111 lines
3.4 KiB
C++
111 lines
3.4 KiB
C++
/* 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 <QEvent>
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#include <QListView>
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#include <QScrollBar>
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#include <QStyledItemDelegate>
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class BasePage;
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const int pageIconSize = 24;
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class PageViewDelegate : public QStyledItemDelegate {
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public:
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PageViewDelegate(QObject* parent) : QStyledItemDelegate(parent) {}
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QSize sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const
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{
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QSize size = QStyledItemDelegate::sizeHint(option, index);
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size.setHeight(qMax(size.height(), 32));
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return size;
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}
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};
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class PageModel : public QAbstractListModel {
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public:
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PageModel(QObject* parent = 0) : QAbstractListModel(parent)
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{
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QPixmap empty(pageIconSize, pageIconSize);
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empty.fill(Qt::transparent);
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m_emptyIcon = QIcon(empty);
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}
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virtual ~PageModel() {}
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int rowCount(const QModelIndex& parent = QModelIndex()) const { return parent.isValid() ? 0 : m_pages.size(); }
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QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const
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{
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switch (role) {
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case Qt::DisplayRole:
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return m_pages.at(index.row())->displayName();
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case Qt::DecorationRole: {
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QIcon icon = m_pages.at(index.row())->icon();
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if (icon.isNull())
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icon = m_emptyIcon;
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// HACK: fixes icon stretching on windows. TODO: report Qt bug for this
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return QIcon(icon.pixmap(QSize(48, 48)));
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}
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}
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return QVariant();
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}
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void setPages(const QList<BasePage*>& pages)
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{
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beginResetModel();
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m_pages = pages;
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endResetModel();
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}
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const QList<BasePage*>& pages() const { return m_pages; }
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BasePage* findPageEntryById(QString id)
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{
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for (auto page : m_pages) {
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if (page->id() == id)
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return page;
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}
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return nullptr;
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}
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QList<BasePage*> m_pages;
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QIcon m_emptyIcon;
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};
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class PageView : public QListView {
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public:
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PageView(QWidget* parent = 0) : QListView(parent)
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{
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setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Expanding);
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setItemDelegate(new PageViewDelegate(this));
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setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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// Adjust margins when using Breeze theme
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setProperty("_kde_side_panel_view", true);
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}
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virtual QSize sizeHint() const
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{
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int width = sizeHintForColumn(0) + frameWidth() * 2 + 5;
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if (verticalScrollBar()->isVisible())
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width += verticalScrollBar()->width();
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return QSize(width, 100);
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}
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virtual bool eventFilter(QObject* obj, QEvent* event)
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{
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if (obj == verticalScrollBar() && (event->type() == QEvent::Show || event->type() == QEvent::Hide))
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updateGeometry();
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return QListView::eventFilter(obj, event);
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}
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};
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