#include <dali/integration-api/debug.h>
// INTERNAL INCLUDES
-#include <dali-toolkit/internal/text/character-set-conversion.h>
-#include <dali-toolkit/internal/text/layouts/layout-parameters.h>
-#include <dali-toolkit/internal/text/markup-processor.h>
#include <dali-toolkit/internal/text/text-controller-event-handler.h>
#include <dali-toolkit/internal/text/text-controller-impl.h>
#include <dali-toolkit/internal/text/text-controller-input-font-handler.h>
#include <dali-toolkit/internal/text/text-controller-placeholder-handler.h>
+#include <dali-toolkit/internal/text/text-controller-relayouter.h>
+#include <dali-toolkit/internal/text/text-controller-text-updater.h>
#include <dali-toolkit/internal/text/text-editable-control-interface.h>
namespace
Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS");
#endif
-const float MAX_FLOAT = std::numeric_limits<float>::max();
+constexpr float MAX_FLOAT = std::numeric_limits<float>::max();
const std::string EMPTY_STRING("");
-float ConvertToEven( float value )
-{
- int intValue(static_cast<int>( value ));
- return static_cast<float>( intValue + ( intValue & 1 ) );
-}
-
int ConvertPixelToPint( float pixel )
{
unsigned int horizontalDpi = 0u;
void Controller::SetText( const std::string& text )
{
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SetText\n" );
-
- // Reset keyboard as text changed
- mImpl->ResetInputMethodContext();
-
- // Remove the previously set text and style.
- ResetText();
-
- // Remove the style.
- ClearStyleData();
-
- CharacterIndex lastCursorIndex = 0u;
-
- if( NULL != mImpl->mEventData )
- {
- // If popup shown then hide it by switching to Editing state
- if( ( EventData::SELECTING == mImpl->mEventData->mState ) ||
- ( EventData::EDITING_WITH_POPUP == mImpl->mEventData->mState ) ||
- ( EventData::EDITING_WITH_GRAB_HANDLE == mImpl->mEventData->mState ) ||
- ( EventData::EDITING_WITH_PASTE_POPUP == mImpl->mEventData->mState ) )
- {
- mImpl->ChangeState( EventData::EDITING );
- }
- }
-
- if( !text.empty() )
- {
- mImpl->mModel->mVisualModel->SetTextColor( mImpl->mTextColor );
-
- MarkupProcessData markupProcessData( mImpl->mModel->mLogicalModel->mColorRuns,
- mImpl->mModel->mLogicalModel->mFontDescriptionRuns,
- mImpl->mModel->mLogicalModel->mEmbeddedItems );
-
- Length textSize = 0u;
- const uint8_t* utf8 = NULL;
- if( mImpl->mMarkupProcessorEnabled )
- {
- ProcessMarkupString( text, markupProcessData );
- textSize = markupProcessData.markupProcessedText.size();
-
- // This is a bit horrible but std::string returns a (signed) char*
- utf8 = reinterpret_cast<const uint8_t*>( markupProcessData.markupProcessedText.c_str() );
- }
- else
- {
- textSize = text.size();
-
- // This is a bit horrible but std::string returns a (signed) char*
- utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
- }
-
- // Convert text into UTF-32
- Vector<Character>& utf32Characters = mImpl->mModel->mLogicalModel->mText;
- utf32Characters.Resize( textSize );
-
- // Transform a text array encoded in utf8 into an array encoded in utf32.
- // It returns the actual number of characters.
- Length characterCount = Utf8ToUtf32( utf8, textSize, utf32Characters.Begin() );
- utf32Characters.Resize( characterCount );
-
- DALI_ASSERT_DEBUG( textSize >= characterCount && "Invalid UTF32 conversion length" );
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SetText %p UTF8 size %d, UTF32 size %d\n", this, textSize, mImpl->mModel->mLogicalModel->mText.Count() );
-
- // The characters to be added.
- mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mModel->mLogicalModel->mText.Count();
-
- // To reset the cursor position
- lastCursorIndex = characterCount;
-
- // Update the rest of the model during size negotiation
- mImpl->QueueModifyEvent( ModifyEvent::TEXT_REPLACED );
-
- // The natural size needs to be re-calculated.
- mImpl->mRecalculateNaturalSize = true;
-
- // The text direction needs to be updated.
- mImpl->mUpdateTextDirection = true;
-
- // Apply modifications to the model
- mImpl->mOperationsPending = ALL_OPERATIONS;
- }
- else
- {
- ShowPlaceholderText();
- }
-
- // Resets the cursor position.
- ResetCursorPosition( lastCursorIndex );
-
- // Scrolls the text to make the cursor visible.
- ResetScrollPosition();
-
- mImpl->RequestRelayout();
-
- if( NULL != mImpl->mEventData )
- {
- // Cancel previously queued events
- mImpl->mEventData->mEventQueue.clear();
- }
-
- // Do this last since it provides callbacks into application code.
- if( NULL != mImpl->mEditableControlInterface )
- {
- mImpl->mEditableControlInterface->TextChanged();
- }
+ TextUpdater::SetText(*this, text);
}
void Controller::GetText( std::string& text ) const
return PlaceholderHandler::GetPlaceholderTextFontSlant(*this);
}
+void Controller::SetFontSizeScale( float scale )
+{
+ mImpl->mFontSizeScale = scale;
+
+ if( mImpl->mEventData )
+ {
+ // Update the cursor position if it's in editing mode
+ if( EventData::IsEditingState( mImpl->mEventData->mState ) )
+ {
+ mImpl->mEventData->mDecoratorUpdated = true;
+ mImpl->mEventData->mUpdateCursorPosition = true; // Cursor position should be updated when the font size is updated.
+ }
+ }
+
+ // Clear the font-specific data
+ ClearFontData();
+
+ mImpl->RequestRelayout();
+}
+
+float Controller::GetFontSizeScale() const
+{
+ if( nullptr != mImpl->mFontDefaults )
+ {
+ return mImpl->mFontSizeScale;
+ }
+
+ return 1.f;
+}
+
void Controller::SetDefaultFontSize( float fontSize, FontSizeType type )
{
if( NULL == mImpl->mFontDefaults )
Vector3 Controller::GetNaturalSize()
{
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetNaturalSize\n" );
- Vector3 naturalSize;
-
- // Make sure the model is up-to-date before layouting
- ProcessModifyEvents();
-
- if( mImpl->mRecalculateNaturalSize )
- {
- // Operations that can be done only once until the text changes.
- const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
- GET_SCRIPTS |
- VALIDATE_FONTS |
- GET_LINE_BREAKS |
- BIDI_INFO |
- SHAPE_TEXT |
- GET_GLYPH_METRICS );
-
- // Set the update info to relayout the whole text.
- mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u;
- mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mModel->mLogicalModel->mText.Count();
-
- // Make sure the model is up-to-date before layouting
- mImpl->UpdateModel( onlyOnceOperations );
-
- // Layout the text for the new width.
- mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | LAYOUT | REORDER );
-
- // Store the actual control's size to restore later.
- const Size actualControlSize = mImpl->mModel->mVisualModel->mControlSize;
-
- DoRelayout( Size( MAX_FLOAT, MAX_FLOAT ),
- static_cast<OperationsMask>( onlyOnceOperations |
- LAYOUT | REORDER ),
- naturalSize.GetVectorXY() );
-
- // Do not do again the only once operations.
- mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending & ~onlyOnceOperations );
-
- // Do the size related operations again.
- const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
- ALIGN |
- REORDER );
- mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | sizeOperations );
-
- // Stores the natural size to avoid recalculate it again
- // unless the text/style changes.
- mImpl->mModel->mVisualModel->SetNaturalSize( naturalSize.GetVectorXY() );
-
- mImpl->mRecalculateNaturalSize = false;
-
- // Clear the update info. This info will be set the next time the text is updated.
- mImpl->mTextUpdateInfo.Clear();
- mImpl->mTextUpdateInfo.mClearAll = true;
-
- // Restore the actual control's size.
- mImpl->mModel->mVisualModel->mControlSize = actualControlSize;
-
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize calculated %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z );
- }
- else
- {
- naturalSize = mImpl->mModel->mVisualModel->GetNaturalSize();
-
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetNaturalSize cached %f,%f,%f\n", naturalSize.x, naturalSize.y, naturalSize.z );
- }
-
- naturalSize.x = ConvertToEven( naturalSize.x );
- naturalSize.y = ConvertToEven( naturalSize.y );
-
- return naturalSize;
+ return Relayouter::GetNaturalSize(*this);
}
bool Controller::CheckForTextFit( float pointSize, Size& layoutSize )
{
- Size textSize;
- mImpl->mFontDefaults->mFitPointSize = pointSize;
- mImpl->mFontDefaults->sizeDefined = true;
- ClearFontData();
-
- // Operations that can be done only once until the text changes.
- const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
- GET_SCRIPTS |
- VALIDATE_FONTS |
- GET_LINE_BREAKS |
- BIDI_INFO |
- SHAPE_TEXT|
- GET_GLYPH_METRICS );
-
- mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u;
- mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mModel->mLogicalModel->mText.Count();
-
- // Make sure the model is up-to-date before layouting
- mImpl->UpdateModel( onlyOnceOperations );
-
- DoRelayout( Size( layoutSize.width, MAX_FLOAT ),
- static_cast<OperationsMask>( onlyOnceOperations | LAYOUT),
- textSize);
-
- // Clear the update info. This info will be set the next time the text is updated.
- mImpl->mTextUpdateInfo.Clear();
- mImpl->mTextUpdateInfo.mClearAll = true;
-
- if( textSize.width > layoutSize.width || textSize.height > layoutSize.height )
- {
- return false;
- }
- return true;
+ return Relayouter::CheckForTextFit(*this, pointSize, layoutSize);
}
void Controller::FitPointSizeforLayout( Size layoutSize )
{
- const OperationsMask operations = mImpl->mOperationsPending;
- if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) || mImpl->mTextFitContentSize != layoutSize )
- {
- bool actualellipsis = mImpl->mModel->mElideEnabled;
- float minPointSize = mImpl->mTextFitMinSize;
- float maxPointSize = mImpl->mTextFitMaxSize;
- float pointInterval = mImpl->mTextFitStepSize;
-
- mImpl->mModel->mElideEnabled = false;
- Vector<float> pointSizeArray;
-
- // check zero value
- if( pointInterval < 1.f )
- {
- mImpl->mTextFitStepSize = pointInterval = 1.0f;
- }
-
- pointSizeArray.Reserve( static_cast< unsigned int >( ceil( ( maxPointSize - minPointSize ) / pointInterval ) ) );
-
- for( float i = minPointSize; i < maxPointSize; i += pointInterval )
- {
- pointSizeArray.PushBack( i );
- }
-
- pointSizeArray.PushBack( maxPointSize );
-
- int bestSizeIndex = 0;
- int min = bestSizeIndex + 1;
- int max = pointSizeArray.Size() - 1;
- while( min <= max )
- {
- int destI = ( min + max ) / 2;
-
- if( CheckForTextFit( pointSizeArray[destI], layoutSize ) )
- {
- bestSizeIndex = min;
- min = destI + 1;
- }
- else
- {
- max = destI - 1;
- bestSizeIndex = max;
- }
- }
-
- mImpl->mModel->mElideEnabled = actualellipsis;
- mImpl->mFontDefaults->mFitPointSize = pointSizeArray[bestSizeIndex];
- mImpl->mFontDefaults->sizeDefined = true;
- ClearFontData();
- }
+ Relayouter::FitPointSizeforLayout(*this, layoutSize);
}
float Controller::GetHeightForWidth( float width )
{
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::GetHeightForWidth %p width %f\n", this, width );
- // Make sure the model is up-to-date before layouting
- ProcessModifyEvents();
-
- Size layoutSize;
- if( fabsf( width - mImpl->mModel->mVisualModel->mControlSize.width ) > Math::MACHINE_EPSILON_1000 ||
- mImpl->mTextUpdateInfo.mFullRelayoutNeeded ||
- mImpl->mTextUpdateInfo.mClearAll )
- {
- // Operations that can be done only once until the text changes.
- const OperationsMask onlyOnceOperations = static_cast<OperationsMask>( CONVERT_TO_UTF32 |
- GET_SCRIPTS |
- VALIDATE_FONTS |
- GET_LINE_BREAKS |
- BIDI_INFO |
- SHAPE_TEXT |
- GET_GLYPH_METRICS );
-
- // Set the update info to relayout the whole text.
- mImpl->mTextUpdateInfo.mParagraphCharacterIndex = 0u;
- mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters = mImpl->mModel->mLogicalModel->mText.Count();
-
- // Make sure the model is up-to-date before layouting
- mImpl->UpdateModel( onlyOnceOperations );
-
-
- // Layout the text for the new width.
- mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | LAYOUT );
-
- // Store the actual control's width.
- const float actualControlWidth = mImpl->mModel->mVisualModel->mControlSize.width;
-
- DoRelayout( Size( width, MAX_FLOAT ),
- static_cast<OperationsMask>( onlyOnceOperations |
- LAYOUT ),
- layoutSize );
-
- // Do not do again the only once operations.
- mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending & ~onlyOnceOperations );
-
- // Do the size related operations again.
- const OperationsMask sizeOperations = static_cast<OperationsMask>( LAYOUT |
- ALIGN |
- REORDER );
-
- mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending | sizeOperations );
-
- // Clear the update info. This info will be set the next time the text is updated.
- mImpl->mTextUpdateInfo.Clear();
- mImpl->mTextUpdateInfo.mClearAll = true;
-
- // Restore the actual control's width.
- mImpl->mModel->mVisualModel->mControlSize.width = actualControlWidth;
-
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth calculated %f\n", layoutSize.height );
- }
- else
- {
- layoutSize = mImpl->mModel->mVisualModel->GetLayoutSize();
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::GetHeightForWidth cached %f\n", layoutSize.height );
- }
-
- return layoutSize.height;
+ return Relayouter::GetHeightForWidth(*this, width);
}
int Controller::GetLineCount( float width )
return isScrolled;
}
-void Controller::SetHiddenInputOption(const Property::Map& options )
+void Controller::SetHiddenInputOption(const Property::Map& options)
{
if( NULL == mImpl->mHiddenInput )
{
mImpl->mHiddenInput->SetProperties(options);
}
-void Controller::GetHiddenInputOption(Property::Map& options )
+void Controller::GetHiddenInputOption(Property::Map& options)
{
if( NULL != mImpl->mHiddenInput )
{
Controller::UpdateTextType Controller::Relayout( const Size& size, Dali::LayoutDirection::Type layoutDirection )
{
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::Relayout %p size %f,%f, autoScroll[%s]\n", this, size.width, size.height, mImpl->mIsAutoScrollEnabled ?"true":"false" );
-
- UpdateTextType updateTextType = NONE_UPDATED;
+ return Relayouter::Relayout(*this, size, layoutDirection);
+}
- if( ( size.width < Math::MACHINE_EPSILON_1000 ) || ( size.height < Math::MACHINE_EPSILON_1000 ) )
- {
- if( 0u != mImpl->mModel->mVisualModel->mGlyphPositions.Count() )
- {
- mImpl->mModel->mVisualModel->mGlyphPositions.Clear();
- updateTextType = MODEL_UPDATED;
- }
+void Controller::RequestRelayout()
+{
+ mImpl->RequestRelayout();
+}
- // Clear the update info. This info will be set the next time the text is updated.
- mImpl->mTextUpdateInfo.Clear();
+// public : Input style change signals.
- // Not worth to relayout if width or height is equal to zero.
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout (skipped)\n" );
+bool Controller::IsInputStyleChangedSignalsQueueEmpty()
+{
+ return ( NULL == mImpl->mEventData ) || ( 0u == mImpl->mEventData->mInputStyleChangedQueue.Count() );
+}
- return updateTextType;
+void Controller::ProcessInputStyleChangedSignals()
+{
+ if( NULL == mImpl->mEventData )
+ {
+ // Nothing to do.
+ return;
}
- // Whether a new size has been set.
- const bool newSize = ( size != mImpl->mModel->mVisualModel->mControlSize );
-
- if( newSize )
+ for( Vector<InputStyle::Mask>::ConstIterator it = mImpl->mEventData->mInputStyleChangedQueue.Begin(),
+ endIt = mImpl->mEventData->mInputStyleChangedQueue.End();
+ it != endIt;
+ ++it )
{
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "new size (previous size %f,%f)\n", mImpl->mModel->mVisualModel->mControlSize.width, mImpl->mModel->mVisualModel->mControlSize.height );
+ const InputStyle::Mask mask = *it;
- if( ( 0 == mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd ) &&
- ( 0 == mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters ) &&
- ( ( mImpl->mModel->mVisualModel->mControlSize.width < Math::MACHINE_EPSILON_1000 ) || ( mImpl->mModel->mVisualModel->mControlSize.height < Math::MACHINE_EPSILON_1000 ) ) )
+ if( NULL != mImpl->mEditableControlInterface )
{
- mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mModel->mLogicalModel->mText.Count();
+ // Emit the input style changed signal.
+ mImpl->mEditableControlInterface->InputStyleChanged( mask );
}
-
- // Layout operations that need to be done if the size changes.
- mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
- LAYOUT |
- ALIGN |
- UPDATE_LAYOUT_SIZE |
- REORDER );
- // Set the update info to relayout the whole text.
- mImpl->mTextUpdateInfo.mFullRelayoutNeeded = true;
- mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
-
- // Store the size used to layout the text.
- mImpl->mModel->mVisualModel->mControlSize = size;
- }
-
- // Whether there are modify events.
- if( 0u != mImpl->mModifyEvents.Count() )
- {
- // Style operations that need to be done if the text is modified.
- mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
- COLOR );
- }
-
- // Set the update info to elide the text.
- if( mImpl->mModel->mElideEnabled ||
- ( ( NULL != mImpl->mEventData ) && mImpl->mEventData->mIsPlaceholderElideEnabled ) )
- {
- // Update Text layout for applying elided
- mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
- ALIGN |
- LAYOUT |
- UPDATE_LAYOUT_SIZE |
- REORDER );
- mImpl->mTextUpdateInfo.mFullRelayoutNeeded = true;
- mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
}
- if( mImpl->mModel->mMatchSystemLanguageDirection && mImpl->mLayoutDirection != layoutDirection )
- {
- // Clear the update info. This info will be set the next time the text is updated.
- mImpl->mTextUpdateInfo.mClearAll = true;
- // Apply modifications to the model
- // Shape the text again is needed because characters like '()[]{}' have to be mirrored and the glyphs generated again.
- mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
- GET_GLYPH_METRICS |
- SHAPE_TEXT |
- UPDATE_DIRECTION |
- LAYOUT |
- BIDI_INFO |
- REORDER );
- mImpl->mLayoutDirection = layoutDirection;
- }
+ mImpl->mEventData->mInputStyleChangedQueue.Clear();
+}
- // Make sure the model is up-to-date before layouting.
- ProcessModifyEvents();
- bool updated = mImpl->UpdateModel( mImpl->mOperationsPending );
+// public : Text-input Event Queuing.
- // Layout the text.
- Size layoutSize;
- updated = DoRelayout( size,
- mImpl->mOperationsPending,
- layoutSize ) || updated;
-
-
- if( updated )
- {
- updateTextType = MODEL_UPDATED;
- }
-
- // Do not re-do any operation until something changes.
