forked from qt-creator/qt-creator
QtSupport: Extract and move welcomepage helper to Core
Change-Id: I32798e8f3b5cdef6e256de542714be80cc8aa9e3 Reviewed-by: hjk <hjk@qt.io>
This commit is contained in:
Christian Stenger
198
src/plugins/coreplugin/welcomepagehelper.cpp
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198
src/plugins/coreplugin/welcomepagehelper.cpp
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/****************************************************************************
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**
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** Copyright (C) 2019 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#include "welcomepagehelper.h"
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#include <utils/fancylineedit.h>
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#include <utils/qtcassert.h>
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#include <utils/theme/theme.h>
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#include <QHeaderView>
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#include <QHoverEvent>
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#include <QLayout>
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namespace Core {
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using namespace Utils;
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SearchBox::SearchBox(QWidget *parent)
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: WelcomePageFrame(parent)
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{
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QPalette pal;
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pal.setColor(QPalette::Base, Utils::creatorTheme()->color(Theme::Welcome_BackgroundColor));
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m_lineEdit = new FancyLineEdit;
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m_lineEdit->setFiltering(true);
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m_lineEdit->setFrame(false);
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QFont f = font();
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f.setPixelSize(14);
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m_lineEdit->setFont(f);
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m_lineEdit->setAttribute(Qt::WA_MacShowFocusRect, false);
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m_lineEdit->setPalette(pal);
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auto box = new QHBoxLayout(this);
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box->setContentsMargins(10, 3, 3, 3);
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box->addWidget(m_lineEdit);
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}
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GridView::GridView(QWidget *parent)
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: QTableView(parent)
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{
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setVerticalScrollMode(ScrollPerPixel);
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horizontalHeader()->hide();
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horizontalHeader()->setDefaultSectionSize(GridProxyModel::GridItemWidth);
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verticalHeader()->hide();
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verticalHeader()->setDefaultSectionSize(GridProxyModel::GridItemHeight);
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setMouseTracking(true); // To enable hover.
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setSelectionMode(QAbstractItemView::NoSelection);
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setFrameShape(QFrame::NoFrame);
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setGridStyle(Qt::NoPen);
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QPalette pal;
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pal.setColor(QPalette::Base, Utils::creatorTheme()->color(Theme::Welcome_BackgroundColor));
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setPalette(pal); // Makes a difference on Mac.
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}
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void GridView::leaveEvent(QEvent *)
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{
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QHoverEvent hev(QEvent::HoverLeave, QPointF(), QPointF());
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viewportEvent(&hev); // Seemingly needed to kill the hover paint.
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}
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void GridProxyModel::setSourceModel(QAbstractItemModel *newModel)
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{
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if (m_sourceModel == newModel)
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return;
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if (m_sourceModel)
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disconnect(m_sourceModel, nullptr, this, nullptr);
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m_sourceModel = newModel;
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if (newModel) {
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connect(newModel, &QAbstractItemModel::layoutAboutToBeChanged, this, [this] {
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emit layoutAboutToBeChanged();
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});
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connect(newModel, &QAbstractItemModel::layoutChanged, this, [this] {
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emit layoutChanged();
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});
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connect(newModel, &QAbstractItemModel::modelAboutToBeReset, this, [this] {
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beginResetModel();
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});
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connect(newModel, &QAbstractItemModel::modelReset, this, [this] { endResetModel(); });
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connect(newModel, &QAbstractItemModel::rowsAboutToBeInserted, this, [this] {
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beginResetModel();
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});
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connect(newModel, &QAbstractItemModel::rowsInserted, this, [this] { endResetModel(); });
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connect(newModel, &QAbstractItemModel::rowsAboutToBeRemoved, this, [this] {
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beginResetModel();
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});
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connect(newModel, &QAbstractItemModel::rowsRemoved, this, [this] { endResetModel(); });
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}
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}
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QAbstractItemModel *GridProxyModel::sourceModel() const
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{
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return m_sourceModel;
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}
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QVariant GridProxyModel::data(const QModelIndex &index, int role) const
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{
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const OptModelIndex sourceIndex = mapToSource(index);
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if (sourceIndex)
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return sourceModel()->data(*sourceIndex, role);
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return QVariant();
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}
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Qt::ItemFlags GridProxyModel::flags(const QModelIndex &index) const
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{
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const OptModelIndex sourceIndex = mapToSource(index);
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if (sourceIndex)
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return sourceModel()->flags(*sourceIndex);
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return Qt::ItemFlags();
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}
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bool GridProxyModel::hasChildren(const QModelIndex &parent) const
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{
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const OptModelIndex sourceParent = mapToSource(parent);
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if (sourceParent)
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return sourceModel()->hasChildren(*sourceParent);
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return false;
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}
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void GridProxyModel::setColumnCount(int columnCount)
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{
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if (columnCount == m_columnCount)
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return;
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QTC_ASSERT(columnCount >= 1, columnCount = 1);
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m_columnCount = columnCount;
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emit layoutChanged();
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}
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int GridProxyModel::rowCount(const QModelIndex &parent) const
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{
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if (parent.isValid())
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return 0;
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int rows = sourceModel()->rowCount(QModelIndex());
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return (rows + m_columnCount - 1) / m_columnCount;
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}
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int GridProxyModel::columnCount(const QModelIndex &parent) const
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{
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if (parent.isValid())
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return 0;
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return m_columnCount;
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}
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QModelIndex GridProxyModel::index(int row, int column, const QModelIndex &) const
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{
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return createIndex(row, column, nullptr);
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}
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QModelIndex GridProxyModel::parent(const QModelIndex &) const
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{
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return QModelIndex();
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}
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// The items at the lower right of the grid might not correspond to source items, if
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// source's row count is not N*columnCount
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OptModelIndex GridProxyModel::mapToSource(const QModelIndex &proxyIndex) const
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{
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if (!proxyIndex.isValid())
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return QModelIndex();
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int sourceRow = proxyIndex.row() * m_columnCount + proxyIndex.column();
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if (sourceRow < sourceModel()->rowCount())
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return sourceModel()->index(sourceRow, 0);
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return OptModelIndex();
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}
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QModelIndex GridProxyModel::mapFromSource(const QModelIndex &sourceIndex) const
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{
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if (!sourceIndex.isValid())
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return QModelIndex();
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QTC_CHECK(sourceIndex.column() == 0);
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int proxyRow = sourceIndex.row() / m_columnCount;
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int proxyColumn = sourceIndex.row() % m_columnCount;
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return index(proxyRow, proxyColumn, QModelIndex());
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}
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} // namespace Core
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