112 lines
3.5 KiB
C++
112 lines
3.5 KiB
C++
// SPDX-License-Identifier: GPL-3.0-only
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/*
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* Prism Launcher - Minecraft Launcher
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* Copyright (C) 2023 Tayou <git@tayou.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* This file incorporates work covered by the following copyright and
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* permission notice:
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*
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* Copyright 2013-2021 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <QRect>
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#include <QString>
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#include <QStyleOption>
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#include <QVector>
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class InstanceView;
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class QPainter;
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class QModelIndex;
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struct VisualRow {
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QList<QModelIndex> items;
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int height = 0;
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int top = 0;
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inline int size() const { return items.size(); }
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inline QModelIndex& operator[](int i) { return items[i]; }
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};
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struct VisualGroup {
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/* constructors */
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VisualGroup(QString text, InstanceView* view);
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explicit VisualGroup(const VisualGroup* other);
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/* data */
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InstanceView* view = nullptr;
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QString text;
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bool collapsed = false;
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QVector<VisualRow> rows;
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int firstItemIndex = 0;
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int m_verticalPosition = 0;
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/* logic */
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/// update the internal list of items and flow them into the rows.
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void update();
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/// draw the header at y-position.
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void drawHeader(QPainter* painter, const QStyleOptionViewItem& option) const;
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/// height of the group, in total. includes a small bit of padding.
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int totalHeight() const;
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/// height of the group header, in pixels
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static int headerHeight();
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/// height of the group content, in pixels
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int contentHeight() const;
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/// the number of visual rows this group has
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int numRows() const;
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/// actually calculate the above value
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int calculateNumRows() const;
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/// the height at which this group starts, in pixels
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int verticalPosition() const;
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/// relative geometry - top of the row of the given item
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int rowTopOf(const QModelIndex& index) const;
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/// height of the row of the given item
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int rowHeightOf(const QModelIndex& index) const;
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/// x/y position of the given item inside the group (in items!)
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QPair<int, int> positionOf(const QModelIndex& index) const;
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enum HitResult { NoHit = 0x0, TextHit = 0x1, CheckboxHit = 0x2, HeaderHit = 0x4, BodyHit = 0x8 };
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Q_DECLARE_FLAGS(HitResults, HitResult)
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/// shoot! BANG! what did we hit?
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HitResults hitScan(const QPoint& pos) const;
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QList<QModelIndex> items() const;
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS(VisualGroup::HitResults)
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