nodeguy/website/docs/api/generated/classes/qtreewidget.md
2021-07-09 01:04:06 +02:00

1838 lines
37 KiB
Markdown
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

---
id: "qtreewidget"
title: "QTreeWidget"
sidebar_label: "QTreeWidget"
---
> Creates a tree view that uses a predefined tree model.
**This class is a JS wrapper around Qt's [QTreeWidget class](https://doc.qt.io/qt-5/qtreewidget.html)**
### Example
```javascript
const { QMainWindow, QTreeWidgetItem, QTreeWidget } = require("@nodegui/nodegui");
const win = new QMainWindow();
const tree = new QTreeWidget();
const item1 = new QTreeWidgetItem();
item1.setText(0, `item-1`);
const item2 = new QTreeWidgetItem();
item2.setText(0, `item-2`);
const item3 = new QTreeWidgetItem();
item3.setText(0, `item-3`);
const item4 = new QTreeWidgetItem();
item4.setText(0, `item-4`);
const item5 = new QTreeWidgetItem();
item5.setText(0, `item-5`);
const item6 = new QTreeWidgetItem();
item6.setText(0, `item-6`);
tree.addTopLevelItem(item1);
tree.insertTopLevelItems(0, [item2, item3]);
tree.addTopLevelItems([item4, item5]);
tree.insertTopLevelItem(2, item6);
// Add children to item1
const c1item1 = new QTreeWidgetItem(item1);
c1item1.setText(0, `c1item1`);
const c1item2 = new QTreeWidgetItem(item1);
c1item2.setText(0, `c1item1`);
win.setCentralWidget(tree);
win.show();
(global as any).win = win;```
## Hierarchy
↳ [QAbstractScrollArea](qabstractscrollarea.md)[QTreeWidgetSignals](../interfaces/qtreewidgetsignals.md)
↳ **QTreeWidget**
## Index
### Constructors
* [constructor](qtreewidget.md#constructor)
### Properties
* [_layout](qtreewidget.md#optional-_layout)
* [_rawInlineStyle](qtreewidget.md#_rawinlinestyle)
* [actions](qtreewidget.md#actions)
* [itemWidgets](qtreewidget.md#itemwidgets)
* [native](qtreewidget.md#native)
* [nodeChildren](qtreewidget.md#nodechildren)
* [nodeParent](qtreewidget.md#optional-nodeparent)
* [topLevelItems](qtreewidget.md#toplevelitems)
* [type](qtreewidget.md#type)
* [viewportWidget](qtreewidget.md#optional-viewportwidget)
### Accessors
* [layout](qtreewidget.md#layout)
### Methods
* [acceptDrops](qtreewidget.md#acceptdrops)
* [activateWindow](qtreewidget.md#activatewindow)
* [addAction](qtreewidget.md#addaction)
* [addEventListener](qtreewidget.md#addeventlistener)
* [addTopLevelItem](qtreewidget.md#addtoplevelitem)
* [addTopLevelItems](qtreewidget.md#addtoplevelitems)
* [adjustSize](qtreewidget.md#adjustsize)
* [clear](qtreewidget.md#clear)
* [clearFocus](qtreewidget.md#clearfocus)
* [close](qtreewidget.md#close)
* [currentItem](qtreewidget.md#currentitem)
* [findItems](qtreewidget.md#finditems)
* [font](qtreewidget.md#font)
* [frameRect](qtreewidget.md#framerect)
* [frameShadow](qtreewidget.md#frameshadow)
* [frameShape](qtreewidget.md#frameshape)
* [frameStyle](qtreewidget.md#framestyle)
* [frameWidth](qtreewidget.md#framewidth)
* [geometry](qtreewidget.md#geometry)
* [getFlexNode](qtreewidget.md#getflexnode)
* [hasMouseTracking](qtreewidget.md#hasmousetracking)
* [hide](qtreewidget.md#hide)
* [inherits](qtreewidget.md#inherits)
* [insertTopLevelItem](qtreewidget.md#inserttoplevelitem)
* [insertTopLevelItems](qtreewidget.md#inserttoplevelitems)
* [isActiveWindow](qtreewidget.md#isactivewindow)
* [isEnabled](qtreewidget.md#isenabled)
* [isVisible](qtreewidget.md#isvisible)
* [lineWidth](qtreewidget.md#linewidth)
* [lower](qtreewidget.md#lower)
* [mapFromGlobal](qtreewidget.md#mapfromglobal)
* [mapFromParent](qtreewidget.md#mapfromparent)
* [mapToGlobal](qtreewidget.md#maptoglobal)
* [mapToParent](qtreewidget.md#maptoparent)
* [maximumSize](qtreewidget.md#maximumsize)
* [maximumViewportSize](qtreewidget.md#maximumviewportsize)
* [midLineWidth](qtreewidget.md#midlinewidth)
* [minimumSize](qtreewidget.md#minimumsize)
* [move](qtreewidget.md#move)
* [objectName](qtreewidget.md#objectname)
* [pos](qtreewidget.md#pos)
* [property](qtreewidget.md#property)
* [raise](qtreewidget.md#raise)
* [removeAction](qtreewidget.md#removeaction)
* [removeEventListener](qtreewidget.md#removeeventlistener)
* [repaint](qtreewidget.md#repaint)
* [repolish](qtreewidget.md#repolish)
* [resize](qtreewidget.md#resize)
* [selectedItems](qtreewidget.md#selecteditems)
* [setAcceptDrops](qtreewidget.md#setacceptdrops)
* [setAttribute](qtreewidget.md#setattribute)
