Qt connect slot en annan klass

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Hi! Here is a small example how to do it similar to how you already tried it. I will also write another posting with what I think is better practice. stuff.h #ifndef STUFF_H #define STUFF_H #include class Stuff : public QObject { Q_OBJECT public: The QSlotObject is a wrapper around the slot that will help calling it. It also knows the type of the signal arguments so it can do the proper type conversion. We use List_Left to only pass the same number as argument as the slot, which allows connecting a signal with many arguments to a slot with less arguments. It extends Qt's signals and slots mechanism to the IPC level, allowing a signal emitted by one process to be connected to a slot in another process. The cross-platform class QProcess can be used to start external programs as child processes, and to communicate with them. Mar 13, 2016 · If I’m about to modify a slot function I might take an extra minute to look around since most IDEs can’t tell syntactically where it’s used in a SLOT() macro. In this case you have to search for it textually.) Thanks to C++11 lambdas and Qt’s ongoing evolution, these short slots can be replaced by a more succinct syntax. I want then to use the signals/slots editor to connect a widget's signal to the slot of some non-GUI class that I have created. I cannot seem to find a way to do this - the signals/slot editor does not know about any classes or object created outside of the form, even though the classes are defined in the project. See full list on wiki.qt.io

Mar 13, 2016 · If I’m about to modify a slot function I might take an extra minute to look around since most IDEs can’t tell syntactically where it’s used in a SLOT() macro. In this case you have to search for it textually.) Thanks to C++11 lambdas and Qt’s ongoing evolution, these short slots can be replaced by a more succinct syntax.

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I want then to use the signals/slots editor to connect a widget's signal to the slot of some non-GUI class that I have created. I cannot seem to find a way to do this - the signals/slot editor does not know about any classes or object created outside of the form, even though the classes are defined in the project. See full list on wiki.qt.io Tack vare deras fokus och strategi står NetEnt i en klass för sig. En annan bidragande faktor till framgång av NetEnt´s spel är det höga underhållningsvärde som de levererar genom rik grafik, spännande bonus spel, roliga animationer och innovativa funktioner. Jul 09, 2011 · Fortunately, the Qt folks provided a solution that can make passing extra arguments to slots relatively simple. This is the QSignalMapper class. I'll just show a partial code sample. Suppose we have two different QAction objects, and we want to connect both to the slot: See full list on kdab.com

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It extends Qt's signals and slots mechanism to the IPC level, allowing a signal emitted by one process to be connected to a slot in another process. The cross-platform class QProcess can be used to start external programs as child processes, and to communicate with them.