commit - 0ac4bfee32fce9dc336751aa219ca4dbdf3e8ecd
commit + 6510a2d3530132753a6a1dfb2589e9ad82bc271c
blob - 66ec8cbedfe78901cc1130fa2834a29ba83c2383
blob + 1a93e78c7523618c25e66fa36e3cd90a8a0ef876
--- src/cmd/rio/winwatch.c
+++ src/cmd/rio/winwatch.c
-/* slightly modified from
-https://github.com/fhs/misc/blob/master/cmd/winwatch/winwatch.c
-so as to deal with memory leaks and certain X errors */
+/*
+ * slightly modified from
+ * https://github.com/fhs/misc/blob/master/cmd/winwatch/winwatch.c
+ * so as to deal with memory leaks and certain X errors
+ */
#include <u.h>
#include <libc.h>
#include <draw.h>
#include <event.h>
#include <regexp.h>
-#include <stdio.h>
+#include <fmt.h>
#include "../devdraw/x11-inc.h"
AUTOLIB(X11);
typedef struct Win Win;
struct Win {
- XWindow n;
- int dirty;
- char *label;
- Rectangle r;
+ XWindow n;
+ int dirty;
+ char *label;
+ Rectangle r;
};
XDisplay *dpy;
XErrorHandler oldxerrorhandler;
enum {
- PAD = 3,
- MARGIN = 5
+ PAD = 3,
+ MARGIN = 5
};
static jmp_buf savebuf;
-int
+int
winwatchxerrorhandler(XDisplay *disp, XErrorEvent *xe)
{
- char buf[100];
+ char buf[100];
- XGetErrorText(disp, xe->error_code, buf, 100);
- fprintf(stderr, "winwatch: X error %s, request code %d\n", buf,
- xe->request_code);
- XFlush(disp);
- XSync(disp, False);
- XSetErrorHandler(oldxerrorhandler);
- longjmp(savebuf, 1);
+ XGetErrorText(disp, xe->error_code, buf, 100);
+ fprint(2, "winwatch: X error %s, request code %d\n",
+ buf, xe->request_code);
+ XFlush(disp);
+ XSync(disp, False);
+ XSetErrorHandler(oldxerrorhandler);
+ longjmp(savebuf, 1);
+ return(0); /* Not reached */
}
void*
erealloc(void *v, ulong n)
{
- v = realloc(v, n);
- if (v == nil)
- sysfatal("out of memory reallocating");
- return v;
+ v = realloc(v, n);
+ if(v==nil)
+ sysfatal("out of memory reallocating");
+ return v;
}
char*
estrdup(char *s)
{
- s = strdup(s);
- if (s == nil)
- sysfatal("out of memory allocating");
- return s;
+ s = strdup(s);
+ if(s==nil)
+ sysfatal("out of memory allocating");
+ return(s);
}
char*
getproperty(XWindow w, Atom a)
{
- uchar *p;
- int fmt;
- Atom type;
- ulong n, dummy;
- int s;
+ uchar *p;
+ int fmt;
+ Atom type;
+ ulong n, dummy;
+ int s;
- n = 100;
- p = nil;
+ n = 100;
+ p = nil;
+ oldxerrorhandler = XSetErrorHandler(winwatchxerrorhandler);
+ s = XGetWindowProperty(dpy, w, a, 0, 100L, 0,
+ AnyPropertyType, &type, &fmt, &n, &dummy, &p);
+ XFlush(dpy);
+ XSync(dpy, False);
+ XSetErrorHandler(oldxerrorhandler);
+ if(s!=0){
+ XFree(p);
+ return(nil);
+ }
- oldxerrorhandler = XSetErrorHandler(winwatchxerrorhandler);
- s = XGetWindowProperty(dpy, w, a, 0, 100L, 0,
- AnyPropertyType, &type, &fmt, &n, &dummy, &p);
- XFlush(dpy);
- XSync(dpy, False);
- XSetErrorHandler(oldxerrorhandler);
-
-
- if (s == 0)
- return (char *) p;
- else {
- free(p);
- return nil;
- }
+ return((char*)p);
}
-XWindow
+XWindow
findname(XWindow w)
{
- int i;
- uint nxwin;
- XWindow dw1, dw2, *xwin;
- char *p;
- int s;
- Atom net_wm_name;
+ int i;
+ uint nxwin;
