/*
- * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2016 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
// EXTERNAL INCLUDES
#include <dali/public-api/adaptor-framework/key.h>
#include <dali/integration-api/debug.h>
+#include <limits>
// INTERNAL INCLUDES
#include <dali-toolkit/internal/text/bidirectional-support.h>
#include <dali-toolkit/internal/text/multi-language-support.h>
#include <dali-toolkit/internal/text/segmentation.h>
#include <dali-toolkit/internal/text/shaper.h>
+#include <dali-toolkit/internal/text/text-control-interface.h>
#include <dali-toolkit/internal/text/text-run-container.h>
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
+
} // namespace
namespace Dali
mPlaceholderTextInactive(),
mPlaceholderTextColor( 0.8f, 0.8f, 0.8f, 0.8f ),
mEventQueue(),
+ mInputStyleChangedQueue(),
+ mPreviousState( INACTIVE ),
mState( INACTIVE ),
mPrimaryCursorPosition( 0u ),
mLeftSelectionPosition( 0u ),
mRightSelectionPosition( 0u ),
mPreEditStartPosition( 0u ),
mPreEditLength( 0u ),
+ mCursorHookPositionX( 0.f ),
mIsShowingPlaceholderText( false ),
mPreEditFlag( false ),
mDecoratorUpdated( false ),
mGrabHandleEnabled( true ),
mGrabHandlePopupEnabled( true ),
mSelectionEnabled( true ),
- mHorizontalScrollingEnabled( true ),
- mVerticalScrollingEnabled( false ),
+ mUpdateCursorHookPosition( false ),
mUpdateCursorPosition( false ),
+ mUpdateGrabHandlePosition( false ),
mUpdateLeftSelectionPosition( false ),
mUpdateRightSelectionPosition( false ),
+ mIsLeftHandleSelected( false ),
+ mUpdateHighlightBox( false ),
mScrollAfterUpdatePosition( false ),
mScrollAfterDelete( false ),
mAllTextSelected( false ),
}
}
+ if( mEventData->mUpdateCursorPosition ||
+ mEventData->mUpdateHighlightBox )
+ {
+ NotifyImfManager();
+ }
+
// The cursor must also be repositioned after inserts into the model
if( mEventData->mUpdateCursorPosition )
{
// Updates the cursor position and scrolls the text to make it visible.
CursorInfo cursorInfo;
+ // Calculate the cursor position from the new cursor index.
GetCursorPosition( mEventData->mPrimaryCursorPosition,
cursorInfo );
+ if( mEventData->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 )
{
// ... then, text can be scrolled to make the cursor visible.
if( mEventData->mScrollAfterUpdatePosition )
{
- ScrollToMakePositionVisible( cursorInfo.primaryPosition );
+ const Vector2 currentCursorPosition( cursorInfo.primaryPosition.x, cursorInfo.lineOffset );
+ ScrollToMakePositionVisible( currentCursorPosition, cursorInfo.lineHeight );
}
mEventData->mScrollAfterUpdatePosition = false;
mEventData->mScrollAfterDelete = false;
mEventData->mDecoratorUpdated = true;
mEventData->mUpdateCursorPosition = false;
+ mEventData->mUpdateGrabHandlePosition = false;
}
else
{
- bool leftScroll = false;
- bool rightScroll = false;
-
CursorInfo leftHandleInfo;
CursorInfo rightHandleInfo;
- if( mEventData->mUpdateLeftSelectionPosition )
+ if( mEventData->mUpdateHighlightBox )
{
GetCursorPosition( mEventData->mLeftSelectionPosition,
leftHandleInfo );
- if( mEventData->mScrollAfterUpdatePosition )
- {
- ScrollToMakePositionVisible( leftHandleInfo.primaryPosition );
- leftScroll = true;
- }
- }
-
- if( mEventData->mUpdateRightSelectionPosition )
- {
GetCursorPosition( mEventData->mRightSelectionPosition,
rightHandleInfo );
- if( mEventData->mScrollAfterUpdatePosition )
+ if( mEventData->mScrollAfterUpdatePosition && ( mEventData->mIsLeftHandleSelected ? mEventData->mUpdateLeftSelectionPosition : mEventData->mUpdateRightSelectionPosition ) )
{
- ScrollToMakePositionVisible( rightHandleInfo.primaryPosition );
- rightScroll = true;
+ CursorInfo& info = mEventData->mIsLeftHandleSelected ? leftHandleInfo : rightHandleInfo;
+
+ const Vector2 currentCursorPosition( info.primaryPosition.x, info.lineOffset );
+ ScrollToMakePositionVisible( currentCursorPosition, info.lineHeight );
}
}
SetPopupButtons();
mEventData->mDecoratorUpdated = true;
+ mEventData->mUpdateLeftSelectionPosition = false;
}
if( mEventData->mUpdateRightSelectionPosition )
SetPopupButtons();
mEventData->mDecoratorUpdated = true;
+ mEventData->mUpdateRightSelectionPosition = false;
}
- if( mEventData->mUpdateLeftSelectionPosition || mEventData->mUpdateRightSelectionPosition )
+ if( mEventData->mUpdateHighlightBox )
{
RepositionSelectionHandles();
mEventData->mUpdateLeftSelectionPosition = false;
mEventData->mUpdateRightSelectionPosition = false;
+ mEventData->mUpdateHighlightBox = false;
}
- if( leftScroll || rightScroll )
- {
- mEventData->mScrollAfterUpdatePosition = false;
- }
+ 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 );
// Retrieve the style from the style runs stored in the logical model.
mLogicalModel->RetrieveStyle( styleIndex, mEventData->mInputStyle );
+ // Compare if the input style has changed.
+ const bool hasInputStyleChanged = !currentInputStyle.Equal( mEventData->mInputStyle );
+
+ if( hasInputStyleChanged )
+ {
+ const InputStyle::Mask styleChangedMask = currentInputStyle.GetInputStyleChangeMask( mEventData->mInputStyle );
+ // Queue the input style changed signal.
+ mEventData->mInputStyleChangedQueue.PushBack( styleChangedMask );
+ }
+
mEventData->mUpdateInputStyle = false;
}
return decoratorUpdated;
}
+void Controller::Impl::NotifyImfManager()
+{
+ if( mEventData && mEventData->mImfManager )
+ {
+ CharacterIndex cursorPosition = GetLogicalCursorPosition();
+
+ const Length numberOfWhiteSpaces = GetNumberOfWhiteSpaces( 0u );
+
+ // Update the cursor position by removing the initial white spaces.
+ if( cursorPosition < numberOfWhiteSpaces )
+ {
+ cursorPosition = 0u;
+ }
+ else
+ {
+ cursorPosition -= numberOfWhiteSpaces;
+ }
+
+ mEventData->mImfManager.SetCursorPosition( cursorPosition );
+ mEventData->mImfManager.NotifyCursorPosition();
+ }
+}
+
+void Controller::Impl::NotifyImfMultiLineStatus()
+{
+ if ( mEventData )
+ {
+ LayoutEngine::Layout layout = mLayoutEngine.GetLayout();
+ mEventData->mImfManager.NotifyTextInputMultiLine( layout == LayoutEngine::MULTI_LINE_BOX );
+ }
+}
+
+CharacterIndex Controller::Impl::GetLogicalCursorPosition() const
+{
+ CharacterIndex cursorPosition = 0u;
+
+ if( mEventData )
+ {
+ if( ( EventData::SELECTING == mEventData->mState ) ||
+ ( EventData::SELECTION_HANDLE_PANNING == mEventData->mState ) )
+ {
+ cursorPosition = std::min( mEventData->mRightSelectionPosition, mEventData->mLeftSelectionPosition );
+ }
+ else
+ {
+ cursorPosition = mEventData->mPrimaryCursorPosition;
+ }
+ }
+
+ return cursorPosition;
+}
+
+Length Controller::Impl::GetNumberOfWhiteSpaces( CharacterIndex index ) const
+{
+ Length numberOfWhiteSpaces = 0u;
+
+ // Get the buffer to the text.
