{
#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] numberOfGlyphs The number of glyphs.
* @param[out] glyphMetrics Some glyph metrics (font height, advance, ascender and x bearing).
* @param[in] visualModel The visual model.
- * @param[in] fontClient The font client.
+ * @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;
if( mEventData->mUpdateCursorPosition )
{
// Updates the cursor position and scrolls the text to make it visible.
-
- UpdateCursorPosition();
+ CursorInfo cursorInfo;
+ GetCursorPosition( mEventData->mPrimaryCursorPosition,
+ cursorInfo );
if( mEventData->mScrollAfterUpdatePosition )
{
- const Vector2& primaryCursorPosition = mEventData->mDecorator->GetPosition( PRIMARY_CURSOR );
-
- ScrollToMakePositionVisible( primaryCursorPosition );
+ ScrollToMakePositionVisible( cursorInfo.primaryPosition );
mEventData->mScrollAfterUpdatePosition = false;
}
+ else if( mEventData->mScrollAfterDelete )
+ {
+ ScrollTextToMatchCursor( cursorInfo );
+ mEventData->mScrollAfterDelete = false;
+ }
+
+ UpdateCursorPosition( cursorInfo );
mEventData->mDecoratorUpdated = true;
mEventData->mUpdateCursorPosition = false;
}
- else if( mEventData->mScrollAfterDelete )
- {
- ScrollTextToMatchCursor();
- mEventData->mDecoratorUpdated = true;
- mEventData->mScrollAfterDelete = false;
- }
else
{
bool leftScroll = false;
bool rightScroll = false;
+ CursorInfo leftHandleInfo;
+ CursorInfo rightHandleInfo;
+
if( mEventData->mUpdateLeftSelectionPosition )
{
- UpdateSelectionHandle( LEFT_SELECTION_HANDLE );
+ GetCursorPosition( mEventData->mLeftSelectionPosition,
+ leftHandleInfo );
if( mEventData->mScrollAfterUpdatePosition )
{
- const Vector2& leftHandlePosition = mEventData->mDecorator->GetPosition( LEFT_SELECTION_HANDLE );
-
- ScrollToMakePositionVisible( leftHandlePosition );
+ ScrollToMakePositionVisible( leftHandleInfo.primaryPosition );
leftScroll = true;
}
-
- SetPopupButtons();
- mEventData->mDecoratorUpdated = true;
- mEventData->mUpdateLeftSelectionPosition = false;
}
if( mEventData->mUpdateRightSelectionPosition )
{
- UpdateSelectionHandle( RIGHT_SELECTION_HANDLE );
+ GetCursorPosition( mEventData->mRightSelectionPosition,
+ rightHandleInfo );
if( mEventData->mScrollAfterUpdatePosition )
{
- const Vector2& rightHandlePosition = mEventData->mDecorator->GetPosition( RIGHT_SELECTION_HANDLE );
-
- ScrollToMakePositionVisible( rightHandlePosition );
+ ScrollToMakePositionVisible( rightHandleInfo.primaryPosition );
rightScroll = true;
}
+ }
+
+ if( mEventData->mUpdateLeftSelectionPosition )
+ {
+ UpdateSelectionHandle( LEFT_SELECTION_HANDLE,
+ leftHandleInfo );
SetPopupButtons();
mEventData->mDecoratorUpdated = true;
+ }
+
+ if( mEventData->mUpdateRightSelectionPosition )
+ {
+ UpdateSelectionHandle( RIGHT_SELECTION_HANDLE,
+ rightHandleInfo );
+
+ SetPopupButtons();
+ mEventData->mDecoratorUpdated = true;
+ }
+
+ if( mEventData->mUpdateLeftSelectionPosition || mEventData->mUpdateRightSelectionPosition )
+ {
+ RepositionSelectionHandles();
+
+ mEventData->mUpdateLeftSelectionPosition = false;
mEventData->mUpdateRightSelectionPosition = false;
}
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 );
if( GET_GLYPH_METRICS & operations )
{
GlyphInfo* glyphsBuffer = glyphs.Begin();
- mFontClient.GetGlyphMetrics( glyphsBuffer, numberOfGlyphs );
+ 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 )
glyph.advance = 0.f;
}
}
+
+ if( 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 );
+ }
}
void Controller::Impl::GetDefaultFonts( Vector<FontRun>& fonts, Length numberOfCharacters )
{
if( mFontDefaults )
{
+ DALI_LOG_INFO( gLogFilter, Debug::Concise, "Controller::GetDefaultFonts font family(%s)\n", mFontDefaults->mFontDescription.family.c_str() );
FontRun fontRun;
fontRun.characterRun.characterIndex = 0;
fontRun.characterRun.numberOfCharacters = numberOfCharacters;
FontId defaultFontId = 0u;
if( NULL == mFontDefaults )
{
- defaultFontId = mFontClient.GetFontId( EMPTY_STRING,
- EMPTY_STRING );
+ TextAbstraction::FontDescription fontDescription;