+ XWindow dw1, dw2, *xwin;
+ char *p;
+ int s;
+ Atom net_wm_name;
- p = getproperty(w, XA_WM_NAME);
- if (p) {
- free(p);
- return w;
- }
+ p = getproperty(w, XA_WM_NAME);
+ if(p){
+ free(p);
+ return(w);
+ }
- net_wm_name = XInternAtom (dpy, "_NET_WM_NAME", FALSE);
- p = getproperty(w, net_wm_name);
- if (p) {
- free(p);
- return w;
- }
+ net_wm_name = XInternAtom(dpy, "_NET_WM_NAME", FALSE);
+ p = getproperty(w, net_wm_name);
+ if(p){
+ free(p);
+ return(w);
+ }
- oldxerrorhandler = XSetErrorHandler(winwatchxerrorhandler);
- s = XQueryTree(dpy, w, &dw1, &dw2, &xwin, &nxwin);
- XFlush(dpy);
- XSync(dpy, False);
- XSetErrorHandler(oldxerrorhandler);
+ oldxerrorhandler = XSetErrorHandler(winwatchxerrorhandler);
+ s = XQueryTree(dpy, w, &dw1, &dw2, &xwin, &nxwin);
+ XFlush(dpy);
+ XSync(dpy, False);
+ XSetErrorHandler(oldxerrorhandler);
+ if(s == 0) {
+ if (xwin != NULL)
+ XFree(xwin);
+ return 0;
+ }
- if (s == 0) {
- if (xwin != NULL)
- XFree(xwin);
- return 0;
- }
+ for (i = 0; i < nxwin; i++) {
+ w = findname(xwin[i]);
+ if (w != 0) {
+ XFree(xwin);
+ return w;
+ }
+ }
+ XFree(xwin);
- for (i = 0; i < nxwin; i++) {
- w = findname(xwin[i]);
- if (w != 0) {
- XFree(xwin);
- return w;
- }
- }
-
- XFree(xwin);
-
- return 0;
+ return 0;
}
-int
+int
wcmp(const void *w1, const void *w2)
{
- return *(XWindow *) w1 - *(XWindow *) w2;
+ return *(XWindow *) w1 - *(XWindow *) w2;
}
/* unicode-aware case-insensitive strcmp, taken from golang’s gc/subr.c */
-int
+int
_cistrcmp(char *p, char *q)
{
- Rune rp, rq;
+ Rune rp, rq;
- while(*p || *q) {
- if(*p == 0)
- return +1;
- if(*q == 0)
- return -1;
- p += chartorune(&rp, p);
- q += chartorune(&rq, q);
- rp = tolowerrune(rp);
- rq = tolowerrune(rq);
- if(rp < rq)
- return -1;
- if(rp > rq)
- return +1;
- }
- return 0;
+ while(*p || *q) {
+ if(*p == 0)
+ return +1;
+ if(*q == 0)
+ return -1;
+ p += chartorune(&rp, p);
+ q += chartorune(&rq, q);
+ rp = tolowerrune(rp);
+ rq = tolowerrune(rq);
+ if(rp < rq)
+ return -1;
+ if(rp > rq)
+ return +1;
+ }
+ return 0;
}
-int
+int
winlabelcmp(const void *w1, const void *w2)
{
- const Win *p1 = (Win *) w1;
- const Win *p2 = (Win *) w2;
- return _cistrcmp(p1->label, p2->label);
+ const Win *p1 = (Win *) w1;
+ const Win *p2 = (Win *) w2;
+ return _cistrcmp(p1->label, p2->label);
}
-void
+void
refreshwin(void)
{
- XWindow dw1, dw2, *xwin;
- XClassHint class;
- XWindowAttributes attr;
- char *label;
- char *wmname;
- int i, nw;
- uint nxwin;
- Status s;
- Atom net_wm_name;
+ XWindow dw1, dw2, *xwin;
+ XClassHint class;
+ XWindowAttributes attr;
+ char *label;
+ char *wmname;
+ int i, nw;
+ uint nxwin;
+ Status s;
+ Atom net_wm_name;
- oldxerrorhandler = XSetErrorHandler(winwatchxerrorhandler);
- s = XQueryTree(dpy, root, &dw1, &dw2, &xwin, &nxwin);
- XFlush(dpy);
- XSync(dpy, False);
- XSetErrorHandler(oldxerrorhandler);
+ oldxerrorhandler = XSetErrorHandler(winwatchxerrorhandler);
+ s = XQueryTree(dpy, root, &dw1, &dw2, &xwin, &nxwin);
+ XFlush(dpy);
