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Fix resize error under KDE (Bart Locanthi)

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This commit is contained in:
rsc 2006-07-05 22:27:26 +00:00
parent e50b313e64
commit 2bdefab1da
3 changed files with 54 additions and 27 deletions
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60
src/cmd/devdraw/x11-srv.c
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@ -48,10 +48,10 @@ struct Kbdbuf
struct Mousebuf
{
Mouse m[32];
int resized[32];
int ri;
int wi;
int stall;
int resized;
};
struct Tagbuf
@ -75,7 +75,6 @@ Fdbuf fdin;
Fdbuf fdout;
Tagbuf kbdtags;
Tagbuf mousetags;
Tagbuf resizetags;
void fdslide(Fdbuf*);
void runmsg(Wsysmsg*);
@ -83,7 +82,6 @@ void replymsg(Wsysmsg*);
void runxevent(XEvent*);
void matchkbd(void);
void matchmouse(void);
void matchresized(void);
int fdnoblock(int);
int chatty;
@ -112,6 +110,19 @@ main(int argc, char **argv)
Wsysmsg m;
XEvent event;
/*
* Move the protocol off stdin/stdout so that
* any inadvertent prints don't screw things up.
*/
dup(0, 3);
dup(1, 4);
close(0);
close(1);
open("/dev/null", OREAD);
open("/dev/null", OWRITE);
fmtinstall('W', drawfcallfmt);
ARGBEGIN{
case 'D':
chatty++;
@ -132,8 +143,8 @@ main(int argc, char **argv)
fdout.rp = fdout.wp = fdout.buf;
fdout.ep = fdout.buf+sizeof fdout.buf;
fdnoblock(0);
fdnoblock(1);
fdnoblock(3);
fdnoblock(4);
firstx = 1;
_x.fd = -1;
@ -147,12 +158,12 @@ main(int argc, char **argv)
* already filled the output buffer too much.
*/
if(fdout.wp < fdout.buf+MAXWMSG && fdin.wp < fdin.ep)
FD_SET(0, &rd);
FD_SET(3, &rd);
if(fdout.wp > fdout.rp)
FD_SET(1, &wr);
FD_SET(0, &xx);
FD_SET(1, &xx);
top = 1;
FD_SET(4, &wr);
FD_SET(3, &xx);
FD_SET(4, &xx);
top = 4;
if(_x.fd >= 0){
if(firstx){
firstx = 0;
@ -161,7 +172,8 @@ main(int argc, char **argv)
FD_SET(_x.fd, &rd);
FD_SET(_x.fd, &xx);
XFlush(_x.display);
top = _x.fd;
if(_x.fd > top)
top = _x.fd;
}
if(chatty)
@ -181,7 +193,7 @@ main(int argc, char **argv)
{
/* read what we can */
n = 1;
while(fdin.wp < fdin.ep && (n = read(0, fdin.wp, fdin.ep-fdin.wp)) > 0)
while(fdin.wp < fdin.ep && (n = read(3, fdin.wp, fdin.ep-fdin.wp)) > 0)
fdin.wp += n;
if(n == 0){
if(chatty)
@ -193,6 +205,7 @@ main(int argc, char **argv)
/* pick off messages one by one */
while((n = convM2W(fdin.rp, fdin.wp-fdin.rp, &m)) > 0){
/* fprint(2, "<- %W\n", &m); */
runmsg(&m);
fdin.rp += n;
}
@ -203,7 +216,7 @@ main(int argc, char **argv)
{
/* write what we can */
n = 1;
while(fdout.rp < fdout.wp && (n = write(1, fdout.rp, fdout.wp-fdout.rp)) > 0)
while(fdout.rp < fdout.wp && (n = write(4, fdout.rp, fdout.wp-fdout.rp)) > 0)
fdout.rp += n;
if(n == 0)
sysfatal("short write writing wsys");
@ -283,6 +296,7 @@ runmsg(Wsysmsg *m)
mousetags.wi = 0;
if(mousetags.wi == mousetags.ri)
sysfatal("too many queued mouse reads");
/* fprint(2, "mouse unstall\n"); */
mouse.stall = 0;
matchmouse();
break;
@ -376,6 +390,7 @@ replymsg(Wsysmsg *m)
if(m->type%2 == 0)
m->type++;
/* fprint(2, "-> %W\n", m); */
/* copy to output buffer */
n = sizeW2M(m);
if(fdout.wp+n > fdout.ep)
@ -414,15 +429,18 @@ matchmouse(void)
{
Wsysmsg m;
if(mouse.stall)
return;
while(mouse.ri != mouse.wi && mousetags.ri != mousetags.wi){
m.type = Rrdmouse;
m.tag = mousetags.t[mousetags.ri++];
if(mousetags.ri == nelem(mousetags.t))
mousetags.ri = 0;
m.mouse = mouse.m[mouse.ri];
m.resized = mouse.resized[mouse.ri];
m.resized = mouse.resized;
/*
if(m.resized)
fprint(2, "sending resize\n");
*/
mouse.resized = 0;
mouse.ri++;
if(mouse.ri == nelem(mouse.m))
mouse.ri = 0;
@ -451,7 +469,7 @@ runxevent(XEvent *xev)
case ConfigureNotify:
if(_xconfigure(xev)){
mouse.resized[mouse.wi] = 1;
mouse.resized = 1;
_xreplacescreenimage();
goto addmouse;
}
@ -464,14 +482,18 @@ runxevent(XEvent *xev)
return;
if(_xtoplan9mouse(xev, &m) < 0)
return;
mouse.resized[mouse.wi] = 0;
addmouse:
mouse.m[mouse.wi] = m;
mouse.wi++;
if(mouse.wi == nelem(mouse.m))
mouse.wi = 0;
if(mouse.wi == mouse.ri)
if(mouse.wi == mouse.ri){
mouse.stall = 1;
mouse.ri = 0;
mouse.wi = 1;
mouse.m[0] = m;
/* fprint(2, "mouse stall\n"); */
}
matchmouse();
break;