+ defaultFontId = mFontClient.GetFontId( fontDescription );
}
else
{
}
Text::FontMetrics fontMetrics;
- mFontClient.GetFontMetrics( defaultFontId, fontMetrics );
+ mMetrics->GetFontMetrics( defaultFontId, fontMetrics );
return( fontMetrics.ascender - fontMetrics.descender );
}
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->mLeftSelectionPosition = handleNewPosition;
- RepositionSelectionHandles( mEventData->mLeftSelectionPosition,
- mEventData->mRightSelectionPosition );
-
mEventData->mUpdateLeftSelectionPosition = true;
}
}
{
mEventData->mRightSelectionPosition = handleNewPosition;
- RepositionSelectionHandles( mEventData->mLeftSelectionPosition,
- mEventData->mRightSelectionPosition );
-
mEventData->mUpdateRightSelectionPosition = true;
}
}
if( mEventData->mUpdateLeftSelectionPosition )
{
mEventData->mLeftSelectionPosition = handlePosition;
-
- RepositionSelectionHandles( mEventData->mLeftSelectionPosition,
- mEventData->mRightSelectionPosition );
}
}
}
if( mEventData->mUpdateRightSelectionPosition )
{
mEventData->mRightSelectionPosition = handlePosition;
- RepositionSelectionHandles( mEventData->mLeftSelectionPosition,
- mEventData->mRightSelectionPosition );
}
}
}
if( mEventData->mUpdateLeftSelectionPosition || mEventData->mUpdateRightSelectionPosition )
{
- RepositionSelectionHandles( mEventData->mLeftSelectionPosition,
- mEventData->mRightSelectionPosition );
+ RepositionSelectionHandles();
mEventData->mScrollAfterUpdatePosition = true;
}
const float xPosition = event.p2.mFloat - mEventData->mScrollPosition.x - mAlignmentOffset.x;
const float yPosition = event.p3.mFloat - mEventData->mScrollPosition.y - mAlignmentOffset.y;
- const CharacterIndex leftPosition = mEventData->mLeftSelectionPosition;
- const CharacterIndex rightPosition = mEventData->mRightSelectionPosition;
-
+ // Calculates the logical position from the x,y coords.
RepositionSelectionHandles( xPosition,
yPosition );
- mEventData->mUpdateLeftSelectionPosition = leftPosition != mEventData->mLeftSelectionPosition;
- mEventData->mUpdateRightSelectionPosition = rightPosition != mEventData->mRightSelectionPosition;
+ mEventData->mUpdateLeftSelectionPosition = true;
+ mEventData->mUpdateRightSelectionPosition = true;
- mEventData->mScrollAfterUpdatePosition = ( ( mEventData->mUpdateLeftSelectionPosition || mEventData->mUpdateRightSelectionPosition ) &&
- ( mEventData->mLeftSelectionPosition != mEventData->mRightSelectionPosition ) );
+ mEventData->mScrollAfterUpdatePosition = ( mEventData->mLeftSelectionPosition != mEventData->mRightSelectionPosition );
}
}
if( mEventData->mSelectionEnabled )
{
- RepositionSelectionHandles( 0u,
- mLogicalModel->mText.Count() );
+ mEventData->mLeftSelectionPosition = 0u;
+ mEventData->mRightSelectionPosition = mLogicalModel->mText.Count();
mEventData->mScrollAfterUpdatePosition = true;
mEventData->mUpdateLeftSelectionPosition = true;
return;
}
+ const bool handlesCrossed = mEventData->mLeftSelectionPosition > mEventData->mRightSelectionPosition;
+
//Get start and end position of selection
- uint32_t startOfSelectedText = mEventData->mLeftSelectionPosition;
- uint32_t lengthOfSelectedText = mEventData->mRightSelectionPosition - startOfSelectedText;
+ uint32_t startOfSelectedText = handlesCrossed ? mEventData->mRightSelectionPosition : mEventData->mLeftSelectionPosition;
+ uint32_t lengthOfSelectedText = ( handlesCrossed ? mEventData->mLeftSelectionPosition : mEventData->mRightSelectionPosition ) - startOfSelectedText;
// Validate the start and end selection points
- if( ( startOfSelectedText >= 0 ) && ( ( startOfSelectedText + lengthOfSelectedText ) <= mLogicalModel->mText.Count() ) )
+ if( ( startOfSelectedText + lengthOfSelectedText ) <= mLogicalModel->mText.Count() )
{
//Get text as a UTF8 string
Vector<Character>& utf32Characters = 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;
}
- mEventData->mPrimaryCursorPosition = mEventData->mLeftSelectionPosition;
- mEventData->mScrollAfterDelete = true;
+ // Udpade the cursor position and the decorator.
