diff options
| author | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2017-01-09 13:28:12 +0100 |
|---|---|---|
| committer | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2017-01-11 14:38:41 +0000 |
| commit | 7457808cb15c3f906454c0ef0f9db63b956dbd44 (patch) | |
| tree | efd86aa4544cd555dba9c73ec66688506ef80f0b /src | |
| parent | 5a1ce04cb71263ab078921f5efc8cf30f95a2eb5 (diff) | |
Improve tooltip of the QAxSelect dialog
- Add the root key.
- Expand all environment variables.
- Add a type enumeration for in/out of process controls.
- Mark non-existent binaries red.
Change-Id: I5671ea0d6f8e2fee1ca8da586e393e04efff5860
Reviewed-by: Andy Shaw <andy.shaw@qt.io>
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Diffstat (limited to 'src')
| -rw-r--r-- | src/activeqt/container/qaxselect.cpp | 75 |
1 files changed, 66 insertions, 9 deletions
diff --git a/src/activeqt/container/qaxselect.cpp b/src/activeqt/container/qaxselect.cpp index 073ad03..4aea0a8 100644 --- a/src/activeqt/container/qaxselect.cpp +++ b/src/activeqt/container/qaxselect.cpp @@ -42,6 +42,7 @@ #include "ui_qaxselect.h" +#include <QtCore/QFileInfo> #include <QtCore/QSortFilterProxyModel> #include <QtCore/QItemSelectionModel> #include <QtCore/QSysInfo> @@ -57,16 +58,20 @@ QT_BEGIN_NAMESPACE +enum ControlType { InProcessControl, OutOfProcessControl }; + struct Control { - inline Control() : wordSize(0) {} + inline Control() : type(InProcessControl), wordSize(0) {} int compare(const Control &rhs) const; QString toolTip() const; + ControlType type; QString clsid; QString name; QString dll; QString version; + QString rootKey; unsigned wordSize; }; @@ -78,6 +83,8 @@ inline int Control::compare(const Control &rhs) const return -1; if (wordSize < rhs.wordSize) return 1; + if (const int k = rootKey.compare(rhs.rootKey)) + return k; if (const int n = name.compare(rhs.name)) return n; if (const int c = clsid.compare(rhs.clsid)) @@ -89,20 +96,66 @@ inline int Control::compare(const Control &rhs) const return 0; } +static inline QString nonbreakingSpace(QString in) +{ + in.replace(QStringLiteral(" "), QStringLiteral(" ")); + return in; +} + +// The entry for an out of process binary typically looks like: +// "..\foo.exe" -activex +// Extract the actual binary +static QString outOfProcessBinary(const QString &entry) +{ + if (entry.startsWith(QLatin1Char('"'))) { + const int closing = entry.indexOf(QLatin1Char('"'), 1); + if (closing > 1) + return entry.mid(1, closing - 1); + } + const int spacePos = entry.indexOf(QLatin1Char(' ')); + return spacePos > 0 ? entry.left(spacePos) : entry; +} + +// Replace environment variables enclosed in '%' in a string (registry entry) +static QString replaceEnvironmentVariables(QString in) +{ + while (true) { + const int openInPercentPos = in.indexOf(QLatin1Char('%')); + if (openInPercentPos < 0) + break; + const int closingPercentPos = in.indexOf(QLatin1Char('%'), openInPercentPos + 1); + if (closingPercentPos < 0) + break; + const QStringRef varName = in.midRef(openInPercentPos + 1, closingPercentPos - openInPercentPos - 1); + const QString contents = QString::fromLocal8Bit(qgetenv(varName.toLocal8Bit())); + in.replace(openInPercentPos, closingPercentPos - openInPercentPos + 1, contents); + } + return in; +} + QString Control::toolTip() const { QString result; QTextStream str(&result); str << "<html><head/><body><table>" - << "<tr><th>" << QAxSelect::tr("Name:") << "</th><td>" << name << "</td></tr>" + << "<tr><th>" << QAxSelect::tr("Name:") << "</th><td>" << nonbreakingSpace(name) << "</td></tr>" + << "<tr><th>" << QAxSelect::tr("Type:") << "</th><td>" + << (type == InProcessControl ? QAxSelect::tr("In process") : QAxSelect::tr("Out of process")) + << "</td></tr>" << "<tr><th>" << QAxSelect::tr("CLSID:") << "</th><td>" << clsid << "</td></tr>" + << "<tr><th>" << QAxSelect::tr("Key:") << "</th><td>" << rootKey << "</td></tr>" << "<tr><th>" << QAxSelect::tr("Word size:") << "</th><td>" << wordSize << "</td></tr>"; - if (!dll.isEmpty()) - str << "<tr><th>" << QAxSelect::tr("DLL:") << "</th><td>" << dll << "</td></tr>"; + if (!dll.isEmpty()) { + str << "<tr><th>" + << (type == InProcessControl ? QAxSelect::tr("DLL:") : QAxSelect::tr("Binary:")) + << "</th><td"; + if (!QFileInfo(dll).exists()) + str << " style=\"color:red\""; + str << '>' << nonbreakingSpace(dll) << "</td></tr>"; + } if (!version.isEmpty()) str << "<tr><th>" << QAxSelect::tr("Version:") << "</th><td>" << version << "</td></tr>"; str << "</table></body></html>"; - result.replace(QStringLiteral(" "), QStringLiteral(" ")); return result; } @@ -151,8 +204,7 @@ static QList<Control> readControls(const wchar_t *rootKey, unsigned wordSize) qErrnoWarning("RegOpenKeyEx failed."); return controls; } - const QString systemRoot = QString::fromLocal8Bit(qgetenv("SystemRoot")); - const QRegExp systemRootPattern(QStringLiteral("%SystemRoot%"), Qt::CaseInsensitive, QRegExp::FixedString); + const QString rootKeyS = QStringLiteral("HKEY_CLASSES_ROOT\\") + QString::fromWCharArray(rootKey); DWORD index = 0; LONG result = 0; wchar_t buffer[256]; @@ -175,11 +227,16 @@ static QList<Control> readControls(const wchar_t *rootKey, unsigned wordSize) control.clsid = clsid; control.wordSize = wordSize; control.name = QString::fromWCharArray(buffer); + control.rootKey = rootKeyS; szBuffer = sizeof(buffer) / sizeof(wchar_t); if (querySubKeyValue(classesKey, clsid + QStringLiteral("\\InprocServer32"), reinterpret_cast<LPBYTE>(buffer), &szBuffer)) { - control.dll = QString::fromWCharArray(buffer); - control.dll.replace(systemRootPattern, systemRoot); + control.type = InProcessControl; + control.dll = replaceEnvironmentVariables(QString::fromWCharArray(buffer)); + } else if (querySubKeyValue(classesKey, clsid + QStringLiteral("\\LocalServer32"), + reinterpret_cast<LPBYTE>(buffer), &szBuffer)) { + control.type = OutOfProcessControl; + control.dll = outOfProcessBinary(replaceEnvironmentVariables(QString::fromWCharArray(buffer))); } szBuffer = sizeof(buffer) / sizeof(wchar_t); if (querySubKeyValue(classesKey, clsid + QStringLiteral("\\VERSION"), |