R6.6 is the Xorg base-lineXORG-MAIN

1 files changed, 438 insertions, 0 deletions

diff --git a/src/SetValues.c b/src/SetValues.c
new file mode 100644
index 0000000..e7f0c2e
--- /dev/null
+++ b/src/SetValues.c
@@ -0,0 +1,438 @@
+/* $Xorg: SetValues.c,v 1.4 2001/02/09 02:03:58 xorgcvs Exp $ */
+
+/***********************************************************
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts
+Copyright 1993 by Sun Microsystems, Inc. Mountain View, CA.
+
+                        All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its 
+documentation for any purpose and without fee is hereby granted, 
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in 
+supporting documentation, and that the names of Digital or Sun not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.  
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+SUN DISCLAIMS ALL WARRANTIES WITH REGARD TO  THIS  SOFTWARE,
+INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT-
+NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SUN BE  LI-
+ABLE  FOR  ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,  DATA  OR
+PROFITS,  WHETHER  IN  AN  ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION  WITH
+THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
+/*
+
+Copyright 1987, 1988, 1994, 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.
+
+*/
+
+#include "IntrinsicI.h"
+
+/*
+ *	XtSetValues(), XtSetSubvalues()
+ */
+
+
+extern void _XtCopyFromArg();
+extern XrmResourceList* _XtCreateIndirectionTable();
+
+static void SetValues(base, res, num_resources, args, num_args)
+  char*			base;		/* Base address to write values to   */
+  XrmResourceList*	res;		/* The current resource values.      */
+  register Cardinal	num_resources;	/* number of items in resources      */
+  ArgList 		args;		/* The resource values to set        */
+  Cardinal		num_args;	/* number of items in arg list       */
+{
+    register ArgList		arg;
+    register int 	        i;
+    register XrmName		argName;
+    register XrmResourceList*   xrmres;
+
+    /* Resource lists are assumed to be in compiled form already via the
+       initial XtGetResources, XtGetSubresources calls */
+
+    for (arg = args ; num_args != 0; num_args--, arg++) {
+	argName = StringToName(arg->name);
+	for (xrmres = res, i = 0; i < num_resources; i++, xrmres++) {
+	    if (argName == (*xrmres)->xrm_name) {
+		_XtCopyFromArg(arg->value,
+		    base - (*xrmres)->xrm_offset - 1,
+		    (*xrmres)->xrm_size);
+		break;
+	    }
+	}
+    }
+} /* SetValues */
+
+static Boolean CallSetValues (class, current, request, new, args, num_args)
+    WidgetClass class;
+    Widget      current, request, new;
+    ArgList     args;
+    Cardinal    num_args;
+{
+    Boolean redisplay = FALSE;
+    WidgetClass superclass;
+    XtArgsFunc set_values_hook;
+    XtSetValuesFunc set_values;
+
+    LOCK_PROCESS;
+    superclass = class->core_class.superclass;
+    UNLOCK_PROCESS;
+    if (superclass)
+        redisplay = 
+	    CallSetValues(superclass, current, request, new, args, num_args);
+
+    LOCK_PROCESS;
+    set_values = class->core_class.set_values;
+    UNLOCK_PROCESS;
+    if (set_values)
+        redisplay |= (*set_values) (current, request, new, args, &num_args);
+
+    LOCK_PROCESS;
+    set_values_hook = class->core_class.set_values_hook;
+    UNLOCK_PROCESS;
+    if (set_values_hook)
+	redisplay |= (*set_values_hook) (new, args, &num_args);
+    return (redisplay);
+}
+
+static Boolean
+CallConstraintSetValues (class, current, request, new, args, num_args)
+    ConstraintWidgetClass class;
+    Widget      current, request, new;
