// 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/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>
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
/**
float xBearing; ///< The x bearing of the first glyph.
};
-const std::string EMPTY_STRING("");
-
} // namespace
namespace Dali
* @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]
- * @param[in]
+ * @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,
- TextAbstraction::FontClient& fontClient )
+ VisualModelPtr& visualModel,
+ MetricsPtr& metrics )
{
const GlyphInfo* glyphsBuffer = visualModel->mGlyphs.Begin();
const GlyphInfo& firstGlyph = *( glyphsBuffer + glyphIndex );
Text::FontMetrics fontMetrics;
- fontClient.GetFontMetrics( firstGlyph.fontId, fontMetrics );
+ metrics->GetFontMetrics( firstGlyph.fontId, fontMetrics );
glyphMetrics.fontHeight = fontMetrics.height;
glyphMetrics.advance = firstGlyph.advance;
EventData::EventData( DecoratorPtr decorator )
: mDecorator( decorator ),
+ mImfManager(),
mPlaceholderTextActive(),
mPlaceholderTextInactive(),
mPlaceholderTextColor( 0.8f, 0.8f, 0.8f, 0.8f ),
mUpdateLeftSelectionPosition( false ),
mUpdateRightSelectionPosition( false ),
mScrollAfterUpdatePosition( false ),
- mScrollAfterDelete( false )
-{}
+ mScrollAfterDelete( false ),
+ mAllTextSelected( false ),
+ mUpdateInputStyle( false )
+{
+ mImfManager = ImfManager::Get();
+}
EventData::~EventData()
{}
OnTapEvent( *iter );
break;
}
+ case Event::LONG_PRESS_EVENT:
+ {
+ OnLongPressEvent( *iter );
+ break;
+ }
case Event::PAN_EVENT:
{
OnPanEvent( *iter );
}
}
-
// 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.
-
- 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;
}
-
- 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" );
void 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 );
const Length numberOfCharacters = utf32Characters.Count();
Vector<LineBreakInfo>& lineBreakInfo = mLogicalModel->mLineBreakInfo;
+ CharacterIndex startIndex = 0u;
+ Length requestedNumberOfCharacters = numberOfCharacters;
if( GET_LINE_BREAKS & operations )
{
// Retrieves the line break info. The line break info is used to split the text in 'paragraphs' to
lineBreakInfo.Resize( numberOfCharacters, TextAbstraction::LINE_NO_BREAK );
SetLineBreakInfo( utf32Characters,
+ startIndex,
+ requestedNumberOfCharacters,
lineBreakInfo );
+
+ // Create the paragraph info.
+ mLogicalModel->CreateParagraphInfo( startIndex,
+ requestedNumberOfCharacters );
}
Vector<WordBreakInfo>& wordBreakInfo = mLogicalModel->mWordBreakInfo;
wordBreakInfo.Resize( numberOfCharacters, TextAbstraction::WORD_NO_BREAK );
SetWordBreakInfo( utf32Characters,
+ startIndex,
+ requestedNumberOfCharacters,
wordBreakInfo );
}
{
// 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 );
}
}
Vector<Character> mirroredUtf32Characters;
bool textMirrored = false;
+ Length numberOfParagraphs = 0u;
if( 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 )
{
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();
}
-
- }
+ }
Vector<GlyphInfo>& glyphs = mVisualModel->mGlyphs;
Vector<CharacterIndex>& glyphsToCharactersMap = mVisualModel->mGlyphsToCharacters;
Vector<Length>& charactersPerGlyph = mVisualModel->mCharactersPerGlyph;
+ Vector<GlyphIndex> newParagraphGlyphs;
+ newParagraphGlyphs.Reserve( numberOfParagraphs );
+
+ GlyphIndex startGlyphIndex = 0u;
if( SHAPE_TEXT & operations )
{
const Vector<Character>& textToShape = textMirrored ? mirroredUtf32Characters : utf32Characters;
lineBreakInfo,
scripts,
validFonts,
+ startIndex,
+ startGlyphIndex,
+ 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, numberOfCharacters );
+ mVisualModel->CreateCharacterToGlyphTable( startIndex, numberOfCharacters );
}
const Length numberOfGlyphs = glyphs.Count();
if( GET_GLYPH_METRICS & operations )
{
- mFontClient.GetGlyphMetrics( glyphs.Begin(), numberOfGlyphs );
+ GlyphInfo* glyphsBuffer = glyphs.Begin() + startGlyphIndex;
+ mMetrics->GetGlyphMetrics( glyphsBuffer, 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;
+ }
+ }
+
+ if( ( NULL != mEventData ) &&
+ mEventData->mPreEditFlag &&
+ ( 0u != mVisualModel->mCharactersToGlyph.Count() ) )
+ {
+ // 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 );
+ }
+}
+
+bool Controller::Impl::UpdateModelStyle( OperationsMask operationsRequired )
+{
+ bool updated = false;
+
+ if( COLOR & operationsRequired )
+ {
+ // Set the color runs in glyphs.
