https://bugs.kde.org/show_bug.cgi?id=447358
--- Comment #1 from Juraj <jurajora...@mailo.com> ---
After another round of debugging I found that the crash is caused in the check
code:
> while (m_widget->toolTip().isEmpty()) {
> m_widget = m_widget->parentWidget();
> if (!m_widget) {
> return false;
> }
> }
> if (m_widget->whatsThis().isEmpty()) {
> if (m_widget->toolTip() == whatsThisHintOnly()) {
> return true;
> }
> return false;
> }
And the crash is triggered on both `m_widget->toolTip()` and
`m_widget->whatsThis()` calls.
If I comment one half the other will crash.
If I comment both the tooltip will be shown and there will be no crash.
Somehow calling either toolTip() or whatsThis() is bad and crashes the program
but when the toolTip() is called as the parameter of the function
showExpandableToolTip everything is fine and programs is happy.
These results were obtained by compiling the code with kdesrc-build and as test
program for tray icon I used akregator.
My setup is OpenBox with tint2 panel/tray.
The version of this file before this change is working fine.
Working commit: ecd7cefd
Crashing commit (and later): 84682615
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