/*
- * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2016 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
// EXTERNAL INCLUDES
#include <dali/public-api/adaptor-framework/key.h>
#include <dali/integration-api/debug.h>
+#include <limits>
// INTERNAL INCLUDES
#include <dali-toolkit/internal/text/bidirectional-support.h>
#include <dali-toolkit/internal/text/character-set-conversion.h>
+#include <dali-toolkit/internal/text/color-segmentation.h>
+#include <dali-toolkit/internal/text/cursor-helper-functions.h>
#include <dali-toolkit/internal/text/multi-language-support.h>
#include <dali-toolkit/internal/text/segmentation.h>
#include <dali-toolkit/internal/text/shaper.h>
+#include <dali-toolkit/internal/text/text-run-container.h>
namespace
{
-#if defined(DEBUG_ENABLED)
- Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS");
-#endif
-
/**
- * @brief Some characters can be shaped in more than one glyph.
- * This struct is used to retrieve metrics from these group of glyphs.
+ * @brief Struct used to calculate the selection box.
*/
-struct GlyphMetrics
+struct SelectionBoxInfo
{
- GlyphMetrics()
- : fontHeight( 0.f ),
- advance( 0.f ),
- ascender( 0.f ),
- xBearing( 0.f )
- {}
-
- ~GlyphMetrics()
- {}
-
- float fontHeight; ///< The font's height of that glyphs.
- float advance; ///< The sum of all the advances of all the glyphs.
- float ascender; ///< The font's ascender.
- float xBearing; ///< The x bearing of the first glyph.
+ float lineOffset;
+ float lineHeight;
+ float minX;
+ float maxX;
};
+#if defined(DEBUG_ENABLED)
+ Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS");
+#endif
+
+const float MAX_FLOAT = std::numeric_limits<float>::max();
+const float MIN_FLOAT = std::numeric_limits<float>::min();
+const Dali::Toolkit::Text::CharacterDirection LTR = false; ///< Left To Right direction
+
} // namespace
namespace Dali
namespace Text
{
-/**
- * @brief Get some glyph's metrics of a group of glyphs formed as a result of shaping one character.
- *
- * @param[in] glyphIndex The index to the first glyph.
- * @param[in] numberOfGlyphs The number of glyphs.
- * @param[out] glyphMetrics Some glyph metrics (font height, advance, ascender and x bearing).
- * @param[in] visualModel The visual model.
- * @param[in] metrics Used to access metrics from FontClient.
- */
-void GetGlyphsMetrics( GlyphIndex glyphIndex,
- Length numberOfGlyphs,
- GlyphMetrics& glyphMetrics,
- VisualModelPtr& visualModel,
- MetricsPtr& metrics )
-{
- const GlyphInfo* glyphsBuffer = visualModel->mGlyphs.Begin();
-
- const GlyphInfo& firstGlyph = *( glyphsBuffer + glyphIndex );
-
- Text::FontMetrics fontMetrics;
- metrics->GetFontMetrics( firstGlyph.fontId, fontMetrics );
-
- glyphMetrics.fontHeight = fontMetrics.height;
- glyphMetrics.advance = firstGlyph.advance;
- glyphMetrics.ascender = fontMetrics.ascender;
- glyphMetrics.xBearing = firstGlyph.xBearing;
-
- for( unsigned int i = 1u; i < numberOfGlyphs; ++i )
- {
- const GlyphInfo& glyphInfo = *( glyphsBuffer + glyphIndex + i );
-
- glyphMetrics.advance += glyphInfo.advance;
- }
-}
-
EventData::EventData( DecoratorPtr decorator )
: mDecorator( decorator ),
+ mImfManager(),
mPlaceholderTextActive(),
mPlaceholderTextInactive(),
mPlaceholderTextColor( 0.8f, 0.8f, 0.8f, 0.8f ),
mEventQueue(),
- mScrollPosition(),
+ mInputStyleChangedQueue(),
mState( INACTIVE ),
mPrimaryCursorPosition( 0u ),
mLeftSelectionPosition( 0u ),
mRightSelectionPosition( 0u ),
mPreEditStartPosition( 0u ),
mPreEditLength( 0u ),
+ mCursorHookPositionX( 0.f ),
mIsShowingPlaceholderText( false ),
mPreEditFlag( false ),
mDecoratorUpdated( false ),
mGrabHandleEnabled( true ),
mGrabHandlePopupEnabled( true ),
mSelectionEnabled( true ),
- mHorizontalScrollingEnabled( true ),
- mVerticalScrollingEnabled( false ),
mUpdateCursorPosition( false ),
+ mUpdateGrabHandlePosition( false ),
mUpdateLeftSelectionPosition( false ),
mUpdateRightSelectionPosition( false ),
+ mIsLeftHandleSelected( false ),
+ mUpdateHighlightBox( false ),
mScrollAfterUpdatePosition( false ),
mScrollAfterDelete( false ),
- mAllTextSelected( false )
-{}
+ mAllTextSelected( false ),
+ mUpdateInputStyle( false )
+{
+ mImfManager = ImfManager::Get();
+}
EventData::~EventData()
{}
}
}
+ if( mEventData->mUpdateCursorPosition ||
+ mEventData->mUpdateHighlightBox )
+ {
+ NotifyImfManager();
+ }
+
// The cursor must also be repositioned after inserts into the model
if( mEventData->mUpdateCursorPosition )
{
// Updates the cursor position and scrolls the text to make it visible.
CursorInfo cursorInfo;
+ // Calculate the cursor position from the new cursor index.
GetCursorPosition( mEventData->mPrimaryCursorPosition,
cursorInfo );
- if( mEventData->mScrollAfterUpdatePosition )
+ if( mEventData->mUpdateCursorHookPosition )
{
- ScrollToMakePositionVisible( cursorInfo.primaryPosition );
- mEventData->mScrollAfterUpdatePosition = false;
+ // Update the cursor hook position. Used to move the cursor with the keys 'up' and 'down'.
+ mEventData->mCursorHookPositionX = cursorInfo.primaryPosition.x;
+ mEventData->mUpdateCursorHookPosition = false;
}
- else if( mEventData->mScrollAfterDelete )
+
+ // Scroll first the text after delete ...
+ if( mEventData->mScrollAfterDelete )
{
ScrollTextToMatchCursor( cursorInfo );
- mEventData->mScrollAfterDelete = false;
}
+ // ... then, text can be scrolled to make the cursor visible.
+ if( mEventData->mScrollAfterUpdatePosition )
+ {
+ const Vector2 currentCursorPosition( cursorInfo.primaryPosition.x, cursorInfo.lineOffset );
+ ScrollToMakePositionVisible( currentCursorPosition, cursorInfo.lineHeight );
+ }
+ mEventData->mScrollAfterUpdatePosition = false;
+ mEventData->mScrollAfterDelete = false;
+
UpdateCursorPosition( cursorInfo );
mEventData->mDecoratorUpdated = true;
mEventData->mUpdateCursorPosition = false;
+ mEventData->mUpdateGrabHandlePosition = false;
}
else
{
- bool leftScroll = false;
- bool rightScroll = false;
-
CursorInfo leftHandleInfo;
CursorInfo rightHandleInfo;
- if( mEventData->mUpdateLeftSelectionPosition )
+ if( mEventData->mUpdateHighlightBox )
{
GetCursorPosition( mEventData->mLeftSelectionPosition,
leftHandleInfo );
- if( mEventData->mScrollAfterUpdatePosition )
- {
- ScrollToMakePositionVisible( leftHandleInfo.primaryPosition );
- leftScroll = true;
- }
- }
-
- if( mEventData->mUpdateRightSelectionPosition )
- {
GetCursorPosition( mEventData->mRightSelectionPosition,
rightHandleInfo );
- if( mEventData->mScrollAfterUpdatePosition )
+ if( mEventData->mScrollAfterUpdatePosition && ( mEventData->mIsLeftHandleSelected ? mEventData->mUpdateLeftSelectionPosition : mEventData->mUpdateRightSelectionPosition ) )
{
- ScrollToMakePositionVisible( rightHandleInfo.primaryPosition );
- rightScroll = true;
+ CursorInfo& info = mEventData->mIsLeftHandleSelected ? leftHandleInfo : rightHandleInfo;
+
+ const Vector2 currentCursorPosition( info.primaryPosition.x, info.lineOffset );
+ ScrollToMakePositionVisible( currentCursorPosition, info.lineHeight );
}
}
SetPopupButtons();
mEventData->mDecoratorUpdated = true;
+ mEventData->mUpdateLeftSelectionPosition = false;
}
if( mEventData->mUpdateRightSelectionPosition )
SetPopupButtons();
mEventData->mDecoratorUpdated = true;
+ mEventData->mUpdateRightSelectionPosition = false;
}
- if( mEventData->mUpdateLeftSelectionPosition || mEventData->mUpdateRightSelectionPosition )
+ if( mEventData->mUpdateHighlightBox )
{
RepositionSelectionHandles();
mEventData->mUpdateLeftSelectionPosition = false;
mEventData->mUpdateRightSelectionPosition = false;
+ mEventData->mUpdateHighlightBox = false;
}
- if( leftScroll || rightScroll )
+ mEventData->mScrollAfterUpdatePosition = false;
+ }
+
+ if( mEventData->mUpdateInputStyle )
+ {
+ // Keep a copy of the current input style.
+ InputStyle currentInputStyle;
+ currentInputStyle.Copy( mEventData->mInputStyle );
+
+ // Set the default style first.
+ RetrieveDefaultInputStyle( mEventData->mInputStyle );
+
+ // Get the character index from the cursor index.
+ const CharacterIndex styleIndex = ( mEventData->mPrimaryCursorPosition > 0u ) ? mEventData->mPrimaryCursorPosition - 1u : 0u;
+
+ // Retrieve the style from the style runs stored in the logical model.
+ mLogicalModel->RetrieveStyle( styleIndex, mEventData->mInputStyle );
+
+ // Compare if the input style has changed.
+ const bool hasInputStyleChanged = !currentInputStyle.Equal( mEventData->mInputStyle );
+
+ if( hasInputStyleChanged )
{
- mEventData->mScrollAfterUpdatePosition = false;
+ const InputStyle::Mask styleChangedMask = currentInputStyle.GetInputStyleChangeMask( mEventData->mInputStyle );
+ // Queue the input style changed signal.
+ mEventData->mInputStyleChangedQueue.PushBack( styleChangedMask );
}
+
+ mEventData->mUpdateInputStyle = false;
}
mEventData->mEventQueue.clear();
return decoratorUpdated;
}
-void Controller::Impl::UpdateModel( OperationsMask operationsRequired )
+void Controller::Impl::NotifyImfManager()
+{
+ if( mEventData && mEventData->mImfManager )
+ {
+ CharacterIndex cursorPosition = GetLogicalCursorPosition();
+
+ const Length numberOfWhiteSpaces = GetNumberOfWhiteSpaces( 0u );
+
+ // Update the cursor position by removing the initial white spaces.
+ if( cursorPosition < numberOfWhiteSpaces )
+ {
+ cursorPosition = 0u;
+ }
+ else
+ {
+ cursorPosition -= numberOfWhiteSpaces;
+ }
+
+ mEventData->mImfManager.SetCursorPosition( cursorPosition );
+ mEventData->mImfManager.NotifyCursorPosition();
+ }
+}
+
+void Controller::Impl::NotifyImfMultiLineStatus()
+{
+ if ( mEventData )
+ {
+ LayoutEngine::Layout layout = mLayoutEngine.GetLayout();
+ mEventData->mImfManager.NotifyTextInputMultiLine( layout == LayoutEngine::MULTI_LINE_BOX );
+ }
+}
+
+CharacterIndex Controller::Impl::GetLogicalCursorPosition() const
+{
+ CharacterIndex cursorPosition = 0u;
+
+ if( mEventData )
+ {
+ if( ( EventData::SELECTING == mEventData->mState ) ||
+ ( EventData::SELECTION_HANDLE_PANNING == mEventData->mState ) )
+ {
+ cursorPosition = std::min( mEventData->mRightSelectionPosition, mEventData->mLeftSelectionPosition );
+ }
+ else
+ {
+ cursorPosition = mEventData->mPrimaryCursorPosition;
+ }
+ }
+
+ return cursorPosition;
+}
+
+Length Controller::Impl::GetNumberOfWhiteSpaces( CharacterIndex index ) const
+{
+ Length numberOfWhiteSpaces = 0u;
+
+ // Get the buffer to the text.
+ Character* utf32CharacterBuffer = mLogicalModel->mText.Begin();
+
+ const Length totalNumberOfCharacters = mLogicalModel->mText.Count();
+ for( ; index < totalNumberOfCharacters; ++index, ++numberOfWhiteSpaces )
+ {
+ if( !TextAbstraction::IsWhiteSpace( *( utf32CharacterBuffer + index ) ) )
+ {
+ break;
+ }
+ }
+
+ return numberOfWhiteSpaces;
+}
+
+void Controller::Impl::GetText( CharacterIndex index, std::string& text ) const
+{
+ // Get the total number of characters.
+ Length numberOfCharacters = mLogicalModel->mText.Count();
+
+ // Retrieve the text.
+ if( 0u != numberOfCharacters )
+ {
+ Utf32ToUtf8( mLogicalModel->mText.Begin() + index, numberOfCharacters - index, text );
+ }
+}
+
+void Controller::Impl::CalculateTextUpdateIndices( Length& numberOfCharacters )
+{
+ mTextUpdateInfo.mParagraphCharacterIndex = 0u;
+ mTextUpdateInfo.mStartGlyphIndex = 0u;
+ mTextUpdateInfo.mStartLineIndex = 0u;
+ numberOfCharacters = 0u;
+
+ const Length numberOfParagraphs = mLogicalModel->mParagraphInfo.Count();
+ if( 0u == numberOfParagraphs )
+ {
+ mTextUpdateInfo.mParagraphCharacterIndex = 0u;
+ numberOfCharacters = 0u;
+
+ mTextUpdateInfo.mRequestedNumberOfCharacters = mTextUpdateInfo.mNumberOfCharactersToAdd - mTextUpdateInfo.mNumberOfCharactersToRemove;
+
+ // Nothing else to do if there are no paragraphs.
+ return;
+ }
+
+ // Find the paragraphs to be updated.
+ Vector<ParagraphRunIndex> paragraphsToBeUpdated;
+ if( mTextUpdateInfo.mCharacterIndex >= mTextUpdateInfo.mPreviousNumberOfCharacters )
+ {
+ // Text is being added at the end of the current text.
+ if( mTextUpdateInfo.mIsLastCharacterNewParagraph )
+ {
+ // Text is being added in a new paragraph after the last character of the text.
+ mTextUpdateInfo.mParagraphCharacterIndex = mTextUpdateInfo.mPreviousNumberOfCharacters;
+ numberOfCharacters = 0u;
+ mTextUpdateInfo.mRequestedNumberOfCharacters = mTextUpdateInfo.mNumberOfCharactersToAdd - mTextUpdateInfo.mNumberOfCharactersToRemove;
+
+ mTextUpdateInfo.mStartGlyphIndex = mVisualModel->mGlyphs.Count();
+ mTextUpdateInfo.mStartLineIndex = mVisualModel->mLines.Count() - 1u;
+
+ // Nothing else to do;
+ return;
+ }
+
+ paragraphsToBeUpdated.PushBack( numberOfParagraphs - 1u );
+ }
+ else
+ {
+ Length numberOfCharactersToUpdate = 0u;
+ if( mTextUpdateInfo.mFullRelayoutNeeded )
+ {
+ numberOfCharactersToUpdate = mTextUpdateInfo.mPreviousNumberOfCharacters;
+ }
+ else
+ {
+ numberOfCharactersToUpdate = ( mTextUpdateInfo.mNumberOfCharactersToRemove > 0u ) ? mTextUpdateInfo.mNumberOfCharactersToRemove : 1u;
+ }
+ mLogicalModel->FindParagraphs( mTextUpdateInfo.mCharacterIndex,
+ numberOfCharactersToUpdate,
+ paragraphsToBeUpdated );
+ }
+
+ if( 0u != paragraphsToBeUpdated.Count() )
+ {
+ const ParagraphRunIndex firstParagraphIndex = *( paragraphsToBeUpdated.Begin() );
+ const ParagraphRun& firstParagraph = *( mLogicalModel->mParagraphInfo.Begin() + firstParagraphIndex );
+ mTextUpdateInfo.mParagraphCharacterIndex = firstParagraph.characterRun.characterIndex;
+
+ ParagraphRunIndex lastParagraphIndex = *( paragraphsToBeUpdated.End() - 1u );
+ const ParagraphRun& lastParagraph = *( mLogicalModel->mParagraphInfo.Begin() + lastParagraphIndex );
+
+ if( ( mTextUpdateInfo.mNumberOfCharactersToRemove > 0u ) && // Some character are removed.
