Hello, me, I am a very beginner. I build a GUI with Glade containing an input- and an output table as well as two buttons. My target is to take the user-input from the input table, process it and put the result to the output table. My first problem is to display the content from the input table for control. With " onClicked inButton (putStr "Hello, World!") " haskell works fine without errors. With " onClicked inButton (??? inTable) " I do not find the right command to display within Prelude. Thanks for help, Guenter inButton <- builderGetObject builder castToButton "button1"; outButton <- builderGetObject builder castToButton "button2"; inTable <- builderGetObject builder castToTable "table1"; --onClicked inButton (putStr "Hello, World!"); --0nly for testing onClicked inButton (??? inTable);
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 26/07/13 14:52, Mateusz Kowalczyk wrote:
On 26/07/13 14:42, Guenter Fiebig wrote:
Hello,
me, I am a very beginner. I build a GUI with Glade containing an input- and an output table as well as two buttons. My target is to take the user-input from the input table, process it and put the result to the output table. My first problem is to display the content from the input table for control. With " onClicked inButton (putStr "Hello, World!") " haskell works fine without errors. With " onClicked inButton (??? inTable) " I do not find the right command to display within Prelude.
Thanks for help, Guenter
inButton <- builderGetObject builder castToButton "button1"; outButton <- builderGetObject builder castToButton "button2"; inTable <- builderGetObject builder castToTable "table1";
--onClicked inButton (putStr "Hello, World!"); --0nly for testing onClicked inButton (??? inTable);
Hello. If you can can up with the type of the function, you can try to find it with http://www.haskell.org/hoogle/ .
I actually have a comment regarding your code style. You should know that you can replace
do {x <- foo; y <- bar; z <- baz;}
With do x <- foo y <- bar z <- baz
The second form is far nicer to look at. The first form is pretty much only useful when you want multiple expressions on a single line.
Apologies, my settings got messed up and the message went off encrypted. See above for content. - -- Mateusz K. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.20 (GNU/Linux) iQIcBAEBAgAGBQJR8oAfAAoJEM1mucMq2pqXtJMP/imEfUyT2IUPTSRy8WAET8+G Kt5fPfHDnPWt0rqNQp3pLXVEuhd3t66xRMQbL7btzTu34rukq0AS8s71GpJDrtpC u3n0oVp3pypH77Hs3cRnbfqJ4l0Mf86BI3oofWtt+/SCrFty66O62TdrwQF9U5Ap 0k97Jqy6aUd/2YCg3GAI+hKmEYQSLR15KqRT7QaJKxOIDbChl2QeAIcZyS25D6vq 4g9zclY2q5mKSmpZMo31abNkvMYpXszdgFYDHZUdALYI9UGexbzqHRye37xi5Rt6 Uak0Lj5R1fdLsUO/CiJBu4SgR8jwVwRgcXlSPfZzzO2gZHOQ/Z0BL3sCuDc0VOIy PshO+8WVqMPnYOOOymuksRnTeayNW6UbzdsBmgSBHIA5KrFOe8CuBm8DlJmiMRT3 PpfROUXDaNPCw8a5tUDHOxStm2PLzgfoQenrjGgVOb1mbQcS7sg4BeWO9VM4nH8j zAdZ0YZxi1HIAjyDVTwSGpDAowaxp+cVZcbbtU3B+ILLv8U8FRG2ItCuj/72RbKo 1gXpSqaAL5m2n0Y7knhUEo8D6S1904VQTK5efTzwQ7A8o/H2AUNQ/Tm6+7dJfaL0 SHhLhvjzvaDv2LnP+J+L8fxRyspRdmaAw3PwYEEo/Td4ysxVDZ8nPIDbA4+8fHDz bL6iJ8k9bT99oAzrnYnH =agHt -----END PGP SIGNATURE-----
participants (2)
-
Guenter Fiebig -
Mateusz Kowalczyk