+ // Scroll after the position is updated if is not scrolling after delete.
+ mEventData->mUpdateCursorPosition = true;
+ mEventData->mScrollAfterUpdatePosition = !mEventData->mScrollAfterDelete;
mEventData->mDecoratorUpdated = true;
}
}
}
}
-void Controller::Impl::RepositionSelectionHandles( CharacterIndex selectionStart, CharacterIndex selectionEnd )
+void Controller::Impl::RepositionSelectionHandles()
{
+ CharacterIndex selectionStart = mEventData->mLeftSelectionPosition;
+ CharacterIndex selectionEnd = mEventData->mRightSelectionPosition;
+
if( selectionStart == selectionEnd )
{
// Nothing to select if handles are in the same place.
mEventData->mDecorator->ClearHighlights();
- mEventData->mLeftSelectionPosition = selectionStart;
- mEventData->mRightSelectionPosition = selectionEnd;
-
const GlyphIndex* const charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin();
const Length* const glyphsPerCharacterBuffer = mVisualModel->mGlyphsPerCharacter.Begin();
const GlyphInfo* const glyphsBuffer = mVisualModel->mGlyphs.Begin();
const LineRun& firstLine = *lines.Begin();
const float height = firstLine.ascender + -firstLine.descender;
+ const bool isLastCharacter = selectionEnd >= mLogicalModel->mText.Count();
+ const bool startDirection = ( ( NULL == modelCharacterDirectionsBuffer ) ? false : *( modelCharacterDirectionsBuffer + selectionStart ) );
+ const bool endDirection = ( ( NULL == modelCharacterDirectionsBuffer ) ? false : *( modelCharacterDirectionsBuffer + ( selectionEnd - ( isLastCharacter ? 1u : 0u ) ) ) );
+
// Swap the indices if the start is greater than the end.
- const bool indicesSwapped = ( selectionStart > selectionEnd );
+ const bool indicesSwapped = selectionStart > selectionEnd;
+
+ // Tell the decorator to flip the selection handles if needed.
+ mEventData->mDecorator->SetSelectionHandleFlipState( indicesSwapped, startDirection, endDirection );
+
if( indicesSwapped )
{
std::swap( selectionStart, selectionEnd );
const Length numberOfCharactersEnd = *( charactersPerGlyphBuffer + glyphEnd );
bool splitEndGlyph = ( glyphStart != glyphEnd ) && ( numberOfCharactersEnd > 1u ) && HasLigatureMustBreak( mLogicalModel->GetScript( selectionEndMinusOne ) );
- // Tell the decorator to swap the selection handles if needed.