+ ( lastParagraphIndex < numberOfParagraphs - 1u ) && // There is a next paragraph.
+ ( ( lastParagraph.characterRun.characterIndex + lastParagraph.characterRun.numberOfCharacters ) == // The last removed character is the new paragraph character.
+ ( mTextUpdateInfo.mCharacterIndex + mTextUpdateInfo.mNumberOfCharactersToRemove ) ) )
+ {
+ // The new paragraph character of the last updated paragraph has been removed so is going to be merged with the next one.
+ const ParagraphRun& lastParagraph = *( mLogicalModel->mParagraphInfo.Begin() + lastParagraphIndex + 1u );
+
+ numberOfCharacters = lastParagraph.characterRun.characterIndex + lastParagraph.characterRun.numberOfCharacters - mTextUpdateInfo.mParagraphCharacterIndex;
+ }
+ else
+ {
+ numberOfCharacters = lastParagraph.characterRun.characterIndex + lastParagraph.characterRun.numberOfCharacters - mTextUpdateInfo.mParagraphCharacterIndex;
+ }
+ }
+
+ mTextUpdateInfo.mRequestedNumberOfCharacters = numberOfCharacters + mTextUpdateInfo.mNumberOfCharactersToAdd - mTextUpdateInfo.mNumberOfCharactersToRemove;
+ mTextUpdateInfo.mStartGlyphIndex = *( mVisualModel->mCharactersToGlyph.Begin() + mTextUpdateInfo.mParagraphCharacterIndex );
+}
+
+void Controller::Impl::ClearFullModelData( OperationsMask operations )
+{
+ if( NO_OPERATION != ( GET_LINE_BREAKS & operations ) )
+ {
+ mLogicalModel->mLineBreakInfo.Clear();
+ mLogicalModel->mParagraphInfo.Clear();
+ }
+
+ if( NO_OPERATION != ( GET_WORD_BREAKS & operations ) )
+ {
+ mLogicalModel->mLineBreakInfo.Clear();
+ }
+
+ if( NO_OPERATION != ( GET_SCRIPTS & operations ) )
+ {
+ mLogicalModel->mScriptRuns.Clear();
+ }
+
+ if( NO_OPERATION != ( VALIDATE_FONTS & operations ) )
+ {
+ mLogicalModel->mFontRuns.Clear();
+ }
+
+ if( 0u != mLogicalModel->mBidirectionalParagraphInfo.Count() )
+ {
+ if( NO_OPERATION != ( BIDI_INFO & operations ) )
+ {
+ mLogicalModel->mBidirectionalParagraphInfo.Clear();
+ mLogicalModel->mCharacterDirections.Clear();
+ }
+
+ if( NO_OPERATION != ( REORDER & operations ) )
+ {
+ // Free the allocated memory used to store the conversion table in the bidirectional line info run.
+ for( Vector<BidirectionalLineInfoRun>::Iterator it = mLogicalModel->mBidirectionalLineInfo.Begin(),
+ endIt = mLogicalModel->mBidirectionalLineInfo.End();
+ it != endIt;
+ ++it )
+ {
+ BidirectionalLineInfoRun& bidiLineInfo = *it;
+
+ free( bidiLineInfo.visualToLogicalMap );
+ bidiLineInfo.visualToLogicalMap = NULL;
+ }
+ mLogicalModel->mBidirectionalLineInfo.Clear();
+ }
+ }
+
+ if( NO_OPERATION != ( SHAPE_TEXT & operations ) )
+ {
+ mVisualModel->mGlyphs.Clear();
+ mVisualModel->mGlyphsToCharacters.Clear();
+ mVisualModel->mCharactersToGlyph.Clear();
+ mVisualModel->mCharactersPerGlyph.Clear();
+ mVisualModel->mGlyphsPerCharacter.Clear();
+ mVisualModel->mGlyphPositions.Clear();
+ }
+
+ if( NO_OPERATION != ( LAYOUT & operations ) )
+ {
+ mVisualModel->mLines.Clear();
+ }
+
+ if( NO_OPERATION != ( COLOR & operations ) )
+ {
+ mVisualModel->mColorIndices.Clear();
+ }
+}
+
+void Controller::Impl::ClearCharacterModelData( CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations )
+{
+ const CharacterIndex endIndexPlusOne = endIndex + 1u;
+
+ if( NO_OPERATION != ( GET_LINE_BREAKS & operations ) )
+ {
+ // Clear the line break info.
+ LineBreakInfo* lineBreakInfoBuffer = mLogicalModel->mLineBreakInfo.Begin();
+
+ mLogicalModel->mLineBreakInfo.Erase( lineBreakInfoBuffer + startIndex,
+ lineBreakInfoBuffer + endIndexPlusOne );
+
+ // Clear the paragraphs.
+ ClearCharacterRuns( startIndex,
+ endIndex,
+ mLogicalModel->mParagraphInfo );
+ }
+
+ if( NO_OPERATION != ( GET_WORD_BREAKS & operations ) )
+ {
+ // Clear the word break info.
+ WordBreakInfo* wordBreakInfoBuffer = mLogicalModel->mWordBreakInfo.Begin();
+
+ mLogicalModel->mWordBreakInfo.Erase( wordBreakInfoBuffer + startIndex,
+ wordBreakInfoBuffer + endIndexPlusOne );
+ }
+
+ if( NO_OPERATION != ( GET_SCRIPTS & operations ) )
+ {
+ // Clear the scripts.
+ ClearCharacterRuns( startIndex,
+ endIndex,
+ mLogicalModel->mScriptRuns );
+ }
+
+ if( NO_OPERATION != ( VALIDATE_FONTS & operations ) )
+ {
+ // Clear the fonts.
+ ClearCharacterRuns( startIndex,
+ endIndex,
+ mLogicalModel->mFontRuns );
+ }
+
+ if( 0u != mLogicalModel->mBidirectionalParagraphInfo.Count() )
+ {
+ if( NO_OPERATION != ( BIDI_INFO & operations ) )
+ {
+ // Clear the bidirectional paragraph info.
+ ClearCharacterRuns( startIndex,
+ endIndex,
+ mLogicalModel->mBidirectionalParagraphInfo );
+
+ // Clear the character's directions.
+ CharacterDirection* characterDirectionsBuffer = mLogicalModel->mCharacterDirections.Begin();
+
+ mLogicalModel->mCharacterDirections.Erase( characterDirectionsBuffer + startIndex,
+ characterDirectionsBuffer + endIndexPlusOne );
+ }
+
+ if( NO_OPERATION != ( REORDER & operations ) )
+ {
+ uint32_t startRemoveIndex = mLogicalModel->mBidirectionalLineInfo.Count();
+ uint32_t endRemoveIndex = startRemoveIndex;
+ ClearCharacterRuns( startIndex,
+ endIndex,
+ mLogicalModel->mBidirectionalLineInfo,
+ startRemoveIndex,
+ endRemoveIndex );
+
+ BidirectionalLineInfoRun* bidirectionalLineInfoBuffer = mLogicalModel->mBidirectionalLineInfo.Begin();
+
+ // Free the allocated memory used to store the conversion table in the bidirectional line info run.
+ for( Vector<BidirectionalLineInfoRun>::Iterator it = bidirectionalLineInfoBuffer + startRemoveIndex,
+ endIt = bidirectionalLineInfoBuffer + endRemoveIndex;
+ it != endIt;
+ ++it )
+ {
+ BidirectionalLineInfoRun& bidiLineInfo = *it;
+
+ free( bidiLineInfo.visualToLogicalMap );
+ bidiLineInfo.visualToLogicalMap = NULL;
+ }
+
+ mLogicalModel->mBidirectionalLineInfo.Erase( bidirectionalLineInfoBuffer + startRemoveIndex,
+ bidirectionalLineInfoBuffer + endRemoveIndex );
+ }
+ }
+}
+
+void Controller::Impl::ClearGlyphModelData( CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations )
+{
+ const CharacterIndex endIndexPlusOne = endIndex + 1u;
+ const Length numberOfCharactersRemoved = endIndexPlusOne - startIndex;
+
+ // Convert the character index to glyph index before deleting the character to glyph and the glyphs per character buffers.
+ GlyphIndex* charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin();
+ Length* glyphsPerCharacterBuffer = mVisualModel->mGlyphsPerCharacter.Begin();
+
+ const GlyphIndex endGlyphIndexPlusOne = *( charactersToGlyphBuffer + endIndex ) + *( glyphsPerCharacterBuffer + endIndex );
+ const Length numberOfGlyphsRemoved = endGlyphIndexPlusOne - mTextUpdateInfo.mStartGlyphIndex;
+
+ if( NO_OPERATION != ( SHAPE_TEXT & operations ) )
+ {
+ // Update the character to glyph indices.
+ for( Vector<GlyphIndex>::Iterator it = charactersToGlyphBuffer + endIndexPlusOne,
+ endIt = charactersToGlyphBuffer + mVisualModel->mCharactersToGlyph.Count();
+ it != endIt;
+ ++it )
+ {
+ CharacterIndex& index = *it;
+ index -= numberOfGlyphsRemoved;
+ }
+
+ // Clear the character to glyph conversion table.
+ mVisualModel->mCharactersToGlyph.Erase( charactersToGlyphBuffer + startIndex,
+ charactersToGlyphBuffer + endIndexPlusOne );
+
+ // Clear the glyphs per character table.
+ mVisualModel->mGlyphsPerCharacter.Erase( glyphsPerCharacterBuffer + startIndex,
+ glyphsPerCharacterBuffer + endIndexPlusOne );
+
+ // Clear the glyphs buffer.
+ GlyphInfo* glyphsBuffer = mVisualModel->mGlyphs.Begin();
+ mVisualModel->mGlyphs.Erase( glyphsBuffer + mTextUpdateInfo.mStartGlyphIndex,
+ glyphsBuffer + endGlyphIndexPlusOne );
+
+ CharacterIndex* glyphsToCharactersBuffer = mVisualModel->mGlyphsToCharacters.Begin();
+
+ // Update the glyph to character indices.
+ for( Vector<CharacterIndex>::Iterator it = glyphsToCharactersBuffer + endGlyphIndexPlusOne,
+ endIt = glyphsToCharactersBuffer + mVisualModel->mGlyphsToCharacters.Count();
+ it != endIt;
+ ++it )
+ {
+ CharacterIndex& index = *it;
+ index -= numberOfCharactersRemoved;
+ }
+
+ // Clear the glyphs to characters buffer.
+ mVisualModel->mGlyphsToCharacters.Erase( glyphsToCharactersBuffer + mTextUpdateInfo.mStartGlyphIndex,
+ glyphsToCharactersBuffer + endGlyphIndexPlusOne );
+
+ // Clear the characters per glyph buffer.
+ Length* charactersPerGlyphBuffer = mVisualModel->mCharactersPerGlyph.Begin();
+ mVisualModel->mCharactersPerGlyph.Erase( charactersPerGlyphBuffer + mTextUpdateInfo.mStartGlyphIndex,
+ charactersPerGlyphBuffer + endGlyphIndexPlusOne );
+
+ // Clear the positions buffer.
+ Vector2* positionsBuffer = mVisualModel->mGlyphPositions.Begin();
+ mVisualModel->mGlyphPositions.Erase( positionsBuffer + mTextUpdateInfo.mStartGlyphIndex,
+ positionsBuffer + endGlyphIndexPlusOne );
+ }
+
+ if( NO_OPERATION != ( LAYOUT & operations ) )
+ {
+ // Clear the lines.
+ uint32_t startRemoveIndex = mVisualModel->mLines.Count();
+ uint32_t endRemoveIndex = startRemoveIndex;
+ ClearCharacterRuns( startIndex,
+ endIndex,
+ mVisualModel->mLines,
+ startRemoveIndex,
+ endRemoveIndex );
+
+ // Will update the glyph runs.
+ startRemoveIndex = mVisualModel->mLines.Count();
+ endRemoveIndex = startRemoveIndex;
+ ClearGlyphRuns( mTextUpdateInfo.mStartGlyphIndex,
+ endGlyphIndexPlusOne - 1u,
+ mVisualModel->mLines,
+ startRemoveIndex,
+ endRemoveIndex );
+
+ // Set the line index from where to insert the new laid-out lines.
+ mTextUpdateInfo.mStartLineIndex = startRemoveIndex;
+
+ LineRun* linesBuffer = mVisualModel->mLines.Begin();
+ mVisualModel->mLines.Erase( linesBuffer + startRemoveIndex,
+ linesBuffer + endRemoveIndex );
+ }
+
+ if( NO_OPERATION != ( COLOR & operations ) )
+ {
+ if( 0u != mVisualModel->mColorIndices.Count() )
+ {
+ ColorIndex* colorIndexBuffer = mVisualModel->mColorIndices.Begin();
+ mVisualModel->mColorIndices.Erase( colorIndexBuffer + mTextUpdateInfo.mStartGlyphIndex,
+ colorIndexBuffer + endGlyphIndexPlusOne );
+ }
+ }
+}
+
+void Controller::Impl::ClearModelData( CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations )
+{
+ if( mTextUpdateInfo.mClearAll ||
+ ( ( 0u == startIndex ) &&
+ ( mTextUpdateInfo.mPreviousNumberOfCharacters == endIndex + 1u ) ) )
+ {
+ ClearFullModelData( operations );
+ }
+ else
+ {
+ // Clear the model data related with characters.
+ ClearCharacterModelData( startIndex, endIndex, operations );
+
+ // Clear the model data related with glyphs.
+ ClearGlyphModelData( startIndex, endIndex, operations );
+ }
+
+ // The estimated number of lines. Used to avoid reallocations when layouting.
+ mTextUpdateInfo.mEstimatedNumberOfLines = std::max( mVisualModel->mLines.Count(), mLogicalModel->mParagraphInfo.Count() );
+
+ mVisualModel->ClearCaches();
+}
+
+bool Controller::Impl::UpdateModel( OperationsMask operationsRequired )
{
DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::UpdateModel\n" );
// Calculate the operations to be done.
const OperationsMask operations = static_cast<OperationsMask>( mOperationsPending & operationsRequired );
+ if( NO_OPERATION == operations )
+ {
+ // Nothing to do if no operations are pending and required.
+ return false;
+ }
+
Vector<Character>& utf32Characters = mLogicalModel->mText;
const Length numberOfCharacters = utf32Characters.Count();
+ // Index to the first character of the first paragraph to be updated.
+ CharacterIndex startIndex = 0u;
+ // Number of characters of the paragraphs to be removed.
+ Length paragraphCharacters = 0u;
+
+ CalculateTextUpdateIndices( paragraphCharacters );
+ startIndex = mTextUpdateInfo.mParagraphCharacterIndex;
+
+ if( mTextUpdateInfo.mClearAll ||
+ ( 0u != paragraphCharacters ) )
+ {
+ ClearModelData( startIndex, startIndex + ( ( paragraphCharacters > 0u ) ? paragraphCharacters - 1u : 0u ), operations );
+ }
+
+ mTextUpdateInfo.mClearAll = false;
+
+ // Whether the model is updated.
