Unsolved Qt 5.10 Drag and drop
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Hi and welcome to devnet,
If you can create a minimal compilable example that shows the difference of behaviour between the two Qt versions then you may have found something.
You can also check the bug report system.
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Thank you for answering and welcoming me :)
I found this bug that could be related to mine.
Here is a minimal code that reproduce my problem:
import QtQuick 2.7 import QtQuick.Controls 2.0 ApplicationWindow { visible: true width: 640 height: 480 title: qsTr("Hello World") Rectangle { id: container anchors.fill: parent color: "#fefefe" width: 640 height: 480 DropArea{ id: dropArea anchors.fill: parent onDropped: console.log("drop handler") } MouseArea { id: mouseArea drag.target: dragButton drag.axis: Drag.XAndYAxis anchors.right: parent.right anchors.top: parent.top width: 80 height: 80 Rectangle { id: dragButton color: "#ff0000" anchors.fill: parent Drag.active: mouseArea.drag.active Drag.dragType: Drag.Automatic } } states: [ State { name: "dragState" when: dropArea.containsDrag PropertyChanges { target: container color: "#777777" } } ] } }
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@Entrevrak Hello, I think if you use Connexion insted of binding (onDropped ) it will work again.
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@LeLev Hello,
If you meant:
Connections { target: dropArea onDropped: { console.log("drop handler") } }
No it does not work.
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@Entrevrak then sorry :/ i don't have auther idea
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Can you describe what should happen ?
On my system with both 5.10 and 5.8 (using qmlscene to run your sample) I have a red square that doesn't move but the
onDropped
slot gets called. -
Sorry I hope my next explanation will be better.
The only thing my sample code should do is on drag and drop from the red square to the dropArea.
But in Qt 5.10, I can keep doing drag and drop event from anywhere in the window.
Here is a gif showing the problem:
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Ok, so just to be sure:
- Drag the red square once
- Drop
- Drag can now be done from anywhere else
Is that correct ?
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Yes, correct.
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Then I don’t have that behavior on macOS with my 5.10 build.
I’ll check with the official release.
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You're right I tested out on macOS and the problem wasn't there.
I tried on Windows 7 and Windows 10 and both have the problem.Thanks for the info, I did not thought of testing on another OS.