142 lines
4.7 KiB
C
142 lines
4.7 KiB
C
/*
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* $Xorg: TreeP.h,v 1.4 2001/02/09 02:03:47 xorgcvs Exp $
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*
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Copyright 1990, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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* Copyright 1989 Prentice Hall
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose and without fee is hereby granted, provided that the above
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* copyright notice appear in all copies and that both the copyright notice
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* and this permission notice appear in supporting documentation.
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*
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* Prentice Hall and the authors disclaim all warranties with regard
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* to this software, including all implied warranties of merchantability and
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* fitness. In no event shall Prentice Hall or the authors be liable
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* for any special, indirect or cosequential damages or any damages whatsoever
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* resulting from loss of use, data or profits, whether in an action of
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* contract, negligence or other tortious action, arising out of or in
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* connection with the use or performance of this software.
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*
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* Authors: Jim Fulton, MIT X Consortium,
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* based on a version by Douglas Young, Prentice Hall
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*
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* This widget is based on the Tree widget described on pages 397-419 of
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* Douglas Young's book "The X Window System, Programming and Applications
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* with Xt OSF/Motif Edition." The layout code has been rewritten to use
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* additional blank space to make the structure of the graph easier to see
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* as well as to support vertical trees.
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*/
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/* $XFree86: xc/lib/Xaw/TreeP.h,v 1.6 2001/01/17 19:42:35 dawes Exp $ */
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#ifndef _XawTreeP_h
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#define _XawTreeP_h
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#include <X11/Xaw/Tree.h>
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typedef struct _TreeClassPart {
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XtPointer extension;
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} TreeClassPart;
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typedef struct _TreeClassRec {
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CoreClassPart core_class;
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CompositeClassPart composite_class;
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ConstraintClassPart constraint_class;
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TreeClassPart tree_class;
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} TreeClassRec;
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extern TreeClassRec treeClassRec;
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typedef struct {
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/* fields available through resources */
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Dimension hpad; /* hSpace/HSpace */
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Dimension vpad; /* vSpace/VSpace */
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Dimension line_width; /* lineWidth/LineWidth */
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Pixel foreground; /* foreground/Foreground */
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XtGravity gravity; /* gravity/Gravity */
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Boolean auto_reconfigure; /* autoReconfigure/AutoReconfigure */
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/* private fields */
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GC gc; /* used to draw lines */
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Widget tree_root; /* hidden root off all children */
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Dimension *largest; /* list of largest per depth */
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int n_largest; /* number of elements in largest */
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Dimension maxwidth, maxheight; /* for shrink wrapping */
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#ifndef OLDXAW
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XawDisplayList *display_list;
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XtPointer pad[4]; /* for future use and keep binary compatability */
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#endif
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} TreePart;
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typedef struct _TreeRec {
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CorePart core;
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CompositePart composite;
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ConstraintPart constraint;
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TreePart tree;
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} TreeRec;
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/*
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* structure attached to all children
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*/
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typedef struct _TreeConstraintsPart {
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/* resources */
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Widget parent; /* treeParent/TreeParent */
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GC gc; /* treeGC/TreeGC */
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/* private data */
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Widget *children;
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int n_children;
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int max_children;
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Dimension bbsubwidth, bbsubheight; /* bounding box of sub tree */
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Dimension bbwidth, bbheight; /* bounding box including node */
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Position x, y;
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#ifndef OLDXAW
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XtPointer pad[2]; /* leave some space for future optimizations, and
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* keep binary compatability
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*/
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#endif
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} TreeConstraintsPart;
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typedef struct _TreeConstraintsRec {
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TreeConstraintsPart tree;
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} TreeConstraintsRec, *TreeConstraints;
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/*
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* useful macros
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*/
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#define TREE_CONSTRAINT(w) \
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((TreeConstraints)((w)->core.constraints))
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#define TREE_INITIAL_DEPTH 10 /* for allocating largest array */
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#define TREE_HORIZONTAL_DEFAULT_SPACING 20
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#define TREE_VERTICAL_DEFAULT_SPACING 6
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#endif /* _XawTreeP_h */
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