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Diffstat (limited to 'vendor/x11iraf/obm/ObmW/LayoutP.h')
| -rw-r--r-- | vendor/x11iraf/obm/ObmW/LayoutP.h | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/vendor/x11iraf/obm/ObmW/LayoutP.h b/vendor/x11iraf/obm/ObmW/LayoutP.h new file mode 100644 index 00000000..d7cbb318 --- /dev/null +++ b/vendor/x11iraf/obm/ObmW/LayoutP.h @@ -0,0 +1,213 @@ +/* + * $XConsortium: LayoutP.h,v 1.2 92/01/22 18:03:08 keith Exp $ + * + * Copyright 1991 Massachusetts Institute of Technology + * + * 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, and that the name of M.I.T. not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. M.I.T. makes no representations about the + * suitability of this software for any purpose. It is provided "as is" + * without express or implied warranty. + * + * M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T. + * 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. + * + * Author: Keith Packard, MIT X Consortium + */ + +#ifndef _XawLayoutP_h +#define _XawLayoutP_h + +#include "Layout.h" +#include <X11/ConstrainP.h> + +#define GlueEqual(a,b) ((a).order == (b).order && (a).value == (b).value) + +#define AddGlue(r,a,b) if (a.order == b.order) { \ + r.order = a.order; \ + r.value = a.value + b.value; \ + } else { \ + if (a.order > b.order) \ + r = a; \ + else \ + r = b; \ + } + +#define MinGlue(r,a,b) if (a.order == b.order) { \ + r.order = a.order; \ + if (a.value > b.value) \ + r.value = b.value; \ + else \ + r.value = a.value; \ + } else { \ + if (a.order > b.order) \ + r = b; \ + else \ + r = a; \ + } + +#define SubGlue(r,a,b) if (a.order == b.order) { \ + r.order = a.order; \ + r.value = a.value - b.value; \ + } else { \ + if (a.order > b.order) \ + r = a; \ + else { \ + r.order = b.order; \ + r.value = -b.value; \ + } \ + } + +#define ZeroGlue(g) ((g).value = 0, (g).order = 0, (g).expr = 0) +#define IsZeroGlue(g) ((g).value == 0) + +#define QuarkToWidget(l,q) XtNameToWidget((Widget) l, \ + (char *) XrmQuarkToString(q)); + +typedef enum _BoxType { BoxBox, WidgetBox, GlueBox, VariableBox } BoxType; + +typedef enum _LayoutDirection { + LayoutHorizontal = 0, LayoutVertical = 1 +} LayoutDirection; + +typedef enum _Operator { + Plus, Minus, Times, Divide, Percent +} Operator; + +typedef enum _ExprType { + Constant, + Binary, + Unary, + Width, + Height, + Variable +} ExprType; + +typedef struct _Expr *ExprPtr; + +typedef struct _Expr { + ExprType type; + union { + double constant; + struct { + Operator op; + ExprPtr left, right; + } binary; + struct { + Operator op; + ExprPtr down; + } unary; + XrmQuark width; + XrmQuark height; + XrmQuark variable; + } u; +} ExprRec; + +typedef struct _Glue { + int order; + double value; + ExprPtr expr; +} GlueRec, *GluePtr; + +typedef struct _BoxParams { + GlueRec stretch[2]; + GlueRec shrink[2]; +} BoxParamsRec, *BoxParamsPtr; + +typedef struct _Box *BoxPtr; + +typedef BoxPtr LayoutPtr; + +typedef struct _Box { + BoxPtr nextSibling; + BoxPtr parent; + BoxParamsRec params; + int size[2]; + int natural[2]; + BoxType type; + union { + struct { + BoxPtr firstChild; + LayoutDirection dir; + } box; + struct { + XrmQuark quark; + Widget widget; + } widget; + struct { + ExprPtr expr; + } glue; + struct { + XrmQuark quark; + ExprPtr expr; + } variable; + } u; +} LBoxRec; /* this conflicted with Box's BoxRec, besides, it's not used anywhere */ + +typedef struct _SubInfo { + int naturalSize[2]; + int naturalBw; +} SubInfoRec, *SubInfoPtr; + +#define New(t) (t *) XtCalloc(1,sizeof (t)) +#define Dispose(p) XtFree((char *) p) +#define Some(t,n) (t*) XtCalloc(1,sizeof(t) * n) +#define More(p,t,n) ((p)? (t *) XtRealloc((char *) p, sizeof(t)*n):Some(t,n) + +/********************************************************************* + * + * Layout Widget Private Data + * + *********************************************************************/ + +/* New fields for the Layout widget class record */ + +typedef struct _LayoutClassPart { + int foo; /* keep compiler happy. */ +} LayoutClassPart; + +/* Full Class record declaration */ +typedef struct _LayoutClassRec { + CoreClassPart core_class; + CompositeClassPart composite_class; + ConstraintClassPart constraint_class; + LayoutClassPart layout_class; +} LayoutClassRec; + +extern LayoutClassRec layoutClassRec; + +typedef struct _LayoutConstraintsRec { + SubInfoRec layout; +} LayoutConstraintsRec, *LayoutConstraints; + +#define SubInfo(w) (&(((LayoutConstraints) (w)->core.constraints)->layout)) + +/* New Fields for the Layout widget record */ + +typedef struct { + /* resources */ + LayoutPtr layout; + Boolean debug; +} LayoutPart; + +/************************************************************************** + * + * Full instance record declaration + * + **************************************************************************/ + +typedef struct _LayoutRec { + CorePart core; + CompositePart composite; + ConstraintPart constraint; + LayoutPart layout; +} LayoutRec; +#endif |