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Diffstat (limited to 'include/X11/Xaw3d/FormP.h')
| -rw-r--r-- | include/X11/Xaw3d/FormP.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/include/X11/Xaw3d/FormP.h b/include/X11/Xaw3d/FormP.h new file mode 100644 index 0000000..a7390c4 --- /dev/null +++ b/include/X11/Xaw3d/FormP.h @@ -0,0 +1,141 @@ +/*********************************************************** + +Copyright (c) 1987, 1988, 1994 X Consortium + +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 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 +X CONSORTIUM 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 X Consortium 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 X Consortium. + + +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. + +******************************************************************/ + +/* Form widget private definitions */ + +#ifndef _XawFormP_h +#define _XawFormP_h + +#include <X11/Xaw3d/Form.h> + +#define XtREdgeType "EdgeType" + +typedef enum {LayoutPending, LayoutInProgress, LayoutDone} LayoutState; +#define XtInheritLayout ((Boolean (*)())_XtInherit) + +typedef struct { + Boolean (*layout)(/* FormWidget, Dimension, Dimension */); +} FormClassPart; + +/* + * Layout( + * FormWidget w - the widget whose children are to be configured + * Dimension w, h - bounding box of layout to be calculated + * + * Stores preferred geometry in w->form.preferred_{width,height}. + * If w->form.resize_in_layout is True, then a geometry request + * may be made for the preferred bounding box if necessary. + * + * Returns True if a geometry request was granted, False otherwise. + */ + +typedef struct _FormClassRec { + CoreClassPart core_class; + CompositeClassPart composite_class; + ConstraintClassPart constraint_class; + FormClassPart form_class; +} FormClassRec; + +extern FormClassRec formClassRec; + +typedef struct _FormPart { + /* resources */ + int default_spacing; /* default distance between children */ + /* private state */ + Dimension old_width, old_height; /* last known dimensions */ + int no_refigure; /* no re-layout while > 0 */ + Boolean needs_relayout; /* next time no_refigure == 0 */ + Boolean resize_in_layout; /* should layout() do geom request? */ + Dimension preferred_width, preferred_height; /* cached from layout */ + Boolean resize_is_no_op; /* Causes resize to take not action. */ +} FormPart; + +typedef struct _FormRec { + CorePart core; + CompositePart composite; + ConstraintPart constraint; + FormPart form; +} FormRec; + +typedef struct _FormConstraintsPart { +/* + * Constraint Resources. + */ + XtEdgeType top, bottom, /* where to drag edge on resize */ + left, right; + int dx; /* desired horiz offset */ + int dy; /* desired vertical offset */ + Widget horiz_base; /* measure dx from here if non-null */ + Widget vert_base; /* measure dy from here if non-null */ + Boolean allow_resize; /* TRUE if child may request resize */ + +/* + * Private contstraint resources. + */ + +/* + * What the size of this child would be if we did not impose the + * constraint the width and height must be greater than zero (0). + */ + short virtual_width, virtual_height; + +/* + * Temporary Storage for children's new possible possition. + */ + + Position new_x, new_y; + + LayoutState layout_state; /* temporary layout state */ + Boolean deferred_resize; /* was resized while no_refigure is set */ +} FormConstraintsPart; + +typedef struct _FormConstraintsRec { + FormConstraintsPart form; +} FormConstraintsRec, *FormConstraints; + +#endif /* _XawFormP_h */ |