* [setColumnCount](qtreewidget.md#setcolumncount)
* [setColumnWidth](qtreewidget.md#setcolumnwidth)
* [setContextMenuPolicy](qtreewidget.md#setcontextmenupolicy)
* [setCursor](qtreewidget.md#setcursor)
* [setEnabled](qtreewidget.md#setenabled)
* [setFixedSize](qtreewidget.md#setfixedsize)
* [setFlexNodeSizeControlled](qtreewidget.md#setflexnodesizecontrolled)
* [setFocus](qtreewidget.md#setfocus)
* [setFocusPolicy](qtreewidget.md#setfocuspolicy)
* [setFont](qtreewidget.md#setfont)
* [setFrameRect](qtreewidget.md#setframerect)
* [setFrameShadow](qtreewidget.md#setframeshadow)
* [setFrameShape](qtreewidget.md#setframeshape)
* [setFrameStyle](qtreewidget.md#setframestyle)
* [setGeometry](qtreewidget.md#setgeometry)
* [setGraphicsEffect](qtreewidget.md#setgraphicseffect)
* [setHeaderHidden](qtreewidget.md#setheaderhidden)
* [setHeaderLabel](qtreewidget.md#setheaderlabel)
* [setHeaderLabels](qtreewidget.md#setheaderlabels)
* [setHorizontalScrollBar](qtreewidget.md#sethorizontalscrollbar)
* [setHorizontalScrollBarPolicy](qtreewidget.md#sethorizontalscrollbarpolicy)
* [setInlineStyle](qtreewidget.md#setinlinestyle)
* [setItemWidget](qtreewidget.md#setitemwidget)
* [setLayout](qtreewidget.md#setlayout)
* [setLineWidth](qtreewidget.md#setlinewidth)
* [setMaximumSize](qtreewidget.md#setmaximumsize)
* [setMidLineWidth](qtreewidget.md#setmidlinewidth)
* [setMinimumSize](qtreewidget.md#setminimumsize)
* [setMouseTracking](qtreewidget.md#setmousetracking)
* [setNodeParent](qtreewidget.md#setnodeparent)
* [setObjectName](qtreewidget.md#setobjectname)
* [setProperty](qtreewidget.md#setproperty)
* [setSortingEnabled](qtreewidget.md#setsortingenabled)
* [setStyleSheet](qtreewidget.md#setstylesheet)
* [setVerticalScrollBar](qtreewidget.md#setverticalscrollbar)
* [setVerticalScrollBarPolicy](qtreewidget.md#setverticalscrollbarpolicy)
* [setViewport](qtreewidget.md#setviewport)
* [setWindowFlag](qtreewidget.md#setwindowflag)
* [setWindowIcon](qtreewidget.md#setwindowicon)
* [setWindowOpacity](qtreewidget.md#setwindowopacity)
* [setWindowState](qtreewidget.md#setwindowstate)
* [setWindowTitle](qtreewidget.md#setwindowtitle)
* [show](qtreewidget.md#show)
* [showFullScreen](qtreewidget.md#showfullscreen)
* [showMaximized](qtreewidget.md#showmaximized)
* [showMinimized](qtreewidget.md#showminimized)
* [showNormal](qtreewidget.md#shownormal)
* [size](qtreewidget.md#size)
* [styleSheet](qtreewidget.md#stylesheet)
* [takeTopLevelItem](qtreewidget.md#taketoplevelitem)
* [testAttribute](qtreewidget.md#testattribute)
* [update](qtreewidget.md#update)
* [updateGeometry](qtreewidget.md#updategeometry)
* [viewport](qtreewidget.md#viewport)
* [windowOpacity](qtreewidget.md#windowopacity)
* [windowState](qtreewidget.md#windowstate)
* [windowTitle](qtreewidget.md#windowtitle)
## Constructors
### constructor
\+ **new QTreeWidget**(): *[QTreeWidget](qtreewidget.md)*
*Overrides [NodeWidget](nodewidget.md).[constructor](nodewidget.md#constructor)*
**Returns:** *[QTreeWidget](qtreewidget.md)*
\+ **new QTreeWidget**(`parent`: [NodeWidget](nodewidget.md)any): *[QTreeWidget](qtreewidget.md)*
*Overrides [NodeWidget](nodewidget.md).[constructor](nodewidget.md#constructor)*
**Parameters:**
Name | Type |
------ | ------ |
`parent` | [NodeWidget](nodewidget.md)any |
**Returns:** *[QTreeWidget](qtreewidget.md)*
## Properties
### `Optional` _layout
• **_layout**? : *[NodeLayout](nodelayout.md)[QTreeWidgetSignals](../interfaces/qtreewidgetsignals.md)*
*Inherited from [QMenu](qmenu.md).[_layout](qmenu.md#optional-_layout)*
___
### _rawInlineStyle
• **_rawInlineStyle**: *string* = ""
*Inherited from [QMenu](qmenu.md).[_rawInlineStyle](qmenu.md#_rawinlinestyle)*
___
### actions
• **actions**: *Set[QAction](qaction.md)*
*Inherited from [QMenu](qmenu.md).[actions](qmenu.md#actions)*
___
### itemWidgets
• **itemWidgets**: *Map[QTreeWidgetItem](qtreewidgetitem.md), [QWidget](qwidget.md)*
___
### native
• **native**: *[NativeElement](../globals.md#nativeelement)*
*Overrides [Component](component.md).[native](component.md#abstract-native)*
___
### nodeChildren
• **nodeChildren**: *Set[Component](component.md)*
*Inherited from [Component](component.md).[nodeChildren](component.md#nodechildren)*
___
### `Optional` nodeParent
• **nodeParent**? : *[Component](component.md)*
