/* $Xorg: Manage.c,v 1.4 2001/02/09 02:03:55 xorgcvs Exp $ */ /*********************************************************** Copyright 1993 Sun Microsystems, Inc. All rights reserved. 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 (including the next paragraph) 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 AUTHORS OR 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. Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. 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 name of Digital 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. ******************************************************************/ /* $XFree86: xc/lib/Xt/Manage.c,v 3.10tsi Exp $ */ /* 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. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include "IntrinsicI.h" static String XtNinvalidChild = "invalidChild"; static String XtNxtUnmanageChildren = "xtUnmanageChildren"; static String XtNxtManageChildren = "xtManageChildren"; static String XtNxtChangeManagedSet = "xtChangeManagedSet"; static void UnmanageChildren( 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 = NULL; Bool parent_realized = False; *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 ( WidgetList children, Cardinal num_children) { Widget parent, hookobj; Cardinal ii; #ifdef XTHREADS XtAppContext app; #endif 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; } #ifdef XTHREADS app = XtWidgetToApplicationContext(children[0]); #endif 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( Widget child) { XtUnmanageChildren(&child, (Cardinal)1); } /* XtUnmanageChild */ static void ManageChildren( 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 = NULL; WidgetList unique_children; Widget cache[MAXCHILDREN]; Bool parent_realized = False; 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( WidgetList children, Cardinal num_children) { Widget parent, hookobj; #ifdef XTHREADS XtAppContext app; #endif if (num_children == 0) return; if (children[0] == NULL) { XtWarningMsg(XtNinvalidChild, XtNxtManageChildren, XtCXtToolkitError, "null child passed to XtManageChildren", (String*)NULL, (Cardinal*)NULL); return; } #ifdef XTHREADS app = XtWidgetToApplicationContext(children[0]); #endif 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( Widget child) { XtManageChildren(&child, (Cardinal) 1); } /* XtManageChild */ void XtSetMappedWhenManaged( Widget widget, _XtBoolean mapped_when_managed) { 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) (unsigned long) 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 */ void XtChangeManagedSet( WidgetList unmanage_children, Cardinal num_unmanage, XtDoChangeProc do_change_proc, XtPointer client_data, WidgetList manage_children, Cardinal num_manage) { 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 */