+ Character* utf32CharacterBuffer = mLogicalModel->mText.Begin();
+
+ const Length totalNumberOfCharacters = mLogicalModel->mText.Count();
+ for( ; index < totalNumberOfCharacters; ++index, ++numberOfWhiteSpaces )
+ {
+ if( !TextAbstraction::IsWhiteSpace( *( utf32CharacterBuffer + index ) ) )
+ {
+ break;
+ }
+ }
+
+ return numberOfWhiteSpaces;
+}
+
+void Controller::Impl::GetText( CharacterIndex index, std::string& text ) const
+{
+ // Get the total number of characters.
+ Length numberOfCharacters = mLogicalModel->mText.Count();
+
+ // Retrieve the text.
+ if( 0u != numberOfCharacters )
+ {
+ Utf32ToUtf8( mLogicalModel->mText.Begin() + index, numberOfCharacters - index, text );
+ }
+}
+
void Controller::Impl::CalculateTextUpdateIndices( Length& numberOfCharacters )
{
mTextUpdateInfo.mParagraphCharacterIndex = 0u;
// 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 );
+ // Get the default font's description.
+ TextAbstraction::FontDescription defaultFontDescription;
+ TextAbstraction::PointSize26Dot6 defaultPointSize = TextAbstraction::FontClient::DEFAULT_POINT_SIZE;
+ if( NULL != mFontDefaults )
+ {
+ defaultFontDescription = mFontDefaults->mFontDescription;
+ defaultPointSize = mFontDefaults->mDefaultPointSize * 64u;
+ }
// Validates the fonts. If there is a character with no assigned font it sets a default one.
// After this call, fonts are validated.
multilanguageSupport.ValidateFonts( utf32Characters,
scripts,
fontDescriptionRuns,
- defaultFontId,
+ defaultFontDescription,
+ defaultPointSize,
startIndex,
requestedNumberOfCharacters,
validFonts );
inputStyle.slant = TextAbstraction::FontSlant::NORMAL;
inputStyle.size = 0.f;
- inputStyle.familyDefined = false;
- inputStyle.weightDefined = false;
- inputStyle.widthDefined = false;
- inputStyle.slantDefined = false;
- inputStyle.sizeDefined = false;
+ inputStyle.lineSpacing = 0.f;
+
+ inputStyle.underlineProperties.clear();
+ inputStyle.shadowProperties.clear();
+ inputStyle.embossProperties.clear();
+ inputStyle.outlineProperties.clear();
+
+ inputStyle.isFamilyDefined = false;
+ inputStyle.isWeightDefined = false;
+ inputStyle.isWidthDefined = false;
+ inputStyle.isSlantDefined = false;
+ inputStyle.isSizeDefined = false;
+
+ inputStyle.isLineSpacingDefined = false;
+
+ inputStyle.isUnderlineDefined = false;
+ inputStyle.isShadowDefined = false;
+ inputStyle.isEmbossDefined = false;
+ inputStyle.isOutlineDefined = false;
// Sets the default font's family name, weight, width, slant and size.
if( mFontDefaults )
if( mFontDefaults->familyDefined )
{
inputStyle.familyName = mFontDefaults->mFontDescription.family;
- inputStyle.familyDefined = true;
+ inputStyle.isFamilyDefined = true;
}
if( mFontDefaults->weightDefined )
{
inputStyle.weight = mFontDefaults->mFontDescription.weight;
- inputStyle.weightDefined = true;
+ inputStyle.isWeightDefined = true;
}
if( mFontDefaults->widthDefined )
{
inputStyle.width = mFontDefaults->mFontDescription.width;
- inputStyle.widthDefined = true;
+ inputStyle.isWidthDefined = true;
}
if( mFontDefaults->slantDefined )
{
inputStyle.slant = mFontDefaults->mFontDescription.slant;
- inputStyle.slantDefined = true;
+ inputStyle.isSlantDefined = true;
}
if( mFontDefaults->sizeDefined )
{
inputStyle.size = mFontDefaults->mDefaultPointSize;
- inputStyle.sizeDefined = true;
+ inputStyle.isSizeDefined = true;
}
}
}
}
else if( Dali::DALI_KEY_CURSOR_UP == keyCode )
{
- // TODO
+ // Get first the line index of the current cursor position index.
+ CharacterIndex characterIndex = 0u;
+
+ if( mEventData->mPrimaryCursorPosition > 0u )
+ {
+ characterIndex = mEventData->mPrimaryCursorPosition - 1u;
+ }
+
+ const LineIndex lineIndex = mVisualModel->GetLineOfCharacter( characterIndex );
+
+ if( lineIndex > 0u )
+ {
+ // Retrieve the cursor position info.
+ CursorInfo cursorInfo;
+ GetCursorPosition( mEventData->mPrimaryCursorPosition,
+ cursorInfo );
+
+ // Get the line above.
+ const LineRun& line = *( mVisualModel->mLines.Begin() + ( lineIndex - 1u ) );
+
+ // Get the next hit 'y' point.
+ const float hitPointY = cursorInfo.lineOffset - 0.5f * ( line.ascender - line.descender );
+
+ // Use the cursor hook position 'x' and the next hit 'y' position to calculate the new cursor index.
+ mEventData->mPrimaryCursorPosition = Text::GetClosestCursorIndex( mVisualModel,
+ mLogicalModel,
+ mMetrics,
+ mEventData->mCursorHookPositionX,
+ hitPointY );
+ }
}
else if( Dali::DALI_KEY_CURSOR_DOWN == keyCode )
{
- // TODO
+ // Get first the line index of the current cursor position index.
+ CharacterIndex characterIndex = 0u;
+
+ if( mEventData->mPrimaryCursorPosition > 0u )
+ {
+ characterIndex = mEventData->mPrimaryCursorPosition - 1u;
+ }
+
+ const LineIndex lineIndex = mVisualModel->GetLineOfCharacter( characterIndex );
+
+ if( lineIndex + 1u < mVisualModel->mLines.Count() )
+ {
+ // Retrieve the cursor position info.
+ CursorInfo cursorInfo;
+ GetCursorPosition( mEventData->mPrimaryCursorPosition,
+ cursorInfo );
+
+ // Get the line below.
+ const LineRun& line = *( mVisualModel->mLines.Begin() + lineIndex + 1u );
+
+ // Get the next hit 'y' point.
+ const float hitPointY = cursorInfo.lineOffset + cursorInfo.lineHeight + 0.5f * ( line.ascender - line.descender );
+
+ // Use the cursor hook position 'x' and the next hit 'y' position to calculate the new cursor index.
+ mEventData->mPrimaryCursorPosition = Text::GetClosestCursorIndex( mVisualModel,
+ mLogicalModel,
+ mMetrics,
+ mEventData->mCursorHookPositionX,
+ hitPointY );
+ }
}
mEventData->mUpdateCursorPosition = true;
const float xPosition = event.p2.mFloat - mScrollPosition.x;
const float yPosition = event.p3.mFloat - mScrollPosition.y;
+ // Keep the tap 'x' position. Used to move the cursor.
+ mEventData->mCursorHookPositionX = xPosition;
+
mEventData->mPrimaryCursorPosition = Text::GetClosestCursorIndex( mVisualModel,
mLogicalModel,
mMetrics,
}
mEventData->mUpdateCursorPosition = true;
+ mEventData->mUpdateGrabHandlePosition = true;
mEventData->mScrollAfterUpdatePosition = true;
mEventData->mUpdateInputStyle = true;
return;
}
- int state = event.p1.mInt;
+ const bool isHorizontalScrollEnabled = mEventData->mDecorator->IsHorizontalScrollEnabled();
+ const bool isVerticalScrollEnabled = mEventData->mDecorator->IsVerticalScrollEnabled();
- if( ( Gesture::Started == state ) ||
- ( Gesture::Continuing == state ) )
+ if( !isHorizontalScrollEnabled && !isVerticalScrollEnabled )
{
- const Vector2& actualSize = mVisualModel->GetLayoutSize();
- const Vector2 currentScroll = mScrollPosition;
+ // Nothing to do if scrolling is not enabled.