+    ArgList     args;
+    Cardinal    num_args;
+{
+    Boolean redisplay = FALSE;
+    XtSetValuesFunc set_values;
+    ConstraintWidgetClass superclass;
+
+    if ((WidgetClass)class != constraintWidgetClass) {
+	if (class == NULL)
+	    XtAppErrorMsg(XtWidgetToApplicationContext(current),
+		    "invalidClass","constraintSetValue",XtCXtToolkitError,
+                 "Subclass of Constraint required in CallConstraintSetValues",
+                  (String *)NULL, (Cardinal *)NULL);
+	LOCK_PROCESS;
+	superclass = (ConstraintWidgetClass) class->core_class.superclass;
+	UNLOCK_PROCESS;
+	redisplay = 
+	   CallConstraintSetValues(superclass,
+				   current, request, new, args, num_args);
+    }
+    LOCK_PROCESS;
+    set_values = class->constraint_class.set_values;
+    UNLOCK_PROCESS;
+    if (set_values)
+        redisplay |= (*set_values) (current, request, new, args, &num_args);
+    return (redisplay);
+}
+
+void XtSetSubvalues(base, resources, num_resources, args, num_args)
+  XtPointer             base;           /* Base address to write values to   */
+  register XtResourceList resources;    /* The current resource values.      */
+  register Cardinal     num_resources;  /* number of items in resources      */
+  ArgList               args;           /* The resource values to set        */
+  Cardinal              num_args;       /* number of items in arg list       */
+{
+      register XrmResourceList*   xrmres;
+      xrmres = _XtCreateIndirectionTable (resources, num_resources);
+      SetValues((char*)base,xrmres,num_resources, args, num_args);
+      XtFree((char *)xrmres);
+}
+
+
+void XtSetValues(w, args, num_args)
+    register Widget   w;
+	     ArgList  args;
+	     Cardinal num_args;
+{
+    register Widget oldw, reqw;
+    /* need to use strictest alignment rules possible in next two decls. */
+    double	    oldwCache[100], reqwCache[100];
+    double	    oldcCache[20], reqcCache[20];
+    Cardinal	    widgetSize, constraintSize;
+    Boolean	    redisplay, cleared_rect_obj = False;
+    XtGeometryResult result;
+    XtWidgetGeometry geoReq, geoReply;
+    WidgetClass     wc;
+    ConstraintWidgetClass cwc;
+    Boolean	    hasConstraints;
+    XtAlmostProc set_values_almost;
+    XtAppContext app = XtWidgetToApplicationContext(w);
+    Widget hookobj = XtHooksOfDisplay(XtDisplayOfObject(w));
+
+    LOCK_APP(app);
+    wc = XtClass(w);
+    if ((args == NULL) && (num_args != 0)) {
+        XtAppErrorMsg(app,
+		"invalidArgCount","xtSetValues",XtCXtToolkitError,
+                "Argument count > 0 on NULL argument list in XtSetValues",
+                 (String *)NULL, (Cardinal *)NULL);
+    }
+
+    /* Allocate and copy current widget into old widget */
+
+    LOCK_PROCESS;
+    widgetSize = wc->core_class.widget_size;
+    UNLOCK_PROCESS;
+    oldw = (Widget) XtStackAlloc(widgetSize, oldwCache);
+    reqw = (Widget) XtStackAlloc (widgetSize, reqwCache);
+    (void) memmove((char *) oldw, (char *) w, (int) widgetSize);
+
+    /* Set resource values */
+
+    LOCK_PROCESS;
+    SetValues((char*)w, (XrmResourceList *) wc->core_class.resources,
+	wc->core_class.num_resources, args, num_args);
+    UNLOCK_PROCESS;
+
+    (void) memmove ((char *) reqw, (char *) w, (int) widgetSize);
+
+    hasConstraints = (XtParent(w) != NULL && !XtIsShell(w) && XtIsConstraint(XtParent(w)));
+
+    /* Some widget sets apparently do ugly things by freeing the
+     * constraints on some children, thus the extra test here */
+    if (hasConstraints) {
+	cwc = (ConstraintWidgetClass) XtClass(w->core.parent);
+	if (w->core.constraints) {
+	    LOCK_PROCESS;