+ SetColorSegmentationInfo( mLogicalModel->mColorRuns,
+ mVisualModel->mCharactersToGlyph,
+ mVisualModel->mGlyphsPerCharacter,
+ mVisualModel->mColorRuns );
+
+ updated = true;
}
+
+ 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;
+
+ // Sets the default font's family name, weight, width, slant and size.
if( mFontDefaults )
{
- FontRun fontRun;
- fontRun.characterRun.characterIndex = 0;
- fontRun.characterRun.numberOfCharacters = numberOfCharacters;
- fontRun.fontId = mFontDefaults->GetFontId( mFontClient );
- fontRun.isDefault = true;
+ inputStyle.familyName = mFontDefaults->mFontDescription.family;
+ inputStyle.weight = mFontDefaults->mFontDescription.weight;
+ inputStyle.width = mFontDefaults->mFontDescription.width;
+ inputStyle.slant = mFontDefaults->mFontDescription.slant;
+ inputStyle.size = mFontDefaults->mDefaultPointSize;
+
+ inputStyle.familyDefined = mFontDefaults->familyDefined;
+ inputStyle.weightDefined = mFontDefaults->weightDefined;
+ inputStyle.widthDefined = mFontDefaults->widthDefined;
+ inputStyle.slantDefined = mFontDefaults->slantDefined;
+ inputStyle.sizeDefined = mFontDefaults->sizeDefined;
+ }
+ else
+ {
+ 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;
+ }
+}
- fonts.PushBack( fontRun );
+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;
+ mMetrics->GetFontMetrics( defaultFontId, fontMetrics );
+
+ return( fontMetrics.ascender - fontMetrics.descender );
}
void Controller::Impl::OnCursorKeyEvent( const Event& event )
}
else if( Dali::DALI_KEY_CURSOR_RIGHT == keyCode )
{
- if( mLogicalModel->GetNumberOfCharacters() > mEventData->mPrimaryCursorPosition )
+ if( mLogicalModel->mText.Count() > mEventData->mPrimaryCursorPosition )
{
mEventData->mPrimaryCursorPosition = CalculateNewCursorIndex( mEventData->mPrimaryCursorPosition );
}
}
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 );
+
+ // 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 )
+{
+ DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::OnLongPressEvent\n" );
+
+ if( EventData::EDITING == mEventData->mState )
+ {
+ ChangeState ( EventData::EDITING_WITH_POPUP );
+ mEventData->mDecoratorUpdated = true;
+ }
+}
+
void Controller::Impl::OnHandleEvent( const Event& event )
{
if( NULL == mEventData )
{
ChangeState ( EventData::SELECTION_HANDLE_PANNING );
- if( handleNewPosition != mEventData->mLeftSelectionPosition )
+ if( ( handleNewPosition != mEventData->mLeftSelectionPosition ) &&
+ ( handleNewPosition != mEventData->mRightSelectionPosition ) )
{
mEventData->mLeftSelectionPosition = handleNewPosition;
- RepositionSelectionHandles( mEventData->mLeftSelectionPosition,
- mEventData->mRightSelectionPosition );
-
mEventData->mUpdateLeftSelectionPosition = true;
}
}
{
ChangeState ( EventData::SELECTION_HANDLE_PANNING );
- if( handleNewPosition != mEventData->mRightSelectionPosition )
+ if( ( handleNewPosition != mEventData->mRightSelectionPosition ) &&
+ ( handleNewPosition != mEventData->mLeftSelectionPosition ) )
{
mEventData->mRightSelectionPosition = handleNewPosition;
- RepositionSelectionHandles( mEventData->mLeftSelectionPosition,
- mEventData->mRightSelectionPosition );
-
mEventData->mUpdateRightSelectionPosition = true;
}
}
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( handleStopScrolling )
{
- mEventData->mUpdateLeftSelectionPosition = mEventData->mLeftSelectionPosition != handlePosition;
+ mEventData->mUpdateLeftSelectionPosition = ( mEventData->mRightSelectionPosition != handlePosition );
mEventData->mScrollAfterUpdatePosition = mEventData->mUpdateLeftSelectionPosition;
- mEventData->mLeftSelectionPosition = handlePosition;
if( mEventData->mUpdateLeftSelectionPosition )
{
- RepositionSelectionHandles( mEventData->mLeftSelectionPosition,
- mEventData->mRightSelectionPosition );
+ mEventData->mLeftSelectionPosition = handlePosition;
}
}
}
if( handleStopScrolling )
{
- mEventData->mUpdateRightSelectionPosition = mEventData->mRightSelectionPosition != handlePosition;
+ mEventData->mUpdateRightSelectionPosition = ( mEventData->mLeftSelectionPosition != handlePosition );
mEventData->mScrollAfterUpdatePosition = mEventData->mUpdateRightSelectionPosition;
- mEventData->mRightSelectionPosition = handlePosition;
-
if( mEventData->mUpdateRightSelectionPosition )
{
- RepositionSelectionHandles( mEventData->mLeftSelectionPosition,
- mEventData->mRightSelectionPosition );
+ mEventData->mRightSelectionPosition = handlePosition;
}
}
}
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;
ClampHorizontalScroll( actualSize );
+ bool endOfScroll = false;
+ if( Vector2::ZERO == ( currentScrollPosition - mEventData->mScrollPosition ) )
+ {
+ // Notify the decorator there is no more text to scroll.
+ // The decorator won't send more scroll events.
+ mEventData->mDecorator->NotifyEndOfScroll();
+ // Still need to set the position of the handle.
+ endOfScroll = true;
+ }
+
+ // Set the position of the handle.
+ const bool scrollRightDirection = xSpeed > 0.f;
const bool leftSelectionHandleEvent = Event::LEFT_SELECTION_HANDLE_EVENT == event.type;
const bool rightSelectionHandleEvent = Event::RIGHT_SELECTION_HANDLE_EVENT == event.type;
if( Event::GRAB_HANDLE_EVENT == event.type )
{
ChangeState( EventData::GRAB_HANDLE_PANNING );
+
+ 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;
+
+ // 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 );
+
+ mEventData->mUpdateCursorPosition = mEventData->mPrimaryCursorPosition != handlePosition;
+ mEventData->mScrollAfterUpdatePosition = mEventData->mUpdateCursorPosition;
+ mEventData->mPrimaryCursorPosition = handlePosition;
+ mEventData->mUpdateInputStyle = mEventData->mUpdateCursorPosition;
}
else if( leftSelectionHandleEvent || rightSelectionHandleEvent )
{
ChangeState( EventData::SELECTION_HANDLE_PANNING );
- const Vector2& position = mEventData->mDecorator->GetPosition( leftSelectionHandleEvent ? Text::LEFT_SELECTION_HANDLE : Text::RIGHT_SELECTION_HANDLE );
+ 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;
// Get the new handle position.
