# QTableWidget Class Reference
## [[QtGui](index.htm) module]
该QTableWidget类提供了默认的模型基于物品的表视图。[More...](#details)
继承[QTableView](qtableview.html)。
### Methods
* `__init__ (self, QWidget parent = None)`
* `__init__ (self, int rows, int columns, QWidget parent = None)`
* `QWidget cellWidget (self, int row, int column)`
* `clear (self)`
* `clearContents (self)`
* `closePersistentEditor (self, QTableWidgetItem item)`
* `int column (self, QTableWidgetItem item)`
* `int columnCount (self)`
* `int currentColumn (self)`
* `QTableWidgetItem currentItem (self)`
* `int currentRow (self)`
* `dropEvent (self, QDropEvent event)`
* `bool dropMimeData (self, int row, int column, QMimeData data, Qt.DropAction action)`
* `editItem (self, QTableWidgetItem item)`
* `bool event (self, QEvent e)`
* `list-of-QTableWidgetItem findItems (self, QString text, Qt.MatchFlags flags)`
* `QTableWidgetItem horizontalHeaderItem (self, int column)`
* `QModelIndex indexFromItem (self, QTableWidgetItem item)`
* `insertColumn (self, int column)`
* `insertRow (self, int row)`
* `bool isItemSelected (self, QTableWidgetItem item)`
* `bool isSortingEnabled (self)`
* `QTableWidgetItem item (self, int row, int column)`
* `QTableWidgetItem itemAt (self, QPoint p)`
* `QTableWidgetItem itemAt (self, int ax, int ay)`
* `QTableWidgetItem itemFromIndex (self, QModelIndex index)`
* `QTableWidgetItem itemPrototype (self)`
* `list-of-QTableWidgetItem items (self, QMimeData data)`
* `QMimeData mimeData (self, list-of-QTableWidgetItem items)`
* `QStringList mimeTypes (self)`
* `openPersistentEditor (self, QTableWidgetItem item)`
* `removeCellWidget (self, int arow, int acolumn)`
* `removeColumn (self, int column)`
* `removeRow (self, int row)`
* `int row (self, QTableWidgetItem item)`
* `int rowCount (self)`
* `scrollToItem (self, QTableWidgetItem item, QAbstractItemView.ScrollHint hint = QAbstractItemView.EnsureVisible)`
* `list-of-QTableWidgetItem selectedItems (self)`
* `list-of-QTableWidgetSelectionRange selectedRanges (self)`
* `setCellWidget (self, int row, int column, QWidget widget)`
* `setColumnCount (self, int columns)`
* `setCurrentCell (self, int row, int column)`
* `setCurrentCell (self, int row, int column, QItemSelectionModel.SelectionFlags command)`
* `setCurrentItem (self, QTableWidgetItem item)`
* `setCurrentItem (self, QTableWidgetItem item, QItemSelectionModel.SelectionFlags command)`
* `setHorizontalHeaderItem (self, int column, QTableWidgetItem item)`
* `setHorizontalHeaderLabels (self, QStringList labels)`
* `setItem (self, int row, int column, QTableWidgetItem item)`
* `setItemPrototype (self, QTableWidgetItem item)`
* `setItemSelected (self, QTableWidgetItem item, bool select)`
