Hi,
I am using Qx v 1.4.1. and I ran into a an issue around "tabbing" through
controls as this is implemented in FocusHandler.js. I do not set the tabIndex
explicitely on widgets and therefore the code falls back to the position and
eventually the Z-order.
The code marked by the comment "// Sort-Check #2: Top-Position" doesn't always
work for me because it checks on the top of widgets to exactly match:
// Sort-Check #2: Top-Position
if (loc1.top != loc2.top) {
return loc1.top - loc2.top;
}
This is not always the case in my layout and I still would like the behaviour
of tabbing from left to right to controls. As an example of such a layout the
following "example" with a checkbox in front of a control to implement optional
behaviour for the value of the actual control:
______________
X | some control |
---------------------
When in the control and pressing SHIFT + TAB I expect to end up with a checkbox
having focus but that is not the case.
I tested with a slight adjustment of the code in FocusHandler.__compareTabOrder
like this
// Sort-Check #2: Top-Position
if (loc1.top != loc2.top) {
// Fallback for slight layout issues, e.g. the top of two controls
// differs by a (few) pixel(s)
if ((loc2.bottom < loc1.top) || (loc2.top > loc1.bottom)) {
// loc2 does not have an overlap in vertical coordinates otherwise
// we fallback to the diff on "left"
return loc1.top - loc2.top;
}
}
Looking at an overlop in the vertical position of widgets rather than an exact
match.
My question is:
- What do you think of this idea?
- Is this something that could be adjusted/patched in future versions?
Groeten,
Jeroen
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