// The selection handle's position is in decorator coords. Need to transforms to text coords.
if( leftSelectionHandleEvent )
{
- mEventData->mUpdateLeftSelectionPosition = handlePosition != mEventData->mLeftSelectionPosition;
- mEventData->mLeftSelectionPosition = handlePosition;
+ const bool differentHandles = ( mEventData->mLeftSelectionPosition != handlePosition ) && ( mEventData->mRightSelectionPosition != handlePosition );
+ mEventData->mUpdateLeftSelectionPosition = endOfScroll || differentHandles;
+ if( differentHandles )
+ {
+ mEventData->mLeftSelectionPosition = handlePosition;
+ }
}
else
{
- mEventData->mUpdateRightSelectionPosition = handlePosition != mEventData->mRightSelectionPosition;
- mEventData->mRightSelectionPosition = handlePosition;
+ const bool differentHandles = ( mEventData->mRightSelectionPosition != handlePosition ) && ( mEventData->mLeftSelectionPosition != handlePosition );
+ mEventData->mUpdateRightSelectionPosition = endOfScroll || differentHandles;
+ if( differentHandles )
+ {
+ mEventData->mRightSelectionPosition = handlePosition;
+ }
}
if( mEventData->mUpdateLeftSelectionPosition || mEventData->mUpdateRightSelectionPosition )
{
- RepositionSelectionHandles( mEventData->mLeftSelectionPosition,
- mEventData->mRightSelectionPosition );
+ RepositionSelectionHandles();
+
+ mEventData->mScrollAfterUpdatePosition = true;
}
}
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;
+ // Calculates the logical position from the x,y coords.
RepositionSelectionHandles( xPosition,
yPosition );
- mEventData->mScrollAfterUpdatePosition = true;
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 )
{
- RepositionSelectionHandles( 0u,
- mLogicalModel->mText.Count() );
+ mEventData->mLeftSelectionPosition = 0u;
+ mEventData->mRightSelectionPosition = mLogicalModel->mText.Count();
mEventData->mScrollAfterUpdatePosition = true;
mEventData->mUpdateLeftSelectionPosition = true;
}
}
-void Controller::Impl::RepositionSelectionHandles( CharacterIndex selectionStart, CharacterIndex selectionEnd )
+void Controller::Impl::RetrieveSelection( std::string& selectedText, bool deleteAfterRetrieval )
+{
+ if( mEventData->mLeftSelectionPosition == mEventData->mRightSelectionPosition )
+ {
+ // Nothing to select if handles are in the same place.
+ selectedText.clear();
+ return;
+ }
+
+ const bool handlesCrossed = mEventData->mLeftSelectionPosition > mEventData->mRightSelectionPosition;
+
+ //Get start and end position of selection
+ const CharacterIndex startOfSelectedText = handlesCrossed ? mEventData->mRightSelectionPosition : mEventData->mLeftSelectionPosition;
+ const Length lengthOfSelectedText = ( handlesCrossed ? mEventData->mLeftSelectionPosition : mEventData->mRightSelectionPosition ) - startOfSelectedText;
+
+ // Validate the start and end selection points
+ if( ( startOfSelectedText + lengthOfSelectedText ) <= mLogicalModel->mText.Count() )
+ {
+ //Get text as a UTF8 string
+ Vector<Character>& utf32Characters = mLogicalModel->mText;
+
+ Utf32ToUtf8( &utf32Characters[startOfSelectedText], lengthOfSelectedText, selectedText );
+
+ if( deleteAfterRetrieval ) // Only delete text if copied successfully
+ {
+ // Set as input style the style of the first deleted character.
+ mLogicalModel->RetrieveStyle( startOfSelectedText, mEventData->mInputStyle );
+
+ mLogicalModel->UpdateTextStyleRuns( startOfSelectedText, -static_cast<int>( lengthOfSelectedText ) );
+
+ // Delete text between handles
+ Vector<Character>& currentText = mLogicalModel->mText;
+
+ Vector<Character>::Iterator first = currentText.Begin() + startOfSelectedText;
+ Vector<Character>::Iterator last = first + lengthOfSelectedText;
+ currentText.Erase( first, last );
+
+ // Scroll after delete.
+ 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;
+ mEventData->mDecoratorUpdated = true;
+ }
+}
+
+void Controller::Impl::ShowClipboard()
+{
+ if( mClipboard )
+ {
+ mClipboard.ShowClipboard();
+ }
+}
+
+void Controller::Impl::HideClipboard()
+{
+ if( mClipboard )
+ {
+ mClipboard.HideClipboard();
+ }
+}
+
+bool Controller::Impl::CopyStringToClipboard( std::string& source )
+{
+ //Send string to clipboard
+ return ( mClipboard && mClipboard.SetItem( source ) );
+}
+
+void Controller::Impl::SendSelectionToClipboard( bool deleteAfterSending )
+{
+ std::string selectedText;
+ RetrieveSelection( selectedText, deleteAfterSending );
+ CopyStringToClipboard( selectedText );
+ ChangeState( EventData::EDITING );
+}
+
+void Controller::Impl::GetTextFromClipboard( unsigned int itemIndex, std::string& retrievedString )
+{
+ if ( mClipboard )
+ {
+ retrievedString = mClipboard.GetItem( itemIndex );
+ }
+}
+
+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 Vector2* const positionsBuffer = mVisualModel->mGlyphPositions.Begin();
+ const Length* const charactersPerGlyphBuffer = mVisualModel->mCharactersPerGlyph.Begin();
+ 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 indicesSwapped = ( selectionStart > selectionEnd );
+ 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;
+
+ // Tell the decorator to flip the selection handles if needed.
