442 lines
10 KiB
C
442 lines
10 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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/*----------------------------------------------------------------------*/
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/* */
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/* Name: <Xfe/ManagerChildren.c> */
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/* Description: XfeManager Children functions. */
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/* Author: Ramiro Estrugo <ramiro@netscape.com> */
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/* */
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/*----------------------------------------------------------------------*/
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#include <Xfe/ManagerP.h>
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#include <Xfe/DynamicManagerP.h>
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#define MESSAGE1 "Widget is not an XfeManager"
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#define MESSAGE2 "Widget is not an XfeDynamicManager"
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/*----------------------------------------------------------------------*/
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/* */
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/* Private children and info functions */
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/* */
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/*----------------------------------------------------------------------*/
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static Boolean ChildMatchWithMask (Widget,int);
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/*----------------------------------------------------------------------*/
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/* */
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/* XfeManager children info functions */
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/* */
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/*----------------------------------------------------------------------*/
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/* extern */ void
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_XfeManagerGetChildrenInfo(Widget w,
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XfeLinked children,
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int mask,
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XfeGeometryProc proc,
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Dimension * max_width_out,
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Dimension * max_height_out,
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Dimension * min_width_out,
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Dimension * min_height_out,
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Dimension * total_width_out,
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Dimension * total_height_out,
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Cardinal * num_managed_out)
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{
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Dimension max_width = 0;
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Dimension max_height = 0;
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Dimension min_width = 0;
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Dimension min_height = 0;
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Dimension total_width = 0;
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Dimension total_height = 0;
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Cardinal num_managed = 0;
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XfeLinkNode node = NULL;
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#define FLAG_ALIVE(w,m) \
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(((m) & XfeCHILDREN_INFO_ALIVE) ? _XfeIsAlive(w) : True)
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#define FLAG_REALIZED(w,m) \
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(((m) & XfeCHILDREN_INFO_REALIZED) ? _XfeIsRealized(w) : True)
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#define FLAG_MANAGED(w,m) \
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(((m) & XfeCHILDREN_INFO_MANAGED) ? _XfeIsManaged(w) : True)
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assert( _XfeIsAlive(w) );
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/* Make sure the widget is a manager */
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if (!XfeIsManager(w))
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{
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_XfeWarning(w,MESSAGE1);
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return;
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}
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#if 0
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/* Make sure the child state mask is not NONE */
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if (mask == XfeCHILDREN_INFO_NONE)
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{
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return;
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}
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#endif
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/* Make sure the children list is not NULL */
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if (children == NULL)
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{
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return;
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}
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/* Iterate through the children */
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for (node = XfeLinkedHead(children);
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node;
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node = XfeLinkNodeNext(node))
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{
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Widget child = (Widget) XfeLinkNodeItem(node);
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assert( child != NULL );
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if (ChildMatchWithMask(child,mask))
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{
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Dimension child_width;
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Dimension child_height;
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if (proc != NULL)
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{
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(*proc)(child,&child_width,&child_height);
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}
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else
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{
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child_width = _XfeWidth(child);
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child_height = _XfeHeight(child);
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}
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/* Keep track of maximum width */
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if (child_width > max_width)
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{
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max_width = child_width;
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}
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/* Keep track of minimum width */
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else if (child_width < min_width)
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{
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min_width = child_width;
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}
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/* Keep track of maximum height */
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if (child_height > max_height)
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{
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max_height = child_height;
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}
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/* Keep track of minimum height */
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else if (child_height < min_height)
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{
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min_height = child_height;
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}
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total_width += child_width;
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total_height += child_height;
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}
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/* Keep track of the number of managed children */
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if (_XfeIsManaged(child))
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{
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num_managed++;
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}
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}
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/* Assign only required arguments */
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if (max_width_out)
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{
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*max_width_out = max_width;
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}
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if (max_height_out)
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{
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*max_height_out = max_height;
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}
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if (min_width_out)
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{
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*min_width_out = min_width;
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}
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if (min_height_out)
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{
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*min_height_out = min_height;
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}
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if (total_width_out)
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{
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*total_width_out = total_width;
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}
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if (total_height_out)
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{
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*total_height_out = total_height;
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}
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if (num_managed_out)
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{
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*num_managed_out = num_managed;
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}
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}
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/*----------------------------------------------------------------------*/
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/* extern */ void
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_XfeManagerUpdateComponentChildrenInfo(Widget w)
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{
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if (_XfemComponentChildren(w) != NULL)
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{
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return;
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}
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_XfeManagerGetChildrenInfo(w,
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_XfemComponentChildren(w),
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XfeCHILDREN_INFO_ALIVE|XfeCHILDREN_INFO_MANAGED,
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NULL,
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&_XfemMaxComponentWidth(w),
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&_XfemMaxComponentHeight(w),
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NULL,
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NULL,
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NULL,
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NULL,
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NULL);
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}
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/*----------------------------------------------------------------------*/
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/* extern */ void
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_XfeManagerUpdateStaticChildrenInfo(Widget w)
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{
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if (_XfemStaticChildren(w) != NULL)
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{
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return;
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}
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_XfeManagerGetChildrenInfo(w,
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_XfemStaticChildren(w),
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XfeCHILDREN_INFO_ALIVE|XfeCHILDREN_INFO_MANAGED,
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NULL,
