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https://invent.kde.org/marcoa/shift-shell.git
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3550caa580
Currently delegates do not get deleted when removed from models. Due to the complexity of drag state and other objects, we can't simply delete the delegate when removed from the model because they might still be involved in animations or other state at the time of removal. Use smart pointers to have the delegate objects deleted instead. QML unfortunately doesn't support QSharedPointer, so we need to expose raw pointers to it.
111 lines
3.5 KiB
C++
111 lines
3.5 KiB
C++
// SPDX-FileCopyrightText: 2023 Devin Lin <devin@kde.org>
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <QObject>
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#include "folioapplication.h"
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#include "folioapplicationfolder.h"
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#include "foliowidget.h"
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#include "homescreen.h"
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class HomeScreen;
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class FolioApplication;
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class FolioApplicationFolder;
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class FolioWidget;
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class FolioDelegate : public QObject, public std::enable_shared_from_this<FolioDelegate>
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{
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Q_OBJECT
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Q_PROPERTY(FolioDelegate::Type type READ type CONSTANT)
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Q_PROPERTY(FolioApplication *application READ applicationRaw CONSTANT)
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Q_PROPERTY(FolioApplicationFolder *folder READ folderRaw CONSTANT)
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Q_PROPERTY(FolioWidget *widget READ widgetRaw CONSTANT)
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public:
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typedef std::shared_ptr<FolioDelegate> Ptr;
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enum Type {
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None,
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Application,
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Folder,
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Widget,
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};
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Q_ENUM(Type)
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FolioDelegate(HomeScreen *parent);
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FolioDelegate(std::shared_ptr<FolioApplication> application, HomeScreen *parent);
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FolioDelegate(std::shared_ptr<FolioApplicationFolder> folder, HomeScreen *parent);
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FolioDelegate(std::shared_ptr<FolioWidget> widget, HomeScreen *parent);
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static std::shared_ptr<FolioDelegate> fromJson(QJsonObject &obj, HomeScreen *parent);
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virtual QJsonObject toJson() const;
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FolioDelegate::Type type() const;
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std::shared_ptr<FolioApplication> application();
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FolioApplication *applicationRaw();
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std::shared_ptr<FolioApplicationFolder> folder();
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FolioApplicationFolder *folderRaw();
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std::shared_ptr<FolioWidget> widget();
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FolioWidget *widgetRaw();
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protected:
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FolioDelegate::Type m_type;
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std::shared_ptr<FolioApplication> m_application{nullptr};
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std::shared_ptr<FolioApplicationFolder> m_folder{nullptr};
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std::shared_ptr<FolioWidget> m_widget{nullptr};
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};
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class FolioPageDelegate : public FolioDelegate
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{
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Q_OBJECT
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Q_PROPERTY(int row READ row NOTIFY rowChanged)
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Q_PROPERTY(int column READ column NOTIFY columnChanged)
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QML_UNCREATABLE("")
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public:
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typedef std::shared_ptr<FolioPageDelegate> Ptr;
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FolioPageDelegate(int row = 0, int column = 0, HomeScreen *parent = nullptr);
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FolioPageDelegate(int row, int column, std::shared_ptr<FolioApplication> application, HomeScreen *parent);
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FolioPageDelegate(int row, int column, std::shared_ptr<FolioApplicationFolder> folder, HomeScreen *parent);
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FolioPageDelegate(int row, int column, std::shared_ptr<FolioWidget> widget, HomeScreen *parent);
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FolioPageDelegate(int row, int column, std::shared_ptr<FolioDelegate> delegate, HomeScreen *parent);
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static std::shared_ptr<FolioPageDelegate> fromJson(QJsonObject &obj, HomeScreen *parent);
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static int getTranslatedTopLeftRow(HomeScreen *homeScreen, int realRow, int realColumn, std::shared_ptr<FolioDelegate> fd);
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static int getTranslatedTopLeftColumn(HomeScreen *homeScreen, int realRow, int realColumn, std::shared_ptr<FolioDelegate> fd);
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static int getTranslatedRow(HomeScreen *homeScreen, int realRow, int realColumn);
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static int getTranslatedColumn(HomeScreen *homeScreen, int realRow, int realColumn);
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QJsonObject toJson() const override;
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int row();
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void setRow(int row);
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int column();
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void setColumn(int column);
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std::shared_ptr<FolioPageDelegate> sharedPageDelegate();
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Q_SIGNALS:
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void rowChanged();
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void columnChanged();
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private:
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void setRowOnly(int row);
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void setColumnOnly(int column);
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void init();
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HomeScreen *m_homeScreen{nullptr};
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int m_realRow;
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int m_realColumn;
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int m_row;
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int m_column;
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};
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