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, 10 insertions, 3 deletions

diff --git a/src/core/web_contents_adapter_client.h b/src/core/web_contents_adapter_client.h
index c29abe53f..5e6335584 100644
--- a/src/core/web_contents_adapter_client.h
+++ b/src/core/web_contents_adapter_client.h
@@ -79,6 +79,10 @@ public:
         : mediaType(MediaTypeNone)
         , hasImageContent(false)
         , mediaFlags(0)
+#if defined(ENABLE_SPELLCHECK)
+        , isEditable(false)
+        , isSpellCheckerEnabled(false)
+#endif
     {
     }
 
@@ -124,11 +128,14 @@ public:
     bool hasImageContent;
     uint mediaFlags;
     QString suggestedFileName;
+#if defined(ENABLE_SPELLCHECK)
+    bool isEditable;
+    bool isSpellCheckerEnabled;
+    QString misspelledWord;
+    QStringList spellCheckerSuggestions;
+#endif
 // Some likely candidates for future additions as we add support for the related actions:
 //    bool isImageBlocked;
-//    bool isEditable;
-//    bool isSpellCheckingEnabled;
-//    QStringList spellCheckingSuggestions;
 //    <enum tbd> mediaType;
 //    ...
 };