+ return;
+ }
- if( mEventData->mHorizontalScrollingEnabled )
- {
- const float displacementX = event.p2.mFloat;
- mScrollPosition.x += displacementX;
+ const int state = event.p1.mInt;
- ClampHorizontalScroll( actualSize );
+ switch( state )
+ {
+ case Gesture::Started:
+ {
+ // Will remove the cursor, handles or text's popup, ...
+ ChangeState( EventData::TEXT_PANNING );
+ break;
}
-
- if( mEventData->mVerticalScrollingEnabled )
+ case Gesture::Continuing:
{
- const float displacementY = event.p3.mFloat;
- mScrollPosition.y += displacementY;
+ const Vector2& layoutSize = mVisualModel->GetLayoutSize();
+ const Vector2 currentScroll = mScrollPosition;
- ClampVerticalScroll( actualSize );
- }
+ if( isHorizontalScrollEnabled )
+ {
+ const float displacementX = event.p2.mFloat;
+ mScrollPosition.x += displacementX;
+
+ ClampHorizontalScroll( layoutSize );
+ }
+
+ if( isVerticalScrollEnabled )
+ {
+ const float displacementY = event.p3.mFloat;
+ mScrollPosition.y += displacementY;
+
+ ClampVerticalScroll( layoutSize );
+ }
- if( mEventData->mDecorator )
- {
mEventData->mDecorator->UpdatePositions( mScrollPosition - currentScroll );
+ break;
+ }
+ case Gesture::Finished:
+ case Gesture::Cancelled: // FALLTHROUGH
+ {
+ // Will go back to the previous state to show the cursor, handles, the text's popup, ...
+ ChangeState( mEventData->mPreviousState );
+ break;
}
+ default:
+ break;
}
}
{
ChangeState ( EventData::EDITING_WITH_POPUP );
mEventData->mDecoratorUpdated = true;
+ mEventData->mUpdateInputStyle = true;
}
}
const unsigned int state = event.p1.mUint;
const bool handleStopScrolling = ( HANDLE_STOP_SCROLLING == state );
+ const bool isSmoothHandlePanEnabled = mEventData->mDecorator->IsSmoothHandlePanEnabled();
if( HANDLE_PRESSED == state )
{
const float xPosition = event.p2.mFloat - mScrollPosition.x;
const float yPosition = event.p3.mFloat - mScrollPosition.y;
+ // Need to calculate the handle's new position.
const CharacterIndex handleNewPosition = Text::GetClosestCursorIndex( mVisualModel,
mLogicalModel,
mMetrics,
if( handleNewPosition != mEventData->mPrimaryCursorPosition )
{
- mEventData->mPrimaryCursorPosition = handleNewPosition;
+ // Updates the cursor position if the handle's new position is different than the current one.
mEventData->mUpdateCursorPosition = true;
+ // Does not update the grab handle position if the smooth panning is enabled. (The decorator does it smooth).
+ mEventData->mUpdateGrabHandlePosition = !isSmoothHandlePanEnabled;
+ mEventData->mPrimaryCursorPosition = handleNewPosition;
}
+
+ // Updates the decorator if the soft handle panning is enabled. It triggers a relayout in the decorator and the new position of the handle is set.
+ mEventData->mDecoratorUpdated = isSmoothHandlePanEnabled;
}
else if( Event::LEFT_SELECTION_HANDLE_EVENT == event.type )
{
if( ( handleNewPosition != mEventData->mLeftSelectionPosition ) &&
( handleNewPosition != mEventData->mRightSelectionPosition ) )
{
+ // Updates the highlight box if the handle's new position is different than the current one.
+ mEventData->mUpdateHighlightBox = true;
+ // Does not update the selection handle position if the smooth panning is enabled. (The decorator does it smooth).
+ mEventData->mUpdateLeftSelectionPosition = !isSmoothHandlePanEnabled;
mEventData->mLeftSelectionPosition = handleNewPosition;
-
- mEventData->mUpdateLeftSelectionPosition = true;
}
+
+ // Updates the decorator if the soft handle panning is enabled. It triggers a relayout in the decorator and the new position of the handle is set.
+ mEventData->mDecoratorUpdated = isSmoothHandlePanEnabled;
+
+ // Will define the order to scroll the text to match the handle position.
+ mEventData->mIsLeftHandleSelected = true;
}
else if( Event::RIGHT_SELECTION_HANDLE_EVENT == event.type )
{
if( ( handleNewPosition != mEventData->mRightSelectionPosition ) &&
( handleNewPosition != mEventData->mLeftSelectionPosition ) )
{
+ // Updates the highlight box if the handle's new position is different than the current one.
+ mEventData->mUpdateHighlightBox = true;
+ // Does not update the selection handle position if the smooth panning is enabled. (The decorator does it smooth).
+ mEventData->mUpdateRightSelectionPosition = !isSmoothHandlePanEnabled;
mEventData->mRightSelectionPosition = handleNewPosition;
-
- mEventData->mUpdateRightSelectionPosition = true;
}
+
+ // Updates the decorator if the soft handle panning is enabled. It triggers a relayout in the decorator and the new position of the handle is set.
+ mEventData->mDecoratorUpdated = isSmoothHandlePanEnabled;
+
+ // Will define the order to scroll the text to match the handle position.
+ mEventData->mIsLeftHandleSelected = false;
}
} // end ( HANDLE_PRESSED == state )
else if( ( HANDLE_RELEASED == state ) ||
handleStopScrolling )
{
CharacterIndex handlePosition = 0u;
- if( handleStopScrolling )
+ if( handleStopScrolling || isSmoothHandlePanEnabled )
{
// Convert from decorator's coords to text's coords.
const float xPosition = event.p2.mFloat - mScrollPosition.x;
if( Event::GRAB_HANDLE_EVENT == event.type )
{
mEventData->mUpdateCursorPosition = true;
+ mEventData->mUpdateGrabHandlePosition = true;
mEventData->mUpdateInputStyle = true;
if( !IsClipboardEmpty() )
ChangeState( EventData::EDITING_WITH_PASTE_POPUP ); // Moving grabhandle will show Paste Popup
}
- if( handleStopScrolling )
+ if( handleStopScrolling || isSmoothHandlePanEnabled )
{
- mEventData->mScrollAfterUpdatePosition = mEventData->mPrimaryCursorPosition != handlePosition;
+ mEventData->mScrollAfterUpdatePosition = true;
mEventData->mPrimaryCursorPosition = handlePosition;
}
}
{
ChangeState( EventData::SELECTING );
- if( handleStopScrolling )
+ mEventData->mUpdateHighlightBox = true;
+ mEventData->mUpdateLeftSelectionPosition = true;
+ mEventData->mUpdateRightSelectionPosition = true;
+
+ if( handleStopScrolling || isSmoothHandlePanEnabled )
{
- mEventData->mUpdateLeftSelectionPosition = ( mEventData->mRightSelectionPosition != handlePosition );
- mEventData->mScrollAfterUpdatePosition = mEventData->mUpdateLeftSelectionPosition;
+ mEventData->mScrollAfterUpdatePosition = true;
- if( mEventData->mUpdateLeftSelectionPosition )
+ if( ( handlePosition != mEventData->mRightSelectionPosition ) &&
+ ( handlePosition != mEventData->mLeftSelectionPosition ) )
{
mEventData->mLeftSelectionPosition = handlePosition;
}
{
ChangeState( EventData::SELECTING );
- if( handleStopScrolling )
+ mEventData->mUpdateHighlightBox = true;
+ mEventData->mUpdateRightSelectionPosition = true;
+ mEventData->mUpdateLeftSelectionPosition = true;
+
+ if( handleStopScrolling || isSmoothHandlePanEnabled )
{
- mEventData->mUpdateRightSelectionPosition = ( mEventData->mLeftSelectionPosition != handlePosition );
- mEventData->mScrollAfterUpdatePosition = mEventData->mUpdateRightSelectionPosition;
- if( mEventData->mUpdateRightSelectionPosition )
+ mEventData->mScrollAfterUpdatePosition = true;
+ if( ( handlePosition != mEventData->mRightSelectionPosition ) &&
+ ( handlePosition != mEventData->mLeftSelectionPosition ) )
{
mEventData->mRightSelectionPosition = handlePosition;
}
else if( HANDLE_SCROLLING == state )
{
const float xSpeed = event.p2.mFloat;
- const Vector2& actualSize = mVisualModel->GetLayoutSize();
+ const float ySpeed = event.p3.mFloat;
+ const Vector2& layoutSize = mVisualModel->GetLayoutSize();
const Vector2 currentScrollPosition = mScrollPosition;
mScrollPosition.x += xSpeed;
+ mScrollPosition.y += ySpeed;
- ClampHorizontalScroll( actualSize );
+ ClampHorizontalScroll( layoutSize );
+ ClampVerticalScroll( layoutSize );
bool endOfScroll = false;
if( Vector2::ZERO == ( currentScrollPosition - mScrollPosition ) )
// Set the position of the handle.