* `setRangeSelected (self, QTableWidgetSelectionRange range, bool select)`
* `setRowCount (self, int rows)`
* `setSortingEnabled (self, bool enable)`
* `setVerticalHeaderItem (self, int row, QTableWidgetItem item)`
* `setVerticalHeaderLabels (self, QStringList labels)`
* `sortItems (self, int column, Qt.SortOrder order = Qt.AscendingOrder)`
* `Qt.DropActions supportedDropActions (self)`
* `QTableWidgetItem takeHorizontalHeaderItem (self, int column)`
* `QTableWidgetItem takeItem (self, int row, int column)`
* `QTableWidgetItem takeVerticalHeaderItem (self, int row)`
* `QTableWidgetItem verticalHeaderItem (self, int row)`
* `int visualColumn (self, int logicalColumn)`
* `QRect visualItemRect (self, QTableWidgetItem item)`
* `int visualRow (self, int logicalRow)`
### Qt Signals
* `void cellActivated (int,int)`
* `void cellChanged (int,int)`
* `void cellClicked (int,int)`
* `void cellDoubleClicked (int,int)`
* `void cellEntered (int,int)`
* `void cellPressed (int,int)`
* `void currentCellChanged (int,int,int,int)`
* `void currentItemChanged (QTableWidgetItem *,QTableWidgetItem *)`
* `void itemActivated (QTableWidgetItem *)`
* `void itemChanged (QTableWidgetItem *)`
* `void itemClicked (QTableWidgetItem *)`
* `void itemDoubleClicked (QTableWidgetItem *)`
* `void itemEntered (QTableWidgetItem *)`
* `void itemPressed (QTableWidgetItem *)`
* `void itemSelectionChanged ()`
* * *
## Detailed Description
该QTableWidget类提供了默认的模型基于物品的表视图。
表部件提供标准表的显示设备的应用程序。在一个QTableWidget的项目是由提供[QTableWidgetItem](qtablewidgetitem.html)。
如果你想使用自己的数据模型中的表,你应该使用[QTableView](qtableview.html)而不是这个类。
表部件可以用行和列的数目需要构造:
```
tableWidget = new QTableWidget(12, 3, this);
```
另外,表格可以在不给定大小的构造和调整后:
```
tableWidget = new QTableWidget(this);
tableWidget->setRowCount(10);
tableWidget->setColumnCount(5);
```
项目创建ouside的表(没有父widget ),并插入到表[setItem](qtablewidget.html#setItem)():
```
[QTableWidgetItem](qtablewidgetitem.html) *newItem = new [QTableWidgetItem](qtablewidgetitem.html)(tr("%1").arg(
(row+1)*(column+1)));
tableWidget->setItem(row, column, newItem);
```
如果您想要启用表中的小部件整理,这样做你填充了项目后,否则排序与插入顺序可能会影响(见[setItem](qtablewidget.html#setItem)( )了解详情) 。
表可以被给定的水平和垂直标头。来创建报头中的最简单的方法是提供一个字符串列表的[setHorizontalHeaderLabels](qtablewidget.html#setHorizontalHeaderLabels)()和[setVerticalHeaderLabels](qtablewidget.html#setVerticalHeaderLabels)()函数。这些将提供简单的文本表格的标题的列和行。更复杂的标题可以从通常建造在表外存在的表项被创建。例如,我们可以构造一个表项有一个图标和对齐文本,并把它作为一个特定列的标题:
```
[QTableWidgetItem](qtablewidgetitem.html) *cubesHeaderItem = new [QTableWidgetItem](qtablewidgetitem.html)(tr("Cubes"));
cubesHeaderItem->setIcon([QIcon](qicon.html)([QPixmap](qpixmap.html)(":/../img/cubed.png")));
cubesHeaderItem->setTextAlignment([Qt](qt.html).AlignVCenter);
```
