// EXTERNAL INCLUDES
#include <dali/public-api/rendering/renderer.h>
#include <dali/integration-api/debug.h>
-#include <limits>
// INTERNAL INCLUDES
#include <dali-toolkit/devel-api/controls/control-depth-index-ranges.h>
#include <dali-toolkit/internal/text/text-control-interface.h>
#include <dali-toolkit/internal/text/text-controller-impl-event-handler.h>
#include <dali-toolkit/internal/text/text-run-container.h>
-#include <dali-toolkit/internal/text/text-editable-control-interface.h>
+#include <dali-toolkit/internal/text/text-selection-handle-controller.h>
using namespace Dali;
namespace
{
-/**
- * @brief Struct used to calculate the selection box.
- */
-struct SelectionBoxInfo
-{
- float lineOffset;
- float lineHeight;
- float minX;
- float maxX;
-};
-
#if defined(DEBUG_ENABLED)
Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS");
#endif
-const float MAX_FLOAT = std::numeric_limits<float>::max();
-const float MIN_FLOAT = std::numeric_limits<float>::min();
-const Dali::Toolkit::Text::CharacterDirection LTR = false; ///< Left To Right direction
-
#define MAKE_SHADER(A)#A
const char* VERTEX_SHADER_BACKGROUND = MAKE_SHADER(
{
}
-EventData::~EventData()
-{}
-
bool Controller::Impl::ProcessInputEvents()
{
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::ProcessInputEvents\n" );
- if( NULL == mEventData )
- {
- // Nothing to do if there is no text input.
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::ProcessInputEvents no event data\n" );
- return false;
- }
-
- if( mEventData->mDecorator )
- {
- for( std::vector<Event>::iterator iter = mEventData->mEventQueue.begin();
- iter != mEventData->mEventQueue.end();
- ++iter )
- {
- switch( iter->type )
- {
- case Event::CURSOR_KEY_EVENT:
- {
- OnCursorKeyEvent( *iter );
- break;
- }
- case Event::TAP_EVENT:
- {
- OnTapEvent( *iter );
- break;
- }
- case Event::LONG_PRESS_EVENT:
- {
- OnLongPressEvent( *iter );
- break;
- }
- case Event::PAN_EVENT:
- {
- OnPanEvent( *iter );
- break;
- }
- case Event::GRAB_HANDLE_EVENT:
- case Event::LEFT_SELECTION_HANDLE_EVENT:
- case Event::RIGHT_SELECTION_HANDLE_EVENT: // Fall through
- {
- OnHandleEvent( *iter );
- break;
- }
- case Event::SELECT:
- {
- OnSelectEvent( *iter );
- break;
- }
- case Event::SELECT_ALL:
- {
- OnSelectAllEvent();
- break;
- }
- case Event::SELECT_NONE:
- {
- OnSelectNoneEvent();
- break;
- }
- }
- }
- }
-
- if( mEventData->mUpdateCursorPosition ||
- mEventData->mUpdateHighlightBox )
- {
- NotifyInputMethodContext();
- }
-
- // The cursor must also be repositioned after inserts into the model
- if( mEventData->mUpdateCursorPosition )
- {
- // Updates the cursor position and scrolls the text to make it visible.
- CursorInfo cursorInfo;
- // Calculate the cursor position from the new cursor index.
- GetCursorPosition( mEventData->mPrimaryCursorPosition,
- cursorInfo );
-
- if( NULL != mEditableControlInterface )
- {
- mEditableControlInterface->CaretMoved( mEventData->mPrimaryCursorPosition );
- }
-
- if( mEventData->mUpdateCursorHookPosition )
- {
- // Update the cursor hook position. Used to move the cursor with the keys 'up' and 'down'.
- mEventData->mCursorHookPositionX = cursorInfo.primaryPosition.x;
- mEventData->mUpdateCursorHookPosition = false;
- }
-
- // Scroll first the text after delete ...
- if( mEventData->mScrollAfterDelete )
- {
- ScrollTextToMatchCursor( cursorInfo );
- }
-
- // ... then, text can be scrolled to make the cursor visible.
- if( mEventData->mScrollAfterUpdatePosition )
- {
- const Vector2 currentCursorPosition( cursorInfo.primaryPosition.x, cursorInfo.lineOffset );
- ScrollToMakePositionVisible( currentCursorPosition, cursorInfo.lineHeight );
- }
- mEventData->mScrollAfterUpdatePosition = false;
- mEventData->mScrollAfterDelete = false;
-
- UpdateCursorPosition( cursorInfo );
-
- mEventData->mDecoratorUpdated = true;
- mEventData->mUpdateCursorPosition = false;
- mEventData->mUpdateGrabHandlePosition = false;
- }
- else
- {
- CursorInfo leftHandleInfo;
- CursorInfo rightHandleInfo;
-
- if( mEventData->mUpdateHighlightBox )
- {
- GetCursorPosition( mEventData->mLeftSelectionPosition,
- leftHandleInfo );
-
- GetCursorPosition( mEventData->mRightSelectionPosition,
- rightHandleInfo );
-
- if( mEventData->mScrollAfterUpdatePosition && ( mEventData->mIsLeftHandleSelected ? mEventData->mUpdateLeftSelectionPosition : mEventData->mUpdateRightSelectionPosition ) )
- {
- if( mEventData->mIsLeftHandleSelected && mEventData->mIsRightHandleSelected )
- {
- CursorInfo& infoLeft = leftHandleInfo;
-
- const Vector2 currentCursorPositionLeft( infoLeft.primaryPosition.x, infoLeft.lineOffset );
- ScrollToMakePositionVisible( currentCursorPositionLeft, infoLeft.lineHeight );
-
- CursorInfo& infoRight = rightHandleInfo;
-
- const Vector2 currentCursorPositionRight( infoRight.primaryPosition.x, infoRight.lineOffset );
- ScrollToMakePositionVisible( currentCursorPositionRight, infoRight.lineHeight );
- }
- else
- {
- CursorInfo& info = mEventData->mIsLeftHandleSelected ? leftHandleInfo : rightHandleInfo;
-
- const Vector2 currentCursorPosition( info.primaryPosition.x, info.lineOffset );
- ScrollToMakePositionVisible( currentCursorPosition, info.lineHeight );
- }
- }
- }
-
- if( mEventData->mUpdateLeftSelectionPosition )
- {
- UpdateSelectionHandle( LEFT_SELECTION_HANDLE,
- leftHandleInfo );
-
- SetPopupButtons();
- mEventData->mDecoratorUpdated = true;
- mEventData->mUpdateLeftSelectionPosition = false;
- }
-
- if( mEventData->mUpdateRightSelectionPosition )
- {
- UpdateSelectionHandle( RIGHT_SELECTION_HANDLE,
- rightHandleInfo );
-
- SetPopupButtons();
- mEventData->mDecoratorUpdated = true;
- mEventData->mUpdateRightSelectionPosition = false;
- }
-
- if( mEventData->mUpdateHighlightBox )
- {
- RepositionSelectionHandles();
-
- mEventData->mUpdateLeftSelectionPosition = false;
- mEventData->mUpdateRightSelectionPosition = false;
- mEventData->mUpdateHighlightBox = false;
- mEventData->mIsLeftHandleSelected = false;
- mEventData->mIsRightHandleSelected = false;
- }
-
- mEventData->mScrollAfterUpdatePosition = false;
- }
-
- if( mEventData->mUpdateInputStyle )
- {
- // Keep a copy of the current input style.
- InputStyle currentInputStyle;
- currentInputStyle.Copy( mEventData->mInputStyle );
-
- // Set the default style first.
- RetrieveDefaultInputStyle( mEventData->mInputStyle );
-
- // Get the character index from the cursor index.
- const CharacterIndex styleIndex = ( mEventData->mPrimaryCursorPosition > 0u ) ? mEventData->mPrimaryCursorPosition - 1u : 0u;
-
- // Retrieve the style from the style runs stored in the logical model.
- mModel->mLogicalModel->RetrieveStyle( styleIndex, mEventData->mInputStyle );
-
- // Compare if the input style has changed.
- const bool hasInputStyleChanged = !currentInputStyle.Equal( mEventData->mInputStyle );
-
- if( hasInputStyleChanged )
- {
- const InputStyle::Mask styleChangedMask = currentInputStyle.GetInputStyleChangeMask( mEventData->mInputStyle );
- // Queue the input style changed signal.
