On 1 March 2011 07:44, Octavian Rasnita <orasn...@gmail.com> wrote: > From: "Greg Ewing" <greg.ew...@canterbury.ac.nz> > >> Octavian Rasnita wrote: >> >>> From: "Greg Ewing" <greg.ew...@canterbury.ac.nz> >>> >>> No, if I go this way, I would probably stop maintaining >>>> the current implementation. >>>> >>> >>> Oh, in that case imho I think this is a very bad idea. >>> >> >> Can you elaborate on exactly what is bad about it, and >> suggest an alternative? >> > > Windows Forms - based apps have a few disadvantages: > - First, the most important, and with no solution is that Win32 GUI widgets > are much fast responsive than Windows Forms,
I've written (quite large) desktop Windows Forms applications with .NET and just not found this to be the case - even when written with IronPython which isn't the fastest .NET language there is. > and it is annoying to use Windows Forms - based apps with the keyboard; > This need not be the case. You just need to set tab order and provide shortcuts. > - Second, it is harder to create executables that include the support for > DotNet, because it is not sure that DotNet is available. .NET is pretty ubiquitous these days - see other emails on the topic. > The package should be either very big and include DotNet, Definitely not. > or it should detect if it is not present and offer the possibility of > downloading it from the web, but some computers are not connected to the > internet...; > Installers can detect this and provide a link. > - Windows Forms offer very many accessibility features for screen readers, > however this GUI is *always* less accessible than the standard Win32 widgets > for those who need to use a screen reader. > Evidence for this? > - I think there are solutions for making Windows Forms - based apps > already, and they can be used if somebody prefers to use this GUI, so it > wouldn't be a good idea to dupplicate it and offer the same interface. > > The point is for writing *cross platform* applications that just happen to use Windows Forms on Windows. All the best, Michael Foord > > >> The standard Windows GUI API is severely crippled compared >> to what is available natively in Cocoa and Gtk. The only >> alternatives I see at the moment are: >> >> * Allow Windows to hold back the development of PyGUI on >> all the other platforms. >> >> * Implement the missing functionality on Windows in pure >> Python -- a lot of work, and probably not practical for >> something complex such as a rich text or HTML widget. >> >> * Rely on a third party library to supply the missing >> functionality on Windows. >> >> -- >> Greg >> > > > > I don't know which of these ways would be the most simple to implement, but > it is true that it will be more difficult, because I've seen how these > problems were solved in other GUIs like wxWIDGETS and SWT. > > wxWIDGETS offers custom widgets for those which are not offered by the > standard Win32 API, but most of them are badly made with no corresponding > accessibility features, and if those widgets are used in an application, > they could steal the focus or make other problems that make the whole > application not accessible for those who use a screen reader. > So a better solution than the one offered by wxWIDGETS would mean much more > work. > > In SWT, as far as I know, those widgets which are not offered by the Win32 > API are not offered at all, but I am not sure, so others who may know more > can comment. But if this is true, this is not an extraordinary solution > either. > > However, I don't know if the focus should be to offer all the possible > widget types under all platforms, because now there are more and more > platforms considered, like different kind of PDAs and mobile phones, and it > would probably be very hard or impossible to offer a GUI that can do > everything everywhere. > > Octavian > > > > > > > _______________________________________________ > python-win32 mailing list > python-win32@python.org > http://mail.python.org/mailman/listinfo/python-win32 > -- http://www.voidspace.org.uk/ May you do good and not evil May you find forgiveness for yourself and forgive others May you share freely, never taking more than you give. -- the sqlite blessing http://www.sqlite.org/different.html
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