QTableView selectionChanged

Question

我有一个QTableView我需要从中获取selectionChanged事件.我似乎无法使连接工作.我有:

MyWidget.h

...

protected slots:
 void slotLoadTransaction(const QItemSelection & selected, const QItemSelection & deselected);
private:
 QTableView table;

...

MyWidget.cpp

...

 connect(
  table->selectionModel(),
  SIGNAL(selectionChanged(const QItemSelection & selected, const QItemSelection & deselected)),
  this,
  SLOT(slotLoadTransaction(const QItemSelection & selected, const QItemSelection & deselected))
 );

...

在运行时,我得到"No such Signal"错误.

Answer 1

您需要从SIGNAL和SLOT宏中删除变量名称:

 connect(
  table->selectionModel(),
  SIGNAL(selectionChanged(const QItemSelection &, const QItemSelection &)),
  SLOT(slotLoadTransaction(const QItemSelection &, const QItemSelection &))
 );

Connect实际上是在查看函数签名,变量名称会让人感到困惑.