--- /dev/null
+/* Common code between client and shell widgets -- Xt only.
+ Copyright (C) 1993, 1994 Sun Microsystems, Inc.
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with this library; if not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+/* Synched up with: Not in FSF. */
+
+/* Written by Ben Wing, September 1993. */
+
+#ifdef emacs
+
+#include <config.h>
+
+#ifndef EXTERNAL_WIDGET
+ERROR! This ought not be getting compiled if EXTERNAL_WIDGET is undefined
+#endif
+
+void fatal (CONST char *fmt, ...);
+#else /* not emacs */
+static void fatal (char *msg);
+#endif
+
+#include <X11/Intrinsic.h>
+#include <X11/IntrinsicP.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "extw-Xt.h"
+
+/* Yeah, that's portable!
+
+ Why the hell didn't the Xt people just export this function
+ for real? */
+
+#if (XT_REVISION > 5)
+int _XtWaitForSomething(
+ XtAppContext app,
+ _XtBoolean ignoreEvents,
+ _XtBoolean ignoreTimers,
+ _XtBoolean ignoreInputs,
+ _XtBoolean ignoreSignals,
+ _XtBoolean block,
+#ifdef XTHREADS
+ _XtBoolean drop_lock,
+#endif
+ unsigned long *howlong);
+
+# ifndef XTHREADS
+# define _XtwaitForSomething(timers,inputs,events,block,howlong,appCtx) \
+ _XtWaitForSomething(appCtx,events,timers,inputs,0,block,howlong)
+# else
+# define _XtwaitForSomething(timers,inputs,events,block,howlong,appCtx) \
+ _XtWaitForSomething(appCtx,events,timers,inputs,0,block,1,howlong)
+# endif
+#else
+int _XtwaitForSomething(
+ Boolean ignoreTimers,
+ Boolean ignoreInputs,
+ Boolean ignoreEvents,
+ Boolean block,
+ unsigned long *howlong,
+ XtAppContext app
+ );
+#endif
+
+#ifdef DEBUG_WIDGET
+
+static int geom_masks[] = {
+ CWX, CWY, CWWidth, CWHeight, CWBorderWidth, CWSibling, CWStackMode,
+ XtCWQueryOnly };
+static char *geom_mask_strings[] = {
+ "CWX", "CWY", "CWWidth", "CWHeight", "CWBorderWidth",
+ "CWSibling", "CWStackMode", "XtCWQueryOnly" };
+static int stack_modes[] = {
+ Below, TopIf, BottomIf, Opposite, XtSMDontChange };
+static char *stack_mode_strings[] = {
+ "Below", "TopIf", "BottomIf", "Opposite", "XtSMDontChange" };
+
+static void
+print_geometry_structure(XtWidgetGeometry *xwg)
+{
+ int num = sizeof(geom_masks)/sizeof(int);
+ int i;
+
+ printf (" masks:");
+ for (i=0; i<num; i++)
+ if (xwg->request_mode & geom_masks[i])
+ printf (" %s", geom_mask_strings[i]);
+ printf ("\n");
+ printf (" x:%d y:%d\n", xwg->x, xwg->y);
+ printf (" width:%d height:%d border_width:%d\n", xwg->width,
+ xwg->height, xwg->border_width);
+ printf (" sibling: %x\n", xwg->sibling);
+ printf (" stack_mode: ");
+ for (i=0, num=sizeof(stack_modes)/sizeof(int); i<num; i++)
+ if (xwg->stack_mode == stack_modes[i]) {
+ printf ("%s", stack_mode_strings[i]);
+ break;
+ }
+ printf ("\n");
+}
+
+static void
+print_geometry_result (XtGeometryResult res)
+{
+ printf ("result: %s\n",
+ res == XtGeometryYes ? "XtGeometryYes" :
+ res == XtGeometryNo ? "XtGeometryNo" :
+ res == XtGeometryAlmost ? "XtGeometryAlmost" :
