File indexing completed on 2024-04-21 16:34:02

 /*
     This file is part of the Okteta Gui library, made within the KDE community.
 
     SPDX-FileCopyrightText: 2003, 2008, 2019 Friedrich W. H. Kossebau <kossebau@kde.org>
 
     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
 */
 
 #include "offsetcolumnrenderer_p.hpp"
 
 // lib
 #include "bytearraytablelayout.hpp"
 // lib
 #include <abstractcolumnstylist.hpp>
 // Qt
 #include <QPainter>
 #include <QPalette>
 #include <QFontMetrics>
 
 
 namespace Okteta {
 
 static constexpr PixelX leftOffsetMargin = 2;
 static constexpr PixelX rightOffsetMargin = 2;
 
 
 void OffsetColumnRendererPrivate::renderLine(QPainter* painter, Line lineIndex)
 {
     const PixelX offset = mLayout->firstLineOffset() + mLayout->noOfBytesPerLine() * lineIndex;
     PrintFunction(mCodedOffset, offset);
 
     const QColor& buttonColor = mStylist->palette().buttonText().color();
     painter->setPen(buttonColor);
     painter->drawText(leftOffsetMargin, mDigitBaseLine, QLatin1String(mCodedOffset));
 }
 
 void OffsetColumnRendererPrivate::renderColumnBackground(QPainter* painter, const PixelXRange& _Xs, const PixelYRange& Ys)
 {
     Q_Q(OffsetColumnRenderer);
 
     PixelXRange Xs(_Xs);
     q->restrictToXSpan(&Xs);
 
     const QBrush& buttonBrush = mStylist->palette().button();
     painter->fillRect(Xs.start(), Ys.start(), Xs.width(), Ys.width(), buttonBrush);
 }
 
 void OffsetColumnRendererPrivate::renderFirstLine(QPainter* painter, const PixelXRange&, Line firstLineIndex)
 {
     mRenderLineIndex = firstLineIndex;
     renderLine(painter, mRenderLineIndex++);
 }
 
 void OffsetColumnRendererPrivate::renderNextLine(QPainter* painter)
 {
     renderLine(painter, mRenderLineIndex++);
 }
 
 void OffsetColumnRendererPrivate::renderColumn(QPainter* painter, const PixelXRange& Xs, const PixelYRange& Ys)
 {
     renderColumnBackground(painter, Xs, Ys);
 }
 
 void OffsetColumnRendererPrivate::renderEmptyColumn(QPainter* painter, const PixelXRange& Xs, const PixelYRange& Ys)
 {
     renderColumnBackground(painter, Xs, Ys);
 }
 
 void OffsetColumnRendererPrivate::setFormat(OffsetFormat::Format format, const QFontMetrics& fontMetrics)
 {
     // no changes?
     if (mFormat == format) {
         return;
     }
 
     mFormat = format;
 
     PrintFunction = OffsetFormat::printFunction(mFormat);
 
     setFontMetrics(fontMetrics);
 }
 
 void OffsetColumnRendererPrivate::setFontMetrics(const QFontMetrics& fontMetrics)
 {
     mDigitBaseLine = fontMetrics.ascent();
 
     // use 0 as reference, using a fixed font should always yield same width
     PrintFunction(mCodedOffset, 0);
 #if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
     const int newOffsetTextWidth = fontMetrics.horizontalAdvance(QLatin1String(mCodedOffset));
 #else
     const int newOffsetTextWidth = fontMetrics.width(QLatin1String(mCodedOffset));
 #endif
 
     if (newOffsetTextWidth == mOffsetTextWidth) {
         return;
     }
 
     mOffsetTextWidth = newOffsetTextWidth;
 
     recalcX();
 }
 
 void OffsetColumnRendererPrivate::recalcX()
 {
     Q_Q(OffsetColumnRenderer);
 
     // recalculate depend sizes
     q->setWidth(mOffsetTextWidth + leftOffsetMargin + rightOffsetMargin);
 }
 
 }