- mEventData->mDecorator->SwapSelectionHandlesEnabled( firstLine.direction != indicesSwapped );
-
const Vector2 offset = mEventData->mScrollPosition + mAlignmentOffset;
// Traverse the glyphs.
mEventData->mDecorator->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;
}
return;
}
- RepositionSelectionHandles( selectionStart, selectionEnd );
+ mEventData->mLeftSelectionPosition = selectionStart;
+ mEventData->mRightSelectionPosition = selectionEnd;
}
void Controller::Impl::SetPopupButtons()
TextSelectionPopup::Buttons buttonsToShow = TextSelectionPopup::NONE;
- if ( ( EventData::SELECTING == mEventData->mState ) || ( EventData::SELECTION_CHANGED == mEventData->mState ) )
+ if( EventData::SELECTING == mEventData->mState )
{
buttonsToShow = TextSelectionPopup::Buttons( TextSelectionPopup::CUT | TextSelectionPopup::COPY );
}
mEventData->mDecoratorUpdated = true;
}
- else if ( EventData::SELECTION_CHANGED == mEventData->mState )
- {
- if( mEventData->mGrabHandlePopupEnabled )
- {
- SetPopupButtons();
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
- mEventData->mDecorator->SetPopupActive( true );
- }
- mEventData->mDecoratorUpdated = true;
- }
else if( EventData::EDITING == mEventData->mState )
{
mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
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;
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.
// Get the glyphs per character table.
const Length* const glyphsPerCharacterBuffer = mVisualModel->mGlyphsPerCharacter.Begin();
- const Length* const charactersPerGlyphBuffer = mVisualModel->mCharactersPerGlyph.Begin();
// If the vector is void, there is no right to left characters.
const bool hasRightToLeftCharacters = NULL != visualToLogicalBuffer;
// 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.
// Get the script of the character.
const Script script = mLogicalModel->GetScript( characterLogicalOrderIndex );
- // The first glyph for that character in logical order.
- const GlyphIndex glyphLogicalOrderIndex = *( charactersToGlyphBuffer + characterLogicalOrderIndex );
// The number of glyphs for that character
const Length numberOfGlyphs = *( glyphsPerCharacterBuffer + characterLogicalOrderIndex );
+ ++numberOfCharacters;
- // Get the metrics for the group of glyphs.
- GlyphMetrics glyphMetrics;
- GetGlyphsMetrics( glyphLogicalOrderIndex,
- numberOfGlyphs,
- glyphMetrics,
- mVisualModel,
- mFontClient );
- const Vector2& position = *( positionsBuffer + glyphLogicalOrderIndex );
-
- // Prevents to jump the whole Latin ligatures like fi, ff, or Arabic ﻻ...
- const Length numberOfCharactersInLigature = HasLigatureMustBreak( script ) ? *( charactersPerGlyphBuffer + glyphLogicalOrderIndex ) : 1u;
- const float glyphAdvance = glyphMetrics.advance / static_cast<float>( numberOfCharactersInLigature );
-
- for( GlyphIndex index = 0u; !matched && ( index < numberOfCharactersInLigature ); ++index )
+ if( 0u != numberOfGlyphs )
{
- // Find the mid-point of the area containing the glyph
- const float glyphCenter = -glyphMetrics.xBearing + position.x + ( static_cast<float>( index ) + 0.5f ) * glyphAdvance;
+ // Get the first character/glyph of the group of glyphs.
+ const CharacterIndex firstVisualCharacterIndex = 1u + visualIndex - numberOfCharacters;
+ const CharacterIndex firstLogicalCharacterIndex = hasRightToLeftCharacters ? *( visualToLogicalBuffer + firstVisualCharacterIndex ) : firstVisualCharacterIndex;
+ const GlyphIndex firstLogicalGlyphIndex = *( charactersToGlyphBuffer + firstLogicalCharacterIndex );
+
+ // Get the metrics for the group of glyphs.
+ GlyphMetrics glyphMetrics;
+ GetGlyphsMetrics( firstLogicalGlyphIndex,
+ numberOfGlyphs,
+ glyphMetrics,
+ mVisualModel,
+ mMetrics );
+
+ // Get the position of the first glyph.
+ const Vector2& position = *( positionsBuffer + firstLogicalGlyphIndex );
+
+ // Whether the glyph can be split, like Latin ligatures fi, ff or Arabic ﻻ.
