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feat: implement soft reloading

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outfoxxed 2024-02-01 01:29:45 -08:00
parent ba1e18a125
commit 362789fc46
Signed by untrusted user: outfoxxed
GPG key ID: 4C88A185FB89301E
11 changed files with 385 additions and 21 deletions
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16
src/cpp/variants.hpp
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@ -2,22 +2,26 @@
#include <qcontainerfwd.h>
#include <qlist.h>
#include <qlogging.h>
#include <qmap.h>
#include <qobject.h>
#include <qqmlcomponent.h>
#include <qqmlparserstatus.h>
#include "scavenge.hpp"
// extremely inefficient map
template <typename K, typename V>
class AwfulMap {
public:
[[nodiscard]] bool contains(const K& key) const;
[[nodiscard]] V* get(const K& key);
void insert(K key, V value); // assumes no duplicates
bool remove(const K& key); // returns true if anything was removed
QList<QPair<K, V>> values;
};
class Variants: public QObject, public QQmlParserStatus {
class Variants: public Scavenger, virtual public Scavengeable {
Q_OBJECT;
Q_PROPERTY(QQmlComponent* component MEMBER mComponent);
Q_PROPERTY(QVariantList variants MEMBER mVariants WRITE setVariants);
@ -25,9 +29,11 @@ class Variants: public QObject, public QQmlParserStatus {
QML_ELEMENT;
public:
explicit Variants(QObject* parent = nullptr): QObject(parent) {}
explicit Variants(QObject* parent = nullptr): Scavenger(parent) {}
void earlyInit(QObject* old) override;
QObject* scavengeTargetFor(QObject* child) override;
void classBegin() override {};
void componentComplete() override;
private:
@ -37,4 +43,8 @@ private:
QQmlComponent* mComponent = nullptr;
QVariantList mVariants;
AwfulMap<QVariantMap, QObject*> instances;
// pointers may die post componentComplete.
AwfulMap<QVariantMap, QObject*> scavengeableInstances;
QVariantMap* activeScavengeVariant = nullptr;
};