QPdfBookmarkModel Class
QPdfBookmarkModel 类用于保存 PDF 文档中的链接（锚点）树，如目录。更多
| Header: | #include <QPdfBookmarkModel> |
| Inherits: | QAbstractItemModel |
公共类型
| enum class | Role { Title, Level, Page, Location, Zoom } |
属性
- document : QPdfDocument*
公共函数
| QPdfBookmarkModel(QObject *parent) | |
| virtual | ~QPdfBookmarkModel() override |
| QPdfDocument * | document() const |
| void | setDocument(QPdfDocument *document) |
重新实现的公共函数
| virtual int | columnCount(const QModelIndex &parent = QModelIndex()) const override |
| virtual QVariant | data(const QModelIndex &index, int role) const override |
| virtual QModelIndex | index(int row, int column, const QModelIndex &parent = QModelIndex()) const override |
| virtual QModelIndex | parent(const QModelIndex &index) const override |
| virtual QHash<int, QByteArray> | roleNames() const override |
| virtual int | rowCount(const QModelIndex &parent = QModelIndex()) const override |
信号
| void | documentChanged(QPdfDocument *document) |
详细说明
在模型/视图编程范例中用于以树形或列表形式显示目录。
成员类型文档
enum class QPdfBookmarkModel::Role
| 常数 | 值 | 说明 |
|---|---|---|
QPdfBookmarkModel::Role::Title | Qt::UserRole | 显示书签的名称。 |
QPdfBookmarkModel::Role::Level | 257 | 缩进程度。 |
QPdfBookmarkModel::Role::Page | 258 | 目标页的页码（int）。 |
QPdfBookmarkModel::Role::Location | 259 | 目标位置 (QPointF)。 |
QPdfBookmarkModel::Role::Zoom | 260 | 建议的缩放级别（qreal）。 |
属性文档
document : QPdfDocument*
该属性用于保存查找书签的 PDF 文档。
访问功能：
| QPdfDocument * | document() const |
| void | setDocument(QPdfDocument *document) |
Notifier 信号：
| void | documentChanged(QPdfDocument *document) |
成员函数文档
[explicit] QPdfBookmarkModel::QPdfBookmarkModel(QObject *parent)
使用父对象parent 构建一个新的书签模型。
[override virtual noexcept] QPdfBookmarkModel::~QPdfBookmarkModel()
破坏模型。
[override virtual] int QPdfBookmarkModel::columnCount(const QModelIndex &parent = QModelIndex()) const
重实现：QAbstractItemModel::columnCount(const QModelIndex &parent) const.
[override virtual] QVariant QPdfBookmarkModel::data(const QModelIndex &index, int role) const
重实现：QAbstractItemModel::data(const QModelIndex &index, int role) const.
[override virtual] QModelIndex QPdfBookmarkModel::index(int row, int column, const QModelIndex &parent = QModelIndex()) const
重实现：QAbstractItemModel::index(int row, int column, const QModelIndex &parent) const.
[override virtual] QModelIndex QPdfBookmarkModel::parent(const QModelIndex &index) const
重实现：QAbstractItemModel::parent(const QModelIndex &index) const.
[override virtual] QHash<int, QByteArray> QPdfBookmarkModel::roleNames() const
重实现：QAbstractItemModel::roleNames() const.
[override virtual] int QPdfBookmarkModel::rowCount(const QModelIndex &parent = QModelIndex()) const
重实现：QAbstractItemModel::rowCount(const QModelIndex &parent) const.
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