mUpdateCursorPosition( false ),
mUpdateLeftSelectionPosition( false ),
mUpdateRightSelectionPosition( false ),
- mScrollAfterUpdateCursorPosition( false )
+ mScrollAfterUpdateCursorPosition( false ),
+ mScrollAfterDelete( false )
{}
EventData::~EventData()
mEventData->mDecoratorUpdated = true;
mEventData->mUpdateCursorPosition = false;
}
+ else if( mEventData->mScrollAfterDelete )
+ {
+ ScrollTextToMatchCursor();
+ mEventData->mDecoratorUpdated = true;
+ mEventData->mScrollAfterDelete = false;
+ }
else if( mEventData->mUpdateLeftSelectionPosition )
{
UpdateSelectionHandle( LEFT_SELECTION_HANDLE );
return;
}
- CursorInfo cursorInfo;
- GetCursorPosition( mEventData->mPrimaryCursorPosition,
- cursorInfo );
+ if( IsShowingPlaceholderText() )
+ {
+ // Do not want to use the place-holder text to set the cursor position.
- const Vector2 offset = mEventData->mScrollPosition + mAlignmentOffset;
- const Vector2 cursorPosition = cursorInfo.primaryPosition + offset;
+ // 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.
- // 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 );
+ float lineHeight = 0.f;
- // Sets the grab handle position.
- mEventData->mDecorator->SetPosition( GRAB_HANDLE,
- cursorPosition.x,
- cursorPosition.y,
- cursorInfo.lineHeight );
+ FontId defaultFontId = 0u;
+ if( NULL == mFontDefaults )
+ {
+ defaultFontId = mFontClient.GetFontId( EMPTY_STRING,
+ EMPTY_STRING );
+ }
+ else
+ {
+ defaultFontId = mFontDefaults->GetFontId( mFontClient );
+ }
- 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 );
+ Text::FontMetrics fontMetrics;
+ mFontClient.GetFontMetrics( defaultFontId, fontMetrics );
+
+ lineHeight = fontMetrics.ascender - fontMetrics.descender;
+
+
+ Vector2 cursorPosition;
+
+ switch( mLayoutEngine.GetHorizontalAlignment() )
+ {
+ case LayoutEngine::HORIZONTAL_ALIGN_BEGIN:
+ {
+ cursorPosition.x = 1.f;
+ break;
+ }
+ case LayoutEngine::HORIZONTAL_ALIGN_CENTER:
+ {
+ cursorPosition.x = floor( 0.5f * mControlSize.width );
+ break;
+ }
+ case LayoutEngine::HORIZONTAL_ALIGN_END:
+ {
+ cursorPosition.x = mControlSize.width;
+ break;
+ }
+ }
+
+ switch( mLayoutEngine.GetVerticalAlignment() )
+ {
+ case LayoutEngine::VERTICAL_ALIGN_TOP:
+ {
+ cursorPosition.y = 0.f;
+ break;
+ }
+ case LayoutEngine::VERTICAL_ALIGN_CENTER:
+ {
+ cursorPosition.y = floorf( 0.5f * ( mControlSize.height - lineHeight ) );
+ break;
+ }
+ case LayoutEngine::VERTICAL_ALIGN_BOTTOM:
+ {
+ cursorPosition.y = mControlSize.height - lineHeight;
+ break;
+ }
+ }
+
+ mEventData->mDecorator->SetPosition( PRIMARY_CURSOR,
+ cursorPosition.x,
+ cursorPosition.y,
+ lineHeight,
+ lineHeight );
}
else
{
- mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+ 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,
+ cursorInfo.lineHeight );
+
+ if( cursorInfo.isSecondaryCursor )
+ {
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_BOTH );
+ mEventData->mDecorator->SetPosition( SECONDARY_CURSOR,
+ cursorInfo.secondaryPosition.x + offset.x,
+ cursorInfo.secondaryPosition.y + offset.y,
+ cursorInfo.secondaryCursorHeight,
+ cursorInfo.lineHeight );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Secondary cursor position: %f,%f\n", cursorInfo.secondaryPosition.x + offset.x, cursorInfo.secondaryPosition.y + offset.y );
+ }
+ else
+ {
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+ }
}
DALI_LOG_INFO( gLogFilter, Debug::Verbose, "<--Controller::UpdateCursorPosition\n" );
}
// TODO : calculate the vertical scroll.
}
+void Controller::Impl::ScrollTextToMatchCursor()
+{
+ // Get the current cursor position in decorator coords.
+ const Vector2& currentCursorPosition = mEventData->mDecorator->GetPosition( PRIMARY_CURSOR );
+
+ // Calculate the new cursor position.
+ CursorInfo cursorInfo;
+ GetCursorPosition( mEventData->mPrimaryCursorPosition,
+ cursorInfo );
+
+ // Calculate the offset to match the cursor position before the character was deleted.
+ mEventData->mScrollPosition.x = currentCursorPosition.x - cursorInfo.primaryPosition.x - mAlignmentOffset.x;
+
+ ClampHorizontalScroll( mVisualModel->GetActualSize() );
+ bool updateCursorPosition = true;
+
+ const Vector2 offset = mEventData->mScrollPosition + mAlignmentOffset;
+ const Vector2 cursorPosition = cursorInfo.primaryPosition + offset;
+
+ if( updateCursorPosition )
+ {
+ // Sets the cursor position.
+ mEventData->mDecorator->SetPosition( PRIMARY_CURSOR,
+ cursorPosition.x,
+ cursorPosition.y,
+ cursorInfo.primaryCursorHeight,
+ cursorInfo.lineHeight );
+
+ // Sets the grab handle position.
+ mEventData->mDecorator->SetPosition( GRAB_HANDLE,
+ cursorPosition.x,
+ cursorPosition.y,
+ cursorInfo.lineHeight );
+
+ if( cursorInfo.isSecondaryCursor )
+ {
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_BOTH );
+ mEventData->mDecorator->SetPosition( SECONDARY_CURSOR,
+ cursorInfo.secondaryPosition.x + offset.x,
+ cursorInfo.secondaryPosition.y + offset.y,
+ cursorInfo.secondaryCursorHeight,
+ cursorInfo.lineHeight );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Secondary cursor position: %f,%f\n", cursorInfo.secondaryPosition.x + offset.x, cursorInfo.secondaryPosition.y + offset.y );
+ }
+ else
+ {
+ mEventData->mDecorator->SetActiveCursor( ACTIVE_CURSOR_PRIMARY );
+ }
+ }
+}
+
void Controller::Impl::RequestRelayout()
{
mControlInterface.RequestTextRelayout();