+ mEventData->mDecorator->SetSelectionHandleFlipState( indicesSwapped, startDirection, endDirection );
+
if( indicesSwapped )
{
std::swap( selectionStart, selectionEnd );
}
- GlyphIndex glyphStart = *( charactersToGlyphBuffer + selectionStart );
- GlyphIndex glyphEnd = *( charactersToGlyphBuffer + ( selectionEnd - 1u ) ) + *( glyphsPerCharacterBuffer + ( selectionEnd - 1u ) ) - 1u;
+ // Get the indices to the first and last selected glyphs.
+ const CharacterIndex selectionEndMinusOne = selectionEnd - 1u;
+ const GlyphIndex glyphStart = *( charactersToGlyphBuffer + selectionStart );
+ const Length numberOfGlyphs = *( glyphsPerCharacterBuffer + selectionEndMinusOne );
+ const GlyphIndex glyphEnd = *( charactersToGlyphBuffer + selectionEndMinusOne ) + ( ( numberOfGlyphs > 0 ) ? numberOfGlyphs - 1u : 0u );
+
+ // 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 ) );
- mEventData->mDecorator->SwapSelectionHandlesEnabled( firstLine.direction != indicesSwapped );
+ // Check if the last glyph is a ligature that must be broken like Latin ff, fi, or Arabic ﻻ, etc which needs special code.
+ const Length numberOfCharactersEnd = *( charactersPerGlyphBuffer + glyphEnd );
+ bool splitEndGlyph = ( glyphStart != glyphEnd ) && ( numberOfCharactersEnd > 1u ) && HasLigatureMustBreak( mLogicalModel->GetScript( selectionEndMinusOne ) );
const Vector2 offset = mEventData->mScrollPosition + mAlignmentOffset;
+ // Traverse the glyphs.
for( GlyphIndex index = glyphStart; index <= glyphEnd; ++index )
{
const GlyphInfo& glyph = *( glyphsBuffer + index );
const Vector2& position = *( positionsBuffer + index );
+ if( splitStartGlyph )
+ {
+ // If the first glyph is a ligature that must be broken it may be needed to add only part of the glyph to the highlight box.
+
+ const float glyphAdvance = glyph.advance / static_cast<float>( numberOfCharactersStart );
+ const CharacterIndex interGlyphIndex = selectionStart - *( glyphToCharacterBuffer + glyphStart );
+ // Get the direction of the character.
+ CharacterDirection isCurrentRightToLeft = false;
+ if( NULL != modelCharacterDirectionsBuffer ) // If modelCharacterDirectionsBuffer is NULL, it means the whole text is left to right.
+ {
+ isCurrentRightToLeft = *( modelCharacterDirectionsBuffer + selectionStart );
+ }
+
+ // The end point could be in the middle of the ligature.
+ // 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 );
+
+ mEventData->mDecorator->AddHighlight( xPosition,
+ offset.y,
+ xPosition + static_cast<float>( numberOfCharacters ) * glyphAdvance,
+ offset.y + height );
+
+ splitStartGlyph = false;
+ continue;
+ }
+
+ if( splitEndGlyph && ( index == glyphEnd ) )
+ {
+ // Equally, if the last glyph is a ligature that must be broken it may be needed to add only part of the glyph to the highlight box.
+
+ const float glyphAdvance = glyph.advance / static_cast<float>( numberOfCharactersEnd );
+ const CharacterIndex interGlyphIndex = selectionEnd - *( glyphToCharacterBuffer + glyphEnd );
+ // Get the direction of the character.
+ CharacterDirection isCurrentRightToLeft = false;
+ if( NULL != modelCharacterDirectionsBuffer ) // If modelCharacterDirectionsBuffer is NULL, it means the whole text is left to right.
+ {
+ isCurrentRightToLeft = *( modelCharacterDirectionsBuffer + selectionEnd );
+ }
+
+ 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 );
+
+ 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;
return;
}
- RepositionSelectionHandles( selectionStart, selectionEnd );
+ mEventData->mLeftSelectionPosition = selectionStart;
+ mEventData->mRightSelectionPosition = selectionEnd;
+}
+
+void Controller::Impl::SetPopupButtons()
+{
+ /**
+ * Sets the Popup buttons to be shown depending on State.