+	    constraintSize = cwc->constraint_class.constraint_size;
+	    UNLOCK_PROCESS;
+	} else constraintSize = 0;
+    } else constraintSize = 0;
+	
+    if (constraintSize) {
+	/* Allocate and copy current constraints into oldw */
+	oldw->core.constraints = XtStackAlloc(constraintSize, oldcCache);
+	reqw->core.constraints = XtStackAlloc(constraintSize, reqcCache);
+	(void) memmove((char *) oldw->core.constraints, 
+		       (char *) w->core.constraints, (int) constraintSize);
+
+	/* Set constraint values */
+	LOCK_PROCESS;
+	SetValues((char*)w->core.constraints,
+	    (XrmResourceList *)(cwc->constraint_class.resources),
+	    cwc->constraint_class.num_resources, args, num_args);
+	UNLOCK_PROCESS;
+	(void) memmove((char *) reqw->core.constraints, 
+		       (char *) w->core.constraints, (int) constraintSize);
+    }
+
+    /* Inform widget of changes, then inform parent of changes */
+    redisplay = CallSetValues (wc, oldw, reqw, w, args, num_args);
+    if (hasConstraints) {
+	redisplay |= CallConstraintSetValues(cwc, oldw, reqw, w, args, num_args);
+    }
+
+    if (XtHasCallbacks(hookobj, XtNchangeHook) == XtCallbackHasSome) {
+	XtChangeHookDataRec call_data;
+	XtChangeHookSetValuesDataRec set_val;
+
+	set_val.old = oldw;
+	set_val.req = reqw;
+	set_val.args = args;
+	set_val.num_args = num_args;
+	call_data.type = XtHsetValues;
+	call_data.widget = w;
+	call_data.event_data = (XtPointer) &set_val;
+	XtCallCallbackList(hookobj, 
+		((HookObject)hookobj)->hooks.changehook_callbacks, 
+		(XtPointer)&call_data);
+    }
+
+    if (XtIsRectObj(w)) {
+	/* Now perform geometry request if needed */
+	geoReq.request_mode = 0;
+	if (oldw->core.x	!= w->core.x) {
+	    geoReq.x		= w->core.x;
+	    w->core.x		= oldw->core.x;
+	    geoReq.request_mode |= CWX;
+	}
+	if (oldw->core.y	!= w->core.y) {
+	    geoReq.y		= w->core.y;
+	    w->core.y		= oldw->core.y;
+	    geoReq.request_mode |= CWY;
+	}
+	if (oldw->core.width	!= w->core.width) {
+	    geoReq.width	= w->core.width;
+	    w->core.width	= oldw->core.width;
+	    geoReq.request_mode |= CWWidth;
+	}
+	if (oldw->core.height	!= w->core.height) {
+	    geoReq.height	= w->core.height;
+	    w->core.height	= oldw->core.height;
+	    geoReq.request_mode |= CWHeight;
+	}
+	if (oldw->core.border_width != w->core.border_width) {
+	    geoReq.border_width	    = w->core.border_width;
+	    w->core.border_width    = oldw->core.border_width;
+	    geoReq.request_mode	    |= CWBorderWidth;
+	}
+    
+	if (geoReq.request_mode != 0) {
+	    /* Pass on any requests for unchanged geometry values */
+	    if (geoReq.request_mode !=
+		(CWX | CWY | CWWidth | CWHeight | CWBorderWidth)) {
+		for ( ; num_args != 0; num_args--, args++) {
+		    if (! (geoReq.request_mode & CWX) &&
+			strcmp(XtNx, args->name) == 0) {
+			geoReq.x = w->core.x;
+			geoReq.request_mode |= CWX;
+		    } else if (! (geoReq.request_mode & CWY) &&
+			       strcmp(XtNy, args->name) == 0) {
+			geoReq.y = w->core.y;
+			geoReq.request_mode |= CWY;
+		    } else if (! (geoReq.request_mode & CWWidth) &&
+			       strcmp(XtNwidth, args->name) == 0) {
+			geoReq.width = w->core.width;
+			geoReq.request_mode |= CWWidth;
+		    } else if (! (geoReq.request_mode & CWHeight) &&
+			       strcmp(XtNheight, args->name) == 0) {
+			geoReq.height = w->core.height;
+			geoReq.request_mode |= CWHeight;
+		    } else if (! (geoReq.request_mode & CWBorderWidth) &&
+			       strcmp(XtNborderWidth, args->name) == 0) {
+			geoReq.border_width = w->core.border_width;
+			geoReq.request_mode |= CWBorderWidth;
+		    }
+		}
+	    }
+	    CALLGEOTAT(_XtGeoTrace(w,
