aselimov
/
st
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

we definately need pixmaps for the drawing, currently drawing into the window is painfully slow! much more slower than drawing into a pixmap and mapping that when finished -- several optimisations

Browse Source
master
Anselm R Garbe 16 years ago
parent 0a5e510209
commit cf65699a29
2 changed files with 89 additions and 101 deletions
Show Stats Download Patch File Download Diff File

22
config.h
Unescape View File

@ -6,7 +6,7 @@
#define LINESPACE 1 /* additional pixel between each line */
/* Terminal colors */
static char* colorname[] = {
static const char *colorname[] = {
"black",
"red",
"green",
@ -26,14 +26,14 @@ static char* colorname[] = {
/* special keys */
static Key key[] = {
{ XK_Delete, "\033[3~" },
{ XK_Home, "\033[1~" },
{ XK_End, "\033[4~" },
{ XK_Prior, "\033[5~" },
{ XK_Next, "\033[6~" },
{ XK_Left, "\033[D" },
{ XK_Right, "\033[C" },
{ XK_Up, "\033[A" },
{ XK_Down, "\033[B" },
static const char *key[] = {
[XK_Delete] = "\033[3~",
[XK_Home] = "\033[1~",
[XK_End] = "\033[4~",
[XK_Prior] = "\033[5~",
[XK_Next] = "\033[6~",
[XK_Left] = "\033[D",
[XK_Right] = "\033[C",
[XK_Up] = "\033[A",
[XK_Down] = "\033[B",
};

166
st.c
Unescape View File

@ -1,5 +1,5 @@
/* See LICENSE for licence details. */
#define _XOPEN_SOURCE
#define _XOPEN_SOURCE 600
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
@ -107,61 +107,68 @@ typedef struct {
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);
static void die(const char *errstr, ...);
static void draw(int);
static void execsh(void);
static void sigchld(int);
static void run(void);
static int escaddc(char);
static int escfinal(char);
static void escdump(void);
static void eschandle(void);
static void escparse(void);
static void escreset(void);
static void tclearregion(int, int, int, int);
static void tcpos(int);
static void tcursor(int);
static void tdeletechar(int);
static void tdeleteline(int);
static void tdump(void);
static void tinsertblank(int);
static void tinsertblankline(int);
static void tmoveto(int, int);
static void tnew(int, int);
static void tnewline(void);
static void tputc(char);
static void tputs(char*, int);
static void tresize(int, int);
static void tscroll(void);
static void tsetattr(int*, int);
static void tsetchar(char);
static void tsetscroll(int, int);
static void ttynew(void);
static void ttyread(void);
static void ttyresize(int, int);
static void ttywrite(const char *, size_t);
static unsigned long xgetcol(const char *);
static void xclear(int, int, int, int);
static void xcursor(int);
static void xdrawc(int, int, Glyph);
static void xinit(void);
static void xscroll(void);
static void expose(XEvent *);
static void kpress(XEvent *);
static void resize(XEvent *);
static void (*handler[LASTEvent])(XEvent *) = {
[KeyPress] = kpress,
[Expose] = expose,
[ConfigureNotify] = resize
};
/* Globals */
DC dc;
XWindow xw;
Term term;
Escseq escseq;
int cmdfd;
pid_t pid;
int running;
static DC dc;
static XWindow xw;
static Term term;
static Escseq escseq;
static int cmdfd;
static pid_t pid;
static int running;
void
die(const char *errstr, ...) {
@ -259,7 +266,7 @@ ttyread(void) {
}
void
ttywrite(char *s, size_t n) {
ttywrite(const char *s, size_t n) {
if(write(cmdfd, s, n) == -1)
die("write error on tty: %s\n", SERRNO);
}
@ -997,29 +1004,25 @@ draw(int redraw_all) {
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
expose(XEvent *ev) {
draw(SCredraw);
}
void
kpress(XKeyEvent *e) {
kpress(XEvent *ev) {
XKeyEvent *e = &ev->xkey;
KeySym ksym;
char buf[32];
int len;
int meta;
int shift;
char* skmap;
meta = e->state & Mod1Mask;
shift = e->state & ShiftMask;
len = XLookupString(e, buf, sizeof(buf), &ksym, NULL);
if(skmap = kmap(ksym))
ttywrite(skmap, strlen(skmap));
if(key[ksym])
ttywrite(key[ksym], strlen(key[ksym]));
else if(len > 0) {
buf[sizeof(buf)-1] = '\0';
if(meta && len == 1)
@ -1054,7 +1057,6 @@ resize(XEvent *e) {
void
run(void) {
int ret;
XEvent ev;
fd_set rfd;
int xfd = XConnectionNumber(xw.dis);
@ -1067,34 +1069,20 @@ run(void) {
FD_ZERO(&rfd);
FD_SET(cmdfd, &rfd);
FD_SET(xfd, &rfd);
XFlush(xw.dis);
ret = select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, NULL);
if(ret < 0)
if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, NULL) == -1) {
if(errno == EINTR)
continue;
die("select failed: %s\n", SERRNO);
if(FD_ISSET(xfd, &rfd)) {
while(XPending(xw.dis)) {
XNextEvent(xw.dis, &ev);
switch (ev.type) {
default:
break;
case KeyPress:
kpress(&ev.xkey);
break;
case Expose:
draw(SCredraw);
break;
case ConfigureNotify:
resize(&ev);
break;
}
}
}
if(FD_ISSET(cmdfd, &rfd)) {
ttyread();
draw(SCupdate);
}
while(XPending(xw.dis)) {
XNextEvent(xw.dis, &ev);
if(handler[ev.type])
(handler[ev.type])(&ev);
}
}
}

Write Preview
Loading…
Cancel
Save