namespace
{
-#if defined(DEBUG_ENABLED)
-Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, false, "LOG_IMF_MANAGER");
-#endif
-
-// Currently this code is internal to dali/dali/internal/event/text/utf8.h but should be made Public and used from there instead.
-size_t Utf8SequenceLength(const unsigned char leadByte)
-{
- size_t length = 0;
-
- if ((leadByte & 0x80) == 0 ) //ASCII character (lead bit zero)
- {
- length = 1;
- }
- else if (( leadByte & 0xe0 ) == 0xc0 ) //110x xxxx
- {
- length = 2;
- }
- else if (( leadByte & 0xf0 ) == 0xe0 ) //1110 xxxx
- {
- length = 3;
- }
- else if (( leadByte & 0xf8 ) == 0xf0 ) //1111 0xxx
- {
- length = 4;
- }
-
- return length;
-}
-
-// Static function calls used by ecore 'c' style callback registration
-void Commit( void *data, Ecore_IMF_Context *imfContext, void *event_info )
-{
- if ( data )
- {
- ImfManager* imfManager = reinterpret_cast< ImfManager* > ( data );
- imfManager->CommitReceived( data, imfContext, event_info );
- }
-}
-
-void PreEdit( void *data, Ecore_IMF_Context *imfContext, void *event_info )
+BaseHandle Create()
{
- if ( data )
- {
- ImfManager* imfManager = reinterpret_cast< ImfManager* > ( data );
- imfManager->PreEditChanged( data, imfContext, event_info );
- }
+ return ImfManager::Get();
}
-Eina_Bool ImfRetrieveSurrounding(void *data, Ecore_IMF_Context *imfContext, char** text, int* cursorPosition )
-{
- if ( data )
- {
- ImfManager* imfManager = reinterpret_cast< ImfManager* > ( data );
- return imfManager->RetrieveSurrounding( data, imfContext, text, cursorPosition );
- }
- else
- {
- return false;
- }
-}
+TypeRegistration IMF_MANAGER_TYPE( typeid(Dali::ImfManager), typeid(Dali::BaseHandle), Create );
-/**
- * Called when an IMF delete surrounding event is received.
- * Here we tell the application that it should delete a certain range.
- */
-void ImfDeleteSurrounding( void *data, Ecore_IMF_Context *imfContext, void *event_info )
-{
- if ( data )
- {
- ImfManager* imfManager = reinterpret_cast< ImfManager* > ( data );
- imfManager->DeleteSurrounding( data, imfContext, event_info );
- }
-}
+} // unnamed namespace
-BaseHandle Create()
+bool ImfManager::IsAvailable()
{
- BaseHandle handle( ImfManager::Get() );
-
- return handle;
+ return false;
}
-TypeRegistration IMF_MANAGER_TYPE( typeid(Dali::ImfManager), typeid(Dali::BaseHandle), Create, true /* Create Instance At Startup */ );
-
-} // unnamed namespace
-
Dali::ImfManager ImfManager::Get()
{
- Dali::ImfManager manager;
-
- Dali::SingletonService service( SingletonService::Get() );
- if ( service )
- {
- // Check whether the singleton is already created
- Dali::BaseHandle handle = service.GetSingleton( typeid( Dali::ImfManager ) );
- if(handle)
- {
- // If so, downcast the handle
- manager = Dali::ImfManager( dynamic_cast< ImfManager* >( handle.GetObjectPtr() ) );
- }
- }
-
- return manager;
+ // Return empty handle as not supported
+ return Dali::ImfManager();
}
ImfManager::~ImfManager()
{
- VirtualKeyboard::DisconnectCallbacks( mIMFContext );
- DisconnectCallbacks();
-
- DeleteContext();
- ecore_imf_shutdown();
}
void ImfManager::DeleteContext()
{
- DALI_LOG_INFO( gLogFilter, Debug::General, "ImfManager::DeleteContext\n" );
-
- if ( mIMFContext )
- {
- mIMFContext = NULL;
- }
}
-// Callbacks for predicitive text support.
void ImfManager::ConnectCallbacks()
{
- if ( mIMFContext )
- {
- DALI_LOG_INFO( gLogFilter, Debug::General, "ImfManager::ConnectCallbacks\n" );
-
- ecore_imf_context_event_callback_add( mIMFContext, ECORE_IMF_CALLBACK_PREEDIT_CHANGED, PreEdit, this );
- ecore_imf_context_event_callback_add( mIMFContext, ECORE_IMF_CALLBACK_COMMIT, Commit, this );
- ecore_imf_context_event_callback_add( mIMFContext, ECORE_IMF_CALLBACK_DELETE_SURROUNDING, ImfDeleteSurrounding, this );
-
- ecore_imf_context_retrieve_surrounding_callback_set( mIMFContext, ImfRetrieveSurrounding, this);
- }
}
void ImfManager::DisconnectCallbacks()
{
- if ( mIMFContext )
- {
- DALI_LOG_INFO( gLogFilter, Debug::General, "ImfManager::DisconnectCallbacks\n" );
-
- ecore_imf_context_event_callback_del( mIMFContext, ECORE_IMF_CALLBACK_PREEDIT_CHANGED, PreEdit );
- ecore_imf_context_event_callback_del( mIMFContext, ECORE_IMF_CALLBACK_COMMIT, Commit );
- ecore_imf_context_event_callback_del( mIMFContext, ECORE_IMF_CALLBACK_DELETE_SURROUNDING, ImfDeleteSurrounding );
-
- // We do not need to unset the retrieve surrounding callback.
