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Diffstat (limited to 'libX11/src/GetWAttrs.c')
| -rw-r--r-- | libX11/src/GetWAttrs.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/libX11/src/GetWAttrs.c b/libX11/src/GetWAttrs.c new file mode 100644 index 000000000..05f1c1124 --- /dev/null +++ b/libX11/src/GetWAttrs.c @@ -0,0 +1,157 @@ +/* $Xorg: GetWAttrs.c,v 1.4 2001/02/09 02:03:33 xorgcvs Exp $ */ +/* + +Copyright 1986, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ + +#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; + /* find correct screen so that applications find it easier.... */ + 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; +} + |