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Diffstat (limited to 'ncurses-5.9/form/form.priv.h')
| -rw-r--r-- | ncurses-5.9/form/form.priv.h | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/ncurses-5.9/form/form.priv.h b/ncurses-5.9/form/form.priv.h new file mode 100644 index 0000000..8f31b7f --- /dev/null +++ b/ncurses-5.9/form/form.priv.h @@ -0,0 +1,297 @@ +/**************************************************************************** + * Copyright (c) 1998-2008,2009 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 * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, 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 ABOVE COPYRIGHT HOLDERS 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(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Juergen Pfeifer, 1995,1997 * + ****************************************************************************/ + +/* $Id$ */ + +#ifndef FORM_PRIV_H +#define FORM_PRIV_H 1 + +#include "curses.priv.h" +#include "mf_common.h" + +#if USE_WIDEC_SUPPORT +#if HAVE_WCTYPE_H +#include <wctype.h> +#endif + +#ifndef MB_LEN_MAX +#define MB_LEN_MAX 8 /* should be >= MB_CUR_MAX, but that may be a function */ +#endif + +#define FIELD_CELL NCURSES_CH_T + +#define NCURSES_FIELD_INTERNALS char** expanded; WINDOW *working; +#define NCURSES_FIELD_EXTENSION , (char **)0, (WINDOW *)0 + +#else + +#define FIELD_CELL char + +#define NCURSES_FIELD_EXTENSION /* nothing */ + +#endif + +#include "form.h" + + /*********************** + * Default objects * + ***********************/ +extern NCURSES_EXPORT_VAR(FORM *) _nc_Default_Form; +extern NCURSES_EXPORT_VAR(FIELD *) _nc_Default_Field; +extern NCURSES_EXPORT_VAR(FIELDTYPE *) _nc_Default_FieldType; + +/* form status values */ +#define _OVLMODE (0x04U) /* Form is in overlay mode */ +#define _WINDOW_MODIFIED (0x10U) /* Current field window has been modified */ +#define _FCHECK_REQUIRED (0x20U) /* Current field needs validation */ + +/* field status values */ +#define _CHANGED (0x01U) /* Field has been changed */ +#define _NEWTOP (0x02U) /* Vertical scrolling occurred */ +#define _NEWPAGE (0x04U) /* field begins new page of form */ +#define _MAY_GROW (0x08U) /* dynamic field may still grow */ + +/* fieldtype status values */ +#define _LINKED_TYPE (0x01U) /* Type is a linked type */ +#define _HAS_ARGS (0x02U) /* Type has arguments */ +#define _HAS_CHOICE (0x04U) /* Type has choice methods */ +#define _RESIDENT (0x08U) /* Type is built-in */ +#define _GENERIC (0x10U) /* A generic field type */ + +/* This are the field options required to be a selectable field in field + navigation requests */ +#define O_SELECTABLE (O_ACTIVE | O_VISIBLE) + +/* If form is NULL replace form argument by default-form */ +#define Normalize_Form(form) \ + ((form) = (form != 0) ? (form) : _nc_Default_Form) + +/* If field is NULL replace field argument by default-field */ +#define Normalize_Field(field) \ + ((field) = (field != 0) ? (field) : _nc_Default_Field) + +#if NCURSES_SP_FUNCS +#define Get_Form_Screen(form) \ + ((form)->win ? _nc_screen_of((form->win)):CURRENT_SCREEN) +#else +#define Get_Form_Screen(form) CURRENT_SCREEN +#endif + +/* Retrieve forms window */ +#define Get_Form_Window(form) \ + ((form)->sub \ + ? (form)->sub \ + : ((form)->win \ + ? (form)->win \ + : StdScreen(Get_Form_Screen(form)))) + +/* Calculate the size for a single buffer for this field */ +#define Buffer_Length(field) ((field)->drows * (field)->dcols) + +/* Calculate the total size of all buffers for this field */ +#define Total_Buffer_Size(field) \ + ( (Buffer_Length(field) + 1) * (1+(field)->nbuf) * sizeof(FIELD_CELL) ) + +/* Logic to determine whether or not a field is single lined */ +#define Single_Line_Field(field) \ + (((field)->rows + (field)->nrow) == 1) + +/* Logic to determine whether or not a field is selectable */ +#define Field_Is_Selectable(f) (((unsigned)((f)->opts) & O_SELECTABLE)==O_SELECTABLE) +#define Field_Is_Not_Selectable(f) (((unsigned)((f)->opts) & O_SELECTABLE)!