+		     "\nXtSetValues sees some geometry changes for \"%s\".\n", 
+			   XtName(w)));
+	    CALLGEOTAT(_XtGeoTab(1));
+	    do {
+		XtGeometryHookDataRec call_data;
+
+		if (XtHasCallbacks(hookobj, XtNgeometryHook) == XtCallbackHasSome) {
+		    call_data.type = XtHpreGeometry;
+		    call_data.widget = w;
+		    call_data.request = &geoReq;
+		    XtCallCallbackList(hookobj, 
+			((HookObject)hookobj)->hooks.geometryhook_callbacks, 
+			(XtPointer)&call_data);
+		    call_data.result = result =
+			_XtMakeGeometryRequest(w, &geoReq, &geoReply,
+					       &cleared_rect_obj);
+		    call_data.type = XtHpostGeometry;
+		    call_data.reply = &geoReply;
+		    XtCallCallbackList(hookobj, 
+			((HookObject)hookobj)->hooks.geometryhook_callbacks, 
+			(XtPointer)&call_data);
+		} else {
+		    result = _XtMakeGeometryRequest(w, &geoReq, &geoReply, 
+						    &cleared_rect_obj);
+		}
+		if (result == XtGeometryYes || result == XtGeometryDone)
+		    break;
+
+		/* An Almost or No reply.  Call widget and let it munge
+		   request, reply */
+		LOCK_PROCESS;
+		set_values_almost = wc->core_class.set_values_almost;
+		UNLOCK_PROCESS;
+		if (set_values_almost == NULL) {
+		    XtAppWarningMsg(app,
+			    "invalidProcedure","set_values_almost",
+			  XtCXtToolkitError,
+			  "set_values_almost procedure shouldn't be NULL",
+			  (String *)NULL, (Cardinal *)NULL);
+		    break;
+		}
+		if (result == XtGeometryNo) geoReply.request_mode = 0;
+		CALLGEOTAT(_XtGeoTrace(w,"calling SetValuesAlmost.\n"));
+		(*set_values_almost) (oldw, w, &geoReq, &geoReply);
+	    } while (geoReq.request_mode != 0);
+	    /* call resize proc if we changed size and parent
+	     * didn't already invoke resize */
+	    {
+	    XtWidgetProc resize;
+	    LOCK_PROCESS;
+	    resize = wc->core_class.resize;
+	    UNLOCK_PROCESS;
+	    if ((w->core.width != oldw->core.width ||
+		 w->core.height != oldw->core.height)
+		&& result != XtGeometryDone
+		&& resize != (XtWidgetProc) NULL) {
+		CALLGEOTAT(_XtGeoTrace(w,
+				 "XtSetValues calls \"%s\"'s resize proc.\n",
+			       XtName(w)));
+		(*resize)(w);
+	      }
+	    }
+	    CALLGEOTAT(_XtGeoTab(-1));
+	}
+	/* Redisplay if needed.  No point in clearing if the window is
+	 * about to disappear, as the Expose event will just go straight
+	 * to the bit bucket. */
+        if (XtIsWidget(w)) {
+            /* widgets can distinguish between redisplay and resize, since
+             the server will cause an expose on resize */
+            if (redisplay && XtIsRealized(w) && !w->core.being_destroyed) {
+                CALLGEOTAT(_XtGeoTrace(w,
+				 "XtSetValues calls ClearArea on \"%s\".\n",
+			       XtName(w)));
+		XClearArea (XtDisplay(w), XtWindow(w), 0, 0, 0, 0, TRUE);
+	    }
+        } else { /*non-window object */
+	  if (redisplay && ! cleared_rect_obj ) {
+	      Widget pw = _XtWindowedAncestor(w);
+	      if (XtIsRealized(pw) && !pw->core.being_destroyed) {
+		  RectObj r = (RectObj)w;
+		  int bw2 = r->rectangle.border_width << 1;
+		  CALLGEOTAT(_XtGeoTrace(w,
+		   "XtSetValues calls ClearArea on \"%s\"'s parent \"%s\".\n",
+				 XtName(w),XtName(pw)));
+		  XClearArea (XtDisplay (pw), XtWindow (pw),
+			      r->rectangle.x, r->rectangle.y,
+			      r->rectangle.width + bw2,
+			      r->rectangle.height + bw2,TRUE);
+	      }
+	  }
+        }
+    }
+
+
+    /* Free dynamic storage */
+    if (constraintSize) {
+        XtStackFree(oldw->core.constraints, oldcCache);
+        XtStackFree(reqw->core.constraints, reqcCache);
+    }
+    XtStackFree((XtPointer)oldw, oldwCache);
+    XtStackFree((XtPointer)reqw, reqwCache);
+    UNLOCK_APP(app);
+} /* XtSetValues */