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Improved automatic reloading of altered stylesheets

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This commit is contained in:
Klaus Basan
2016-07-13 18:33:58 +02:00
parent 0048384f8c
commit f9c36d0a99
2 changed files with 18 additions and 7 deletions
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20
src/blackgui/stylesheetutility.cpp
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@@ -36,8 +36,8 @@ namespace BlackGui
CStyleSheetUtility::CStyleSheetUtility(BlackMisc::Restricted<CGuiApplication>, QObject *parent) : QObject(parent)
{
this->read();
this->m_fileWatcher.addPath(CBuildConfig::getStylesheetsDir());
connect(&this->m_fileWatcher, &QFileSystemWatcher::directoryChanged, this, &CStyleSheetUtility::ps_qssDirectoryChanged);
connect(&this->m_fileWatcher, &QFileSystemWatcher::fileChanged, this, &CStyleSheetUtility::ps_qssDirectoryChanged);
}
const QString &CStyleSheetUtility::fontStyleAsString(const QFont &font)
@@ -113,26 +113,36 @@ namespace BlackGui
if (!directory.exists()) { return false; }
// qss/css files
const bool needsWatcher = this->m_fileWatcher.files().isEmpty();
if (needsWatcher) { this->m_fileWatcher.addPath(CBuildConfig::getStylesheetsDir()); } // directory to deleted file watching
directory.setNameFilters({"*.qss", "*.css"});
directory.setFilter(QDir::Files | QDir::Hidden | QDir::NoSymLinks);
this->m_styleSheets.clear();
QMap<QString, QString> newStyleSheets;
const QFileInfoList fileInfoList = directory.entryInfoList();
for (const QFileInfo &fileInfo : fileInfoList)
{
QFile file(fileInfo.absoluteFilePath());
const QString absolutePath = fileInfo.absoluteFilePath();
QFile file(absolutePath);
if (file.open(QFile::QIODevice::ReadOnly | QIODevice::Text))
{
if (needsWatcher) { this->m_fileWatcher.addPath(absolutePath); }
QTextStream in(&file);
const QString c = in.readAll();
const QString f = fileInfo.fileName().toLower();
// keep even empty files as placeholders
this->m_styleSheets.insert(f, c);
newStyleSheets.insert(f, c);
}
file.close();
}
emit this->styleSheetsChanged();
// ignore redundant re-reads
if (newStyleSheets != this->m_styleSheets)
{
this->m_styleSheets = newStyleSheets;
emit this->styleSheetsChanged();
}
return true;
}