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small refactoring in the bineditor

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This commit is contained in:
hjk
2009-08-18 09:20:00 +02:00
parent ffe74d4447
commit ec2b2330aa
2 changed files with 16 additions and 14 deletions
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27
src/plugins/bineditor/bineditor.cpp
View File

@@ -439,13 +439,13 @@ bool BinEditor::inTextArea(const QPoint &pos) const
return (x > 16 * m_columnWidth + m_charWidth/2);
}
void BinEditor::updateLines()
{
updateLines(m_cursorPosition, m_cursorPosition);
}
void BinEditor::updateLines(int fromPosition, int toPosition)
{
if (fromPosition < 0)
fromPosition = m_cursorPosition;
if (toPosition < 0)
toPosition = fromPosition;
int topLine = verticalScrollBar()->value();
int firstLine = qMin(fromPosition, toPosition) / 16;
int lastLine = qMax(fromPosition, toPosition) / 16;
@@ -650,6 +650,7 @@ void BinEditor::paintEvent(QPaintEvent *e)
const char *hex = "0123456789abcdef";
painter.setPen(palette().text().color());
const QFontMetrics &fm = painter.fontMetrics();
for (int i = 0; i <= m_numVisibleLines; ++i) {
int line = topLine + i;
if (line >= m_numLines)
@@ -715,18 +716,18 @@ void BinEditor::paintEvent(QPaintEvent *e)
if (foundPatternAt >= 0 && pos >= foundPatternAt && pos < foundPatternAt + matchLength) {
painter.fillRect(item_x, y-m_ascent, m_columnWidth, m_lineHeight, QColor(0xffef0b));
int printable_item_x = -xoffset + m_margin + m_labelWidth + 16 * m_columnWidth + m_charWidth
+ painter.fontMetrics().width( printable.left(c));
+ fm.width(printable.left(c));
painter.fillRect(printable_item_x, y-m_ascent,
painter.fontMetrics().width(printable.at(c)),
fm.width(printable.at(c)),
m_lineHeight, QColor(0xffef0b));
}
if (selStart < selEnd && !isFullySelected && pos >= selStart && pos < selEnd) {
selectionRect |= QRect(item_x, y-m_ascent, m_columnWidth, m_lineHeight);
int printable_item_x = -xoffset + m_margin + m_labelWidth + 16 * m_columnWidth + m_charWidth
+ painter.fontMetrics().width( printable.left(c));
+ fm.width(printable.left(c));
printableSelectionRect |= QRect(printable_item_x, y-m_ascent,
painter.fontMetrics().width(printable.at(c)),
fm.width(printable.at(c)),
m_lineHeight);
}
}
@@ -754,7 +755,7 @@ void BinEditor::paintEvent(QPaintEvent *e)
if (cursor >= 0) {
int w = painter.fontMetrics().boundingRect(itemString.mid(cursor*3, 2)).width();
int w = fm.boundingRect(itemString.mid(cursor*3, 2)).width();
QRect cursorRect(x + cursor * m_columnWidth, y - m_ascent, w + 1, m_lineHeight);
painter.save();
painter.setPen(Qt::red);
@@ -762,7 +763,7 @@ void BinEditor::paintEvent(QPaintEvent *e)
painter.restore();
if (m_hexCursor && m_cursorVisible) {
if (m_lowNibble)
cursorRect.adjust(painter.fontMetrics().width(itemString.left(1)), 0, 0, 0);
cursorRect.adjust(fm.width(itemString.left(1)), 0, 0, 0);
painter.fillRect(cursorRect, Qt::red);
painter.save();
painter.setClipRect(cursorRect);
@@ -776,7 +777,7 @@ void BinEditor::paintEvent(QPaintEvent *e)
if (isFullySelected) {
painter.save();
painter.fillRect(text_x, y-m_ascent, painter.fontMetrics().width(printable), m_lineHeight,
painter.fillRect(text_x, y-m_ascent, fm.width(printable), m_lineHeight,
palette().highlight());
painter.setPen(palette().highlightedText().color());
painter.drawText(text_x, y, printable);
@@ -794,9 +795,9 @@ void BinEditor::paintEvent(QPaintEvent *e)
}
if (cursor >= 0 && !printable.isEmpty()) {
QRect cursorRect(text_x + painter.fontMetrics().width(printable.left(cursor)),
QRect cursorRect(text_x + fm.width(printable.left(cursor)),
y-m_ascent,
painter.fontMetrics().width(printable.at(cursor)),
fm.width(printable.at(cursor)),
m_lineHeight);
painter.save();
if (m_hexCursor || !m_cursorVisible) {

3
src/plugins/bineditor/bineditor.h
View File

@@ -187,7 +187,8 @@ private:
int posAt(const QPoint &pos) const;
bool inTextArea(const QPoint &pos) const;
QRect cursorRect() const;
void updateLines(int fromPosition = -1, int toPosition = -1);
void updateLines();
void updateLines(int fromPosition, int toPosition);
void ensureCursorVisible();
void setBlinkingCursorEnabled(bool enable);