2009/3/21 Adrian Neumann <[email protected]> > > Am 21.03.2009 um 13:30 schrieb Michael Mossey: > > >> >> Thomas Davie wrote: >> >>> On 21 Mar 2009, at 00:16, Michael P Mossey wrote: >>> >>>> Hello, I'm totally new to Haskell. I'm thinking of using it for a >>>> personal project, which is a gui-based musical score editor. >>>> >>> The rough situation of GUI programming on Haskell is that it works just >>> as well as in any imperative programming language. This is rather >>> disappointing, simply because so many other things are massively easier in >>> Haskell, and this isn't true of GUI programming (yet). >>> >> >> Hi Bob, >> >> I can imagine that GUI programming is no easier (yet). It is inherently >> very "stateful." GUI's have modes, such as which screens are displayed, >> which dialogs are displayed, which options within those dialogs are valid >> given the other state of the program, etc. When I write GUIs, I often >> diagram them as state machines to get a handle on what's going on. >> >> So, I'm not familiar with GUI programming on Haskell, but would you say >> the statefulness of GUIs (in their typical implementations) is the reason >> they are no easier on Haskell? >> >> I strongly prefer to use qtHaskell because I'm familiar with Qt, and Qt is >> extremely capable. For example, it can draw text and shapes with >> antialiasing, which will be great for a music score editor. Music scores >> have lots of small shapes to fit on the screen, and antialiasing will >> provide ease of reading. I don't know how much of Qt is implemented in >> qtHaskell, or whether the latest version of Qt (4.4) is implemented. >> >> Thanks, >> Mike >> > > The main problem is, as far as I know, the complete lack of any usable GUI > designer. You have to type everything yourself. That's very annoying. It's a > lot easier in other languages because your tools take away the cumbersome > twiddling with widgets.
http://en.wikipedia.org/wiki/Glade_Interface_Designer -- Sebastian Sylvan +44(0)7857-300802 UIN: 44640862
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