touch-packages team mailing list archive

[Tim Peeters <1531016@xxxxxxxxxxxxxxxxxx>]

The problem occurs when the Page is changing its height when scrolling.
The problem does not occur though with a Flickable or ListView instead
of the GridView, or when there are no Tabs to hold the Page.

To work around this in the example code, you can set the width and
height of the Page to the width and height of the MainView.

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https://bugs.launchpad.net/bugs/1531016

Title:
  GridView that is inside tabs or pagestack on desktop judders when the
  header scrolls in/out

Status in ubuntu-ui-toolkit package in Ubuntu:
  In Progress

Bug description:
  GridView that is inside tabs or pagestack on desktop judders when the
  header scrolls in/out

  What happened:
  1) Create gridview that is inside tabs [0] or pagestack
  2) Open the application on desktop
  3) Attempt to scroll up/down (using the mouse wheel or touchpad scroll)
  4) Notice that as the header is shown/hidden it judders and isn't smooth

  What I expected to happen:
  At step 4 for the header to slide in/out smoothly

  It should also be noted if you click and drag, this is not affected and the header correctly slides out.
  Furthermore this only appears to happen if it is inside a Tab or PageStack, if you just have a MainView -> Page -> GridView its fine.

  0 - http://pastebin.ubuntu.com/14405486/

  $ lsb_release -rd
  Description:	Ubuntu 15.10
  Release:	15.10
  $ apt-cache policy qtdeclarative5-ubuntu-ui-toolkit-plugin
  qtdeclarative5-ubuntu-ui-toolkit-plugin:
    Installed: 1.3.1627+15.10.20150908-0ubuntu1
    Candidate: 1.3.1627+15.10.20150908-0ubuntu1
    Version table:
   *** 1.3.1627+15.10.20150908-0ubuntu1 0
          500 http://gb.archive.ubuntu.com/ubuntu/ wily/main amd64 Packages
          100 /var/lib/dpkg/status

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