From: noemail@basdxcqvbe.com   
      
   On Wed, 14 Jul 2021 20:54:21 -0500   
   Rod Pemberton  wrote:   
      
   > On Wed, 14 Jul 2021 14:56:31 +0100   
   > James Harris  wrote:   
   >   
   > > Is there already a good standard way to interface with a textual   
   > > display? What I'm looking for is a pre-defined set of calls which I   
   > > can just implement rather than having to design from scratch.   
   > >   
   > > For example,   
   > >   
   > > * calls to manage display windows   
   > > * calls to manage widgets which go in those windows   
   > > * options, for example what to do when a line of text would extend   
   > > past the right-hand side of the available space (wrap or not), how   
   > > to render a window's borders, what controls a window should have,   
   > > how elements should be placed within windows, etc   
   > >   
   > > AISI there are naturally:   
   > >   
   > > Windows which are populated with various widgets   
   > >   
   > > Widgets of various types, each having its own behaviour, which are   
   > > placed in windows.   
   > >   
   > > To implement a terminal perhaps a widget could provide a scrollable   
   > > view into a text buffer with an input field at the bottom. Not sure.   
   > >   
   > > Ideally, the calls would work whether they were interacting with a   
   > > TUI or a GUI so I guess I could follow a GUI standard. But I suspect   
   > > that that's getting rather complicated. :-(   
   > >   
   > > Any suggestions?   
   > >   
   >   
   > On DOS, I coded this stuff myself using the DOS specific    
   > functions.  When I ported one DOS app to Linux, I needed to the   
   >  functions as there was no  for Linux.   
      
   needed to use the   
      
   > So, for *nix, there is the "curses" text GUI library, e.g., ncurses.   
   > There is also the public-domain version, i.e., pdcurses, for DOS etc.   
   >   
   > https://en.wikipedia.org/wiki/Curses_(programming_library)   
   > https://en.wikipedia.org/wiki/Ncurses   
   > https://en.wikipedia.org/wiki/PDCurses   
   >   
   > To link on Linux,   
   > gcc -lcurses   
   >   
   > To use,   
   > #include    
   >   
   > Of course, like any graphics library, you have to call all sorts of   
   > set up functions, exit functions, and do a myriad of other stuff ...   
   > You'll need to locate a decent programming guide.  E.g. found this   
   > for ncurses via Google:   
   >   
   > NCURSES Programming HOWTO   
   > https://tldp.org/HOWTO/NCURSES-Programming-HOWTO/   
   >   
      
   Hey, were you the guy that liked Python?   
      
   Curses Programming with Python   
   https://docs.python.org/3/howto/curses.html   
      
      
   --   
   The Chinese have such difficulty with English ...  The word is not   
   "reunification" but "revenge".   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)