*Inherited from [Component](component.md).[nodeParent](component.md#optional-nodeparent)*
___
### topLevelItems
• **topLevelItems**: *Set[QTreeWidgetItem](qtreewidgetitem.md)*
___
### type
• **type**: *string* = "widget"
*Inherited from [QMenu](qmenu.md).[type](qmenu.md#type)*
___
### `Optional` viewportWidget
• **viewportWidget**? : *[NodeWidget](nodewidget.md)any*
*Inherited from [QAbstractScrollArea](qabstractscrollarea.md).[viewportWidget](qabstractscrollarea.md#optional-viewportwidget)*
## Accessors
### layout
• **get layout**(): *[NodeLayout](nodelayout.md)[QTreeWidgetSignals](../interfaces/qtreewidgetsignals.md) | undefined*
*Inherited from [QMenu](qmenu.md).[layout](qmenu.md#layout)*
**Returns:** *[NodeLayout](nodelayout.md)[QTreeWidgetSignals](../interfaces/qtreewidgetsignals.md) | undefined*
• **set layout**(`l`: [NodeLayout](nodelayout.md)[QTreeWidgetSignals](../interfaces/qtreewidgetsignals.md) | undefined): *void*
*Inherited from [QMenu](qmenu.md).[layout](qmenu.md#layout)*
**Parameters:**
Name | Type |
------ | ------ |
`l` | [NodeLayout](nodelayout.md)[QTreeWidgetSignals](../interfaces/qtreewidgetsignals.md) | undefined |
**Returns:** *void*
## Methods
### acceptDrops
▸ **acceptDrops**(): *boolean*
*Inherited from [QMenu](qmenu.md).[acceptDrops](qmenu.md#acceptdrops)*
**Returns:** *boolean*
___
### activateWindow
▸ **activateWindow**(): *void*
*Inherited from [QMenu](qmenu.md).[activateWindow](qmenu.md#activatewindow)*
**Returns:** *void*
___
### addAction
▸ **addAction**(`action`: [QAction](qaction.md) | string): *[QAction](qaction.md)*
*Inherited from [QMenu](qmenu.md).[addAction](qmenu.md#addaction)*
**Parameters:**
Name | Type |
------ | ------ |
`action` | [QAction](qaction.md) | string |
**Returns:** *[QAction](qaction.md)*
___
### addEventListener
▸ **addEventListener****SignalType**(`signalType`: SignalType, `callback`: QTreeWidgetSignals[SignalType]): *void*
*Inherited from [EventWidget](eventwidget.md).[addEventListener](eventwidget.md#addeventlistener)*
**Type parameters:**
▪ **SignalType**: *keyof QTreeWidgetSignals*
**Parameters:**
Name | Type | Description |
------ | ------ | ------ |
`signalType` | SignalType | SignalType is a signal from the widgets signals interface. |
`callback` | QTreeWidgetSignals[SignalType] | Corresponding callback for the signal as mentioned in the widget's signal interface |
**Returns:** *void*
void
For example in the case of QPushButton:
```js
const button = new QPushButton();
button.addEventListener('clicked',(checked)=>console.log("clicked"));
// here clicked is a value from QPushButtonSignals interface
```
**addEventListener**(`eventType`: [WidgetEventTypes](../enums/widgeteventtypes.md), `callback`: function): *void*
*Inherited from [EventWidget](eventwidget.md).[addEventListener](eventwidget.md#addeventlistener)*
**Parameters:**
**eventType**: *[WidgetEventTypes](../enums/widgeteventtypes.md)*
**callback**: *function*
For example in the case of QPushButton:
```js
const button = new QPushButton();
button.addEventListener(WidgetEventTypes.HoverEnter,()=>console.log("hovered"));
```
▸ (`event?`: [NativeRawPointer](../globals.md#nativerawpointer)"QEvent"): *void*
**Parameters:**
Name | Type |
------ | ------ |
`event?` | [NativeRawPointer](../globals.md#nativerawpointer)"QEvent" |
**Returns:** *void*
___
### addTopLevelItem
**addTopLevelItem**(`item`: [QTreeWidgetItem](qtreewidgetitem.md)): *void*
**Parameters:**
Name | Type |
------ | ------ |
`item` | [QTreeWidgetItem](qtreewidgetitem.md) |
**Returns:** *void*
___
### addTopLevelItems
**addTopLevelItems**(`items`: [QTreeWidgetItem](qtreewidgetitem.md)[]): *void*
**Parameters:**
Name | Type |
------ | ------ |
`items` | [QTreeWidgetItem](qtreewidgetitem.md)[] |
**Returns:** *void*
___
### adjustSize
**adjustSize**(): *void*
*Inherited from [QMenu](qmenu.md).[adjustSize](qmenu.md#adjustsize)*
**Returns:** *void*
___
### clear
**clear**(): *void*
**Returns:** *void*
___
### clearFocus
**clearFocus**(): *void*
*Inherited from [QMenu](qmenu.md).[clearFocus](qmenu.md#clearfocus)*
**Returns:** *void*
___
### close
**close**(): *boolean*
*Inherited from [QMenu](qmenu.md).[close](qmenu.md#close)*
**Returns:** *boolean*
___
### currentItem
**currentItem**(): *[QTreeWidgetItem](qtreewidgetitem.md) | void*
Returns the current item in the tree widget.
