forked from quickshell/quickshell
57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
#pragma once
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#include <qcontainerfwd.h>
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#include <qlist.h>
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#include <qlogging.h>
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#include <qmap.h>
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#include <qobject.h>
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#include <qqmlcomponent.h>
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#include <qqmlparserstatus.h>
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#include <qtmetamacros.h>
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#include "reload.hpp"
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// extremely inefficient map
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template <typename K, typename V>
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class AwfulMap {
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public:
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[[nodiscard]] bool contains(const K& key) const;
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[[nodiscard]] V* get(const K& key);
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void insert(K key, V value); // assumes no duplicates
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bool remove(const K& key); // returns true if anything was removed
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QList<QPair<K, V>> values;
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};
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///! Creates instances of a component based on a given set of variants.
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/// Creates and destroys instances of the given component when the given property changes.
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///
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/// See [Quickshell.screens] for an example of using `Variants` to create copies of a window per
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/// screen.
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///
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/// [Quickshell.screens]: ../quickshell#prop.screens
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class Variants: public Reloadable {
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Q_OBJECT;
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/// The component to create instances of
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Q_PROPERTY(QQmlComponent* component MEMBER mComponent);
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/// The list of sets of properties to create instances with.
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/// Each set creates an instance of the component, which are updated when the input sets update.
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Q_PROPERTY(QList<QVariant> variants MEMBER mVariants WRITE setVariants);
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Q_CLASSINFO("DefaultProperty", "component");
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QML_ELEMENT;
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public:
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explicit Variants(QObject* parent = nullptr): Reloadable(parent) {}
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void onReload(QObject* oldInstance) override;
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void componentComplete() override;
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private:
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void setVariants(QVariantList variants);
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void updateVariants();
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QQmlComponent* mComponent = nullptr;
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QVariantList mVariants;
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AwfulMap<QVariantMap, QObject*> instances;
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};
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