const bool scrollRightDirection = xSpeed > 0.f;
+ const bool scrollBottomDirection = ySpeed > 0.f;
const bool leftSelectionHandleEvent = Event::LEFT_SELECTION_HANDLE_EVENT == event.type;
const bool rightSelectionHandleEvent = Event::RIGHT_SELECTION_HANDLE_EVENT == event.type;
{
ChangeState( EventData::GRAB_HANDLE_PANNING );
+ // Get the grab handle position in decorator coords.
Vector2 position = mEventData->mDecorator->GetPosition( GRAB_HANDLE );
- // Position the grag handle close to either the left or right edge.
- position.x = scrollRightDirection ? 0.f : mVisualModel->mControlSize.width;
+ if( mEventData->mDecorator->IsHorizontalScrollEnabled() )
+ {
+ // Position the grag handle close to either the left or right edge.
+ position.x = scrollRightDirection ? 0.f : mVisualModel->mControlSize.width;
+ }
+
+ if( mEventData->mDecorator->IsVerticalScrollEnabled() )
+ {
+ position.x = mEventData->mCursorHookPositionX;
+
+ // Position the grag handle close to either the top or bottom edge.
+ position.y = scrollBottomDirection ? 0.f : mVisualModel->mControlSize.height;
+ }
// Get the new handle position.
// The grab handle's position is in decorator's coords. Need to transforms to text's coords.
position.x - mScrollPosition.x,
position.y - mScrollPosition.y );
- mEventData->mUpdateCursorPosition = mEventData->mPrimaryCursorPosition != handlePosition;
- mEventData->mScrollAfterUpdatePosition = mEventData->mUpdateCursorPosition;
- mEventData->mPrimaryCursorPosition = handlePosition;
+ if( mEventData->mPrimaryCursorPosition != handlePosition )
+ {
+ mEventData->mUpdateCursorPosition = true;
+ mEventData->mUpdateGrabHandlePosition = !isSmoothHandlePanEnabled;
+ mEventData->mScrollAfterUpdatePosition = true;
+ mEventData->mPrimaryCursorPosition = handlePosition;
+ }
mEventData->mUpdateInputStyle = mEventData->mUpdateCursorPosition;
+
+ // Updates the decorator if the soft handle panning is enabled.
+ mEventData->mDecoratorUpdated = isSmoothHandlePanEnabled;
}
else if( leftSelectionHandleEvent || rightSelectionHandleEvent )
{
- // TODO: This is recalculating the selection box every time the text is scrolled with the selection handles.
- // Think if something can be done to save power.
-
ChangeState( EventData::SELECTION_HANDLE_PANNING );
+ // Get the selection handle position in decorator coords.
Vector2 position = mEventData->mDecorator->GetPosition( leftSelectionHandleEvent ? Text::LEFT_SELECTION_HANDLE : Text::RIGHT_SELECTION_HANDLE );
- // Position the selection handle close to either the left or right edge.
- position.x = scrollRightDirection ? 0.f : mVisualModel->mControlSize.width;
+ if( mEventData->mDecorator->IsHorizontalScrollEnabled() )
+ {
+ // Position the selection handle close to either the left or right edge.
+ position.x = scrollRightDirection ? 0.f : mVisualModel->mControlSize.width;
+ }
+
+ if( mEventData->mDecorator->IsVerticalScrollEnabled() )
+ {
+ position.x = mEventData->mCursorHookPositionX;
+
+ // Position the grag handle close to either the top or bottom edge.
+ position.y = scrollBottomDirection ? 0.f : mVisualModel->mControlSize.height;
+ }
// Get the new handle position.
// The selection handle's position is in decorator's coords. Need to transform to text's coords.
if( leftSelectionHandleEvent )
{
const bool differentHandles = ( mEventData->mLeftSelectionPosition != handlePosition ) && ( mEventData->mRightSelectionPosition != handlePosition );
- mEventData->mUpdateLeftSelectionPosition = endOfScroll || differentHandles;
- if( differentHandles )
+
+ if( differentHandles || endOfScroll )
{
+ mEventData->mUpdateHighlightBox = true;
+ mEventData->mUpdateLeftSelectionPosition = !isSmoothHandlePanEnabled;
+ mEventData->mUpdateRightSelectionPosition = isSmoothHandlePanEnabled;
mEventData->mLeftSelectionPosition = handlePosition;
}
}
else
{
const bool differentHandles = ( mEventData->mRightSelectionPosition != handlePosition ) && ( mEventData->mLeftSelectionPosition != handlePosition );
- mEventData->mUpdateRightSelectionPosition = endOfScroll || differentHandles;
- if( differentHandles )
+ if( differentHandles || endOfScroll )
{
+ mEventData->mUpdateHighlightBox = true;
+ mEventData->mUpdateRightSelectionPosition = !isSmoothHandlePanEnabled;
+ mEventData->mUpdateLeftSelectionPosition = isSmoothHandlePanEnabled;
mEventData->mRightSelectionPosition = handlePosition;
}
}
{
RepositionSelectionHandles();
- mEventData->mScrollAfterUpdatePosition = true;
+ mEventData->mScrollAfterUpdatePosition = !isSmoothHandlePanEnabled;
}
}
mEventData->mDecoratorUpdated = true;
// Calculates the logical position from the x,y coords.
RepositionSelectionHandles( xPosition,
yPosition );
-
- mEventData->mUpdateLeftSelectionPosition = true;
- mEventData->mUpdateRightSelectionPosition = true;
- mEventData->mUpdateCursorPosition = false;
-
- mEventData->mScrollAfterUpdatePosition = ( mEventData->mLeftSelectionPosition != mEventData->mRightSelectionPosition );
}
}
if( mEventData->mSelectionEnabled )
{
+ ChangeState( EventData::SELECTING );
+
mEventData->mLeftSelectionPosition = 0u;
mEventData->mRightSelectionPosition = mLogicalModel->mText.Count();
mEventData->mScrollAfterUpdatePosition = true;
mEventData->mUpdateLeftSelectionPosition = true;
mEventData->mUpdateRightSelectionPosition = true;
+ mEventData->mUpdateHighlightBox = true;
}
}
if( deleteAfterRetrieval ) // Only delete text if copied successfully
{
+ // Keep a copy of the current input style.
+ InputStyle currentInputStyle;
+ currentInputStyle.Copy( mEventData->mInputStyle );
+
// Set as input style the style of the first deleted character.
mLogicalModel->RetrieveStyle( startOfSelectedText, mEventData->mInputStyle );
+ // Compare if the input style has changed.
+ const bool hasInputStyleChanged = !currentInputStyle.Equal( mEventData->mInputStyle );
+
+ if( hasInputStyleChanged )
+ {
+ const InputStyle::Mask styleChangedMask = currentInputStyle.GetInputStyleChangeMask( mEventData->mInputStyle );
+ // Queue the input style changed signal.
+ mEventData->mInputStyleChangedQueue.PushBack( styleChangedMask );
+ }
+
mLogicalModel->UpdateTextStyleRuns( startOfSelectedText, -static_cast<int>( lengthOfSelectedText ) );
// Mark the paragraphs to be updated.
