R6.6 is the Xorg base-line

1 files changed, 498 insertions, 0 deletions

diff --git a/src/Manage.c b/src/Manage.c
new file mode 100644
index 0000000..98ad68e
--- /dev/null
+++ b/src/Manage.c
@@ -0,0 +1,498 @@
+/* $Xorg: Manage.c,v 1.4 2001/02/09 02:03:55 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"
+
+static String XtNinvalidChild = "invalidChild";
+static String XtNxtUnmanageChildren = "xtUnmanageChildren";
+static String XtNxtManageChildren = "xtManageChildren";
+static String XtNxtChangeManagedSet = "xtChangeManagedSet";
+
+static void UnmanageChildren(children, num_children, parent, num_unique_children, call_change_managed, caller_func)
+    WidgetList children;
+    Cardinal num_children;
+    Widget parent;
+    Cardinal* num_unique_children;
+    Boolean call_change_managed;
+    String caller_func;
+{
+    Widget		child;
+    Cardinal		i;
+    XtWidgetProc	change_managed;
+    Bool		parent_realized;
+
+    *num_unique_children = 0;
+
+    if (XtIsComposite((Widget) parent)) {
+	LOCK_PROCESS;
+        change_managed = ((CompositeWidgetClass) parent->core.widget_class)
+		    ->composite_class.change_managed;
+	UNLOCK_PROCESS;
+	parent_realized = XtIsRealized((Widget)parent);
+    } else {
+        XtAppErrorMsg(XtWidgetToApplicationContext((Widget)parent),
+		      "invalidParent",caller_func, XtCXtToolkitError,
+		   "Attempt to unmanage a child when parent is not Composite",
+		      (String *) NULL, (Cardinal *) NULL);
+    }
+
+    for (i = 0; i < num_children; i++) {
+	child = children[i];
+	if (child == NULL) {
+	    XtAppWarningMsg(XtWidgetToApplicationContext(parent),
+		  XtNinvalidChild,caller_func,XtCXtToolkitError,
+                  "Null child passed to XtUnmanageChildren",
+		  (String *)NULL, (Cardinal *)NULL);
+	    return;
+	}
+        if (child->core.parent != parent) {
+	   XtAppWarningMsg(XtWidgetToApplicationContext(parent),
+		   "ambiguousParent",caller_func,XtCXtToolkitError,
+           "Not all children have same parent in UnmanageChildren",
+             (String *)NULL, (Cardinal *)NULL);
+	} else
+        if (child->core.managed) {
+            (*num_unique_children)++;
+	    CALLGEOTAT(_XtGeoTrace(child,"Child \"%s\" is marked unmanaged\n", 
+			   XtName(child)));
+	    child->core.managed = FALSE;
+            if (XtIsWidget(child)
+		&& XtIsRealized(child)
+		&& child->core.mapped_when_managed)
+                    XtUnmapWidget(child);
+            else
+	    { /* RectObj child */
+		Widget pw = child->core.parent;
+		RectObj r = (RectObj) child;
+		while ((pw!=NULL) && (!XtIsWidget(pw))) pw = pw->core.parent;
+		if ((pw!=NULL) && XtIsRealized (pw))
+		    XClearArea (XtDisplay (pw), XtWindow (pw),
+			r->rectangle.x, r->rectangle.y,
+			r->rectangle.width + (r->rectangle.border_width << 1),
+			r->rectangle.height + (r->rectangle.border_width << 1),
+			TRUE);
+	    }
+
+        }
+    }
+    if (call_change_managed && *num_unique_children != 0 &&
+	change_managed != NULL && parent_realized) {
+	CALLGEOTAT(_XtGeoTrace((Widget)parent,
+		       "Call parent: \"%s\"[%d,%d]'s changemanaged proc\n", 
+		       XtName((Widget)parent),
+		       parent->core.width,parent->core.height));
+	(*change_managed) (parent);
+    }
+} /* UnmanageChildren */
+
+void XtUnmanageChildren (children, num_children)
+    WidgetList children;
+    Cardinal num_children;
+{
+    Widget parent, hookobj;
+    Cardinal ii;
+    XtAppContext app;
+
+    if (num_children == 0) return;
+    if (children[0] == NULL) {
+	XtWarningMsg(XtNinvalidChild,XtNxtUnmanageChildren,XtCXtToolkitError,
+		     "Null child found in argument list to unmanage",