+ bool updated = false;
+
Vector<LineBreakInfo>& lineBreakInfo = mLogicalModel->mLineBreakInfo;
- if( GET_LINE_BREAKS & operations )
+ const Length requestedNumberOfCharacters = mTextUpdateInfo.mRequestedNumberOfCharacters;
+
+ if( NO_OPERATION != ( GET_LINE_BREAKS & operations ) )
{
// Retrieves the line break info. The line break info is used to split the text in 'paragraphs' to
// calculate the bidirectional info for each 'paragraph'.
lineBreakInfo.Resize( numberOfCharacters, TextAbstraction::LINE_NO_BREAK );
SetLineBreakInfo( utf32Characters,
+ startIndex,
+ requestedNumberOfCharacters,
lineBreakInfo );
+
+ // Create the paragraph info.
+ mLogicalModel->CreateParagraphInfo( startIndex,
+ requestedNumberOfCharacters );
+ updated = true;
}
Vector<WordBreakInfo>& wordBreakInfo = mLogicalModel->mWordBreakInfo;
- if( GET_WORD_BREAKS & operations )
+ if( NO_OPERATION != ( GET_WORD_BREAKS & operations ) )
{
// Retrieves the word break info. The word break info is used to layout the text (where to wrap the text in lines).
wordBreakInfo.Resize( numberOfCharacters, TextAbstraction::WORD_NO_BREAK );
SetWordBreakInfo( utf32Characters,
+ startIndex,
+ requestedNumberOfCharacters,
wordBreakInfo );
+ updated = true;
}
- const bool getScripts = GET_SCRIPTS & operations;
- const bool validateFonts = VALIDATE_FONTS & operations;
+ const bool getScripts = NO_OPERATION != ( GET_SCRIPTS & operations );
+ const bool validateFonts = NO_OPERATION != ( VALIDATE_FONTS & operations );
Vector<ScriptRun>& scripts = mLogicalModel->mScriptRuns;
Vector<FontRun>& validFonts = mLogicalModel->mFontRuns;
{
// Retrieves the scripts used in the text.
multilanguageSupport.SetScripts( utf32Characters,
+ startIndex,
+ requestedNumberOfCharacters,
scripts );
}
if( validateFonts )
{
- if( 0u == validFonts.Count() )
+ // Validate the fonts set through the mark-up string.
+ Vector<FontDescriptionRun>& fontDescriptionRuns = mLogicalModel->mFontDescriptionRuns;
+
+ // Get the default font's description.
+ TextAbstraction::FontDescription defaultFontDescription;
+ TextAbstraction::PointSize26Dot6 defaultPointSize = TextAbstraction::FontClient::DEFAULT_POINT_SIZE;
+ if( NULL != mFontDefaults )
{
- // Copy the requested font defaults received via the property system.
- // These may not be valid i.e. may not contain glyphs for the necessary scripts.
- GetDefaultFonts( validFonts, numberOfCharacters );
+ defaultFontDescription = mFontDefaults->mFontDescription;
+ defaultPointSize = mFontDefaults->mDefaultPointSize * 64u;
}
// Validates the fonts. If there is a character with no assigned font it sets a default one.
// After this call, fonts are validated.
multilanguageSupport.ValidateFonts( utf32Characters,
scripts,
+ fontDescriptionRuns,
+ defaultFontDescription,
+ defaultPointSize,
+ startIndex,
+ requestedNumberOfCharacters,
validFonts );
}
+ updated = true;
}
Vector<Character> mirroredUtf32Characters;
bool textMirrored = false;
- Length numberOfParagraphs = 0u;
- if( BIDI_INFO & operations )
+ const Length numberOfParagraphs = mLogicalModel->mParagraphInfo.Count();
+ if( NO_OPERATION != ( BIDI_INFO & operations ) )
{
- // Count the number of LINE_NO_BREAK to reserve some space for the vector of paragraph's
- // bidirectional info.
-
- const TextAbstraction::LineBreakInfo* lineBreakInfoBuffer = lineBreakInfo.Begin();
- for( Length index = 0u; index < numberOfCharacters; ++index )
- {
- if( TextAbstraction::LINE_NO_BREAK == *( lineBreakInfoBuffer + index ) )
- {
- ++numberOfParagraphs;
- }
- }
-
Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo = mLogicalModel->mBidirectionalParagraphInfo;
bidirectionalInfo.Reserve( numberOfParagraphs );
SetBidirectionalInfo( utf32Characters,
scripts,
lineBreakInfo,
+ startIndex,
+ requestedNumberOfCharacters,
bidirectionalInfo );
if( 0u != bidirectionalInfo.Count() )
{
- // This paragraph has right to left text. Some characters may need to be mirrored.
- // TODO: consider if the mirrored string can be stored as well.
-
- textMirrored = GetMirroredText( utf32Characters,
- mirroredUtf32Characters,
- bidirectionalInfo );
-
// Only set the character directions if there is right to left characters.
Vector<CharacterDirection>& directions = mLogicalModel->mCharacterDirections;
- directions.Resize( numberOfCharacters );
-
GetCharactersDirection( bidirectionalInfo,
+ numberOfCharacters,
+ startIndex,
+ requestedNumberOfCharacters,
directions );
+
+ // This paragraph has right to left text. Some characters may need to be mirrored.
+ // TODO: consider if the mirrored string can be stored as well.
+
+ textMirrored = GetMirroredText( utf32Characters,
+ directions,
+ bidirectionalInfo,
+ startIndex,
+ requestedNumberOfCharacters,
+ mirroredUtf32Characters );
}
else
{
// There is no right to left characters. Clear the directions vector.
mLogicalModel->mCharacterDirections.Clear();
}
+ updated = true;
}
Vector<GlyphInfo>& glyphs = mVisualModel->mGlyphs;
Vector<GlyphIndex> newParagraphGlyphs;
newParagraphGlyphs.Reserve( numberOfParagraphs );
- if( SHAPE_TEXT & operations )
+ const Length currentNumberOfGlyphs = glyphs.Count();
+ if( NO_OPERATION != ( SHAPE_TEXT & operations ) )
{
const Vector<Character>& textToShape = textMirrored ? mirroredUtf32Characters : utf32Characters;
// Shapes the text.
lineBreakInfo,
scripts,
validFonts,
+ startIndex,
+ mTextUpdateInfo.mStartGlyphIndex,
+ requestedNumberOfCharacters,
glyphs,
glyphsToCharactersMap,
charactersPerGlyph,
newParagraphGlyphs );
// Create the 'number of glyphs' per character and the glyph to character conversion tables.
- mVisualModel->CreateGlyphsPerCharacterTable( numberOfCharacters );
- mVisualModel->CreateCharacterToGlyphTable( numberOfCharacters );
+ mVisualModel->CreateGlyphsPerCharacterTable( startIndex, mTextUpdateInfo.mStartGlyphIndex, requestedNumberOfCharacters );
+ mVisualModel->CreateCharacterToGlyphTable( startIndex, mTextUpdateInfo.mStartGlyphIndex, requestedNumberOfCharacters );
+ updated = true;
}
- const Length numberOfGlyphs = glyphs.Count();
+ const Length numberOfGlyphs = glyphs.Count() - currentNumberOfGlyphs;
- if( GET_GLYPH_METRICS & operations )
+ if( NO_OPERATION != ( GET_GLYPH_METRICS & operations ) )
{
GlyphInfo* glyphsBuffer = glyphs.Begin();
- mMetrics->GetGlyphMetrics( glyphsBuffer, numberOfGlyphs );
+ mMetrics->GetGlyphMetrics( glyphsBuffer + mTextUpdateInfo.mStartGlyphIndex, numberOfGlyphs );
// Update the width and advance of all new paragraph characters.
for( Vector<GlyphIndex>::ConstIterator it = newParagraphGlyphs.Begin(), endIt = newParagraphGlyphs.End(); it != endIt; ++it )
glyph.width = 0.f;
glyph.advance = 0.f;
}
+ updated = true;
+ }
+
+ if( NO_OPERATION != ( COLOR & operations ) )
+ {
+ // Set the color runs in glyphs.
+ SetColorSegmentationInfo( mLogicalModel->mColorRuns,
+ mVisualModel->mCharactersToGlyph,
+ mVisualModel->mGlyphsPerCharacter,
+ startIndex,
+ mTextUpdateInfo.mStartGlyphIndex,
+ requestedNumberOfCharacters,
+ mVisualModel->mColors,
+ mVisualModel->mColorIndices );
+
+ updated = true;
}
- if( mEventData &&
+ if( ( NULL != mEventData ) &&
mEventData->mPreEditFlag &&
( 0u != mVisualModel->mCharactersToGlyph.Count() ) )
{
// TODO: At the moment the underline runs are only for pre-edit.
mVisualModel->mUnderlineRuns.PushBack( underlineRun );
}
+
+ // The estimated number of lines. Used to avoid reallocations when layouting.
+ mTextUpdateInfo.mEstimatedNumberOfLines = std::max( mVisualModel->mLines.Count(), mLogicalModel->mParagraphInfo.Count() );
+
+ // Set the previous number of characters for the next time the text is updated.
+ mTextUpdateInfo.mPreviousNumberOfCharacters = numberOfCharacters;
+
+ return updated;
}
-void Controller::Impl::GetDefaultFonts( Vector<FontRun>& fonts, Length numberOfCharacters )
+void Controller::Impl::RetrieveDefaultInputStyle( InputStyle& inputStyle )
{
+ // Sets the default text's color.
+ inputStyle.textColor = mTextColor;
+ inputStyle.isDefaultColor = true;
+
+ inputStyle.familyName.clear();
+ inputStyle.weight = TextAbstraction::FontWeight::NORMAL;
+ inputStyle.width = TextAbstraction::FontWidth::NORMAL;
+ inputStyle.slant = TextAbstraction::FontSlant::NORMAL;
+ inputStyle.size = 0.f;
+
+ inputStyle.lineSpacing = 0.f;
+
+ inputStyle.underlineProperties.clear();
+ inputStyle.shadowProperties.clear();
+ inputStyle.embossProperties.clear();
+ inputStyle.outlineProperties.clear();
+
+ inputStyle.isFamilyDefined = false;
+ inputStyle.isWeightDefined = false;
+ inputStyle.isWidthDefined = false;
+ inputStyle.isSlantDefined = false;
+ inputStyle.isSizeDefined = false;
+
+ inputStyle.isLineSpacingDefined = false;
+
+ inputStyle.isUnderlineDefined = false;
+ inputStyle.isShadowDefined = false;
+ inputStyle.isEmbossDefined = false;
+ inputStyle.isOutlineDefined = false;
+
+ // Sets the default font's family name, weight, width, slant and size.
if( mFontDefaults )
{
- DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::GetDefaultFonts font family(%s)\n", mFontDefaults->mFontDescription.family.c_str() );
- FontRun fontRun;
- fontRun.characterRun.characterIndex = 0;
- fontRun.characterRun.numberOfCharacters = numberOfCharacters;
- fontRun.fontId = mFontDefaults->GetFontId( mFontClient );
- fontRun.isDefault = true;
+ if( mFontDefaults->familyDefined )
+ {
+ inputStyle.familyName = mFontDefaults->mFontDescription.family;
+ inputStyle.isFamilyDefined = true;
+ }
+
+ if( mFontDefaults->weightDefined )
+ {
+ inputStyle.weight = mFontDefaults->mFontDescription.weight;
+ inputStyle.isWeightDefined = true;
+ }
- fonts.PushBack( fontRun );
+ if( mFontDefaults->widthDefined )
+ {
+ inputStyle.width = mFontDefaults->mFontDescription.width;
+ inputStyle.isWidthDefined = true;
+ }
+
+ if( mFontDefaults->slantDefined )
+ {
+ inputStyle.slant = mFontDefaults->mFontDescription.slant;
+ inputStyle.isSlantDefined = true;
+ }
+
+ if( mFontDefaults->sizeDefined )
+ {
+ inputStyle.size = mFontDefaults->mDefaultPointSize;
+ inputStyle.isSizeDefined = true;
+ }
}
}
}
else if( Dali::DALI_KEY_CURSOR_UP == keyCode )
{
- // TODO
+ // Get first the line index of the current cursor position index.
+ CharacterIndex characterIndex = 0u;
+
+ if( mEventData->mPrimaryCursorPosition > 0u )
+ {
+ characterIndex = mEventData->mPrimaryCursorPosition - 1u;
+ }
+
+ const LineIndex lineIndex = mVisualModel->GetLineOfCharacter( characterIndex );
+
+ if( lineIndex > 0u )
+ {
+ // Retrieve the cursor position info.
+ CursorInfo cursorInfo;
+ GetCursorPosition( mEventData->mPrimaryCursorPosition,
+ cursorInfo );
+
+ // Get the line above.
+ const LineRun& line = *( mVisualModel->mLines.Begin() + ( lineIndex - 1u ) );
+
+ // Get the next hit 'y' point.
+ const float hitPointY = cursorInfo.lineOffset - 0.5f * ( line.ascender - line.descender );
+
+ // Use the cursor hook position 'x' and the next hit 'y' position to calculate the new cursor index.
+ mEventData->mPrimaryCursorPosition = Text::GetClosestCursorIndex( mVisualModel,
+ mLogicalModel,
+ mMetrics,
+ mEventData->mCursorHookPositionX,
+ hitPointY );
+ }
}
else if( Dali::DALI_KEY_CURSOR_DOWN == keyCode )
{
- // TODO
+ // Get first the line index of the current cursor position index.
+ CharacterIndex characterIndex = 0u;
+
+ if( mEventData->mPrimaryCursorPosition > 0u )
+ {
+ characterIndex = mEventData->mPrimaryCursorPosition - 1u;
+ }
+
+ const LineIndex lineIndex = mVisualModel->GetLineOfCharacter( characterIndex );
+
+ if( lineIndex + 1u < mVisualModel->mLines.Count() )
+ {
+ // Retrieve the cursor position info.
+ CursorInfo cursorInfo;
+ GetCursorPosition( mEventData->mPrimaryCursorPosition,
+ cursorInfo );
+
+ // Get the line below.
+ const LineRun& line = *( mVisualModel->mLines.Begin() + lineIndex + 1u );
+
+ // Get the next hit 'y' point.
+ const float hitPointY = cursorInfo.lineOffset + cursorInfo.lineHeight + 0.5f * ( line.ascender - line.descender );
+
+ // Use the cursor hook position 'x' and the next hit 'y' position to calculate the new cursor index.
+ mEventData->mPrimaryCursorPosition = Text::GetClosestCursorIndex( mVisualModel,
+ mLogicalModel,
+ mMetrics,
+ mEventData->mCursorHookPositionX,
+ hitPointY );
+ }
}
mEventData->mUpdateCursorPosition = true;
+ mEventData->mUpdateInputStyle = true;
mEventData->mScrollAfterUpdatePosition = true;
}
{
if( IsShowingRealText() )
{
- const float xPosition = event.p2.mFloat - mEventData->mScrollPosition.x - mAlignmentOffset.x;
- const float yPosition = event.p3.mFloat - mEventData->mScrollPosition.y - mAlignmentOffset.y;
+ // Convert from control's coords to text's coords.
+ const float xPosition = event.p2.mFloat - mScrollPosition.x;
+ const float yPosition = event.p3.mFloat - mScrollPosition.y;
+
+ // Keep the tap 'x' position. Used to move the cursor.
+ mEventData->mCursorHookPositionX = xPosition;
- mEventData->mPrimaryCursorPosition = GetClosestCursorIndex( xPosition,
- yPosition );
+ mEventData->mPrimaryCursorPosition = Text::GetClosestCursorIndex( mVisualModel,
+ mLogicalModel,
+ mMetrics,
+ xPosition,
+ yPosition );
// When the cursor position is changing, delay cursor blinking
mEventData->mDecorator->DelayCursorBlink();
}
mEventData->mUpdateCursorPosition = true;
+ mEventData->mUpdateGrabHandlePosition = true;
mEventData->mScrollAfterUpdatePosition = true;
+ mEventData->mUpdateInputStyle = true;
+
+ // Notify the cursor position to the imf manager.
