#ifndef _XpTableP_h #define _XpTableP_h #include /* * SCCS_data: @(#) TableP.h 1.5 92/06/10 06:14:44 * * XpTable - Forms-based composite widget/geometry manager. * Class heirarchy: * Core * Composite * XpTable * * Originally implemented by: * David Harrison * University of California, Berkeley * 1989 * * Many bug fixes and enhancements provided by * marbru@auto-trol.com Martin Brunecky * nazgul@alphalpha.com Kee Hinckley * pastor@PRC.Unisys.COM Jon A. Pastor * * Completely re-implemented by: * David.Smyth@SniAP.MchP.SNI.De */ #include #include /* Method definitions **====================** No new methods. I can't imagine how anyone is going to sub-class THIS Widget, as the coupling between the behavior and the instance members is rather intense! */ /* XpTable Class Part: Information kept in class record **=======================================================** */ typedef struct _XpTableClassPart { caddr_t extension; } XpTableClassPart; /* Class hierarchy **=================** */ typedef struct _XpTableClassRec { CoreClassPart core_class; CompositeClassPart composite_class; XpTableClassPart table_class; } XpTableClassRec; extern XpTableClassRec xpTableClassRec; /* Private data types **====================** All of these structures are often used as elements of null terminated arrays. */ /* Table Location structs. **========================** These are used to describe each widget location, in both the default_layout and the real_layout. In the default_layout, the location structs contain a quark, in the real_layout they contain the actual widget and the orig* fields are set. */ typedef struct _XpTableLoc { XrmQuark w_quark; /* Widget name quark */ Widget w; /* actual widget */ int col, row; /* Position in table */ int col_span, row_span; /* Positions spanned */ int orig_width, orig_height;/* Childs orig size */ XpTableOpts options; /* Child layout options */ } XpTableLocRec; /* *XpTableLoc */ /* XpTableLoc Methods **=====================** */ extern XpTableLoc XpTableLocNew _(( int /*num*/ )); extern XpTableLoc XpTableLocGrow _(( XpTableLoc )); extern XpTableLoc XpTableLocCopy _(( XpTableLoc )); extern XpTableLoc XpTableLocParse _(( String /*layout*/ )); extern XpTableLoc XpTableLocFind _(( XpTableLoc, Widget /*toFind*/ )); extern XpTableLoc XpTableLocFindDefault _(( XpTableLoc, Widget /*toFind*/ )); extern XpTableLoc XpTableLocFindAtPosition _((XpTableLoc,int/*col*/,int/*ro*/)); extern int XpTableLocLen _(( XpTableLoc )); extern int XpTableLocPreferredWidth _(( XpTableLoc, int /*shrink*/ )); extern int XpTableLocPreferredHeight _(( XpTableLoc, int /*shrink*/ )); extern int XpTableLocNumCols _(( XpTableLoc )); extern int XpTableLocNumRows _(( XpTableLoc )); extern int XpTableLocCompareColSpan _(( XpTableLoc, XpTableLoc )); extern int XpTableLocCompareRowSpan _(( XpTableLoc, XpTableLoc )); extern void XpTableLocFree _(( XpTableLoc )); /* Table Vector Structs **======================** A table has two of these vectors: one for columns, and one for rows. */ typedef int XpTableVectorOpts; #define TBL_VEC_MINIMIZE 0x01 #define TBL_VEC_LOCK 0x02 #define TBL_VEC_NOGROW (TBL_VEC_MINIMIZE | TBL_VEC_LOCK) typedef struct _XpTableVector { XpTableVectorOpts options; /* Apply to entire col or row */ int value; /* width of col, hieght of row */ int pref_value; /* minimum or preferred value */ int offset; /* of upper left corner of cell */ } XpTableVectorRec, *XpTableVector; /* XpTableVector Methods **========================** */ #define TABLE XpTableWidget #define DO_COL (int)1 #define DO_ROW (int)0 extern XpTableVector XpTableVectorNew _(( int, TABLE, int )); extern void XpTableVectorFree _(( XpTableVector )); extern void XpTableVectorMinimize _(( XpTableVector, int, TABLE, int)); extern int XpTableVectorTotalSize _(( XpTableVector, int, TABLE, int)); extern int XpTableVectorPreferredSize _(( XpTableVector, int, TABLE, int)); extern void XpTableVectorAdjust _(( XpTableVector, int /*len*/, int /*amt*/)); extern void XpTableVectorComputeOffsets _(( XpTableVector, int, int, int )); #undef TABLE typedef enum _ResizeStatus { RSinit, RSdone, RSdueToRequest } ResizeStatus; /* XpTable Part: Information kept in instance record **====================================================** */ typedef struct _XpTablePart { /* controlling members, set by SetValues or from resource database */ Boolean force_shrink; /* Shrink smaller than pref'd */ Boolean shrink_simple; /* Shrink simple widgets */ int margin_width; /* to left and right of kids */ int margin_height; /* above and below table kids */ int col_spacing; /* Space between columns */ int row_spacing; /* Space between rows */ XpTableOpts default_options;/* Default child layout options */ XpTableLoc default_layout; /* Layout spec (orig from xrdb) */ /* internally computed members */ XpTableLoc real_layout; /* Computed current layout */ int num_cols; /* Number of columns */ XpTableVector cols; /* Widths and opts of each col */ int num_rows; /* Number of rows */ XpTableVector rows; /* Heights and opts of each row */ /* State indications */ ResizeStatus resizeStatus; /* if Resize method invoked */ } XpTablePart; /* Instance hierarchy **====================** */ typedef struct _XpTableRec { CorePart core; CompositePart composite; XpTablePart table; } XpTableRec; /* Geometry Management Support Methods **=====================================** */ extern void XpTableNewLayout _(( XpTableWidget )); extern void XpTableRecomputeLayout _(( XpTableWidget )); extern void XpTableResizeLayout _(( XpTableWidget )); extern void XpTableNewRealLayout _(( XpTableWidget )); extern void XpTableAppendToDefaultLayout _(( XpTableWidget, XpTableLoc )); extern void XpTableNewColsAndRows _(( XpTableWidget )); extern void XpTableMakeColsFitWidth _(( XpTableWidget )); extern void XpTableMakeRowsFitHeight _(( XpTableWidget )); extern int XpTablePreferredWidth _(( XpTableWidget )); extern int XpTablePreferredHeight _(( XpTableWidget )); extern void XpTableRequestResize _(( XpTableWidget )); extern void XpTableSetGeometryOfChildren _(( XpTableWidget )); #endif /* _XpTableP_h */