// INTERNAL INCLUDES
#include <dali-toolkit/internal/text/bidirectional-support.h>
#include <dali-toolkit/internal/text/character-set-conversion.h>
-#include <dali-toolkit/internal/text/layouts/layout-parameters.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/script-run.h>
#include <dali-toolkit/internal/text/segmentation.h>
#include <dali-toolkit/internal/text/shaper.h>
-#include <dali-toolkit/internal/text/text-io.h>
-#include <dali-toolkit/internal/text/text-view.h>
+#include <dali-toolkit/internal/text/text-run-container.h>
namespace
{
#if defined(DEBUG_ENABLED)
- Debug::Filter* gLogFilter = Debug::Filter::New(Debug::Concise, true, "LOG_TEXT_CONTROLS");
+ 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.
- */
-struct GlyphMetrics
-{
- 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.
-};
-
-const std::string EMPTY_STRING("");
-
} // 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] fontClient The font client.
- */
-void GetGlyphsMetrics( GlyphIndex glyphIndex,
- Length numberOfGlyphs,
- GlyphMetrics& glyphMetrics,
- VisualModelPtr visualModel,
- TextAbstraction::FontClient& fontClient )
-{
- const GlyphInfo* glyphsBuffer = visualModel->mGlyphs.Begin();
-
- const GlyphInfo& firstGlyph = *( glyphsBuffer + glyphIndex );
-
- Text::FontMetrics fontMetrics;
- fontClient.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 ),
mUpdateRightSelectionPosition( false ),
mScrollAfterUpdatePosition( false ),
mScrollAfterDelete( false ),
- mAllTextSelected( false )
-{}
+ mAllTextSelected( false ),
+ mUpdateInputStyle( false )
+{
+ mImfManager = ImfManager::Get();
+}
EventData::~EventData()
{}
if( mEventData->mUpdateCursorPosition )
{
// Updates the cursor position and scrolls the text to make it visible.
-
- UpdateCursorPosition();
+ CursorInfo cursorInfo;
+ GetCursorPosition( mEventData->mPrimaryCursorPosition,
+ cursorInfo );
if( mEventData->mScrollAfterUpdatePosition )
{
- const Vector2& primaryCursorPosition = mEventData->mDecorator->GetPosition( PRIMARY_CURSOR );
-
- ScrollToMakePositionVisible( primaryCursorPosition );
+ ScrollToMakePositionVisible( cursorInfo.primaryPosition );
mEventData->mScrollAfterUpdatePosition = false;
}
+ else if( mEventData->mScrollAfterDelete )
+ {
+ ScrollTextToMatchCursor( cursorInfo );
+ mEventData->mScrollAfterDelete = false;
+ }
+
+ UpdateCursorPosition( cursorInfo );
mEventData->mDecoratorUpdated = true;
mEventData->mUpdateCursorPosition = false;
}
- else if( mEventData->mScrollAfterDelete )
- {
- ScrollTextToMatchCursor();
- mEventData->mDecoratorUpdated = true;
- mEventData->mScrollAfterDelete = false;
- }
else
{
bool leftScroll = false;
bool rightScroll = false;
+ CursorInfo leftHandleInfo;
+ CursorInfo rightHandleInfo;
+
if( mEventData->mUpdateLeftSelectionPosition )
{
- UpdateSelectionHandle( LEFT_SELECTION_HANDLE );
+ GetCursorPosition( mEventData->mLeftSelectionPosition,
+ leftHandleInfo );
if( mEventData->mScrollAfterUpdatePosition )
{
- const Vector2& leftHandlePosition = mEventData->mDecorator->GetPosition( LEFT_SELECTION_HANDLE );
-
- ScrollToMakePositionVisible( leftHandlePosition );
+ ScrollToMakePositionVisible( leftHandleInfo.primaryPosition );
leftScroll = true;
}
-
- SetPopupButtons();
- mEventData->mDecoratorUpdated = true;
- mEventData->mUpdateLeftSelectionPosition = false;
}
if( mEventData->mUpdateRightSelectionPosition )
{
- UpdateSelectionHandle( RIGHT_SELECTION_HANDLE );
+ GetCursorPosition( mEventData->mRightSelectionPosition,
+ rightHandleInfo );
if( mEventData->mScrollAfterUpdatePosition )
{
- const Vector2& rightHandlePosition = mEventData->mDecorator->GetPosition( RIGHT_SELECTION_HANDLE );
-
- ScrollToMakePositionVisible( rightHandlePosition );
+ ScrollToMakePositionVisible( rightHandleInfo.primaryPosition );
rightScroll = true;
}
+ }
+
+ if( mEventData->mUpdateLeftSelectionPosition )
+ {
+ UpdateSelectionHandle( LEFT_SELECTION_HANDLE,
+ leftHandleInfo );
+
+ SetPopupButtons();
+ mEventData->mDecoratorUpdated = true;
+ }
+
+ if( mEventData->mUpdateRightSelectionPosition )
+ {
+ UpdateSelectionHandle( RIGHT_SELECTION_HANDLE,
+ rightHandleInfo );
SetPopupButtons();
mEventData->mDecoratorUpdated = true;
+ }
+
+ if( mEventData->mUpdateLeftSelectionPosition || mEventData->mUpdateRightSelectionPosition )
+ {
+ RepositionSelectionHandles();
+
+ mEventData->mUpdateLeftSelectionPosition = false;
mEventData->mUpdateRightSelectionPosition = false;
}
}
}
+ if( mEventData->mUpdateInputStyle )
+ {
+ // 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 );
+
+ mEventData->mUpdateInputStyle = false;
+ }
+
mEventData->mEventQueue.clear();
DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::ProcessInputEvents\n" );
return decoratorUpdated;
}
-void Controller::Impl::UpdateModel( OperationsMask operationsRequired )
+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,
- lineBreakInfo,
+ startIndex,
+ requestedNumberOfCharacters,
scripts );
}
if( validateFonts )
{
- if( 0u == validFonts.Count() )
- {
- // 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 );
- }
+ // Validate the fonts set through the mark-up string.