**Returns:** *[QTreeWidgetItem](qtreewidgetitem.md) | void*
___
### findItems
**findItems**(`text`: string, `flags`: [MatchFlag](../enums/matchflag.md), `column`: number): *[QTreeWidgetItem](qtreewidgetitem.md)[]*
**Parameters:**
Name | Type |
------ | ------ |
`text` | string |
`flags` | [MatchFlag](../enums/matchflag.md) |
`column` | number |
**Returns:** *[QTreeWidgetItem](qtreewidgetitem.md)[]*
___
### font
**font**(): *[QFont](qfont.md)*
*Inherited from [QMenu](qmenu.md).[font](qmenu.md#font)*
**Returns:** *[QFont](qfont.md)*
___
### frameRect
**frameRect**(): *[QRect](qrect.md)*
*Inherited from [NodeFrame](nodeframe.md).[frameRect](nodeframe.md#framerect)*
**Returns:** *[QRect](qrect.md)*
___
### frameShadow
**frameShadow**(): *[Shadow](../enums/shadow.md)*
*Inherited from [NodeFrame](nodeframe.md).[frameShadow](nodeframe.md#frameshadow)*
**Returns:** *[Shadow](../enums/shadow.md)*
___
### frameShape
**frameShape**(): *[Shape](../enums/shape.md)*
*Inherited from [NodeFrame](nodeframe.md).[frameShape](nodeframe.md#frameshape)*
**Returns:** *[Shape](../enums/shape.md)*
___
### frameStyle
**frameStyle**(): *number*
*Inherited from [NodeFrame](nodeframe.md).[frameStyle](nodeframe.md#framestyle)*
**Returns:** *number*
___
### frameWidth
**frameWidth**(): *number*
*Inherited from [NodeFrame](nodeframe.md).[frameWidth](nodeframe.md#framewidth)*
**Returns:** *number*
___
### geometry
**geometry**(): *[QRect](qrect.md)*
*Inherited from [QMenu](qmenu.md).[geometry](qmenu.md#geometry)*
**Returns:** *[QRect](qrect.md)*
___
### getFlexNode
**getFlexNode**(): *[FlexNode](../globals.md#flexnode)*
*Inherited from [YogaWidget](yogawidget.md).[getFlexNode](yogawidget.md#getflexnode)*
**Returns:** *[FlexNode](../globals.md#flexnode)*
___
### hasMouseTracking
**hasMouseTracking**(): *boolean*
*Inherited from [QMenu](qmenu.md).[hasMouseTracking](qmenu.md#hasmousetracking)*
**Returns:** *boolean*
___
### hide
**hide**(): *void*
*Inherited from [QMenu](qmenu.md).[hide](qmenu.md#hide)*
**Returns:** *void*
___
### inherits
**inherits**(`className`: string): *boolean*
*Inherited from [NodeObject](nodeobject.md).[inherits](nodeobject.md#inherits)*
**Parameters:**
Name | Type |
------ | ------ |
`className` | string |
**Returns:** *boolean*
___
### insertTopLevelItem
**insertTopLevelItem**(`index`: number, `item`: [QTreeWidgetItem](qtreewidgetitem.md)): *void*
**Parameters:**
Name | Type |
------ | ------ |
`index` | number |
`item` | [QTreeWidgetItem](qtreewidgetitem.md) |
**Returns:** *void*
___
### insertTopLevelItems
**insertTopLevelItems**(`index`: number, `items`: [QTreeWidgetItem](qtreewidgetitem.md)[]): *void*
**Parameters:**
Name | Type |
------ | ------ |
`index` | number |
`items` | [QTreeWidgetItem](qtreewidgetitem.md)[] |
**Returns:** *void*
___
### isActiveWindow
**isActiveWindow**(): *boolean*
*Inherited from [QMenu](qmenu.md).[isActiveWindow](qmenu.md#isactivewindow)*
**Returns:** *boolean*
___
### isEnabled
**isEnabled**(): *boolean*
*Inherited from [QMenu](qmenu.md).[isEnabled](qmenu.md#isenabled)*
**Returns:** *boolean*
___
### isVisible
**isVisible**(): *boolean*
*Inherited from [QMenu](qmenu.md).[isVisible](qmenu.md#isvisible)*
**Returns:** *boolean*
___
### lineWidth
**lineWidth**(): *number*
*Inherited from [NodeFrame](nodeframe.md).[lineWidth](nodeframe.md#linewidth)*
**Returns:** *number*
___
### lower
**lower**(): *void*
*Inherited from [QMenu](qmenu.md).[lower](qmenu.md#lower)*
**Returns:** *void*
___
### mapFromGlobal
**mapFromGlobal**(`pos`: [QPoint](qpoint.md)): *[QPoint](qpoint.md)*
*Inherited from [QMenu](qmenu.md).[mapFromGlobal](qmenu.md#mapfromglobal)*
**Parameters:**
Name | Type |
------ | ------ |
`pos` | [QPoint](qpoint.md) |
**Returns:** *[QPoint](qpoint.md)*
___
### mapFromParent
**mapFromParent**(`pos`: [QPoint](qpoint.md)): *[QPoint](qpoint.md)*
*Inherited from [QMenu](qmenu.md).[mapFromParent](qmenu.md#mapfromparent)*
**Parameters:**
Name | Type |
------ | ------ |
`pos` | [QPoint](qpoint.md) |
**Returns:** *[QPoint](qpoint.md)*
___
### mapToGlobal
**mapToGlobal**(`pos`: [QPoint](qpoint.md)): *[QPoint](qpoint.md)*
*Inherited from [QMenu](qmenu.md).[mapToGlobal](qmenu.md#maptoglobal)*
**Parameters:**
Name | Type |
------ | ------ |
`pos` | [QPoint](qpoint.md) |
**Returns:** *[QPoint](qpoint.md)*
___
### mapToParent
**mapToParent**(`pos`: [QPoint](qpoint.md)): *[QPoint](qpoint.md)*
*Inherited from [QMenu](qmenu.md).[mapToParent](qmenu.md#maptoparent)*
**Parameters:**
Name | Type |
------ | ------ |
