forked from quickshell/quickshell
85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
#pragma once
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#include <qabstractitemmodel.h>
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#include <qobject.h>
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#include <qqmlcomponent.h>
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#include <qqmlintegration.h>
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#include <qtmetamacros.h>
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#include <qtypes.h>
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#include <qvariant.h>
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#include "model.hpp"
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///! A Repeater / for loop / map for non Item derived objects.
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/// > [!ERROR] Removed in favor of @@QtQml.Models.Instantiator
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///
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/// The ObjectRepeater creates instances of the provided delegate for every entry in the
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/// given model, similarly to a @@QtQuick.Repeater but for non visual types.
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class ObjectRepeater: public ObjectModel<QObject> {
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Q_OBJECT;
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/// The model providing data to the ObjectRepeater.
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///
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/// Currently accepted model types are `list<T>` lists, javascript arrays,
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/// and [QAbstractListModel] derived models, though only one column will be repeated
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/// from the latter.
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///
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/// Note: @@ObjectModel is a [QAbstractListModel] with a single column.
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///
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/// [QAbstractListModel]: https://doc.qt.io/qt-6/qabstractlistmodel.html
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Q_PROPERTY(QVariant model READ model WRITE setModel NOTIFY modelChanged);
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/// The delegate component to repeat.
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///
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/// The delegate is given the same properties as in a Repeater, except `index` which
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/// is not currently implemented.
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///
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/// If the model is a `list<T>` or javascript array, a `modelData` property will be
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/// exposed containing the entry from the model. If the model is a [QAbstractListModel],
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/// the roles from the model will be exposed.
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///
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/// Note: @@ObjectModel has a single role named `modelData` for compatibility with normal lists.
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///
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/// [QAbstractListModel]: https://doc.qt.io/qt-6/qabstractlistmodel.html
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Q_PROPERTY(QQmlComponent* delegate READ delegate WRITE setDelegate NOTIFY delegateChanged);
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Q_CLASSINFO("DefaultProperty", "delegate");
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QML_ELEMENT;
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QML_UNCREATABLE("ObjectRepeater has been removed in favor of QtQml.Models.Instantiator.");
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public:
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explicit ObjectRepeater(QObject* parent = nullptr): ObjectModel(parent) {}
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[[nodiscard]] QVariant model() const;
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void setModel(QVariant model);
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[[nodiscard]] QQmlComponent* delegate() const;
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void setDelegate(QQmlComponent* delegate);
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signals:
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void modelChanged();
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void delegateChanged();
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private slots:
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void onDelegateDestroyed();
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void onModelDestroyed();
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void onModelRowsInserted(const QModelIndex& parent, int first, int last);
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void onModelRowsRemoved(const QModelIndex& parent, int first, int last);
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void onModelRowsMoved(
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const QModelIndex& sourceParent,
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int sourceStart,
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int sourceEnd,
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const QModelIndex& destParent,
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int destStart
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);
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void onModelAboutToBeReset();
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private:
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void reloadElements();
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void insertModelElements(QAbstractItemModel* model, int first, int last);
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void insertComponent(qsizetype index, const QVariantMap& properties);
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void removeComponent(qsizetype index);
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QVariant mModel;
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QAbstractItemModel* itemModel = nullptr;
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QQmlComponent* mDelegate = nullptr;
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};
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