+ Vector<FontDescriptionRun>& fontDescriptionRuns = mLogicalModel->mFontDescriptionRuns;
+
+ // Get the default font id.
+ const FontId defaultFontId = ( NULL == mFontDefaults ) ? 0u : mFontDefaults->GetFontId( mFontClient );
// 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,
+ defaultFontId,
+ startIndex,
+ requestedNumberOfCharacters,
validFonts );
}
+ updated = true;
}
Vector<Character> mirroredUtf32Characters;
bool textMirrored = false;
- 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.
-
- Length numberOfParagraphs = 0u;
-
- 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 );
-
// 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<CharacterIndex>& glyphsToCharactersMap = mVisualModel->mGlyphsToCharacters;
Vector<Length>& charactersPerGlyph = mVisualModel->mCharactersPerGlyph;
- if( SHAPE_TEXT & operations )
+ Vector<GlyphIndex> newParagraphGlyphs;
+ newParagraphGlyphs.Reserve( numberOfParagraphs );
+
+ 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 );
+ 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 ) )
{
- mFontClient.GetGlyphMetrics( glyphs.Begin(), numberOfGlyphs );
+ GlyphInfo* glyphsBuffer = glyphs.Begin();
+ 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 )
+ {
+ const GlyphIndex index = *it;
+ GlyphInfo& glyph = *( glyphsBuffer + index );
+
+ glyph.xBearing = 0.f;
+ glyph.width = 0.f;
+ glyph.advance = 0.f;
+ }
+ updated = true;
}
-}
-void Controller::Impl::GetDefaultFonts( Vector<FontRun>& fonts, Length numberOfCharacters )
-{
- if( mFontDefaults )
+ if( NO_OPERATION != ( COLOR & operations ) )
{
- FontRun fontRun;
- fontRun.characterRun.characterIndex = 0;
- fontRun.characterRun.numberOfCharacters = numberOfCharacters;
- fontRun.fontId = mFontDefaults->GetFontId( mFontClient );
- fontRun.isDefault = true;
+ // Set the color runs in glyphs.
+ SetColorSegmentationInfo( mLogicalModel->mColorRuns,
+ mVisualModel->mCharactersToGlyph,
+ mVisualModel->mGlyphsPerCharacter,
+ startIndex,
+ mTextUpdateInfo.mStartGlyphIndex,
+ requestedNumberOfCharacters,
+ mVisualModel->mColors,
+ mVisualModel->mColorIndices );
- fonts.PushBack( fontRun );
+ updated = true;
}
-}
-float Controller::Impl::GetDefaultFontLineHeight()
-{
- FontId defaultFontId = 0u;
- if( NULL == mFontDefaults )
+ if( ( NULL != mEventData ) &&
+ mEventData->mPreEditFlag &&
+ ( 0u != mVisualModel->mCharactersToGlyph.Count() ) )
{
- defaultFontId = mFontClient.GetFontId( EMPTY_STRING,
- EMPTY_STRING );
- }
- else
+ // Add the underline for the pre-edit text.
+ const GlyphIndex* const charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin();
+ const Length* const glyphsPerCharacterBuffer = mVisualModel->mGlyphsPerCharacter.Begin();
+
+ const GlyphIndex glyphStart = *( charactersToGlyphBuffer + mEventData->mPreEditStartPosition );
+ const CharacterIndex lastPreEditCharacter = mEventData->mPreEditStartPosition + ( ( mEventData->mPreEditLength > 0u ) ? mEventData->mPreEditLength - 1u : 0u );
+ const Length numberOfGlyphsLastCharacter = *( glyphsPerCharacterBuffer + lastPreEditCharacter );
+ const GlyphIndex glyphEnd = *( charactersToGlyphBuffer + lastPreEditCharacter ) + ( numberOfGlyphsLastCharacter > 1u ? numberOfGlyphsLastCharacter - 1u : 0u );
+
+ GlyphRun underlineRun;
+ underlineRun.glyphIndex = glyphStart;
+ underlineRun.numberOfGlyphs = 1u + glyphEnd - glyphStart;
+
+ // 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::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.familyDefined = false;
+ inputStyle.weightDefined = false;
+ inputStyle.widthDefined = false;
+ inputStyle.slantDefined = false;
+ inputStyle.sizeDefined = false;
+
+ // Sets the default font's family name, weight, width, slant and size.