+		     (String *)NULL, (Cardinal *)NULL);
+	return;
+    }
+    app = XtWidgetToApplicationContext(children[0]);
+    LOCK_APP(app);
+    parent = children[0]->core.parent;
+    if (parent->core.being_destroyed) {
+	UNLOCK_APP(app);
+	return;
+    }
+    UnmanageChildren(children, num_children, parent, &ii, 
+		     (Boolean)True, XtNxtUnmanageChildren);
+    hookobj = XtHooksOfDisplay(XtDisplayOfObject(children[0]));
+    if (XtHasCallbacks(hookobj, XtNchangeHook) == XtCallbackHasSome) {
+	XtChangeHookDataRec call_data;
+
+	call_data.type = XtHunmanageChildren;
+	call_data.widget = parent;
+	call_data.event_data = (XtPointer) children;
+	call_data.num_event_data = num_children;
+	XtCallCallbackList(hookobj, 
+		((HookObject)hookobj)->hooks.changehook_callbacks, 
+		(XtPointer)&call_data);
+    }
+    UNLOCK_APP(app);
+} /* XtUnmanageChildren */
+
+void XtUnmanageChild(child)
+    Widget child;
+{
+    XtUnmanageChildren(&child, (Cardinal)1);
+} /* XtUnmanageChild */
+
+
+static void ManageChildren(children, num_children, parent, call_change_managed, caller_func)
+    WidgetList  children;
+    Cardinal    num_children;
+    Widget	parent;
+    Boolean	call_change_managed;
+    String	caller_func;
+{
+#define MAXCHILDREN 100
+    Widget		child;
+    Cardinal		num_unique_children, i;
+    XtWidgetProc	change_managed;
+    WidgetList		unique_children;
+    Widget		cache[MAXCHILDREN];
+    Bool		parent_realized;
+
+    if (XtIsComposite((Widget) parent)) {
+	LOCK_PROCESS;
+        change_managed = ((CompositeWidgetClass) parent->core.widget_class)
+		    ->composite_class.change_managed;
+	UNLOCK_PROCESS;
+	parent_realized = XtIsRealized((Widget)parent);
+    } else {
+	XtAppErrorMsg(XtWidgetToApplicationContext((Widget)parent),
+		"invalidParent",caller_func, XtCXtToolkitError,
+	    "Attempt to manage a child when parent is not Composite",
+	    (String *) NULL, (Cardinal *) NULL);
+    }
+
+    /* Construct new list of children that really need to be operated upon. */
+    if (num_children <= MAXCHILDREN) {
+	unique_children = cache;
+    } else {
+	unique_children = (WidgetList) __XtMalloc(num_children * sizeof(Widget));
+    }
+    num_unique_children = 0;
+    for (i = 0; i < num_children; i++) {
+	child = children[i];
+	if (child == NULL) {
+	    XtAppWarningMsg(XtWidgetToApplicationContext((Widget)parent),
+		XtNinvalidChild,caller_func,XtCXtToolkitError,
+		"null child passed to ManageChildren",
+		(String *)NULL, (Cardinal *)NULL);
+	    if (unique_children != cache) XtFree((char *) unique_children);
+	    return;
+	}
+#ifdef DEBUG
+	if (!XtIsRectObj(child)) {
+	    String params[2];
+	    Cardinal num_params = 2;
+	    params[0] = XtName(child);
+	    params[1] = child->core.widget_class->core_class.class_name;
+	    XtAppWarningMsg(XtWidgetToApplicationContext((Widget)parent),
+			    "notRectObj",caller_func,XtCXtToolkitError,
+			    "child \"%s\", class %s is not a RectObj",
+			    params, &num_params);
+	    continue;
+	}
+#endif /*DEBUG*/
+        if (child->core.parent != parent) {
+	    XtAppWarningMsg(XtWidgetToApplicationContext((Widget)parent),
+		    "ambiguousParent",caller_func,XtCXtToolkitError,
+		"Not all children have same parent in XtManageChildren",
+		(String *)NULL, (Cardinal *)NULL);
+	} else if (! child->core.managed && !child->core.being_destroyed) {
+	    unique_children[num_unique_children++] = child;
+	    CALLGEOTAT(_XtGeoTrace(child,
+			   "Child \"%s\"[%d,%d] is marked managed\n", 
+			   XtName(child),
+			   child->core.width,child->core.height));
+	    child->core.managed = TRUE;
+	}
+    }
+
