QAccessibleTextUpdateEvent Class
QAccessibleTextUpdateEvent 类通知文本更改。这适用于支持可编辑文本(如行编辑)的可访问性。例如,当粘贴新文本或在编辑器的覆盖模式下替换部分选定文本时,就会发生该事件。更多
页眉: | #include <QAccessibleTextUpdateEvent> |
CMake: | find_package(Qt6 REQUIRED COMPONENTS Gui) target_link_libraries(mytarget PRIVATE Qt6::Gui) |
qmake: | QT += gui |
继承: | QAccessibleTextCursorEvent |
- 所有成员(包括继承成员)的列表
- QAccessibleTextUpdateEvent 属于辅助功能类。
公共函数
QAccessibleTextUpdateEvent(QAccessibleInterface *iface, int position, const QString &oldText, const QString &text) | |
QAccessibleTextUpdateEvent(QObject *object, int position, const QString &oldText, const QString &text) | |
int | changePosition() const |
QString | textInserted() const |
QString | textRemoved() const |
详细说明
该类与QAccessible::updateAccessibility() 一起使用。
成员函数文档
QAccessibleTextUpdateEvent::QAccessibleTextUpdateEvent(QAccessibleInterface *iface, int position, const QString &oldText, const QString &text)
为iface 构建一个新的 QAccessibleTextUpdateEvent。文本更改发生在position ,在该处删除了oldText 并插入了text 。
QAccessibleTextUpdateEvent::QAccessibleTextUpdateEvent(QObject *object, int position, const QString &oldText, const QString &text)
为object 构建一个新的 QAccessibleTextUpdateEvent。文本更改发生在position ,在该处删除了oldText 并插入了text 。
int QAccessibleTextUpdateEvent::changePosition() const
返回发生更改的位置。
QString QAccessibleTextUpdateEvent::textInserted() const
返回插入的文本。
QString QAccessibleTextUpdateEvent::textRemoved() const
返回删除的文本。
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