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Optimize painting of skipped lines, don't paint "..."

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Change-Id: I4a803ca899438ea0067c9a6244dffc77bc7109dd
Reviewed-by: hjk <hjk121@nokiamail.com>
This commit is contained in:
jkobus
2013-02-21 17:14:07 +01:00
committed by hjk
parent 95c410f145
commit 4c75dd71ed
1 changed files with 78 additions and 103 deletions
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161
src/plugins/diffeditor/diffeditorwidget.cpp
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@@ -39,7 +39,6 @@
#include <QDebug>
#include <texteditor/basetexteditor.h>
#include <texteditor/snippets/snippeteditor.h>
#include <texteditor/basetextdocumentlayout.h>
@@ -80,10 +79,10 @@ public:
return const_cast<QTextCodec *>(baseTextDocument()->codec());
}
QMap<int, int> skippedLines() const { return m_skippedLines; }
QMap<int, QMap<int, int> > skippedLines() const { return m_skippedLines; }
void setLineNumber(int blockNumber, const QString &lineNumber);
void setSkippedLines(int visualLineNumber, int skippedLines) { m_skippedLines.insert(visualLineNumber, skippedLines); }
void setSkippedLines(int blockNumber, int lineInBlock, int skippedLines) { m_skippedLines[blockNumber][lineInBlock] = skippedLines; }
void clearLineNumbers();
void clearSkippedLines() { m_skippedLines.clear(); }
@@ -99,7 +98,8 @@ protected:
private:
QMap<int, QString> m_lineNumbers;
int m_lineNumberDigits;
QMap<int, int> m_skippedLines;
// block number, line in block, skipped lines
QMap<int, QMap<int, int> > m_skippedLines;
};
DiffViewEditorWidget::DiffViewEditorWidget(QWidget *parent)
@@ -157,41 +157,36 @@ void DiffViewEditorWidget::scrollContentsBy(int dx, int dy)
void DiffViewEditorWidget::paintEvent(QPaintEvent *e)
{
SnippetEditorWidget::paintEvent(e);
QPainter painter(viewport());
QPointF offset = contentOffset();
QTextBlock firstBlock = firstVisibleBlock();
QTextBlock currentBlock = firstBlock;
QMap<int, int> skipped = skippedLines();
QMapIterator<int, int> itChunk(skipped);
while (itChunk.hasNext()) {
itChunk.next();
const int line = itChunk.key();
const int skipped = itChunk.value();
QMap<int, QMap<int, int> > skipped = skippedLines();
QTextCursor cursor = textCursor();
cursor.movePosition(QTextCursor::Start);
cursor.movePosition(QTextCursor::Down, QTextCursor::MoveAnchor, line);
QTextBlock block = cursor.block();
qreal top = blockBoundingGeometry(block).translated(offset).top();
qreal bottom = top + blockBoundingRect(block).height();
while (currentBlock.isValid()) {
if (currentBlock.isVisible()) {
qreal top = blockBoundingGeometry(currentBlock).translated(offset).top();
qreal bottom = top + blockBoundingRect(currentBlock).height();
if (block.blockNumber() < firstBlock.blockNumber()
|| top > e->rect().bottom())
continue;
if (top > e->rect().bottom())
break;
if (bottom >= e->rect().top()) {
QTextLayout *layout = currentBlock.layout();
QMap<int, int> skippedInBlock = skipped.value(currentBlock.blockNumber());
QMapIterator<int, int> itLines(skippedInBlock);
while (itLines.hasNext()) {
itLines.next();
if (block.isVisible() && bottom >= e->rect().top()) {
QTextLayout *layout = block.layout();
const int blockLine = line - block.firstLineNumber();
const int blockLineCount = layout->lineCount();
if (blockLine < blockLineCount) {
painter.save();