- mEventData->mInputStyleChangedQueue.PushBack( styleChangedMask );
- }
-
- mEventData->mUpdateInputStyle = false;
- }
-
- mEventData->mEventQueue.clear();
-
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::ProcessInputEvents\n" );
-
- const bool decoratorUpdated = mEventData->mDecoratorUpdated;
- mEventData->mDecoratorUpdated = false;
-
- return decoratorUpdated;
+ return ControllerImplEventHandler::ProcessInputEvents(*this);
}
void Controller::Impl::NotifyInputMethodContext()
// Get the default font's description.
TextAbstraction::FontDescription defaultFontDescription;
- TextAbstraction::PointSize26Dot6 defaultPointSize = TextAbstraction::FontClient::DEFAULT_POINT_SIZE;
+ TextAbstraction::PointSize26Dot6 defaultPointSize = TextAbstraction::FontClient::DEFAULT_POINT_SIZE * mFontSizeScale;
if( IsShowingPlaceholderText() && mEventData && ( NULL != mEventData->mPlaceholderFont ) )
{
defaultFontDescription = mEventData->mPlaceholderFont->mFontDescription;
if( mEventData->mPlaceholderFont->sizeDefined )
{
- defaultPointSize = mEventData->mPlaceholderFont->mDefaultPointSize * 64u;
+ defaultPointSize = mEventData->mPlaceholderFont->mDefaultPointSize * mFontSizeScale * 64u;
}
}
else if( NULL != mFontDefaults )
}
else
{
- defaultPointSize = mFontDefaults->mDefaultPointSize * 64u;
+ defaultPointSize = mFontDefaults->mDefaultPointSize * mFontSizeScale * 64u;
}
}
if( NULL == mFontDefaults )
{
TextAbstraction::FontDescription fontDescription;
- defaultFontId = mFontClient.GetFontId( fontDescription );
+ defaultFontId = mFontClient.GetFontId( fontDescription, TextAbstraction::FontClient::DEFAULT_POINT_SIZE * mFontSizeScale );
}
else
{
- defaultFontId = mFontDefaults->GetFontId( mFontClient );
+ defaultFontId = mFontDefaults->GetFontId( mFontClient, mFontDefaults->mDefaultPointSize * mFontSizeScale );
}
Text::FontMetrics fontMetrics;
return( fontMetrics.ascender - fontMetrics.descender );
}
-void Controller::Impl::OnCursorKeyEvent( const Event& event )
-{
- ControllerImplEventHandler::OnCursorKeyEvent(*this, event);
-}
-
-void Controller::Impl::OnTapEvent( const Event& event )
-{
- ControllerImplEventHandler::OnTapEvent(*this, event);
-}
-
-void Controller::Impl::OnPanEvent( const Event& event )
-{
- ControllerImplEventHandler::OnPanEvent(*this, event);
-}
-
-void Controller::Impl::OnLongPressEvent( const Event& event )
-{
- ControllerImplEventHandler::OnLongPressEvent(*this, event);
-}
-
-void Controller::Impl::OnHandleEvent( const Event& event )
-{
- ControllerImplEventHandler::OnHandleEvent(*this, event);
-}
-
-void Controller::Impl::OnSelectEvent( const Event& event )
-{
- ControllerImplEventHandler::OnSelectEvent(*this, event);
-}
-
-void Controller::Impl::OnSelectAllEvent()
-{
- ControllerImplEventHandler::OnSelectAllEvent(*this);
-}
-
-void Controller::Impl::OnSelectNoneEvent()
-{
- ControllerImplEventHandler::OnSelectNoneEvent(*this);
-}
-
void Controller::Impl::SetTextSelectionRange(const uint32_t *pStart, const uint32_t *pEnd)
{
if( nullptr == mEventData )
}
}
+CharacterIndex Controller::Impl::GetPrimaryCursorPosition() const
+{
+ if( nullptr == mEventData )
+ {
+ return 0;
+ }
+ return mEventData->mPrimaryCursorPosition;
+}
+
+bool Controller::Impl::SetPrimaryCursorPosition( CharacterIndex index )
+{
+ if( nullptr == mEventData )
+ {
+ // Nothing to do if there is no text.