- mImpl->mOperationsPending = NO_OPERATION;
- mImpl->mModel->mScrollPositionLast = mImpl->mModel->mScrollPosition;
-
- // Whether the text control is editable
- const bool isEditable = NULL != mImpl->mEventData;
-
- // Keep the current offset as it will be used to update the decorator's positions (if the size changes).
- Vector2 offset;
- if( newSize && isEditable )
- {
- offset = mImpl->mModel->mScrollPosition;
- }
-
- if( !isEditable || !IsMultiLineEnabled() )
- {
- // After doing the text layout, the vertical offset to place the actor in the desired position can be calculated.
- CalculateVerticalOffset( size );
- }
-
- if( isEditable )
- {
- if( newSize )
- {
- // If there is a new size, the scroll position needs to be clamped.
- mImpl->ClampHorizontalScroll( layoutSize );
-
- // Update the decorator's positions is needed if there is a new size.
- mImpl->mEventData->mDecorator->UpdatePositions( mImpl->mModel->mScrollPosition - offset );
- }
-
- // Move the cursor, grab handle etc.
- if( mImpl->ProcessInputEvents() )
- {
- updateTextType = static_cast<UpdateTextType>( updateTextType | DECORATOR_UPDATED );
- }
- }
-
- // Clear the update info. This info will be set the next time the text is updated.
- mImpl->mTextUpdateInfo.Clear();
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::Relayout\n" );
-
- return updateTextType;
-}
-
-void Controller::RequestRelayout()
-{
- mImpl->RequestRelayout();
-}
-
-// public : Input style change signals.
-
-bool Controller::IsInputStyleChangedSignalsQueueEmpty()
-{
- return ( NULL == mImpl->mEventData ) || ( 0u == mImpl->mEventData->mInputStyleChangedQueue.Count() );
-}
-
-void Controller::ProcessInputStyleChangedSignals()
-{
- if( NULL == mImpl->mEventData )
- {
- // Nothing to do.
- return;
- }
-
- for( Vector<InputStyle::Mask>::ConstIterator it = mImpl->mEventData->mInputStyleChangedQueue.Begin(),
- endIt = mImpl->mEventData->mInputStyleChangedQueue.End();
- it != endIt;
- ++it )
- {
- const InputStyle::Mask mask = *it;
-
- if( NULL != mImpl->mEditableControlInterface )
- {
- // Emit the input style changed signal.
- mImpl->mEditableControlInterface->InputStyleChanged( mask );
- }
- }
-
- mImpl->mEventData->mInputStyleChangedQueue.Clear();
-}
-
-// public : Text-input Event Queuing.
-
-void Controller::KeyboardFocusGainEvent()
-{
- EventHandler::KeyboardFocusGainEvent(*this);
-}
+void Controller::KeyboardFocusGainEvent()
+{
+ EventHandler::KeyboardFocusGainEvent(*this);
+}
void Controller::KeyboardFocusLostEvent()
{
return mImpl->GetTextSelectionRange();
}
+CharacterIndex Controller::GetPrimaryCursorPosition() const
+{
+ return mImpl->GetPrimaryCursorPosition();
+}
+
+bool Controller::SetPrimaryCursorPosition( CharacterIndex index )
+{
+ if( mImpl->mEventData )
+ {
+ mImpl->mEventData->mCheckScrollAmount = true;
+ mImpl->mEventData->mIsLeftHandleSelected = true;
+ mImpl->mEventData->mIsRightHandleSelected = true;
+ mImpl->mEventData->mCheckScrollAmount = true;
+ if( mImpl->SetPrimaryCursorPosition(index) )
+ {
+ KeyboardFocusGainEvent();
+ return true;
+ }
+ }
+ return false;
+}
+
void Controller::SelectWholeText()
{
SelectEvent( 0.f, 0.f, SelectionType::ALL );
void Controller::InsertText( const std::string& text, Controller::InsertType type )
{
- bool removedPrevious = false;
- bool removedSelected = false;
- bool maxLengthReached = false;
-
- DALI_ASSERT_DEBUG( NULL != mImpl->mEventData && "Unexpected InsertText" )
-
- if( NULL == mImpl->mEventData )
- {
- return;
- }
-
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::InsertText %p %s (%s) mPrimaryCursorPosition %d mPreEditFlag %d mPreEditStartPosition %d mPreEditLength %d\n",
- this, text.c_str(), (COMMIT == type ? "COMMIT" : "PRE_EDIT"),
- mImpl->mEventData->mPrimaryCursorPosition, mImpl->mEventData->mPreEditFlag, mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength );
-
- // TODO: At the moment the underline runs are only for pre-edit.
- mImpl->mModel->mVisualModel->mUnderlineRuns.Clear();
-
- // Remove the previous InputMethodContext pre-edit.
- if( mImpl->mEventData->mPreEditFlag && ( 0u != mImpl->mEventData->mPreEditLength ) )
- {
- removedPrevious = RemoveText( -static_cast<int>( mImpl->mEventData->mPrimaryCursorPosition - mImpl->mEventData->mPreEditStartPosition ),
- mImpl->mEventData->mPreEditLength,
- DONT_UPDATE_INPUT_STYLE );
-
- mImpl->mEventData->mPrimaryCursorPosition = mImpl->mEventData->mPreEditStartPosition;
- mImpl->mEventData->mPreEditLength = 0u;
- }
- else
- {
- // Remove the previous Selection.
- removedSelected = RemoveSelectedText();
-
- }
-
- Vector<Character> utf32Characters;
- Length characterCount = 0u;
-
- if( !text.empty() )
- {
- // Convert text into UTF-32
- utf32Characters.Resize( text.size() );
-
- // This is a bit horrible but std::string returns a (signed) char*
- const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
-
- // Transform a text array encoded in utf8 into an array encoded in utf32.
- // It returns the actual number of characters.
- characterCount = Utf8ToUtf32( utf8, text.size(), utf32Characters.Begin() );
- utf32Characters.Resize( characterCount );
-
- DALI_ASSERT_DEBUG( text.size() >= utf32Characters.Count() && "Invalid UTF32 conversion length" );
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "UTF8 size %d, UTF32 size %d\n", text.size(), utf32Characters.Count() );
- }
-
- if( 0u != utf32Characters.Count() ) // Check if Utf8ToUtf32 conversion succeeded
- {
- // The placeholder text is no longer needed
- if( mImpl->IsShowingPlaceholderText() )
- {
- ResetText();
- }
-
- mImpl->ChangeState( EventData::EDITING );
-
- // Handle the InputMethodContext (predicitive text) state changes
- if( COMMIT == type )
- {
- // InputMethodContext is no longer handling key-events
- mImpl->ClearPreEditFlag();
- }
- else // PRE_EDIT
- {
- if( !mImpl->mEventData->mPreEditFlag )
- {
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Entered PreEdit state\n" );
-
- // Record the start of the pre-edit text
- mImpl->mEventData->mPreEditStartPosition = mImpl->mEventData->mPrimaryCursorPosition;
- }
-
- mImpl->mEventData->mPreEditLength = utf32Characters.Count();
- mImpl->mEventData->mPreEditFlag = true;
-
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "mPreEditStartPosition %d mPreEditLength %d\n", mImpl->mEventData->mPreEditStartPosition, mImpl->mEventData->mPreEditLength );
- }
-
- const Length numberOfCharactersInModel = mImpl->mModel->mLogicalModel->mText.Count();
-
- // Restrict new text to fit within Maximum characters setting.