+ XSync(dpy, False);
+ XSetErrorHandler(oldxerrorhandler);
+ if(s==0){
+ if(xwin!=NULL)
+ XFree(xwin);
+ return;
+ }
+ qsort(xwin, nxwin, sizeof(xwin[0]), wcmp);
- if (s == 0) {
- if (xwin != NULL)
- XFree(xwin);
- return;
- }
- qsort(xwin, nxwin, sizeof(xwin[0]), wcmp);
+ nw = 0;
+ for(i=0; i<nxwin; i++){
+ memset(&attr, 0, sizeof attr);
+ xwin[i] = findname(xwin[i]);
+ if(xwin[i]==0)
+ continue;
- nw = 0;
- for (i = 0; i < nxwin; i++) {
- memset(&attr, 0, sizeof attr);
- xwin[i] = findname(xwin[i]);
- if (xwin[i] == 0)
- continue;
+ oldxerrorhandler = XSetErrorHandler(winwatchxerrorhandler);
+ s = XGetWindowAttributes(dpy, xwin[i], &attr);
+ XFlush(dpy);
+ XSync(dpy, False);
+ XSetErrorHandler(oldxerrorhandler);
+ if(s==0)
+ continue;
+ if (attr.width <= 0 ||
+ attr.override_redirect ||
+ attr.map_state != IsViewable)
+ continue;
- oldxerrorhandler = XSetErrorHandler(winwatchxerrorhandler);
- s = XGetWindowAttributes(dpy, xwin[i], &attr);
- XFlush(dpy);
- XSync(dpy, False);
- XSetErrorHandler(oldxerrorhandler);
+ oldxerrorhandler = XSetErrorHandler(winwatchxerrorhandler);
+ s = XGetClassHint(dpy, xwin[i], &class);
+ XFlush(dpy);
+ XSync(dpy, False);
+ XSetErrorHandler(oldxerrorhandler);
- if (s == 0)
- continue;
- if (attr.width <= 0 || attr.override_redirect
- || attr.map_state != IsViewable)
- continue;
+ if(s==0)
+ continue;
- oldxerrorhandler = XSetErrorHandler(winwatchxerrorhandler);
- s = XGetClassHint(dpy, xwin[i], &class);
- XFlush(dpy);
- XSync(dpy, False);
- XSetErrorHandler(oldxerrorhandler);
+ if (exclude!=nil && regexec(exclude, class.res_name, nil, 0)) {
+ free(class.res_name);
+ free(class.res_class);
+ continue;
+ }
- if (s == 0)
- continue;
+ net_wm_name = XInternAtom(dpy, "_NET_WM_NAME", FALSE);
+ wmname = getproperty(xwin[i], net_wm_name);
- if (exclude != nil && regexec(exclude, class.res_name, nil, 0)) {
- free(class.res_name);
- free(class.res_class);
- continue;
- }
+ if(wmname==nil){
+ wmname = getproperty(xwin[i], XA_WM_NAME);
+ if(wmname==nil){
+ free(class.res_name);
+ free(class.res_class);
+ continue;
+ }
+ }
- net_wm_name = XInternAtom (dpy, "_NET_WM_NAME", FALSE);
- wmname = getproperty(xwin[i], net_wm_name);
+ label = class.res_name;
+ if(showwmnames==1)
+ label = wmname;
- if (wmname == nil) {
- wmname = getproperty(xwin[i], XA_WM_NAME);
- if (wmname == nil) {
- free(class.res_name);
- free(class.res_class);
- continue;
- }
- }
+ if(nw<nwin && win[nw].n==xwin[i] && strcmp(win[nw].label, label)==0) {
+ nw++;
+ free(wmname);
+ free(class.res_name);
+ free(class.res_class);
+ continue;
+ }
- if (showwmnames == 1)
- label = wmname;
- else
- label = class.res_name;
+ if(nw<nwin){
+ free(win[nw].label);
+ win[nw].label = nil;
+ }
- if (nw < nwin && win[nw].n == xwin[i]
- && strcmp(win[nw].label, label) == 0) {
- nw++;
- free(wmname);
- free(class.res_name);
- free(class.res_class);
- continue;
- }
+ if(nw>=mwin){
+ mwin += 8;
+ win = erealloc(win, mwin * sizeof(win[0]));
+ }
+ win[nw].n = xwin[i];
+ win[nw].label = estrdup(label);
