yeah, i'm using _updating = false in my application also. This is the
best workaround i found.
29.12.2014 19:45, ok1...@centrum.cz пишет:
Hi,
I've found a bug in ComboBox.qml used in Jolla phone. I wrote an application
using pyotherside. During initialization, it populates combobox and sets the
currentIndex to saved value. The problem is, that setting the currentIndex does
nothing.
ComboBox.qml uses weird timer to delay some tasks. When you change currentIndex
before that timer is triggered, it ignores the change.
Connections {
target: comboBox.menu ? comboBox.menu._contentColumn : null
onChildrenChanged: {
// delay the reload in case there are more children changes to come
if (!updateCurrentTimer.running) {
_updating = true
updateCurrentTimer.start()
}
}
}
VS.
onCurrentIndexChanged: {
_currentIndexSet = true
if (_completed && !_updating) {
_updating = true
_updateCurrent(currentIndex, null)
_updating = false
}
}
My application does something like:
function foo(result) {
for(var i=0; i<result.length; ++i)
combolistmodel.append({index:i, text:result[i]});
}
foo(['abc','def','foo','bar','baz']);
// comboid._updating = 0; // REQUIRED WORKAROUND
comboid.currentIndex=3;
Whey I force the _updating to 'false', it works. Also if I set the correntIndex
in a timer some time later, it works.
I've tested following workaround:
onCurrentIndexChanged: {
_currentIndexSet = true
if (_completed) {
if (updateCurrentTimer.running) {
var save_currentIndex = currentIndex;
updateCurrentTimer.stop()
updateCurrentTimer.onTriggered()
currentIndex = save_currentIndex;
}
if (!_updating) {
_updating = true
_updateCurrent(currentIndex, null)
_updating = false
}
}
}
But it still seems odd to me to use a timer in in a combobox.
Whole reproducer: http://fpaste.org/164044/59940141/
Code causing this problem: http://fpaste.org/163881/97171141/
Tested workaround: http://fpaste.org/164045/85997614/
Michal
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