- Length maxSizeOfNewText = std::min( ( mImpl->mMaximumNumberOfCharacters - numberOfCharactersInModel ), characterCount );
- maxLengthReached = ( characterCount > maxSizeOfNewText );
-
- // The cursor position.
- CharacterIndex& cursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
-
- // Update the text's style.
-
- // Updates the text style runs by adding characters.
- mImpl->mModel->mLogicalModel->UpdateTextStyleRuns( cursorIndex, maxSizeOfNewText );
-
- // Get the character index from the cursor index.
- const CharacterIndex styleIndex = ( cursorIndex > 0u ) ? cursorIndex - 1u : 0u;
-
- // Retrieve the text's style for the given index.
- InputStyle style;
- mImpl->RetrieveDefaultInputStyle( style );
- mImpl->mModel->mLogicalModel->RetrieveStyle( styleIndex, style );
-
- // Whether to add a new text color run.
- const bool addColorRun = ( style.textColor != mImpl->mEventData->mInputStyle.textColor ) && !mImpl->mEventData->mInputStyle.isDefaultColor;
-
- // Whether to add a new font run.
- const bool addFontNameRun = ( style.familyName != mImpl->mEventData->mInputStyle.familyName ) && mImpl->mEventData->mInputStyle.isFamilyDefined;
- const bool addFontWeightRun = ( style.weight != mImpl->mEventData->mInputStyle.weight ) && mImpl->mEventData->mInputStyle.isWeightDefined;
- const bool addFontWidthRun = ( style.width != mImpl->mEventData->mInputStyle.width ) && mImpl->mEventData->mInputStyle.isWidthDefined;
- const bool addFontSlantRun = ( style.slant != mImpl->mEventData->mInputStyle.slant ) && mImpl->mEventData->mInputStyle.isSlantDefined;
- const bool addFontSizeRun = ( style.size != mImpl->mEventData->mInputStyle.size ) && mImpl->mEventData->mInputStyle.isSizeDefined ;
-
- // Add style runs.
- if( addColorRun )
- {
- const VectorBase::SizeType numberOfRuns = mImpl->mModel->mLogicalModel->mColorRuns.Count();
- mImpl->mModel->mLogicalModel->mColorRuns.Resize( numberOfRuns + 1u );
-
- ColorRun& colorRun = *( mImpl->mModel->mLogicalModel->mColorRuns.Begin() + numberOfRuns );
- colorRun.color = mImpl->mEventData->mInputStyle.textColor;
- colorRun.characterRun.characterIndex = cursorIndex;
- colorRun.characterRun.numberOfCharacters = maxSizeOfNewText;
- }
-
- if( addFontNameRun ||
- addFontWeightRun ||
- addFontWidthRun ||
- addFontSlantRun ||
- addFontSizeRun )
- {
- const VectorBase::SizeType numberOfRuns = mImpl->mModel->mLogicalModel->mFontDescriptionRuns.Count();
- mImpl->mModel->mLogicalModel->mFontDescriptionRuns.Resize( numberOfRuns + 1u );
-
- FontDescriptionRun& fontDescriptionRun = *( mImpl->mModel->mLogicalModel->mFontDescriptionRuns.Begin() + numberOfRuns );
-
- if( addFontNameRun )
- {
- fontDescriptionRun.familyLength = mImpl->mEventData->mInputStyle.familyName.size();
- fontDescriptionRun.familyName = new char[fontDescriptionRun.familyLength];
- memcpy( fontDescriptionRun.familyName, mImpl->mEventData->mInputStyle.familyName.c_str(), fontDescriptionRun.familyLength );
- fontDescriptionRun.familyDefined = true;
-
- // The memory allocated for the font family name is freed when the font description is removed from the logical model.
- }
-
- if( addFontWeightRun )
- {
- fontDescriptionRun.weight = mImpl->mEventData->mInputStyle.weight;
- fontDescriptionRun.weightDefined = true;
- }
-
- if( addFontWidthRun )
- {
- fontDescriptionRun.width = mImpl->mEventData->mInputStyle.width;
- fontDescriptionRun.widthDefined = true;
- }
-
- if( addFontSlantRun )
- {
- fontDescriptionRun.slant = mImpl->mEventData->mInputStyle.slant;
- fontDescriptionRun.slantDefined = true;
- }
-
- if( addFontSizeRun )
- {
- fontDescriptionRun.size = static_cast<PointSize26Dot6>( mImpl->mEventData->mInputStyle.size * 64.f );
- fontDescriptionRun.sizeDefined = true;
- }
-
- fontDescriptionRun.characterRun.characterIndex = cursorIndex;
- fontDescriptionRun.characterRun.numberOfCharacters = maxSizeOfNewText;
- }
-
- // Insert at current cursor position.
- Vector<Character>& modifyText = mImpl->mModel->mLogicalModel->mText;
-
- auto pos = modifyText.End();
- if( cursorIndex < numberOfCharactersInModel )
- {
- pos = modifyText.Begin() + cursorIndex;
- }
- unsigned int realPos = pos - modifyText.Begin();
- modifyText.Insert( pos, utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText );
-
- if( NULL != mImpl->mEditableControlInterface )
- {
- mImpl->mEditableControlInterface->TextInserted( realPos, maxSizeOfNewText, text );
- }
-
- // Mark the first paragraph to be updated.
- if( Layout::Engine::SINGLE_LINE_BOX == mImpl->mLayoutEngine.GetLayout() )
- {
- mImpl->mTextUpdateInfo.mCharacterIndex = 0;
- mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
- mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = numberOfCharactersInModel + maxSizeOfNewText;
- mImpl->mTextUpdateInfo.mClearAll = true;
- }
- else
- {
- mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
- mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd += maxSizeOfNewText;
- }
-
- // Update the cursor index.