+ if( mEventData->mImfManager )
+ {
+ mEventData->mImfManager.SetCursorPosition( mEventData->mPrimaryCursorPosition );
+ mEventData->mImfManager.NotifyCursorPosition();
+ }
}
}
}
return;
}
- int state = event.p1.mInt;
+ const bool isHorizontalScrollEnabled = mEventData->mDecorator->IsHorizontalScrollEnabled();
+ const bool isVerticalScrollEnabled = mEventData->mDecorator->IsVerticalScrollEnabled();
- if( Gesture::Started == state ||
- Gesture::Continuing == state )
+ if( !isHorizontalScrollEnabled && !isVerticalScrollEnabled )
{
- const Vector2& actualSize = mVisualModel->GetActualSize();
- const Vector2 currentScroll = mEventData->mScrollPosition;
+ // Nothing to do if scrolling is not enabled.
+ return;
+ }
- if( mEventData->mHorizontalScrollingEnabled )
- {
- const float displacementX = event.p2.mFloat;
- mEventData->mScrollPosition.x += displacementX;
+ const int state = event.p1.mInt;
- ClampHorizontalScroll( actualSize );
+ switch( state )
+ {
+ case Gesture::Started:
+ {
+ // Will remove the cursor, handles or text's popup, ...
+ ChangeState( EventData::TEXT_PANNING );
+ break;
}
-
- if( mEventData->mVerticalScrollingEnabled )
+ case Gesture::Continuing:
{
- const float displacementY = event.p3.mFloat;
- mEventData->mScrollPosition.y += displacementY;
+ const Vector2& layoutSize = mVisualModel->GetLayoutSize();
+ const Vector2 currentScroll = mScrollPosition;
- ClampVerticalScroll( actualSize );
- }
+ if( isHorizontalScrollEnabled )
+ {
+ const float displacementX = event.p2.mFloat;
+ mScrollPosition.x += displacementX;
+
+ ClampHorizontalScroll( layoutSize );
+ }
+
+ if( isVerticalScrollEnabled )
+ {
+ const float displacementY = event.p3.mFloat;
+ mScrollPosition.y += displacementY;
- if( mEventData->mDecorator )
+ ClampVerticalScroll( layoutSize );
+ }
+
+ mEventData->mDecorator->UpdatePositions( mScrollPosition - currentScroll );
+ break;
+ }
+ case Gesture::Finished:
+ case Gesture::Cancelled: // FALLTHROUGH
{
- mEventData->mDecorator->UpdatePositions( mEventData->mScrollPosition - currentScroll );
+ // Will go back to the previous state to show the cursor, handles, the text's popup, ...
+ ChangeState( mEventData->mPreviousState );
+ break;
}
+ default:
+ break;
}
}
void Controller::Impl::OnLongPressEvent( const Event& event )
{
- if ( EventData::EDITING == mEventData->mState )
+ DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::OnLongPressEvent\n" );
+
+ if( EventData::EDITING == mEventData->mState )
{
ChangeState ( EventData::EDITING_WITH_POPUP );
mEventData->mDecoratorUpdated = true;
const unsigned int state = event.p1.mUint;
const bool handleStopScrolling = ( HANDLE_STOP_SCROLLING == state );
+ const bool isSmoothHandlePanEnabled = mEventData->mDecorator->IsSmoothHandlePanEnabled();
if( HANDLE_PRESSED == state )
{
- // The event.p2 and event.p3 are in decorator coords. Need to transforms to text coords.
- const float xPosition = event.p2.mFloat - mEventData->mScrollPosition.x - mAlignmentOffset.x;
- const float yPosition = event.p3.mFloat - mEventData->mScrollPosition.y - mAlignmentOffset.y;
+ // Convert from decorator's coords to text's coords.
+ const float xPosition = event.p2.mFloat - mScrollPosition.x;
+ const float yPosition = event.p3.mFloat - mScrollPosition.y;
- const CharacterIndex handleNewPosition = GetClosestCursorIndex( xPosition, yPosition );
+ // Need to calculate the handle's new position.
+ const CharacterIndex handleNewPosition = Text::GetClosestCursorIndex( mVisualModel,
+ mLogicalModel,
+ mMetrics,
+ xPosition,
+ yPosition );
if( Event::GRAB_HANDLE_EVENT == event.type )
{
if( handleNewPosition != mEventData->mPrimaryCursorPosition )
{
- mEventData->mPrimaryCursorPosition = handleNewPosition;
+ // Updates the cursor position if the handle's new position is different than the current one.
mEventData->mUpdateCursorPosition = true;
+ // Does not update the grab handle position if the smooth panning is enabled. (The decorator does it smooth).
+ mEventData->mUpdateGrabHandlePosition = !isSmoothHandlePanEnabled;
+ mEventData->mPrimaryCursorPosition = handleNewPosition;
}
+
+ // Updates the decorator if the soft handle panning is enabled. It triggers a relayout in the decorator and the new position of the handle is set.
+ mEventData->mDecoratorUpdated = isSmoothHandlePanEnabled;
}
else if( Event::LEFT_SELECTION_HANDLE_EVENT == event.type )
{
if( ( handleNewPosition != mEventData->mLeftSelectionPosition ) &&
( handleNewPosition != mEventData->mRightSelectionPosition ) )
{
+ // Updates the highlight box if the handle's new position is different than the current one.
+ mEventData->mUpdateHighlightBox = true;
+ // Does not update the selection handle position if the smooth panning is enabled. (The decorator does it smooth).
+ mEventData->mUpdateLeftSelectionPosition = !isSmoothHandlePanEnabled;
mEventData->mLeftSelectionPosition = handleNewPosition;
-
- mEventData->mUpdateLeftSelectionPosition = true;
}
+
+ // Updates the decorator if the soft handle panning is enabled. It triggers a relayout in the decorator and the new position of the handle is set.
+ mEventData->mDecoratorUpdated = isSmoothHandlePanEnabled;
+
+ // Will define the order to scroll the text to match the handle position.
+ mEventData->mIsLeftHandleSelected = true;
}
else if( Event::RIGHT_SELECTION_HANDLE_EVENT == event.type )
{
if( ( handleNewPosition != mEventData->mRightSelectionPosition ) &&
( handleNewPosition != mEventData->mLeftSelectionPosition ) )
{
+ // Updates the highlight box if the handle's new position is different than the current one.
+ mEventData->mUpdateHighlightBox = true;
+ // Does not update the selection handle position if the smooth panning is enabled. (The decorator does it smooth).
+ mEventData->mUpdateRightSelectionPosition = !isSmoothHandlePanEnabled;
mEventData->mRightSelectionPosition = handleNewPosition;
-
- mEventData->mUpdateRightSelectionPosition = true;
}
+
+ // Updates the decorator if the soft handle panning is enabled. It triggers a relayout in the decorator and the new position of the handle is set.
+ mEventData->mDecoratorUpdated = isSmoothHandlePanEnabled;
+
+ // Will define the order to scroll the text to match the handle position.
+ mEventData->mIsLeftHandleSelected = false;
}
} // end ( HANDLE_PRESSED == state )
else if( ( HANDLE_RELEASED == state ) ||
handleStopScrolling )
{
CharacterIndex handlePosition = 0u;
- if( handleStopScrolling )
+ if( handleStopScrolling || isSmoothHandlePanEnabled )
{
- // The event.p2 and event.p3 are in decorator coords. Need to transforms to text coords.
- const float xPosition = event.p2.mFloat - mEventData->mScrollPosition.x - mAlignmentOffset.x;
- const float yPosition = event.p3.mFloat - mEventData->mScrollPosition.y - mAlignmentOffset.y;
-
- handlePosition = GetClosestCursorIndex( xPosition, yPosition );
+ // Convert from decorator's coords to text's coords.
+ const float xPosition = event.p2.mFloat - mScrollPosition.x;
+ const float yPosition = event.p3.mFloat - mScrollPosition.y;
+
+ handlePosition = Text::GetClosestCursorIndex( mVisualModel,
+ mLogicalModel,
+ mMetrics,
+ xPosition,
+ yPosition );
}
if( Event::GRAB_HANDLE_EVENT == event.type )
{
mEventData->mUpdateCursorPosition = true;
+ mEventData->mUpdateGrabHandlePosition = true;
+ mEventData->mUpdateInputStyle = true;
- ChangeState( EventData::EDITING_WITH_POPUP );
+ if( !IsClipboardEmpty() )
+ {
+ ChangeState( EventData::EDITING_WITH_PASTE_POPUP ); // Moving grabhandle will show Paste Popup
+ }
- if( handleStopScrolling )
+ if( handleStopScrolling || isSmoothHandlePanEnabled )
{
- mEventData->mScrollAfterUpdatePosition = mEventData->mPrimaryCursorPosition != handlePosition;
+ mEventData->mScrollAfterUpdatePosition = true;
mEventData->mPrimaryCursorPosition = handlePosition;
}
}
{
ChangeState( EventData::SELECTING );
- if( handleStopScrolling )
+ mEventData->mUpdateHighlightBox = true;
+ mEventData->mUpdateLeftSelectionPosition = true;
+ mEventData->mUpdateRightSelectionPosition = true;
+
+ if( handleStopScrolling || isSmoothHandlePanEnabled )
{
- mEventData->mUpdateLeftSelectionPosition = ( mEventData->mRightSelectionPosition != handlePosition );
- mEventData->mScrollAfterUpdatePosition = mEventData->mUpdateLeftSelectionPosition;
+ mEventData->mScrollAfterUpdatePosition = true;
- if( mEventData->mUpdateLeftSelectionPosition )
+ if( ( handlePosition != mEventData->mRightSelectionPosition ) &&
+ ( handlePosition != mEventData->mLeftSelectionPosition ) )
{
mEventData->mLeftSelectionPosition = handlePosition;
}
{
ChangeState( EventData::SELECTING );
- if( handleStopScrolling )
+ mEventData->mUpdateHighlightBox = true;
+ mEventData->mUpdateRightSelectionPosition = true;
+ mEventData->mUpdateLeftSelectionPosition = true;
+
+ if( handleStopScrolling || isSmoothHandlePanEnabled )
{
- mEventData->mUpdateRightSelectionPosition = ( mEventData->mLeftSelectionPosition != handlePosition );
- mEventData->mScrollAfterUpdatePosition = mEventData->mUpdateRightSelectionPosition;
- if( mEventData->mUpdateRightSelectionPosition )
+ mEventData->mScrollAfterUpdatePosition = true;
+ if( ( handlePosition != mEventData->mRightSelectionPosition ) &&
+ ( handlePosition != mEventData->mLeftSelectionPosition ) )
{
mEventData->mRightSelectionPosition = handlePosition;
}
else if( HANDLE_SCROLLING == state )
{
const float xSpeed = event.p2.mFloat;
- const Vector2& actualSize = mVisualModel->GetActualSize();
- const Vector2 currentScrollPosition = mEventData->mScrollPosition;
+ const float ySpeed = event.p3.mFloat;
+ const Vector2& layoutSize = mVisualModel->GetLayoutSize();
+ const Vector2 currentScrollPosition = mScrollPosition;
- mEventData->mScrollPosition.x += xSpeed;
+ mScrollPosition.x += xSpeed;
+ mScrollPosition.y += ySpeed;
- ClampHorizontalScroll( actualSize );
+ ClampHorizontalScroll( layoutSize );
+ ClampVerticalScroll( layoutSize );
bool endOfScroll = false;
- if( Vector2::ZERO == ( currentScrollPosition - mEventData->mScrollPosition ) )
+ if( Vector2::ZERO == ( currentScrollPosition - mScrollPosition ) )
{
// Notify the decorator there is no more text to scroll.
// The decorator won't send more scroll events.
// Set the position of the handle.
const bool scrollRightDirection = xSpeed > 0.f;
+ const bool scrollBottomDirection = ySpeed > 0.f;
const bool leftSelectionHandleEvent = Event::LEFT_SELECTION_HANDLE_EVENT == event.type;
const bool rightSelectionHandleEvent = Event::RIGHT_SELECTION_HANDLE_EVENT == event.type;
{
ChangeState( EventData::GRAB_HANDLE_PANNING );
+ // Get the grab handle position in decorator coords.
Vector2 position = mEventData->mDecorator->GetPosition( GRAB_HANDLE );
- // Position the grag handle close to either the left or right edge.
- position.x = scrollRightDirection ? 0.f : mVisualModel->mControlSize.width;
+ if( mEventData->mDecorator->IsHorizontalScrollEnabled() )
+ {
+ // Position the grag handle close to either the left or right edge.
+ position.x = scrollRightDirection ? 0.f : mVisualModel->mControlSize.width;
+ }
+
+ if( mEventData->mDecorator->IsVerticalScrollEnabled() )
+ {
+ position.x = mEventData->mCursorHookPositionX;
+
+ // Position the grag handle close to either the top or bottom edge.
+ position.y = scrollBottomDirection ? 0.f : mVisualModel->mControlSize.height;
+ }
// Get the new handle position.
- // The grab handle's position is in decorator coords. Need to transforms to text coords.
- const CharacterIndex handlePosition = GetClosestCursorIndex( position.x - mEventData->mScrollPosition.x - mAlignmentOffset.x,
- position.y - mEventData->mScrollPosition.y - mAlignmentOffset.y );
+ // The grab handle's position is in decorator's coords. Need to transforms to text's coords.
+ const CharacterIndex handlePosition = Text::GetClosestCursorIndex( mVisualModel,
+ mLogicalModel,
+ mMetrics,
+ position.x - mScrollPosition.x,
+ position.y - mScrollPosition.y );
+
+ if( mEventData->mPrimaryCursorPosition != handlePosition )
+ {
+ mEventData->mUpdateCursorPosition = true;
+ mEventData->mUpdateGrabHandlePosition = !isSmoothHandlePanEnabled;
+ mEventData->mScrollAfterUpdatePosition = true;
+ mEventData->mPrimaryCursorPosition = handlePosition;
+ }
+ mEventData->mUpdateInputStyle = mEventData->mUpdateCursorPosition;
- mEventData->mUpdateCursorPosition = mEventData->mPrimaryCursorPosition != handlePosition;
- mEventData->mScrollAfterUpdatePosition = mEventData->mUpdateCursorPosition;
- mEventData->mPrimaryCursorPosition = handlePosition;
+ // Updates the decorator if the soft handle panning is enabled.
+ mEventData->mDecoratorUpdated = isSmoothHandlePanEnabled;
}
else if( leftSelectionHandleEvent || rightSelectionHandleEvent )
{
- // TODO: This is recalculating the selection box every time the text is scrolled with the selection handles.
- // Think if something can be done to save power.
-
ChangeState( EventData::SELECTION_HANDLE_PANNING );
+ // Get the selection handle position in decorator coords.
Vector2 position = mEventData->mDecorator->GetPosition( leftSelectionHandleEvent ? Text::LEFT_SELECTION_HANDLE : Text::RIGHT_SELECTION_HANDLE );
- // Position the selection handle close to either the left or right edge.
- position.x = scrollRightDirection ? 0.f : mVisualModel->mControlSize.width;
+ if( mEventData->mDecorator->IsHorizontalScrollEnabled() )
+ {
+ // Position the selection handle close to either the left or right edge.
+ position.x = scrollRightDirection ? 0.f : mVisualModel->mControlSize.width;
+ }
+
+ if( mEventData->mDecorator->IsVerticalScrollEnabled() )
+ {
+ position.x = mEventData->mCursorHookPositionX;
+
+ // Position the grag handle close to either the top or bottom edge.
+ position.y = scrollBottomDirection ? 0.f : mVisualModel->mControlSize.height;
+ }
// Get the new handle position.
- // The selection handle's position is in decorator coords. Need to transforms to text coords.
- const CharacterIndex handlePosition = GetClosestCursorIndex( position.x - mEventData->mScrollPosition.x - mAlignmentOffset.x,
- position.y - mEventData->mScrollPosition.y - mAlignmentOffset.y );
+ // The selection handle's position is in decorator's coords. Need to transform to text's coords.