+ *
+ * If SELECTING : CUT & COPY + ( PASTE & CLIPBOARD if content available to paste )
+ *
+ * If EDITING_WITH_POPUP : SELECT & SELECT_ALL
+ */
+
+ TextSelectionPopup::Buttons buttonsToShow = TextSelectionPopup::NONE;
+
+ if( EventData::SELECTING == mEventData->mState )
+ {
+ buttonsToShow = TextSelectionPopup::Buttons( TextSelectionPopup::CUT | TextSelectionPopup::COPY );
+
+ if( !IsClipboardEmpty() )
+ {
+ buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) );
+ buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::CLIPBOARD ) );
+ }
+
+ if( !mEventData->mAllTextSelected )
+ {
+ buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::SELECT_ALL ) );
+ }
+ }
+ else if( EventData::EDITING_WITH_POPUP == mEventData->mState )
+ {
+ 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 ) );
+ buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::CLIPBOARD ) );
+ }
+ }
+
+ mEventData->mDecorator->SetEnabledPopupButtons( buttonsToShow );
}
void Controller::Impl::ChangeState( EventData::State newState )
return;
}
+ DALI_LOG_INFO( gLogFilter, Debug::General, "ChangeState state:%d newstate:%d\n", mEventData->mState, newState );
+
if( mEventData->mState != newState )
{
mEventData->mState = newState;
mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
mEventData->mDecorator->SetPopupActive( false );
mEventData->mDecoratorUpdated = true;
+ HideClipboard();
}
- else if ( EventData::SELECTING == mEventData->mState )
+ 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( RIGHT_SELECTION_HANDLE, true );
if( mEventData->mGrabHandlePopupEnabled )
{
- TextSelectionPopup::Buttons buttonsToShow = TextSelectionPopup::Buttons( TextSelectionPopup::CUT | TextSelectionPopup::COPY );
- if ( !IsClipboardEmpty() )
- {
- buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) );
- }
-
- mEventData->mDecorator->SetEnabledPopupButtons( buttonsToShow );
- mEventData->mDecorator->SetPopupActive( true );
- }
- mEventData->mDecoratorUpdated = true;
- }
- else if ( EventData::SELECTION_CHANGED == mEventData->mState )
- {
- if( mEventData->mGrabHandlePopupEnabled )
- {
- TextSelectionPopup::Buttons buttonsToShow = TextSelectionPopup::Buttons( TextSelectionPopup::CUT | TextSelectionPopup::COPY );
- if ( !IsClipboardEmpty() )
- {
- buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) );
- }
- mEventData->mDecorator->SetEnabledPopupButtons( buttonsToShow );
+ SetPopupButtons();
mEventData->mDecorator->SetPopupActive( true );
}
mEventData->mDecoratorUpdated = true;
mEventData->mDecorator->SetPopupActive( false );
}
mEventData->mDecoratorUpdated = true;
+ HideClipboard();
}
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 )
{
}
if( mEventData->mGrabHandlePopupEnabled )
{
- TextSelectionPopup::Buttons buttonsToShow = TextSelectionPopup::Buttons( TextSelectionPopup::SELECT | TextSelectionPopup::SELECT_ALL );
-
- if ( !IsClipboardEmpty() )
- {
- buttonsToShow = TextSelectionPopup::Buttons ( ( buttonsToShow | TextSelectionPopup::PASTE ) );
- }
-
- mEventData->mDecorator->SetEnabledPopupButtons( buttonsToShow );
+ SetPopupButtons();
mEventData->mDecorator->SetPopupActive( true );
}
+ HideClipboard();
mEventData->mDecoratorUpdated = true;
}
- else if ( EventData::SELECTION_HANDLE_PANNING == mEventData->mState )
+ 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->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 );
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ mEventData->mDecorator->SetPopupActive( false );
+ }
+ mEventData->mDecoratorUpdated = true;
+ HideClipboard();
+ }
+ 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 );
+
+ 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 );
+
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ SetPopupButtons();
+ mEventData->mDecorator->SetPopupActive( true );
+ }
+ HideClipboard();
+ mEventData->mDecoratorUpdated = true;
+ }
}
}
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() )
{
- // Selection out of bounds.
- return;
+ // 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;
+ }
}
startIndex = hitCharacter;
endIndex = hitCharacter;
+ bool isHitCharacterWhitespace = TextAbstraction::IsWhiteSpace( mLogicalModel->mText[hitCharacter] );
- if( !TextAbstraction::IsWhiteSpace( mLogicalModel->mText[hitCharacter] ) )
+ // Find the start and end of the text
+ for( startIndex = hitCharacter; startIndex > 0; --startIndex )
{
- // Find the start and end of the text
- for( startIndex = hitCharacter; startIndex > 0; --startIndex )
+ if( isHitCharacterWhitespace != TextAbstraction::IsWhiteSpace( mLogicalModel->mText[ startIndex-1 ] ) )
{
- Character charCode = mLogicalModel->mText[ startIndex-1 ];
- if( TextAbstraction::IsWhiteSpace( charCode ) )
- {
- break;
- }
+ break;
}
- const CharacterIndex pastTheEnd = mLogicalModel->mText.Count();
- for( endIndex = hitCharacter + 1u; endIndex < pastTheEnd; ++endIndex )
+ }
+ const CharacterIndex pastTheEnd = mLogicalModel->mText.Count();
+ for( endIndex = hitCharacter + 1u; endIndex < pastTheEnd; ++endIndex )
+ {
+ if( isHitCharacterWhitespace != TextAbstraction::IsWhiteSpace( mLogicalModel->mText[ endIndex ] ) )
{
- Character charCode = mLogicalModel->mText[ endIndex ];
- if( TextAbstraction::IsWhiteSpace( charCode ) )
- {
- break;
- }
+ 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.
const Length numberOfGlyphs = mVisualModel->mGlyphs.Count();
const Length numberOfLines = mVisualModel->mLines.Count();
- if( 0 == numberOfGlyphs ||
- 0 == numberOfLines )
+ if( ( 0 == numberOfGlyphs ) ||
+ ( 0 == numberOfLines ) )
{
return logicalIndex;
}
// 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;
- // The first glyph for that character in logical order.
- const GlyphIndex glyphLogicalOrderIndex = *( charactersToGlyphBuffer + characterLogicalOrderIndex );
+ // 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;
- // Get the metrics for the group of glyphs.
- GlyphMetrics glyphMetrics;
- GetGlyphsMetrics( glyphLogicalOrderIndex,
- numberOfGlyphs,
- glyphMetrics,
- mVisualModel,
- mFontClient );
- const Vector2& position = *( positionsBuffer + glyphLogicalOrderIndex );
+ 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 );
- // Find the mid-point of the area containing the glyph
- const float glyphCenter = -glyphMetrics.xBearing + position.x + 0.5f * glyphMetrics.advance;
+ // Get the metrics for the group of glyphs.