+ return false;
+ }
+
+ if( mEventData->mPrimaryCursorPosition == index )
+ {
+ // Nothing for same cursor position.
+ return false;
+ }
+
+ uint32_t length = static_cast<uint32_t>(mModel->mLogicalModel->mText.Count());
+ mEventData->mPrimaryCursorPosition = std::min(index, length);
+ ChangeState( EventData::EDITING );
+ mEventData->mLeftSelectionPosition = mEventData->mRightSelectionPosition = mEventData->mPrimaryCursorPosition;
+ mEventData->mUpdateCursorPosition = true;
+ ScrollTextToMatchCursor();
+ return true;
+}
+
Uint32Pair Controller::Impl::GetTextSelectionRange() const
{
Uint32Pair range;
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.
- // So, deactive Highlight box.
- mEventData->mDecorator->SetHighlightActive( false );
- return;
- }
-
- mEventData->mDecorator->ClearHighlights();
-
- const GlyphIndex* const charactersToGlyphBuffer = mModel->mVisualModel->mCharactersToGlyph.Begin();
- const Length* const glyphsPerCharacterBuffer = mModel->mVisualModel->mGlyphsPerCharacter.Begin();
- const GlyphInfo* const glyphsBuffer = mModel->mVisualModel->mGlyphs.Begin();
- const Vector2* const positionsBuffer = mModel->mVisualModel->mGlyphPositions.Begin();
- const Length* const charactersPerGlyphBuffer = mModel->mVisualModel->mCharactersPerGlyph.Begin();
- const CharacterIndex* const glyphToCharacterBuffer = mModel->mVisualModel->mGlyphsToCharacters.Begin();
- const CharacterDirection* const modelCharacterDirectionsBuffer = ( 0u != mModel->mLogicalModel->mCharacterDirections.Count() ) ? mModel->mLogicalModel->mCharacterDirections.Begin() : NULL;
-
- const bool isLastCharacter = selectionEnd >= mModel->mLogicalModel->mText.Count();
- const CharacterDirection startDirection = ( ( NULL == modelCharacterDirectionsBuffer ) ? false : *( modelCharacterDirectionsBuffer + selectionStart ) );
- const CharacterDirection endDirection = ( ( NULL == modelCharacterDirectionsBuffer ) ? false : *( modelCharacterDirectionsBuffer + ( selectionEnd - ( isLastCharacter ? 1u : 0u ) ) ) );
-
- // Swap the indices if the start is greater than the end.
- const bool indicesSwapped = selectionStart > selectionEnd;
-
- // Tell the decorator to flip the selection handles if needed.
- mEventData->mDecorator->SetSelectionHandleFlipState( indicesSwapped, startDirection, endDirection );
-
- if( indicesSwapped )
- {
- std::swap( selectionStart, selectionEnd );
- }
-
- // 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 );
-
- // Get the lines where the glyphs are laid-out.
- const LineRun* lineRun = mModel->mVisualModel->mLines.Begin();
-
- LineIndex lineIndex = 0u;
- Length numberOfLines = 0u;
- mModel->mVisualModel->GetNumberOfLines( glyphStart,
- 1u + glyphEnd - glyphStart,
- lineIndex,
- numberOfLines );
- const LineIndex firstLineIndex = lineIndex;
-
- // Create the structure to store some selection box info.
- Vector<SelectionBoxInfo> selectionBoxLinesInfo;
- selectionBoxLinesInfo.Resize( numberOfLines );
-
- SelectionBoxInfo* selectionBoxInfo = selectionBoxLinesInfo.Begin();
- selectionBoxInfo->minX = MAX_FLOAT;
- selectionBoxInfo->maxX = MIN_FLOAT;
-
- // Keep the min and max 'x' position to calculate the size and position of the highlighed text.
- float minHighlightX = std::numeric_limits<float>::max();
- float maxHighlightX = std::numeric_limits<float>::min();
- Size highLightSize;
- Vector2 highLightPosition; // The highlight position in decorator's coords.
-
- // Retrieve the first line and get the line's vertical offset, the line's height and the index to the last glyph.