+ if( mFontDefaults )
+ {
+ if( mFontDefaults->familyDefined )
+ {
+ inputStyle.familyName = mFontDefaults->mFontDescription.family;
+ inputStyle.familyDefined = true;
+ }
+
+ if( mFontDefaults->weightDefined )
+ {
+ inputStyle.weight = mFontDefaults->mFontDescription.weight;
+ inputStyle.weightDefined = true;
+ }
+
+ if( mFontDefaults->widthDefined )
+ {
+ inputStyle.width = mFontDefaults->mFontDescription.width;
+ inputStyle.widthDefined = true;
+ }
+
+ if( mFontDefaults->slantDefined )
+ {
+ inputStyle.slant = mFontDefaults->mFontDescription.slant;
+ inputStyle.slantDefined = true;
+ }
+
+ if( mFontDefaults->sizeDefined )
+ {
+ inputStyle.size = mFontDefaults->mDefaultPointSize;
+ inputStyle.sizeDefined = true;
+ }
+ }
+}
+
+float Controller::Impl::GetDefaultFontLineHeight()
+{
+ FontId defaultFontId = 0u;
+ if( NULL == mFontDefaults )
+ {
+ TextAbstraction::FontDescription fontDescription;
+ defaultFontId = mFontClient.GetFontId( fontDescription );
+ }
+ else
{
defaultFontId = mFontDefaults->GetFontId( mFontClient );
}
Text::FontMetrics fontMetrics;
- mFontClient.GetFontMetrics( defaultFontId, fontMetrics );
+ mMetrics->GetFontMetrics( defaultFontId, fontMetrics );
return( fontMetrics.ascender - fontMetrics.descender );
}
}
mEventData->mUpdateCursorPosition = true;
+ mEventData->mUpdateInputStyle = true;
mEventData->mScrollAfterUpdatePosition = true;
}
if( 1u == tapCount )
{
- if( ! IsShowingPlaceholderText() )
+ if( IsShowingRealText() )
{
const float xPosition = event.p2.mFloat - mEventData->mScrollPosition.x - mAlignmentOffset.x;
const float yPosition = event.p3.mFloat - mEventData->mScrollPosition.y - mAlignmentOffset.y;
- 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();
}
else
{
mEventData->mUpdateCursorPosition = 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();
+ }
}
}
}
if( Gesture::Started == state ||
Gesture::Continuing == state )
{
- const Vector2& actualSize = mVisualModel->GetActualSize();
+ const Vector2& actualSize = mVisualModel->GetLayoutSize();
const Vector2 currentScroll = mEventData->mScrollPosition;
if( mEventData->mHorizontalScrollingEnabled )
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 float xPosition = event.p2.mFloat - mEventData->mScrollPosition.x - mAlignmentOffset.x;
const float yPosition = event.p3.mFloat - mEventData->mScrollPosition.y - mAlignmentOffset.y;
- const CharacterIndex handleNewPosition = GetClosestCursorIndex( xPosition, yPosition );
+ const CharacterIndex handleNewPosition = Text::GetClosestCursorIndex( mVisualModel,
+ mLogicalModel,
+ mMetrics,
+ xPosition,
+ yPosition );
if( Event::GRAB_HANDLE_EVENT == event.type )
{
{
mEventData->mLeftSelectionPosition = handleNewPosition;
- RepositionSelectionHandles( mEventData->mLeftSelectionPosition,
- mEventData->mRightSelectionPosition );
-
mEventData->mUpdateLeftSelectionPosition = true;
}
}
{
mEventData->mRightSelectionPosition = handleNewPosition;
- RepositionSelectionHandles( mEventData->mLeftSelectionPosition,
- mEventData->mRightSelectionPosition );
-
mEventData->mUpdateRightSelectionPosition = true;
}
}
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 );
+ handlePosition = Text::GetClosestCursorIndex( mVisualModel,
+ mLogicalModel,
+ mMetrics,
+ xPosition,
+ yPosition );
}
if( Event::GRAB_HANDLE_EVENT == event.type )
{
mEventData->mUpdateCursorPosition = 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( mEventData->mUpdateLeftSelectionPosition )
{
mEventData->mLeftSelectionPosition = handlePosition;
-
- RepositionSelectionHandles( mEventData->mLeftSelectionPosition,
- mEventData->mRightSelectionPosition );
}
}
}
if( mEventData->mUpdateRightSelectionPosition )
{
mEventData->mRightSelectionPosition = handlePosition;
- RepositionSelectionHandles( mEventData->mLeftSelectionPosition,
- mEventData->mRightSelectionPosition );
}
}
}
else if( HANDLE_SCROLLING == state )
{
const float xSpeed = event.p2.mFloat;
- const Vector2& actualSize = mVisualModel->GetActualSize();
+ const Vector2& actualSize = mVisualModel->GetLayoutSize();
const Vector2 currentScrollPosition = mEventData->mScrollPosition;
mEventData->mScrollPosition.x += xSpeed;
// 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 );
+ const CharacterIndex handlePosition = Text::GetClosestCursorIndex( mVisualModel,
+ mLogicalModel,
+ mMetrics,
+ position.x - mEventData->mScrollPosition.x - mAlignmentOffset.x,
+ position.y - mEventData->mScrollPosition.y - mAlignmentOffset.y );
mEventData->mUpdateCursorPosition = mEventData->mPrimaryCursorPosition != handlePosition;
mEventData->mScrollAfterUpdatePosition = mEventData->mUpdateCursorPosition;
mEventData->mPrimaryCursorPosition = handlePosition;
+ mEventData->mUpdateInputStyle = mEventData->mUpdateCursorPosition;
}
else if( leftSelectionHandleEvent || rightSelectionHandleEvent )
{
// 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 );
+ const CharacterIndex handlePosition = Text::GetClosestCursorIndex( mVisualModel,
+ mLogicalModel,
+ mMetrics,
+ position.x - mEventData->mScrollPosition.x - mAlignmentOffset.x,
+ position.y - mEventData->mScrollPosition.y - mAlignmentOffset.y );
if( leftSelectionHandleEvent )
{
if( mEventData->mUpdateLeftSelectionPosition || mEventData->mUpdateRightSelectionPosition )
{
- RepositionSelectionHandles( mEventData->mLeftSelectionPosition,
- mEventData->mRightSelectionPosition );
+ RepositionSelectionHandles();
mEventData->mScrollAfterUpdatePosition = true;
}
const float xPosition = event.p2.mFloat - mEventData->mScrollPosition.x - mAlignmentOffset.x;
const float yPosition = event.p3.mFloat - mEventData->mScrollPosition.y - mAlignmentOffset.y;
- const CharacterIndex leftPosition = mEventData->mLeftSelectionPosition;
- const CharacterIndex rightPosition = mEventData->mRightSelectionPosition;
-
+ // Calculates the logical position from the x,y coords.
