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-rw-r--r--nx-X11/lib/Xext/XShape.c490
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diff --git a/nx-X11/lib/Xext/XShape.c b/nx-X11/lib/Xext/XShape.c
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+/*
+ * $Xorg: XShape.c,v 1.4 2001/02/09 02:03:49 xorgcvs Exp $
+ *
+Copyright 1989, 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.
+ *
+ * Author: Keith Packard, MIT X Consortium
+ */
+/* $XFree86: xc/lib/Xext/XShape.c,v 1.3 2002/10/16 00:37:27 dawes Exp $ */
+#define NEED_EVENTS
+#define NEED_REPLIES
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/Xlibint.h>
+#include <X11/Xutil.h>
+#include <X11/Xregion.h>
+#include <X11/extensions/Xext.h>
+#include <X11/extensions/extutil.h>
+#include <X11/extensions/shapestr.h>
+
+static XExtensionInfo _shape_info_data;
+static XExtensionInfo *shape_info = &_shape_info_data;
+static /* const */ char *shape_extension_name = SHAPENAME;
+
+#define ShapeCheckExtension(dpy,i,val) \
+ XextCheckExtension (dpy, i, shape_extension_name, val)
+#define ShapeSimpleCheckExtension(dpy,i) \
+ XextSimpleCheckExtension (dpy, i, shape_extension_name)
+
+
+/*****************************************************************************
+ * *
+ * private utility routines *
+ * *
+ *****************************************************************************/
+
+static int close_display(Display *dpy, XExtCodes *codes);
+static Bool wire_to_event (Display *dpy, XEvent *re, xEvent *event);
+static Status event_to_wire (Display *dpy, XEvent *re, xEvent *event);
+static /* const */ XExtensionHooks shape_extension_hooks = {
+ NULL, /* create_gc */
+ NULL, /* copy_gc */
+ NULL, /* flush_gc */
+ NULL, /* free_gc */
+ NULL, /* create_font */
+ NULL, /* free_font */
+ close_display, /* close_display */
+ wire_to_event, /* wire_to_event */
+ event_to_wire, /* event_to_wire */
+ NULL, /* error */
+ NULL, /* error_string */
+};
+
+static XEXT_GENERATE_FIND_DISPLAY (find_display, shape_info,
+ shape_extension_name,
+ &shape_extension_hooks,
+ ShapeNumberEvents, NULL)
+
+static XEXT_GENERATE_CLOSE_DISPLAY (close_display, shape_info)
+
+
+static Bool
+wire_to_event (Display *dpy, XEvent *re, xEvent *event)
+{
+ XExtDisplayInfo *info = find_display (dpy);
+ XShapeEvent *se;
+ xShapeNotifyEvent *sevent;
+
+ ShapeCheckExtension (dpy, info, False);
+
+ switch ((event->u.u.type & 0x7f) - info->codes->first_event) {
+ case ShapeNotify:
+ se = (XShapeEvent *) re;
+ sevent = (xShapeNotifyEvent *) event;
+ se->type = sevent->type & 0x7f;
+ se->serial = _XSetLastRequestRead(dpy,(xGenericReply *) event);
+ se->send_event = (sevent->type & 0x80) != 0;
+ se->display = dpy;
+ se->window = sevent->window;
+ se->kind = sevent->kind;
+ se->x = cvtINT16toInt (sevent->x);
+ se->y = cvtINT16toInt (sevent->y);
+ se->width = sevent->width;
+ se->height = sevent->height;
+ se->time = sevent->time;
+ se->shaped = True;
+ if (sevent->shaped == xFalse)
+ se->shaped = False;
+ return True;
+ }
+ return False;
+}
+
+static Status
+event_to_wire (Display *dpy, XEvent *re, xEvent *event)
+{
+ XExtDisplayInfo *info = find_display (dpy);
+ XShapeEvent *se;
+ xShapeNotifyEvent *sevent;
+
+ ShapeCheckExtension (dpy, info, 0);
+
+ switch ((re->type & 0x7f) - info->codes->first_event) {
+ case ShapeNotify:
+ se = (XShapeEvent *) re;
+ sevent = (xShapeNotifyEvent *) event;
+ sevent->type = se->type | (se->send_event ? 0x80 : 0);
+ sevent->sequenceNumber = se->serial & 0xffff;
+ sevent->window = se->window;
+ sevent->kind = se->kind;
+ sevent->x = se->x;
+ sevent->y = se->y;
+ sevent->width = se->width;
+ sevent->height = se->height;
+ sevent->time = se->time;
+ return 1;
+ }
+ return 0;
+}
+
+
+/****************************************************************************
+ * *
+ * Shape public interfaces *
+ * *
+ ****************************************************************************/
+
+Bool XShapeQueryExtension (Display *dpy, int *event_basep, int *error_basep)
+{
+ XExtDisplayInfo *info = find_display (dpy);
+
+ if (XextHasExtension(info)) {
+ *event_basep = info->codes->first_event;