- cursorIndex += maxSizeOfNewText;
-
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Inserted %d characters, new size %d new cursor %d\n", maxSizeOfNewText, mImpl->mModel->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition );
- }
-
- if( ( 0u == mImpl->mModel->mLogicalModel->mText.Count() ) &&
- mImpl->IsPlaceholderAvailable() )
- {
- // Show place-holder if empty after removing the pre-edit text
- ShowPlaceholderText();
- mImpl->mEventData->mUpdateCursorPosition = true;
- mImpl->ClearPreEditFlag();
- }
- else if( removedPrevious ||
- removedSelected ||
- ( 0 != utf32Characters.Count() ) )
- {
- // Queue an inserted event
- mImpl->QueueModifyEvent( ModifyEvent::TEXT_INSERTED );
-
- mImpl->mEventData->mUpdateCursorPosition = true;
- if( removedSelected )
- {
- mImpl->mEventData->mScrollAfterDelete = true;
- }
- else
- {
- mImpl->mEventData->mScrollAfterUpdatePosition = true;
- }
- }
-
- if( maxLengthReached )
- {
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "MaxLengthReached (%d)\n", mImpl->mModel->mLogicalModel->mText.Count() );
-
- mImpl->ResetInputMethodContext();
-
- if( NULL != mImpl->mEditableControlInterface )
- {
- // Do this last since it provides callbacks into application code
- mImpl->mEditableControlInterface->MaxLengthReached();
- }
- }
+ TextUpdater::InsertText(*this, text, type);
}
void Controller::PasteText( const std::string& stringToPaste )
{
- InsertText( stringToPaste, Text::Controller::COMMIT );
- mImpl->ChangeState( EventData::EDITING );
- mImpl->RequestRelayout();
-
- if( NULL != mImpl->mEditableControlInterface )
- {
- // Do this last since it provides callbacks into application code
- mImpl->mEditableControlInterface->TextChanged();
- }
+ TextUpdater::PasteText(*this, stringToPaste);
}
bool Controller::RemoveText( int cursorOffset,
int numberOfCharacters,
UpdateInputStyleType type )
{
- bool removed = false;
-
- if( NULL == mImpl->mEventData )
- {
- return removed;
- }
-
- DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p mText.Count() %d cursor %d cursorOffset %d numberOfCharacters %d\n",
- this, mImpl->mModel->mLogicalModel->mText.Count(), mImpl->mEventData->mPrimaryCursorPosition, cursorOffset, numberOfCharacters );
-
- if( !mImpl->IsShowingPlaceholderText() )
- {
- // Delete at current cursor position
- Vector<Character>& currentText = mImpl->mModel->mLogicalModel->mText;
- CharacterIndex& oldCursorIndex = mImpl->mEventData->mPrimaryCursorPosition;
-
- CharacterIndex cursorIndex = 0;
-
- // Validate the cursor position & number of characters
- if( ( static_cast< int >( mImpl->mEventData->mPrimaryCursorPosition ) + cursorOffset ) >= 0 )
- {
- cursorIndex = mImpl->mEventData->mPrimaryCursorPosition + cursorOffset;
- }
-
- if( ( cursorIndex + numberOfCharacters ) > currentText.Count() )
- {
- numberOfCharacters = currentText.Count() - cursorIndex;
- }
-
- if( mImpl->mEventData->mPreEditFlag || // If the preedit flag is enabled, it means two (or more) of them came together i.e. when two keys have been pressed at the same time.
- ( ( cursorIndex + numberOfCharacters ) <= mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters ) )
- {
- // Mark the paragraphs to be updated.
- if( Layout::Engine::SINGLE_LINE_BOX == mImpl->mLayoutEngine.GetLayout() )
- {
- mImpl->mTextUpdateInfo.mCharacterIndex = 0;
- mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
- mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters - numberOfCharacters;
- mImpl->mTextUpdateInfo.mClearAll = true;
- }
- else
- {
- mImpl->mTextUpdateInfo.mCharacterIndex = std::min( cursorIndex, mImpl->mTextUpdateInfo.mCharacterIndex );
- mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove += numberOfCharacters;
- }
-
- // Update the input style and remove the text's style before removing the text.
-
- if( UPDATE_INPUT_STYLE == type )
- {
- // Keep a copy of the current input style.
- InputStyle currentInputStyle;
- currentInputStyle.Copy( mImpl->mEventData->mInputStyle );
-
- // Set first the default input style.
- mImpl->RetrieveDefaultInputStyle( mImpl->mEventData->mInputStyle );
-
- // Update the input style.
- mImpl->mModel->mLogicalModel->RetrieveStyle( cursorIndex, mImpl->mEventData->mInputStyle );
-
- // Compare if the input style has changed.
- const bool hasInputStyleChanged = !currentInputStyle.Equal( mImpl->mEventData->mInputStyle );
-
- if( hasInputStyleChanged )
- {
- const InputStyle::Mask styleChangedMask = currentInputStyle.GetInputStyleChangeMask( mImpl->mEventData->mInputStyle );
- // Queue the input style changed signal.
- mImpl->mEventData->mInputStyleChangedQueue.PushBack( styleChangedMask );
- }
- }
-
- // If the number of current text and the number of characters to be deleted are same,
- // it means all texts should be removed and all Preedit variables should be initialized.
- if( ( currentText.Count() - numberOfCharacters == 0 ) && ( cursorIndex == 0 ) )
- {
- mImpl->ClearPreEditFlag();
- mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = 0;
- }
-
- // Updates the text style runs by removing characters. Runs with no characters are removed.
- mImpl->mModel->mLogicalModel->UpdateTextStyleRuns( cursorIndex, -numberOfCharacters );
-
- // Remove the characters.
- Vector<Character>::Iterator first = currentText.Begin() + cursorIndex;
- Vector<Character>::Iterator last = first + numberOfCharacters;
-
- if( NULL != mImpl->mEditableControlInterface )
- {
- std::string utf8;
- Utf32ToUtf8( first, numberOfCharacters, utf8 );
- mImpl->mEditableControlInterface->TextDeleted( cursorIndex, numberOfCharacters, utf8 );
- }
-
- currentText.Erase( first, last );
-
- // Cursor position retreat
- oldCursorIndex = cursorIndex;
-
- mImpl->mEventData->mScrollAfterDelete = true;
-
- if( EventData::INACTIVE == mImpl->mEventData->mState )
- {
- mImpl->ChangeState( EventData::EDITING );
- }
-
- DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::RemoveText %p removed %d\n", this, numberOfCharacters );
- removed = true;
- }
- }
-
- return removed;
+ return TextUpdater::RemoveText(*this, cursorOffset, numberOfCharacters, type);
}
bool Controller::RemoveSelectedText()
{
- bool textRemoved( false );
-
- if( EventData::SELECTING == mImpl->mEventData->mState )
- {
- std::string removedString;
- mImpl->RetrieveSelection( removedString, true );
-
- if( !removedString.empty() )
- {
- textRemoved = true;
- mImpl->ChangeState( EventData::EDITING );
- }
- }
-
- return textRemoved;
+ return TextUpdater::RemoveSelectedText(*this);
}
// private : Relayout.
