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add lambda support

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arcan1s
2015-08-21 00:05:15 +03:00
parent a5e9b32b28
commit 835eb00f0d
5 changed files with 81 additions and 13 deletions
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52
sources/awesome-widget/plugin/awkeys.cpp
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@ -26,6 +26,7 @@
#include <QNetworkInterface>
#include <QProcessEnvironment>
#include <QRegExp>
#include <QScriptEngine>
#include <QSettings>
#include <QStandardPaths>
#include <QThread>
@ -131,6 +132,8 @@ QString AWKeys::parsePattern() const
QString parsed = pattern;
parsed.replace(QString("$$"), QString("$\\$\\"));
foreach(QString key, foundLambdas)
parsed.replace(QString("${{%1}}").arg(key), calculateLambda(key));
foreach(QString key, foundKeys)
parsed.replace(QString("$%1").arg(key), htmlValue(key));
foreach(QString bar, foundBars)
@ -820,6 +823,7 @@ void AWKeys::reinitKeys()
keys = dictKeys();
foundBars = findGraphicalItems();
foundKeys = findKeys();
foundLambdas = findLambdas();
}
@ -868,6 +872,27 @@ void AWKeys::addKeyToCache(const QString type, const QString key)
}
QString AWKeys::calculateLambda(QString key) const
{
if (debug) qDebug() << PDEBUG;
if (debug) qDebug() << PDEBUG << ":" << "Lambda key" << key;
QScriptEngine engine;
foreach(QString lambdaKey, foundKeys)
key.replace(QString("$%1").arg(lambdaKey), values[lambdaKey]);
if (debug) qDebug() << PDEBUG << ":" << "Expression" << key;
QScriptValue result = engine.evaluate(key);
if (engine.hasUncaughtException()) {
int line = engine.uncaughtExceptionLineNumber();
if (debug) qDebug() << PDEBUG << ":" << "Uncaught exception at line"
<< line << ":" << result.toString();
return QString();
} else
return result.toString();
}
QString AWKeys::htmlValue(QString key) const
{
if (debug) qDebug() << PDEBUG;
@ -934,6 +959,8 @@ QStringList AWKeys::findGraphicalItems() const
QStringList AWKeys::findKeys() const
{
if (debug) qDebug() << PDEBUG;
QStringList selectedKeys;
foreach(QString key, keys) {
if (key.startsWith(QString("bar"))) continue;
@ -947,6 +974,31 @@ QStringList AWKeys::findKeys() const
}
QStringList AWKeys::findLambdas() const
{
if (debug) qDebug() << PDEBUG;
QStringList selectedKeys;
// substring inside ${{ }} (with brackets) which should not contain ${{
QRegularExpression lambdaRegexp(QString("\\$\\{\\{((?!\\$\\{\\{).)*?\\}\\}"));
lambdaRegexp.setPatternOptions(QRegularExpression::DotMatchesEverythingOption);
QRegularExpressionMatchIterator it = lambdaRegexp.globalMatch(pattern);
while (it.hasNext()) {
QRegularExpressionMatch match = it.next();
QString lambda = match.captured();
// drop brakets
lambda.remove(QRegExp(QString("^\\$\\{\\{")));
lambda.remove(QRegExp(QString("\\}\\}$")));
// append
if (debug) qDebug() << PDEBUG << ":" << "Found lambda" << lambda;
selectedKeys.append(lambda);
}
return selectedKeys;
}
GraphicalItem *AWKeys::getItemByTag(const QString tag) const
{
if (debug) qDebug() << PDEBUG;