This warning category is spelled
[unqualified]
by qmllint.
You accessed a parent element without its id .
This makes the code harder to read and impedes performance.
import QtQuick Item { property int helloWorld Item { property int unqualifiedAccess: helloWorld + 1 // not ok: Unqualified access here. } }
To fix this warning, refer to the parent object by id . You will need to add an id first if the object currently has none.
import QtQuick Item { id: root property int helloWorld Item { property int unqualifiedAccess: root.helloWorld + 1 // ok: this access is qualified now! } }
You used an attached property type or grouped property that can't be found. This can be caused by a typo or by a missing QML module dependency.
注意： If you are importing QML modules with external dependencies, verify that they are actually installed and inside an import 路径 .
Components with unknown attached property scopes or unknown grouped properties will not be created at runtime: they will be null instead.
Let's try to use the (inexistent) attached property of
Item
or the (inexistent) grouped property
grouped
of
Item
:
import QtQuick Item { Item.helloAttached: 44 // not ok: unknown attached property scope Item. [unqualified] grouped.helloGrouped: 44 // not ok: unknown grouped property scope grouped. [unqualified] }
Indeed,
Item
does neither have any attached type nor any grouped property called
item
. To fix this warning, remove the attached type and the grouped property.
参考 附加特性和附加信号处理程序 on how to use attached properties and to 分组特性 on how to use grouped properties.
You used a 信号处理程序 on a signal that can't be found. This can be caused by a typo in the signal handler or by a missing QML module dependency.
注意：
The name of a signal handler is
on
concatenated with the capitalized signal name.
onHelloWorld
handles the signal
helloWorld
and
on_helloWorld
处理
_helloWorld
，例如。
注意： If you are importing QML modules with external dependencies, verify that they are actually installed and inside an import 路径 .
Components with unknown signal handlers will not be created at runtime: they will be null instead.
Lets try to write a signal handler for the (inexistent) signal
mySignal
:
import QtQuick Item { onMySignal: console.log("hello") // not ok: no matching signal found for handler "onMySignal" [unqualified] }
Indeed, this
Item
does not have any signal called
mySignal
. To fix this warning, remove the signal handler or add the missing signal.
You used a signal handler on a Connections 类型。
This is deprecated.
import QtQuick Window { id: root property int myInt Connections { target: root onMyIntChanged: console.log("new int", myInt) } }
To fix this warning, replace the signal handler binding with a function:
import QtQuick Window { id: root property int myInt Connections { target: root function onMyIntChanged() { console.log("new int", myInt) } } }