+ const bool isInterglyphIndex = ( numberOfCharacters > numberOfGlyphs ) && HasLigatureMustBreak( script );
+ const Length numberOfBlocks = isInterglyphIndex ? numberOfCharacters : 1u;
+ const float glyphAdvance = glyphMetrics.advance / static_cast<float>( numberOfBlocks );
+
+ 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 )
+ if( visualX < glyphCenter )
+ {
+ matched = true;
+ break;
+ }
+ }
+
+ if( matched )
{
- visualIndex += index;
- matched = true;
+ visualIndex = firstVisualCharacterIndex + index;
break;
}
- }
- if( matched )
- {
- 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->mText.Count() == logical;
-
- if( isFirstPosition && isLastPosition )
+ const Length numberOfCharacters = mLogicalModel->mText.Count();
+ if( !IsShowingRealText() )
{
- // There is zero characters. Get the default font's line height.
+ // 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.
+
cursorInfo.lineHeight = GetDefaultFontLineHeight();
cursorInfo.primaryCursorHeight = cursorInfo.lineHeight;
- cursorInfo.primaryPosition.x = mEventData->mDecorator->GetCursorWidth();
- cursorInfo.primaryPosition.y = 0.f;
+ switch( mLayoutEngine.GetHorizontalAlignment() )
+ {
+ 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;
+ }
+ }
+
+ switch( mLayoutEngine.GetVerticalAlignment() )
+ {
+ case LayoutEngine::VERTICAL_ALIGN_TOP:
+ {
+ cursorInfo.primaryPosition.y = 0.f;
+ break;
+ }
+ case LayoutEngine::VERTICAL_ALIGN_CENTER:
+ {
+ cursorInfo.primaryPosition.y = floorf( 0.5f * ( mVisualModel->mControlSize.height - cursorInfo.lineHeight ) );
+ break;
+ }
+ case LayoutEngine::VERTICAL_ALIGN_BOTTOM:
+ {
+ cursorInfo.primaryPosition.y = mVisualModel->mControlSize.height - cursorInfo.lineHeight;
+ break;
+ }
+ }
// Nothing else to do.
return;
}
+ // Check if the logical position is the first or the last one of the text.
+ const bool isFirstPosition = 0u == logical;
+ const bool isLastPosition = numberOfCharacters == logical;
+
// 'logical' is the logical 'cursor' index.
// Get the next and current logical 'character' index.
const CharacterIndex nextCharacterIndex = logical;
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,
secondaryNumberOfGlyphs,
glyphMetrics,
mVisualModel,
- mFontClient );
+ mMetrics );
// Set the secondary cursor's position.
cursorInfo.secondaryPosition.x = -glyphMetrics.xBearing + secondaryPosition.x + ( isCurrentRightToLeft ? 0.f : glyphMetrics.advance );
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() || ( 0u == mLogicalModel->mText.Count() ) )
- {
- // 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 = mEventData->mDecorator->GetCursorWidth();
- break;
- }
- case LayoutEngine::HORIZONTAL_ALIGN_CENTER:
- {
- cursorPosition.x = floor( 0.5f * mVisualModel->mControlSize.width );
- break;
- }
- case LayoutEngine::HORIZONTAL_ALIGN_END:
- {
- cursorPosition.x = mVisualModel->mControlSize.width;
- break;
- }
- }
+ // Sets the cursor position.
+ mEventData->mDecorator->SetPosition( PRIMARY_CURSOR,
+ cursorPosition.x,
+ cursorPosition.y,
+ cursorInfo.primaryCursorHeight,
+ cursorInfo.lineHeight );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Primary cursor position: %f,%f\n", cursorPosition.x, cursorPosition.y );
- switch( mLayoutEngine.GetVerticalAlignment() )
- {
- case LayoutEngine::VERTICAL_ALIGN_TOP:
- {
- cursorPosition.y = 0.f;
- break;
- }
- case LayoutEngine::VERTICAL_ALIGN_CENTER:
- {
- cursorPosition.y = floorf( 0.5f * ( mVisualModel->mControlSize.height - lineHeight ) );
- break;
- }
- case LayoutEngine::VERTICAL_ALIGN_BOTTOM:
- {
- cursorPosition.y = mVisualModel->mControlSize.height - lineHeight;
- break;
- }
- }
+ // Sets the grab handle position.
+ mEventData->mDecorator->SetPosition( GRAB_HANDLE,
+ cursorPosition.x,
+ cursorPosition.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::EDITING == mEventData->mState ) ||
+ ( EventData::EDITING_WITH_POPUP == mEventData->mState ) ||
+ ( EventData::EDITING_WITH_GRAB_HANDLE == 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;
+ const Vector2 cursorPosition = cursorInfo.primaryPosition + mEventData->mScrollPosition + mAlignmentOffset;
// Sets the grab handle position.
mEventData->mDecorator->SetPosition( handleType,
void Controller::Impl::ClampHorizontalScroll( const Vector2& actualSize )
{
// Clamp between -space & 0 (and the text alignment).