表中的行数可以与发现[rowCount](qtablewidget.html#rowCount-prop)()和列的数目[columnCount](qtablewidget.html#columnCount-prop)( ) 。该表可与被清除[clear](qtablewidget.html#clear)()函数。
| ![Screenshot of a Windows XP style table widget](https://img.kancloud.cn/c2/2c/c22c3803d1079a3ad642df8d9bd74c17_253x174.png) | ![Screenshot of a Macintosh style table widget](https://img.kancloud.cn/59/11/5911ea4654b0f7165de28617b4556d47_243x173.png) | ![Screenshot of a Plastique style table widget](https://img.kancloud.cn/10/5c/105c5f361b3ab0767d2f6c0309e84237_251x175.png) |
| A [Windows XP style](index.htm) table widget. | A [Macintosh style](index.htm) table widget. | A [Plastique style](index.htm) table widget. |
* * *
## Method Documentation
```
QTableWidget.__init__ (self, QWidget parent = None)
```
该_parent_的说法,如果不是没有,原因_self_通过Qt的,而不是PyQt的拥有。
创建具有给定一个新的表视图_parent_。
```
QTableWidget.__init__ (self, int rows, int columns, QWidget parent = None)
```
该_parent_的说法,如果不是没有,原因_self_通过Qt的,而不是PyQt的拥有。
创建具有给定一个新的表视图_rows_和_columns_,并用给定的_parent_。
```
QWidget QTableWidget.cellWidget (self, int row, int column)
```
[
返回在给定显示在单元格中的插件_row_和_column_。
**Note:**该表采用了小部件的所有权。
这个函数是Qt 4.1中引入。
](qwidget.html)
[**See also**](qwidget.html) [setCellWidget](qtablewidget.html#setCellWidget)( ) 。
```
QTableWidget.clear (self)
```
这种方法也是一个Qt槽与C + +的签名`void clear()`。
删除所有项目在视图中。这也将删除所有选择。该表的尺寸保持不变。
```
QTableWidget.clearContents (self)
```
这种方法也是一个Qt槽与C + +的签名`void clearContents()`。
删除所有项目不从视图中的标头。这也将删除所有选择。该表的尺寸保持不变。
这个函数中引入了Qt 4.2中。
```
QTableWidget.closePersistentEditor (self, QTableWidgetItem item)
```
关闭执着编辑器_item_。
**See also** [openPersistentEditor](qtablewidget.html#openPersistentEditor)( ) 。
```
int QTableWidget.column (self, QTableWidgetItem item)
```
返回的列_item_。
```
int QTableWidget.columnCount (self)
```
```
int QTableWidget.currentColumn (self)
```
返回当前项目的列。
**See also** [currentRow](qtablewidget.html#currentRow)()和[setCurrentCell](qtablewidget.html#setCurrentCell)( ) 。
```
QTableWidgetItem QTableWidget.currentItem (self)
```
[
返回当前项目。
](qtablewidgetitem.html)
[**See also**](qtablewidgetitem.html) [setCurrentItem](qtablewidget.html#setCurrentItem)( ) 。
```
int QTableWidget.currentRow (self)
```
返回当前项目的行。
**See also** [currentColumn](qtablewidget.html#currentColumn)()和[setCurrentCell](qtablewidget.html#setCurrentCell)( ) 。
```
QTableWidget.dropEvent (self, QDropEvent event)
```
从重新实现[QWidget.dropEvent](qwidget.html#dropEvent)( ) 。
```
bool QTableWidget.dropMimeData (self, int row, int column, QMimeData data, Qt.DropAction action)
```
处理_data_通过拖放操作,与给定的供给结束_action_在给定的_row_和_column_。返回True如果数据和动作可以通过模型来处理,否则返回False 。
**See also** [supportedDropActions](qtablewidget.html#supportedDropActions)( ) 。
```
