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Diffstat (limited to 'X11/Xaw/TreeP.h')
| -rw-r--r-- | X11/Xaw/TreeP.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/X11/Xaw/TreeP.h b/X11/Xaw/TreeP.h new file mode 100644 index 000000000..01d2bdc88 --- /dev/null +++ b/X11/Xaw/TreeP.h @@ -0,0 +1,137 @@ +/* + +Copyright 1990, 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. + + * Copyright 1989 Prentice Hall + * + * Permission to use, copy, modify, and distribute this software for any + * purpose and without fee is hereby granted, provided that the above + * copyright notice appear in all copies and that both the copyright notice + * and this permission notice appear in supporting documentation. + * + * Prentice Hall and the authors disclaim all warranties with regard + * to this software, including all implied warranties of merchantability and + * fitness. In no event shall Prentice Hall or the authors be liable + * for any special, indirect or cosequential 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. + * + * Authors: Jim Fulton, MIT X Consortium, + * based on a version by Douglas Young, Prentice Hall + * + * This widget is based on the Tree widget described on pages 397-419 of + * Douglas Young's book "The X Window System, Programming and Applications + * with Xt OSF/Motif Edition." The layout code has been rewritten to use + * additional blank space to make the structure of the graph easier to see + * as well as to support vertical trees. + */ + +#ifndef _XawTreeP_h +#define _XawTreeP_h + +#include <X11/Xaw/Tree.h> + +typedef struct _TreeClassPart { + XtPointer extension; +} TreeClassPart; + +typedef struct _TreeClassRec { + CoreClassPart core_class; + CompositeClassPart composite_class; + ConstraintClassPart constraint_class; + TreeClassPart tree_class; +} TreeClassRec; + +extern TreeClassRec treeClassRec; + +typedef struct { + /* fields available through resources */ + Dimension hpad; /* hSpace/HSpace */ + Dimension vpad; /* vSpace/VSpace */ + Dimension line_width; /* lineWidth/LineWidth */ + Pixel foreground; /* foreground/Foreground */ + XtGravity gravity; /* gravity/Gravity */ + Boolean auto_reconfigure; /* autoReconfigure/AutoReconfigure */ + /* private fields */ + GC gc; /* used to draw lines */ + Widget tree_root; /* hidden root off all children */ + Dimension *largest; /* list of largest per depth */ + int n_largest; /* number of elements in largest */ + Dimension maxwidth, maxheight; /* for shrink wrapping */ +#ifndef OLDXAW + XawDisplayList *display_list; + XtPointer pad[4]; /* for future use and keep binary compatability */ +#endif +} TreePart; + + +typedef struct _TreeRec { + CorePart core; + CompositePart composite; + ConstraintPart constraint; + TreePart tree; +} TreeRec; + + +/* + * structure attached to all children + */ +typedef struct _TreeConstraintsPart { + /* resources */ + Widget parent; /* treeParent/TreeParent */ + GC gc; /* treeGC/TreeGC */ + /* private data */ + Widget *children; + int n_children; + int max_children; + Dimension bbsubwidth, bbsubheight; /* bounding box of sub tree */ + Dimension bbwidth, bbheight; /* bounding box including node */ + Position x, y; +#ifndef OLDXAW + XtPointer pad[2]; /* leave some space for future optimizations, and + * keep binary compatability + */ +#endif +} TreeConstraintsPart; + +typedef struct _TreeConstraintsRec { + TreeConstraintsPart tree; +} TreeConstraintsRec, *TreeConstraints; + + +/* + * useful macros + */ + +#define TREE_CONSTRAINT(w) \ + ((TreeConstraints)((w)->core.constraints)) + +#define TREE_INITIAL_DEPTH 10 /* for allocating largest array */ +#define TREE_HORIZONTAL_DEFAULT_SPACING 20 +#define TREE_VERTICAL_DEFAULT_SPACING 6 + +#endif /* _XawTreeP_h */ + + + |