- }
}
void ImfManager::Activate()
{
- // Reset mIdleCallbackConnected
- mIdleCallbackConnected = false;
-
- if ( mIMFContext )
- {
- DALI_LOG_INFO( gLogFilter, Debug::General, "ImfManager::Activate\n" );
-
- ecore_imf_context_focus_in( mIMFContext );
-
- // emit keyboard activated signal
- Dali::ImfManager handle( this );
- mActivatedSignalV2.Emit( handle );
- }
}
void ImfManager::Deactivate()
{
- if( mIMFContext )
- {
- DALI_LOG_INFO( gLogFilter, Debug::General, "ImfManager::Deactivate\n" );
-
- Reset();
- ecore_imf_context_focus_out( mIMFContext );
- }
-
- // Reset mIdleCallbackConnected
- mIdleCallbackConnected = false;
}
void ImfManager::Reset()
{
- DALI_LOG_INFO( gLogFilter, Debug::General, "ImfManager::Reset\n" );
-
- if ( mIMFContext )
- {
- ecore_imf_context_reset( mIMFContext );
- }
}
Ecore_IMF_Context* ImfManager::GetContext()
{
- DALI_LOG_INFO( gLogFilter, Debug::General, "ImfManager::GetContext\n" );
-
return mIMFContext;
}
mRestoreAfterFocusLost = toggle;
}
-/**
- * Called when an IMF Pre-Edit changed event is received.
- * We are still predicting what the user is typing. The latest string is what the IMF module thinks
- * the user wants to type.
- */
void ImfManager::PreEditChanged( void *, Ecore_IMF_Context *imfContext, void *event_info )
{
- DALI_LOG_INFO( gLogFilter, Debug::General, "ImfManager::PreEditChanged\n" );
-
- char *preEditString( NULL );
- int cursorPosition( 0 );
- Eina_List *attrs = NULL;
- Eina_List *l = NULL;
-
- Ecore_IMF_Preedit_Attr *attr;
-
- // Retrieves attributes as well as the string the cursor position offset from start of pre-edit string.
- // the attributes (attrs) is used in languages that use the soft arrows keys to insert characters into a current pre-edit string.
- ecore_imf_context_preedit_string_with_attributes_get( imfContext, &preEditString, &attrs, &cursorPosition );
-
- if ( attrs )
- {
- // iterate through the list of attributes getting the type, start and end position.
- for ( l = attrs, (attr = (Ecore_IMF_Preedit_Attr*)eina_list_data_get(l) ); l; l = eina_list_next(l), ( attr = (Ecore_IMF_Preedit_Attr*)eina_list_data_get(l) ))
- {
- if ( attr->preedit_type == ECORE_IMF_PREEDIT_TYPE_SUB4 ) // (Ecore_IMF)
- {
- // check first byte so know how many bytes a character is represented by as keyboard returns cursor position in bytes. Which is different for some languages.
-
- size_t visualCharacterIndex = 0;
- size_t byteIndex = 0;
-
- // iterate through null terminated string checking each character's position against the given byte position ( attr->end_index ).
- while ( preEditString[byteIndex] != '\0' )
- {
- // attr->end_index is provided as a byte position not character and we need to know the character position.
- size_t currentSequenceLength = Utf8SequenceLength(preEditString[byteIndex]); // returns number of bytes used to represent character.