QTableWidget.editItem (self, QTableWidgetItem item)
```
开始编辑_item_如果是可编辑的。
```
bool QTableWidget.event (self, QEvent e)
```
从重新实现[QObject.event](qobject.html#event)( ) 。
```
list-of-QTableWidgetItem QTableWidget.findItems (self, QString text, Qt.MatchFlags flags)
```
找到符合的项目_text_使用给定的_flags_。
```
QTableWidgetItem QTableWidget.horizontalHeaderItem (self, int column)
```
[
返回列的水平标题项,_column_,如果已设定,否则返回0 。
](qtablewidgetitem.html)
[**See also**](qtablewidgetitem.html) [setHorizontalHeaderItem](qtablewidget.html#setHorizontalHeaderItem)( ) 。
```
QModelIndex QTableWidget.indexFromItem (self, QTableWidgetItem item)
```
[](qmodelindex.html)
[返回](qmodelindex.html)[QModelIndex](qmodelindex.html)assocated用给定的_item_。
```
QTableWidget.insertColumn (self, int column)
```
这种方法也是一个Qt槽与C + +的签名`void insertColumn(int)`。
插入一个空列到表中_column_。
```
QTableWidget.insertRow (self, int row)
```
这种方法也是一个Qt槽与C + +的签名`void insertRow(int)`。
插入一个空行到表中_row_。
```
bool QTableWidget.isItemSelected (self, QTableWidgetItem item)
```
```
bool QTableWidget.isSortingEnabled (self)
```
```
QTableWidgetItem QTableWidget.item (self, int row, int column)
```
[
返回的项目为给定的_row_和_column_如果已经设置,否则返回0 。
](qtablewidgetitem.html)
[**See also**](qtablewidgetitem.html) [setItem](qtablewidget.html#setItem)( ) 。
```
QTableWidgetItem QTableWidget.itemAt (self, QPoint p)
```
[
返回一个指向该项目在给定的_point_,或返回0,如果_point_未在表格部件所复盖的项目。
](qtablewidgetitem.html)
[**See also**](qtablewidgetitem.html) [item](qtablewidget.html#item)( ) 。
```
QTableWidgetItem QTableWidget.itemAt (self, int ax, int ay)
```
[](qtablewidgetitem.html)
[返回以相等于位置的项目](qtablewidgetitem.html)[QPoint](qpoint.html)(_ax_,_ay_)表格部件的坐标系中,或者指定的点是不是在表部件有相应的项目返回0 。
**See also** [item](qtablewidget.html#item)( ) 。
```
QTableWidgetItem QTableWidget.itemFromIndex (self, QModelIndex index)
```
[](qtablewidgetitem.html)
[返回一个指针](qtablewidgetitem.html)[QTableWidgetItem](qtablewidgetitem.html)assocated用给定的_index_。
```
QTableWidgetItem QTableWidget.itemPrototype (self)
```
[
返回产品原型所使用的表。
](qtablewidgetitem.html)
[**See also**](qtablewidgetitem.html) [setItemPrototype](qtablewidget.html#setItemPrototype)( ) 。
```
list-of-QTableWidgetItem QTableWidget.items (self, QMimeData data)
```
返回指针的列表,包含在该项目_data_对象。如果对象不是由创建[QTreeWidget](qtreewidget.html)在同一过程中,该列表是空的。
```
QMimeData QTableWidget.mimeData (self, list-of-QTableWidgetItem items)
```
[
该_QMimeData_结果
](qmimedata.html)
[返回一个对象,该对象包含指定的序列化描述_items_。用于描述的项目的格式是从所获得的](qmimedata.html)[mimeTypes](qtablewidget.html#mimeTypes)()函数。
如果项目列表为空,则返回0 ,而不是一个序列化的空单。
```
QStringList QTableWidget.mimeTypes (self)
```
返回可用于描述tablewidget项目清单的MIME类型的列表。
**See also** [mimeData](qtablewidget.html#mimeData)( ) 。
```
QTableWidget.openPersistentEditor (self, QTableWidgetItem item)