-
- // The line's vertical offset of all the lines before the line where the first glyph is laid-out.
- selectionBoxInfo->lineOffset = CalculateLineOffset( mModel->mVisualModel->mLines,
- firstLineIndex );
-
- // Transform to decorator's (control) coords.
- selectionBoxInfo->lineOffset += mModel->mScrollPosition.y;
-
- lineRun += firstLineIndex;
-
- // The line height is the addition of the line ascender and the line descender.
- // However, the line descender has a negative value, hence the subtraction.
- selectionBoxInfo->lineHeight = lineRun->ascender - lineRun->descender;
-
- GlyphIndex lastGlyphOfLine = lineRun->glyphRun.glyphIndex + lineRun->glyphRun.numberOfGlyphs - 1u;
-
- // Check if the first glyph is a ligature that must be broken like Latin ff, fi, or Arabic ﻻ, etc which needs special code.
- const Length numberOfCharactersStart = *( charactersPerGlyphBuffer + glyphStart );
- bool splitStartGlyph = ( numberOfCharactersStart > 1u ) && HasLigatureMustBreak( mModel->mLogicalModel->GetScript( selectionStart ) );
-
- // 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( mModel->mLogicalModel->GetScript( selectionEndMinusOne ) );
-
- // The number of quads of the selection box.
- const unsigned int numberOfQuads = 1u + ( glyphEnd - glyphStart ) + ( ( numberOfLines > 1u ) ? 2u * numberOfLines : 0u );
- mEventData->mDecorator->ResizeHighlightQuads( numberOfQuads );
-
- // Count the actual number of quads.
- unsigned int actualNumberOfQuads = 0u;
- Vector4 quad;
-
- // Traverse the glyphs.
- for( GlyphIndex index = glyphStart; index <= glyphEnd; ++index )
- {
- 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 );
-
- quad.x = lineRun->alignmentOffset + position.x - glyph.xBearing + mModel->mScrollPosition.x + glyphAdvance * static_cast<float>( isCurrentRightToLeft ? ( numberOfCharactersStart - interGlyphIndex - numberOfCharacters ) : interGlyphIndex );
- quad.y = selectionBoxInfo->lineOffset;
- quad.z = quad.x + static_cast<float>( numberOfCharacters ) * glyphAdvance;
- quad.w = selectionBoxInfo->lineOffset + selectionBoxInfo->lineHeight;
-
- // Store the min and max 'x' for each line.
- selectionBoxInfo->minX = std::min( selectionBoxInfo->minX, quad.x );
- selectionBoxInfo->maxX = std::max( selectionBoxInfo->maxX, quad.z );
-
- mEventData->mDecorator->AddHighlight( actualNumberOfQuads, quad );
- ++actualNumberOfQuads;
-
- 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;
-
- quad.x = lineRun->alignmentOffset + position.x - glyph.xBearing + mModel->mScrollPosition.x + ( isCurrentRightToLeft ? ( glyphAdvance * static_cast<float>( numberOfCharacters ) ) : 0.f );
- quad.y = selectionBoxInfo->lineOffset;
- quad.z = quad.x + static_cast<float>( interGlyphIndex ) * glyphAdvance;
- quad.w = quad.y + selectionBoxInfo->lineHeight;
-
- // Store the min and max 'x' for each line.
- selectionBoxInfo->minX = std::min( selectionBoxInfo->minX, quad.x );
- selectionBoxInfo->maxX = std::max( selectionBoxInfo->maxX, quad.z );
-
- mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
- quad );
- ++actualNumberOfQuads;
-
- splitEndGlyph = false;
- continue;
- }
-
- quad.x = lineRun->alignmentOffset + position.x - glyph.xBearing + mModel->mScrollPosition.x;
- quad.y = selectionBoxInfo->lineOffset;
- quad.z = quad.x + glyph.advance;
- quad.w = quad.y + selectionBoxInfo->lineHeight;
-
- // Store the min and max 'x' for each line.
- selectionBoxInfo->minX = std::min( selectionBoxInfo->minX, quad.x );
- selectionBoxInfo->maxX = std::max( selectionBoxInfo->maxX, quad.z );
-
- mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
- quad );
- ++actualNumberOfQuads;
-
- // Whether to retrieve the next line.