+    if ((call_change_managed || num_unique_children != 0) && parent_realized) {
+	/* Compute geometry of new managed set of children. */
+	if (change_managed != NULL) {
+	    CALLGEOTAT(_XtGeoTrace((Widget)parent,
+			   "Call parent: \"%s\"[%d,%d]'s changemanaged\n", 
+			   XtName((Widget)parent), 
+			   parent->core.width,parent->core.height));
+	    (*change_managed) ((Widget)parent);
+	}
+
+	/* Realize each child if necessary, then map if necessary */
+	for (i = 0; i < num_unique_children; i++) {
+	    child = unique_children[i];
+	    if (XtIsWidget(child)) {
+		if (! XtIsRealized(child)) XtRealizeWidget(child);
+		if (child->core.mapped_when_managed) XtMapWidget(child);
+	    } else { /* RectObj child */
+		Widget pw = child->core.parent;
+		RectObj r = (RectObj) child;
+		while ((pw!=NULL) && (!XtIsWidget(pw)))
+		    pw = pw->core.parent;
+		if (pw != NULL)
+		    XClearArea (XtDisplay (pw), XtWindow (pw),
+		    r->rectangle.x, r->rectangle.y,
+		    r->rectangle.width + (r->rectangle.border_width << 1),
+		    r->rectangle.height + (r->rectangle.border_width << 1),
+		    TRUE);
+            }
+        }
+    }
+
+    if (unique_children != cache) XtFree((char *) unique_children);
+} /* ManageChildren */
+
+void XtManageChildren(children, num_children)
+    WidgetList children;
+    Cardinal num_children;
+{
+    Widget parent, hookobj;
+    XtAppContext app;
+
+    if (num_children == 0) return;
+    if (children[0] == NULL) {
+	XtWarningMsg(XtNinvalidChild, XtNxtManageChildren, XtCXtToolkitError,
+		     "null child passed to XtManageChildren",
+		     (String*)NULL, (Cardinal*)NULL);
+	return;
+    }
+    app = XtWidgetToApplicationContext(children[0]);
+    LOCK_APP(app);
+    parent = children[0]->core.parent;
+    if (parent->core.being_destroyed) {
+	UNLOCK_APP(app);
+	return;
+    }
+    ManageChildren(children, num_children, parent, (Boolean)False, 
+		   XtNxtManageChildren);
+    hookobj = XtHooksOfDisplay(XtDisplayOfObject(children[0]));
+    if (XtHasCallbacks(hookobj, XtNchangeHook) == XtCallbackHasSome) {
+	XtChangeHookDataRec call_data;
+
+	call_data.type = XtHmanageChildren;
+	call_data.widget = parent;
+	call_data.event_data = (XtPointer) children;
+	call_data.num_event_data = num_children;
+	XtCallCallbackList(hookobj, 
+		((HookObject)hookobj)->hooks.changehook_callbacks, 
+		(XtPointer)&call_data);
+    }
+    UNLOCK_APP(app);
+} /* XtManageChildren */
+
+void XtManageChild(child)
+    Widget child;
+{
+    XtManageChildren(&child, (Cardinal) 1);
+} /* XtManageChild */
+
+
+#if NeedFunctionPrototypes
+void XtSetMappedWhenManaged(
+    Widget widget,
+    _XtBoolean mapped_when_managed
+    )
+#else
+void XtSetMappedWhenManaged(widget, mapped_when_managed)
+    Widget widget;
+    Boolean mapped_when_managed;
+#endif
+{
+    Widget hookobj;
+    WIDGET_TO_APPCON(widget);
+
+    LOCK_APP(app);
+    if (widget->core.mapped_when_managed == mapped_when_managed) {
+	UNLOCK_APP(app);
+	return;
+    }
+    widget->core.mapped_when_managed = mapped_when_managed;
+
+    hookobj = XtHooksOfDisplay(XtDisplay(widget));
+    if (XtHasCallbacks(hookobj, XtNchangeHook) == XtCallbackHasSome) {
+	XtChangeHookDataRec call_data;
+
+	call_data.type = XtHsetMappedWhenManaged;
+	call_data.widget = widget;
+	call_data.event_data = (XtPointer) mapped_when_managed;
+	XtCallCallbackList(hookobj, 
+		((HookObject)hookobj)->hooks.changehook_callbacks, 
+		(XtPointer)&call_data);
+    }
+
+    if (! XtIsManaged(widget)) {
+	UNLOCK_APP(app);
+	return;
+    }
+
+    if (mapped_when_managed) {
+	/* Didn't used to be mapped when managed.		*/
+	if (XtIsRealized(widget)) XtMapWidget(widget);