Vector<Character>::Iterator last = first + lengthOfSelectedText;
utf32Characters.Erase( first, last );
- // Scroll after delete.
+ // Will show the cursor at the first character of the selection.
mEventData->mPrimaryCursorPosition = handlesCrossed ? mEventData->mRightSelectionPosition : mEventData->mLeftSelectionPosition;
}
+ else
+ {
+ // Will show the cursor at the last character of the selection.
+ mEventData->mPrimaryCursorPosition = handlesCrossed ? mEventData->mLeftSelectionPosition : mEventData->mRightSelectionPosition;
+ }
+
mEventData->mDecoratorUpdated = true;
}
}
ChangeState( EventData::EDITING );
}
-void Controller::Impl::GetTextFromClipboard( unsigned int itemIndex, std::string& retrievedString )
+void Controller::Impl::RequestGetTextFromClipboard()
{
if ( mClipboard )
{
- retrievedString = mClipboard.GetItem( itemIndex );
+ mClipboard.RequestItem();
}
}
const CharacterIndex* const glyphToCharacterBuffer = mVisualModel->mGlyphsToCharacters.Begin();
const CharacterDirection* const modelCharacterDirectionsBuffer = ( 0u != mLogicalModel->mCharacterDirections.Count() ) ? mLogicalModel->mCharacterDirections.Begin() : NULL;
- // TODO: Better algorithm to create the highlight box.
- // TODO: Multi-line.
-
- // Get the height of the line.
- const Vector<LineRun>& lines = mVisualModel->mLines;
- const LineRun& firstLine = *lines.Begin();
- const float height = firstLine.ascender + -firstLine.descender;
-
const bool isLastCharacter = selectionEnd >= mLogicalModel->mText.Count();
- const bool startDirection = ( ( NULL == modelCharacterDirectionsBuffer ) ? false : *( modelCharacterDirectionsBuffer + selectionStart ) );
- const bool endDirection = ( ( NULL == modelCharacterDirectionsBuffer ) ? false : *( modelCharacterDirectionsBuffer + ( selectionEnd - ( isLastCharacter ? 1u : 0u ) ) ) );
+ const CharacterDirection startDirection = ( ( NULL == modelCharacterDirectionsBuffer ) ? false : *( modelCharacterDirectionsBuffer + selectionStart ) );
+ const CharacterDirection endDirection = ( ( NULL == modelCharacterDirectionsBuffer ) ? false : *( modelCharacterDirectionsBuffer + ( selectionEnd - ( isLastCharacter ? 1u : 0u ) ) ) );
// Swap the indices if the start is greater than the end.
const bool indicesSwapped = selectionStart > selectionEnd;
const Length numberOfGlyphs = *( glyphsPerCharacterBuffer + selectionEndMinusOne );
const GlyphIndex glyphEnd = *( charactersToGlyphBuffer + selectionEndMinusOne ) + ( ( numberOfGlyphs > 0 ) ? numberOfGlyphs - 1u : 0u );
+ // Get the lines where the glyphs are laid-out.
+ const LineRun* lineRun = mVisualModel->mLines.Begin();
+
+ LineIndex lineIndex = 0u;
+ Length numberOfLines = 0u;
+ mVisualModel->GetNumberOfLines( glyphStart,
+ 1u + glyphEnd - glyphStart,
+ lineIndex,
+ numberOfLines );
+ const LineIndex firstLineIndex = lineIndex;
+
+ // Create the structure to store some selection box info.
+ Vector<SelectionBoxInfo> selectionBoxLinesInfo;
+ selectionBoxLinesInfo.Resize( numberOfLines );
+
+ SelectionBoxInfo* selectionBoxInfo = selectionBoxLinesInfo.Begin();
+ selectionBoxInfo->minX = MAX_FLOAT;
+ selectionBoxInfo->maxX = MIN_FLOAT;
+
+ // Keep the min and max 'x' position to calculate the size and position of the highlighed text.
+ float minHighlightX = std::numeric_limits<float>::max();
+ float maxHighlightX = std::numeric_limits<float>::min();
+ Size highLightSize;
+ Vector2 highLightPosition; // The highlight position in decorator's coords.
+
+ // Retrieve the first line and get the line's vertical offset, the line's height and the index to the last glyph.
+
+ // The line's vertical offset of all the lines before the line where the first glyph is laid-out.
+ selectionBoxInfo->lineOffset = CalculateLineOffset( mVisualModel->mLines,
+ firstLineIndex );
+
+ // Transform to decorator's (control) coords.
+ selectionBoxInfo->lineOffset += mScrollPosition.y;
+
+ lineRun += firstLineIndex;
+
+ // The line height is the addition of the line ascender and the line descender.
+ // However, the line descender has a negative value, hence the subtraction.
+ selectionBoxInfo->lineHeight = lineRun->ascender - lineRun->descender;
+
+ GlyphIndex lastGlyphOfLine = lineRun->glyphRun.glyphIndex + lineRun->glyphRun.numberOfGlyphs - 1u;
+
// Check if the first glyph is a ligature that must be broken like Latin ff, fi, or Arabic ï»», etc which needs special code.
const Length numberOfCharactersStart = *( charactersPerGlyphBuffer + glyphStart );
bool splitStartGlyph = ( numberOfCharactersStart > 1u ) && HasLigatureMustBreak( mLogicalModel->GetScript( selectionStart ) );
const Length numberOfCharactersEnd = *( charactersPerGlyphBuffer + glyphEnd );
bool splitEndGlyph = ( glyphStart != glyphEnd ) && ( numberOfCharactersEnd > 1u ) && HasLigatureMustBreak( mLogicalModel->GetScript( selectionEndMinusOne ) );
+ // The number of quads of the selection box.
+ const unsigned int numberOfQuads = 1u + ( glyphEnd - glyphStart ) + ( ( numberOfLines > 1u ) ? 2u * numberOfLines : 0u );
+ mEventData->mDecorator->ResizeHighlightQuads( numberOfQuads );
+
+ // Count the actual number of quads.
+ unsigned int actualNumberOfQuads = 0u;
+ Vector4 quad;
+
// Traverse the glyphs.
for( GlyphIndex index = glyphStart; index <= glyphEnd; ++index )
{
// Calculate the number of characters selected.
const Length numberOfCharacters = ( glyphStart == glyphEnd ) ? ( selectionEnd - selectionStart ) : ( numberOfCharactersStart - interGlyphIndex );
- const float xPosition = firstLine.alignmentOffset + position.x - glyph.xBearing + mScrollPosition.x + glyphAdvance * static_cast<float>( isCurrentRightToLeft ? ( numberOfCharactersStart - interGlyphIndex - numberOfCharacters ) : interGlyphIndex );
+ quad.x = lineRun->alignmentOffset + position.x - glyph.xBearing + mScrollPosition.x + glyphAdvance * static_cast<float>( isCurrentRightToLeft ? ( numberOfCharactersStart - interGlyphIndex - numberOfCharacters ) : interGlyphIndex );
+ quad.y = selectionBoxInfo->lineOffset;
+ quad.z = quad.x + static_cast<float>( numberOfCharacters ) * glyphAdvance;
+ quad.w = selectionBoxInfo->lineOffset + selectionBoxInfo->lineHeight;
+
+ // Store the min and max 'x' for each line.
