made kpress() more flexible, removed st.h, added config.h.
This commit is contained in:
Aurélien Aptel
210
st.c
210
st.c
@@ -1,5 +1,160 @@
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/* See LICENSE for licence details. */
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#include "st.h"
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/* See LICENSE for licence details. */
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#define _XOPEN_SOURCE
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#include <ctype.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <locale.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <signal.h>
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#include <sys/ioctl.h>
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#include <sys/select.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <X11/Xlib.h>
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#include <X11/keysym.h>
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#include <X11/Xutil.h>
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#define TNAME "st"
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/* Arbitrary sizes */
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#define ESCSIZ 256
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#define ESCARG 16
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#define SERRNO strerror(errno)
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#define MIN(a, b) ((a) < (b) ? (a) : (b))
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#define MAX(a, b) ((a) < (b) ? (b) : (a))
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#define LEN(a) (sizeof(a) / sizeof(a[0]))
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#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
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#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
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#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
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/* Attribute, Cursor, Character state, Terminal mode, Screen draw mode */
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enum { ATnone=0 , ATreverse=1 , ATunderline=2, ATbold=4 };
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enum { CSup, CSdown, CSright, CSleft, CShide, CSdraw, CSwrap, CSsave, CSload };
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enum { CRset=1 , CRupdate=2 };
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enum { TMwrap=1 , TMinsert=2, TMaltcharset };
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enum { SCupdate, SCredraw };
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typedef int Color;
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typedef struct {
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KeySym k;
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char s[ESCSIZ];
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} Key;
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typedef struct {
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char c; /* character code */
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char mode; /* attribute flags */
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Color fg; /* foreground */
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Color bg; /* background */
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char state; /* state flag */
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} Glyph;
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typedef Glyph* Line;
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typedef struct {
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Glyph attr; /* current char attributes */
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char hidden;
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int x;
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int y;
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} TCursor;
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/* Escape sequence structs */
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/* ESC <pre> [[ [<priv>] <arg> [;]] <mode>] */
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typedef struct {
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char buf[ESCSIZ+1]; /* raw string */
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int len; /* raw string length */
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char pre;
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char priv;
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int arg[ESCARG+1];
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int narg; /* nb of args */
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char mode;
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} Escseq;
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/* Internal representation of the screen */
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typedef struct {
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int row; /* nb row */
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int col; /* nb col */
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Line* line; /* screen */
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TCursor c; /* cursor */
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int top; /* top scroll limit */
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int bot; /* bottom scroll limit */
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int mode; /* terminal mode */
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} Term;
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/* Purely graphic info */
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typedef struct {
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Display* dis;
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Window win;
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int scr;
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int w; /* window width */
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int h; /* window height */
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int ch; /* char height */
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int cw; /* char width */
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} XWindow;
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#include "config.h"
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/* Drawing Context */
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typedef struct {
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unsigned long col[LEN(colorname)];
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XFontStruct* font;
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GC gc;
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} DC;
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void die(const char *errstr, ...);
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void draw(int);
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void execsh(void);
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void sigchld(int);
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char* kmap(KeySym);
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void kpress(XKeyEvent *);
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void resize(XEvent *);
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void run(void);
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int escaddc(char);
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int escfinal(char);
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void escdump(void);
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void eschandle(void);
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void escparse(void);
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void escreset(void);
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void tclearregion(int, int, int, int);
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void tcpos(int);
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void tcursor(int);
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void tdeletechar(int);
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void tdeleteline(int);
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void tdump(void);
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void tinsertblank(int);
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void tinsertblankline(int);
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void tmoveto(int, int);
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void tnew(int, int);
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void tnewline(void);
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void tputc(char);
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void tputs(char*, int);
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void tresize(int, int);
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void tscroll(void);
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void tsetattr(int*, int);
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void tsetchar(char);
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void tsetscroll(int, int);
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void ttynew(void);
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void ttyread(void);
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void ttyresize(int, int);
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void ttywrite(char *, size_t);
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unsigned long xgetcol(const char *);
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void xclear(int, int, int, int);
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void xcursor(int);
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void xdrawc(int, int, Glyph);
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void xinit(void);
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void xscroll(void);
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/* Globals */
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DC dc;
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@@ -725,11 +880,11 @@ xinit(void) {
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xw.dis = XOpenDisplay(NULL);
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xw.scr = XDefaultScreen(xw.dis);
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if(!xw.dis)
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die("can not open display");
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die("Can't open display\n");
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/* font */
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if(!(dc.font = XLoadQueryFont(xw.dis, FONT)))
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die("can not find font " FONT);
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die("Can't load font %s\n", FONT);
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xw.cw = dc.font->max_bounds.rbearing - dc.font->min_bounds.lbearing;
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xw.ch = dc.font->ascent + dc.font->descent + LINESPACE;
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@@ -834,6 +989,15 @@ draw(int redraw_all) {
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xcursor(CSdraw);
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}
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char*
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kmap(KeySym k) {
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int i;
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for(i = 0; i < LEN(key); i++)
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if(key[i].k == k)
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return (char*)key[i].s;
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return NULL;
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}
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void
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kpress(XKeyEvent *e) {
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KeySym ksym;
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@@ -841,39 +1005,28 @@ kpress(XKeyEvent *e) {
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int len;
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int meta;
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int shift;
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char* skmap;
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meta = e->state & Mod1Mask;
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shift = e->state & ShiftMask;
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len = XLookupString(e, buf, sizeof(buf), &ksym, NULL);
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if(len > 0) {
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if(skmap = kmap(ksym))
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ttywrite(skmap, strlen(skmap));
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else if(len > 0) {
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buf[sizeof(buf)-1] = '\0';
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if(meta && len == 1)
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ttywrite("\033", 1);
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ttywrite(buf, len);
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return;
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}
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switch(ksym) {
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default:
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fprintf(stderr, "errkey: %d\n", (int)ksym);
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break;
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case XK_Up:
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case XK_Down:
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case XK_Left:
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case XK_Right:
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sprintf(buf, "\033[%c", "DACB"[ksym - XK_Left]);
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ttywrite(buf, 3);
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break;
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case XK_Delete: ttywrite(KEYDELETE, sizeof(KEYDELETE)-1); break;
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case XK_Home: ttywrite(KEYHOME, sizeof(KEYHOME)-1); break;
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case XK_End: ttywrite(KEYEND, sizeof(KEYEND) -1); break;
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case XK_Prior: ttywrite(KEYPREV, sizeof(KEYPREV)-1); break;
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case XK_Next: ttywrite(KEYNEXT, sizeof(KEYNEXT)-1); break;
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case XK_Insert:
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/* XXX: paste X clipboard */
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if(shift)
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;
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break;
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}
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} else
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switch(ksym) {
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case XK_Insert:
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if(shift)
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/* XXX: paste X clipboard */;
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break;
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default:
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fprintf(stderr, "errkey: %d\n", (int)ksym);
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break;
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}
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}
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void
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@@ -891,7 +1044,6 @@ resize(XEvent *e) {
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}
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}
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void
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run(void) {
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int ret;
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