=O_SELECTABLE) + +typedef struct typearg + { + struct typearg *left; + struct typearg *right; + } +TypeArgument; + +/* This is a dummy request code (normally invalid) to be used internally + with the form_driver() routine to position to the first active field + on the form +*/ +#define FIRST_ACTIVE_MAGIC (-291056) + +#define ALL_FORM_OPTS ( \ + O_NL_OVERLOAD |\ + O_BS_OVERLOAD ) + +#define ALL_FIELD_OPTS (Field_Options)( \ + O_VISIBLE |\ + O_ACTIVE |\ + O_PUBLIC |\ + O_EDIT |\ + O_WRAP |\ + O_BLANK |\ + O_AUTOSKIP|\ + O_NULLOK |\ + O_PASSOK |\ + O_STATIC ) + +#define C_BLANK ' ' +#define is_blank(c) ((c)==C_BLANK) + +#define C_ZEROS '\0' + +extern NCURSES_EXPORT(TypeArgument *) _nc_Make_Argument (const FIELDTYPE*, va_list*, int*); +extern NCURSES_EXPORT(TypeArgument *) _nc_Copy_Argument (const FIELDTYPE*, const TypeArgument*, int*); +extern NCURSES_EXPORT(void) _nc_Free_Argument (const FIELDTYPE*, TypeArgument*); +extern NCURSES_EXPORT(bool) _nc_Copy_Type (FIELD*, FIELD const *); +extern NCURSES_EXPORT(void) _nc_Free_Type (FIELD *); + +extern NCURSES_EXPORT(int) _nc_Synchronize_Attributes (FIELD*); +extern NCURSES_EXPORT(int) _nc_Synchronize_Options (FIELD*, Field_Options); +extern NCURSES_EXPORT(int) _nc_Set_Form_Page (FORM*, int, FIELD*); +extern NCURSES_EXPORT(int) _nc_Refresh_Current_Field (FORM*); +extern NCURSES_EXPORT(FIELD *) _nc_First_Active_Field (FORM*); +extern NCURSES_EXPORT(bool) _nc_Internal_Validation (FORM*); +extern NCURSES_EXPORT(int) _nc_Set_Current_Field (FORM*, FIELD*); +extern NCURSES_EXPORT(int) _nc_Position_Form_Cursor (FORM*); + +#if NCURSES_INTEROP_FUNCS +extern NCURSES_EXPORT(FIELDTYPE *) _nc_TYPE_INTEGER(void); +extern NCURSES_EXPORT(FIELDTYPE *) _nc_TYPE_ALNUM(void); +extern NCURSES_EXPORT(FIELDTYPE *) _nc_TYPE_ALPHA(void); +extern NCURSES_EXPORT(FIELDTYPE *) _nc_TYPE_ENUM(void); +extern NCURSES_EXPORT(FIELDTYPE *) _nc_TYPE_NUMERIC(void); +extern NCURSES_EXPORT(FIELDTYPE *) _nc_TYPE_REGEXP(void); +extern NCURSES_EXPORT(FIELDTYPE *) _nc_TYPE_IPV4(void); + +extern NCURSES_EXPORT(FIELDTYPE *) +_nc_generic_fieldtype(bool (*const field_check) (FORM*, + FIELD *, + const void *), + bool (*const char_check) (int, + FORM*, + FIELD*, + const void *), + bool (*const next)(FORM*,FIELD*,const void*), + bool (*const prev)(FORM*,FIELD*,const void*), + void (*freecallback)(void*)); +extern NCURSES_EXPORT(int) _nc_set_generic_fieldtype(FIELD*, FIELDTYPE*, int (*)(void**)); +extern NCURSES_EXPORT(WINDOW*) _nc_form_cursor(const FORM* , int* , int* ); + +#define INIT_FT_FUNC(func) {func} +#else +#define INIT_FT_FUNC(func) func +#endif + +extern NCURSES_EXPORT(void) _nc_get_fieldbuffer(FORM*, FIELD*, FIELD_CELL*); + +#if USE_WIDEC_SUPPORT +extern NCURSES_EXPORT(wchar_t *) _nc_Widen_String(char *, int *); +#endif + +#ifdef TRACE + +#define returnField(code) TRACE_RETURN(code,field) +#define returnFieldPtr(code) TRACE_RETURN(code,field_ptr) +#define returnForm(code) TRACE_RETURN(code,form) +#define returnFieldType(code) TRACE_RETURN(code,field_type) +#define returnFormHook(code) TRACE_RETURN(code,form_hook) + +extern NCURSES_EXPORT(FIELD **) _nc_retrace_field_ptr (FIELD **); +extern NCURSES_EXPORT(FIELD *) _nc_retrace_field (FIELD *); +extern NCURSES_EXPORT(FIELDTYPE *) _nc_retrace_field_type (FIELDTYPE *); +extern NCURSES_EXPORT(FORM *) _nc_retrace_form (FORM *); +extern NCURSES_EXPORT(Form_Hook) _nc_retrace_form_hook (Form_Hook); + +#else /* !TRACE */ + +#define returnFieldPtr(code) return code +#define returnFieldType(code) return code +#define returnField(code) return code +#define returnForm(code) return code +#define returnFormHook(code) return code + +#endif /* TRACE/!TRACE */ + +/* + * Use Check_CTYPE_Field() to simplify FIELDTYPE's that use only the ccheck() + * function. + */ +#if USE_WIDEC_SUPPORT +#define Check_CTYPE_Field(result, buffer, width, ccheck) \ + while (*buffer && *buffer == ' ') \ + buffer++; \ + if (*buffer) \ + { \ + bool blank = FALSE; \ + int len; \ + int n; \ + wchar_t *list = _nc_Widen_String((char *)buffer, &len); \ + if (list != 0) \ + { \ + result = TRUE; \ + for (n = 0; n < len; ++n) \ + { \ + if (blank) \ + { \ + if (list[n] != ' ') \ + { \ + result = FALSE; \ + break; \ + } \ + } \ + else if (list[n] == ' ') \ + { \ + blank = TRUE; \ + result = (n + 1 >= width); \ + } \ + else if (!ccheck(list[n], NULL)) \ + { \ + result = FALSE; \ + break; \ + } \ + } \ + free(list); \ + } \ + } +#else +#define Check_CTYPE_Field(result, buffer, width, ccheck) \ + while (*buffer && *buffer == ' ') \ + buffer++; \ + if (*buffer) \ + { \ + unsigned char *s = buffer; \ + int l = -1; \ + while (*buffer && ccheck(*buffer, NULL)) \ + buffer++; \ + l = (int)(buffer - s); \ + while (*buffer && *buffer == ' ') \ + buffer++; \ + result = ((*buffer || (l < width)) ? FALSE : TRUE); \ + } +#endif + +#endif /* FORM_PRIV_H */ |