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&_XfemMaxStaticWidth(w),
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&_XfemMaxStaticHeight(w),
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NULL,
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NULL,
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NULL,
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NULL,
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NULL);
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}
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/*----------------------------------------------------------------------*/
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/*----------------------------------------------------------------------*/
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/* */
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/* XfeManager private children apply functions */
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/* */
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/*----------------------------------------------------------------------*/
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/* extern */ void
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_XfeManagerApplyProcToChildren(Widget w,
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XfeLinked children,
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int mask,
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XfeManagerApplyProc proc,
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XtPointer data)
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{
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XfeLinkNode node = NULL;
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assert( _XfeIsAlive(w) );
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assert( proc != NULL );
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/* Make sure the widget is a manager */
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if (!XfeIsManager(w))
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{
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_XfeWarning(w,MESSAGE1);
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return;
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}
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/* Iterate through the children */
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for (node = XfeLinkedHead(children);
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node;
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node = XfeLinkNodeNext(node))
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{
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Widget child = (Widget) XfeLinkNodeItem(node);
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assert( child != NULL );
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if (ChildMatchWithMask(child,mask))
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{
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(*proc)(w,child,data);
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}
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}
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}
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/*----------------------------------------------------------------------*/
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/*----------------------------------------------------------------------*/
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/* */
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/* XfeManager public children apply functions */
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/* */
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/*----------------------------------------------------------------------*/
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/* extern */ void
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XfeManagerApply(Widget w,
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int mask,
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XfeManagerApplyProc proc,
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XtPointer data,
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Boolean private_components,
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Boolean freeze_layout)
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{
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Cardinal i;
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assert( _XfeIsAlive(w) );
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/* Make sure its a Manager */
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if (!XfeIsManager(w))
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{
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_XfeWarning(w,MESSAGE1);
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return;
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}
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/* Freeze layout if needed */
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if (freeze_layout)
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{
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_XfemLayoutFrozen(w) = True;
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}
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/* Iterate through all the items */
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for (i = 0; i < _XfemNumChildren(w); i++)
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{
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Widget child = _XfeChildrenIndex(w,i);
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if (_XfeIsAlive(child) && ChildMatchWithMask(child,mask))
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{
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Boolean skip =
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(!private_components && XfeIsPrivateComponent(child));
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if (!skip)
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{
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(*proc)(w,child,data);
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}
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}
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}
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/* Un-freeze layout if needed */
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if (freeze_layout)
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{
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_XfemLayoutFrozen(w) = False;
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/* ??? I think this should be optional ??? */
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XfeManagerLayout(w);
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}
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}
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/*----------------------------------------------------------------------*/
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/* extern */ void
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XfeManagerApplyLinked(Widget w,
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unsigned char child_type,
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int mask,
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XfeManagerApplyProc proc,
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XtPointer data,
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Boolean freeze_layout)
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{
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XfeLinked children = NULL;
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assert( _XfeIsAlive(w) );
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/* Make sure its a Manager */
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if (!XfeIsManager(w))
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{
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_XfeWarning(w,MESSAGE1);
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return;
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}
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assert( child_type == XmMANAGER_COMPONENT_CHILD ||
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child_type == XmMANAGER_DYNAMIC_CHILD ||
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child_type == XmMANAGER_STATIC_CHILD );
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if (child_type == XmMANAGER_DYNAMIC_CHILD)
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{
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/* Make sure widget is a XfeDynamicManager */
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if (!XfeIsDynamicManager(w))
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{
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_XfeWarning(w,MESSAGE2);
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return;
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}
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}
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if (child_type == XmMANAGER_COMPONENT_CHILD)
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{
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children = _XfemComponentChildren(w);
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}
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else if (child_type == XmMANAGER_DYNAMIC_CHILD)
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{
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children = _XfemDynamicChildren(w);
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}
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else if (child_type == XmMANAGER_STATIC_CHILD)
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{
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children = _XfemStaticChildren(w);
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}
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if (children != NULL)
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{
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/* Freeze layout if needed */
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if (freeze_layout)
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{
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_XfemLayoutFrozen(w) = True;
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}
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_XfeManagerApplyProcToChildren(w,children,mask,proc,data);
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/* Un-freeze layout if needed */
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if (freeze_layout)
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{
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_XfemLayoutFrozen(w) = False;
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/* ??? I think this should be optional ??? */
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XfeManagerLayout(w);
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}
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}
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}
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/*----------------------------------------------------------------------*/
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/*----------------------------------------------------------------------*/
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/* */
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/* Private children and info functions */
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/* */
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/*----------------------------------------------------------------------*/
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static Boolean
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ChildMatchWithMask(Widget child,int mask)
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{
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Boolean result = False;
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#define FLAG_ALIVE(w,m) \
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(((m) & XfeCHILDREN_INFO_ALIVE) ? _XfeIsAlive(w) : True)
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#define FLAG_REALIZED(w,m) \
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(((m) & XfeCHILDREN_INFO_REALIZED) ? _XfeIsRealized(w) : True)
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#define FLAG_MANAGED(w,m) \
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(((m) & XfeCHILDREN_INFO_MANAGED) ? _XfeIsManaged(w) : True)
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if (child != NULL)
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{
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Boolean flag_alive = (child && FLAG_ALIVE(child,mask));
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Boolean flag_realized = (flag_alive && FLAG_REALIZED(child,mask));
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Boolean flag_managed = (flag_realized && FLAG_MANAGED(child,mask));
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result = (flag_alive && flag_realized && flag_managed);
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}
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return result;
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}
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/*----------------------------------------------------------------------*/
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