- if( index == lastGlyphOfLine )
- {
- ++lineIndex;
- if( lineIndex < firstLineIndex + numberOfLines )
- {
- // Retrieve the next line.
- ++lineRun;
-
- // Get the last glyph of the new line.
- lastGlyphOfLine = lineRun->glyphRun.glyphIndex + lineRun->glyphRun.numberOfGlyphs - 1u;
-
- // Keep the offset and height of the current selection box.
- const float currentLineOffset = selectionBoxInfo->lineOffset;
- const float currentLineHeight = selectionBoxInfo->lineHeight;
-
- // Get the selection box info for the next line.
- ++selectionBoxInfo;
-
- selectionBoxInfo->minX = MAX_FLOAT;
- selectionBoxInfo->maxX = MIN_FLOAT;
-
- // Update the line's vertical offset.
- selectionBoxInfo->lineOffset = currentLineOffset + currentLineHeight;
-
- // The line height is the addition of the line ascender and the line descender.
- // However, the line descender has a negative value, hence the subtraction.
- selectionBoxInfo->lineHeight = lineRun->ascender - lineRun->descender;
- }
- }
- }
-
- // Traverses all the lines and updates the min and max 'x' positions and the total height.
- // The final width is calculated after 'boxifying' the selection.
- for( Vector<SelectionBoxInfo>::ConstIterator it = selectionBoxLinesInfo.Begin(),
- endIt = selectionBoxLinesInfo.End();
- it != endIt;
- ++it )
- {
- const SelectionBoxInfo& info = *it;
-
- // Update the size of the highlighted text.
- highLightSize.height += info.lineHeight;
- minHighlightX = std::min( minHighlightX, info.minX );
- maxHighlightX = std::max( maxHighlightX, info.maxX );
- }
-
- // Add extra geometry to 'boxify' the selection.
-
- if( 1u < numberOfLines )
- {
- // Boxify the first line.
- lineRun = mModel->mVisualModel->mLines.Begin() + firstLineIndex;
- const SelectionBoxInfo& firstSelectionBoxLineInfo = *( selectionBoxLinesInfo.Begin() );
-
- bool boxifyBegin = ( LTR != lineRun->direction ) && ( LTR != startDirection );
- bool boxifyEnd = ( LTR == lineRun->direction ) && ( LTR == startDirection );
-
- if( boxifyBegin )
- {
- quad.x = 0.f;
- quad.y = firstSelectionBoxLineInfo.lineOffset;
- quad.z = firstSelectionBoxLineInfo.minX;
- quad.w = firstSelectionBoxLineInfo.lineOffset + firstSelectionBoxLineInfo.lineHeight;
-
- // Boxify at the beginning of the line.
- mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
- quad );
- ++actualNumberOfQuads;
-
- // Update the size of the highlighted text.
- minHighlightX = 0.f;
- }
-
- if( boxifyEnd )
- {
- quad.x = firstSelectionBoxLineInfo.maxX;
- quad.y = firstSelectionBoxLineInfo.lineOffset;
- quad.z = mModel->mVisualModel->mControlSize.width;
- quad.w = firstSelectionBoxLineInfo.lineOffset + firstSelectionBoxLineInfo.lineHeight;
-
- // Boxify at the end of the line.
- mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
- quad );
- ++actualNumberOfQuads;
-
- // Update the size of the highlighted text.
- maxHighlightX = mModel->mVisualModel->mControlSize.width;
- }
-
- // Boxify the central lines.
- if( 2u < numberOfLines )
- {
- for( Vector<SelectionBoxInfo>::ConstIterator it = selectionBoxLinesInfo.Begin() + 1u,
- endIt = selectionBoxLinesInfo.End() - 1u;
- it != endIt;
- ++it )
- {
- const SelectionBoxInfo& info = *it;
-
- quad.x = 0.f;
- quad.y = info.lineOffset;
- quad.z = info.minX;
- quad.w = info.lineOffset + info.lineHeight;
-
- mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
- quad );
- ++actualNumberOfQuads;
-
- quad.x = info.maxX;
- quad.y = info.lineOffset;
- quad.z = mModel->mVisualModel->mControlSize.width;
- quad.w = info.lineOffset + info.lineHeight;
-
- mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
- quad );
- ++actualNumberOfQuads;
- }
-
- // Update the size of the highlighted text.
