diff options
Diffstat (limited to 'contrib/ncurses/form/fld_def.c')
| -rw-r--r-- | contrib/ncurses/form/fld_def.c | 355 |
1 files changed, 200 insertions, 155 deletions
diff --git a/contrib/ncurses/form/fld_def.c b/contrib/ncurses/form/fld_def.c index e12179e..dc02379 100644 --- a/contrib/ncurses/form/fld_def.c +++ b/contrib/ncurses/form/fld_def.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998,2000 Free Software Foundation, Inc. * + * Copyright (c) 1998-2004,2005 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * @@ -27,296 +27,324 @@ ****************************************************************************/ /**************************************************************************** - * Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 * + * Author: Juergen Pfeifer, 1995,1997 * ****************************************************************************/ #include "form.priv.h" -MODULE_ID("$Id: fld_def.c,v 1.13 2000/12/10 02:09:38 tom Exp $") +MODULE_ID("$Id: fld_def.c,v 1.33 2005/04/16 17:31:17 tom Exp $") /* this can't be readonly */ -static FIELD default_field = { - 0, /* status */ - 0, /* rows */ - 0, /* cols */ - 0, /* frow */ - 0, /* fcol */ - 0, /* drows */ - 0, /* dcols */ - 0, /* maxgrow*/ - 0, /* nrow */ - 0, /* nbuf */ - NO_JUSTIFICATION, /* just */ - 0, /* page */ - 0, /* index */ - (int)' ', /* pad */ - A_NORMAL, /* fore */ - A_NORMAL, /* back */ - ALL_FIELD_OPTS, /* opts */ - (FIELD *)0, /* snext */ - (FIELD *)0, /* sprev */ - (FIELD *)0, /* link */ - (FORM *)0, /* form */ - (FIELDTYPE *)0, /* type */ - (char *)0, /* arg */ - (char *)0, /* buf */ - (char *)0 /* usrptr */ +static FIELD default_field = +{ + 0, /* status */ + 0, /* rows */ + 0, /* cols */ + 0, /* frow */ + 0, /* fcol */ + 0, /* drows */ + 0, /* dcols */ + 0, /* maxgrow */ + 0, /* nrow */ + 0, /* nbuf */ + NO_JUSTIFICATION, /* just */ + 0, /* page */ + 0, /* index */ + (int)' ', /* pad */ + A_NORMAL, /* fore */ + A_NORMAL, /* back */ + ALL_FIELD_OPTS, /* opts */ + (FIELD *)0, /* snext */ + (FIELD *)0, /* sprev */ + (FIELD *)0, /* link */ + (FORM *)0, /* form */ + (FIELDTYPE *)0, /* type */ + (char *)0, /* arg */ + (FIELD_CELL *)0, /* buf */ + (char *)0 /* usrptr */ + NCURSES_FIELD_EXTENSION }; -NCURSES_EXPORT_VAR(FIELD *) _nc_Default_Field = &default_field; - +NCURSES_EXPORT_VAR(FIELD *) +_nc_Default_Field = &default_field; + /*--------------------------------------------------------------------------- -| Facility : libnform +| Facility : libnform | Function : TypeArgument *_nc_Make_Argument( | const FIELDTYPE *typ, | va_list *ap, | int *err ) -| +| | Description : Create an argument structure for the specified type. -| Use the type-dependant argument list to construct +| Use the type-dependent argument list to construct | it. | | Return Values : Pointer to argument structure. Maybe NULL. -| In case of an error in *err an errorcounter is increased. +| In case of an error in *err an error counter is increased. +--------------------------------------------------------------------------*/ -NCURSES_EXPORT(TypeArgument*) -_nc_Make_Argument -(const FIELDTYPE *typ, va_list *ap, int *err) +NCURSES_EXPORT(TypeArgument *) +_nc_Make_Argument(const FIELDTYPE *typ, va_list *ap, int *err) { - TypeArgument *res = (TypeArgument *)0; + TypeArgument *res = (TypeArgument *)0; TypeArgument *p; - if (typ && (typ->status & _HAS_ARGS)) + if (typ != 0 && (typ->status & _HAS_ARGS) != 0) { - assert(err && ap); - if (typ->status & _LINKED_TYPE) + assert(err != 0 && ap != (va_list *)0); + if ((typ->status & _LINKED_TYPE) != 0) { p = (TypeArgument *)malloc(sizeof(TypeArgument)); - if (p) + + if (p != 0) { - p->left = _nc_Make_Argument(typ->left ,ap,err); - p->right = _nc_Make_Argument(typ->right,ap,err); + p->left = _nc_Make_Argument(typ->left, ap, err); + p->right = _nc_Make_Argument(typ->right, ap, err); return p; } else - *err += 1; - } else + { + *err += 1; + } + } + else { - assert(typ->makearg); - if ( !(res=(TypeArgument *)typ->makearg(ap)) ) - *err += 1; + assert(typ->makearg != (void *)0); + if (!(res = (TypeArgument *)typ->makearg(ap))) + { + *err += 1; + } } } return res; } /*--------------------------------------------------------------------------- -| Facility : libnform +| Facility : libnform | Function : TypeArgument *_nc_Copy_Argument(const FIELDTYPE *typ, | const TypeArgument *argp, | int *err ) -| -| Description : Create a copy of an argument structure for the specified +| +| Description : Create a copy of an argument structure for the specified | type. | | Return Values : Pointer to argument structure. Maybe NULL. -| In case of an error in *err an errorcounter is increased. +| In case of an error in *err an error counter is increased. +--------------------------------------------------------------------------*/ -NCURSES_EXPORT(TypeArgument*) -_nc_Copy_Argument - (const FIELDTYPE *typ, - const TypeArgument *argp, int *err) +NCURSES_EXPORT(TypeArgument *) +_nc_Copy_Argument(const FIELDTYPE *typ, const TypeArgument *argp, int *err) { TypeArgument *res = (TypeArgument *)0; TypeArgument *p; - if ( typ && (typ->status & _HAS_ARGS) ) + if (typ != 0 && (typ->status & _HAS_ARGS) != 0) { - assert(err && argp); - if (typ->status & _LINKED_TYPE) + assert(err != 0 && argp != 0); + if ((typ->status & _LINKED_TYPE) != 0) { p = (TypeArgument *)malloc(sizeof(TypeArgument)); - if (p) + + if (p != 0) { - p->left = _nc_Copy_Argument(typ,argp->left ,err); - p->right = _nc_Copy_Argument(typ,argp->right,err); + p->left = _nc_Copy_Argument(typ, argp->left, err); + p->right = _nc_Copy_Argument(typ, argp->right, err); return p; } *err += 1; - } - else + } + else { - if (typ->copyarg) + if (typ->copyarg != (void *)0) { - if (!(res = (TypeArgument *)(typ->copyarg((const void *)argp)))) - *err += 1; + if (!(res = (TypeArgument *)(typ->copyarg((const void *)argp)))) + { + *err += 1; + } } else - res = (TypeArgument *)argp; + { + res = (TypeArgument *)argp; + } } } return res; } /*--------------------------------------------------------------------------- -| Facility : libnform +| Facility : libnform | Function : void _nc_Free_Argument(const FIELDTYPE *typ, | TypeArgument * argp ) -| +| | Description : Release memory associated with the argument structure | for the given fieldtype. | | Return Values : - +--------------------------------------------------------------------------*/ NCURSES_EXPORT(void) -_nc_Free_Argument -(const FIELDTYPE * typ, TypeArgument * argp) +_nc_Free_Argument(const FIELDTYPE *typ, TypeArgument *argp) { - if (!typ || !