#define NEED_REPLIES
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "Xlibint.h"
typedef struct _WAttrsState {
unsigned long attr_seq;
unsigned long geom_seq;
XWindowAttributes *attr;
} _XWAttrsState;
static Bool
_XWAttrsHandler(
register Display *dpy,
register xReply *rep,
char *buf,
int len,
XPointer data)
{
register _XWAttrsState *state;
xGetWindowAttributesReply replbuf;
register xGetWindowAttributesReply *repl;
register XWindowAttributes *attr;
state = (_XWAttrsState *)data;
if (dpy->last_request_read != state->attr_seq) {
if (dpy->last_request_read == state->geom_seq &&
!state->attr &&
rep->generic.type == X_Error &&
rep->error.errorCode == BadDrawable)
return True;
return False;
}
if (rep->generic.type == X_Error) {
state->attr = (XWindowAttributes *)NULL;
return False;
}
repl = (xGetWindowAttributesReply *)
_XGetAsyncReply(dpy, (char *)&replbuf, rep, buf, len,
(SIZEOF(xGetWindowAttributesReply) - SIZEOF(xReply)) >> 2,
True);
attr = state->attr;
attr->class = repl->class;
attr->bit_gravity = repl->bitGravity;
attr->win_gravity = repl->winGravity;
attr->backing_store = repl->backingStore;
attr->backing_planes = repl->backingBitPlanes;
attr->backing_pixel = repl->backingPixel;
attr->save_under = repl->saveUnder;
attr->colormap = repl->colormap;
attr->map_installed = repl->mapInstalled;
attr->map_state = repl->mapState;
attr->all_event_masks = repl->allEventMasks;
attr->your_event_mask = repl->yourEventMask;
attr->do_not_propagate_mask = repl->doNotPropagateMask;
attr->override_redirect = repl->override;
attr->visual = _XVIDtoVisual (dpy, repl->visualID);
return True;
}
Status
_XGetWindowAttributes(
register Display *dpy,
Window w,
XWindowAttributes *attr)
{
xGetGeometryReply rep;
register xResourceReq *req;
register int i;
register Screen *sp;
_XAsyncHandler async;
_XWAttrsState async_state;
GetResReq(GetWindowAttributes, w, req);
async_state.attr_seq = dpy->request;
async_state.geom_seq = 0;
async_state.attr = attr;
async.next = dpy->async_handlers;
async.handler = _XWAttrsHandler;
async.data = (XPointer)&async_state;
dpy->async_handlers = &async;
GetResReq(GetGeometry, w, req);
async_state.geom_seq = dpy->request;
if (!_XReply (dpy, (xReply *)&rep, 0, xTrue)) {
DeqAsyncHandler(dpy, &async);
return (0);
}
DeqAsyncHandler(dpy, &async);
if (!async_state.attr) {
return (0);
}
attr->x = cvtINT16toInt (rep.x);
attr->y = cvtINT16toInt (rep.y);
attr->width = rep.width;
attr->height = rep.height;
attr->border_width = rep.borderWidth;
attr->depth = rep.depth;
attr->root = rep.root;
for (i = 0; i < dpy->nscreens; i++) {
sp = &dpy->screens[i];
if (sp->root == attr->root) {
attr->screen = sp;
break;
}
}
return(1);
}
Status
XGetWindowAttributes(
Display *dpy,
Window w,
XWindowAttributes *attr)
{
Status ret;
LockDisplay(dpy);
ret = _XGetWindowAttributes(dpy, w, attr);
UnlockDisplay(dpy);
SyncHandle();
return ret;
}