painter.setPen(palette().foreground().color());
QTextLine textLine = layout->lineAt(blockLine);
// QRectF lineRect = textLine.naturalTextRect().translated(offset.x(), top);
QTextLine textLine = layout->lineAt(itLines.key());
// QRectF lineRect = textLine.naturalTextRect().translated(offset.x(), top);
QRectF lineRect = textLine.naturalTextRect().translated(0, top);
QString skippedRowsText = tr("Skipped %n lines...", 0, skipped);
QString skippedRowsText = tr("Skipped %n lines...", 0, itLines.value());
QFontMetrics fm(font());
const int textWidth = fm.width(skippedRowsText);
painter.drawText(QPointF(lineRect.right()
@@ -202,6 +197,8 @@ void DiffViewEditorWidget::paintEvent(QPaintEvent *e)
}
}
}
currentBlock = currentBlock.next();
}
}
//////////////////
@@ -485,6 +482,19 @@ ChunkData DiffEditorWidget::calculateOriginalData(const QList<Diff> &diffList) c
}
if (diffList.count() && diffList.last().command == Diff::Equal) {
if (currentLeftLine != lastAlignedLeftLine &&
currentRightLine != lastAlignedRightLine) {
// apply line spans before the current lines
if (currentLeftLineOffset < currentRightLineOffset) {
const int spans = currentRightLineOffset - currentLeftLineOffset;
leftLineSpans[currentLeftLine] = spans;
// currentLeftPos += spans;
} else if (currentRightLineOffset < currentLeftLineOffset) {
const int spans = currentLeftLineOffset - currentRightLineOffset;
rightLineSpans[currentRightLine] = spans;
// currentRightPos += spans;
}
}
if (lastLeftLineEqual && lastRightLineEqual) {
leftEqualLines.append(currentLeftLine);
rightEqualLines.append(currentRightLine);
@@ -694,8 +704,8 @@ FileData DiffEditorWidget::calculateContextData(const ChunkData &originalData) c
void DiffEditorWidget::showDiff()
{
QTime time;
time.start();
// QTime time;
// time.start();
const int verticalValue = m_leftEditor->verticalScrollBar()->value();
const int leftHorizontalValue = m_leftEditor->horizontalScrollBar()->value();
const int rightHorizontalValue = m_rightEditor->horizontalScrollBar()->value();
@@ -723,7 +733,7 @@ void DiffEditorWidget::showDiff()
m_rightEditor->clearLineNumbers();
m_leftEditor->clearSkippedLines();
m_rightEditor->clearSkippedLines();
int ela1 = time.elapsed();
// int ela1 = time.elapsed();
QString leftText, rightText;
bool leftStartWithNewLine = false;
@@ -732,39 +742,23 @@ void DiffEditorWidget::showDiff()
int leftBlockNumber = 0;
int rightLineNumber = 0;
int rightBlockNumber = 0;
int line = 0;
int leftPos = 0;
int rightPos = 0;
for (int i = 0; i < m_contextFileData.chunks.count(); i++) {
ChunkData chunkData = m_contextFileData.chunks.at(i);
int leftSeparatorCount = 0;
int rightSeparatorCount = 0;
for (int i = 0; i < m_contextFileData.chunks.count(); i++) {
ChunkData chunkData = m_contextFileData.chunks.at(i);
leftLineNumber += chunkData.skippedLinesBefore;
rightLineNumber += chunkData.skippedLinesBefore;
if (chunkData.skippedLinesBefore) {
if (leftStartWithNewLine) {
leftText += QLatin1Char('\n');
leftStartWithNewLine = false;
leftPos++;
}
leftText += QChar::LineSeparator; // for chunk description
leftPos++;
m_leftEditor->setSkippedLines(line, chunkData.skippedLinesBefore);
if (rightStartWithNewLine) {
rightText += QLatin1Char('\n');
rightStartWithNewLine = false;
rightPos++;
}
rightText += QChar::LineSeparator; // for chunk description
rightPos++;
m_rightEditor->setSkippedLines(line, chunkData.skippedLinesBefore);
line++;
