineProfile : public QObject {
     Q_PROPERTY(QString httpAcceptLanguage READ httpAcceptLanguage WRITE setHttpAcceptLanguage NOTIFY httpAcceptLanguageChanged FINAL REVISION 1)
     Q_PROPERTY(PersistentCookiesPolicy persistentCookiesPolicy READ persistentCookiesPolicy WRITE setPersistentCookiesPolicy NOTIFY persistentCookiesPolicyChanged FINAL)
     Q_PROPERTY(int httpCacheMaximumSize READ httpCacheMaximumSize WRITE setHttpCacheMaximumSize NOTIFY httpCacheMaximumSizeChanged FINAL)
+#if !defined(QT_NO_SPELLCHECK)
+    Q_PROPERTY(QString spellCheckLanguage READ spellCheckLanguage WRITE setSpellCheckLanguage NOTIFY spellCheckLanguageChanged REVISION 2)
+    Q_PROPERTY(bool spellCheckEnabled READ isSpellCheckEnabled WRITE setSpellCheckEnabled NOTIFY spellCheckEnabledChanged REVISION 2)
+# endif
+
 public:
     QQuickWebEngineProfile(QObject *parent = Q_NULLPTR);
     ~QQuickWebEngineProfile();
@@ -128,6 +133,14 @@ public:
 
     void clearHttpCache();
 
+#if !defined(QT_NO_SPELLCHECK)
+    Q_REVISION(2) Q_INVOKABLE QStringList spellCheckLanguages(const QStringList &acceptLanguages);
+    Q_REVISION(2) void setSpellCheckLanguage(const QString &language);
+    Q_REVISION(2) QString spellCheckLanguage() const;
+    Q_REVISION(2) void setSpellCheckEnabled(bool enabled);
+    Q_REVISION(2) bool isSpellCheckEnabled() const;
+# endif
+
     static QQuickWebEngineProfile *defaultProfile();
 
 Q_SIGNALS:
@@ -140,6 +153,10 @@ Q_SIGNALS:
     void persistentCookiesPolicyChanged();
     void httpCacheMaximumSizeChanged();
     Q_REVISION(1) void httpAcceptLanguageChanged();
+#if !defined(QT_NO_SPELLCHECK)
+    Q_REVISION(2) void spellCheckLanguageChanged();
+    Q_REVISION(2) void spellCheckEnabledChanged();
+#endif
 
     void downloadRequested(QQuickWebEngineDownloadItem *download);
     void downloadFinished(QQuickWebEngineDownloadItem *download);