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[Bug 1561654] [NEW] Icon creates binding loop on implicitWidth and implicitHeight when used with QT_DEVICE_PIXEL_RATIO

To: ubuntu-sdk-bugs@xxxxxxxxxxxxxxxxxxx
From: Andrea Bernabei <andrea.bernabei@xxxxxxxxxxxxx>
Date: Thu, 24 Mar 2016 17:39:06 -0000
Reply-to: Bug 1561654 <1561654@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Public bug reported:

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

How to reproduce:
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"
    }
}

** Affects: ubuntu-ui-toolkit (Ubuntu)
     Importance: High
     Assignee: Tim Peeters (tpeeters)
         Status: New

** Changed in: ubuntu-ui-toolkit (Ubuntu)
     Assignee: (unassigned) => Tim Peeters (tpeeters)

** Changed in: ubuntu-ui-toolkit (Ubuntu)
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1561654

Title:
  Icon creates binding loop on implicitWidth and implicitHeight when
  used with QT_DEVICE_PIXEL_RATIO

Status in ubuntu-ui-toolkit package in Ubuntu:
  New

Bug description:
  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

  How to reproduce:
  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"
      }
  }

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