`pos` | [QPoint](qpoint.md) |
**Returns:** *[QPoint](qpoint.md)*
___
### maximumSize
**maximumSize**(): *[QSize](qsize.md)*
*Inherited from [QMenu](qmenu.md).[maximumSize](qmenu.md#maximumsize)*
**Returns:** *[QSize](qsize.md)*
___
### maximumViewportSize
**maximumViewportSize**(): *[QSize](qsize.md)*
*Inherited from [QAbstractScrollArea](qabstractscrollarea.md).[maximumViewportSize](qabstractscrollarea.md#maximumviewportsize)*
**Returns:** *[QSize](qsize.md)*
___
### midLineWidth
**midLineWidth**(): *number*
*Inherited from [NodeFrame](nodeframe.md).[midLineWidth](nodeframe.md#midlinewidth)*
**Returns:** *number*
___
### minimumSize
**minimumSize**(): *[QSize](qsize.md)*
*Inherited from [QMenu](qmenu.md).[minimumSize](qmenu.md#minimumsize)*
**Returns:** *[QSize](qsize.md)*
___
### move
**move**(`x`: number, `y`: number): *void*
*Inherited from [QMenu](qmenu.md).[move](qmenu.md#move)*
**Parameters:**
Name | Type |
------ | ------ |
`x` | number |
`y` | number |
**Returns:** *void*
___
### objectName
**objectName**(): *string*
*Inherited from [NodeObject](nodeobject.md).[objectName](nodeobject.md#objectname)*
**Returns:** *string*
___
### pos
**pos**(): *object*
*Inherited from [QMenu](qmenu.md).[pos](qmenu.md#pos)*
**Returns:** *object*
* **x**: *number*
* **y**: *number*
___
### property
**property**(`name`: string): *[QVariant](qvariant.md)*
*Inherited from [NodeObject](nodeobject.md).[property](nodeobject.md#property)*
**Parameters:**
Name | Type |
------ | ------ |
`name` | string |
**Returns:** *[QVariant](qvariant.md)*
___
### raise
**raise**(): *void*
*Inherited from [QMenu](qmenu.md).[raise](qmenu.md#raise)*
**Returns:** *void*
___
### removeAction
**removeAction**(`action`: [QAction](qaction.md)): *void*
*Inherited from [QMenu](qmenu.md).[removeAction](qmenu.md#removeaction)*
**Parameters:**
Name | Type |
------ | ------ |
`action` | [QAction](qaction.md) |
**Returns:** *void*
___
### removeEventListener
**removeEventListener****SignalType**(`signalType`: SignalType, `callback`: QTreeWidgetSignals[SignalType]): *void*
*Inherited from [EventWidget](eventwidget.md).[removeEventListener](eventwidget.md#removeeventlistener)*
**Type parameters:**
**SignalType**: *keyof QTreeWidgetSignals*
**Parameters:**
Name | Type |
------ | ------ |
`signalType` | SignalType |
`callback` | QTreeWidgetSignals[SignalType] |
**Returns:** *void*
**removeEventListener**(`eventType`: [WidgetEventTypes](../enums/widgeteventtypes.md), `callback`: function): *void*
*Inherited from [EventWidget](eventwidget.md).[removeEventListener](eventwidget.md#removeeventlistener)*
**Parameters:**
**eventType**: *[WidgetEventTypes](../enums/widgeteventtypes.md)*
**callback**: *function*
▸ (`event?`: [NativeRawPointer](../globals.md#nativerawpointer)"QEvent"): *void*
**Parameters:**
Name | Type |
------ | ------ |
`event?` | [NativeRawPointer](../globals.md#nativerawpointer)"QEvent" |
**Returns:** *void*
___
### repaint
**repaint**(): *void*
*Inherited from [QMenu](qmenu.md).[repaint](qmenu.md#repaint)*
**Returns:** *void*
___
### repolish
**repolish**(): *void*
*Inherited from [QMenu](qmenu.md).[repolish](qmenu.md#repolish)*
**Returns:** *void*
___
### resize
**resize**(`width`: number, `height`: number): *void*
*Inherited from [QMenu](qmenu.md).[resize](qmenu.md#resize)*
**Parameters:**
Name | Type |
------ | ------ |
`width` | number |
`height` | number |
**Returns:** *void*
___
### selectedItems
**selectedItems**(): *[QTreeWidgetItem](qtreewidgetitem.md)[]*
**Returns:** *[QTreeWidgetItem](qtreewidgetitem.md)[]*
___
### setAcceptDrops
**setAcceptDrops**(`on`: boolean): *void*
*Inherited from [QMenu](qmenu.md).[setAcceptDrops](qmenu.md#setacceptdrops)*
**Parameters:**
Name | Type |
------ | ------ |
`on` | boolean |
**Returns:** *void*
___
### setAttribute
**setAttribute**(`attribute`: [WidgetAttribute](../enums/widgetattribute.md), `switchOn`: boolean): *void*
*Inherited from [QMenu](qmenu.md).[setAttribute](qmenu.md#setattribute)*
**Parameters:**
Name | Type |
------ | ------ |
`attribute` | [WidgetAttribute](../enums/widgetattribute.md) |
`switchOn` | boolean |
**Returns:** *void*
___
### setColumnCount
**setColumnCount**(`columnCount`: number): *void*
Sets the column count of this QTreeWidget.
**Parameters:**
Name | Type | Description |
------ | ------ | ------ |
`columnCount` | number | The number of columns. |
**Returns:** *void*
___
### setColumnWidth
**setColumnWidth**(`column`: number, `width`: number): *void*
Sets the width of column of this QTreeWidget.