OperationsMask operationsRequired,
Size& layoutSize )
{
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout %p size %f,%f\n", this, size.width, size.height );
- bool viewUpdated( false );
-
- // Calculate the operations to be done.
- const OperationsMask operations = static_cast<OperationsMask>( mImpl->mOperationsPending & operationsRequired );
-
- const CharacterIndex startIndex = mImpl->mTextUpdateInfo.mParagraphCharacterIndex;
- const Length requestedNumberOfCharacters = mImpl->mTextUpdateInfo.mRequestedNumberOfCharacters;
-
- // Get the current layout size.
- layoutSize = mImpl->mModel->mVisualModel->GetLayoutSize();
-
- if( NO_OPERATION != ( LAYOUT & operations ) )
- {
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::DoRelayout LAYOUT & operations\n");
-
- // Some vectors with data needed to layout and reorder may be void
- // after the first time the text has been laid out.
- // Fill the vectors again.
-
- // Calculate the number of glyphs to layout.
- const Vector<GlyphIndex>& charactersToGlyph = mImpl->mModel->mVisualModel->mCharactersToGlyph;
- const Vector<Length>& glyphsPerCharacter = mImpl->mModel->mVisualModel->mGlyphsPerCharacter;
- const GlyphIndex* const charactersToGlyphBuffer = charactersToGlyph.Begin();
- const Length* const glyphsPerCharacterBuffer = glyphsPerCharacter.Begin();
-
- const CharacterIndex lastIndex = startIndex + ( ( requestedNumberOfCharacters > 0u ) ? requestedNumberOfCharacters - 1u : 0u );
- const GlyphIndex startGlyphIndex = mImpl->mTextUpdateInfo.mStartGlyphIndex;
-
- // Make sure the index is not out of bound
- if ( charactersToGlyph.Count() != glyphsPerCharacter.Count() ||
- requestedNumberOfCharacters > charactersToGlyph.Count() ||
- ( lastIndex > charactersToGlyph.Count() && charactersToGlyph.Count() > 0u ) )
- {
- std::string currentText;
- GetText( currentText );
-
- DALI_LOG_ERROR( "Controller::DoRelayout: Attempting to access invalid buffer\n" );
- DALI_LOG_ERROR( "Current text is: %s\n", currentText.c_str() );
- DALI_LOG_ERROR( "startIndex: %u, lastIndex: %u, requestedNumberOfCharacters: %u, charactersToGlyph.Count = %lu, glyphsPerCharacter.Count = %lu\n", startIndex, lastIndex, requestedNumberOfCharacters, charactersToGlyph.Count(), glyphsPerCharacter.Count());
-
- return false;
- }
-
- const Length numberOfGlyphs = ( requestedNumberOfCharacters > 0u ) ? *( charactersToGlyphBuffer + lastIndex ) + *( glyphsPerCharacterBuffer + lastIndex ) - startGlyphIndex : 0u;
- const Length totalNumberOfGlyphs = mImpl->mModel->mVisualModel->mGlyphs.Count();
-
- if( 0u == totalNumberOfGlyphs )
- {
- if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) )
- {
- mImpl->mModel->mVisualModel->SetLayoutSize( Size::ZERO );
- }
-
- // Nothing else to do if there is no glyphs.
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout no glyphs, view updated true\n" );
- return true;
- }
-
- // Set the layout parameters.
- Layout::Parameters layoutParameters( size,
- mImpl->mModel);
-
- // Resize the vector of positions to have the same size than the vector of glyphs.
- Vector<Vector2>& glyphPositions = mImpl->mModel->mVisualModel->mGlyphPositions;
- glyphPositions.Resize( totalNumberOfGlyphs );
-
- // Whether the last character is a new paragraph character.
- const Character* const textBuffer = mImpl->mModel->mLogicalModel->mText.Begin();
- mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph = TextAbstraction::IsNewParagraph( *( textBuffer + ( mImpl->mModel->mLogicalModel->mText.Count() - 1u ) ) );
- layoutParameters.isLastNewParagraph = mImpl->mTextUpdateInfo.mIsLastCharacterNewParagraph;
-
- // The initial glyph and the number of glyphs to layout.
- layoutParameters.startGlyphIndex = startGlyphIndex;
- layoutParameters.numberOfGlyphs = numberOfGlyphs;
- layoutParameters.startLineIndex = mImpl->mTextUpdateInfo.mStartLineIndex;
- layoutParameters.estimatedNumberOfLines = mImpl->mTextUpdateInfo.mEstimatedNumberOfLines;
-
- // Update the ellipsis
- bool elideTextEnabled = mImpl->mModel->mElideEnabled;
-
- if( NULL != mImpl->mEventData )
- {
- if( mImpl->mEventData->mPlaceholderEllipsisFlag && mImpl->IsShowingPlaceholderText() )
- {
- elideTextEnabled = mImpl->mEventData->mIsPlaceholderElideEnabled;
- }
- else if( EventData::INACTIVE != mImpl->mEventData->mState )
- {
- // Disable ellipsis when editing
- elideTextEnabled = false;
- }
-
- // Reset the scroll position in inactive state
- if( elideTextEnabled && ( mImpl->mEventData->mState == EventData::INACTIVE ) )
- {
- ResetScrollPosition();
- }
- }
-
- // Update the visual model.
- bool isAutoScrollEnabled = mImpl->mIsAutoScrollEnabled;
- Size newLayoutSize;
- viewUpdated = mImpl->mLayoutEngine.LayoutText( layoutParameters,
- newLayoutSize,
- elideTextEnabled,
- isAutoScrollEnabled );
- mImpl->mIsAutoScrollEnabled = isAutoScrollEnabled;
-
- viewUpdated = viewUpdated || ( newLayoutSize != layoutSize );
-
- if( viewUpdated )
- {
- layoutSize = newLayoutSize;
-
- if( NO_OPERATION != ( UPDATE_DIRECTION & operations ) )
- {
- mImpl->mIsTextDirectionRTL = false;
- }
-
- if ( ( NO_OPERATION != ( UPDATE_DIRECTION & operations ) ) && !mImpl->mModel->mVisualModel->mLines.Empty() )
- {
- mImpl->mIsTextDirectionRTL = mImpl->mModel->mVisualModel->mLines[0u].direction;
- }
-
- // Sets the layout size.