```
打开一个编辑器的给予_item_。该编辑器编辑后仍保持打开状态。
**See also** [closePersistentEditor](qtablewidget.html#closePersistentEditor)( ) 。
```
QTableWidget.removeCellWidget (self, int arow, int acolumn)
```
删除小部件所指示的单元格设置_row_和_column_。
此功能被引入Qt的4.3 。
```
QTableWidget.removeColumn (self, int column)
```
这种方法也是一个Qt槽与C + +的签名`void removeColumn(int)`。
删除列_column_和从表中的所有项目。
```
QTableWidget.removeRow (self, int row)
```
这种方法也是一个Qt槽与C + +的签名`void removeRow(int)`。
删除的行_row_和从表中的所有项目。
```
int QTableWidget.row (self, QTableWidgetItem item)
```
返回该行的_item_。
```
int QTableWidget.rowCount (self)
```
```
QTableWidget.scrollToItem (self, QTableWidgetItem item, QAbstractItemView.ScrollHint hint = QAbstractItemView.EnsureVisible)
```
这种方法也是一个Qt槽与C + +的签名`void scrollToItem(const QTableWidgetItem *,QAbstractItemView::ScrollHint = QAbstractItemView.EnsureVisible)`。
滚动的视图,如果必要,以确保_item_是可见的。该_hint_参数指定更精确的地方_item_应设在手术后。
```
list-of-QTableWidgetItem QTableWidget.selectedItems (self)
```
返回所有选定项的列表。
这个函数返回一个指针列表,选中单元格的内容。使用[selectedIndexes](qtableview.html#selectedIndexes)( )函数来获取完整的选择_including_空单元格。
**See also** [selectedIndexes](qtableview.html#selectedIndexes)( ) 。
```
list-of-QTableWidgetSelectionRange QTableWidget.selectedRanges (self)
```
返回所有选定范围的列表。
**See also** [QTableWidgetSelectionRange](qtablewidgetselectionrange.html)。
```
QTableWidget.setCellWidget (self, int row, int column, QWidget widget)
```
该_widget_说法有它的所有权转移给Qt的。
设置给定_widget_在给定的要被显示在单元格中_row_和_column_,通过widget的所有权表。
如果电池部件A被替换电池部件B,细胞小部件A将被删除。例如,下面的代码片段中,[QLineEdit](qlineedit.html)对象将被删除。
```
setCellWidget(index, new [QLineEdit](qlineedit.html));
...
setCellWidget(index, new [QTextEdit](qtextedit.html));
```
这个函数是Qt 4.1中引入。
**See also** [cellWidget](qtablewidget.html#cellWidget)( ) 。
```
QTableWidget.setColumnCount (self, int columns)
```
```
QTableWidget.setCurrentCell (self, int row, int column)
```
将当前单元格是在位置的单元格(_row_,_column_) 。
根据当前的[selection mode](qabstractitemview.html#SelectionMode-enum)中,细胞也可能被选中。
这个函数是Qt 4.1中引入。
**See also** [setCurrentItem](qtablewidget.html#setCurrentItem)( )[currentRow](qtablewidget.html#currentRow)()和[currentColumn](qtablewidget.html#currentColumn)( ) 。
```
QTableWidget.setCurrentCell (self, int row, int column, QItemSelectionModel.SelectionFlags command)
```
将当前单元格是在位置的单元格(_row_,_column_) ,使用给定的_command_。
此功能被引入Qt的4.4 。
**See also** [setCurrentItem](qtablewidget.html#setCurrentItem)( )[currentRow](qtablewidget.html#currentRow)()和[currentColumn](qtablewidget.html#currentColumn)( ) 。
```
QTableWidget.setCurrentItem (self, QTableWidgetItem item)
```
设置当前项目_item_。
除非选择模式为[NoSelection](qabstractitemview.html#SelectionMode-enum)时,该项目也被选中。