**Parameters:**
Name | Type | Description |
------ | ------ | ------ |
`column` | number | The column index. |
`width` | number | The size of the columns. |
**Returns:** *void*
___
### setContextMenuPolicy
**setContextMenuPolicy**(`contextMenuPolicy`: [ContextMenuPolicy](../enums/contextmenupolicy.md)): *void*
*Inherited from [QMenu](qmenu.md).[setContextMenuPolicy](qmenu.md#setcontextmenupolicy)*
**Parameters:**
Name | Type |
------ | ------ |
`contextMenuPolicy` | [ContextMenuPolicy](../enums/contextmenupolicy.md) |
**Returns:** *void*
___
### setCursor
**setCursor**(`cursor`: [CursorShape](../enums/cursorshape.md) | [QCursor](qcursor.md)): *void*
*Inherited from [QMenu](qmenu.md).[setCursor](qmenu.md#setcursor)*
**Parameters:**
Name | Type |
------ | ------ |
`cursor` | [CursorShape](../enums/cursorshape.md) | [QCursor](qcursor.md) |
**Returns:** *void*
___
### setEnabled
**setEnabled**(`enabled`: boolean): *void*
*Inherited from [QMenu](qmenu.md).[setEnabled](qmenu.md#setenabled)*
**Parameters:**
Name | Type |
------ | ------ |
`enabled` | boolean |
**Returns:** *void*
___
### setFixedSize
**setFixedSize**(`width`: number, `height`: number): *void*
*Inherited from [QMenu](qmenu.md).[setFixedSize](qmenu.md#setfixedsize)*
**Parameters:**
Name | Type |
------ | ------ |
`width` | number |
`height` | number |
**Returns:** *void*
___
### setFlexNodeSizeControlled
**setFlexNodeSizeControlled**(`isSizeControlled`: boolean): *void*
*Inherited from [YogaWidget](yogawidget.md).[setFlexNodeSizeControlled](yogawidget.md#setflexnodesizecontrolled)*
sets whether the widget's size is controlled by someone else (for example a window's size is controlled by its frame when dragged).
**Parameters:**
Name | Type | Description |
------ | ------ | ------ |
`isSizeControlled` | boolean | |
**Returns:** *void*
___
### setFocus
**setFocus**(`reason`: [FocusReason](../enums/focusreason.md)): *void*
*Inherited from [QMenu](qmenu.md).[setFocus](qmenu.md#setfocus)*
**Parameters:**
Name | Type | Default |
------ | ------ | ------ |
`reason` | [FocusReason](../enums/focusreason.md) | FocusReason.OtherFocusReason |
**Returns:** *void*
___
### setFocusPolicy
**setFocusPolicy**(`policy`: [FocusPolicy](../enums/focuspolicy.md)): *void*
*Inherited from [QMenu](qmenu.md).[setFocusPolicy](qmenu.md#setfocuspolicy)*
**Parameters:**
Name | Type |
------ | ------ |
`policy` | [FocusPolicy](../enums/focuspolicy.md) |
**Returns:** *void*
___
### setFont
**setFont**(`font`: [QFont](qfont.md)): *void*
*Inherited from [QMenu](qmenu.md).[setFont](qmenu.md#setfont)*
**Parameters:**
Name | Type |
------ | ------ |
`font` | [QFont](qfont.md) |
**Returns:** *void*
___
### setFrameRect
**setFrameRect**(`r`: [QRect](qrect.md)): *void*
*Inherited from [NodeFrame](nodeframe.md).[setFrameRect](nodeframe.md#setframerect)*
**Parameters:**
Name | Type |
------ | ------ |
`r` | [QRect](qrect.md) |
**Returns:** *void*
___
### setFrameShadow
**setFrameShadow**(`type`: [Shadow](../enums/shadow.md)): *void*
*Inherited from [NodeFrame](nodeframe.md).[setFrameShadow](nodeframe.md#setframeshadow)*
**Parameters:**
Name | Type |
------ | ------ |
`type` | [Shadow](../enums/shadow.md) |
**Returns:** *void*
___
### setFrameShape
**setFrameShape**(`type`: [Shape](../enums/shape.md)): *void*
*Inherited from [NodeFrame](nodeframe.md).[setFrameShape](nodeframe.md#setframeshape)*
**Parameters:**
Name | Type |
------ | ------ |
`type` | [Shape](../enums/shape.md) |
**Returns:** *void*
___
### setFrameStyle
**setFrameStyle**(`style`: number): *void*
*Inherited from [NodeFrame](nodeframe.md).[setFrameStyle](nodeframe.md#setframestyle)*
**Parameters:**
Name | Type |
------ | ------ |
`style` | number |
**Returns:** *void*
___
### setGeometry
**setGeometry**(`x`: number, `y`: number, `w`: number, `h`: number): *void*
*Inherited from [QMenu](qmenu.md).[setGeometry](qmenu.md#setgeometry)*
**Parameters:**
Name | Type |
------ | ------ |
`x` | number |
`y` | number |
`w` | number |
`h` | number |
**Returns:** *void*
___
### setGraphicsEffect
**setGraphicsEffect**(`effect`: [QGraphicsEffect](qgraphicseffect.md)any): *void*
*Inherited from [QMenu](qmenu.md).[setGraphicsEffect](qmenu.md#setgraphicseffect)*
**Parameters:**
Name | Type |
------ | ------ |
`effect` | [QGraphicsEffect](qgraphicseffect.md)any |
**Returns:** *void*
___
### setHeaderHidden
**setHeaderHidden**(`hide`: boolean): *void*
**Parameters:**
Name | Type |
------ | ------ |
`hide` | boolean |
**Returns:** *void*
___
### setHeaderLabel
**setHeaderLabel**(`label`: string): *void*
Sets the header label.
**Parameters:**
Name | Type | Description |
------ | ------ | ------ |
`label` | string | The header label. |
**Returns:** *void*
___
### setHeaderLabels
**setHeaderLabels**(`labels`: string[]): *void*
Sets the header labels of the existing columns.
