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add fallback display for non-printable characters

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This commit is contained in:
mappu 2017-06-19 20:42:51 +12:00
parent bb594e768c
commit 767eaa0a47
1 changed files with 21 additions and 1 deletions
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22
qbolt/mainwindow.cpp
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@ -91,7 +91,27 @@ void MainWindow::openDatabase(QString file, bool readOnly)
static const QString getDisplayName(const QByteArray &qba) {
// FIXME the formatting isn't so great when control characters, etc. are used
// A C-style escape display, or the unicode-replacement-character would be preferable
return QString::fromUtf8(qba);
QString ret(QString::fromUtf8(qba));
bool allPrintable = true;
for (auto i = ret.begin(), e = ret.end(); i != e; ++i) {
if (! i->isPrint()) {
allPrintable = false;
break;
}
}
if (allPrintable) {
return ret; // fine
}
// Some of the characters weren't printable.
// Build up a replacement string
QString replacement;
for (auto i = ret.begin(), e = ret.end(); i != e; ++i) {
replacement += i->isPrint() ? *i : QStringLiteral("\\u{%1}").arg(i->unicode());
}
return replacement;
}
void MainWindow::refreshBucketTree(QTreeWidgetItem* itm)