+ const CharacterIndex handlePosition = Text::GetClosestCursorIndex( mVisualModel,
+ mLogicalModel,
+ mMetrics,
+ position.x - mScrollPosition.x,
+ position.y - mScrollPosition.y );
if( leftSelectionHandleEvent )
{
const bool differentHandles = ( mEventData->mLeftSelectionPosition != handlePosition ) && ( mEventData->mRightSelectionPosition != handlePosition );
- mEventData->mUpdateLeftSelectionPosition = endOfScroll || differentHandles;
- if( differentHandles )
+
+ if( differentHandles || endOfScroll )
{
+ mEventData->mUpdateHighlightBox = true;
+ mEventData->mUpdateLeftSelectionPosition = !isSmoothHandlePanEnabled;
+ mEventData->mUpdateRightSelectionPosition = isSmoothHandlePanEnabled;
mEventData->mLeftSelectionPosition = handlePosition;
}
}
else
{
const bool differentHandles = ( mEventData->mRightSelectionPosition != handlePosition ) && ( mEventData->mLeftSelectionPosition != handlePosition );
- mEventData->mUpdateRightSelectionPosition = endOfScroll || differentHandles;
- if( differentHandles )
+ if( differentHandles || endOfScroll )
{
+ mEventData->mUpdateHighlightBox = true;
+ mEventData->mUpdateRightSelectionPosition = !isSmoothHandlePanEnabled;
+ mEventData->mUpdateLeftSelectionPosition = isSmoothHandlePanEnabled;
mEventData->mRightSelectionPosition = handlePosition;
}
}
{
RepositionSelectionHandles();
- mEventData->mScrollAfterUpdatePosition = true;
+ mEventData->mScrollAfterUpdatePosition = !isSmoothHandlePanEnabled;
}
}
mEventData->mDecoratorUpdated = true;
if( mEventData->mSelectionEnabled )
{
- // The event.p2 and event.p3 are in decorator coords. Need to transforms to text coords.
- const float xPosition = event.p2.mFloat - mEventData->mScrollPosition.x - mAlignmentOffset.x;
- const float yPosition = event.p3.mFloat - mEventData->mScrollPosition.y - mAlignmentOffset.y;
+ // Convert from control's coords to text's coords.
+ const float xPosition = event.p2.mFloat - mScrollPosition.x;
+ const float yPosition = event.p3.mFloat - mScrollPosition.y;
// Calculates the logical position from the x,y coords.
RepositionSelectionHandles( xPosition,
yPosition );
-
- mEventData->mUpdateLeftSelectionPosition = true;
- mEventData->mUpdateRightSelectionPosition = true;
-
- mEventData->mScrollAfterUpdatePosition = ( mEventData->mLeftSelectionPosition != mEventData->mRightSelectionPosition );
}
}
void Controller::Impl::OnSelectAllEvent()
{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "OnSelectAllEvent mEventData->mSelectionEnabled%s \n", mEventData->mSelectionEnabled?"true":"false");
+
if( NULL == mEventData )
{
// Nothing to do if there is no text.
if( mEventData->mSelectionEnabled )
{
+ ChangeState( EventData::SELECTING );
+
mEventData->mLeftSelectionPosition = 0u;
mEventData->mRightSelectionPosition = mLogicalModel->mText.Count();
mEventData->mScrollAfterUpdatePosition = true;
mEventData->mUpdateLeftSelectionPosition = true;
mEventData->mUpdateRightSelectionPosition = true;
+ mEventData->mUpdateHighlightBox = true;
}
}
-void Controller::Impl::RetrieveSelection( std::string& selectedText, bool deleteAfterRetreival )
+void Controller::Impl::RetrieveSelection( std::string& selectedText, bool deleteAfterRetrieval )
{
- if( mEventData->mLeftSelectionPosition == mEventData->mRightSelectionPosition )
+ if( mEventData->mLeftSelectionPosition == mEventData->mRightSelectionPosition )
{
// Nothing to select if handles are in the same place.
- selectedText="";
+ selectedText.clear();
return;
}
const bool handlesCrossed = mEventData->mLeftSelectionPosition > mEventData->mRightSelectionPosition;
//Get start and end position of selection
- uint32_t startOfSelectedText = handlesCrossed ? mEventData->mRightSelectionPosition : mEventData->mLeftSelectionPosition;
- uint32_t lengthOfSelectedText = ( handlesCrossed ? mEventData->mLeftSelectionPosition : mEventData->mRightSelectionPosition ) - startOfSelectedText;
+ const CharacterIndex startOfSelectedText = handlesCrossed ? mEventData->mRightSelectionPosition : mEventData->mLeftSelectionPosition;
+ const Length lengthOfSelectedText = ( handlesCrossed ? mEventData->mLeftSelectionPosition : mEventData->mRightSelectionPosition ) - startOfSelectedText;
+
+ Vector<Character>& utf32Characters = mLogicalModel->mText;
+ const Length numberOfCharacters = utf32Characters.Count();
// Validate the start and end selection points
- if( ( startOfSelectedText + lengthOfSelectedText ) <= mLogicalModel->mText.Count() )
+ if( ( startOfSelectedText + lengthOfSelectedText ) <= numberOfCharacters )
{
//Get text as a UTF8 string
- Vector<Character>& utf32Characters = mLogicalModel->mText;
-
Utf32ToUtf8( &utf32Characters[startOfSelectedText], lengthOfSelectedText, selectedText );
- if ( deleteAfterRetreival ) // Only delete text if copied successfully
+ if( deleteAfterRetrieval ) // Only delete text if copied successfully
{
- // Delete text between handles
- Vector<Character>& currentText = mLogicalModel->mText;
+ // Keep a copy of the current input style.
+ InputStyle currentInputStyle;
+ currentInputStyle.Copy( mEventData->mInputStyle );
+
+ // Set as input style the style of the first deleted character.
+ mLogicalModel->RetrieveStyle( startOfSelectedText, mEventData->mInputStyle );
- Vector<Character>::Iterator first = currentText.Begin() + startOfSelectedText;
+ // Compare if the input style has changed.
+ const bool hasInputStyleChanged = !currentInputStyle.Equal( mEventData->mInputStyle );
+
+ if( hasInputStyleChanged )
+ {
+ const InputStyle::Mask styleChangedMask = currentInputStyle.GetInputStyleChangeMask( mEventData->mInputStyle );
+ // Queue the input style changed signal.
+ mEventData->mInputStyleChangedQueue.PushBack( styleChangedMask );
+ }
+
+ mLogicalModel->UpdateTextStyleRuns( startOfSelectedText, -static_cast<int>( lengthOfSelectedText ) );
+
+ // Mark the paragraphs to be updated.
+ mTextUpdateInfo.mCharacterIndex = startOfSelectedText;
+ mTextUpdateInfo.mNumberOfCharactersToRemove = lengthOfSelectedText;
+
+ // Delete text between handles
+ Vector<Character>::Iterator first = utf32Characters.Begin() + startOfSelectedText;
Vector<Character>::Iterator last = first + lengthOfSelectedText;
- currentText.Erase( first, last );
+ utf32Characters.Erase( first, last );
- // Scroll after delete.
+ // Will show the cursor at the first character of the selection.
mEventData->mPrimaryCursorPosition = handlesCrossed ? mEventData->mRightSelectionPosition : mEventData->mLeftSelectionPosition;
- mEventData->mScrollAfterDelete = true;
}
- // Udpade the cursor position and the decorator.
- // Scroll after the position is updated if is not scrolling after delete.
- mEventData->mUpdateCursorPosition = true;
- mEventData->mScrollAfterUpdatePosition = !mEventData->mScrollAfterDelete;
+ else
+ {
+ // Will show the cursor at the last character of the selection.
+ mEventData->mPrimaryCursorPosition = handlesCrossed ? mEventData->mLeftSelectionPosition : mEventData->mRightSelectionPosition;
+ }
+
mEventData->mDecoratorUpdated = true;
}
}
void Controller::Impl::ShowClipboard()
{
- if ( mClipboard )
+ if( mClipboard )
{
mClipboard.ShowClipboard();
}
void Controller::Impl::HideClipboard()
{
- if ( mClipboard )
+ if( mClipboard && mClipboardHideEnabled )
{
mClipboard.HideClipboard();
}
}
+void Controller::Impl::SetClipboardHideEnable(bool enable)
+{
+ mClipboardHideEnabled = enable;
+}
+
bool Controller::Impl::CopyStringToClipboard( std::string& source )
{
//Send string to clipboard
ChangeState( EventData::EDITING );
}
-void Controller::Impl::GetTextFromClipboard( unsigned int itemIndex, std::string& retreivedString )
+void Controller::Impl::RequestGetTextFromClipboard()
{
if ( mClipboard )
{
- retreivedString = mClipboard.GetItem( itemIndex );
+ mClipboard.RequestItem();
}
}
const CharacterIndex* const glyphToCharacterBuffer = mVisualModel->mGlyphsToCharacters.Begin();
const CharacterDirection* const modelCharacterDirectionsBuffer = ( 0u != mLogicalModel->mCharacterDirections.Count() ) ? mLogicalModel->mCharacterDirections.Begin() : NULL;
- // TODO: Better algorithm to create the highlight box.
- // TODO: Multi-line.
-
- // Get the height of the line.
- const Vector<LineRun>& lines = mVisualModel->mLines;
- const LineRun& firstLine = *lines.Begin();
- const float height = firstLine.ascender + -firstLine.descender;
-
const bool isLastCharacter = selectionEnd >= mLogicalModel->mText.Count();
- const bool startDirection = ( ( NULL == modelCharacterDirectionsBuffer ) ? false : *( modelCharacterDirectionsBuffer + selectionStart ) );
- const bool endDirection = ( ( NULL == modelCharacterDirectionsBuffer ) ? false : *( modelCharacterDirectionsBuffer + ( selectionEnd - ( isLastCharacter ? 1u : 0u ) ) ) );
+ const CharacterDirection startDirection = ( ( NULL == modelCharacterDirectionsBuffer ) ? false : *( modelCharacterDirectionsBuffer + selectionStart ) );
+ const CharacterDirection endDirection = ( ( NULL == modelCharacterDirectionsBuffer ) ? false : *( modelCharacterDirectionsBuffer + ( selectionEnd - ( isLastCharacter ? 1u : 0u ) ) ) );
// Swap the indices if the start is greater than the end.
const bool indicesSwapped = selectionStart > selectionEnd;
const Length numberOfGlyphs = *( glyphsPerCharacterBuffer + selectionEndMinusOne );
const GlyphIndex glyphEnd = *( charactersToGlyphBuffer + selectionEndMinusOne ) + ( ( numberOfGlyphs > 0 ) ? numberOfGlyphs - 1u : 0u );
+ // Get the lines where the glyphs are laid-out.
+ const LineRun* lineRun = mVisualModel->mLines.Begin();
+
+ LineIndex lineIndex = 0u;
+ Length numberOfLines = 0u;
+ mVisualModel->GetNumberOfLines( glyphStart,
+ 1u + glyphEnd - glyphStart,
+ lineIndex,
+ numberOfLines );
+ const LineIndex firstLineIndex = lineIndex;
+
+ // Create the structure to store some selection box info.
+ Vector<SelectionBoxInfo> selectionBoxLinesInfo;
+ selectionBoxLinesInfo.Resize( numberOfLines );
+
+ SelectionBoxInfo* selectionBoxInfo = selectionBoxLinesInfo.Begin();
+ selectionBoxInfo->minX = MAX_FLOAT;
+ selectionBoxInfo->maxX = MIN_FLOAT;
+
+ // Keep the min and max 'x' position to calculate the size and position of the highlighed text.
+ float minHighlightX = std::numeric_limits<float>::max();
+ float maxHighlightX = std::numeric_limits<float>::min();
+ Size highLightSize;
+ Vector2 highLightPosition; // The highlight position in decorator's coords.
+
+ // Retrieve the first line and get the line's vertical offset, the line's height and the index to the last glyph.
+
+ // The line's vertical offset of all the lines before the line where the first glyph is laid-out.
+ selectionBoxInfo->lineOffset = CalculateLineOffset( mVisualModel->mLines,
+ firstLineIndex );
+
+ // Transform to decorator's (control) coords.
+ selectionBoxInfo->lineOffset += mScrollPosition.y;
+
+ lineRun += firstLineIndex;
+
+ // The line height is the addition of the line ascender and the line descender.
+ // However, the line descender has a negative value, hence the subtraction.
+ selectionBoxInfo->lineHeight = lineRun->ascender - lineRun->descender;
+
+ GlyphIndex lastGlyphOfLine = lineRun->glyphRun.glyphIndex + lineRun->glyphRun.numberOfGlyphs - 1u;
+
// Check if the first glyph is a ligature that must be broken like Latin ff, fi, or Arabic ﻻ, etc which needs special code.
const Length numberOfCharactersStart = *( charactersPerGlyphBuffer + glyphStart );
bool splitStartGlyph = ( numberOfCharactersStart > 1u ) && HasLigatureMustBreak( mLogicalModel->GetScript( selectionStart ) );
const Length numberOfCharactersEnd = *( charactersPerGlyphBuffer + glyphEnd );
bool splitEndGlyph = ( glyphStart != glyphEnd ) && ( numberOfCharactersEnd > 1u ) && HasLigatureMustBreak( mLogicalModel->GetScript( selectionEndMinusOne ) );
- const Vector2 offset = mEventData->mScrollPosition + mAlignmentOffset;
+ // The number of quads of the selection box.
+ const unsigned int numberOfQuads = 1u + ( glyphEnd - glyphStart ) + ( ( numberOfLines > 1u ) ? 2u * numberOfLines : 0u );
+ mEventData->mDecorator->ResizeHighlightQuads( numberOfQuads );
+
+ // Count the actual number of quads.
+ unsigned int actualNumberOfQuads = 0u;
+ Vector4 quad;
// Traverse the glyphs.
for( GlyphIndex index = glyphStart; index <= glyphEnd; ++index )
// Calculate the number of characters selected.
const Length numberOfCharacters = ( glyphStart == glyphEnd ) ? ( selectionEnd - selectionStart ) : ( numberOfCharactersStart - interGlyphIndex );
- const float xPosition = position.x - glyph.xBearing + offset.x + glyphAdvance * static_cast<float>( isCurrentRightToLeft ? ( numberOfCharactersStart - interGlyphIndex - numberOfCharacters ) : interGlyphIndex );
+ quad.x = lineRun->alignmentOffset + position.x - glyph.xBearing + mScrollPosition.x + glyphAdvance * static_cast<float>( isCurrentRightToLeft ? ( numberOfCharactersStart - interGlyphIndex - numberOfCharacters ) : interGlyphIndex );
+ quad.y = selectionBoxInfo->lineOffset;
+ quad.z = quad.x + static_cast<float>( numberOfCharacters ) * glyphAdvance;
+ quad.w = selectionBoxInfo->lineOffset + selectionBoxInfo->lineHeight;
+
+ // Store the min and max 'x' for each line.
+ selectionBoxInfo->minX = std::min( selectionBoxInfo->minX, quad.x );
+ selectionBoxInfo->maxX = std::max( selectionBoxInfo->maxX, quad.z );
- mEventData->mDecorator->AddHighlight( xPosition,
- offset.y,
- xPosition + static_cast<float>( numberOfCharacters ) * glyphAdvance,
- offset.y + height );
+ mEventData->mDecorator->AddHighlight( actualNumberOfQuads, quad );
+ ++actualNumberOfQuads;
splitStartGlyph = false;
continue;
const Length numberOfCharacters = numberOfCharactersEnd - interGlyphIndex;
- const float xPosition = position.x - glyph.xBearing + offset.x + ( isCurrentRightToLeft ? ( glyphAdvance * static_cast<float>( numberOfCharacters ) ) : 0.f );
- mEventData->mDecorator->AddHighlight( xPosition,
- offset.y,
- xPosition + static_cast<float>( interGlyphIndex ) * glyphAdvance,
- offset.y + height );
+ quad.x = lineRun->alignmentOffset + position.x - glyph.xBearing + mScrollPosition.x + ( isCurrentRightToLeft ? ( glyphAdvance * static_cast<float>( numberOfCharacters ) ) : 0.f );
+ quad.y = selectionBoxInfo->lineOffset;
+ quad.z = quad.x + static_cast<float>( interGlyphIndex ) * glyphAdvance;
+ quad.w = quad.y + selectionBoxInfo->lineHeight;
+
+ // Store the min and max 'x' for each line.
