** Description changed:
Ubuntu UI Toolkit r1905
Description:
- When QT_DEVICE_PIXEL_RATIO>1 is set, using Icon without specifying an
explicit size causes binding loops on implicitWidth (and also implicitHeight
+ Using Icon without specifying an explicit size causes binding loops on
implicitWidth (and also implicitHeight)
How to reproduce:
- QT_DEVICE_PIXEL_RATIO=2 qmlscene main.qml
+
+ ===========
+ test case 1: QT_DEVICE_PIXEL_RATIO=2 qmlscene main.qml
where main.qml is:
import QtQuick 2.4
import Ubuntu.Components 1.3
MainView {
id: gallery
Icon {
name: "add"
}
}
-
===========
- test case 2 (without setting QT_DEVICE_PIXEL_RATIO). Note, depending on
+ test case 2: (without setting QT_DEVICE_PIXEL_RATIO). Note, depending on
what else is in the layout, this can freeze the app on rotation and
similar. Don't have a test case atm but will attach one when I come by
such a freeze next time.
import QtQuick 2.4
import Ubuntu.Components 1.3
import QtQuick.Layouts 1.1
+ MainView {
+ width: units.gu(100)
+ height: units.gu(75)
- MainView {
- width: units.gu(100)
- height: units.gu(75)
-
- RowLayout {
- anchors.centerIn: parent
- Icon {
- Layout.preferredHeight: units.gu(2)
- Layout.preferredWidth: units.gu(2)
- name: "tick"
- }
- }
+ RowLayout {
+ anchors.centerIn: parent
+ Icon {
+ Layout.preferredHeight: units.gu(2)
+ Layout.preferredWidth: units.gu(2)
+ name: "tick"
+ }
+ }
}
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https://bugs.launchpad.net/bugs/1561654
Title:
Icon creates binding loop on implicitWidth and implicitHeight
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