RepositionSelectionHandles( xPosition,
yPosition );
- mEventData->mUpdateLeftSelectionPosition = leftPosition != mEventData->mLeftSelectionPosition;
- mEventData->mUpdateRightSelectionPosition = rightPosition != mEventData->mRightSelectionPosition;
+ mEventData->mUpdateLeftSelectionPosition = true;
+ mEventData->mUpdateRightSelectionPosition = true;
- mEventData->mScrollAfterUpdatePosition = ( ( mEventData->mUpdateLeftSelectionPosition || mEventData->mUpdateRightSelectionPosition ) &&
- ( mEventData->mLeftSelectionPosition != mEventData->mRightSelectionPosition ) );
+ 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 )
{
- RepositionSelectionHandles( 0u,
- mLogicalModel->mText.Count() );
+ mEventData->mLeftSelectionPosition = 0u;
+ mEventData->mRightSelectionPosition = mLogicalModel->mText.Count();
mEventData->mScrollAfterUpdatePosition = true;
mEventData->mUpdateLeftSelectionPosition = 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 = mEventData->mLeftSelectionPosition;
- uint32_t lengthOfSelectedText = 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 >= 0 ) && ( ( 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;
+ // Set as input style the style of the first deleted character.
+ mLogicalModel->RetrieveStyle( startOfSelectedText, mEventData->mInputStyle );
- Vector<Character>::Iterator first = currentText.Begin() + startOfSelectedText;
+ 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.
+ mEventData->mPrimaryCursorPosition = handlesCrossed ? mEventData->mRightSelectionPosition : mEventData->mLeftSelectionPosition;
+ mEventData->mScrollAfterDelete = true;
}
- mEventData->mPrimaryCursorPosition = 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;
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::GetTextFromClipboard( unsigned int itemIndex, std::string& retrievedString )
{
if ( mClipboard )
{
- retreivedString = mClipboard.GetItem( itemIndex );
+ retrievedString = mClipboard.GetItem( itemIndex );
}
}
-void Controller::Impl::RepositionSelectionHandles( CharacterIndex selectionStart, CharacterIndex selectionEnd )
+void Controller::Impl::RepositionSelectionHandles()
{
+ CharacterIndex selectionStart = mEventData->mLeftSelectionPosition;
+ CharacterIndex selectionEnd = mEventData->mRightSelectionPosition;
+
if( selectionStart == selectionEnd )
{
// Nothing to select if handles are in the same place.
mEventData->mDecorator->ClearHighlights();
- mEventData->mLeftSelectionPosition = selectionStart;
- mEventData->mRightSelectionPosition = selectionEnd;
-
const GlyphIndex* const charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin();
const Length* const glyphsPerCharacterBuffer = mVisualModel->mGlyphsPerCharacter.Begin();
const GlyphInfo* const glyphsBuffer = mVisualModel->mGlyphs.Begin();
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 ) ) ) );
+
// Swap the indices if the start is greater than the end.
- const bool indicesSwapped = ( selectionStart > selectionEnd );
+ const bool indicesSwapped = selectionStart > selectionEnd;
+
+ // Tell the decorator to flip the selection handles if needed.
+ mEventData->mDecorator->SetSelectionHandleFlipState( indicesSwapped, startDirection, endDirection );
+
if( indicesSwapped )
{
std::swap( selectionStart, selectionEnd );
const Length numberOfCharactersEnd = *( charactersPerGlyphBuffer + glyphEnd );
bool splitEndGlyph = ( glyphStart != glyphEnd ) && ( numberOfCharactersEnd > 1u ) && HasLigatureMustBreak( mLogicalModel->GetScript( selectionEndMinusOne ) );
- // Tell the decorator to swap the selection handles if needed.
