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-rw-r--r--nx-X11/lib/Xp/XpPage.c160
1 files changed, 160 insertions, 0 deletions
diff --git a/nx-X11/lib/Xp/XpPage.c b/nx-X11/lib/Xp/XpPage.c
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+++ b/nx-X11/lib/Xp/XpPage.c
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+/* $Xorg: XpPage.c,v 1.4 2001/03/06 13:59:02 pookie Exp $ */
+/******************************************************************************
+ ******************************************************************************
+ **
+ ** (c) Copyright 1996 Hewlett-Packard Company
+ ** (c) Copyright 1996 International Business Machines Corp.
+ ** (c) Copyright 1996 Sun Microsystems, Inc.
+ ** (c) Copyright 1996 Novell, Inc.
+ ** (c) Copyright 1996 Digital Equipment Corp.
+ ** (c) Copyright 1996 Fujitsu Limited
+ ** (c) Copyright 1996 Hitachi, Ltd.
+ **
+ ** Permission is hereby granted, free of charge, to any person obtaining a copy
+ ** of this software and associated documentation files (the "Software"), to deal
+ ** in the Software without restriction, including without limitation the rights
+ ** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ ** copies of the Software, and to permit persons to whom the Software is
+ ** furnished to do so, subject to the following conditions:
+ **
+ ** 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
+ ** COPYRIGHT HOLDERS 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 names of the copyright holders shall
+ ** not be used in advertising or otherwise to promote the sale, use or other
+ ** dealings in this Software without prior written authorization from said
+ ** copyright holders.
+ **
+ ******************************************************************************
+ *****************************************************************************/
+/* $XFree86: xc/lib/Xp/XpPage.c,v 1.4 2001/12/19 21:28:44 dawes Exp $ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/extensions/Printstr.h>
+#include <X11/Xlibint.h>
+#include "XpExtUtil.h"
+
+
+typedef struct {
+ int event_base_return;
+ XPContext context;
+} _XpDiscardPageRec;
+
+static Bool _XpDiscardPage(Display *dpy, XEvent *event, XPointer arg)
+{
+ _XpDiscardPageRec *disrec = (_XpDiscardPageRec *) arg;
+
+ if (event->type != disrec->event_base_return + XPPrintNotify)
+ return False;
+
+ if (disrec->context != ((XPPrintEvent *) event)->context)
+ return False;
+
+ if (((XPPrintEvent *) event)->detail == XPEndPageNotify) {
+ return False;
+ }
+
+ return True;
+}
+
+
+void
+XpStartPage (
+ Display *dpy,
+ Window window
+)
+{
+ xPrintStartPageReq *req;
+ XExtDisplayInfo *info = (XExtDisplayInfo *) xp_find_display (dpy);
+
+ XMapWindow(dpy, window);
+ if (XpCheckExtInit(dpy, XP_INITIAL_RELEASE) == -1)
+ return; /* NoSuchExtension */
+
+ LockDisplay (dpy);
+
+ GetReq(PrintStartPage,req);
+ req->reqType = info->codes->major_opcode;
+ req->printReqType = X_PrintStartPage;
+ req->window = window;
+
+ UnlockDisplay (dpy);
+ SyncHandle ();
+}
+
+
+void
+XpEndPage (
+ Display *dpy
+)
+{
+ xPrintEndPageReq *req;
+ XExtDisplayInfo *info = (XExtDisplayInfo *) xp_find_display (dpy);
+
+ if (XpCheckExtInit(dpy, XP_INITIAL_RELEASE) == -1)
+ return; /* NoSuchExtension */
+
+ LockDisplay (dpy);
+
+ GetReq(PrintEndPage,req);
+ req->reqType = info->codes->major_opcode;
+ req->printReqType = X_PrintEndPage;
+ req->cancel = False;
+
+ UnlockDisplay (dpy);
+ SyncHandle ();
+}
+
+
+void
+XpCancelPage (
+ Display *dpy,
+ Bool discard
+)
+{
+ xPrintEndPageReq *req;
+ XExtDisplayInfo *info = (XExtDisplayInfo *) xp_find_display (dpy);
+
+ _XpDiscardPageRec disrec;
+ XEvent event;
+
+
+ if (XpCheckExtInit(dpy, XP_INITIAL_RELEASE) == -1)
+ return; /* NoSuchExtension */
+
+ LockDisplay (dpy);
+
+ GetReq(PrintEndPage,req);
+ req->reqType = info->codes->major_opcode;
+ req->printReqType = X_PrintEndPage;
+ req->cancel = True;
+
+ UnlockDisplay (dpy);
+ SyncHandle ();
+
+ if (discard) {
+ /*
+ * get context and effectively do a sync of events.
+ */
+ disrec.event_base_return = info->codes->first_event;
+ disrec.context = XpGetContext(dpy);
+
+ /*
+ * discard page XPPrintNotify events.
+ */
+ while (XCheckIfEvent(dpy, &event, _XpDiscardPage, (XPointer) &disrec))
+ {
+ /*EMPTY*/
+ }
+ }
+}
+