PrismLauncher/launcher/ui/instanceview/InstanceView.h
Sefa Eyeoglu 1d638e018a
chore: update license headers
Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>
2023-08-04 19:41:47 +02:00

162 lines
6.0 KiB
C++

// SPDX-License-Identifier: GPL-3.0-only
/*
* Prism Launcher - Minecraft Launcher
* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2013-2021 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <QCache>
#include <QLineEdit>
#include <QListView>
#include <QScrollBar>
#include <functional>
#include "VisualGroup.h"
struct InstanceViewRoles {
enum { GroupRole = Qt::UserRole, ProgressValueRole, ProgressMaximumRole };
};
class InstanceView : public QAbstractItemView {
Q_OBJECT
public:
InstanceView(QWidget* parent = 0);
~InstanceView();
void setModel(QAbstractItemModel* model) override;
using visibilityFunction = std::function<bool(const QString&)>;
void setSourceOfGroupCollapseStatus(visibilityFunction f) { fVisibility = f; }
/// return geometry rectangle occupied by the specified model item
QRect geometryRect(const QModelIndex& index) const;
/// return visual rectangle occupied by the specified model item
virtual QRect visualRect(const QModelIndex& index) const override;
/// get the model index at the specified visual point
virtual QModelIndex indexAt(const QPoint& point) const override;
QString groupNameAt(const QPoint& point);
void setSelection(const QRect& rect, const QItemSelectionModel::SelectionFlags commands) override;
virtual int horizontalOffset() const override;
virtual int verticalOffset() const override;
virtual void scrollContentsBy(int dx, int dy) override;
virtual void scrollTo(const QModelIndex& index, ScrollHint hint = EnsureVisible) override;
virtual QModelIndex moveCursor(CursorAction cursorAction, Qt::KeyboardModifiers modifiers) override;
virtual QRegion visualRegionForSelection(const QItemSelection& selection) const override;
int spacing() const { return m_spacing; };
void setPaintCat(bool visible);
public slots:
virtual void updateGeometries() override;
protected slots:
virtual void dataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight, const QVector<int>& roles) override;
virtual void rowsInserted(const QModelIndex& parent, int start, int end) override;
virtual void rowsAboutToBeRemoved(const QModelIndex& parent, int start, int end) override;
void modelReset();
void rowsRemoved();
void currentChanged(const QModelIndex& current, const QModelIndex& previous) override;
signals:
void droppedURLs(QList<QUrl> urls);
void groupStateChanged(QString group, bool collapsed);
protected:
bool isIndexHidden(const QModelIndex& index) const override;
void mousePressEvent(QMouseEvent* event) override;
void mouseMoveEvent(QMouseEvent* event) override;
void mouseReleaseEvent(QMouseEvent* event) override;
void mouseDoubleClickEvent(QMouseEvent* event) override;
void paintEvent(QPaintEvent* event) override;
void resizeEvent(QResizeEvent* event) override;
void dragEnterEvent(QDragEnterEvent* event) override;
void dragMoveEvent(QDragMoveEvent* event) override;
void dragLeaveEvent(QDragLeaveEvent* event) override;
void dropEvent(QDropEvent* event) override;
void startDrag(Qt::DropActions supportedActions) override;
void updateScrollbar();
private:
friend struct VisualGroup;
QList<VisualGroup*> m_groups;
visibilityFunction fVisibility;
// geometry
int m_leftMargin = 5;
int m_rightMargin = 5;
int m_bottomMargin = 5;
int m_categoryMargin = 5;
int m_spacing = 5;
int m_itemWidth = 100;
int m_currentItemsPerRow = -1;
int m_currentCursorColumn = -1;
mutable QCache<int, QRect> geometryCache;
bool m_catVisible = false;
QPixmap m_catPixmap;
// point where the currently active mouse action started in geometry coordinates
QPoint m_pressedPosition;
QPersistentModelIndex m_pressedIndex;
bool m_pressedAlreadySelected;
VisualGroup* m_pressedCategory;
QItemSelectionModel::SelectionFlag m_ctrlDragSelectionFlag;
QPoint m_lastDragPosition;
VisualGroup* category(const QModelIndex& index) const;
VisualGroup* category(const QString& cat) const;
VisualGroup* categoryAt(const QPoint& pos, VisualGroup::HitResults& result) const;
int itemsPerRow() const { return m_currentItemsPerRow; };
int contentWidth() const;
private: /* methods */
int itemWidth() const;
int calculateItemsPerRow() const;
int verticalScrollToValue(const QModelIndex& index, const QRect& rect, QListView::ScrollHint hint) const;
QPixmap renderToPixmap(const QModelIndexList& indices, QRect* r) const;
QList<std::pair<QRect, QModelIndex>> draggablePaintPairs(const QModelIndexList& indices, QRect* r) const;
bool isDragEventAccepted(QDropEvent* event);
std::pair<VisualGroup*, VisualGroup::HitResults> rowDropPos(const QPoint& pos);
QPoint offset() const;
};