(typ->status & _HAS_ARGS)) - return; - - if (typ->status & _LINKED_TYPE) - { - assert(argp); - _nc_Free_Argument(typ->left ,argp->left ); - _nc_Free_Argument(typ->right,argp->right); - free(argp); - } - else + if (typ != 0 && (typ->status & _HAS_ARGS) != 0) { - if (typ->freearg) - typ->freearg((void *)argp); + if ((typ->status & _LINKED_TYPE) != 0) + { + assert(argp != 0); + _nc_Free_Argument(typ->left, argp->left); + _nc_Free_Argument(typ->right, argp->right); + free(argp); + } + else + { + if (typ->freearg != (void *)0) + { + typ->freearg((void *)argp); + } + } } } /*--------------------------------------------------------------------------- -| Facility : libnform +| Facility : libnform | Function : bool _nc_Copy_Type( FIELD *dst, FIELD const *src ) -| +| | Description : Copy argument structure of field src to field dst | | Return Values : TRUE - copy worked -| FALSE - error occured +| FALSE - error occurred +--------------------------------------------------------------------------*/ NCURSES_EXPORT(bool) -_nc_Copy_Type -(FIELD *dst, FIELD const *src) +_nc_Copy_Type(FIELD *dst, FIELD const *src) { int err = 0; - assert(dst && src); + assert(dst != 0 && src != 0); dst->type = src->type; - dst->arg = (void *)_nc_Copy_Argument(src->type,(TypeArgument *)(src->arg),&err); + dst->arg = (void *)_nc_Copy_Argument(src->type, (TypeArgument *)(src->arg), &err); - if (err) + if (err != 0) { - _nc_Free_Argument(dst->type,(TypeArgument *)(dst->arg)); + _nc_Free_Argument(dst->type, (TypeArgument *)(dst->arg)); dst->type = (FIELDTYPE *)0; - dst->arg = (void *)0; + dst->arg = (void *)0; return FALSE; } else { - if (dst->type) - dst->type->ref++; + if (dst->type != 0) + { + dst->type->ref++; + } return TRUE; } } /*--------------------------------------------------------------------------- -| Facility : libnform +| Facility : libnform | Function : void _nc_Free_Type( FIELD *field ) -| +| | Description : Release Argument structure for this field | | Return Values : - +--------------------------------------------------------------------------*/ NCURSES_EXPORT(void) -_nc_Free_Type (FIELD *field) +_nc_Free_Type(FIELD *field) { - assert(field); - if (field->type) - field->type->ref--; - _nc_Free_Argument(field->type,(TypeArgument *)(field->arg)); + assert(field != 0); + if (field->type != 0) + { + field->type->ref--; + } + _nc_Free_Argument(field->type, (TypeArgument *)(field->arg)); } /*--------------------------------------------------------------------------- -| Facility : libnform -| Function : FIELD *new_field( int rows, int cols, +| Facility : libnform +| Function : FIELD *new_field( int rows, int cols, | int frow, int fcol, | int nrow, int nbuf ) -| +| | Description : Create a new field with this many 'rows' and 'cols', | starting at 'frow/fcol' in the subwindow of the form. | Allocate 'nrow' off-screen rows and 'nbuf' additional | buffers. If an error occurs, errno is set to -| +| | E_BAD_ARGUMENT - invalid argument | E_SYSTEM_ERROR - system error | | Return Values : Pointer to the new field or NULL if failure. +--------------------------------------------------------------------------*/ NCURSES_EXPORT(FIELD *) -new_field -(int rows, int cols, int frow, int fcol, int nrow, int nbuf) +new_field(int rows, int cols, int frow, int fcol, int nrow, int nbuf) { + static const FIELD_CELL blank = BLANK; + static const FIELD_CELL zeros = ZEROS; + FIELD *New_Field = (FIELD *)0; int err = E_BAD_ARGUMENT; - if (rows>0 && - cols>0 && - frow>=0 && - fcol>=0 && - nrow>=0 && - nbuf>=0 && - ((err = E_SYSTEM_ERROR) != 0) && /* trick: this resets the default error */ - (New_Field=(FIELD *)malloc(sizeof(FIELD))) ) + T((T_CALLED("new_field(%d,%d,%d,%d,%d,%d)"), rows, cols, frow, fcol, nrow, nbuf)); + if (rows > 0 && + cols > 0 && + frow >= 0 && + fcol >= 0 && + nrow >= 0 && + nbuf >= 0 && + ((err = E_SYSTEM_ERROR) != 0) && /* trick: this resets the default error */ + (New_Field = (FIELD *)malloc(sizeof(FIELD))) != 0) { - *New_Field = default_field; - New_Field->rows = rows; - New_Field->cols = cols; + *New_Field = default_field; + New_Field->rows = rows; + New_Field->cols = cols; New_Field->drows = rows + nrow; New_Field->dcols = cols; - New_Field->frow = frow; - New_Field->fcol = fcol; - New_Field->nrow = nrow; - New_Field->nbuf = nbuf; - New_Field->link = New_Field; + New_Field->frow = frow; + New_Field->fcol = fcol; + New_Field->nrow = nrow; + New_Field->nbuf = nbuf; + New_Field->link = New_Field; + +#if USE_WIDEC_SUPPORT + New_Field->working = newpad(1, Buffer_Length(New_Field) + 1); + New_Field->expanded = (char **)calloc(1 + (unsigned)rows, sizeof(char *)); +#endif - if (_nc_Copy_Type(New_Field,&default_field)) + if (_nc_Copy_Type(New_Field, &default_field)) { size_t len; len = Total_Buffer_Size(New_Field); - if ((New_Field->buf = (char *)malloc(len))) + if ((New_Field->buf = (FIELD_CELL *)malloc(len))) { /* Prefill buffers with blanks and insert terminating zeroes - between buffers */ - int i; + between buffers */ + int i, j; + int cells = Buffer_Length(New_Field); - memset(New_Field->buf,' ',len); - for(i=0;i<=New_Field->nbuf;i++) + for (i = 0; i <= New_Field->nbuf; i++) { - New_Field->buf[(New_Field->drows*New_Field->cols+1)*(i+1)-1] - = '\0'; + FIELD_CELL *buffer = &(New_Field->buf[(cells + 1) * i]); + + for (j = 0; j < cells; ++j) + { + buffer[j] = blank; + } + buffer[j] = zeros; } - return New_Field; + returnField(New_Field); } } } - if (New_Field) + if (New_Field) free_field(New_Field); - - SET_ERROR( err ); - return (FIELD *)0; + + SET_ERROR(err); + returnField((FIELD *)0); } /*--------------------------------------------------------------------------- -| Facility : libnform +| Facility : libnform | Function : int free_field( FIELD *field ) -| +| | Description : Frees the storage allocated for the field. | | Return Values : E_OK - success @@ -324,28 +352,45 @@ new_field | E_CONNECTED - field is connected +--------------------------------------------------------------------------*/ NCURSES_EXPORT(int) -free_field (FIELD * field) +free_field(FIELD *field) { - if (!field) - RETURN(E_BAD_ARGUMENT); - - if (field->form) - RETURN(E_CONNECTED); - - if (field == field->link) + T((T_CALLED("free_field(%p)"), field)); + if (!field) { - if (field->buf) + RETURN(E_BAD_ARGUMENT); + } + else if (field->form != 0) + { + RETURN(E_CONNECTED); + } + else if (field == field->link) + { + if (field->buf != 0) free(field->buf); } - else + else { FIELD *f; - for(f=field;f->link != field;f = f->link) - {} + for (f = field; f->link != field; f = f->link) + { + } f->link = field->link; } _nc_Free_Type(field); +#if USE_WIDEC_SUPPORT + if (field->expanded != 0) + { + int n; + + for (n = 0; n <= field->nbuf; ++n) + { + FreeIfNeeded(field->expanded[n]); + } + free(field->expanded); + (void)delwin(field->working); + } +#endif free(field); RETURN(E_OK); } |