**Parameters:**
Name | Type | Description |
------ | ------ | ------ |
`labels` | string[] | The header labels for each column. |
**Returns:** *void*
___
### setHorizontalScrollBar
**setHorizontalScrollBar**(`scrollBar`: [QScrollBar](qscrollbar.md)): *void*
*Inherited from [QAbstractScrollArea](qabstractscrollarea.md).[setHorizontalScrollBar](qabstractscrollarea.md#sethorizontalscrollbar)*
**Parameters:**
Name | Type |
------ | ------ |
`scrollBar` | [QScrollBar](qscrollbar.md) |
**Returns:** *void*
___
### setHorizontalScrollBarPolicy
**setHorizontalScrollBarPolicy**(`policy`: [ScrollBarPolicy](../enums/scrollbarpolicy.md)): *void*
*Inherited from [QAbstractScrollArea](qabstractscrollarea.md).[setHorizontalScrollBarPolicy](qabstractscrollarea.md#sethorizontalscrollbarpolicy)*
**Parameters:**
Name | Type |
------ | ------ |
`policy` | [ScrollBarPolicy](../enums/scrollbarpolicy.md) |
**Returns:** *void*
___
### setInlineStyle
**setInlineStyle**(`style`: string): *void*
*Inherited from [QMenu](qmenu.md).[setInlineStyle](qmenu.md#setinlinestyle)*
**Parameters:**
Name | Type |
------ | ------ |
`style` | string |
**Returns:** *void*
___
### setItemWidget
**setItemWidget**(`item`: [QTreeWidgetItem](qtreewidgetitem.md), `column`: number, `widget`: [QWidget](qwidget.md)): *void*
Sets the given widget to be displayed in the cell specified by the given item and column.
**Parameters:**
Name | Type | Description |
------ | ------ | ------ |
`item` | [QTreeWidgetItem](qtreewidgetitem.md) | The targeted item. |
`column` | number | The column in which to show the edit widget. |
`widget` | [QWidget](qwidget.md) | The edit widget. |
**Returns:** *void*
___
### setLayout
**setLayout**(`parentLayout`: [NodeLayout](nodelayout.md)[QTreeWidgetSignals](../interfaces/qtreewidgetsignals.md)): *void*
*Inherited from [QMenu](qmenu.md).[setLayout](qmenu.md#setlayout)*
**Parameters:**
Name | Type |
------ | ------ |
`parentLayout` | [NodeLayout](nodelayout.md)[QTreeWidgetSignals](../interfaces/qtreewidgetsignals.md) |
**Returns:** *void*
___
### setLineWidth
**setLineWidth**(`width`: number): *void*
*Inherited from [NodeFrame](nodeframe.md).[setLineWidth](nodeframe.md#setlinewidth)*
**Parameters:**
Name | Type |
------ | ------ |
`width` | number |
**Returns:** *void*
___
### setMaximumSize
**setMaximumSize**(`maxw`: number, `maxh`: number): *void*
*Inherited from [QMenu](qmenu.md).[setMaximumSize](qmenu.md#setmaximumsize)*
**Parameters:**
Name | Type |
------ | ------ |
`maxw` | number |
`maxh` | number |
**Returns:** *void*
___
### setMidLineWidth
**setMidLineWidth**(`width`: number): *void*
*Inherited from [NodeFrame](nodeframe.md).[setMidLineWidth](nodeframe.md#setmidlinewidth)*
**Parameters:**
Name | Type |
------ | ------ |
`width` | number |
**Returns:** *void*
___
### setMinimumSize
**setMinimumSize**(`minw`: number, `minh`: number): *void*
*Inherited from [QMenu](qmenu.md).[setMinimumSize](qmenu.md#setminimumsize)*
**Parameters:**
Name | Type |
------ | ------ |
`minw` | number |
`minh` | number |
**Returns:** *void*
___
### setMouseTracking
**setMouseTracking**(`isMouseTracked`: boolean): *void*
*Inherited from [QMenu](qmenu.md).[setMouseTracking](qmenu.md#setmousetracking)*
**Parameters:**
Name | Type |
------ | ------ |
`isMouseTracked` | boolean |
**Returns:** *void*
___
### setNodeParent
**setNodeParent**(`parent?`: [Component](component.md)): *void*
*Inherited from [Component](component.md).[setNodeParent](component.md#setnodeparent)*
**Parameters:**
Name | Type |
------ | ------ |
`parent?` | [Component](component.md) |
**Returns:** *void*
___
### setObjectName
**setObjectName**(`objectName`: string): *void*
*Inherited from [QMenu](qmenu.md).[setObjectName](qmenu.md#setobjectname)*
*Overrides [NodeObject](nodeobject.md).[setObjectName](nodeobject.md#setobjectname)*
**Parameters:**
Name | Type |
------ | ------ |
`objectName` | string |
**Returns:** *void*
___
### setProperty
**setProperty**(`name`: string, `value`: [QVariantType](../globals.md#qvarianttype)): *boolean*
*Inherited from [NodeObject](nodeobject.md).[setProperty](nodeobject.md#setproperty)*
**Parameters:**
Name | Type |
------ | ------ |
`name` | string |
`value` | [QVariantType](../globals.md#qvarianttype) |
**Returns:** *boolean*
___
### setSortingEnabled
**setSortingEnabled**(`enable`: boolean): *void*
Sets if columns can be sorted by clicking on its header
**Parameters:**
Name | Type | Description |
------ | ------ | ------ |
`enable` | boolean | Sorting enabled or disabled |
**Returns:** *void*
___
### setStyleSheet
**setStyleSheet**(`styleSheet`: string): *void*
*Inherited from [QMenu](qmenu.md).[setStyleSheet](qmenu.md#setstylesheet)*
**Parameters:**
Name | Type |
------ | ------ |
`styleSheet` | string |
