You need to use boost's custom combinator. See here: http://stackoverflow.com/questions/2009605/is-there-a-way-to-stop-a-boostsignal-from-calling-its-slots-if-one-of-them-retu/2011983#2011983
2010/4/24 Sven Knoblich <[email protected]> > Hello Dmitry, > at first, i need a place where i can store my signals. The second is a > method which is called each update. This method have to check the flags of > the signals and emit the signals which are set to true. Therefore i need an > access to link my method to the loop mechanism. If "notify" is a method > which is called each update, then this is a way to hook my method to that > mexhanism (by overload notify). > > Thanks, Sven > > > > Am 23.04.2010 um 22:12 schrieb Dmitriy Igrishin <[email protected]>: > > Sorry, I didn't clearly understand what do you want to implement, > but if you want to have some control on event propagation to > you application besides the contructor you may want to > reimplement WApplication::notify() method. > But as I understand, all that you want is to implement > pagination? > > Regards, > Dmitriy Igrishin > > 2010/4/23 Sven Knoblich < <[email protected]>[email protected]> > >> Hallo Dmitry, >> thanks for your suggestion. Do you also know how i can connect a update >> method with the loop mechanism from wt.The emit call has to be only on one >> place of the mainloop. Each nextPage-Call only set the update Flag of a >> signal. The check method which is called each update check the Flag and emit >> the signals. Any idea, where i can implement or override such a method? >> >> Thanks, Sven >> >> >> >> Am 23.04.2010 um 17:48 schrieb Dmitriy Igrishin < <[email protected]> >> [email protected]>: >> >> You may do it by implementing the widget (container) with a slot >> inside, which will replace the current widget ("page") with next widget >> ("page") in some place on the page where you want. >> >> class MyWidget : public Wt::WContainerWidget { >> // code >> private: >> Wt::WContainerWidget* page_; >> Wt::WContainerWidget* paginator_; // emits the signal, e.g., >> "internalPathChanged", or clicked.... >> void nextPage(); // slot. Loads new page to the page_ >> // code >> }; >> >> Regards, >> Dmitriy Igrishin >> >> 2010/4/23 Sven Knoblich < <[email protected]> <[email protected]> >> [email protected]> >> >>> Thanks for your response. I was wrong by using The internal EventSignal. >>> Are there possibilities to register my Signals on the existing signal >>> handler of WApplication or WContainerWidget? I want to handle my own Signals >>> on à Central place. Currently i have a pagehandler which inherits from >>> WApplication an Pages which inherit from WContainerWidget. When i want to >>> load the next page, i want to call a method from my pagehandler >>> "nextpage()". To avoid a selfdestruction by a call from a page i want to >>> set the updateflag of The Signal to true. When now The Signal handler ask >>> for this flag, the signal will be called by call emit. >>> >>> Any idea where to integrate ore which handler i can use? >>> >>> Many thanks in advance, >>> Sven >>> >>> >>> ------------------------------------------------------------------------------ >>> _______________________________________________ >>> witty-interest mailing list >>> >>> <[email protected]><[email protected]> >>> [email protected] >>> >>> <https://lists.sourceforge.net/lists/listinfo/witty-interest><https://lists.sourceforge.net/lists/listinfo/witty-interest> >>> https://lists.sourceforge.net/lists/listinfo/witty-interest >>> >> >> >> ------------------------------------------------------------------------------ >> >> _______________________________________________ >> witty-interest mailing list >> <[email protected]> >> [email protected] >> <https://lists.sourceforge.net/lists/listinfo/witty-interest> >> https://lists.sourceforge.net/lists/listinfo/witty-interest >> >> >> >> ------------------------------------------------------------------------------ >> >> _______________________________________________ >> witty-interest mailing list >> <[email protected]> >> [email protected] >> <https://lists.sourceforge.net/lists/listinfo/witty-interest> >> https://lists.sourceforge.net/lists/listinfo/witty-interest >> >> > > ------------------------------------------------------------------------------ > > _______________________________________________ > witty-interest mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/witty-interest > > > > ------------------------------------------------------------------------------ > > _______________________________________________ > witty-interest mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/witty-interest > >
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