+ win[nw].dirty = 1;
+ win[nw].r = Rect(0, 0, 0, 0);
+ free(wmname);
+ free(class.res_name);
+ free(class.res_class);
+ nw++;
+ }
- if (nw < nwin) {
- free(win[nw].label);
- win[nw].label = nil;
- }
-
- if (nw >= mwin) {
- mwin += 8;
- win = erealloc(win, mwin * sizeof(win[0]));
- }
- win[nw].n = xwin[i];
- win[nw].label = estrdup(label);
- win[nw].dirty = 1;
- win[nw].r = Rect(0, 0, 0, 0);
- free(wmname);
- free(class.res_name);
- free(class.res_class);
- nw++;
- }
+ oldxerrorhandler = XSetErrorHandler(winwatchxerrorhandler);
+ XFree(xwin);
+ XFlush(dpy);
+ XSync(dpy, False);
+ XSetErrorHandler(oldxerrorhandler);
- oldxerrorhandler = XSetErrorHandler(winwatchxerrorhandler);
- XFree(xwin);
- XFlush(dpy);
- XSync(dpy, False);
- XSetErrorHandler(oldxerrorhandler);
+ while(nwin>nw)
+ free(win[--nwin].label);
+ nwin = nw;
- while (nwin > nw)
- free(win[--nwin].label);
- nwin = nw;
-
- if (sortlabels == 1)
- qsort(win, nwin, sizeof(struct Win), winlabelcmp);
-
- return;
+ if(sortlabels==1)
+ qsort(win, nwin, sizeof(struct Win), winlabelcmp);
}
-void
+void
drawnowin(int i)
{
- Rectangle r;
+ Rectangle r;
- r = Rect(0, 0, (Dx(screen->r) - 2 * MARGIN + PAD) / cols - PAD,
- font->height);
- r = rectaddpt(rectaddpt
- (r,
- Pt(MARGIN + (PAD + Dx(r)) * (i / rows),
- MARGIN + (PAD + Dy(r)) * (i % rows))),
- screen->r.min);
- draw(screen, insetrect(r, -1), lightblue, nil, ZP);
+ r = Rect(0, 0, (Dx(screen->r) - 2 * MARGIN + PAD) / cols - PAD, font->height);
+ r = rectaddpt(
+ rectaddpt(r,
+ Pt(MARGIN + (PAD + Dx(r)) * (i / rows),
+ MARGIN + (PAD + Dy(r)) * (i % rows))),
+ screen->r.min);
+ draw(screen, insetrect(r, -1), lightblue, nil, ZP);
}
-void
+void
drawwin(int i)
{
- draw(screen, win[i].r, lightblue, nil, ZP);
- _string(screen, addpt(win[i].r.min, Pt(2, 0)), display->black, ZP,
- font, win[i].label, nil, strlen(win[i].label),
- win[i].r, nil, ZP, SoverD);
- border(screen, win[i].r, 1, display->black, ZP);
- win[i].dirty = 0;
+ draw(screen, win[i].r, lightblue, nil, ZP);
+ _string(screen, addpt(win[i].r.min, Pt(2, 0)), display->black, ZP,
+ font, win[i].label, nil, strlen(win[i].label),
+ win[i].r, nil, ZP, SoverD);
+ border(screen, win[i].r, 1, display->black, ZP);
+ win[i].dirty = 0;
}
-int
+int
geometry(void)
{
- int i, ncols, z;
- Rectangle r;
+ int i, ncols, z;
+ Rectangle r;
- z = 0;
- rows = (Dy(screen->r) - 2 * MARGIN + PAD) / (font->height + PAD);
- if (rows * cols < nwin || rows * cols >= nwin * 2) {
- ncols = nwin <= 0 ? 1 : (nwin + rows - 1) / rows;
- if (ncols != cols) {
- cols = ncols;
- z = 1;
- }
- }
+ z = 0;
+ rows = (Dy(screen->r) - 2 * MARGIN + PAD) / (font->height + PAD);
+ if(rows*cols<nwin || rows*cols>=nwin*2){
+ ncols = 1;
+ if(nwin>0)
+ ncols = (nwin + rows - 1) / rows;
+ if(ncols!=cols){
+ cols = ncols;
+ z = 1;
+ }
+ }
- r = Rect(0, 0, (Dx(screen->r) - 2 * MARGIN + PAD) / cols - PAD,
- font->height);
- for (i = 0; i < nwin; i++)
- win[i].r =
- rectaddpt(rectaddpt
- (r,
- Pt(MARGIN + (PAD + Dx(r)) * (i / rows),