+ *error_basep = info->codes->first_error;
+ return True;
+ } else {
+ return False;
+ }
+}
+
+
+Status XShapeQueryVersion(
+ Display *dpy,
+ int *major_versionp,
+ int *minor_versionp)
+{
+ XExtDisplayInfo *info = find_display (dpy);
+ xShapeQueryVersionReply rep;
+ register xShapeQueryVersionReq *req;
+
+ ShapeCheckExtension (dpy, info, 0);
+
+ LockDisplay (dpy);
+ GetReq (ShapeQueryVersion, req);
+ req->reqType = info->codes->major_opcode;
+ req->shapeReqType = X_ShapeQueryVersion;
+ if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) {
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ return 0;
+ }
+ *major_versionp = rep.majorVersion;
+ *minor_versionp = rep.minorVersion;
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ return 1;
+}
+
+void XShapeCombineRegion(
+ register Display *dpy,
+ Window dest,
+ int destKind, int xOff, int yOff,
+ register REGION *r,
+ int op)
+{
+ XExtDisplayInfo *info = find_display (dpy);
+ register xShapeRectanglesReq *req;
+ register long nbytes;
+ register int i;
+ register XRectangle *xr, *pr;
+ register BOX *pb;
+
+ ShapeSimpleCheckExtension (dpy, info);
+
+ LockDisplay(dpy);
+ GetReq(ShapeRectangles, req);
+ xr = (XRectangle *)
+ _XAllocScratch(dpy, (unsigned long)(r->numRects * sizeof (XRectangle)));
+ for (pr = xr, pb = r->rects, i = r->numRects; --i >= 0; pr++, pb++) {
+ pr->x = pb->x1;
+ pr->y = pb->y1;
+ pr->width = pb->x2 - pb->x1;
+ pr->height = pb->y2 - pb->y1;
+ }
+ req->reqType = info->codes->major_opcode;
+ req->shapeReqType = X_ShapeRectangles;
+ req->op = op;
+ req->ordering = YXBanded;
+ req->destKind = destKind;
+ req->dest = dest;
+ req->xOff = xOff;
+ req->yOff = yOff;
+
+ /* SIZEOF(xRectangle) will be a multiple of 4 */
+ req->length += r->numRects * (SIZEOF(xRectangle) / 4);
+
+ nbytes = r->numRects * sizeof(xRectangle);
+
+ Data16 (dpy, (short *) xr, nbytes);
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
+
+void XShapeCombineRectangles (
+ register Display *dpy,
+ XID dest,
+ int destKind, int xOff, int yOff,
+ XRectangle *rects,
+ int n_rects,
+ int op, int ordering)
+{
+ XExtDisplayInfo *info = find_display (dpy);
+ register xShapeRectanglesReq *req;
+ register long nbytes;
+
+ ShapeSimpleCheckExtension (dpy, info);
+
+ LockDisplay(dpy);
+ GetReq(ShapeRectangles, req);
+ req->reqType = info->codes->major_opcode;
+ req->shapeReqType = X_ShapeRectangles;
+ req->op = op;
+ req->ordering = ordering;
+ req->destKind = destKind;
+ req->dest = dest;
+ req->xOff = xOff;
+ req->yOff = yOff;
+
+ /* SIZEOF(xRectangle) will be a multiple of 4 */
+ req->length += n_rects * (SIZEOF(xRectangle) / 4);
+
+ nbytes = n_rects * sizeof(xRectangle);
+
+ Data16 (dpy, (short *) rects, nbytes);
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
+
+void XShapeCombineMask (
+ register Display *dpy,
+ XID dest,
+ int destKind,
+ int xOff, int yOff,
+ Pixmap src,
+ int op)
+{
+ XExtDisplayInfo *info = find_display (dpy);
+ register xShapeMaskReq *req;
+
+ ShapeSimpleCheckExtension (dpy, info);
+
+ LockDisplay(dpy);
+ GetReq(ShapeMask, req);
+ req->reqType = info->codes->major_opcode;
+ req->shapeReqType = X_ShapeMask;
+ req->op = op;
+ req->destKind = destKind;
+ req->dest = dest;
+ req->xOff = xOff;
+ req->yOff = yOff;
+ req->src = src;
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
+void XShapeCombineShape (
+ register Display *dpy,
+ XID dest,
+ int destKind,
+ int xOff, int yOff,
+ XID src,
+ int srcKind,
+ int op)
+{
+ XExtDisplayInfo *info = find_display (dpy);
+ register xShapeCombineReq *req;
+
+ ShapeSimpleCheckExtension (dpy, info);
+
+ LockDisplay(dpy);
+ GetReq(ShapeCombine, req);
+ req->reqType = info->codes->major_opcode;
+ req->shapeReqType = X_ShapeCombine;
+ req->op = op;
+ req->destKind = destKind;
+ req->srcKind = srcKind;
+ req->dest = dest;
+ req->xOff = xOff;
+ req->yOff = yOff;
+ req->src = src;
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
+void XShapeOffsetShape (
+ register Display *dpy,
+ XID dest,
+ int destKind,
+ int xOff, int yOff)
+{
+ XExtDisplayInfo *info = find_display (dpy);
+ register xShapeOffsetReq *req;
+