- mEventData->mDecorator->SwapSelectionHandlesEnabled( firstLine.direction != indicesSwapped );
-
const Vector2 offset = mEventData->mScrollPosition + mAlignmentOffset;
// Traverse the glyphs.
mEventData->mDecorator->AddHighlight( xPosition,
offset.y,
xPosition + static_cast<float>( numberOfCharacters ) * glyphAdvance,
- height );
+ offset.y + height );
splitStartGlyph = false;
continue;
mEventData->mDecorator->AddHighlight( xPosition,
offset.y,
xPosition + static_cast<float>( interGlyphIndex ) * glyphAdvance,
- height );
+ offset.y + height );
splitEndGlyph = false;
continue;
}
const float xPosition = position.x - glyph.xBearing + offset.x;
- mEventData->mDecorator->AddHighlight( xPosition, offset.y, xPosition + glyph.advance, height );
+ mEventData->mDecorator->AddHighlight( xPosition,
+ offset.y,
+ xPosition + glyph.advance,
+ offset.y + height );
}
CursorInfo primaryCursorInfo;
const Vector2 primaryPosition = primaryCursorInfo.primaryPosition + offset;
const Vector2 secondaryPosition = secondaryCursorInfo.primaryPosition + offset;
- mEventData->mDecorator->SetPosition( LEFT_SELECTION_HANDLE, primaryPosition.x, primaryPosition.y, primaryCursorInfo.lineHeight );
+ mEventData->mDecorator->SetPosition( LEFT_SELECTION_HANDLE,
+ primaryPosition.x,
+ primaryCursorInfo.lineOffset + offset.y,
+ primaryCursorInfo.lineHeight );
+
+ mEventData->mDecorator->SetPosition( RIGHT_SELECTION_HANDLE,
+ secondaryPosition.x,
+ secondaryCursorInfo.lineOffset + offset.y,
+ secondaryCursorInfo.lineHeight );
- mEventData->mDecorator->SetPosition( RIGHT_SELECTION_HANDLE, secondaryPosition.x, secondaryPosition.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;
// Set the flag to update the decorator.
mEventData->mDecoratorUpdated = true;
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 );
+ 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 )
return;
}
- RepositionSelectionHandles( selectionStart, selectionEnd );
+ mEventData->mLeftSelectionPosition = selectionStart;
+ mEventData->mRightSelectionPosition = selectionEnd;
}
void Controller::Impl::SetPopupButtons()
TextSelectionPopup::Buttons buttonsToShow = TextSelectionPopup::NONE;
- if ( ( EventData::SELECTING == mEventData->mState ) || ( EventData::SELECTION_CHANGED == mEventData->mState ) )
+ if( EventData::SELECTING == mEventData->mState )
{
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->mState = newState;
mEventData->mDecoratorUpdated = true;
HideClipboard();
}
- else if ( EventData::INTERRUPTED == mEventData->mState)
+ else if( EventData::INTERRUPTED == mEventData->mState)
{
mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
mEventData->mDecoratorUpdated = true;
HideClipboard();
}
- else if ( EventData::SELECTING == mEventData->mState )
+ else if( EventData::SELECTING == mEventData->mState )
{
mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
mEventData->mDecorator->StopCursorBlink();
}
mEventData->mDecoratorUpdated = true;
}
- else if ( EventData::SELECTION_CHANGED == mEventData->mState )
- {
- if( mEventData->mGrabHandlePopupEnabled )
- {
- SetPopupButtons();
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
- mEventData->mDecorator->SetPopupActive( true );
- }
- mEventData->mDecoratorUpdated = true;
- }
else if( EventData::EDITING == mEventData->mState )
{
mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
}
else if( EventData::EDITING_WITH_POPUP == mEventData->mState )
{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "EDITING_WITH_POPUP \n", newState );
+
mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
if( mEventData->mCursorBlinkEnabled )
{
}
else if( EventData::EDITING_WITH_GRAB_HANDLE == mEventData->mState )
{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "EDITING_WITH_GRAB_HANDLE \n", newState );
+
mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
if( mEventData->mCursorBlinkEnabled )
{
mEventData->mDecoratorUpdated = true;
HideClipboard();
}
- else if ( EventData::SELECTION_HANDLE_PANNING == mEventData->mState )
+ else if( EventData::SELECTION_HANDLE_PANNING == mEventData->mState )
{
mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
mEventData->mDecorator->StopCursorBlink();
}
mEventData->mDecoratorUpdated = true;
}
- else if ( EventData::GRAB_HANDLE_PANNING == mEventData->mState )
+ else if( EventData::GRAB_HANDLE_PANNING == mEventData->mState )
{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "GRAB_HANDLE_PANNING \n", newState );
+
mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
if( mEventData->mCursorBlinkEnabled )
{
}
mEventData->mDecoratorUpdated = true;
}
- }
-}
+ else if( EventData::EDITING_WITH_PASTE_POPUP == mEventData->mState )
+ {
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "EDITING_WITH_PASTE_POPUP \n", newState );
-LineIndex Controller::Impl::GetClosestLine( float y ) const
-{
- float totalHeight = 0.f;
- LineIndex lineIndex = 0u;
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+ if( mEventData->mCursorBlinkEnabled )
+ {
+ mEventData->mDecorator->StartCursorBlink();
+ }
- 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;
- }
- }
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
- if( lineIndex == 0 )
- {
- return 0;
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ SetPopupButtons();
+ mEventData->mDecorator->SetPopupActive( true );
+ }
+ HideClipboard();
+ mEventData->mDecoratorUpdated = true;
+ }
}
-
- return lineIndex-1;
}
-void Controller::Impl::FindSelectionIndices( float visualX, float visualY, CharacterIndex& startIndex, CharacterIndex& endIndex )
+void Controller::Impl::GetCursorPosition( CharacterIndex logical,
+ CursorInfo& cursorInfo )
{
- CharacterIndex hitCharacter = GetClosestCursorIndex( visualX, visualY );
- if( hitCharacter >= mLogicalModel->mText.Count() )
+ if( !IsShowingRealText() )
{
- // Selection out of bounds.