- MARGIN + (PAD + Dy(r)) * (i % rows))),
- screen->r.min);
+ r = Rect(0, 0, (Dx(screen->r) - 2 * MARGIN + PAD) / cols - PAD, font->height);
+ for(i=0; i<nwin; i++)
+ win[i].r =
+ rectaddpt(
+ rectaddpt(r,
+ Pt(MARGIN + (PAD + Dx(r)) * (i / rows),
+ MARGIN + (PAD + Dy(r)) * (i % rows))),
+ screen->r.min);
- return z;
+ return z;
}
-void
+void
redraw(Image *screen, int all)
{
- int i;
+ int i;
- all |= geometry();
- if (all)
- draw(screen, screen->r, lightblue, nil, ZP);
- for (i = 0; i < nwin; i++)
- if (all || win[i].dirty)
- drawwin(i);
- if (!all)
- for (; i < onwin; i++)
- drawnowin(i);
-
- onwin = nwin;
+ all |= geometry();
+ if(all)
+ draw(screen, screen->r, lightblue, nil, ZP);
+ for(i=0; i<nwin; i++)
+ if(all || win[i].dirty)
+ drawwin(i);
+ if(!all)
+ for (; i<onwin; i++)
+ drawnowin(i);
+ onwin = nwin;
}
-void
+void
eresized(int new)
{
- if (new && getwindow(display, Refmesg) < 0)
- fprint(2, "can't reattach to window");
- geometry();
- redraw(screen, 1);
+ if(new && getwindow(display, Refmesg)<0)
+ fprint(2, "can't reattach to window");
+ geometry();
+ redraw(screen, 1);
}
-void
+void
selectwin(XWindow win)
{
- XEvent ev;
- long mask;
+ XEvent ev;
+ long mask;
- memset(&ev, 0, sizeof ev);
- ev.xclient.type = ClientMessage;
- ev.xclient.serial = 0;
- ev.xclient.send_event = True;
- ev.xclient.message_type = net_active_window;
- ev.xclient.window = win;
- ev.xclient.format = 32;
- mask = SubstructureRedirectMask | SubstructureNotifyMask;
+ memset(&ev, 0, sizeof ev);
+ ev.xclient.type = ClientMessage;
+ ev.xclient.serial = 0;
+ ev.xclient.send_event = True;
+ ev.xclient.message_type = net_active_window;
+ ev.xclient.window = win;
+ ev.xclient.format = 32;
+ mask = SubstructureRedirectMask | SubstructureNotifyMask;
- XSendEvent(dpy, root, False, mask, &ev);
- XMapRaised(dpy, win);
- XSync(dpy, False);
+ XSendEvent(dpy, root, False, mask, &ev);
+ XMapRaised(dpy, win);
+ XSync(dpy, False);
}
-
-void
+void
click(Mouse m)
{
- int i, j;
+ int i, j;
- if (m.buttons == 0 || (m.buttons & ~4))
- return;
+ if(m.buttons==0 || (m.buttons&~4))
+ return;
- for (i = 0; i < nwin; i++)
- if (ptinrect(m.xy, win[i].r))
- break;
- if (i == nwin)
- return;
+ for(i=0; i<nwin; i++)
+ if(ptinrect(m.xy, win[i].r))
+ break;
+ if(i==nwin)
+ return;
- do
- m = emouse();
- while (m.buttons == 4);
+ do
+ m = emouse();
+ while(m.buttons==4);
- if (m.buttons != 0) {
- do
- m = emouse();
- while (m.buttons);
- return;
- }
-
- for (j = 0; j < nwin; j++)
- if (ptinrect(m.xy, win[j].r))
- break;
- if (j != i)
- return;
-
- selectwin(win[i].n);
+ if(m.buttons!=0){
+ do
+ m = emouse();
+ while(m.buttons);
+ return;
+ }
+ for(j=0; j<nwin; j++)
+ if(ptinrect(m.xy, win[j].r))
+ break;
+ if(j==i)
+ selectwin(win[i].n);
}
-void
+void
usage(void)
{
- fprint(2,
- "usage: winwatch [-e exclude] [-W winsize] [-f font] [-n] [-s]\n");
- exits("usage");
+ fprint(2,
+ "usage: winwatch [-e exclude] [-W winsize] [-f font] [-n] [-s]\n");
+ exits("usage");
}
-void
+void