**See also** [currentItem](qtablewidget.html#currentItem)()和[setCurrentCell](qtablewidget.html#setCurrentCell)( ) 。
```
QTableWidget.setCurrentItem (self, QTableWidgetItem item, QItemSelectionModel.SelectionFlags command)
```
设置当前项目是_item_,使用给定的_command_。
此功能被引入Qt的4.4 。
**See also** [currentItem](qtablewidget.html#currentItem)()和[setCurrentCell](qtablewidget.html#setCurrentCell)( ) 。
```
QTableWidget.setHorizontalHeaderItem (self, int column, QTableWidgetItem item)
```
该_item_说法有它的所有权转移给Qt的。
设置列的水平标题的项目_column_至_item_。
**See also** [horizontalHeaderItem](qtablewidget.html#horizontalHeaderItem)( ) 。
```
QTableWidget.setHorizontalHeaderLabels (self, QStringList labels)
```
设置使用水平标题标籤_labels_。
```
QTableWidget.setItem (self, int row, int column, QTableWidgetItem item)
```
该_item_说法有它的所有权转移给Qt的。
设置项对于给定的_row_和_column_至_item_。
该表采用了项目的所有权。
请注意,如果排序是启用(见[sortingEnabled](qtableview.html#sortingEnabled-prop))和_column_是当前排序列中,_row_将被移动到所确定的排序位置_item_。
如果你想(在一个循环中说,通过调用SetItem使用( ) )设置一个特定行的几个项目,你可能想关闭在这样做之前排序,并重新开启之后,这将允许您使用相同的_row_参数为同一行中的所有项目(即SetItem使用( )将不会移动的行) 。
**See also** [item](qtablewidget.html#item)()和[takeItem](qtablewidget.html#takeItem)( ) 。
```
QTableWidget.setItemPrototype (self, QTableWidgetItem item)
```
该_item_说法有它的所有权转移给Qt的。
设置项原型的表的指定的_item_。
该表部件将使用的项目原型克隆功能,当它需要创建一个新的表项。例如,当用户在编辑一个空单元格。当你有这是一个非常有用[QTableWidgetItem](qtablewidgetitem.html)子类,并希望确保[QTableWidget](qtablewidget.html)创建你的子类的实例。
该表采用了原型的所有权。
**See also** [itemPrototype](qtablewidget.html#itemPrototype)( ) 。
```
QTableWidget.setItemSelected (self, QTableWidgetItem item, bool select)
```
```
QTableWidget.setRangeSelected (self, QTableWidgetSelectionRange range, bool select)
```
选择或取消选择_range_根据_select_。
```
QTableWidget.setRowCount (self, int rows)
```
```
QTableWidget.setSortingEnabled (self, bool enable)
```
```
QTableWidget.setVerticalHeaderItem (self, int row, QTableWidgetItem item)
```
该_item_说法有它的所有权转移给Qt的。
设置为行的垂直标题项_row_至_item_。
**See also** [verticalHeaderItem](qtablewidget.html#verticalHeaderItem)( ) 。
```
QTableWidget.setVerticalHeaderLabels (self, QStringList labels)
```
设置使用垂直标题标籤_labels_。
```
QTableWidget.sortItems (self, int column, Qt.SortOrder order = Qt.AscendingOrder)
```
排序表中的小部件中的所有行的基础上_column_和_order_。
```
Qt.DropActions QTableWidget.supportedDropActions (self)
```
[
返回此视图支持的放置动作。
](index.htm)
[**See also**](index.htm) [Qt.DropActions](qt.html#DropAction-enum)。
```
QTableWidgetItem QTableWidget.takeHorizontalHeaderItem (self, int column)
```
[
该_QTableWidgetItem_结果
删除在水平标题项_column_从而不删除它的头。
这个函数是Qt 4.1中引入。
](qtablewidgetitem.html)
```
QTableWidgetItem QTableWidget.takeItem (self, int row, int column)
```
[
该_QTableWidgetItem_结果
在删除的项目_row_和_column_从表而不删除它。
](qtablewidgetitem.html)
```