- return;
- }
+ // Do not want to use the place-holder text to set the cursor position.
- startIndex = hitCharacter;
- endIndex = hitCharacter;
+ // Use the line's height of the font's family set to set the cursor's size.
+ // 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.
- if( !TextAbstraction::IsWhiteSpace( mLogicalModel->mText[hitCharacter] ) )
- {
- // Find the start and end of the text
- for( startIndex = hitCharacter; startIndex > 0; --startIndex )
+ cursorInfo.lineOffset = 0.f;
+ cursorInfo.lineHeight = GetDefaultFontLineHeight();
+ cursorInfo.primaryCursorHeight = cursorInfo.lineHeight;
+
+ switch( mLayoutEngine.GetHorizontalAlignment() )
{
- Character charCode = mLogicalModel->mText[ startIndex-1 ];
- if( TextAbstraction::IsWhiteSpace( charCode ) )
+ case LayoutEngine::HORIZONTAL_ALIGN_BEGIN:
{
+ cursorInfo.primaryPosition.x = 0.f;
break;
}
- }
- const CharacterIndex pastTheEnd = mLogicalModel->mText.Count();
- for( endIndex = hitCharacter + 1u; endIndex < pastTheEnd; ++endIndex )
- {
- Character charCode = mLogicalModel->mText[ endIndex ];
- if( TextAbstraction::IsWhiteSpace( charCode ) )
+ case LayoutEngine::HORIZONTAL_ALIGN_CENTER:
{
+ cursorInfo.primaryPosition.x = floorf( 0.5f * mVisualModel->mControlSize.width );
break;
}
- }
- }
-}
-
-CharacterIndex Controller::Impl::GetClosestCursorIndex( float visualX,
- float 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();
- const Length* const charactersPerGlyphBuffer = mVisualModel->mCharactersPerGlyph.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;
- 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 first glyph for that character in logical order.
- const GlyphIndex glyphLogicalOrderIndex = *( charactersToGlyphBuffer + characterLogicalOrderIndex );
- // The number of glyphs for that character
- const Length numberOfGlyphs = *( glyphsPerCharacterBuffer + characterLogicalOrderIndex );
-
- // Get the metrics for the group of glyphs.
- GlyphMetrics glyphMetrics;
- GetGlyphsMetrics( glyphLogicalOrderIndex,
- numberOfGlyphs,
- glyphMetrics,
- mVisualModel,
- mFontClient );
-
- const Vector2& position = *( positionsBuffer + glyphLogicalOrderIndex );
-
- // Prevents to jump the whole Latin ligatures like fi, ff, or Arabic ï»»...
- const Length numberOfCharactersInLigature = HasLigatureMustBreak( script ) ? *( charactersPerGlyphBuffer + glyphLogicalOrderIndex ) : 1u;
- const float glyphAdvance = glyphMetrics.advance / static_cast<float>( numberOfCharactersInLigature );
-
- for( GlyphIndex index = 0u; !matched && ( index < numberOfCharactersInLigature ); ++index )
- {
- // Find the mid-point of the area containing the glyph
- const float glyphCenter = -glyphMetrics.xBearing + position.x + ( static_cast<float>( index ) + 0.5f ) * glyphAdvance;
-
- if( visualX < glyphCenter )
+ case LayoutEngine::HORIZONTAL_ALIGN_END:
{
- visualIndex += index;
- matched = true;
+ cursorInfo.primaryPosition.x = mVisualModel->mControlSize.width - mEventData->mDecorator->GetCursorWidth();
break;
}
}
- if( matched )
+ switch( mLayoutEngine.GetVerticalAlignment() )
{
- break;
+ 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;
+ }
}
- }
-
- // 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 );
-
- return logicalIndex;
-}
-
-void Controller::Impl::GetCursorPosition( CharacterIndex logical,
- CursorInfo& cursorInfo )
-{
- // TODO: Check for multiline with \n, etc...
-
- // Check if the logical position is the first or the last one of the text.
- const bool isFirstPosition = 0u == logical;
- const bool isLastPosition = mLogicalModel->mText.Count() == logical;
-
- if( isFirstPosition && isLastPosition )
- {
- // There is zero characters. Get the default font's line height.
- cursorInfo.lineHeight = GetDefaultFontLineHeight();
- cursorInfo.primaryCursorHeight = cursorInfo.lineHeight;
-
- cursorInfo.primaryPosition.x = 1.f;
- cursorInfo.primaryPosition.y = 0.f;
// Nothing else to do.
return;
}
- // '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;
+ Text::GetCursorPosition( mVisualModel,
+ mLogicalModel,
+ mMetrics,
+ logical,
+ cursorInfo );
- // 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.
+ if( LayoutEngine::MULTI_LINE_BOX == mLayoutEngine.GetLayout() )
{
- isCurrentRightToLeft = *( modelCharacterDirectionsBuffer + characterIndex );
- isNextRightToLeft = *( modelCharacterDirectionsBuffer + nextCharacterIndex );
- }
+ // If the text is editable and multi-line, the cursor position after a white space shouldn't exceed the boundaries of the text control.
- // Get the line where the character is laid-out.
- const LineRun* const modelLines = mVisualModel->mLines.Begin();
+ // 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.