m_leftEditor->setSkippedLines(leftBlockNumber, leftSeparatorCount, chunkData.skippedLinesBefore);
leftSeparatorCount++;
m_rightEditor->setSkippedLines(rightBlockNumber, rightSeparatorCount, chunkData.skippedLinesBefore);
rightSeparatorCount++;
}
for (int j = 0; j < chunkData.rows.count(); j++) {
line++;
RowData rowData = chunkData.rows.at(j);
TextLineData leftLineData = rowData.leftLine;
TextLineData rightLineData = rowData.rightLine;
@@ -775,9 +769,7 @@ void DiffEditorWidget::showDiff()
leftPos++;
}
if (leftSeparatorCount) {
QString separators;
separators.fill(QChar::LineSeparator, leftSeparatorCount);
leftText += separators;
leftText += QString(leftSeparatorCount, QChar::LineSeparator);
leftSeparatorCount = 0;
leftPos += leftSeparatorCount;
}
@@ -793,27 +785,13 @@ void DiffEditorWidget::showDiff()
leftSeparatorCount++;
}
if (j == chunkData.rows.count() - 1 && leftSeparatorCount) {
if (leftStartWithNewLine) {
leftText += QLatin1Char('\n');
leftPos++;
}
QString separators;
separators.fill(QChar::LineSeparator, leftSeparatorCount);
leftText += separators;
leftStartWithNewLine = false;
leftPos += leftSeparatorCount;
}
if (rightLineData.textLineType == TextLineData::TextLine) {
if (rightStartWithNewLine) {
rightText += QLatin1Char('\n');
rightPos++;
}
if (rightSeparatorCount) {
QString separators;
separators.fill(QChar::LineSeparator, rightSeparatorCount);
rightText += separators;
rightText += QString(rightSeparatorCount, QChar::LineSeparator);
rightSeparatorCount = 0;
rightPos += rightSeparatorCount;
}
@@ -829,44 +807,41 @@ void DiffEditorWidget::showDiff()
rightSeparatorCount++;
}
if (j == chunkData.rows.count() - 1 && rightSeparatorCount) {
}
if (i == m_contextFileData.chunks.count() - 1) {
if (leftSeparatorCount) {
if (leftStartWithNewLine) {
leftText += QLatin1Char('\n');
leftPos++;
}
leftText += QString(leftSeparatorCount, QChar::LineSeparator);
}
if (rightSeparatorCount) {
if (rightStartWithNewLine) {
rightText += QLatin1Char('\n');
rightPos++;
}
QString separators;
separators.fill(QChar::LineSeparator, rightSeparatorCount);
rightText += separators;
rightStartWithNewLine = false;
rightPos += rightSeparatorCount;
rightText += QString(rightSeparatorCount, QChar::LineSeparator);
}
}
}
int ela2 = time.elapsed();
// int ela2 = time.elapsed();
m_leftEditor->setPlainText(leftText + QLatin1String("\n"));
m_rightEditor->setPlainText(rightText + QLatin1String("\n"));
int ela3 = time.elapsed();
m_leftEditor->setPlainText(leftText);
m_rightEditor->setPlainText(rightText);
// int ela3 = time.elapsed();
QTextBlock bl;
bl = m_leftEditor->document()->lastBlock();
bl.setVisible(false);
bl.setLineCount(0);
bl = m_rightEditor->document()->lastBlock();
bl.setVisible(false);
bl.setLineCount(0);
int ela4 = time.elapsed();
// int ela4 = time.elapsed();
colorDiff(m_contextFileData);
int ela5 = time.elapsed();
// int ela5 = time.elapsed();
m_leftEditor->verticalScrollBar()->setValue(verticalValue);
m_rightEditor->verticalScrollBar()->setValue(verticalValue);
m_leftEditor->horizontalScrollBar()->setValue(leftHorizontalValue);
m_rightEditor->horizontalScrollBar()->setValue(rightHorizontalValue);
int ela6 = time.elapsed();
qDebug() << ela1 << ela2 << ela3 << ela4 << ela5 << ela6;
// int ela6 = time.elapsed();
// qDebug() << ela1 << ela2 << ela3 << ela4 << ela5 << ela6;
}
QList<QTextEdit::ExtraSelection> DiffEditorWidget::colorPositions(