main(int argc, char **argv)
{
- char *fontname;
- int Etimer;
- Event e;
+ char *fontname;
+ int Etimer;
+ Event e;
- sortlabels = 0;
- showwmnames = 0;
+ sortlabels = 0;
+ showwmnames = 0;
+ fontname = "/lib/font/bit/lucsans/unicode.8.font";
- fontname = "/lib/font/bit/lucsans/unicode.8.font";
+ ARGBEGIN {
+ case 'W':
+ winsize = EARGF(usage());
+ break;
+ case 'f':
+ fontname = EARGF(usage());
+ break;
+ case 'e':
+ exclude = regcomp(EARGF(usage()));
+ if(exclude==nil)
+ sysfatal("Bad regexp");
+ break;
+ case 's':
+ sortlabels = 1;
+ break;
+ case 'n':
+ showwmnames = 1;
+ break;
+ default:
+ usage();
+ } ARGEND;
- ARGBEGIN {
- case 'W':
- winsize = EARGF(usage());
- break;
- case 'f':
- fontname = EARGF(usage());
- break;
- case 'e':
- exclude = regcomp(EARGF(usage()));
- if (exclude == nil)
- sysfatal("Bad regexp");
- break;
- case 's':
- sortlabels = 1;
- break;
- case 'n':
- showwmnames = 1;
- break;
- default:
- usage();
- }
- ARGEND if (argc)
- usage();
+ if(argc)
+ usage();
- /* moved up from original winwatch.c for p9p because there can be only one but we want to restart when needed */
- einit(Emouse | Ekeyboard);
- Etimer = etimer(0, 1000);
+ /* moved up from original winwatch.c for p9p because there can be only one but we want to restart when needed */
+ einit(Emouse | Ekeyboard);
+ Etimer = etimer(0, 1000);
- dpy = XOpenDisplay("");
+ dpy = XOpenDisplay("");
+ if(dpy==nil)
+ sysfatal("open display: %r");
- if (dpy == nil)
- sysfatal("open display: %r");
+ root = DefaultRootWindow(dpy);
+ net_active_window = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False);
- root = DefaultRootWindow(dpy);
- net_active_window = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False);
+ initdraw(0, 0, "winwatch");
+ lightblue = allocimagemix(display, DPalebluegreen, DWhite);
+ if(lightblue==nil)
+ sysfatal("allocimagemix: %r");
+ font = openfont(display, fontname);
+ if(font==nil)
+ sysfatal("font '%s' not found", fontname);
- initdraw(0, 0, "winwatch");
- lightblue = allocimagemix(display, DPalebluegreen, DWhite);
- if (lightblue == nil)
- sysfatal("allocimagemix: %r");
- if ((font = openfont(display, fontname)) == nil)
- sysfatal("font '%s' not found", fontname);
+ /* reentry point upon X server errors */
+ setjmp(savebuf);
-
- /* reentry point upon X server errors */
- setjmp(savebuf);
-
- refreshwin();
- redraw(screen, 1);
-
- for (;;) {
- switch (eread(Emouse | Ekeyboard | Etimer, &e)) {
- case Ekeyboard:
- if (e.kbdc == 0x7F || e.kbdc == 'q')
- exits(0);
- break;
- case Emouse:
- if (e.mouse.buttons)
- click(e.mouse);
- /* fall through */
- default: /* Etimer */
- refreshwin();
- redraw(screen, 0);
- break;
- }
- }
+ refreshwin();
+ redraw(screen, 1);
+ for(;;){
+ switch(eread(Emouse|Ekeyboard|Etimer, &e)){
+ case Ekeyboard:
+ if(e.kbdc==0x7F || e.kbdc=='q')
+ exits(0);
+ break;
+ case Emouse:
+ if(e.mouse.buttons)
+ click(e.mouse);
+ /* fall through */
+ default: /* Etimer */
+ refreshwin();
+ redraw(screen, 0);
+ break;
+ }
+ }
}
