[Interest] suppressing tooltips of all widgets

[Frank Rueter | OHUfx]

DOH, ignore that last bit.
I wrongly assumed that I need to install event filters to QApplication 
instances when in fact I can install them to any QObject.
So there is no need to mess with enter and leave events.
Nice

On 12/01/17 1:35 PM, Frank Rueter | OHUfx wrote:
> Thanks guys, works perfectly.
>
> Since my app will run inside of another host application I just need 
> to make sure to install the event to QApplication.instance()
> in my main widget's enterEvent and uninstall it again in the 
> leaveEvent to avoid processing the host application's events.
> But that should be ok, right?!
>
> Thanks again!
> frank
>
>
> On 12/01/17 1:13 PM, william.crocker at analog.com wrote:
>> On 01/11/2017 06:37 PM, Frank Rueter | OHUfx wrote:
>>> Thanks Giuseppe,
>>> I will check out both those options and report back.
>>>
>>> On 12/01/17 12:15 PM, Giuseppe D'Angelo wrote:
>>>> Il 12/01/2017 00:02, Frank Rueter | OHUfx ha scritto:
>>>>> Is there any way to intercept a any tool tip even from anywhere in 
>>>>> the app?
>>>> Install a global event filter on QApplication, and filter out all
>>>> QEvent::ToolTip events? (Never tried myself, so take it with a 
>>>> grain of
>>>> salt.)
>>>>
>>
>> Yes. That is how I have been doing it for years.
>>
>> class GlobalEventFilter : public QObject {
>>     Q_OBJECT
>>     typedef QObject BaseClass;
>>   public:
>>     GlobalEventFilter( QObject *parent ) : BaseClass(parent) { }
>>   protected:
>>     bool eventFilter(QObject*,QEvent*);
>> };
>>
>> bool
>> GlobalEventFilter::eventFilter( QObject *op, QEvent *ep ) {
>>     if( ep->type() == QEvent::ToolTip && !CommandLineArg::s_DoToolTips )
>>         return true;    // Filter out.
>>     return BaseClass::eventFilter(op,ep);
>> }
>>
>> ...
>> GlobalEventFilter *mp = new GlobalEventFilter(s_QtApp);
>> my_qt_app->installEventFilter(mp);
>> ...
>>
>> Bill
>>
>>>> Another option: install a QProxyStyle and return a wait period for
>>>> showing tooltips ridiculously high (INT_MAX).
>>>>
>>>> HTH,
>>>>
>>>>
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>>>
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