+ selectionBoxInfo->minX = std::min( selectionBoxInfo->minX, quad.x );
+ selectionBoxInfo->maxX = std::max( selectionBoxInfo->maxX, quad.z );
- mEventData->mDecorator->AddHighlight( xPosition,
- mScrollPosition.y,
- xPosition + static_cast<float>( numberOfCharacters ) * glyphAdvance,
- mScrollPosition.y + height );
+ mEventData->mDecorator->AddHighlight( actualNumberOfQuads, quad );
+ ++actualNumberOfQuads;
splitStartGlyph = false;
continue;
const Length numberOfCharacters = numberOfCharactersEnd - interGlyphIndex;
- const float xPosition = firstLine.alignmentOffset + position.x - glyph.xBearing + mScrollPosition.x + ( isCurrentRightToLeft ? ( glyphAdvance * static_cast<float>( numberOfCharacters ) ) : 0.f );
- mEventData->mDecorator->AddHighlight( xPosition,
- mScrollPosition.y,
- xPosition + static_cast<float>( interGlyphIndex ) * glyphAdvance,
- mScrollPosition.y + height );
+ quad.x = lineRun->alignmentOffset + position.x - glyph.xBearing + mScrollPosition.x + ( isCurrentRightToLeft ? ( glyphAdvance * static_cast<float>( numberOfCharacters ) ) : 0.f );
+ quad.y = selectionBoxInfo->lineOffset;
+ quad.z = quad.x + static_cast<float>( interGlyphIndex ) * glyphAdvance;
+ quad.w = quad.y + selectionBoxInfo->lineHeight;
+
+ // Store the min and max 'x' for each line.
+ selectionBoxInfo->minX = std::min( selectionBoxInfo->minX, quad.x );
+ selectionBoxInfo->maxX = std::max( selectionBoxInfo->maxX, quad.z );
+
+ mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
+ quad );
+ ++actualNumberOfQuads;
splitEndGlyph = false;
continue;
}
- const float xPosition = firstLine.alignmentOffset + position.x - glyph.xBearing + mScrollPosition.x;
- mEventData->mDecorator->AddHighlight( xPosition,
- mScrollPosition.y,
- xPosition + glyph.advance,
- mScrollPosition.y + height );
+ quad.x = lineRun->alignmentOffset + position.x - glyph.xBearing + mScrollPosition.x;
+ quad.y = selectionBoxInfo->lineOffset;
+ quad.z = quad.x + glyph.advance;
+ quad.w = quad.y + selectionBoxInfo->lineHeight;
+
+ // Store the min and max 'x' for each line.
+ selectionBoxInfo->minX = std::min( selectionBoxInfo->minX, quad.x );
+ selectionBoxInfo->maxX = std::max( selectionBoxInfo->maxX, quad.z );
+
+ mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
+ quad );
+ ++actualNumberOfQuads;
+
+ // Whether to retrieve the next line.
+ if( index == lastGlyphOfLine )
+ {
+ // Retrieve the next line.
+ ++lineRun;
+
+ // Get the last glyph of the new line.
+ lastGlyphOfLine = lineRun->glyphRun.glyphIndex + lineRun->glyphRun.numberOfGlyphs - 1u;
+
+ ++lineIndex;
+ if( lineIndex < firstLineIndex + numberOfLines )
+ {
+ // Keep the offset and height of the current selection box.
+ const float currentLineOffset = selectionBoxInfo->lineOffset;
+ const float currentLineHeight = selectionBoxInfo->lineHeight;
+
+ // Get the selection box info for the next line.
+ ++selectionBoxInfo;
+
+ selectionBoxInfo->minX = MAX_FLOAT;
+ selectionBoxInfo->maxX = MIN_FLOAT;
+
+ // Update the line's vertical offset.
+ selectionBoxInfo->lineOffset = currentLineOffset + currentLineHeight;
+
+ // The line height is the addition of the line ascender and the line descender.
+ // However, the line descender has a negative value, hence the subtraction.
+ selectionBoxInfo->lineHeight = lineRun->ascender - lineRun->descender;
+ }
+ }
+ }
+
+ // Traverses all the lines and updates the min and max 'x' positions and the total height.
+ // The final width is calculated after 'boxifying' the selection.
+ for( Vector<SelectionBoxInfo>::ConstIterator it = selectionBoxLinesInfo.Begin(),
+ endIt = selectionBoxLinesInfo.End();
+ it != endIt;
+ ++it )
+ {
+ const SelectionBoxInfo& info = *it;
+
+ // Update the size of the highlighted text.
+ highLightSize.height += info.lineHeight;
+ minHighlightX = std::min( minHighlightX, info.minX );
+ maxHighlightX = std::max( maxHighlightX, info.maxX );
+ }
+
+ // Add extra geometry to 'boxify' the selection.
+
+ if( 1u < numberOfLines )
+ {
+ // Boxify the first line.
+ lineRun = 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 = mVisualModel->mControlSize.width;
+ quad.w = firstSelectionBoxLineInfo.lineOffset + firstSelectionBoxLineInfo.lineHeight;
+
+ // Boxify at the end of the line.
+ mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
+ quad );
+ ++actualNumberOfQuads;
+
+ // Update the size of the highlighted text.
+ maxHighlightX = mVisualModel->mControlSize.width;
+ }
+
+ // Boxify the central lines.
+ if( 2u < numberOfLines )
+ {
+ for( Vector<SelectionBoxInfo>::ConstIterator it = selectionBoxLinesInfo.Begin() + 1u,
+ endIt = selectionBoxLinesInfo.End() - 1u;
+ it != endIt;
+ ++it )
+ {
+ const SelectionBoxInfo& info = *it;
+
+ quad.x = 0.f;
+ quad.y = info.lineOffset;
+ quad.z = info.minX;
+ quad.w = info.lineOffset + info.lineHeight;
+
+ mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
+ quad );
+ ++actualNumberOfQuads;
+
+ quad.x = info.maxX;
+ quad.y = info.lineOffset;
+ quad.z = mVisualModel->mControlSize.width;
+ quad.w = info.lineOffset + info.lineHeight;
+
+ mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
+ quad );
+ ++actualNumberOfQuads;
+ }
+
+ // Update the size of the highlighted text.
+ minHighlightX = 0.f;
+ maxHighlightX = mVisualModel->mControlSize.width;
+ }
+
+ // Boxify the last line.
+ lineRun = 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 = mVisualModel->mControlSize.width;
+ quad.w = lastSelectionBoxLineInfo.lineOffset + lastSelectionBoxLineInfo.lineHeight;
+
+ // Boxify at the end of the line.
+ mEventData->mDecorator->AddHighlight( actualNumberOfQuads,
+ quad );
+ ++actualNumberOfQuads;
+
+ // Update the size of the highlighted text.
+ maxHighlightX = mVisualModel->mControlSize.width;
+ }
}
- CursorInfo primaryCursorInfo;
- GetCursorPosition( mEventData->mLeftSelectionPosition,
- primaryCursorInfo );
+ // Set the actual number of quads.