- minHighlightX = 0.f;
- maxHighlightX = mModel->mVisualModel->mControlSize.width;
- }
-
- // Boxify the last line.
- lineRun = mModel->mVisualModel->mLines.Begin() + firstLineIndex + numberOfLines - 1u;
- const SelectionBoxInfo& lastSelectionBoxLineInfo = *( selectionBoxLinesInfo.End() - 1u );
-
- boxifyBegin = ( LTR == lineRun->direction ) && ( LTR == endDirection );
- boxifyEnd = ( LTR != lineRun->direction ) && ( LTR != endDirection );
-
- if( boxifyBegin )
- {
- quad.x = 0.f;
- quad.y = lastSelectionBoxLineInfo.lineOffset;
- quad.z = lastSelectionBoxLineInfo.minX;
- quad.w = lastSelectionBoxLineInfo.lineOffset + lastSelectionBoxLineInfo.lineHeight;
-
- // Boxify at the beginning of the line.
- mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
- quad );
- ++actualNumberOfQuads;
-
- // Update the size of the highlighted text.
- minHighlightX = 0.f;
- }
-
- if( boxifyEnd )
- {
- quad.x = lastSelectionBoxLineInfo.maxX;
- quad.y = lastSelectionBoxLineInfo.lineOffset;
- quad.z = mModel->mVisualModel->mControlSize.width;
- quad.w = lastSelectionBoxLineInfo.lineOffset + lastSelectionBoxLineInfo.lineHeight;
-
- // Boxify at the end of the line.
- mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
- quad );
- ++actualNumberOfQuads;
-
- // Update the size of the highlighted text.
- maxHighlightX = mModel->mVisualModel->mControlSize.width;
- }
- }
-
- // Set the actual number of quads.
- mEventData->mDecorator->ResizeHighlightQuads( actualNumberOfQuads );
-
- // Sets the highlight's size and position. In decorator's coords.
- // The highlight's height has been calculated above (before 'boxifying' the highlight).
- highLightSize.width = maxHighlightX - minHighlightX;
-
- highLightPosition.x = minHighlightX;
- const SelectionBoxInfo& firstSelectionBoxLineInfo = *( selectionBoxLinesInfo.Begin() );
- highLightPosition.y = firstSelectionBoxLineInfo.lineOffset;
-
- mEventData->mDecorator->SetHighLightBox( highLightPosition, highLightSize, static_cast<float>( mModel->GetOutlineWidth() ) );
-
- if( !mEventData->mDecorator->IsSmoothHandlePanEnabled() )
- {
- CursorInfo primaryCursorInfo;
- GetCursorPosition( mEventData->mLeftSelectionPosition,
- primaryCursorInfo );
-
- const Vector2 primaryPosition = primaryCursorInfo.primaryPosition + mModel->mScrollPosition;
-
- mEventData->mDecorator->SetPosition( LEFT_SELECTION_HANDLE,
- primaryPosition.x,
- primaryCursorInfo.lineOffset + mModel->mScrollPosition.y,
- primaryCursorInfo.lineHeight );
-
- CursorInfo secondaryCursorInfo;
- GetCursorPosition( mEventData->mRightSelectionPosition,
- secondaryCursorInfo );
-
- const Vector2 secondaryPosition = secondaryCursorInfo.primaryPosition + mModel->mScrollPosition;
-
- mEventData->mDecorator->SetPosition( RIGHT_SELECTION_HANDLE,
- secondaryPosition.x,
- secondaryCursorInfo.lineOffset + mModel->mScrollPosition.y,
- secondaryCursorInfo.lineHeight );
- }
-
- // Set the flag to update the decorator.
- mEventData->mDecoratorUpdated = true;
+ SelectionHandleController::Reposition(*this);
}
-
void Controller::Impl::RepositionSelectionHandles( float visualX, float visualY, Controller::NoTextTap::Action action )
{
- if( NULL == mEventData )
- {
- // Nothing to do if there is no text input.