**Returns:** *void*
___
### setVerticalScrollBar
**setVerticalScrollBar**(`scrollBar`: [QScrollBar](qscrollbar.md)): *void*
*Inherited from [QAbstractScrollArea](qabstractscrollarea.md).[setVerticalScrollBar](qabstractscrollarea.md#setverticalscrollbar)*
**Parameters:**
Name | Type |
------ | ------ |
`scrollBar` | [QScrollBar](qscrollbar.md) |
**Returns:** *void*
___
### setVerticalScrollBarPolicy
**setVerticalScrollBarPolicy**(`policy`: [ScrollBarPolicy](../enums/scrollbarpolicy.md)): *void*
*Inherited from [QAbstractScrollArea](qabstractscrollarea.md).[setVerticalScrollBarPolicy](qabstractscrollarea.md#setverticalscrollbarpolicy)*
**Parameters:**
Name | Type |
------ | ------ |
`policy` | [ScrollBarPolicy](../enums/scrollbarpolicy.md) |
**Returns:** *void*
___
### setViewport
**setViewport**(`widget`: [NodeWidget](nodewidget.md)any): *void*
*Inherited from [QAbstractScrollArea](qabstractscrollarea.md).[setViewport](qabstractscrollarea.md#setviewport)*
**Parameters:**
Name | Type |
------ | ------ |
`widget` | [NodeWidget](nodewidget.md)any |
**Returns:** *void*
___
### setWindowFlag
**setWindowFlag**(`windowType`: [WindowType](../enums/windowtype.md), `switchOn`: boolean): *void*
*Inherited from [QMenu](qmenu.md).[setWindowFlag](qmenu.md#setwindowflag)*
**Parameters:**
Name | Type |
------ | ------ |
`windowType` | [WindowType](../enums/windowtype.md) |
`switchOn` | boolean |
**Returns:** *void*
___
### setWindowIcon
**setWindowIcon**(`icon`: [QIcon](qicon.md)): *void*
*Inherited from [QMenu](qmenu.md).[setWindowIcon](qmenu.md#setwindowicon)*
**Parameters:**
Name | Type |
------ | ------ |
`icon` | [QIcon](qicon.md) |
**Returns:** *void*
___
### setWindowOpacity
**setWindowOpacity**(`opacity`: number): *void*
*Inherited from [QMenu](qmenu.md).[setWindowOpacity](qmenu.md#setwindowopacity)*
**Parameters:**
Name | Type |
------ | ------ |
`opacity` | number |
**Returns:** *void*
___
### setWindowState
**setWindowState**(`state`: [WindowState](../enums/windowstate.md)): *void*
*Inherited from [QMenu](qmenu.md).[setWindowState](qmenu.md#setwindowstate)*
**Parameters:**
Name | Type |
------ | ------ |
`state` | [WindowState](../enums/windowstate.md) |
**Returns:** *void*
___
### setWindowTitle
**setWindowTitle**(`title`: string): *void*
*Inherited from [QMenu](qmenu.md).[setWindowTitle](qmenu.md#setwindowtitle)*
**Parameters:**
Name | Type |
------ | ------ |
`title` | string |
**Returns:** *void*
___
### show
**show**(): *void*
*Inherited from [QMenu](qmenu.md).[show](qmenu.md#show)*
**Returns:** *void*
___
### showFullScreen
**showFullScreen**(): *void*
*Inherited from [QMenu](qmenu.md).[showFullScreen](qmenu.md#showfullscreen)*
**Returns:** *void*
___
### showMaximized
**showMaximized**(): *void*
*Inherited from [QMenu](qmenu.md).[showMaximized](qmenu.md#showmaximized)*
**Returns:** *void*
___
### showMinimized
**showMinimized**(): *void*
*Inherited from [QMenu](qmenu.md).[showMinimized](qmenu.md#showminimized)*
**Returns:** *void*
___
### showNormal
**showNormal**(): *void*
*Inherited from [QMenu](qmenu.md).[showNormal](qmenu.md#shownormal)*
**Returns:** *void*
___
### size
**size**(): *[QSize](qsize.md)*
*Inherited from [QMenu](qmenu.md).[size](qmenu.md#size)*
**Returns:** *[QSize](qsize.md)*
___
### styleSheet
**styleSheet**(): *string*
*Inherited from [QMenu](qmenu.md).[styleSheet](qmenu.md#stylesheet)*
**Returns:** *string*
___
### takeTopLevelItem
**takeTopLevelItem**(`index`: number): *[QTreeWidgetItem](qtreewidgetitem.md) | void*
**Parameters:**
Name | Type |
------ | ------ |
`index` | number |
**Returns:** *[QTreeWidgetItem](qtreewidgetitem.md) | void*
___
### testAttribute
**testAttribute**(`attribute`: [WidgetAttribute](../enums/widgetattribute.md)): *boolean*
*Inherited from [QMenu](qmenu.md).[testAttribute](qmenu.md#testattribute)*
**Parameters:**
Name | Type |
------ | ------ |
`attribute` | [WidgetAttribute](../enums/widgetattribute.md) |
**Returns:** *boolean*
___
### update
**update**(): *void*
*Inherited from [QMenu](qmenu.md).[update](qmenu.md#update)*
**Returns:** *void*
___
### updateGeometry
**updateGeometry**(): *void*
*Inherited from [QMenu](qmenu.md).[updateGeometry](qmenu.md#updategeometry)*
**Returns:** *void*
___
### viewport
**viewport**(): *[QWidget](qwidget.md)*
*Inherited from [QAbstractScrollArea](qabstractscrollarea.md).[viewport](qabstractscrollarea.md#viewport)*
**Returns:** *[QWidget](qwidget.md)*
___
### windowOpacity
**windowOpacity**(): *number*
*Inherited from [QMenu](qmenu.md).[windowOpacity](qmenu.md#windowopacity)*
**Returns:** *number*
___
### windowState
**windowState**(): *number*
*Inherited from [QMenu](qmenu.md).[windowState](qmenu.md#windowstate)*
**Returns:** *number*
___
### windowTitle
**windowTitle**(): *string*
*Inherited from [QMenu](qmenu.md).[windowTitle](qmenu.md#windowtitle)*
**Returns:** *string*