+
if( actualSize.width > mVisualModel->mControlSize.width )
{
const float space = ( actualSize.width - mVisualModel->mControlSize.width ) + mAlignmentOffset.x;
void Controller::Impl::ScrollToMakePositionVisible( const Vector2& position )
{
- Vector2 offset;
- bool updateDecorator = false;
- if( position.x < 0.f )
+ // 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 offset = mEventData->mScrollPosition.x + mAlignmentOffset.x;
+ const float decoratorPositionBegin = position.x + offset;
+ const float decoratorPositionEnd = positionEnd + offset;
+
+ if( decoratorPositionBegin < 0.f )
{
- offset.x = -position.x;
- mEventData->mScrollPosition.x += offset.x;
- updateDecorator = true;
+ mEventData->mScrollPosition.x = -position.x - mAlignmentOffset.x;
}
- else if( position.x > mVisualModel->mControlSize.width )
+ else if( decoratorPositionEnd > mVisualModel->mControlSize.width )
{
- offset.x = mVisualModel->mControlSize.width - position.x;
- mEventData->mScrollPosition.x += offset.x;
- updateDecorator = true;
+ mEventData->mScrollPosition.x = mVisualModel->mControlSize.width - positionEnd - mAlignmentOffset.x;
}
-
- if( updateDecorator && mEventData->mDecorator )
- {
- mEventData->mDecorator->UpdatePositions( offset );
- }
-
- // TODO : calculate the vertical scroll.
}
-void Controller::Impl::ScrollTextToMatchCursor()
+void Controller::Impl::ScrollTextToMatchCursor( const CursorInfo& cursorInfo )
{
// Get the current cursor position in decorator coords.
const Vector2& currentCursorPosition = mEventData->mDecorator->GetPosition( PRIMARY_CURSOR );
- // Calculate the new cursor position.
- CursorInfo cursorInfo;
- GetCursorPosition( mEventData->mPrimaryCursorPosition,
- cursorInfo );
-
// Calculate the offset to match the cursor position before the character was deleted.
mEventData->mScrollPosition.x = currentCursorPosition.x - cursorInfo.primaryPosition.x - mAlignmentOffset.x;
ClampHorizontalScroll( mVisualModel->GetActualSize() );
-
- const Vector2 offset = mEventData->mScrollPosition + mAlignmentOffset;
- const Vector2 cursorPosition = cursorInfo.primaryPosition + offset;
-
- // Sets the cursor position.
- mEventData->mDecorator->SetPosition( PRIMARY_CURSOR,
- cursorPosition.x,
- cursorPosition.y,
- cursorInfo.primaryCursorHeight,
- cursorInfo.lineHeight );
-
- // Sets the grab handle position.
- mEventData->mDecorator->SetPosition( GRAB_HANDLE,
- cursorPosition.x,
- cursorPosition.y,
- cursorInfo.lineHeight );
-
- if( cursorInfo.isSecondaryCursor )
- {
- mEventData->mDecorator->SetPosition( SECONDARY_CURSOR,
- cursorInfo.secondaryPosition.x + offset.x,
- cursorInfo.secondaryPosition.y + offset.y,
- cursorInfo.secondaryCursorHeight,
- cursorInfo.lineHeight );
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Secondary cursor position: %f,%f\n", cursorInfo.secondaryPosition.x + offset.x, cursorInfo.secondaryPosition.y + offset.y );
- }
-
- // Set which cursors are active according the state.
- if( ( EventData::EDITING == mEventData->mState ) ||
- ( EventData::EDITING_WITH_POPUP == mEventData->mState ) ||
- ( EventData::GRAB_HANDLE_PANNING == mEventData->mState ) )
- {
- if( cursorInfo.isSecondaryCursor )
- {
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_BOTH );
- }
- else
- {
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
- }
- }
- else
- {
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
- }
}
void Controller::Impl::RequestRelayout()
projects / platform / core / uifw / dali-toolkit.git / blobdiff