made kpress() more flexible, removed st.h, added config.h.

dev
Aurélien Aptel 2009-06-16 02:23:46 +02:00
parent 5d8aa08ba5
commit 8b4bfe31ec
1 changed files with 181 additions and 29 deletions

210
st.c
View File

@ -1,5 +1,160 @@
/* See LICENSE for licence details. */ /* See LICENSE for licence details. */
#include "st.h" /* See LICENSE for licence details. */
#define _XOPEN_SOURCE
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <locale.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <sys/ioctl.h>
#include <sys/select.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <X11/Xlib.h>
#include <X11/keysym.h>
#include <X11/Xutil.h>
#define TNAME "st"
/* Arbitrary sizes */
#define ESCSIZ 256
#define ESCARG 16
#define SERRNO strerror(errno)
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) < (b) ? (b) : (a))
#define LEN(a) (sizeof(a) / sizeof(a[0]))
#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
/* Attribute, Cursor, Character state, Terminal mode, Screen draw mode */
enum { ATnone=0 , ATreverse=1 , ATunderline=2, ATbold=4 };
enum { CSup, CSdown, CSright, CSleft, CShide, CSdraw, CSwrap, CSsave, CSload };
enum { CRset=1 , CRupdate=2 };
enum { TMwrap=1 , TMinsert=2, TMaltcharset };
enum { SCupdate, SCredraw };
typedef int Color;
typedef struct {
KeySym k;
char s[ESCSIZ];
} Key;
typedef struct {
char c; /* character code */
char mode; /* attribute flags */
Color fg; /* foreground */
Color bg; /* background */
char state; /* state flag */
} Glyph;
typedef Glyph* Line;
typedef struct {
Glyph attr; /* current char attributes */
char hidden;
int x;
int y;
} TCursor;
/* Escape sequence structs */
/* ESC <pre> [[ [<priv>] <arg> [;]] <mode>] */
typedef struct {
char buf[ESCSIZ+1]; /* raw string */
int len; /* raw string length */
char pre;
char priv;
int arg[ESCARG+1];
int narg; /* nb of args */
char mode;
} Escseq;
/* Internal representation of the screen */
typedef struct {
int row; /* nb row */
int col; /* nb col */
Line* line; /* screen */
TCursor c; /* cursor */
int top; /* top scroll limit */
int bot; /* bottom scroll limit */
int mode; /* terminal mode */
} Term;
/* Purely graphic info */
typedef struct {
Display* dis;
Window win;
int scr;
int w; /* window width */
int h; /* window height */
int ch; /* char height */
int cw; /* char width */
} XWindow;
#include "config.h"
/* Drawing Context */
typedef struct {
unsigned long col[LEN(colorname)];
XFontStruct* font;
GC gc;
} DC;
void die(const char *errstr, ...);
void draw(int);
void execsh(void);
void sigchld(int);
char* kmap(KeySym);
void kpress(XKeyEvent *);
void resize(XEvent *);
void run(void);
int escaddc(char);
int escfinal(char);
void escdump(void);
void eschandle(void);
void escparse(void);
void escreset(void);
void tclearregion(int, int, int, int);
void tcpos(int);
void tcursor(int);
void tdeletechar(int);
void tdeleteline(int);
void tdump(void);
void tinsertblank(int);
void tinsertblankline(int);
void tmoveto(int, int);
void tnew(int, int);
void tnewline(void);
void tputc(char);
void tputs(char*, int);
void tresize(int, int);
void tscroll(void);
void tsetattr(int*, int);
void tsetchar(char);
void tsetscroll(int, int);
void ttynew(void);
void ttyread(void);
void ttyresize(int, int);
void ttywrite(char *, size_t);
unsigned long xgetcol(const char *);
void xclear(int, int, int, int);
void xcursor(int);
void xdrawc(int, int, Glyph);
void xinit(void);
void xscroll(void);
/* Globals */ /* Globals */
DC dc; DC dc;
@ -725,11 +880,11 @@ xinit(void) {
xw.dis = XOpenDisplay(NULL); xw.dis = XOpenDisplay(NULL);
xw.scr = XDefaultScreen(xw.dis); xw.scr = XDefaultScreen(xw.dis);
if(!xw.dis) if(!xw.dis)
die("can not open display"); die("Can't open display\n");
/* font */ /* font */
if(!(dc.font = XLoadQueryFont(xw.dis, FONT))) if(!(dc.font = XLoadQueryFont(xw.dis, FONT)))
die("can not find font " FONT); die("Can't load font %s\n", FONT);
xw.cw = dc.font->max_bounds.rbearing - dc.font->min_bounds.lbearing; xw.cw = dc.font->max_bounds.rbearing - dc.font->min_bounds.lbearing;
xw.ch = dc.font->ascent + dc.font->descent + LINESPACE; xw.ch = dc.font->ascent + dc.font->descent + LINESPACE;
@ -834,6 +989,15 @@ draw(int redraw_all) {
xcursor(CSdraw); xcursor(CSdraw);
} }
char*
kmap(KeySym k) {
int i;
for(i = 0; i < LEN(key); i++)
if(key[i].k == k)
return (char*)key[i].s;
return NULL;
}
void void
kpress(XKeyEvent *e) { kpress(XKeyEvent *e) {
KeySym ksym; KeySym ksym;
@ -841,39 +1005,28 @@ kpress(XKeyEvent *e) {
int len; int len;
int meta; int meta;
int shift; int shift;
char* skmap;
meta = e->state & Mod1Mask; meta = e->state & Mod1Mask;
shift = e->state & ShiftMask; shift = e->state & ShiftMask;
len = XLookupString(e, buf, sizeof(buf), &ksym, NULL); len = XLookupString(e, buf, sizeof(buf), &ksym, NULL);
if(len > 0) { if(skmap = kmap(ksym))
ttywrite(skmap, strlen(skmap));
else if(len > 0) {
buf[sizeof(buf)-1] = '\0'; buf[sizeof(buf)-1] = '\0';
if(meta && len == 1) if(meta && len == 1)
ttywrite("\033", 1); ttywrite("\033", 1);
ttywrite(buf, len); ttywrite(buf, len);
return; } else
} switch(ksym) {
switch(ksym) { case XK_Insert:
default: if(shift)
fprintf(stderr, "errkey: %d\n", (int)ksym); /* XXX: paste X clipboard */;
break; break;
case XK_Up: default:
case XK_Down: fprintf(stderr, "errkey: %d\n", (int)ksym);
case XK_Left: break;
case XK_Right: }
sprintf(buf, "\033[%c", "DACB"[ksym - XK_Left]);
ttywrite(buf, 3);
break;
case XK_Delete: ttywrite(KEYDELETE, sizeof(KEYDELETE)-1); break;
case XK_Home: ttywrite(KEYHOME, sizeof(KEYHOME)-1); break;
case XK_End: ttywrite(KEYEND, sizeof(KEYEND) -1); break;
case XK_Prior: ttywrite(KEYPREV, sizeof(KEYPREV)-1); break;
case XK_Next: ttywrite(KEYNEXT, sizeof(KEYNEXT)-1); break;
case XK_Insert:
/* XXX: paste X clipboard */
if(shift)
;
break;
}
} }
void void
@ -891,7 +1044,6 @@ resize(XEvent *e) {
} }
} }
void void
run(void) { run(void) {
int ret; int ret;