+ res == XtGeometryDone ? "XtGeometryDone" :
+ "unknown");
+}
+
+#endif
+
+#ifndef emacs
+
+static void
+fatal (char *msg)
+{
+ fprintf (stderr, "%s", msg);
+ exit (1);
+}
+
+#endif
+
+/* put a geometry specification in the specified property on the window
+ of the specified widget, and send a notification message to tell the
+ client-side widget about this. */
+
+void
+extw_send_geometry_value(Display *display, Window win, Atom property,
+ en_extw_notify type, XtWidgetGeometry *xwg,
+ long data0)
+{
+ if (xwg != NULL)
+ XChangeProperty(display, win, property,
+ a_EXTW_WIDGET_GEOMETRY, 32, PropModeReplace,
+ (unsigned char *) xwg, sizeof(*xwg)/sizeof(int));
+ extw_send_notify_3(display, win, type, data0, 0, 0);
+}
+
+/* get the geometry specification stored in the specified property of the
+ specified widget's window. */
+
+void
+extw_get_geometry_value(Display *display, Window win, Atom property,
+ XtWidgetGeometry *xwg)
+{
+ Atom dummy;
+ int format;
+ unsigned long nitems, bytes_after;
+ unsigned char *prop;
+
+ if (XGetWindowProperty(display, win, property, 0,
+ sizeof(*xwg)/4, False, a_EXTW_WIDGET_GEOMETRY,
+ &dummy, &format, &nitems, &bytes_after,
+ &prop) != Success)
+ goto error;
+ if (format != 8*sizeof(int) || bytes_after) {
+ XFree((char *) prop);
+ goto error;
+ }
+ *xwg = * (XtWidgetGeometry *) prop;
+ return;
+
+ error:
+ fatal("Unable to retrieve property for widget-geometry");
+#if 0
+ XtAppErrorMsg(XtWidgetToApplicationContext((Widget)w),
+ "invalidProperty","get_geometry_value",XtCXtToolkitError,
+ "Unable to retrieve property for widget-geometry",
+ (String *)NULL, (Cardinal *)NULL);
+#endif
+}
+
+typedef struct {
+ Widget w;
+ unsigned long request_num;
+ en_extw_notify type;
+} QueryStruct;
+
+/* check if an event is of the sort we're looking for */
+
+static Bool
+isMine(Display *dpy, XEvent *event, char *arg)
+{
+ QueryStruct *q = (QueryStruct *) arg;
+ Widget w = q->w;
+
+ if ( (dpy != XtDisplay(w)) || (event->xany.window != XtWindow(w)) ) {
+ return FALSE;
+ }
+ if (event->xany.serial >= q->request_num) {
+ if (event->type == ClientMessage &&
+ event->xclient.message_type == a_EXTW_NOTIFY &&
+ event->xclient.data.l[0] == 1 - extw_which_side &&
+ event->xclient.data.l[1] == q->type)
+ return TRUE;
+ }
+ return FALSE;
+}
+
+/* wait for a ClientMessage of the specified type from the other widget, or
+ time-out. isMine() determines whether an event matches. Culled from
+ Shell.c. */
+
+Bool
+extw_wait_for_response(Widget w, XEvent *event, unsigned long request_num,
+ en_extw_notify type, unsigned long timeout)
+{
+ XtAppContext app = XtWidgetToApplicationContext(w);
+ QueryStruct q;
+
+ XFlush(XtDisplay(w));
+ q.w = w;
+ q.request_num = request_num;
+ q.type = type;
+
+ for(;;) {
+ /*
+ * look for match event
+ */
+ if (XCheckIfEvent( XtDisplay(w), event, isMine, (char*)&q))
+ return TRUE;
+ if (_XtwaitForSomething(TRUE, TRUE, FALSE, TRUE, &timeout, app)
+ != -1) continue;
+ if (timeout == 0)
+ return FALSE;
+ }
+}