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Diffstat (limited to 'meshmc/launcher/ui/instanceview/InstanceView.h')
| -rw-r--r-- | meshmc/launcher/ui/instanceview/InstanceView.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/meshmc/launcher/ui/instanceview/InstanceView.h b/meshmc/launcher/ui/instanceview/InstanceView.h new file mode 100644 index 0000000000..5eb3f78d98 --- /dev/null +++ b/meshmc/launcher/ui/instanceview/InstanceView.h @@ -0,0 +1,192 @@ +/* SPDX-FileCopyrightText: 2026 Project Tick + * SPDX-FileContributor: Project Tick + * SPDX-License-Identifier: GPL-3.0-or-later + * + * MeshMC - A Custom Launcher for Minecraft + * Copyright (C) 2026 Project Tick + * + * 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, either version 3 of the License, or + * (at your option) any later version. + * + * 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 <QListView> +#include <QLineEdit> +#include <QScrollBar> +#include <QCache> +#include "VisualGroup.h" +#include <functional> + +struct InstanceViewRoles { + enum { GroupRole = Qt::UserRole, ProgressValueRole, ProgressMaximumRole }; +}; + +class InstanceView : public QAbstractItemView +{ + Q_OBJECT + + public: + InstanceView(QWidget* parent = 0); + ~InstanceView(); + + QStyleOptionViewItem viewOptions() const + { + QStyleOptionViewItem option; + initViewItemOption(&option); + return option; + } + + 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; + }; + + 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; + + // 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<QPair<QRect, QModelIndex>> + draggablePaintPairs(const QModelIndexList& indices, QRect* r) const; + + bool isDragEventAccepted(QDropEvent* event); + + QPair<VisualGroup*, VisualGroup::HitResults> rowDropPos(const QPoint& pos); + + QPoint offset() const; +}; |