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
This commit is contained in:
Anselm R Garbe
parent
0a5e510209
commit
cf65699a29
2 changed files with 85 additions and 97 deletions
22
config.h
22
config.h
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@ -6,7 +6,7 @@
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#define LINESPACE 1 /* additional pixel between each line */
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/* Terminal colors */
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static char* colorname[] = {
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static const char *colorname[] = {
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"black",
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"red",
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"green",
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@ -26,14 +26,14 @@ static char* colorname[] = {
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/* special keys */
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static Key key[] = {
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{ XK_Delete, "\033[3~" },
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{ XK_Home, "\033[1~" },
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{ XK_End, "\033[4~" },
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{ XK_Prior, "\033[5~" },
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{ XK_Next, "\033[6~" },
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{ XK_Left, "\033[D" },
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{ XK_Right, "\033[C" },
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{ XK_Up, "\033[A" },
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{ XK_Down, "\033[B" },
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static const char *key[] = {
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[XK_Delete] = "\033[3~",
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[XK_Home] = "\033[1~",
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[XK_End] = "\033[4~",
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[XK_Prior] = "\033[5~",
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[XK_Next] = "\033[6~",
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[XK_Left] = "\033[D",
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[XK_Right] = "\033[C",
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[XK_Up] = "\033[A",
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[XK_Down] = "\033[B",
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};
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158
st.c
158
st.c
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@ -1,5 +1,5 @@
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/* See LICENSE for licence details. */
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#define _XOPEN_SOURCE
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#define _XOPEN_SOURCE 600
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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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@ -107,61 +107,68 @@ typedef struct {
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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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static void die(const char *errstr, ...);
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static void draw(int);
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static void execsh(void);
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static void sigchld(int);
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static 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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static int escaddc(char);
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static int escfinal(char);
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static void escdump(void);
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static void eschandle(void);
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static void escparse(void);
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static 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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static void tclearregion(int, int, int, int);
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static void tcpos(int);
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static void tcursor(int);
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static void tdeletechar(int);
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static void tdeleteline(int);
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static void tdump(void);
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static void tinsertblank(int);
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static void tinsertblankline(int);
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static void tmoveto(int, int);
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static void tnew(int, int);
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static void tnewline(void);
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static void tputc(char);
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static void tputs(char*, int);
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static void tresize(int, int);
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static void tscroll(void);
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static void tsetattr(int*, int);
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static void tsetchar(char);
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static 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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static void ttynew(void);
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static void ttyread(void);
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static void ttyresize(int, int);
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static void ttywrite(const 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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static unsigned long xgetcol(const char *);
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static void xclear(int, int, int, int);
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static void xcursor(int);
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static void xdrawc(int, int, Glyph);
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static void xinit(void);
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static void xscroll(void);
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static void expose(XEvent *);
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static void kpress(XEvent *);
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static void resize(XEvent *);
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static void (*handler[LASTEvent])(XEvent *) = {
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[KeyPress] = kpress,
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[Expose] = expose,
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[ConfigureNotify] = resize
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};
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/* Globals */
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DC dc;
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XWindow xw;
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Term term;
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Escseq escseq;
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int cmdfd;
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pid_t pid;
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int running;
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static DC dc;
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static XWindow xw;
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static Term term;
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static Escseq escseq;
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static int cmdfd;
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static pid_t pid;
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static int running;
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void
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die(const char *errstr, ...) {
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@ -259,7 +266,7 @@ ttyread(void) {
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}
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void
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ttywrite(char *s, size_t n) {
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ttywrite(const char *s, size_t n) {
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if(write(cmdfd, s, n) == -1)
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die("write error on tty: %s\n", SERRNO);
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}
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@ -997,29 +1004,25 @@ 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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void
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expose(XEvent *ev) {
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draw(SCredraw);
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}
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void
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kpress(XKeyEvent *e) {
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kpress(XEvent *ev) {
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XKeyEvent *e = &ev->xkey;
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KeySym ksym;
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char buf[32];
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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(skmap = kmap(ksym))
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ttywrite(skmap, strlen(skmap));
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if(key[ksym])
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ttywrite(key[ksym], strlen(key[ksym]));
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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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@ -1054,7 +1057,6 @@ resize(XEvent *e) {
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void
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run(void) {
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int ret;
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XEvent ev;
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fd_set rfd;
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int xfd = XConnectionNumber(xw.dis);
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@ -1067,34 +1069,20 @@ run(void) {
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FD_ZERO(&rfd);
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FD_SET(cmdfd, &rfd);
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FD_SET(xfd, &rfd);
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XFlush(xw.dis);
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ret = select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, NULL);
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if(ret < 0)
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if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, NULL) == -1) {
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if(errno == EINTR)
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continue;
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die("select failed: %s\n", SERRNO);
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if(FD_ISSET(xfd, &rfd)) {
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while(XPending(xw.dis)) {
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XNextEvent(xw.dis, &ev);
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switch (ev.type) {
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default:
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break;
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case KeyPress:
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kpress(&ev.xkey);
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break;
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case Expose:
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draw(SCredraw);
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break;
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case ConfigureNotify:
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resize(&ev);
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break;
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}
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}
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}
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if(FD_ISSET(cmdfd, &rfd)) {
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ttyread();
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draw(SCupdate);
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}
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while(XPending(xw.dis)) {
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XNextEvent(xw.dis, &ev);
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if(handler[ev.type])
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(handler[ev.type])(&ev);
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}
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}
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}
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