- 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:
-
- 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 there is a secondary position, the primary cursor may be in a different place than the logical index.
-
- if( isLastPosition )
+ if( 0.f > cursorInfo.primaryPosition.x )
{
- // 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.
-
- // TODO: check for more than one line!
- index = isRightToLeftParagraph ? line.characterRun.characterIndex : line.characterRun.characterIndex + line.characterRun.numberOfCharacters - 1u;
- index = mLogicalModel->GetLogicalCharacterIndex( index );
+ cursorInfo.primaryPosition.x = 0.f;
}
- else
- {
- index = ( isRightToLeftParagraph == isCurrentRightToLeft ) ? characterIndex : nextCharacterIndex;
- }
- }
- 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,
- mFontClient );
-
- // 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,
- mFontClient );
-
- // 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 );
}
}
return cursorIndex;
}
-void Controller::Impl::UpdateCursorPosition()
+void Controller::Impl::UpdateCursorPosition( const CursorInfo& cursorInfo )
{
DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::UpdateCursorPosition %p\n", this );
if( NULL == mEventData )
return;
}
- if( IsShowingPlaceholderText() )
- {
- // Do not want to use the place-holder text to set the cursor position.
-
- // Use the line's height of the font's family set to set the cursor's size.
- // 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.
-
- float lineHeight = 0.f;
-
- FontId defaultFontId = 0u;
- if( NULL == mFontDefaults )
- {
- defaultFontId = mFontClient.GetFontId( EMPTY_STRING,
- EMPTY_STRING );
- }
- else
- {
- defaultFontId = mFontDefaults->GetFontId( mFontClient );
- }
-
- Text::FontMetrics fontMetrics;
- mFontClient.GetFontMetrics( defaultFontId, fontMetrics );
-
- lineHeight = fontMetrics.ascender - fontMetrics.descender;
-
-
- Vector2 cursorPosition;
+ const Vector2 offset = mEventData->mScrollPosition + ( IsShowingRealText() ? mAlignmentOffset : Vector2::ZERO );
+ const Vector2 cursorPosition = cursorInfo.primaryPosition + offset;
- switch( mLayoutEngine.GetHorizontalAlignment() )
- {
- case LayoutEngine::HORIZONTAL_ALIGN_BEGIN:
- {
- cursorPosition.x = 1.f;
- break;
- }
- case LayoutEngine::HORIZONTAL_ALIGN_CENTER:
- {
- cursorPosition.x = floor( 0.5f * mVisualModel->mControlSize.width );
- break;
- }
- case LayoutEngine::HORIZONTAL_ALIGN_END:
- {
- cursorPosition.x = mVisualModel->mControlSize.width;
- break;
- }
- }
+ // Sets the cursor position.
+ mEventData->mDecorator->SetPosition( PRIMARY_CURSOR,
+ cursorPosition.x,
+ cursorPosition.y,
+ cursorInfo.primaryCursorHeight,
+ cursorInfo.lineHeight );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Primary cursor position: %f,%f\n", cursorPosition.x, cursorPosition.y );
- switch( mLayoutEngine.GetVerticalAlignment() )
- {
- case LayoutEngine::VERTICAL_ALIGN_TOP:
- {
- cursorPosition.y = 0.f;
- break;
- }
- case LayoutEngine::VERTICAL_ALIGN_CENTER:
- {
- cursorPosition.y = floorf( 0.5f * ( mVisualModel->mControlSize.height - lineHeight ) );
- break;
- }
- case LayoutEngine::VERTICAL_ALIGN_BOTTOM:
- {
- cursorPosition.y = mVisualModel->mControlSize.height - lineHeight;
- break;
- }
- }
+ // Sets the grab handle position.
+ mEventData->mDecorator->SetPosition( GRAB_HANDLE,
+ cursorPosition.x,
+ cursorInfo.lineOffset + offset.y,
+ cursorInfo.lineHeight );
- mEventData->mDecorator->SetPosition( PRIMARY_CURSOR,
- cursorPosition.x,
- cursorPosition.y,
- lineHeight,
- lineHeight );
- }
- else
+ if( cursorInfo.isSecondaryCursor )
{
- CursorInfo cursorInfo;
- GetCursorPosition( mEventData->mPrimaryCursorPosition,
- cursorInfo );
-
- const Vector2 offset = mEventData->mScrollPosition + mAlignmentOffset;
- const Vector2 cursorPosition = cursorInfo.primaryPosition + offset;
-
- // Sets the cursor position.
- mEventData->mDecorator->SetPosition( PRIMARY_CURSOR,
- cursorPosition.x,
- cursorPosition.y,
- cursorInfo.primaryCursorHeight,
- 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,
+ mEventData->mDecorator->SetPosition( SECONDARY_CURSOR,
+ cursorInfo.secondaryPosition.x + offset.x,
+ cursorInfo.secondaryPosition.y + offset.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 );
+ }
+ // Set which cursors are active according the state.