+ selectionBoxInfo->minX = std::min( selectionBoxInfo->minX, quad.x );
+ selectionBoxInfo->maxX = std::max( selectionBoxInfo->maxX, quad.z );
+
+ mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
+ quad );
+ ++actualNumberOfQuads;
splitEndGlyph = false;
continue;
}
- const float xPosition = position.x - glyph.xBearing + offset.x;
- mEventData->mDecorator->AddHighlight( xPosition,
- offset.y,
- xPosition + glyph.advance,
- offset.y + height );
+ quad.x = lineRun->alignmentOffset + position.x - glyph.xBearing + mScrollPosition.x;
+ quad.y = selectionBoxInfo->lineOffset;
+ quad.z = quad.x + glyph.advance;
+ quad.w = quad.y + selectionBoxInfo->lineHeight;
+
+ // Store the min and max 'x' for each line.
+ selectionBoxInfo->minX = std::min( selectionBoxInfo->minX, quad.x );
+ selectionBoxInfo->maxX = std::max( selectionBoxInfo->maxX, quad.z );
+
+ mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
+ quad );
+ ++actualNumberOfQuads;
+
+ // Whether to retrieve the next line.
+ if( index == lastGlyphOfLine )
+ {
+ // Retrieve the next line.
+ ++lineRun;
+
+ // Get the last glyph of the new line.
+ lastGlyphOfLine = lineRun->glyphRun.glyphIndex + lineRun->glyphRun.numberOfGlyphs - 1u;
+
+ ++lineIndex;
+ if( lineIndex < firstLineIndex + numberOfLines )
+ {
+ // Keep the offset and height of the current selection box.
+ const float currentLineOffset = selectionBoxInfo->lineOffset;
+ const float currentLineHeight = selectionBoxInfo->lineHeight;
+
+ // Get the selection box info for the next line.
+ ++selectionBoxInfo;
+
+ selectionBoxInfo->minX = MAX_FLOAT;
+ selectionBoxInfo->maxX = MIN_FLOAT;
+
+ // Update the line's vertical offset.
+ selectionBoxInfo->lineOffset = currentLineOffset + currentLineHeight;
+
+ // The line height is the addition of the line ascender and the line descender.
+ // However, the line descender has a negative value, hence the subtraction.
+ selectionBoxInfo->lineHeight = lineRun->ascender - lineRun->descender;
+ }
+ }
+ }
+
+ // Traverses all the lines and updates the min and max 'x' positions and the total height.
+ // The final width is calculated after 'boxifying' the selection.
+ for( Vector<SelectionBoxInfo>::ConstIterator it = selectionBoxLinesInfo.Begin(),
+ endIt = selectionBoxLinesInfo.End();
+ it != endIt;
+ ++it )
+ {
+ const SelectionBoxInfo& info = *it;
+
+ // Update the size of the highlighted text.
+ highLightSize.height += info.lineHeight;
+ minHighlightX = std::min( minHighlightX, info.minX );
+ maxHighlightX = std::max( maxHighlightX, info.maxX );
}
- CursorInfo primaryCursorInfo;
- GetCursorPosition( mEventData->mLeftSelectionPosition,
- primaryCursorInfo );
+ // Add extra geometry to 'boxify' the selection.
+
+ if( 1u < numberOfLines )
+ {
+ // Boxify the first line.
+ lineRun = mVisualModel->mLines.Begin() + firstLineIndex;
+ const SelectionBoxInfo& firstSelectionBoxLineInfo = *( selectionBoxLinesInfo.Begin() );
- CursorInfo secondaryCursorInfo;
- GetCursorPosition( mEventData->mRightSelectionPosition,
- secondaryCursorInfo );
+ bool boxifyBegin = ( LTR != lineRun->direction ) && ( LTR != startDirection );
+ bool boxifyEnd = ( LTR == lineRun->direction ) && ( LTR == startDirection );
- const Vector2 primaryPosition = primaryCursorInfo.primaryPosition + offset;
- const Vector2 secondaryPosition = secondaryCursorInfo.primaryPosition + offset;
+ if( boxifyBegin )
+ {
+ quad.x = 0.f;
+ quad.y = firstSelectionBoxLineInfo.lineOffset;
+ quad.z = firstSelectionBoxLineInfo.minX;
+ quad.w = firstSelectionBoxLineInfo.lineOffset + firstSelectionBoxLineInfo.lineHeight;
+
+ // Boxify at the beginning of the line.
+ mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
+ quad );
+ ++actualNumberOfQuads;
+
+ // Update the size of the highlighted text.
+ minHighlightX = 0.f;
+ }
+
+ if( boxifyEnd )
+ {
+ quad.x = firstSelectionBoxLineInfo.maxX;
+ quad.y = firstSelectionBoxLineInfo.lineOffset;
+ quad.z = mVisualModel->mControlSize.width;
+ quad.w = firstSelectionBoxLineInfo.lineOffset + firstSelectionBoxLineInfo.lineHeight;
+
+ // Boxify at the end of the line.
+ mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
+ quad );
+ ++actualNumberOfQuads;
+
+ // Update the size of the highlighted text.
+ maxHighlightX = mVisualModel->mControlSize.width;
+ }
+
+ // Boxify the central lines.
+ if( 2u < numberOfLines )
+ {
+ for( Vector<SelectionBoxInfo>::ConstIterator it = selectionBoxLinesInfo.Begin() + 1u,
+ endIt = selectionBoxLinesInfo.End() - 1u;
+ it != endIt;
+ ++it )
+ {
+ const SelectionBoxInfo& info = *it;
+
+ quad.x = 0.f;
+ quad.y = info.lineOffset;
+ quad.z = info.minX;
+ quad.w = info.lineOffset + info.lineHeight;
+
+ mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
+ quad );
+ ++actualNumberOfQuads;
+
+ quad.x = info.maxX;
+ quad.y = info.lineOffset;
+ quad.z = mVisualModel->mControlSize.width;
+ quad.w = info.lineOffset + info.lineHeight;
+
+ mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
+ quad );
+ ++actualNumberOfQuads;
+ }
+
+ // Update the size of the highlighted text.
+ minHighlightX = 0.f;
+ maxHighlightX = mVisualModel->mControlSize.width;
+ }
- mEventData->mDecorator->SetPosition( LEFT_SELECTION_HANDLE, primaryPosition.x, primaryPosition.y, primaryCursorInfo.lineHeight );
+ // Boxify the last line.
+ lineRun = mVisualModel->mLines.Begin() + firstLineIndex + numberOfLines - 1u;
+ const SelectionBoxInfo& lastSelectionBoxLineInfo = *( selectionBoxLinesInfo.End() - 1u );
- mEventData->mDecorator->SetPosition( RIGHT_SELECTION_HANDLE, secondaryPosition.x, secondaryPosition.y, secondaryCursorInfo.lineHeight );
+ boxifyBegin = ( LTR == lineRun->direction ) && ( LTR == endDirection );
+ boxifyEnd = ( LTR != lineRun->direction ) && ( LTR != endDirection );
+
+ if( boxifyBegin )
+ {
+ quad.x = 0.f;
+ quad.y = lastSelectionBoxLineInfo.lineOffset;
+ quad.z = lastSelectionBoxLineInfo.minX;
+ quad.w = lastSelectionBoxLineInfo.lineOffset + lastSelectionBoxLineInfo.lineHeight;
+
+ // Boxify at the beginning of the line.
+ mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
+ quad );
+ ++actualNumberOfQuads;
+
+ // Update the size of the highlighted text.
+ minHighlightX = 0.f;
+ }
+
+ if( boxifyEnd )
+ {
+ quad.x = lastSelectionBoxLineInfo.maxX;
+ quad.y = lastSelectionBoxLineInfo.lineOffset;
+ quad.z = mVisualModel->mControlSize.width;
+ quad.w = lastSelectionBoxLineInfo.lineOffset + lastSelectionBoxLineInfo.lineHeight;
+
+ // Boxify at the end of the line.
+ mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
+ quad );
+ ++actualNumberOfQuads;
+
+ // Update the size of the highlighted text.
+ maxHighlightX = mVisualModel->mControlSize.width;
+ }
+ }
+
+ // Set the actual number of quads.
+ mEventData->mDecorator->ResizeHighlightQuads( actualNumberOfQuads );
+
+ // Sets the highlight's size and position. In decorator's coords.
+ // The highlight's height has been calculated above (before 'boxifying' the highlight).
+ highLightSize.width = maxHighlightX - minHighlightX;
+
+ highLightPosition.x = minHighlightX;
+ const SelectionBoxInfo& firstSelectionBoxLineInfo = *( selectionBoxLinesInfo.Begin() );
+ highLightPosition.y = firstSelectionBoxLineInfo.lineOffset;
+
+ mEventData->mDecorator->SetHighLightBox( highLightPosition, highLightSize );
+
+ if( !mEventData->mDecorator->IsSmoothHandlePanEnabled() )
+ {
+ CursorInfo primaryCursorInfo;
+ GetCursorPosition( mEventData->mLeftSelectionPosition,
+ primaryCursorInfo );
+
+ const Vector2 primaryPosition = primaryCursorInfo.primaryPosition + mScrollPosition;
+
+ mEventData->mDecorator->SetPosition( LEFT_SELECTION_HANDLE,
+ primaryPosition.x,
+ primaryCursorInfo.lineOffset + mScrollPosition.y,
+ primaryCursorInfo.lineHeight );
+
+ CursorInfo secondaryCursorInfo;
+ GetCursorPosition( mEventData->mRightSelectionPosition,
+ secondaryCursorInfo );
+
+ const Vector2 secondaryPosition = secondaryCursorInfo.primaryPosition + mScrollPosition;
+
+ mEventData->mDecorator->SetPosition( RIGHT_SELECTION_HANDLE,
+ secondaryPosition.x,
+ secondaryCursorInfo.lineOffset + mScrollPosition.y,
+ secondaryCursorInfo.lineHeight );
+ }
// Cursor to be positioned at end of selection so if selection interrupted and edit mode restarted the cursor will be at end of selection
mEventData->mPrimaryCursorPosition = ( indicesSwapped ) ? mEventData->mLeftSelectionPosition : mEventData->mRightSelectionPosition;
const Length numberOfGlyphs = mVisualModel->mGlyphs.Count();
const Length numberOfLines = mVisualModel->mLines.Count();
- if( 0 == numberOfGlyphs ||
- 0 == numberOfLines )
+ if( ( 0 == numberOfGlyphs ) ||
+ ( 0 == numberOfLines ) )
{
// Nothing to do if there is no text.
return;
// Find which word was selected
CharacterIndex selectionStart( 0 );
CharacterIndex selectionEnd( 0 );
- FindSelectionIndices( visualX, visualY, selectionStart, selectionEnd );
+ const bool indicesFound = FindSelectionIndices( mVisualModel,
+ mLogicalModel,
+ mMetrics,
+ visualX,
+ visualY,
+ selectionStart,
+ selectionEnd );
DALI_LOG_INFO( gLogFilter, Debug::Verbose, "%p selectionStart %d selectionEnd %d\n", this, selectionStart, selectionEnd );
- if( selectionStart == selectionEnd )
+ if( indicesFound )
+ {
+ ChangeState( EventData::SELECTING );
+
+ mEventData->mLeftSelectionPosition = selectionStart;
+ mEventData->mRightSelectionPosition = selectionEnd;
+
+ mEventData->mUpdateLeftSelectionPosition = true;
+ mEventData->mUpdateRightSelectionPosition = true;
+ mEventData->mUpdateHighlightBox = true;
+
+ mEventData->mScrollAfterUpdatePosition = ( mEventData->mLeftSelectionPosition != mEventData->mRightSelectionPosition );
+ }
+ else
{
- ChangeState( EventData::EDITING );
// Nothing to select. i.e. a white space, out of bounds
- return;
- }
+ ChangeState( EventData::EDITING );
+
+ mEventData->mPrimaryCursorPosition = selectionEnd;
- mEventData->mLeftSelectionPosition = selectionStart;
- mEventData->mRightSelectionPosition = selectionEnd;
+ mEventData->mUpdateCursorPosition = true;
+ mEventData->mUpdateGrabHandlePosition = true;
+ mEventData->mScrollAfterUpdatePosition = true;
+ mEventData->mUpdateInputStyle = true;
+ }
}
void Controller::Impl::SetPopupButtons()
{
buttonsToShow = TextSelectionPopup::Buttons( TextSelectionPopup::CUT | TextSelectionPopup::COPY );
- if ( !IsClipboardEmpty() )
+ if( !IsClipboardEmpty() )
{
buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) );
buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::CLIPBOARD ) );
}
- if ( !mEventData->mAllTextSelected )
+ if( !mEventData->mAllTextSelected )
{
buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::SELECT_ALL ) );
}
}
- else if ( EventData::EDITING_WITH_POPUP == mEventData->mState )
+ else if( EventData::EDITING_WITH_POPUP == mEventData->mState )
{
- if ( mLogicalModel->mText.Count() && !IsShowingPlaceholderText())
+ if( mLogicalModel->mText.Count() && !IsShowingPlaceholderText() )
{
buttonsToShow = TextSelectionPopup::Buttons( TextSelectionPopup::SELECT | TextSelectionPopup::SELECT_ALL );
}
+ if( !IsClipboardEmpty() )
+ {
+ buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) );
+ buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::CLIPBOARD ) );
+ }
+ }
+ else if( EventData::EDITING_WITH_PASTE_POPUP == mEventData->mState )
+ {
if ( !IsClipboardEmpty() )
{
buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) );
return;
}
+ DALI_LOG_INFO( gLogFilter, Debug::General, "ChangeState state:%d newstate:%d\n", mEventData->mState, newState );
+
if( mEventData->mState != newState )
{
+ mEventData->mPreviousState = mEventData->mState;
mEventData->mState = newState;
- if( EventData::INACTIVE == mEventData->mState )
- {
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
- mEventData->mDecorator->StopCursorBlink();
- mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
- mEventData->mDecorator->SetPopupActive( false );
- mEventData->mDecoratorUpdated = true;
- HideClipboard();
- }
- else if ( EventData::INTERRUPTED == mEventData->mState)
- {
- mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
- mEventData->mDecorator->SetPopupActive( false );
- mEventData->mDecoratorUpdated = true;
- HideClipboard();
- }
- else if ( EventData::SELECTING == mEventData->mState )
- {
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
- mEventData->mDecorator->StopCursorBlink();
- mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, true );
- mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, true );
- if( mEventData->mGrabHandlePopupEnabled )
- {
- SetPopupButtons();
- mEventData->mDecorator->SetPopupActive( true );
- }
- mEventData->mDecoratorUpdated = true;
- }
- else if( EventData::EDITING == mEventData->mState )
+ switch( mEventData->mState )
{
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
- if( mEventData->mCursorBlinkEnabled )
- {
- mEventData->mDecorator->StartCursorBlink();
- }
- // Grab handle is not shown until a tap is received whilst EDITING
- mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
- if( mEventData->mGrabHandlePopupEnabled )
+ case EventData::INACTIVE:
{
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
+ mEventData->mDecorator->StopCursorBlink();
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHighlightActive( false );
mEventData->mDecorator->SetPopupActive( false );
+ mEventData->mDecoratorUpdated = true;
+ break;
}
- mEventData->mDecoratorUpdated = true;
- HideClipboard();
- }
- else if( EventData::EDITING_WITH_POPUP == mEventData->mState )
- {
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
- if( mEventData->mCursorBlinkEnabled )
- {
- mEventData->mDecorator->StartCursorBlink();
- }
- if( mEventData->mSelectionEnabled )
+ case EventData::INTERRUPTED:
{
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHighlightActive( false );
+ mEventData->mDecorator->SetPopupActive( false );
+ mEventData->mDecoratorUpdated = true;
+ break;
}
- else
- {
- mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
- }
- if( mEventData->mGrabHandlePopupEnabled )
+ case EventData::SELECTING:
{
- SetPopupButtons();
- mEventData->mDecorator->SetPopupActive( true );
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
+ mEventData->mDecorator->StopCursorBlink();
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, true );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, true );
+ mEventData->mDecorator->SetHighlightActive( true );
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ SetPopupButtons();
+ mEventData->mDecorator->SetPopupActive( true );
+ }
+ mEventData->mDecoratorUpdated = true;
+ break;
}
- HideClipboard();
- mEventData->mDecoratorUpdated = true;
- }
- else if( EventData::EDITING_WITH_GRAB_HANDLE == mEventData->mState )
- {
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
- if( mEventData->mCursorBlinkEnabled )