QTableWidgetItem QTableWidget.takeVerticalHeaderItem (self, int row)
```
[
该_QTableWidgetItem_结果
删除在垂直标题项_row_从而不删除它的头。
这个函数是Qt 4.1中引入。
](qtablewidgetitem.html)
```
QTableWidgetItem QTableWidget.verticalHeaderItem (self, int row)
```
[
返回行的垂直标题项_row_。
](qtablewidgetitem.html)
[**See also**](qtablewidgetitem.html) [setVerticalHeaderItem](qtablewidget.html#setVerticalHeaderItem)( ) 。
```
int QTableWidget.visualColumn (self, int logicalColumn)
```
返回给定的可视列_logicalColumn_。
```
QRect QTableWidget.visualItemRect (self, QTableWidgetItem item)
```
[
返回矩形上通过了该项目所佔用的视_item_。
```
int QTableWidget.visualRow (self, int logicalRow)
```
返回给定的可视化排_logicalRow_。
* * *
## Qt Signal Documentation
```
void cellActivated (int,int)
```
这是该信号的默认超载。
当指定由小区这个信号被发射_row_和_column_已激活
这个函数是Qt 4.1中引入。
```
void cellChanged (int,int)
```
这是该信号的默认超载。
每当该项目的单元格中的数据通过指定这个信号被发射_row_和_column_已经改变。
这个函数是Qt 4.1中引入。
```
void cellClicked (int,int)
```
这是该信号的默认超载。
每当在表中的单元格被点击这个信号被发射。该_row_和_column_指定是被单击的单元格。
这个函数是Qt 4.1中引入。
```
void cellDoubleClicked (int,int)
```
这是该信号的默认超载。
这个信号被发射时在表中的单元格被双点击。该_row_和_column_指定是被双击时的电池。
这个函数是Qt 4.1中引入。
```
void cellEntered (int,int)
```
这是该信号的默认超载。
当鼠标光标进入细胞这个信号被发射。被指定的小区_row_和_column_。
](qrect.html)
[这个信号只发射时](qrect.html)[mouseTracking](qwidget.html#mouseTracking-prop)被接通时,或者当在移动到一个产品上,按下鼠标按钮。
这个函数是Qt 4.1中引入。
```
void cellPressed (int,int)
```
这是该信号的默认超载。
每当在表中的单元格被按下时,这个信号被发射。该_row_和_column_指定的是被按下的细胞。
这个函数是Qt 4.1中引入。
```
void currentCellChanged (int,int,int,int)
```
这是该信号的默认超载。
这个信号被发射时当前单元格的变化。由指定的小区_previousRow_和_previousColumn_是,以前有焦点的单元格,指定的单元格_currentRow_和_currentColumn_是新的当前单元格。
这个函数是Qt 4.1中引入。
```
void currentItemChanged (QTableWidgetItem *,QTableWidgetItem *)
```
这是该信号的默认超载。
这个信号被发射时的当前项的变化。该_previous_产品以前具有焦点的项目,_current_是新的当前项。
```
void itemActivated (QTableWidgetItem *)
```
这是该信号的默认超载。
指定时,这个信号被发射_item_已激活
```
void itemChanged (QTableWidgetItem *)
```
这是该信号的默认超载。
这个信号被发射时的数据_item_已经改变。
```
void itemClicked (QTableWidgetItem *)
```
这是该信号的默认超载。
每当表格中的项被点击这个信号被发射。该_item_指定是被单击的项目。
```
void itemDoubleClicked (QTableWidgetItem *)
```
这是该信号的默认超载。
这个信号被发射时表格中的项目被双击时。该_item_指定是被双击了项目。
```
void itemEntered (QTableWidgetItem *)
```
这是该信号的默认超载。
当鼠标光标进入一个项目,这个信号被发射。该_item_在该项目进入。
这个信号只发射时[mouseTracking](qwidget.html#mouseTracking-prop)被接通时,或者当在移动到一个产品上,按下鼠标按钮。
```
void itemPressed (QTableWidgetItem *)
```
这是该信号的默认超载。
每当在表中的项目被按下这个信号被发射。该_item_指定的是被按下的项目。
```
void itemSelectionChanged ()
```
这是该信号的默认超载。
这个信号被发射时的选择改变。
**See also** [selectedItems](qtablewidget.html#selectedItems)()和[QTableWidgetItem.isSelected](qtablewidgetitem.html#isSelected)( ) 。
- PyQt4 中文文档
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- Reference
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