+ mEventData->mDecorator->ResizeHighlightQuads( actualNumberOfQuads );
- CursorInfo secondaryCursorInfo;
- GetCursorPosition( mEventData->mRightSelectionPosition,
- secondaryCursorInfo );
+ // 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;
- const Vector2 primaryPosition = primaryCursorInfo.primaryPosition + mScrollPosition;
- const Vector2 secondaryPosition = secondaryCursorInfo.primaryPosition + mScrollPosition;
+ highLightPosition.x = minHighlightX;
+ const SelectionBoxInfo& firstSelectionBoxLineInfo = *( selectionBoxLinesInfo.Begin() );
+ highLightPosition.y = firstSelectionBoxLineInfo.lineOffset;
- mEventData->mDecorator->SetPosition( LEFT_SELECTION_HANDLE,
- primaryPosition.x,
- primaryCursorInfo.lineOffset + mScrollPosition.y,
- primaryCursorInfo.lineHeight );
+ mEventData->mDecorator->SetHighLightBox( highLightPosition, highLightSize );
- mEventData->mDecorator->SetPosition( RIGHT_SELECTION_HANDLE,
- secondaryPosition.x,
- secondaryCursorInfo.lineOffset + mScrollPosition.y,
- secondaryCursorInfo.lineHeight );
+ if( !mEventData->mDecorator->IsSmoothHandlePanEnabled() )
+ {
+ CursorInfo primaryCursorInfo;
+ GetCursorPosition( mEventData->mLeftSelectionPosition,
+ primaryCursorInfo );
+
+ const Vector2 primaryPosition = primaryCursorInfo.primaryPosition + mScrollPosition;
+
+ mEventData->mDecorator->SetPosition( LEFT_SELECTION_HANDLE,
+ primaryPosition.x,
+ primaryCursorInfo.lineOffset + mScrollPosition.y,
+ primaryCursorInfo.lineHeight );
+
+ CursorInfo secondaryCursorInfo;
+ GetCursorPosition( mEventData->mRightSelectionPosition,
+ secondaryCursorInfo );
+
+ const Vector2 secondaryPosition = secondaryCursorInfo.primaryPosition + mScrollPosition;
+
+ mEventData->mDecorator->SetPosition( RIGHT_SELECTION_HANDLE,
+ secondaryPosition.x,
+ secondaryCursorInfo.lineOffset + mScrollPosition.y,
+ secondaryCursorInfo.lineHeight );
+ }
// Cursor to be positioned at end of selection so if selection interrupted and edit mode restarted the cursor will be at end of selection
mEventData->mPrimaryCursorPosition = ( indicesSwapped ) ? mEventData->mLeftSelectionPosition : mEventData->mRightSelectionPosition;
// Find which word was selected
CharacterIndex selectionStart( 0 );
CharacterIndex selectionEnd( 0 );
- FindSelectionIndices( mVisualModel,
- mLogicalModel,
- mMetrics,
- visualX,
- visualY,
- selectionStart,
- selectionEnd );
+ const bool indicesFound = FindSelectionIndices( mVisualModel,
+ mLogicalModel,
+ mMetrics,
+ visualX,
+ visualY,
+ selectionStart,
+ selectionEnd );
DALI_LOG_INFO( gLogFilter, Debug::Verbose, "%p selectionStart %d selectionEnd %d\n", this, selectionStart, selectionEnd );
- if( selectionStart == selectionEnd )
+ if( indicesFound )
{
- ChangeState( EventData::EDITING );
- // Nothing to select. i.e. a white space, out of bounds
- return;
+ ChangeState( EventData::SELECTING );
+
+ mEventData->mLeftSelectionPosition = selectionStart;
+ mEventData->mRightSelectionPosition = selectionEnd;
+
+ mEventData->mUpdateLeftSelectionPosition = true;
+ mEventData->mUpdateRightSelectionPosition = true;
+ mEventData->mUpdateHighlightBox = true;
+
+ mEventData->mScrollAfterUpdatePosition = ( mEventData->mLeftSelectionPosition != mEventData->mRightSelectionPosition );
}
+ else
+ {
+ // Nothing to select. i.e. a white space, out of bounds
+ ChangeState( EventData::EDITING );
+
+ mEventData->mPrimaryCursorPosition = selectionEnd;
- mEventData->mLeftSelectionPosition = selectionStart;
- mEventData->mRightSelectionPosition = selectionEnd;
+ mEventData->mUpdateCursorPosition = true;
+ mEventData->mUpdateGrabHandlePosition = true;
+ mEventData->mScrollAfterUpdatePosition = true;
+ mEventData->mUpdateInputStyle = true;
+ }
}
void Controller::Impl::SetPopupButtons()
if( mEventData->mState != newState )
{
+ mEventData->mPreviousState = mEventData->mState;
mEventData->mState = newState;
- if( EventData::INACTIVE == mEventData->mState )
+ switch( mEventData->mState )
{
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
- mEventData->mDecorator->StopCursorBlink();
- mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
- mEventData->mDecorator->SetPopupActive( false );
- mEventData->mDecoratorUpdated = true;
- HideClipboard();
- }
- else if( EventData::INTERRUPTED == mEventData->mState)
- {
- mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
- mEventData->mDecorator->SetPopupActive( false );
- mEventData->mDecoratorUpdated = true;
- HideClipboard();
- }
- else if( EventData::SELECTING == mEventData->mState )
- {
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
- mEventData->mDecorator->StopCursorBlink();
- mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, true );
- mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, true );
- if( mEventData->mGrabHandlePopupEnabled )
- {
- SetPopupButtons();
- mEventData->mDecorator->SetPopupActive( true );
- }
- mEventData->mDecoratorUpdated = true;
- }
- else if( EventData::EDITING == mEventData->mState )
- {
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
- if( mEventData->mCursorBlinkEnabled )
+ case EventData::INACTIVE:
{
- mEventData->mDecorator->StartCursorBlink();
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
+ mEventData->mDecorator->StopCursorBlink();
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHighlightActive( false );
+ mEventData->mDecorator->SetPopupActive( false );
+ mEventData->mDecoratorUpdated = true;
+ break;
}
- // Grab handle is not shown until a tap is received whilst EDITING
- mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
- if( mEventData->mGrabHandlePopupEnabled )
+ case EventData::INTERRUPTED:
{
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHighlightActive( false );
mEventData->mDecorator->SetPopupActive( false );
+ mEventData->mDecoratorUpdated = true;
+ break;
}
- 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 )
+ case EventData::SELECTING:
{
- mEventData->mDecorator->StartCursorBlink();
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
+ mEventData->mDecorator->StopCursorBlink();
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, true );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, true );
+ mEventData->mDecorator->SetHighlightActive( true );
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ SetPopupButtons();
+ mEventData->mDecorator->SetPopupActive( true );
+ }
+ mEventData->mDecoratorUpdated = true;
+ break;
}
- if( mEventData->mSelectionEnabled )
+ case EventData::EDITING:
{
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+ if( mEventData->mCursorBlinkEnabled )
+ {
+ mEventData->mDecorator->StartCursorBlink();
+ }
+ // Grab handle is not shown until a tap is received whilst EDITING
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHighlightActive( false );
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ mEventData->mDecorator->SetPopupActive( false );
+ }
+ mEventData->mDecoratorUpdated = true;
+ break;
}
- else
+ case EventData::EDITING_WITH_POPUP:
{
- mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "EDITING_WITH_POPUP \n", newState );
+
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+ if( mEventData->mCursorBlinkEnabled )
+ {
+ mEventData->mDecorator->StartCursorBlink();
+ }
+ if( mEventData->mSelectionEnabled )
+ {
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHighlightActive( false );
+ }
+ else
+ {
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
+ }
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ SetPopupButtons();
+ mEventData->mDecorator->SetPopupActive( true );
+ }
+ mEventData->mDecoratorUpdated = true;
+ break;
}
- if( mEventData->mGrabHandlePopupEnabled )
+ case EventData::EDITING_WITH_GRAB_HANDLE:
{
- SetPopupButtons();
- mEventData->mDecorator->SetPopupActive( true );
- }
- HideClipboard();
- mEventData->mDecoratorUpdated = true;
- }
- else if( EventData::EDITING_WITH_GRAB_HANDLE == mEventData->mState )
- {
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "EDITING_WITH_GRAB_HANDLE \n", newState );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "EDITING_WITH_GRAB_HANDLE \n", newState );
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
- if( mEventData->mCursorBlinkEnabled )
- {
- mEventData->mDecorator->StartCursorBlink();
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+ if( mEventData->mCursorBlinkEnabled )
+ {
+ mEventData->mDecorator->StartCursorBlink();
+ }
+ // Grab handle is not shown until a tap is received whilst EDITING
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHighlightActive( false );
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ mEventData->mDecorator->SetPopupActive( false );
+ }
+ mEventData->mDecoratorUpdated = true;
+ break;
}
