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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#pragma once
#include "core_global.h"
#include "iwelcomepage.h"
#include <QElapsedTimer>
#include <QListView>
#include <QPointer>
#include <QSortFilterProxyModel>
#include <QStackedWidget>
#include <QStyledItemDelegate>
#include <functional>
#include <optional>
namespace Utils { class FancyLineEdit; }
namespace Core {
namespace WelcomePageHelpers {
constexpr int HSpacing = 20;
constexpr int ItemGap = 4;
CORE_EXPORT QFont brandFont();
CORE_EXPORT QWidget *panelBar(QWidget *parent = nullptr);
} // namespace WelcomePageHelpers
class CORE_EXPORT SearchBox : public WelcomePageFrame
{
public:
explicit SearchBox(QWidget *parent);
Utils::FancyLineEdit *m_lineEdit = nullptr;
};
class CORE_EXPORT GridView : public QListView
{
public:
explicit GridView(QWidget *parent);
protected:
void leaveEvent(QEvent *) final;
};
class CORE_EXPORT SectionGridView : public GridView
{
public:
explicit SectionGridView(QWidget *parent);
bool hasHeightForWidth() const;
int heightForWidth(int width) const;
};
using OptModelIndex = std::optional<QModelIndex>;
class CORE_EXPORT ListItem
{
public:
virtual ~ListItem() {}
QString name;
QString description;
QString imageUrl;
QStringList tags;
};
class CORE_EXPORT ListModel : public QAbstractListModel
{
public:
enum ListDataRole { ItemRole = Qt::UserRole, ItemImageRole, ItemTagsRole };
using PixmapFunction = std::function<QPixmap(QString)>;
explicit ListModel(QObject *parent);
~ListModel() override;
void appendItems(const QList<ListItem *> &items);
const QList<ListItem *> items() const;
void clear();
int rowCount(const QModelIndex &parent = QModelIndex()) const final;
QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
void setPixmapFunction(const PixmapFunction &fetchPixmapAndUpdatePixmapCache);
static const QSize defaultImageSize;
void setOwnsItems(bool owns);
private:
QList<ListItem *> m_items;
PixmapFunction m_fetchPixmapAndUpdatePixmapCache;
bool m_ownsItems = true;
};
class CORE_EXPORT ListModelFilter : public QSortFilterProxyModel
{
public:
ListModelFilter(ListModel *sourceModel, QObject *parent);
void setSearchString(const QString &arg);
ListModel *sourceListModel() const;
protected:
virtual bool leaveFilterAcceptsRowBeforeFiltering(const ListItem *item,
bool *earlyExitResult) const;
private:
bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const final;
void timerEvent(QTimerEvent *event) final;
void delayedUpdateFilter();
QString m_searchString;
QStringList m_filterTags;
QStringList m_filterStrings;
int m_timerId = 0;
};
class CORE_EXPORT ListItemDelegate : public QStyledItemDelegate
{
Q_OBJECT
public:
ListItemDelegate();
void paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index) const override;
static constexpr int GridItemGap = 3 * WelcomePageHelpers::ItemGap;
static constexpr int GridItemWidth = 240 + GridItemGap;
static constexpr int GridItemHeight = GridItemWidth;
static constexpr int TagsSeparatorY = GridItemHeight - GridItemGap - 52;
signals:
void tagClicked(const QString &tag);
protected:
bool editorEvent(QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option,
const QModelIndex &index) override;
QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override;
virtual void drawPixmapOverlay(const ListItem *item, QPainter *painter,
const QStyleOptionViewItem &option,
const QRect ¤tPixmapRect) const;
virtual void clickAction(const ListItem *item) const;
void goon();
const QColor backgroundPrimaryColor;
const QColor backgroundSecondaryColor;
const QColor foregroundPrimaryColor;
const QColor hoverColor;
const QColor textColor;
private:
mutable QPersistentModelIndex m_previousIndex;
mutable QElapsedTimer m_startTime;
mutable QPointer<QAbstractItemView> m_currentWidget;
mutable QVector<QPair<QString, QRect>> m_currentTagRects;
mutable QPixmap m_blurredThumbnail;
};
class CORE_EXPORT Section
{
public:
friend bool operator<(const Section &lhs, const Section &rhs)
{
if (lhs.priority < rhs.priority)
return true;
return lhs.priority > rhs.priority ? false : lhs.name < rhs.name;
}
friend bool operator==(const Section &lhs, const Section &rhs)
{
return lhs.priority == rhs.priority && lhs.name == rhs.name;
}
QString name;
int priority;
};
class CORE_EXPORT SectionedGridView : public QStackedWidget
{
public:
explicit SectionedGridView(QWidget *parent = nullptr);
~SectionedGridView();
void setItemDelegate(QAbstractItemDelegate *delegate);
void setPixmapFunction(const Core::ListModel::PixmapFunction &pixmapFunction);
void setSearchString(const QString &searchString);
Core::ListModel *addSection(const Section §ion, const QList<Core::ListItem *> &items);
void clear();
private:
QMap<Section, Core::ListModel *> m_sectionModels;
QList<QWidget *> m_sectionLabels;
QMap<Section, Core::GridView *> m_gridViews;
Core::GridView *m_allItemsView = nullptr;
Core::ListModelFilter *m_filteredAllItemsModel = nullptr;
Core::ListModel::PixmapFunction m_pixmapFunction;
};
} // namespace Core
Q_DECLARE_METATYPE(Core::ListItem *)
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