+ GlyphMetrics glyphMetrics;
+ GetGlyphsMetrics( firstLogicalGlyphIndex,
+ numberOfGlyphs,
+ glyphMetrics,
+ mVisualModel,
+ mMetrics );
- if( visualX < glyphCenter )
- {
- matched = true;
- break;
+ // 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 );
+
+ GlyphIndex index = 0u;
+ for( ; !matched && ( index < numberOfBlocks ); ++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 )
+ {
+ matched = true;
+ break;
+ }
+ }
+
+ if( matched )
+ {
+ visualIndex = firstVisualCharacterIndex + index;
+ break;
+ }
+
+ numberOfCharacters = 0u;
}
+
}
+
// Return the logical position of the cursor in characters.
if( !matched )
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;
}
{
// 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->GetNumberOfCharacters() == logical;
-
- if( isFirstPosition && isLastPosition )
+ const Length numberOfCharacters = mLogicalModel->mText.Count();
+ if( !IsShowingRealText() )
{
- // There is zero characters. Get the default font.
+ // Do not want to use the place-holder text to set the cursor position.
- FontId defaultFontId = 0u;
- if( NULL == mFontDefaults )
+ // 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.
+
+ cursorInfo.lineOffset = 0.f;
+ cursorInfo.lineHeight = GetDefaultFontLineHeight();
+ cursorInfo.primaryCursorHeight = cursorInfo.lineHeight;
+
+ switch( mLayoutEngine.GetHorizontalAlignment() )
{
- defaultFontId = mFontClient.GetFontId( EMPTY_STRING,
- EMPTY_STRING );
+ case LayoutEngine::HORIZONTAL_ALIGN_BEGIN:
+ {
+ cursorInfo.primaryPosition.x = 0.f;
+ break;
+ }
+ case LayoutEngine::HORIZONTAL_ALIGN_CENTER:
+ {
+ cursorInfo.primaryPosition.x = floorf( 0.5f * mVisualModel->mControlSize.width );
+ break;
+ }
+ case LayoutEngine::HORIZONTAL_ALIGN_END:
+ {
+ cursorInfo.primaryPosition.x = mVisualModel->mControlSize.width - mEventData->mDecorator->GetCursorWidth();
+ break;
+ }
}
- else
+
+ switch( mLayoutEngine.GetVerticalAlignment() )
{
- defaultFontId = mFontDefaults->GetFontId( mFontClient );
+ 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;
+ }
}
- Text::FontMetrics fontMetrics;
- mFontClient.GetFontMetrics( defaultFontId, fontMetrics );
-
- cursorInfo.lineHeight = fontMetrics.ascender - fontMetrics.descender;
- cursorInfo.primaryCursorHeight = cursorInfo.lineHeight;
-
- cursorInfo.primaryPosition.x = 0.f;
- cursorInfo.primaryPosition.y = 0.f;
-
// Nothing else to do.
return;
}
- // Get the previous logical index.
- const CharacterIndex previousLogical = isFirstPosition ? 0u : logical - 1u;
+ // 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;
- // Decrease the logical index if it's the last one.
- if( isLastPosition )
- {
- --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 previous one.
+ // 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 isPreviousRightToLeft = false;
+ CharacterDirection isNextRightToLeft = false;
if( NULL != modelCharacterDirectionsBuffer ) // If modelCharacterDirectionsBuffer is NULL, it means the whole text is left to right.
{
- isCurrentRightToLeft = *( modelCharacterDirectionsBuffer + logical );
- isPreviousRightToLeft = *( modelCharacterDirectionsBuffer + previousLogical );
+ isCurrentRightToLeft = *( modelCharacterDirectionsBuffer + characterIndex );
+ isNextRightToLeft = *( modelCharacterDirectionsBuffer + nextCharacterIndex );
}
// Get the line where the character is laid-out.
- const LineRun* modelLines = mVisualModel->mLines.Begin();
+ const LineRun* const modelLines = mVisualModel->mLines.Begin();
- const LineIndex lineIndex = mVisualModel->GetLineOfCharacter( logical );
+ const LineIndex lineIndex = mVisualModel->GetLineOfCharacter( characterIndex );
const LineRun& line = *( modelLines + lineIndex );
// Get the paragraph's direction.
// Check whether there is an alternative position:
- cursorInfo.isSecondaryCursor = ( isCurrentRightToLeft != isPreviousRightToLeft ) ||
- ( isLastPosition && ( isRightToLeftParagraph != isCurrentRightToLeft ) );
+ cursorInfo.isSecondaryCursor = ( !isLastPosition && ( isCurrentRightToLeft != isNextRightToLeft ) ) ||
+ ( isLastPosition && ( isRightToLeftParagraph != isCurrentRightToLeft ) );
- // Set the line height.
+ // Set the line offset and height.
+ cursorInfo.lineOffset = 0.f;
cursorInfo.lineHeight = line.ascender + -line.descender;
- // Convert the cursor position into the glyph position.
- CharacterIndex characterIndex = logical;
- if( cursorInfo.isSecondaryCursor &&
- ( isRightToLeftParagraph != isCurrentRightToLeft ) )
+ // Calculate the primary cursor.
+
+ CharacterIndex index = characterIndex;
+ if( cursorInfo.isSecondaryCursor )
{
- characterIndex = previousLogical;
+ // If there is a secondary position, the primary cursor may be in a different place than the logical index.
+
+ 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.
+
+ // TODO: check for more than one line!
