Subject:
Re: Keyboard events ...
From:
Ritesh Saigal ####@####.####
Date:
27 Oct 2000 23:35:03 -0000
Message-Id: <39FA1081.9BC6F866@metabyte.com>
Thanks Greg & Jordan. That certainly helped.
Jordan Crouse wrote:
> Greg will probably go into this in more detail, but I'll give you the
> short and skinny right now so you can at least keep working....
>
> Basically, the X11 keyboard driver for MW does not grab the entire scan
> code for the keystrokes, only the ascii value (lower 8 bits). So
> essentially we have no way of determining if a special key is pressed.
> This sucks rocks. Greg will have to go into how he wants to fix this.
>
> If you want to hack in support for a particular key right now (and keep
> in mind that this is a major (I reapeat) major hack), we have discovered
> that most of the "special" keys have the lower 8 bits that map outside
> of the ascii values of the alpha numeric keys (all except for two in
> fact). So if you look for the lower 8 bits, you will be right 80% of
> the time. Once again, I stress that this is a hella-hack, I'm not
> proud, and if you tell your friends that I told you, I will deny it.. :)
>
> Below are the ascii to special key mappings that we have discovered
> (from FLNX). Notice that sysReg and Insert are missing, as they are the
> two keys that have the lower 8 bits that correspond to a alphanumeric
> value (I think insert maps to a "c").
>
> Hope this helps, and I hope that someone soon will take it upon
> themselves to fix this.
>
> Happy hacking!
> Jordan
>
> {'\r', FL_Enter},
> {'\b', FL_BackSpace},
> {'\t', FL_Tab},
> { 20 , FL_Scroll_Lock},
> { 80 , FL_Home},
> { 81 , FL_Left},
> { 82 , FL_Up},
> { 83 , FL_Right},
> { 84 , FL_Down},
> { 85 , FL_Page_Up},
> { 86 , FL_Page_Down},
> { 87 , FL_End},
> { 127, FL_Num_Lock},
> { 141, FL_KP_Enter},
> { 149, FL_KP+'7'},
> { 150, FL_KP+'4'},
> { 151, FL_KP+'8'},
> { 152, FL_KP+'6'},
> { 153, FL_KP+'2'},
> { 154, FL_KP+'9'},
> { 155, FL_KP+'3'},
> { 156, FL_KP+'1'},
> { 157, FL_KP+'5'},
> { 158, FL_KP+'0'},
> { 159, FL_KP+'.'},
> { 170, FL_KP+'*'},
> { 171, FL_KP+'+'},
> { 173, FL_KP+'-'},
> { 175, FL_KP+'/'},
> { 190, FL_F + 1},
> { 191, FL_F + 2},
> { 192, FL_F + 3},
> { 193, FL_F + 4},
> { 194, FL_F + 5},
> { 195, FL_F + 6},
> { 196, FL_F + 7},
> { 197, FL_F + 8},
> { 198, FL_F + 9},
> { 199, FL_F + 10},
> { 200, FL_F + 11},
> { 201, FL_F + 12},
> { 226, FL_Shift_R},
> { 225, FL_Shift_L},
> { 227, FL_Control_L},
> { 228, FL_Control_R},
> { 229, FL_Caps_Lock},
> { 233, FL_Alt_L},
> { 234, FL_Alt_R},
> { 255, FL_Delete},
>
> Ritesh Saigal wrote:
> >
> > Hi !!
> >
> > I am having trouble catching the keyboard special keys in my
> > application. I am able to catch the following keystrokes...
> > [a-z]
> > [0-9]
> > [<>;'[]-\=]
> >
> > I am unable to catch the following keys-
> > [F1-F12]
> > [Arrow-up,down,left,right]
> > [Home,End,Pageup,Pagedn,Insert,Delete]
> >
> > Something regarding this is given in the documentation. I tried
> > following that but I am still unable to catch these keys. Can someone
> > help me in this!!
> >
> > Thanks & Regds,
> >
> > Ritesh.
> >
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