Public bug reported:
ubuntu-ui-toolkit r2079
The fix to bug #1608897 created another issue.
The code that checks if the thumb is being hovered currently only checks
the y position of the input event, an optimization that worked well with
the previous assumption that releasing mouse would always reset the
hover state (but that was causing bug #1608897).
There were, in fact, 2 cases before:
- input device moves away (no pressed buttons) -> onExited is fired -> hover is
reset
- input device moves away while press-hold is in progress --> onRelease will
reset hover
Now that the behaviour changed and release does not reset the hover
state, we obviously need to check both x and y position
** Affects: canonical-devices-system-image
Importance: Undecided
Status: New
** Affects: ubuntu-ui-toolkit (Ubuntu)
Importance: High
Assignee: Andrea Bernabei (faenil)
Status: New
** Affects: ubuntu-ui-toolkit (Ubuntu RTM)
Importance: Undecided
Assignee: Andrea Bernabei (faenil)
Status: New
** Changed in: ubuntu-ui-toolkit (Ubuntu)
Assignee: (unassigned) => Andrea Bernabei (faenil)
** Changed in: ubuntu-ui-toolkit (Ubuntu)
Importance: Undecided => High
** Also affects: ubuntu-ui-toolkit (Ubuntu RTM)
Importance: Undecided
Status: New
** Also affects: canonical-devices-system-image
Importance: Undecided
Status: New
** Changed in: ubuntu-ui-toolkit (Ubuntu RTM)
Assignee: (unassigned) => Andrea Bernabei (faenil)
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https://bugs.launchpad.net/bugs/1616926
Title:
Scrollbar thumb shows as hovered after mouse is released outside the
thumb
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