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BinEditor: Use 64-bit wide addresses only when they are required.

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Reviewed-by: mae
This commit is contained in:
ck
2009-09-30 11:14:20 +02:00
parent 698d7a2ad6
commit fb7e4ef256
2 changed files with 18 additions and 6 deletions
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23
src/plugins/bineditor/bineditor.cpp
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@@ -83,6 +83,7 @@ BinEditor::BinEditor(QWidget *parent)
m_baseAddr = 0;
m_blockSize = 4096;
m_size = 0;
m_addressBytes = 4;
init();
m_unmodifiedState = 0;
m_readOnly = false;
@@ -93,7 +94,6 @@ BinEditor::BinEditor(QWidget *parent)
m_cursorVisible = false;
m_caseSensitiveSearch = false;
setFocusPolicy(Qt::WheelFocus);
m_addressString = QString(16 + 3, QLatin1Char(':'));
}
BinEditor::~BinEditor()
@@ -102,6 +102,9 @@ BinEditor::~BinEditor()
void BinEditor::init()
{
const int addressStringWidth =
2*m_addressBytes + (m_addressBytes - 1) / 2;
m_addressString = QString(addressStringWidth, QLatin1Char(':'));
QFontMetrics fm(fontMetrics());
m_margin = 4;
m_descent = fm.descent();
@@ -113,7 +116,8 @@ void BinEditor::init()
m_numVisibleLines = viewport()->height() / m_lineHeight;
m_textWidth = 16 * m_charWidth + m_charWidth;
int m_numberWidth = fm.width(QChar(QLatin1Char('9')));
m_labelWidth = 16 * m_numberWidth + 4 * m_charWidth;
m_labelWidth =
2*m_addressBytes * m_numberWidth + (m_addressBytes - 1)/2 * m_charWidth;
int expectedCharWidth = m_columnWidth / 3;
const char *hex = "0123456789abcdef";
@@ -132,7 +136,9 @@ void BinEditor::init()
m_isMonospacedFont = false;
m_columnWidth = fm.width("MMM");
m_labelWidth = fm.width("MMMM:MMMM:MMMM:MMMM");
m_labelWidth = m_addressBytes == 4
? fm.width("MMMM:MMMM")
: fm.width("MMMM:MMMM:MMMM:MMMM");
}
horizontalScrollBar()->setRange(0, 2 * m_margin + 16 * m_columnWidth
@@ -333,6 +339,7 @@ void BinEditor::setData(const QByteArray &data)
m_lazyRequests.clear();
m_data = data;
m_size = data.size();
m_addressBytes = 4;
m_unmodifiedState = 0;
m_undoStack.clear();
@@ -411,6 +418,8 @@ void BinEditor::setLazyData(quint64 startAddr, int range, int blockSize)
m_baseAddr = (m_baseAddr / blockSize) * blockSize;
m_size = m_baseAddr != 0 && static_cast<quint64>(range) >= -m_baseAddr
? -m_baseAddr : range;
m_addressBytes = (m_baseAddr + m_size < quint64(1) << 32
&& m_baseAddr + m_size >= m_baseAddr) ? 4 : 8;
m_unmodifiedState = 0;
m_undoStack.clear();
@@ -677,9 +686,11 @@ QString BinEditor::addressString(quint64 address)
0, 1, 2, 3, 5, 6, 7, 8, 10, 11, 12, 13, 15, 16, 17, 18
};
for (int b = 0; b < 8; ++b) {
addressStringData[indices[15 - b*2]] = hex[(address >> (8*b)) & 0xf];
addressStringData[indices[14 - b*2]] = hex[(address >> (8*b + 4)) & 0xf];
for (int b = 0; b < m_addressBytes; ++b) {
addressStringData[indices[2*m_addressBytes - 1 - b*2]] =
hex[(address >> (8*b)) & 0xf];
addressStringData[indices[2*m_addressBytes - 2 - b*2]] =
hex[(address >> (8*b + 4)) & 0xf];
}
return m_addressString;
}