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#include <u.h>
#include <libn.h>
#include <unibilium.h>
#define iota(x) 1 << (x)
// -----------------------------------------------------------------------
// enums
enum
{
KeyRune, KeyFunc, KeySym,
KeyMouse, KeyPosition, KeyModeReport,
KeyDCS, KeyOSC, /* add other recognised types here */
KeyUnknownCSI = -1
};
enum KeyEvent
{
EvNil, EvKey, EvEOF, EvAgain, EvErr,
};
enum
{
SymUnknown = -1,
SymNone = 0,
/* special names in c0 */
SymBackspace, SymTab, SymEnter, SymEscape,
/* special names in g0 */
SymSpace, SymDel,
/* special keys */
SymUp, SymDown, SymLeft, SymRight, SymBegin, SymFind, SymInsert,
SymDelete, SymSelect, SymPageUp, SymPageDown, SymHome, SymEnd,
/* special keys from terminfo */
SymCancel, SymClear, SymClose, SymCommand, SymCopy, SymExit,
SymHelp, SymMark, SymMessage, SymMove, SymOpen, SymOptions,
SymPrint, SymRedo, SymReference, SymRefresh, SymReplace,
SymRestart, SymResume, SymSave, SymSuspend, SymUndo,
/* numeric keypad special keys */
SymKp0, SymKp1, SymKp2, SymKp3, SymKp4, SymKp5, SymKp6, SymKp7, SymKp8,
SymKp9, SymKpEnter, SymKpPlus, SymKpMinus, SymKpMul, SymKpDiv, SymKpComma,
SymKpDot, SymKpEq,
/* et cetera ad nauseum */
NumSyms
};
enum MouseEvent
{
MouseNil, MousePress, MouseDrag, MouseRelease,
};
enum
{
ModShift = iota(0),
ModAlt = iota(1),
ModCtrl = iota(2),
};
// -----------------------------------------------------------------------
// types
typedef struct Input Input;
struct Input
{
int fd;
int wait; /* in msec */
struct {
char *b, *c, bytes[1024];
} rbuf; /* read buffer */
struct {
char *b, *c, bytes[1024];
} ebuf; /* escape buffer */
};
// -----------------------------------------------------------------------
// globals
// -----------------------------------------------------------------------
// utility functions
// -----------------------------------------------------------------------
// implementation
Input *
makeinput(int fd, int flags, unibi_term *info)
{
int i;
Input *in;
char *e;
if (!(in = calloc(1, sizeof(in))))
panicf("out of memory");
in->fd = fd;
in->wait = 50; /* in msec */
/* initialize buffers */
in->rbuf.c = in->rbuf.b = in->rbuf.bytes;
return in;
}
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