+ index = isRightToLeftParagraph ? line.characterRun.characterIndex : line.characterRun.characterIndex + line.characterRun.numberOfCharacters - 1u;
+ index = mLogicalModel->GetLogicalCharacterIndex( index );
+ }
+ else
+ {
+ index = ( isRightToLeftParagraph == isCurrentRightToLeft ) ? characterIndex : nextCharacterIndex;
+ }
}
- const GlyphIndex currentGlyphIndex = *( mVisualModel->mCharactersToGlyph.Begin() + characterIndex );
- const Length numberOfGlyphs = *( mVisualModel->mGlyphsPerCharacter.Begin() + characterIndex );
- const Length numberOfCharacters = *( mVisualModel->mCharactersPerGlyph.Begin() +currentGlyphIndex );
+ 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( currentGlyphIndex,
- numberOfGlyphs,
+ GetGlyphsMetrics( primaryGlyphIndex,
+ primaryNumberOfGlyphs,
glyphMetrics,
mVisualModel,
- mFontClient );
+ 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;
- float interGlyphAdvance = 0.f;
if( !isLastPosition &&
- ( numberOfCharacters > 1u ) )
+ ( primaryNumberOfCharacters > 1u ) )
{
- const CharacterIndex firstIndex = *( mVisualModel->mGlyphsToCharacters.Begin() + currentGlyphIndex );
- interGlyphAdvance = static_cast<float>( characterIndex - firstIndex ) * glyphMetrics.advance / static_cast<float>( numberOfCharacters );
- }
-
- // Get the glyph position and x bearing.
- const Vector2& currentPosition = *( mVisualModel->mGlyphPositions.Begin() + currentGlyphIndex );
-
- // Set the cursor's height.
- cursorInfo.primaryCursorHeight = glyphMetrics.fontHeight;
+ const CharacterIndex firstIndex = *( glyphsToCharactersBuffer + primaryGlyphIndex );
- // Set the position.
- cursorInfo.primaryPosition.x = -glyphMetrics.xBearing + currentPosition.x + ( isCurrentRightToLeft ? glyphMetrics.advance : interGlyphAdvance );
- cursorInfo.primaryPosition.y = line.ascender - glyphMetrics.ascender;
-
- if( isLastPosition )
- {
- // The position of the cursor after the last character needs special
- // care depending on its direction and the direction of the paragraph.
+ bool isCurrentRightToLeft = false;
+ if( NULL != modelCharacterDirectionsBuffer ) // If modelCharacterDirectionsBuffer is NULL, it means the whole text is left to right.
+ {
+ isCurrentRightToLeft = *( modelCharacterDirectionsBuffer + index );
+ }
- if( cursorInfo.isSecondaryCursor )
+ Length numberOfGlyphAdvance = ( isFirstPosition ? 0u : 1u ) + characterIndex - firstIndex;
+ if( isCurrentRightToLeft )
{
- // 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.
+ numberOfGlyphAdvance = primaryNumberOfCharacters - numberOfGlyphAdvance;
+ }
- // TODO: check for more than one line!
- characterIndex = isRightToLeftParagraph ? line.characterRun.characterIndex : line.characterRun.characterIndex + line.characterRun.numberOfCharacters - 1u;
- characterIndex = mLogicalModel->GetLogicalCharacterIndex( characterIndex );
+ glyphAdvance = static_cast<float>( numberOfGlyphAdvance ) * glyphMetrics.advance / static_cast<float>( primaryNumberOfCharacters );
+ }
- const GlyphIndex glyphIndex = *( mVisualModel->mCharactersToGlyph.Begin() + characterIndex );
- const Length numberOfGlyphs = *( mVisualModel->mGlyphsPerCharacter.Begin() + characterIndex );
+ // Get the glyph position and x bearing.
+ const Vector2& primaryPosition = *( glyphPositionsBuffer + primaryGlyphIndex );
- const Vector2& position = *( mVisualModel->mGlyphPositions.Begin() + glyphIndex );
+ // Set the primary cursor's height.
+ cursorInfo.primaryCursorHeight = cursorInfo.isSecondaryCursor ? 0.5f * glyphMetrics.fontHeight : glyphMetrics.fontHeight;
- // Get the metrics for the group of glyphs.
- GlyphMetrics glyphMetrics;
- GetGlyphsMetrics( glyphIndex,
- numberOfGlyphs,
- glyphMetrics,
- mVisualModel,
- mFontClient );
+ // Set the primary cursor's position.
+ cursorInfo.primaryPosition.x = -glyphMetrics.xBearing + primaryPosition.x + glyphAdvance;
+ cursorInfo.primaryPosition.y = line.ascender - glyphMetrics.ascender;
- cursorInfo.primaryPosition.x = -glyphMetrics.xBearing + position.x + ( isRightToLeftParagraph ? 0.f : glyphMetrics.advance );
+ // Calculate the secondary cursor.
- cursorInfo.primaryPosition.y = line.ascender - glyphMetrics.ascender;
- }
- else
+ if( cursorInfo.isSecondaryCursor )
+ {
+ // Set the secondary cursor's height.
+ cursorInfo.secondaryCursorHeight = 0.5f * glyphMetrics.fontHeight;
+
+ CharacterIndex index = characterIndex;
+ if( !isLastPosition )
{
- if( !isCurrentRightToLeft )
- {
- cursorInfo.primaryPosition.x += glyphMetrics.advance;
- }
- else
- {
- cursorInfo.primaryPosition.x -= glyphMetrics.advance;
- }
+ index = ( isRightToLeftParagraph == isCurrentRightToLeft ) ? nextCharacterIndex : characterIndex;
}
- }
- // Set the alternative cursor position.
- if( cursorInfo.isSecondaryCursor )
- {
- // Convert the cursor position into the glyph position.
- const CharacterIndex previousCharacterIndex = ( ( isRightToLeftParagraph != isCurrentRightToLeft ) ? logical : previousLogical );
- const GlyphIndex previousGlyphIndex = *( mVisualModel->mCharactersToGlyph.Begin() + previousCharacterIndex );
- const Length numberOfGlyphs = *( mVisualModel->mGlyphsPerCharacter.Begin() + previousCharacterIndex );
+ const GlyphIndex secondaryGlyphIndex = *( charactersToGlyphBuffer + index );
+ const Length secondaryNumberOfGlyphs = *( glyphsPerCharacterBuffer + index );
- // Get the glyph position.