- return;
- }
-
- if( IsShowingPlaceholderText() )
- {
- // Nothing to do if there is the place-holder text.
- return;
- }
-
- const Length numberOfGlyphs = mModel->mVisualModel->mGlyphs.Count();
- const Length numberOfLines = mModel->mVisualModel->mLines.Count();
- 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 );
- CharacterIndex noTextHitIndex( 0 );
- const bool characterHit = FindSelectionIndices( mModel->mVisualModel,
- mModel->mLogicalModel,
- mMetrics,
- visualX,
- visualY,
- selectionStart,
- selectionEnd,
- noTextHitIndex );
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "%p selectionStart %d selectionEnd %d\n", this, selectionStart, selectionEnd );
-
- if( characterHit || ( Controller::NoTextTap::HIGHLIGHT == action ) )
- {
- ChangeState( EventData::SELECTING );
-
- mEventData->mLeftSelectionPosition = selectionStart;
- mEventData->mRightSelectionPosition = selectionEnd;
-
- mEventData->mUpdateLeftSelectionPosition = true;
- mEventData->mUpdateRightSelectionPosition = true;
- mEventData->mUpdateHighlightBox = true;
-
- // It may happen an InputMethodContext commit event arrives before the selection event
- // if the InputMethodContext is in pre-edit state. The commit event will set the
- // mEventData->mUpdateCursorPosition flag to true. If it's not set back
- // to false, the highlight box won't be updated.
- mEventData->mUpdateCursorPosition = false;
-
- mEventData->mScrollAfterUpdatePosition = ( mEventData->mLeftSelectionPosition != mEventData->mRightSelectionPosition );
-
- // 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 = std::max( mEventData->mLeftSelectionPosition, mEventData->mRightSelectionPosition );
- }
- else if( Controller::NoTextTap::SHOW_SELECTION_POPUP == action )
- {
- // Nothing to select. i.e. a white space, out of bounds
- ChangeState( EventData::EDITING_WITH_POPUP );
-
- mEventData->mPrimaryCursorPosition = noTextHitIndex;
-
- mEventData->mUpdateCursorPosition = true;
- mEventData->mUpdateGrabHandlePosition = true;
- mEventData->mScrollAfterUpdatePosition = true;
- mEventData->mUpdateInputStyle = true;
- }
- else if( Controller::NoTextTap::NO_ACTION == action )
- {
- // Nothing to select. i.e. a white space, out of bounds
- mEventData->mPrimaryCursorPosition = noTextHitIndex;
-
- mEventData->mUpdateCursorPosition = true;
- mEventData->mUpdateGrabHandlePosition = true;
- mEventData->mScrollAfterUpdatePosition = true;
- mEventData->mUpdateInputStyle = true;
- }
+ SelectionHandleController::Reposition(*this, visualX, visualY, action);
}
void Controller::Impl::SetPopupButtons()
void Controller::Impl::UpdateSelectionHandle( HandleType handleType,
const CursorInfo& cursorInfo )
{
- if( ( LEFT_SELECTION_HANDLE != handleType ) &&
- ( RIGHT_SELECTION_HANDLE != handleType ) )
- {
- return;
- }
-
- const Vector2 cursorPosition = cursorInfo.primaryPosition + mModel->mScrollPosition;
-
- // Sets the handle's position.
- mEventData->mDecorator->SetPosition( handleType,
- cursorPosition.x,
- cursorInfo.lineOffset + mModel->mScrollPosition.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 == mModel->mLogicalModel->mText.Count() );
+ SelectionHandleController::Update(*this, handleType, cursorInfo);
}
void Controller::Impl::ClampHorizontalScroll( const Vector2& layoutSize )
ScrollToMakePositionVisible( cursorInfo.primaryPosition, cursorInfo.lineHeight );
}
+void Controller::Impl::ScrollTextToMatchCursor()
+{
+ CursorInfo cursorInfo;
+ GetCursorPosition( mEventData->mPrimaryCursorPosition, cursorInfo );
+ ScrollTextToMatchCursor(cursorInfo);
+}
+
void Controller::Impl::RequestRelayout()
{
if( NULL != mControlInterface )
projects / platform / core / uifw / dali-toolkit.git / blobdiff