+ case EventData::EDITING:
{
- mEventData->mDecorator->StartCursorBlink();
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+ if( mEventData->mCursorBlinkEnabled )
+ {
+ mEventData->mDecorator->StartCursorBlink();
+ }
+ // Grab handle is not shown until a tap is received whilst EDITING
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHighlightActive( false );
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ mEventData->mDecorator->SetPopupActive( false );
+ }
+ mEventData->mDecoratorUpdated = true;
+ break;
}
- // Grab handle is not shown until a tap is received whilst EDITING
- mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
- mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
- if( mEventData->mGrabHandlePopupEnabled )
+ case EventData::EDITING_WITH_POPUP:
{
- mEventData->mDecorator->SetPopupActive( false );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "EDITING_WITH_POPUP \n", newState );
+
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+ if( mEventData->mCursorBlinkEnabled )
+ {
+ mEventData->mDecorator->StartCursorBlink();
+ }
+ if( mEventData->mSelectionEnabled )
+ {
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHighlightActive( false );
+ }
+ else
+ {
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
+ }
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ SetPopupButtons();
+ mEventData->mDecorator->SetPopupActive( true );
+ }
+ mEventData->mDecoratorUpdated = true;
+ break;
}
- mEventData->mDecoratorUpdated = true;
- HideClipboard();
- }
- else if ( EventData::SELECTION_HANDLE_PANNING == mEventData->mState )
- {
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
- mEventData->mDecorator->StopCursorBlink();
- mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, true );
- mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, true );
- if( mEventData->mGrabHandlePopupEnabled )
+ case EventData::EDITING_WITH_GRAB_HANDLE:
{
- mEventData->mDecorator->SetPopupActive( false );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "EDITING_WITH_GRAB_HANDLE \n", newState );
+
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+ if( mEventData->mCursorBlinkEnabled )
+ {
+ mEventData->mDecorator->StartCursorBlink();
+ }
+ // Grab handle is not shown until a tap is received whilst EDITING
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHighlightActive( false );
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ mEventData->mDecorator->SetPopupActive( false );
+ }
+ mEventData->mDecoratorUpdated = true;
+ break;
}
- mEventData->mDecoratorUpdated = true;
- }
- else if ( EventData::GRAB_HANDLE_PANNING == mEventData->mState )
- {
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
- if( mEventData->mCursorBlinkEnabled )
+ case EventData::SELECTION_HANDLE_PANNING:
{
- mEventData->mDecorator->StartCursorBlink();
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
+ mEventData->mDecorator->StopCursorBlink();
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, true );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, true );
+ mEventData->mDecorator->SetHighlightActive( true );
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ mEventData->mDecorator->SetPopupActive( false );
+ }
+ mEventData->mDecoratorUpdated = true;
+ break;
}
- mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
- mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
- if( mEventData->mGrabHandlePopupEnabled )
+ case EventData::GRAB_HANDLE_PANNING:
{
- mEventData->mDecorator->SetPopupActive( false );
- }
- mEventData->mDecoratorUpdated = true;
- }
- }
-}
-
-LineIndex Controller::Impl::GetClosestLine( float y ) const
-{
- float totalHeight = 0.f;
- LineIndex lineIndex = 0u;
-
- const Vector<LineRun>& lines = mVisualModel->mLines;
- for( LineIndex endLine = lines.Count();
- lineIndex < endLine;
- ++lineIndex )
- {
- const LineRun& lineRun = lines[lineIndex];
- totalHeight += lineRun.ascender + -lineRun.descender;
- if( y < totalHeight )
- {
- return lineIndex;
- }
- }
-
- if( lineIndex == 0 )
- {
- return 0;
- }
-
- return lineIndex-1;
-}
-
-void Controller::Impl::FindSelectionIndices( float visualX, float visualY, CharacterIndex& startIndex, CharacterIndex& endIndex )
-{
- CharacterIndex hitCharacter = GetClosestCursorIndex( visualX, visualY );
- DALI_ASSERT_DEBUG( hitCharacter <= mLogicalModel->mText.Count() && "GetClosestCursorIndex returned out of bounds index" );
-
- if ( mLogicalModel->mText.Count() == 0 )
- {
- return; // if model empty
- }
-
- if( hitCharacter >= mLogicalModel->mText.Count() )
- {
- // Closest hit character is the last character.
- if ( hitCharacter == mLogicalModel->mText.Count() )
- {
- hitCharacter--; //Hit character index set to last character in logical model
- }
- else
- {
- // hitCharacter is out of bounds
- return;
- }
- }
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "GRAB_HANDLE_PANNING \n", newState );
- startIndex = hitCharacter;
- endIndex = hitCharacter;
-
- if( !TextAbstraction::IsWhiteSpace( mLogicalModel->mText[hitCharacter] ) )
- {
- // Find the start and end of the text
- for( startIndex = hitCharacter; startIndex > 0; --startIndex )
- {
- Character charCode = mLogicalModel->mText[ startIndex-1 ];
- if( TextAbstraction::IsWhiteSpace( charCode ) )
- {
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+ if( mEventData->mCursorBlinkEnabled )
+ {
+ mEventData->mDecorator->StartCursorBlink();
+ }
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHighlightActive( false );
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ mEventData->mDecorator->SetPopupActive( false );
+ }
+ mEventData->mDecoratorUpdated = true;
break;
}
- }
- const CharacterIndex pastTheEnd = mLogicalModel->mText.Count();
- for( endIndex = hitCharacter + 1u; endIndex < pastTheEnd; ++endIndex )
- {
- Character charCode = mLogicalModel->mText[ endIndex ];
- if( TextAbstraction::IsWhiteSpace( charCode ) )
+ case EventData::EDITING_WITH_PASTE_POPUP:
{
- break;
- }
- }
- }
-}
-
-CharacterIndex Controller::Impl::GetClosestCursorIndex( float visualX,
- float visualY )
-{
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "GetClosestCursorIndex %p closest visualX %f visualY %f\n", this, visualX, visualY );
-
- if( NULL == mEventData )
- {
- // Nothing to do if there is no text input.
- return 0u;
- }
-
- CharacterIndex logicalIndex = 0u;
-
- const Length numberOfGlyphs = mVisualModel->mGlyphs.Count();
- const Length numberOfLines = mVisualModel->mLines.Count();
- if( 0 == numberOfGlyphs ||
- 0 == numberOfLines )
- {
- return logicalIndex;
- }
-
- // Find which line is closest
- const LineIndex lineIndex = GetClosestLine( visualY );
- const LineRun& line = mVisualModel->mLines[lineIndex];
-
- // Get the positions of the glyphs.
- const Vector<Vector2>& positions = mVisualModel->mGlyphPositions;
- const Vector2* const positionsBuffer = positions.Begin();
-
- // Get the visual to logical conversion tables.
- const CharacterIndex* const visualToLogicalBuffer = ( 0u != mLogicalModel->mVisualToLogicalMap.Count() ) ? mLogicalModel->mVisualToLogicalMap.Begin() : NULL;
- const CharacterIndex* const visualToLogicalCursorBuffer = mLogicalModel->mVisualToLogicalCursorMap.Begin();
-
- // Get the character to glyph conversion table.
- const GlyphIndex* const charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin();
-
- // Get the glyphs per character table.
- const Length* const glyphsPerCharacterBuffer = mVisualModel->mGlyphsPerCharacter.Begin();
-
- // If the vector is void, there is no right to left characters.
- const bool hasRightToLeftCharacters = NULL != visualToLogicalBuffer;
-
- const CharacterIndex startCharacter = line.characterRun.characterIndex;
- const CharacterIndex endCharacter = line.characterRun.characterIndex + line.characterRun.numberOfCharacters;
- DALI_ASSERT_DEBUG( endCharacter <= mLogicalModel->mText.Count() && "Invalid line info" );
-
- // Whether there is a hit on a glyph.
- bool matched = false;
-
- // Traverses glyphs in visual order. To do that use the visual to logical conversion table.
- CharacterIndex visualIndex = startCharacter;
- Length numberOfCharacters = 0u;
- for( ; !matched && ( visualIndex < endCharacter ); ++visualIndex )
- {
- // The character in logical order.
- const CharacterIndex characterLogicalOrderIndex = hasRightToLeftCharacters ? *( visualToLogicalBuffer + visualIndex ) : visualIndex;
-
- // Get the script of the character.
- const Script script = mLogicalModel->GetScript( characterLogicalOrderIndex );
-
- // The number of glyphs for that character
- const Length numberOfGlyphs = *( glyphsPerCharacterBuffer + characterLogicalOrderIndex );
- ++numberOfCharacters;
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "EDITING_WITH_PASTE_POPUP \n", newState );
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+ if( mEventData->mCursorBlinkEnabled )
+ {
+ mEventData->mDecorator->StartCursorBlink();
+ }
- if( 0u != numberOfGlyphs )
- {
- // Get the first character/glyph of the group of glyphs.
- const CharacterIndex firstVisualCharacterIndex = 1u + visualIndex - numberOfCharacters;
- const CharacterIndex firstLogicalCharacterIndex = hasRightToLeftCharacters ? *( visualToLogicalBuffer + firstVisualCharacterIndex ) : firstVisualCharacterIndex;
- const GlyphIndex firstLogicalGlyphIndex = *( charactersToGlyphBuffer + firstLogicalCharacterIndex );
-
- // Get the metrics for the group of glyphs.
- GlyphMetrics glyphMetrics;
- GetGlyphsMetrics( firstLogicalGlyphIndex,
- numberOfGlyphs,
- glyphMetrics,
- mVisualModel,
- mMetrics );
-
- // Get the position of the first glyph.
- const Vector2& position = *( positionsBuffer + firstLogicalGlyphIndex );
-
- // Whether the glyph can be split, like Latin ligatures fi, ff or Arabic ﻻ.
- const bool isInterglyphIndex = ( numberOfCharacters > numberOfGlyphs ) && HasLigatureMustBreak( script );
- const Length numberOfBlocks = isInterglyphIndex ? numberOfCharacters : 1u;
- const float glyphAdvance = glyphMetrics.advance / static_cast<float>( numberOfBlocks );
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHighlightActive( false );
- GlyphIndex index = 0u;
- for( ; !matched && ( index < numberOfBlocks ); ++index )
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ SetPopupButtons();
+ mEventData->mDecorator->SetPopupActive( true );
+ }
+ mEventData->mDecoratorUpdated = true;
+ break;
+ }
+ case EventData::TEXT_PANNING:
{
- // Find the mid-point of the area containing the glyph
- const float glyphCenter = -glyphMetrics.xBearing + position.x + ( static_cast<float>( index ) + 0.5f ) * glyphAdvance;
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
+ mEventData->mDecorator->StopCursorBlink();
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
+ if( mEventData->mDecorator->IsHandleActive( LEFT_SELECTION_HANDLE ) ||
+ mEventData->mDecorator->IsHandleActive( RIGHT_SELECTION_HANDLE ) )
+ {
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHighlightActive( true );
+ }
- if( visualX < glyphCenter )
+ if( mEventData->mGrabHandlePopupEnabled )
{
- matched = true;
- break;
+ mEventData->mDecorator->SetPopupActive( false );
}
- }
- if( matched )
- {
- visualIndex = firstVisualCharacterIndex + index;
+ mEventData->mDecoratorUpdated = true;
break;
}
-
- numberOfCharacters = 0u;
}
-
- }
-
-
- // Return the logical position of the cursor in characters.
-
- if( !matched )
- {
- visualIndex = endCharacter;
}
-
- logicalIndex = hasRightToLeftCharacters ? *( visualToLogicalCursorBuffer + visualIndex ) : visualIndex;
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "%p closest visualIndex %d logicalIndex %d\n", this, visualIndex, logicalIndex );
-
- DALI_ASSERT_DEBUG( ( logicalIndex <= mLogicalModel->mText.Count() && logicalIndex >= 0 ) && "GetClosestCursorIndex - Out of bounds index" );
-
- return logicalIndex;
}
void Controller::Impl::GetCursorPosition( CharacterIndex logical,
CursorInfo& cursorInfo )
{
- // TODO: Check for multiline with \n, etc...
-
- const Length numberOfCharacters = mLogicalModel->mText.Count();
if( !IsShowingRealText() )
{
// Do not want to use the place-holder text to set the cursor position.
// If there is no font's family set, use the default font.
// Use the current alignment to place the cursor at the beginning, center or end of the box.
+ cursorInfo.lineOffset = 0.f;
cursorInfo.lineHeight = GetDefaultFontLineHeight();
cursorInfo.primaryCursorHeight = cursorInfo.lineHeight;
}
}
- switch( mLayoutEngine.GetVerticalAlignment() )
- {
- case LayoutEngine::VERTICAL_ALIGN_TOP:
- {
- cursorInfo.primaryPosition.y = 0.f;
- break;
- }
- case LayoutEngine::VERTICAL_ALIGN_CENTER:
- {
- cursorInfo.primaryPosition.y = floorf( 0.5f * ( mVisualModel->mControlSize.height - cursorInfo.lineHeight ) );
- break;
- }
- case LayoutEngine::VERTICAL_ALIGN_BOTTOM:
- {
- cursorInfo.primaryPosition.y = mVisualModel->mControlSize.height - cursorInfo.lineHeight;
- break;
- }
- }
-
// Nothing else to do.
return;
}
- // Check if the logical position is the first or the last one of the text.
- const bool isFirstPosition = 0u == logical;
- const bool isLastPosition = numberOfCharacters == logical;
-
- // 'logical' is the logical 'cursor' index.
- // Get the next and current logical 'character' index.
- const CharacterIndex nextCharacterIndex = logical;
- const CharacterIndex characterIndex = isFirstPosition ? logical : logical - 1u;
-
- // Get the direction of the character and the next one.
- const CharacterDirection* const modelCharacterDirectionsBuffer = ( 0u != mLogicalModel->mCharacterDirections.Count() ) ? mLogicalModel->mCharacterDirections.Begin() : NULL;
-
- CharacterDirection isCurrentRightToLeft = false;
- CharacterDirection isNextRightToLeft = false;
- if( NULL != modelCharacterDirectionsBuffer ) // If modelCharacterDirectionsBuffer is NULL, it means the whole text is left to right.
- {
- isCurrentRightToLeft = *( modelCharacterDirectionsBuffer + characterIndex );
- isNextRightToLeft = *( modelCharacterDirectionsBuffer + nextCharacterIndex );
- }
-
- // Get the line where the character is laid-out.
- const LineRun* const modelLines = mVisualModel->mLines.Begin();
-
- const LineIndex lineIndex = mVisualModel->GetLineOfCharacter( characterIndex );
- const LineRun& line = *( modelLines + lineIndex );
-
- // Get the paragraph's direction.
- const CharacterDirection isRightToLeftParagraph = line.direction;
-
- // Check whether there is an alternative position:
+ Text::GetCursorPosition( mVisualModel,
+ mLogicalModel,
+ mMetrics,
+ logical,
+ cursorInfo );
- cursorInfo.isSecondaryCursor = ( !isLastPosition && ( isCurrentRightToLeft != isNextRightToLeft ) ) ||
- ( isLastPosition && ( isRightToLeftParagraph != isCurrentRightToLeft ) );
-
- // Set the line height.