- const Vector2& previousPosition = *( mVisualModel->mGlyphPositions.Begin() + previousGlyphIndex );
+ const Vector2& secondaryPosition = *( glyphPositionsBuffer + secondaryGlyphIndex );
- // Get the metrics for the group of glyphs.
- GlyphMetrics glyphMetrics;
- GetGlyphsMetrics( previousGlyphIndex,
- numberOfGlyphs,
+ GetGlyphsMetrics( secondaryGlyphIndex,
+ secondaryNumberOfGlyphs,
glyphMetrics,
mVisualModel,
- mFontClient );
+ mMetrics );
- // Set the cursor position and height.
- cursorInfo.secondaryPosition.x = -glyphMetrics.xBearing + previousPosition.x + ( ( ( isLastPosition && !isCurrentRightToLeft ) ||
- ( !isLastPosition && isCurrentRightToLeft ) ) ? glyphMetrics.advance : 0.f );
+ // 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 );
+ }
- cursorInfo.secondaryCursorHeight = 0.5f * glyphMetrics.fontHeight;
+ if( LayoutEngine::MULTI_LINE_BOX == mLayoutEngine.GetLayout() )
+ {
+ // If the text is editable and multi-line, the cursor position after a white space shouldn't exceed the boundaries of the text control.
- cursorInfo.secondaryPosition.y = cursorInfo.lineHeight - cursorInfo.secondaryCursorHeight - line.descender - ( glyphMetrics.fontHeight - glyphMetrics.ascender );
+ // 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.
+
+ if( 0.f > cursorInfo.primaryPosition.x )
+ {
+ cursorInfo.primaryPosition.x = 0.f;
+ }
- // Update the primary cursor height as well.
- cursorInfo.primaryCursorHeight *= 0.5f;
+ const float edgeWidth = mVisualModel->mControlSize.width - static_cast<float>( mEventData->mDecorator->GetCursorWidth() );
+ if( cursorInfo.primaryPosition.x > edgeWidth )
+ {
+ cursorInfo.primaryPosition.x = edgeWidth;
+ }
}
}
CharacterIndex cursorIndex = mEventData->mPrimaryCursorPosition;
- const Script script = mLogicalModel->GetScript( index );
- const GlyphIndex* charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin();
- const Length* charactersPerGlyphBuffer = mVisualModel->mCharactersPerGlyph.Begin();
+ const GlyphIndex* const charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin();
+ const Length* const charactersPerGlyphBuffer = mVisualModel->mCharactersPerGlyph.Begin();
+
+ GlyphIndex glyphIndex = *( charactersToGlyphBuffer + index );
+ Length numberOfCharacters = *( charactersPerGlyphBuffer + glyphIndex );
- Length numberOfCharacters = 0u;
- if( TextAbstraction::LATIN == script )
+ if( numberOfCharacters > 1u )
{
- // Prevents to jump the whole Latin ligatures like fi, ff, ...
- numberOfCharacters = 1u;
+ const Script script = mLogicalModel->GetScript( index );
+ if( HasLigatureMustBreak( script ) )
+ {
+ // Prevents to jump the whole Latin ligatures like fi, ff, or Arabic ﻻ, ...
+ numberOfCharacters = 1u;
+ }
}
else
{
- GlyphIndex glyphIndex = *( charactersToGlyphBuffer + index );
- numberOfCharacters = *( charactersPerGlyphBuffer + glyphIndex );
-
while( 0u == numberOfCharacters )
{
- numberOfCharacters = *( charactersPerGlyphBuffer + glyphIndex );
++glyphIndex;
+ numberOfCharacters = *( charactersPerGlyphBuffer + glyphIndex );
}
}
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 * mControlSize.width );
- break;
- }
- case LayoutEngine::HORIZONTAL_ALIGN_END:
- {
- cursorPosition.x = 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 * ( mControlSize.height - lineHeight ) );
- break;
- }
- case LayoutEngine::VERTICAL_ALIGN_BOTTOM:
- {
- cursorPosition.y = 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.
+ const CharacterIndex startOfSelection = std::min( mEventData->mLeftSelectionPosition, mEventData->mRightSelectionPosition );
+ const CharacterIndex endOfSelection = std::max ( mEventData->mLeftSelectionPosition, mEventData->mRightSelectionPosition );
+ mEventData->mAllTextSelected = ( startOfSelection == 0 ) && ( endOfSelection == mLogicalModel->mText.Count() );
}
void Controller::Impl::ClampHorizontalScroll( const Vector2& actualSize )
{
// Clamp between -space & 0 (and the text alignment).
- if( actualSize.width > mControlSize.width )
+
+ if( actualSize.width > mVisualModel->mControlSize.width )
{
- const float space = ( actualSize.width - mControlSize.width ) + mAlignmentOffset.x;
+ 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;
void Controller::Impl::ClampVerticalScroll( const Vector2& actualSize )
{
// Clamp between -space & 0 (and the text alignment).
- if( actualSize.height > mControlSize.height )
+ if( actualSize.height > mVisualModel->mControlSize.height )
{
- const float space = ( actualSize.height - mControlSize.height ) + mAlignmentOffset.y;
+ 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;
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 > 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 = 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() );
- bool updateCursorPosition = true;
-
- const Vector2 offset = mEventData->mScrollPosition + mAlignmentOffset;
- const Vector2 cursorPosition = cursorInfo.primaryPosition + offset;
-
- if( updateCursorPosition )
- {
- // 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->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 );
- }
- }
+ ClampHorizontalScroll( mVisualModel->GetLayoutSize() );
}
void Controller::Impl::RequestRelayout()