+    } else {
+	/* Used to be mapped when managed.			*/
+	if (XtIsRealized(widget)) XtUnmapWidget(widget);
+    }
+    UNLOCK_APP(app);
+} /* XtSetMappedWhenManaged */
+
+
+#if NeedFunctionPrototypes
+void XtChangeManagedSet(
+    WidgetList unmanage_children,
+    Cardinal num_unmanage,
+    XtDoChangeProc do_change_proc,
+    XtPointer client_data,
+    WidgetList manage_children,
+    Cardinal num_manage
+)
+#else
+void XtChangeManagedSet(unmanage_children, num_unmanage, do_change_proc,
+			client_data, manage_children, num_manage)
+    WidgetList unmanage_children;
+    Cardinal num_unmanage;
+    XtDoChangeProc do_change_proc;
+    XtPointer client_data;
+    WidgetList manage_children;
+    Cardinal num_manage;
+#endif
+{
+    WidgetList childp;
+    Widget parent;
+    int i;
+    Cardinal some_unmanaged;
+    Boolean call_out;
+    CompositeClassExtension ext;
+    XtAppContext app;
+    Widget hookobj;
+    XtChangeHookDataRec call_data;
+
+    if (num_unmanage == 0 && num_manage == 0)
+	return;
+
+    /* specification doesn't state that library will check for NULL in list */
+
+    childp = num_unmanage ? unmanage_children : manage_children;
+    app = XtWidgetToApplicationContext(*childp);
+    LOCK_APP(app);
+
+    parent = XtParent(*childp);
+    childp = unmanage_children;
+    for (i = num_unmanage; --i >= 0 && XtParent(*childp) == parent; childp++);
+    call_out = (i >= 0);
+    childp = manage_children;
+    for (i = num_manage;   --i >= 0 && XtParent(*childp) == parent; childp++);
+    if (call_out || i >= 0) {
+	XtAppWarningMsg(app, "ambiguousParent", XtNxtChangeManagedSet,
+			XtCXtToolkitError, "Not all children have same parent",
+			(String *)NULL, (Cardinal *)NULL);
+    }
+    if (! XtIsComposite(parent)) {
+	UNLOCK_APP(app);
+	XtAppErrorMsg(app, "invalidParent", XtNxtChangeManagedSet,
+		      XtCXtToolkitError,
+		      "Attempt to manage a child when parent is not Composite",
+		      (String *) NULL, (Cardinal *) NULL);
+    }
+    if (parent->core.being_destroyed) {
+	UNLOCK_APP(app);
+	return;
+    }
+
+    call_out = False;
+    if (do_change_proc) {
+	ext = (CompositeClassExtension)
+	    XtGetClassExtension(parent->core.widget_class,
+				XtOffsetOf(CompositeClassRec,
+					   composite_class.extension),
+				NULLQUARK, XtCompositeExtensionVersion,
+				sizeof(CompositeClassExtensionRec));
+	if (!ext || !ext->allows_change_managed_set)
+	    call_out = True;
+    }
+
+    UnmanageChildren(unmanage_children, num_unmanage, parent, 
+		     &some_unmanaged, call_out, XtNxtChangeManagedSet);
+
+    hookobj = XtHooksOfDisplay(XtDisplay(parent));
+    if (XtHasCallbacks(hookobj, XtNchangeHook) == XtCallbackHasSome) {
+	call_data.type = XtHunmanageSet;
+	call_data.widget = parent;
+	call_data.event_data = (XtPointer) unmanage_children;
+	call_data.num_event_data = num_unmanage;
+	XtCallCallbackList(hookobj, 
+		((HookObject)hookobj)->hooks.changehook_callbacks, 
+		(XtPointer) &call_data);
+    }
+
+    if (do_change_proc) 
+	(*do_change_proc)(parent, unmanage_children, &num_unmanage,
+			  manage_children, &num_manage, client_data);
+
+    call_out = (some_unmanaged && !call_out);
+    ManageChildren(manage_children, num_manage, parent, call_out,
+		   XtNxtChangeManagedSet);
+
+    if (XtHasCallbacks(hookobj, XtNchangeHook) == XtCallbackHasSome) {
+	call_data.type = XtHmanageSet;
+	call_data.event_data = (XtPointer) manage_children;
+	call_data.num_event_data = num_manage;
+	XtCallCallbackList(hookobj, 
+		((HookObject)hookobj)->hooks.changehook_callbacks, 
+		(XtPointer) &call_data);
+    }
+    UNLOCK_APP(app);
+} /* XtChangeManagedSet */