+ if( EventData::IsEditingState( mEventData->mState ) || ( EventData::GRAB_HANDLE_PANNING == mEventData->mState ) )
+ {
if( cursorInfo.isSecondaryCursor )
{
mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_BOTH );
- mEventData->mDecorator->SetPosition( SECONDARY_CURSOR,
- cursorInfo.secondaryPosition.x + offset.x,
- cursorInfo.secondaryPosition.y + offset.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 );
}
else
{
mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
}
}
+ else
+ {
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
+ }
+
DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::UpdateCursorPosition\n" );
}
-void Controller::Impl::UpdateSelectionHandle( HandleType handleType )
+void Controller::Impl::UpdateSelectionHandle( HandleType handleType,
+ const CursorInfo& cursorInfo )
{
if( ( LEFT_SELECTION_HANDLE != handleType ) &&
( RIGHT_SELECTION_HANDLE != handleType ) )
return;
}
- const bool leftSelectionHandle = LEFT_SELECTION_HANDLE == handleType;
- const CharacterIndex index = leftSelectionHandle ? mEventData->mLeftSelectionPosition : mEventData->mRightSelectionPosition;
-
- CursorInfo cursorInfo;
- GetCursorPosition( index,
- cursorInfo );
-
const Vector2 offset = mEventData->mScrollPosition + mAlignmentOffset;
const Vector2 cursorPosition = cursorInfo.primaryPosition + offset;
- // Sets the grab handle position.
+ // Sets the handle's position.
mEventData->mDecorator->SetPosition( handleType,
cursorPosition.x,
- cursorPosition.y,
+ cursorInfo.lineOffset + offset.y,
cursorInfo.lineHeight );
// If selection handle at start of the text and other at end of the text then all text is selected.
void Controller::Impl::ClampHorizontalScroll( const Vector2& actualSize )
{
// Clamp between -space & 0 (and the text alignment).
+
if( actualSize.width > mVisualModel->mControlSize.width )
{
const float space = ( actualSize.width - mVisualModel->mControlSize.width ) + mAlignmentOffset.x;
void Controller::Impl::ScrollToMakePositionVisible( const Vector2& position )
{
- Vector2 offset;
- bool updateDecorator = false;
- if( position.x < 0.f )
- {
- offset.x = -position.x;
- mEventData->mScrollPosition.x += offset.x;
- updateDecorator = true;
- }
- else if( position.x > mVisualModel->mControlSize.width )
+ // position is in actor's coords.
+ const float positionEnd = position.x + ( mEventData->mDecorator ? mEventData->mDecorator->GetCursorWidth() : 0.f );
+
+ // Transform the position to decorator coords.
+ const float alignment = IsShowingRealText() ? mAlignmentOffset.x : 0.f;
+ const float offset = mEventData->mScrollPosition.x + alignment;
+ const float decoratorPositionBegin = position.x + offset;
+ const float decoratorPositionEnd = positionEnd + offset;
+
+ if( decoratorPositionBegin < 0.f )
{
- offset.x = mVisualModel->mControlSize.width - position.x;
- mEventData->mScrollPosition.x += offset.x;
- updateDecorator = true;
+ mEventData->mScrollPosition.x = -position.x - alignment;
}
-
- if( updateDecorator && mEventData->mDecorator )
+ else if( decoratorPositionEnd > mVisualModel->mControlSize.width )
{
- mEventData->mDecorator->UpdatePositions( offset );
+ mEventData->mScrollPosition.x = mVisualModel->mControlSize.width - positionEnd - alignment;
}
-
- // TODO : calculate the vertical scroll.
}
-void Controller::Impl::ScrollTextToMatchCursor()
+void Controller::Impl::ScrollTextToMatchCursor( const CursorInfo& cursorInfo )
{
// Get the current cursor position in decorator coords.
const Vector2& currentCursorPosition = mEventData->mDecorator->GetPosition( PRIMARY_CURSOR );
- // Calculate the new cursor position.
- CursorInfo cursorInfo;
- GetCursorPosition( mEventData->mPrimaryCursorPosition,
- cursorInfo );
-
// Calculate the offset to match the cursor position before the character was deleted.
mEventData->mScrollPosition.x = currentCursorPosition.x - cursorInfo.primaryPosition.x - mAlignmentOffset.x;
- ClampHorizontalScroll( mVisualModel->GetActualSize() );
-
- const Vector2 offset = mEventData->mScrollPosition + mAlignmentOffset;
- const Vector2 cursorPosition = cursorInfo.primaryPosition + offset;
-
- // Sets the cursor position.
- mEventData->mDecorator->SetPosition( PRIMARY_CURSOR,
- cursorPosition.x,
- cursorPosition.y,
- cursorInfo.primaryCursorHeight,
- cursorInfo.lineHeight );
-
- // Sets the grab handle position.
- mEventData->mDecorator->SetPosition( GRAB_HANDLE,
- cursorPosition.x,
- cursorPosition.y,
- cursorInfo.lineHeight );
-
- if( cursorInfo.isSecondaryCursor )
- {
- mEventData->mDecorator->SetPosition( SECONDARY_CURSOR,
- cursorInfo.secondaryPosition.x + offset.x,
- cursorInfo.secondaryPosition.y + offset.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 );
- }
-
- // Set which cursors are active according the state.
- if( ( EventData::EDITING == mEventData->mState ) ||
- ( EventData::EDITING_WITH_POPUP == mEventData->mState ) ||
- ( EventData::GRAB_HANDLE_PANNING == mEventData->mState ) )
- {
- if( cursorInfo.isSecondaryCursor )
- {
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_BOTH );
- }
- else
- {
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
- }
- }
- else
- {
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
- }
+ ClampHorizontalScroll( mVisualModel->GetLayoutSize() );
}
void Controller::Impl::RequestRelayout()
projects / platform / core / uifw / dali-toolkit.git / blobdiff