+ ShapeSimpleCheckExtension (dpy, info);
+
+ LockDisplay(dpy);
+ GetReq(ShapeOffset, req);
+ req->reqType = info->codes->major_opcode;
+ req->shapeReqType = X_ShapeOffset;
+ req->destKind = destKind;
+ req->dest = dest;
+ req->xOff = xOff;
+ req->yOff = yOff;
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+
+Status XShapeQueryExtents (
+ register Display *dpy,
+ Window window,
+ int *bShaped, int *xbs, int *ybs, unsigned int *wbs, unsigned int *hbs, /* RETURN */
+ int *cShaped, int *xcs, int *ycs, unsigned int *wcs, unsigned int *hcs /* RETURN */)
+{
+ XExtDisplayInfo *info = find_display (dpy);
+ xShapeQueryExtentsReply rep;
+ register xShapeQueryExtentsReq *req;
+
+ ShapeCheckExtension (dpy, info, 0);
+
+ LockDisplay (dpy);
+ GetReq (ShapeQueryExtents, req);
+ req->reqType = info->codes->major_opcode;
+ req->shapeReqType = X_ShapeQueryExtents;
+ req->window = window;
+ if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) {
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ return 0;
+ }
+ *bShaped = rep.boundingShaped;
+ *cShaped = rep.clipShaped;
+ *xbs = cvtINT16toInt (rep.xBoundingShape);
+ *ybs = cvtINT16toInt (rep.yBoundingShape);
+ *wbs = rep.widthBoundingShape;
+ *hbs = rep.heightBoundingShape;
+ *xcs = cvtINT16toInt (rep.xClipShape);
+ *ycs = cvtINT16toInt (rep.yClipShape);
+ *wcs = rep.widthClipShape;
+ *hcs = rep.heightClipShape;
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ return 1;
+}
+
+
+void XShapeSelectInput (
+ register Display *dpy,
+ Window window,
+ unsigned long mask)
+{
+ XExtDisplayInfo *info = find_display (dpy);
+ register xShapeSelectInputReq *req;
+
+ ShapeSimpleCheckExtension (dpy, info);
+
+ LockDisplay (dpy);
+ GetReq (ShapeSelectInput, req);
+ req->reqType = info->codes->major_opcode;
+ req->shapeReqType = X_ShapeSelectInput;
+ req->window = window;
+ if (mask & ShapeNotifyMask)
+ req->enable = xTrue;
+ else
+ req->enable = xFalse;
+ UnlockDisplay (dpy);
+ SyncHandle ();
+}
+
+unsigned long XShapeInputSelected (register Display *dpy, Window window)
+{
+ XExtDisplayInfo *info = find_display (dpy);
+ register xShapeInputSelectedReq *req;
+ xShapeInputSelectedReply rep;
+
+ ShapeCheckExtension (dpy, info, False);
+
+ LockDisplay (dpy);
+ GetReq (ShapeInputSelected, req);
+ req->reqType = info->codes->major_opcode;
+ req->shapeReqType = X_ShapeInputSelected;
+ req->window = window;
+ if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) {
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ return False;
+ }
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ return rep.enabled ? ShapeNotifyMask : 0L;
+}
+
+
+XRectangle *XShapeGetRectangles (
+ register Display *dpy,
+ Window window,
+ int kind,
+ int *count, /* RETURN */
+ int *ordering /* RETURN */)
+{
+ XExtDisplayInfo *info = find_display (dpy);
+ register xShapeGetRectanglesReq *req;
+ xShapeGetRectanglesReply rep;
+ XRectangle *rects;
+ xRectangle *xrects;
+ int i;
+
+ ShapeCheckExtension (dpy, info, (XRectangle *)NULL);
+
+ LockDisplay (dpy);
+ GetReq (ShapeGetRectangles, req);
+ req->reqType = info->codes->major_opcode;
+ req->shapeReqType = X_ShapeGetRectangles;
+ req->window = window;
+ req->kind = kind;
+ if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) {
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ return (XRectangle *)NULL;
+ }
+ *count = rep.nrects;
+ *ordering = rep.ordering;
+ rects = 0;
+ if (*count) {
+ xrects = (xRectangle *) Xmalloc (*count * sizeof (xRectangle));
+ rects = (XRectangle *) Xmalloc (*count * sizeof (XRectangle));
+ if (!xrects || !rects) {
+ if (xrects)
+ Xfree (xrects);
+ if (rects)
+ Xfree (rects);
+ _XEatData (dpy, *count * sizeof (xRectangle));
+ rects = 0;
+ *count = 0;
+ } else {
+ _XRead (dpy, (char *) xrects, *count * sizeof (xRectangle));
+ for (i = 0; i < *count; i++) {
+ rects[i].x = (short) cvtINT16toInt (xrects[i].x);
+ rects[i].y = (short) cvtINT16toInt (xrects[i].y);
+ rects[i].width = xrects[i].width;
+ rects[i].height = xrects[i].height;
+ }
+ Xfree (xrects);
+ }
+ }
+ UnlockDisplay (dpy);
+ SyncHandle ();
+ return rects;
+}
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