- if( NO_OPERATION != ( UPDATE_LAYOUT_SIZE & operations ) )
- {
- mImpl->mModel->mVisualModel->SetLayoutSize( layoutSize );
- }
- } // view updated
- }
-
- if( NO_OPERATION != ( ALIGN & operations ) )
- {
- // The laid-out lines.
- Vector<LineRun>& lines = mImpl->mModel->mVisualModel->mLines;
-
- CharacterIndex alignStartIndex = startIndex;
- Length alignRequestedNumberOfCharacters = requestedNumberOfCharacters;
-
- // the whole text needs to be full aligned.
- // If you do not do a full aligned, only the last line of the multiline input is aligned.
- if( mImpl->mEventData && mImpl->mEventData->mUpdateAlignment )
- {
- alignStartIndex = 0u;
- alignRequestedNumberOfCharacters = mImpl->mModel->mLogicalModel->mText.Count();
- mImpl->mEventData->mUpdateAlignment = false;
- }
-
- // Need to align with the control's size as the text may contain lines
- // starting either with left to right text or right to left.
- mImpl->mLayoutEngine.Align( size,
- alignStartIndex,
- alignRequestedNumberOfCharacters,
- mImpl->mModel->mHorizontalAlignment,
- lines,
- mImpl->mModel->mAlignmentOffset,
- mImpl->mLayoutDirection,
- mImpl->mModel->mMatchSystemLanguageDirection );
-
- viewUpdated = true;
- }
-#if defined(DEBUG_ENABLED)
- std::string currentText;
- GetText( currentText );
- DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::DoRelayout [%p] mImpl->mIsTextDirectionRTL[%s] [%s]\n", this, (mImpl->mIsTextDirectionRTL)?"true":"false", currentText.c_str() );
-#endif
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::DoRelayout, view updated %s\n", ( viewUpdated ? "true" : "false" ) );
- return viewUpdated;
+ return Relayouter::DoRelayout(*this, size, operationsRequired, layoutSize);
}
void Controller::CalculateVerticalOffset( const Size& controlSize )
{
- Size layoutSize = mImpl->mModel->mVisualModel->GetLayoutSize();
-
- if( fabsf( layoutSize.height ) < Math::MACHINE_EPSILON_1000 )
- {
- // Get the line height of the default font.
- layoutSize.height = mImpl->GetDefaultFontLineHeight();
- }
-
- switch( mImpl->mModel->mVerticalAlignment )
- {
- case VerticalAlignment::TOP:
- {
- mImpl->mModel->mScrollPosition.y = 0.f;
- break;
- }
- case VerticalAlignment::CENTER:
- {
- mImpl->mModel->mScrollPosition.y = floorf( 0.5f * ( controlSize.height - layoutSize.height ) ); // try to avoid pixel alignment.
- break;
- }
- case VerticalAlignment::BOTTOM:
- {
- mImpl->mModel->mScrollPosition.y = controlSize.height - layoutSize.height;
- break;
- }
- }
+ Relayouter::CalculateVerticalOffset(*this, controlSize);
}
// private : Events.
void Controller::ResetText()
{
- // Reset buffers.
- mImpl->mModel->mLogicalModel->mText.Clear();
-
- // Reset the embedded images buffer.
- mImpl->mModel->mLogicalModel->ClearEmbeddedImages();
-
- // We have cleared everything including the placeholder-text
- mImpl->PlaceholderCleared();
-
- mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
- mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
- mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = 0u;
-
- // Clear any previous text.
- mImpl->mTextUpdateInfo.mClearAll = true;
-
- // The natural size needs to be re-calculated.
- mImpl->mRecalculateNaturalSize = true;
-
- // The text direction needs to be updated.
- mImpl->mUpdateTextDirection = true;
-
- // Apply modifications to the model
- mImpl->mOperationsPending = ALL_OPERATIONS;
+ TextUpdater::ResetText(*this);
}
void Controller::ShowPlaceholderText()
{
- if( mImpl->IsPlaceholderAvailable() )
- {
- DALI_ASSERT_DEBUG( mImpl->mEventData && "No placeholder text available" );
-
- if( NULL == mImpl->mEventData )
- {
- return;
- }
-
- mImpl->mEventData->mIsShowingPlaceholderText = true;
-
- // Disable handles when showing place-holder text
- mImpl->mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
- mImpl->mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
- mImpl->mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
-
- const char* text( NULL );
- size_t size( 0 );
-
- // TODO - Switch Placeholder text when changing state
- if( ( EventData::INACTIVE != mImpl->mEventData->mState ) &&
- ( 0u != mImpl->mEventData->mPlaceholderTextActive.c_str() ) )
- {
- text = mImpl->mEventData->mPlaceholderTextActive.c_str();
- size = mImpl->mEventData->mPlaceholderTextActive.size();
- }
- else
- {
- text = mImpl->mEventData->mPlaceholderTextInactive.c_str();
- size = mImpl->mEventData->mPlaceholderTextInactive.size();
- }
-
- mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
- mImpl->mTextUpdateInfo.mNumberOfCharactersToRemove = mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
-
- // Reset model for showing placeholder.
- mImpl->mModel->mLogicalModel->mText.Clear();
- mImpl->mModel->mVisualModel->SetTextColor( mImpl->mEventData->mPlaceholderTextColor );
-
- // Convert text into UTF-32
- Vector<Character>& utf32Characters = mImpl->mModel->mLogicalModel->mText;
- utf32Characters.Resize( size );
-
- // This is a bit horrible but std::string returns a (signed) char*
- const uint8_t* utf8 = reinterpret_cast<const uint8_t*>( text );
-
- // Transform a text array encoded in utf8 into an array encoded in utf32.
- // It returns the actual number of characters.
- const Length characterCount = Utf8ToUtf32( utf8, size, utf32Characters.Begin() );
- utf32Characters.Resize( characterCount );
-
- // The characters to be added.
- mImpl->mTextUpdateInfo.mNumberOfCharactersToAdd = characterCount;
-
- // Reset the cursor position
- mImpl->mEventData->mPrimaryCursorPosition = 0;
-
- // The natural size needs to be re-calculated.
- mImpl->mRecalculateNaturalSize = true;
-
- // The text direction needs to be updated.
- mImpl->mUpdateTextDirection = true;
-
- // Apply modifications to the model
- mImpl->mOperationsPending = ALL_OPERATIONS;
-
- // Update the rest of the model during size negotiation
- mImpl->QueueModifyEvent( ModifyEvent::TEXT_REPLACED );
- }
+ PlaceholderHandler::ShowPlaceholderText(*this);
}
void Controller::ClearFontData()