Separate page dialog into a page container and a dialog.
This commit is contained in:
Petr Mrázek
190
gui/widgets/PageContainer.cpp
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190
gui/widgets/PageContainer.cpp
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/* Copyright 2014 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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#include "PageContainer.h"
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#include "gui/Platform.h"
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#include <QStackedLayout>
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#include <QPushButton>
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#include <QSortFilterProxyModel>
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#include <QUrl>
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#include "MultiMC.h"
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#include <QStyledItemDelegate>
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#include <QListView>
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#include <QLineEdit>
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#include <QLabel>
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#include <QDialogButtonBox>
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#include <QGridLayout>
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#include <QDesktopServices>
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#include <settingsobject.h>
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#include "PageContainer_p.h"
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#include <gui/widgets/IconLabel.h>
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class PageEntryFilterModel : public QSortFilterProxyModel
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{
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public:
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explicit PageEntryFilterModel(QObject *parent = 0) : QSortFilterProxyModel(parent)
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{
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}
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protected:
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bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const
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{
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const QString pattern = filterRegExp().pattern();
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const auto model = static_cast<PageModel *>(sourceModel());
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const auto page = model->pages().at(sourceRow);
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if(!page->shouldDisplay())
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return false;
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// Regular contents check, then check page-filter.
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return QSortFilterProxyModel::filterAcceptsRow(sourceRow, sourceParent);
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}
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};
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PageContainer::PageContainer(BasePageProviderPtr pageProvider, QString defaultId, QWidget *parent) : QWidget(parent)
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{
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createUI();
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m_model = new PageModel(this);
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m_proxyModel = new PageEntryFilterModel(this);
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int firstIndex = -1;
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int counter = 0;
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auto pages = pageProvider->getPages();
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for(auto page: pages)
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{
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page->stackIndex = m_pageStack->addWidget(dynamic_cast<QWidget *>(page));
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page->listIndex = counter;
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counter++;
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if(firstIndex == -1)
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{
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firstIndex = page->stackIndex;
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}
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}
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m_model->setPages(pages);
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m_proxyModel->setSourceModel(m_model);
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m_proxyModel->setFilterCaseSensitivity(Qt::CaseInsensitive);
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m_pageList->setIconSize(QSize(pageIconSize, pageIconSize));
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m_pageList->setSelectionMode(QAbstractItemView::SingleSelection);
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m_pageList->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
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m_pageList->setModel(m_proxyModel);
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connect(m_pageList->selectionModel(), SIGNAL(currentRowChanged(QModelIndex,QModelIndex)),
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this, SLOT(currentChanged(QModelIndex)));
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m_pageStack->setStackingMode(QStackedLayout::StackOne);
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m_pageList->setFocus();
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// now find what we want to have selected...
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auto page = m_model->findPageEntryById(defaultId);
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QModelIndex index;
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if(page)
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{
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index = m_proxyModel->mapFromSource(m_model->index(page->listIndex));
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}
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else
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{
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index = m_proxyModel->index(0,0);
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}
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if(index.isValid())
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m_pageList->setCurrentIndex(index);
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}
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void PageContainer::createUI()
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{
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m_pageStack = new QStackedLayout;
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m_filter = new QLineEdit;
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m_pageList = new PageView;
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m_header = new QLabel();
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m_iconHeader = new IconLabel(this, QIcon(), QSize(24,24));
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QFont headerLabelFont = m_header->font();
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headerLabelFont.setBold(true);
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const int pointSize = headerLabelFont.pointSize();
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if (pointSize > 0)
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headerLabelFont.setPointSize(pointSize + 2);
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m_header->setFont(headerLabelFont);
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QHBoxLayout *headerHLayout = new QHBoxLayout;
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const int leftMargin = MMC->style()->pixelMetric(QStyle::PM_LayoutLeftMargin);
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headerHLayout->addSpacerItem(
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new QSpacerItem(leftMargin, 0, QSizePolicy::Fixed, QSizePolicy::Ignored));
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headerHLayout->addWidget(m_header);
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headerHLayout->addSpacerItem(
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new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Ignored));
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headerHLayout->addWidget(m_iconHeader);
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m_pageStack->setMargin(0);
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m_pageStack->addWidget(new QWidget(this));
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m_layout = new QGridLayout;
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m_layout->addLayout(headerHLayout, 0, 1, 1, 1);
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m_layout->addWidget(m_pageList, 0, 0, 2, 1);
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m_layout->addLayout(m_pageStack, 1, 1, 1, 1);
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m_layout->setColumnStretch(1, 4);
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setLayout(m_layout);
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}
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void PageContainer::addButtons(QWidget *buttons)
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{
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m_layout->addWidget(buttons, 2, 0, 1, 2);
