Method getLineWidth

src/eepp/ui/uicodeeditor.cpp:2085–2135

}

Float UICodeEditor::getLineWidth( const Int64& docLine ) {
	if ( docLine >= (Int64)mDoc->linesCount() || !mDocView.isLineVisible( docLine ) )
		return 0;

	bool isMonospaceLine = this->isMonospaceLine( docLine );

	if ( mDocView.isWrappedLine( docLine ) ) {
		auto vline = mDocView.getVisibleLineInfo( docLine );
		const auto& line = mDoc->line( docLine ).getText();
		Float width = 0;

		if ( !isMonospaceLine ) {
			auto found = mLinesWidthCache.find( docLine );
			if ( found != mLinesWidthCache.end() &&
				 mDoc->getLineHash( docLine ) == found->second.first )
				return found->second.second;
		}

		for ( size_t i = 0; i < vline.visualLines.size(); i++ ) {
			auto pos = vline.visualLines[i].column();
			auto len =
				i + 1 < vline.visualLines.size() ? vline.visualLines[i + 1].column() : line.size();
			auto vlineStr = line.view().substr( pos, len - pos );
			auto curWidth =
				getTextWidth( vlineStr, isMonospaceLine, {},
							  mDoc->line( docLine ).getTextHints() | getWidgetTextDrawHints() );
			width = eemax( width, curWidth );
		}

		if ( !isMonospaceLine ) {
			mLinesWidthCache[docLine] = { line.getHash(), width };
		}

		return width;
	}

	if ( !isMonospaceLine ) {
		auto& line = mDoc->line( docLine );
		auto found = mLinesWidthCache.find( docLine );
		if ( found != mLinesWidthCache.end() && line.getHash() == found->second.first )
			return found->second.second;
		Float width = getTextWidth( line.getText(), {}, mTabStops ? 0 : std::optional<Float>{},
									line.getTextHints() | getWidgetTextDrawHints() );
		mLinesWidthCache[docLine] = { line.getHash(), width };
		return width;
	}

	return getTextWidth( mDoc->line( docLine ).getText(), isMonospaceLine,
						 mTabStops ? 0 : std::optional<Float>{},
						 mDoc->line( docLine ).getTextHints() | getWidgetTextDrawHints() );
}

void UICodeEditor::updateScrollBar() {
	Int64 notVisibleLineCount = (Int64)getTotalVisibleLines() - (Int64)getViewPortLineCount().y;