pollymc/launcher/ui/widgets/PageContainer.cpp
2021-11-22 03:55:16 +01:00

241 lines
6.8 KiB
C++

/* 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.
*/
#include "PageContainer.h"
#include "PageContainer_p.h"
#include <QStackedLayout>
#include <QPushButton>
#include <QSortFilterProxyModel>
#include <QUrl>
#include <QStyledItemDelegate>
#include <QListView>
#include <QLineEdit>
#include <QLabel>
#include <QDialogButtonBox>
#include <QGridLayout>
#include "settings/SettingsObject.h"
#include "ui/widgets/IconLabel.h"
#include "DesktopServices.h"
#include "Application.h"
class PageEntryFilterModel : public QSortFilterProxyModel
{
public:
explicit PageEntryFilterModel(QObject *parent = 0) : QSortFilterProxyModel(parent)
{
}
protected:
bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const
{
const QString pattern = filterRegExp().pattern();
const auto model = static_cast<PageModel *>(sourceModel());
const auto page = model->pages().at(sourceRow);
if (!page->shouldDisplay())
return false;
// Regular contents check, then check page-filter.
return QSortFilterProxyModel::filterAcceptsRow(sourceRow, sourceParent);
}
};
PageContainer::PageContainer(BasePageProvider *pageProvider, QString defaultId,
QWidget *parent)
: QWidget(parent)
{
createUI();
m_model = new PageModel(this);
m_proxyModel = new PageEntryFilterModel(this);
int counter = 0;
auto pages = pageProvider->getPages();
for (auto page : pages)
{
page->stackIndex = m_pageStack->addWidget(dynamic_cast<QWidget *>(page));
page->listIndex = counter;
page->setParentContainer(this);
counter++;
}
m_model->setPages(pages);
m_proxyModel->setSourceModel(m_model);
m_proxyModel->setFilterCaseSensitivity(Qt::CaseInsensitive);
m_pageList->setIconSize(QSize(pageIconSize, pageIconSize));
m_pageList->setSelectionMode(QAbstractItemView::SingleSelection);
m_pageList->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
m_pageList->setSizeAdjustPolicy(QAbstractScrollArea::AdjustToContents);
m_pageList->setModel(m_proxyModel);
connect(m_pageList->selectionModel(), SIGNAL(currentRowChanged(QModelIndex, QModelIndex)),
this, SLOT(currentChanged(QModelIndex)));
m_pageStack->setStackingMode(QStackedLayout::StackOne);
m_pageList->setFocus();
selectPage(defaultId);
}
bool PageContainer::selectPage(QString pageId)
{
// now find what we want to have selected...
auto page = m_model->findPageEntryById(pageId);
QModelIndex index;
if (page)
{
index = m_proxyModel->mapFromSource(m_model->index(page->listIndex));
}
if(!index.isValid())
{
index = m_proxyModel->index(0, 0);
}
if (index.isValid())
{
m_pageList->setCurrentIndex(index);
return true;
}
return false;
}
void PageContainer::refreshContainer()
{
m_proxyModel->invalidate();
if(!m_currentPage->shouldDisplay())
{
auto index = m_proxyModel->index(0, 0);
if(index.isValid())
{
m_pageList->setCurrentIndex(index);
}
else
{
// FIXME: unhandled corner case: what to do when there's no page to select?
}
}
}
void PageContainer::createUI()
{
m_pageStack = new QStackedLayout;
m_pageList = new PageView;
m_header = new QLabel();
m_iconHeader = new IconLabel(this, QIcon(), QSize(24, 24));
QFont headerLabelFont = m_header->font();
headerLabelFont.setBold(true);
const int pointSize = headerLabelFont.pointSize();
if (pointSize > 0)
headerLabelFont.setPointSize(pointSize + 2);
m_header->setFont(headerLabelFont);
QHBoxLayout *headerHLayout = new QHBoxLayout;
const int leftMargin = APPLICATION->style()->pixelMetric(QStyle::PM_LayoutLeftMargin);
headerHLayout->addSpacerItem(new QSpacerItem(leftMargin, 0, QSizePolicy::Fixed, QSizePolicy::Ignored));
headerHLayout->addWidget(m_header);
headerHLayout->addSpacerItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Ignored));
headerHLayout->addWidget(m_iconHeader);
const int rightMargin = APPLICATION->style()->pixelMetric(QStyle::PM_LayoutRightMargin);
headerHLayout->addSpacerItem(new QSpacerItem(rightMargin, 0, QSizePolicy::Fixed, QSizePolicy::Ignored));
headerHLayout->setContentsMargins(0, 6, 0, 0);
m_pageStack->setMargin(0);
m_pageStack->addWidget(new QWidget(this));
m_layout = new QGridLayout;
m_layout->addLayout(headerHLayout, 0, 1, 1, 1);
m_layout->addWidget(m_pageList, 0, 0, 2, 1);
m_layout->addLayout(m_pageStack, 1, 1, 1, 1);
m_layout->setColumnStretch(1, 4);
m_layout->setContentsMargins(0,0,0,6);
setLayout(m_layout);
}
void PageContainer::addButtons(QWidget *buttons)
{
m_layout->addWidget(buttons, 2, 0, 1, 2);
}
void PageContainer::addButtons(QLayout *buttons)
{
m_layout->addLayout(buttons, 2, 0, 1, 2);
}
void PageContainer::showPage(int row)
{
if (m_currentPage)
{
m_currentPage->closed();
}
if (row != -1)
{
m_currentPage = m_model->pages().at(row);
}
else
{
m_currentPage = nullptr;
}
if (m_currentPage)
{
m_pageStack->setCurrentIndex(m_currentPage->stackIndex);
m_header->setText(m_currentPage->displayName());
m_iconHeader->setIcon(m_currentPage->icon());
m_currentPage->opened();
}
else
{
m_pageStack->setCurrentIndex(0);
m_header->setText(QString());
m_iconHeader->setIcon(APPLICATION->getThemedIcon("bug"));
}
}
void PageContainer::help()
{
if (m_currentPage)
{
QString pageId = m_currentPage->helpPage();
if (pageId.isEmpty())
return;
DesktopServices::openUrl(QUrl("https://github.com/MultiMC/Launcher/wiki/" + pageId));
}
}
void PageContainer::currentChanged(const QModelIndex &current)
{
showPage(current.isValid() ? m_proxyModel->mapToSource(current).row() : -1);
}
bool PageContainer::prepareToClose()
{
if(!saveAll())
{
return false;
}
if (m_currentPage)
{
m_currentPage->closed();
}
return true;
}
bool PageContainer::saveAll()
{
for (auto page : m_model->pages())
{
if (!page->apply())
return false;
}
return true;
}