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}
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void PageContainer::showPage(int row)
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{
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if(row != -1)
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{
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m_currentPage = m_model->pages().at(row);
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}
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else
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{
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m_currentPage = nullptr;
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}
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if(m_currentPage)
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{
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m_pageStack->setCurrentIndex(m_currentPage->stackIndex);
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m_header->setText(m_currentPage->displayName());
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m_iconHeader->setIcon(m_currentPage->icon());
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m_currentPage->opened();
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}
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else
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{
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m_pageStack->setCurrentIndex(0);
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m_header->setText(QString());
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m_iconHeader->setIcon(QIcon::fromTheme("bug"));
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}
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}
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void PageContainer::help()
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{
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if(m_currentPage)
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{
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QString pageId = m_currentPage->helpPage();
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if(pageId.isEmpty())
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return;
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QDesktopServices::openUrl(QUrl("https://github.com/MultiMC/MultiMC5/wiki/" + pageId));
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}
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}
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void PageContainer::currentChanged(const QModelIndex ¤t)
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{
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showPage(current.isValid() ? m_proxyModel->mapToSource(current).row() : -1);
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}
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bool PageContainer::requestClose(QCloseEvent * event)
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{
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for(auto page: m_model->pages())
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{
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if(!page->apply())
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return false;
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}
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return true;
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}
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59
gui/widgets/PageContainer.h
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59
gui/widgets/PageContainer.h
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@ -0,0 +1,59 @@
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/* Copyright 2014 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 <QWidget>
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#include <QModelIndex>
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#include <gui/pages/BasePageProvider.h>
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class IconLabel;
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class QSortFilterProxyModel;
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class PageModel;
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class QLabel;
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class QListView;
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class QLineEdit;
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class QStackedLayout;
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class QGridLayout;
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class PageContainer : public QWidget
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{
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Q_OBJECT
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public:
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explicit PageContainer(BasePageProviderPtr pageProvider, QString defaultId = QString(),
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QWidget *parent = 0);
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virtual ~PageContainer() {};
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void addButtons(QWidget * buttons);
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bool requestClose(QCloseEvent *event);
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private:
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void createUI();
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private
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slots:
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void currentChanged(const QModelIndex ¤t);
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void showPage(int row);
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void help();
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private:
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BasePage * m_currentPage;
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QSortFilterProxyModel *m_proxyModel;
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PageModel *m_model;
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QStackedLayout *m_pageStack;
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QLineEdit *m_filter;
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QListView *m_pageList;
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QLabel *m_header;
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IconLabel *m_iconHeader;
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QGridLayout *m_layout;
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};
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106
gui/widgets/PageContainer_p.h
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106
gui/widgets/PageContainer_p.h
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@ -0,0 +1,106 @@
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#pragma once
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#include <QListView>
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#include <QStyledItemDelegate>
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#include <QEvent>
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#include <QScrollBar>
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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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{
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public:
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PageViewDelegate(QObject *parent) : QStyledItemDelegate(parent)
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{
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}
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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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{
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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
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{
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return parent.isValid() ? 0 : m_pages.size();
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}
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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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{
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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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{
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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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return icon;
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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
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{
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return m_pages;
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}
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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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{
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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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{
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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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}
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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() &&
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(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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