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[nostalgia/studio] Add ability to subscribe to updates to files

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This commit is contained in:
Gary Talent
2020-03-19 01:52:31 -05:00
parent 4273e72e74
commit e1d3fe0d6b
4 changed files with 92 additions and 15 deletions
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src/nostalgia/studio/lib/project.hpp
+52 -2
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@@ -14,11 +14,22 @@
#include <ox/fs/fs.hpp>
#include <ox/mc/mc.hpp>
#include <qnamespace.h>
#include "nostalgiastudio_export.h"
#include "ox/fs/filesystem/passthroughfs.hpp"
namespace nostalgia::studio {
enum class ProjectEvent {
FileAdded,
// FileRecognized is triggered for all matching files upon a new
// subscription to a section of the project and upon the addition of a file.
FileRecognized,
FileDeleted,
FileUpdated,
};
class NOSTALGIASTUDIO_EXPORT Project: public QObject {
Q_OBJECT
@@ -50,13 +61,29 @@ class NOSTALGIASTUDIO_EXPORT Project: public QObject {
bool exists(QString path) const;
void subscribe(ProjectEvent e, QObject *tgt, const char *slot) const;
template<typename Functor>
void subscribe(ProjectEvent e, QObject *tgt, Functor &&slot) const;
private:
void writeBuff(QString path, uint8_t *buff, size_t buffLen) const;
std::vector<uint8_t> loadBuff(QString path) const;
void procDir(QStringList &paths, QString path) const;
QStringList listFiles(QString path = "") const;
signals:
void updated(QString path) const;
void fileEvent(ProjectEvent, QString path) const;
void fileAdded(QString) const;
// FileRecognized is triggered for all matching files upon a new
// subscription to a section of the project and upon the addition of a
// file.
void fileRecognized(QString) const;
void fileDeleted(QString) const;
void fileUpdated(QString) const;
};
@@ -68,7 +95,7 @@ void Project::writeObj(QString path, T *obj) const {
oxThrowError(ox::writeMC(buff.data(), buff.size(), obj, &mcSize));
// write to FS
writeBuff(path, buff.data(), mcSize);
emit updated(path);
emit fileUpdated(path);
}
template<typename T>
@@ -79,4 +106,27 @@ std::unique_ptr<T> Project::loadObj(QString path) const {
return obj;
}
template<typename Functor>
void Project::subscribe(ProjectEvent e, QObject *tgt, Functor &&slot) const {
switch (e) {
case ProjectEvent::FileAdded:
connect(this, &Project::fileAdded, tgt, (slot));
break;
case ProjectEvent::FileRecognized:
{
for (auto f : listFiles()) {
slot(f);
}
connect(this, &Project::fileRecognized, tgt, (slot));
break;
}
case ProjectEvent::FileDeleted:
connect(this, &Project::fileDeleted, tgt, (slot));
break;
case ProjectEvent::FileUpdated:
connect(this, &Project::fileUpdated, tgt, (slot));
break;
}
}
}