- if ( byteIndex == attr->end_index )
- {
- cursorPosition = visualCharacterIndex;
- break;
- // end loop as found cursor position that matches byte position
- }
- else
- {
- byteIndex += currentSequenceLength; // jump to next character
- visualCharacterIndex++; // increment character count so we know our position for when we get a match
- }
-
- DALI_ASSERT_DEBUG( visualCharacterIndex < strlen( preEditString ));
- }
- }
- }
- }
-
- if ( Dali::Adaptor::IsAvailable() )
- {
- std::string keyString ( preEditString );
- int numberOfChars( 0 );
-
- Dali::ImfManager handle( this );
- Dali::ImfManager::ImfEventData imfEventData ( Dali::ImfManager::PREEDIT, keyString, cursorPosition, numberOfChars );
- Dali::ImfManager::ImfCallbackData callbackData = mEventSignalV2.Emit( handle, imfEventData );
-
- if ( callbackData.update )
- {
- SetCursorPosition( callbackData.cursorPosition );
- SetSurroundingText( callbackData.currentText );
-
- NotifyCursorPosition();
- }
-
- if ( callbackData.preeditResetRequired )
- {
- Reset();
- }
- }
- free( preEditString );
}
void ImfManager::CommitReceived( void *, Ecore_IMF_Context *imfContext, void *event_info )
{
- DALI_LOG_INFO( gLogFilter, Debug::General, "ImfManager::CommitReceived\n" );
-
- if ( Dali::Adaptor::IsAvailable() )
- {
- const std::string keyString( (char *)event_info );
- const int cursorOffset( 0 );
- const int numberOfChars( 0 );
-
- Dali::ImfManager handle( this );
- Dali::ImfManager::ImfEventData imfEventData ( Dali::ImfManager::COMMIT, keyString, cursorOffset, numberOfChars );
- Dali::ImfManager::ImfCallbackData callbackData = mEventSignalV2.Emit( handle, imfEventData );
-
- if ( callbackData.update )
- {
- SetCursorPosition( callbackData.cursorPosition );
- SetSurroundingText( callbackData.currentText );
-
- NotifyCursorPosition();
- }
- }
}
-/**
- * Called when an IMF retrieve surround event is received.
- * Here the IMF module wishes to know the string we are working with and where within the string the cursor is
- * We need to signal the application to tell us this information.
- */
Eina_Bool ImfManager::RetrieveSurrounding( void *data, Ecore_IMF_Context *imfContext, char** text, int* cursorPosition )
{
- DALI_LOG_INFO( gLogFilter, Debug::General, "ImfManager::RetrieveSurrounding\n" );
-
- std::string keyString ( "" );
- int cursorOffset( 0 );
- int numberOfChars( 0 );
-
- Dali::ImfManager::ImfEventData imfData ( Dali::ImfManager::GETSURROUNDING , keyString, cursorOffset, numberOfChars );
- Dali::ImfManager handle( this );
- mEventSignalV2.Emit( handle, imfData );
-
- if ( text )
- {
- std::string surroundingText( GetSurroundingText() );
-
- if ( !surroundingText.empty() )
- {
- *text = strdup( surroundingText.c_str() );
- }
- else
- {
- *text = strdup( "" );
- }
- }
-
- if ( cursorPosition )
- {
- *cursorPosition = GetCursorPosition();
- }
-
-
return EINA_TRUE;
}
-/**
- * Called when an IMF delete surrounding event is received.
- * Here we tell the application that it should delete a certain range.
- */
void ImfManager::DeleteSurrounding( void *data, Ecore_IMF_Context *imfContext, void *event_info )
{
- DALI_LOG_INFO( gLogFilter, Debug::General, "ImfManager::DeleteSurrounding\n" );
-
- if ( Dali::Adaptor::IsAvailable() )
- {
- Ecore_IMF_Event_Delete_Surrounding* deleteSurroundingEvent = (Ecore_IMF_Event_Delete_Surrounding*) event_info;
-
- const std::string keyString( "" );
- const int cursorOffset( deleteSurroundingEvent->offset );
- const int numberOfChars( deleteSurroundingEvent->n_chars );
-
- Dali::ImfManager::ImfEventData imfData ( Dali::ImfManager::DELETESURROUNDING , keyString, cursorOffset, numberOfChars );
- Dali::ImfManager handle( this );
- mEventSignalV2.Emit( handle, imfData );
- }
}
void ImfManager::NotifyCursorPosition()
{
- DALI_LOG_INFO( gLogFilter, Debug::General, "ImfManager::NotifyCursorPosition\n" );
-
- if ( mIMFContext )
- {
- ecore_imf_context_cursor_position_set( mIMFContext, mIMFCursorPosition );
- }
}
int ImfManager::GetCursorPosition()
{
- DALI_LOG_INFO( gLogFilter, Debug::General, "ImfManager::GetCursorPosition\n" );
-
return mIMFCursorPosition;
}
void ImfManager::SetCursorPosition( unsigned int cursorPosition )
{
- DALI_LOG_INFO( gLogFilter, Debug::General, "ImfManager::SetCursorPosition\n" );
-
mIMFCursorPosition = ( int )cursorPosition;
}
void ImfManager::SetSurroundingText( std::string text )
{
- DALI_LOG_INFO( gLogFilter, Debug::General, "ImfManager::SetSurroundingText\n" );
-
mSurroundingText = text;
}
std::string ImfManager::GetSurroundingText()
{
- DALI_LOG_INFO( gLogFilter, Debug::General, "ImfManager::GetSurroundingText\n" );
-
return mSurroundingText;
}
projects / platform / core / uifw / dali-adaptor.git / blobdiff