- cursorInfo.lineHeight = line.ascender + -line.descender;
-
- // Calculate the primary cursor.
-
- CharacterIndex index = characterIndex;
- if( cursorInfo.isSecondaryCursor )
+ if( LayoutEngine::MULTI_LINE_BOX == mLayoutEngine.GetLayout() )
{
- // If there is a secondary position, the primary cursor may be in a different place than the logical index.
+ // If the text is editable and multi-line, the cursor position after a white space shouldn't exceed the boundaries of the text control.
- if( isLastPosition )
- {
- // The position of the cursor after the last character needs special
- // care depending on its direction and the direction of the paragraph.
-
- // Need to find the first character after the last character with the paragraph's direction.
- // i.e l0 l1 l2 r0 r1 should find r0.
+ // Note the white spaces laid-out at the end of the line might exceed the boundaries of the control.
+ // The reason is a wrapped line must not start with a white space so they are laid-out at the end of the line.
- // TODO: check for more than one line!
- index = isRightToLeftParagraph ? line.characterRun.characterIndex : line.characterRun.characterIndex + line.characterRun.numberOfCharacters - 1u;
- index = mLogicalModel->GetLogicalCharacterIndex( index );
- }
- else
+ if( 0.f > cursorInfo.primaryPosition.x )
{
- index = ( isRightToLeftParagraph == isCurrentRightToLeft ) ? characterIndex : nextCharacterIndex;
+ cursorInfo.primaryPosition.x = 0.f;
}
- }
-
- const GlyphIndex* const charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin();
- const Length* const glyphsPerCharacterBuffer = mVisualModel->mGlyphsPerCharacter.Begin();
- const Length* const charactersPerGlyphBuffer = mVisualModel->mCharactersPerGlyph.Begin();
- const CharacterIndex* const glyphsToCharactersBuffer = mVisualModel->mGlyphsToCharacters.Begin();
- const Vector2* const glyphPositionsBuffer = mVisualModel->mGlyphPositions.Begin();
-
- // Convert the cursor position into the glyph position.
- const GlyphIndex primaryGlyphIndex = *( charactersToGlyphBuffer + index );
- const Length primaryNumberOfGlyphs = *( glyphsPerCharacterBuffer + index );
- const Length primaryNumberOfCharacters = *( charactersPerGlyphBuffer + primaryGlyphIndex );
-
- // Get the metrics for the group of glyphs.
- GlyphMetrics glyphMetrics;
- GetGlyphsMetrics( primaryGlyphIndex,
- primaryNumberOfGlyphs,
- glyphMetrics,
- mVisualModel,
- mMetrics );
-
- // Whether to add the glyph's advance to the cursor position.
- // i.e if the paragraph is left to right and the logical cursor is zero, the position is the position of the first glyph and the advance is not added,
- // if the logical cursor is one, the position is the position of the first glyph and the advance is added.
- // A 'truth table' was build and an online Karnaugh map tool was used to simplify the logic.
- //
- // FLCP A
- // ------
- // 0000 1
- // 0001 1
- // 0010 0
- // 0011 0
- // 0100 1
- // 0101 0
- // 0110 1
- // 0111 0
- // 1000 0
- // 1001 x
- // 1010 x
- // 1011 1
- // 1100 x
- // 1101 x
- // 1110 x
- // 1111 x
- //
- // Where F -> isFirstPosition
- // L -> isLastPosition
- // C -> isCurrentRightToLeft
- // P -> isRightToLeftParagraph
- // A -> Whether to add the glyph's advance.
-
- const bool addGlyphAdvance = ( ( isLastPosition && !isRightToLeftParagraph ) ||
- ( isFirstPosition && isRightToLeftParagraph ) ||
- ( !isFirstPosition && !isLastPosition && !isCurrentRightToLeft ) );
-
- float glyphAdvance = addGlyphAdvance ? glyphMetrics.advance : 0.f;
-
- if( !isLastPosition &&
- ( primaryNumberOfCharacters > 1u ) )
- {
- const CharacterIndex firstIndex = *( glyphsToCharactersBuffer + primaryGlyphIndex );
-
- bool isCurrentRightToLeft = false;
- if( NULL != modelCharacterDirectionsBuffer ) // If modelCharacterDirectionsBuffer is NULL, it means the whole text is left to right.
- {
- isCurrentRightToLeft = *( modelCharacterDirectionsBuffer + index );
- }
-
- Length numberOfGlyphAdvance = ( isFirstPosition ? 0u : 1u ) + characterIndex - firstIndex;
- if( isCurrentRightToLeft )
- {
- numberOfGlyphAdvance = primaryNumberOfCharacters - numberOfGlyphAdvance;
- }
-
- glyphAdvance = static_cast<float>( numberOfGlyphAdvance ) * glyphMetrics.advance / static_cast<float>( primaryNumberOfCharacters );
- }
-
- // Get the glyph position and x bearing.
- const Vector2& primaryPosition = *( glyphPositionsBuffer + primaryGlyphIndex );
-
- // Set the primary cursor's height.
- cursorInfo.primaryCursorHeight = cursorInfo.isSecondaryCursor ? 0.5f * glyphMetrics.fontHeight : glyphMetrics.fontHeight;
-
- // Set the primary cursor's position.
- cursorInfo.primaryPosition.x = -glyphMetrics.xBearing + primaryPosition.x + glyphAdvance;
- cursorInfo.primaryPosition.y = line.ascender - glyphMetrics.ascender;
-
- // Calculate the secondary cursor.
-
- if( cursorInfo.isSecondaryCursor )
- {
- // Set the secondary cursor's height.
- cursorInfo.secondaryCursorHeight = 0.5f * glyphMetrics.fontHeight;
- CharacterIndex index = characterIndex;
- if( !isLastPosition )
+ const float edgeWidth = mVisualModel->mControlSize.width - static_cast<float>( mEventData->mDecorator->GetCursorWidth() );
+ if( cursorInfo.primaryPosition.x > edgeWidth )
{
- index = ( isRightToLeftParagraph == isCurrentRightToLeft ) ? nextCharacterIndex : characterIndex;
+ cursorInfo.primaryPosition.x = edgeWidth;
}
-
- const GlyphIndex secondaryGlyphIndex = *( charactersToGlyphBuffer + index );
- const Length secondaryNumberOfGlyphs = *( glyphsPerCharacterBuffer + index );
-
- const Vector2& secondaryPosition = *( glyphPositionsBuffer + secondaryGlyphIndex );
-
- GetGlyphsMetrics( secondaryGlyphIndex,
- secondaryNumberOfGlyphs,
- glyphMetrics,
- mVisualModel,
- mMetrics );
-
- // Set the secondary cursor's position.
- cursorInfo.secondaryPosition.x = -glyphMetrics.xBearing + secondaryPosition.x + ( isCurrentRightToLeft ? 0.f : glyphMetrics.advance );
- cursorInfo.secondaryPosition.y = cursorInfo.lineHeight - cursorInfo.secondaryCursorHeight - line.descender - ( glyphMetrics.fontHeight - glyphMetrics.ascender );
}
}
cursorIndex += numberOfCharacters;
}
+ // Will update the cursor hook position.
+ mEventData->mUpdateCursorHookPosition = true;
+
return cursorIndex;
}
return;
}
- const Vector2 offset = mEventData->mScrollPosition + ( IsShowingRealText() ? mAlignmentOffset : Vector2::ZERO );
- const Vector2 cursorPosition = cursorInfo.primaryPosition + offset;
+ const Vector2 cursorPosition = cursorInfo.primaryPosition + mScrollPosition;
// Sets the cursor position.
mEventData->mDecorator->SetPosition( PRIMARY_CURSOR,
cursorInfo.lineHeight );
DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Primary cursor position: %f,%f\n", cursorPosition.x, cursorPosition.y );
- // Sets the grab handle position.
- mEventData->mDecorator->SetPosition( GRAB_HANDLE,
- cursorPosition.x,
- cursorPosition.y,
- cursorInfo.lineHeight );
+ if( mEventData->mUpdateGrabHandlePosition )
+ {
+ // Sets the grab handle position.
+ mEventData->mDecorator->SetPosition( GRAB_HANDLE,
+ cursorPosition.x,
+ cursorInfo.lineOffset + mScrollPosition.y,
+ cursorInfo.lineHeight );
+ }
if( cursorInfo.isSecondaryCursor )
{
mEventData->mDecorator->SetPosition( SECONDARY_CURSOR,
- cursorInfo.secondaryPosition.x + offset.x,
- cursorInfo.secondaryPosition.y + offset.y,
+ cursorInfo.secondaryPosition.x + mScrollPosition.x,
+ cursorInfo.secondaryPosition.y + mScrollPosition.y,
cursorInfo.secondaryCursorHeight,
cursorInfo.lineHeight );
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Secondary cursor position: %f,%f\n", cursorInfo.secondaryPosition.x + offset.x, cursorInfo.secondaryPosition.y + offset.y );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Secondary cursor position: %f,%f\n", cursorInfo.secondaryPosition.x + mScrollPosition.x, cursorInfo.secondaryPosition.y + mScrollPosition.y );
}
// Set which cursors are active according the state.
- if( ( EventData::EDITING == mEventData->mState ) ||
- ( EventData::EDITING_WITH_POPUP == mEventData->mState ) ||
- ( EventData::EDITING_WITH_GRAB_HANDLE == mEventData->mState ) ||
- ( EventData::GRAB_HANDLE_PANNING == mEventData->mState ) )
+ if( EventData::IsEditingState( mEventData->mState ) || ( EventData::GRAB_HANDLE_PANNING == mEventData->mState ) )
{
if( cursorInfo.isSecondaryCursor )
{
return;
}
- const Vector2 cursorPosition = cursorInfo.primaryPosition + mEventData->mScrollPosition + mAlignmentOffset;
+ const Vector2 cursorPosition = cursorInfo.primaryPosition + mScrollPosition;
- // Sets the grab handle position.
+ // Sets the handle's position.
mEventData->mDecorator->SetPosition( handleType,
cursorPosition.x,
- cursorPosition.y,
+ cursorInfo.lineOffset + mScrollPosition.y,
cursorInfo.lineHeight );
// If selection handle at start of the text and other at end of the text then all text is selected.
mEventData->mAllTextSelected = ( startOfSelection == 0 ) && ( endOfSelection == mLogicalModel->mText.Count() );
}
-void Controller::Impl::ClampHorizontalScroll( const Vector2& actualSize )
+void Controller::Impl::ClampHorizontalScroll( const Vector2& layoutSize )
{
- // Clamp between -space & 0 (and the text alignment).
+ // Clamp between -space & 0.
- if( actualSize.width > mVisualModel->mControlSize.width )
+ if( layoutSize.width > mVisualModel->mControlSize.width )
{
- const float space = ( actualSize.width - mVisualModel->mControlSize.width ) + mAlignmentOffset.x;
- mEventData->mScrollPosition.x = ( mEventData->mScrollPosition.x < -space ) ? -space : mEventData->mScrollPosition.x;
- mEventData->mScrollPosition.x = ( mEventData->mScrollPosition.x > -mAlignmentOffset.x ) ? -mAlignmentOffset.x : mEventData->mScrollPosition.x;
+ const float space = ( layoutSize.width - mVisualModel->mControlSize.width );
+ mScrollPosition.x = ( mScrollPosition.x < -space ) ? -space : mScrollPosition.x;
+ mScrollPosition.x = ( mScrollPosition.x > 0.f ) ? 0.f : mScrollPosition.x;
mEventData->mDecoratorUpdated = true;
}
else
{
- mEventData->mScrollPosition.x = 0.f;
+ mScrollPosition.x = 0.f;
}
}
-void Controller::Impl::ClampVerticalScroll( const Vector2& actualSize )
+void Controller::Impl::ClampVerticalScroll( const Vector2& layoutSize )
{
- // Clamp between -space & 0 (and the text alignment).
- if( actualSize.height > mVisualModel->mControlSize.height )
+ // Clamp between -space & 0.
+ if( layoutSize.height > mVisualModel->mControlSize.height )
{
- const float space = ( actualSize.height - mVisualModel->mControlSize.height ) + mAlignmentOffset.y;
- mEventData->mScrollPosition.y = ( mEventData->mScrollPosition.y < -space ) ? -space : mEventData->mScrollPosition.y;
- mEventData->mScrollPosition.y = ( mEventData->mScrollPosition.y > -mAlignmentOffset.y ) ? -mAlignmentOffset.y : mEventData->mScrollPosition.y;
+ const float space = ( layoutSize.height - mVisualModel->mControlSize.height );
+ mScrollPosition.y = ( mScrollPosition.y < -space ) ? -space : mScrollPosition.y;
+ mScrollPosition.y = ( mScrollPosition.y > 0.f ) ? 0.f : mScrollPosition.y;
mEventData->mDecoratorUpdated = true;
}
else
{
- mEventData->mScrollPosition.y = 0.f;
+ mScrollPosition.y = 0.f;
}
}
-void Controller::Impl::ScrollToMakePositionVisible( const Vector2& position )
+void Controller::Impl::ScrollToMakePositionVisible( const Vector2& position, float lineHeight )
{
+ const float cursorWidth = mEventData->mDecorator ? static_cast<float>( mEventData->mDecorator->GetCursorWidth() ) : 0.f;
+
// position is in actor's coords.
- const float positionEnd = position.x + ( mEventData->mDecorator ? mEventData->mDecorator->GetCursorWidth() : 0.f );
+ const float positionEndX = position.x + cursorWidth;
+ const float positionEndY = position.y + lineHeight;
// Transform the position to decorator coords.
- const float offset = mEventData->mScrollPosition.x + mAlignmentOffset.x;
- const float decoratorPositionBegin = position.x + offset;
- const float decoratorPositionEnd = positionEnd + offset;
+ const float decoratorPositionBeginX = position.x + mScrollPosition.x;
+ const float decoratorPositionEndX = positionEndX + mScrollPosition.x;
+
+ const float decoratorPositionBeginY = position.y + mScrollPosition.y;
+ const float decoratorPositionEndY = positionEndY + mScrollPosition.y;
+
+ if( decoratorPositionBeginX < 0.f )
+ {
+ mScrollPosition.x = -position.x;
+ }
+ else if( decoratorPositionEndX > mVisualModel->mControlSize.width )
+ {
+ mScrollPosition.x = mVisualModel->mControlSize.width - positionEndX;
+ }
- if( decoratorPositionBegin < 0.f )
+ if( decoratorPositionBeginY < 0.f )
{
- mEventData->mScrollPosition.x = -position.x - mAlignmentOffset.x;
+ mScrollPosition.y = -position.y;
}
- else if( decoratorPositionEnd > mVisualModel->mControlSize.width )
+ else if( decoratorPositionEndY > mVisualModel->mControlSize.height )
{
- mEventData->mScrollPosition.x = mVisualModel->mControlSize.width - positionEnd - mAlignmentOffset.x;
+ mScrollPosition.y = mVisualModel->mControlSize.height - positionEndY;
}
}
const Vector2& currentCursorPosition = mEventData->mDecorator->GetPosition( PRIMARY_CURSOR );
// Calculate the offset to match the cursor position before the character was deleted.
- mEventData->mScrollPosition.x = currentCursorPosition.x - cursorInfo.primaryPosition.x - mAlignmentOffset.x;
+ mScrollPosition.x = currentCursorPosition.x - cursorInfo.primaryPosition.x;
+ mScrollPosition.y = currentCursorPosition.y - cursorInfo.lineOffset;
+
+ ClampHorizontalScroll( mVisualModel->GetLayoutSize() );
+ ClampVerticalScroll( mVisualModel->GetLayoutSize() );
- ClampHorizontalScroll( mVisualModel->GetActualSize() );
+ // Makes the new cursor position visible if needed.
+ ScrollToMakePositionVisible( cursorInfo.primaryPosition, cursorInfo.lineHeight );
}
void Controller::Impl::RequestRelayout()
projects / platform / core / uifw / dali-toolkit.git / blobdiff