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fix: disable progressdialog's autoreset

shenleban tongying requested to merge slbtongying/kdialog:fix/100_progress into master

CCBUG: 450015

QProgressDialog has a default autoreset turned on which will reset the progress bar when max value reached and it will prevents 100% being shown

The source of truth is here: https://github.com/qt/qtbase/blame/bd99d02123dcb9e406d06605fe0fa8a9d2cea3a4/src/widgets/dialogs/qprogressdialog.cpp#L655-L657

I don't know why QProgressDialog have autoreset while QProgressBar don't, but it is there for at least 10 years.

To test this:

dbusRef=`kdialog --progressbar "init val" 3`
qdbus $dbusRef Set "" value 1
sleep 1
qdbus $dbusRef Set "" value 2
sleep 1
qdbus $dbusRef Set "" value 3
sleep 1

image

Edited by shenleban tongying

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