- // Grab handle is not shown until a tap is received whilst EDITING
- mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
- mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
- if( mEventData->mGrabHandlePopupEnabled )
+ case EventData::SELECTION_HANDLE_PANNING:
{
- mEventData->mDecorator->SetPopupActive( false );
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
+ mEventData->mDecorator->StopCursorBlink();
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, true );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, true );
+ mEventData->mDecorator->SetHighlightActive( true );
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ mEventData->mDecorator->SetPopupActive( false );
+ }
+ mEventData->mDecoratorUpdated = true;
+ break;
}
- mEventData->mDecoratorUpdated = true;
- HideClipboard();
- }
- else if( EventData::SELECTION_HANDLE_PANNING == mEventData->mState )
- {
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
- mEventData->mDecorator->StopCursorBlink();
- mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, true );
- mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, true );
- if( mEventData->mGrabHandlePopupEnabled )
+ case EventData::GRAB_HANDLE_PANNING:
{
- mEventData->mDecorator->SetPopupActive( false );
- }
- mEventData->mDecoratorUpdated = true;
- }
- else if( EventData::GRAB_HANDLE_PANNING == mEventData->mState )
- {
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "GRAB_HANDLE_PANNING \n", newState );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "GRAB_HANDLE_PANNING \n", newState );
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
- if( mEventData->mCursorBlinkEnabled )
- {
- mEventData->mDecorator->StartCursorBlink();
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+ if( mEventData->mCursorBlinkEnabled )
+ {
+ mEventData->mDecorator->StartCursorBlink();
+ }
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHighlightActive( false );
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ mEventData->mDecorator->SetPopupActive( false );
+ }
+ mEventData->mDecoratorUpdated = true;
+ break;
}
- mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
- mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
- if( mEventData->mGrabHandlePopupEnabled )
+ case EventData::EDITING_WITH_PASTE_POPUP:
{
- mEventData->mDecorator->SetPopupActive( false );
- }
- mEventData->mDecoratorUpdated = true;
- }
- else if( EventData::EDITING_WITH_PASTE_POPUP == mEventData->mState )
- {
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "EDITING_WITH_PASTE_POPUP \n", newState );
+ 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->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+ if( mEventData->mCursorBlinkEnabled )
+ {
+ mEventData->mDecorator->StartCursorBlink();
+ }
- mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
- mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
- mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, true );
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHighlightActive( false );
- if( mEventData->mGrabHandlePopupEnabled )
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ SetPopupButtons();
+ mEventData->mDecorator->SetPopupActive( true );
+ }
+ mEventData->mDecoratorUpdated = true;
+ break;
+ }
+ case EventData::TEXT_PANNING:
{
- SetPopupButtons();
- mEventData->mDecorator->SetPopupActive( true );
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_NONE );
+ mEventData->mDecorator->StopCursorBlink();
+ mEventData->mDecorator->SetHandleActive( GRAB_HANDLE, false );
+ if( mEventData->mDecorator->IsHandleActive( LEFT_SELECTION_HANDLE ) ||
+ mEventData->mDecorator->IsHandleActive( RIGHT_SELECTION_HANDLE ) )
+ {
+ mEventData->mDecorator->SetHandleActive( LEFT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHandleActive( RIGHT_SELECTION_HANDLE, false );
+ mEventData->mDecorator->SetHighlightActive( true );
+ }
+
+ if( mEventData->mGrabHandlePopupEnabled )
+ {
+ mEventData->mDecorator->SetPopupActive( false );
+ }
+
+ mEventData->mDecoratorUpdated = true;
+ break;
}
- HideClipboard();
- mEventData->mDecoratorUpdated = true;
}
}
}
cursorIndex += numberOfCharacters;
}
+ // Will update the cursor hook position.
+ mEventData->mUpdateCursorHookPosition = true;
+
return cursorIndex;
}
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,
- cursorInfo.lineOffset + mScrollPosition.y,
- cursorInfo.lineHeight );
+ if( mEventData->mUpdateGrabHandlePosition )
+ {
+ // Sets the grab handle position.
+ mEventData->mDecorator->SetPosition( GRAB_HANDLE,
+ cursorPosition.x,
+ cursorInfo.lineOffset + mScrollPosition.y,
+ cursorInfo.lineHeight );
+ }
if( cursorInfo.isSecondaryCursor )
{
mEventData->mAllTextSelected = ( startOfSelection == 0 ) && ( endOfSelection == mLogicalModel->mText.Count() );
}
-void Controller::Impl::ClampHorizontalScroll( const Vector2& actualSize )
+void Controller::Impl::ClampHorizontalScroll( const Vector2& layoutSize )
{
// Clamp between -space & 0.
- if( actualSize.width > mVisualModel->mControlSize.width )
+ if( layoutSize.width > mVisualModel->mControlSize.width )
{
- const float space = ( actualSize.width - mVisualModel->mControlSize.width );
+ const float space = ( layoutSize.width - mVisualModel->mControlSize.width );
mScrollPosition.x = ( mScrollPosition.x < -space ) ? -space : mScrollPosition.x;
mScrollPosition.x = ( mScrollPosition.x > 0.f ) ? 0.f : mScrollPosition.x;
}
}
-void Controller::Impl::ClampVerticalScroll( const Vector2& actualSize )
+void Controller::Impl::ClampVerticalScroll( const Vector2& layoutSize )
{
+ if( LayoutEngine::SINGLE_LINE_BOX == mLayoutEngine.GetLayout() )
+ {
+ // Nothing to do if the text is single line.
+ return;
+ }
+
// Clamp between -space & 0.
- if( actualSize.height > mVisualModel->mControlSize.height )
+ if( layoutSize.height > mVisualModel->mControlSize.height )
{
- const float space = ( actualSize.height - mVisualModel->mControlSize.height );
+ const float space = ( layoutSize.height - mVisualModel->mControlSize.height );
mScrollPosition.y = ( mScrollPosition.y < -space ) ? -space : mScrollPosition.y;
mScrollPosition.y = ( mScrollPosition.y > 0.f ) ? 0.f : mScrollPosition.y;
}
}
-void Controller::Impl::ScrollToMakePositionVisible( const Vector2& position )
+void Controller::Impl::ScrollToMakePositionVisible( const Vector2& position, float lineHeight )
{
- const float cursorWidth = mEventData->mDecorator ? mEventData->mDecorator->GetCursorWidth() : 0.f;
+ const float cursorWidth = mEventData->mDecorator ? static_cast<float>( mEventData->mDecorator->GetCursorWidth() ) : 0.f;
// position is in actor's coords.
- const float positionEnd = position.x + cursorWidth;
+ const float positionEndX = position.x + cursorWidth;
+ const float positionEndY = position.y + lineHeight;
// Transform the position to decorator coords.
- const float decoratorPositionBegin = position.x + mScrollPosition.x;
- const float decoratorPositionEnd = positionEnd + mScrollPosition.x;
+ const float decoratorPositionBeginX = position.x + mScrollPosition.x;
+ const float decoratorPositionEndX = positionEndX + mScrollPosition.x;
+
+ const float decoratorPositionBeginY = position.y + mScrollPosition.y;
+ const float decoratorPositionEndY = positionEndY + mScrollPosition.y;
- if( decoratorPositionBegin < 0.f )
+ if( decoratorPositionBeginX < 0.f )
{
mScrollPosition.x = -position.x;
}
- else if( decoratorPositionEnd > mVisualModel->mControlSize.width )
+ else if( decoratorPositionEndX > mVisualModel->mControlSize.width )
+ {
+ mScrollPosition.x = mVisualModel->mControlSize.width - positionEndX;
+ }
+
+ if( decoratorPositionBeginY < 0.f )
+ {
+ mScrollPosition.y = -position.y;
+ }
+ else if( decoratorPositionEndY > mVisualModel->mControlSize.height )
{
- mScrollPosition.x = mVisualModel->mControlSize.width - positionEnd;
+ mScrollPosition.y = mVisualModel->mControlSize.height - positionEndY;
}
}
// Calculate the offset to match the cursor position before the character was deleted.
mScrollPosition.x = currentCursorPosition.x - cursorInfo.primaryPosition.x;
+ mScrollPosition.y = currentCursorPosition.y - cursorInfo.lineOffset;
ClampHorizontalScroll( mVisualModel->GetLayoutSize() );
+ ClampVerticalScroll( mVisualModel->GetLayoutSize() );
// Makes the new cursor position visible if needed.
- ScrollToMakePositionVisible( cursorInfo.primaryPosition );
+ ScrollToMakePositionVisible( cursorInfo.primaryPosition, cursorInfo.lineHeight );
}
void Controller::Impl::RequestRelayout()
{
- mControlInterface.RequestTextRelayout();
+ if( NULL != mControlInterface )
+ {
+ mControlInterface->RequestTextRelayout();
+ }
}
} // namespace Text
projects / platform / core / uifw / dali-toolkit.git / blobdiff