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Add spell checking support (issue #137).

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This includes:
- Red underline of misspelled words in html text areas.
- Right-click context menu options to correct the misspelled word.
- New CefBrowser::ReplaceMisspelling method for accepting a word replacement.
- Methods added to CefContextMenuParams for retrieving spelling-related information.
- Uses the unified text checker when auto-correct is not enabled to match Google Chrome behavior.
- On Windows and Linux a hunspell dictionary file will be downloaded to the "<cache_path>/Dictionaries" directory as needed, or used from the <cache_path> directory if the file already exists there. The dictionary file will be downloaded from http://cache.pack.google.com/edgedl/chrome/dict/<LANG>-3-0.bdic where <LANG> is the language abbreviation.
- On OS X the spell checking implementation will use the system NSSpellChecker implementation.

The following command-line flags have been added:
--disable-spell-checking => Disable spell-checking support (no red underline, no dictionary file download, etc).
--enable-spelling-auto-correct => Automatically correct common misspellings while typing (like 'omre' to 'more' on Windows/Linux or 'ehlo' to 'helo' on OS X).
--enable-spelling-service => Enable use of the remote Google spelling service (this requires Google API keys).
--override-spell-check-lang=<LANG> => Use the specified dictionary language <LANG> instead of the language specified in the locales.pak file. To see the default/supported dictionary languages: https://code.google.com/p/chromium/codesearch#search/&q=IDS_SPELLCHECK_DICTIONARY%20xtb&sq=package:chromium


git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1859 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
This commit is contained in:
Marshall Greenblatt
2014-10-07 20:44:33 +00:00
parent de3d28f9a1
commit 77aa0be191
36 changed files with 779 additions and 64 deletions
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30
include/capi/cef_context_menu_handler_capi.h
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@ -198,11 +198,41 @@ typedef struct _cef_context_menu_params_t {
cef_string_userfree_t (CEF_CALLBACK *get_selection_text)(
struct _cef_context_menu_params_t* self);
///
// Returns the text of the misspelled word, if any, that the context menu was
// invoked on.
///
// The resulting string must be freed by calling cef_string_userfree_free().
cef_string_userfree_t (CEF_CALLBACK *get_misspelled_word)(
struct _cef_context_menu_params_t* self);
///
// Returns the hash of the misspelled word, if any, that the context menu was
// invoked on.
///
int (CEF_CALLBACK *get_misspelling_hash)(
struct _cef_context_menu_params_t* self);
///
// Returns true (1) if suggestions exist, false (0) otherwise. Fills in
// |suggestions| from the spell check service for the misspelled word if there
// is one.
///
int (CEF_CALLBACK *get_dictionary_suggestions)(
struct _cef_context_menu_params_t* self, cef_string_list_t suggestions);
///
// Returns true (1) if the context menu was invoked on an editable node.
///
int (CEF_CALLBACK *is_editable)(struct _cef_context_menu_params_t* self);
///
// Returns true (1) if the context menu was invoked on an editable node where
// spell-check is enabled.
///
int (CEF_CALLBACK *is_spell_check_enabled)(
struct _cef_context_menu_params_t* self);
///
// Returns flags representing the actions supported by the editable node, if
// any, that the context menu was invoked on.