On Fri, Sep 12, 2008 at 10:42:59AM +0200, Jose M. Sanchez wrote:
>
> Hi,
>
> I have different widgets created in a generic way with slots connected
> to the same method. How can I know which widget triggered the event?
>
> void Test::createWidgets()
> {
> WText *text1 = new WText(...);
> WText *text2 = new WText(...);
> WText *text3 = new WText(...);
>
> text1->clicked.connect(SLOT(this, Test::onClick));
> text2->clicked.connect(SLOT(this, Test::onClick));
> text3->clicked.connect(SLOT(this, Test::onClick));
> }
>
>
>
> void Test::onClick()
> {
> // how do I know here which WText was clicked?
>
> WObject *sender = clicked.sender();
> // sender() is the instance of the Test class, not the WText widget
> }
You want to use WSignalMapper! The example given in the documentation
for that class if I remember was quite confusing. So here is what you
want instead (completly from heart I am probably fully wrong here)
void Test::createWidgets()
{
WSignalMapper<WText*> MyMap* = new WSignalMapper<WText*>(this);
MyMap->mapped.connect(SLOT(this,Test::onClick));
MyMap->mapConnect(text1->clicked,text1);
MyMap->mapConnect(text2->clicked,text2);
MyMap->mapConnect(text3->clicked,text3);
}
void Test::onClick(WText* source)
{
// source is where it is coming from
}
cu bart
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