1 /**************************************************************************** 2 * Copyright (c) 1998,2000 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29 /**************************************************************************** 30 * Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 * 31 ****************************************************************************/ 32 33 #include "mf_common.h" 34 #include "form.h" 35 36 /* form status values */ 37 #define _OVLMODE (0x04) /* Form is in overlay mode */ 38 #define _WINDOW_MODIFIED (0x10) /* Current field window has been modified */ 39 #define _FCHECK_REQUIRED (0x20) /* Current field needs validation */ 40 41 /* field status values */ 42 #define _CHANGED (0x01) /* Field has been changed */ 43 #define _NEWTOP (0x02) /* Vertical scrolling occured */ 44 #define _NEWPAGE (0x04) /* field begins new page of form */ 45 #define _MAY_GROW (0x08) /* dynamic field may still grow */ 46 47 /* fieldtype status values */ 48 #define _LINKED_TYPE (0x01) /* Type is a linked type */ 49 #define _HAS_ARGS (0x02) /* Type has arguments */ 50 #define _HAS_CHOICE (0x04) /* Type has choice methods */ 51 #define _RESIDENT (0x08) /* Type is builtin */ 52 53 /* This are the field options required to be a selectable field in field 54 navigation requests */ 55 #define O_SELECTABLE (O_ACTIVE | O_VISIBLE) 56 57 /* If form is NULL replace form argument by default-form */ 58 #define Normalize_Form(form) ((form)=(form)?(form):_nc_Default_Form) 59 60 /* If field is NULL replace field argument by default-field */ 61 #define Normalize_Field(field) ((field)=(field)?(field):_nc_Default_Field) 62 63 /* Retrieve forms window */ 64 #define Get_Form_Window(form) \ 65 ((form)->sub?(form)->sub:((form)->win?(form)->win:stdscr)) 66 67 /* Calculate the size for a single buffer for this field */ 68 #define Buffer_Length(field) ((field)->drows * (field)->dcols) 69 70 /* Calculate the total size of all buffers for this field */ 71 #define Total_Buffer_Size(field) \ 72 ( (Buffer_Length(field) + 1) * (1+(field)->nbuf) ) 73 74 /* Logic to determine whether or not a field is single lined */ 75 #define Single_Line_Field(field) \ 76 (((field)->rows + (field)->nrow) == 1) 77 78 /* Logic to determine whether or not a field is selectable */ 79 #define Field_Is_Selectable(f) (((f)->opts & O_SELECTABLE)==O_SELECTABLE) 80 #define Field_Is_Not_Selectable(f) (((f)->opts & O_SELECTABLE)!=O_SELECTABLE) 81 82 typedef struct typearg { 83 struct typearg *left; 84 struct typearg *right; 85 } TypeArgument; 86 87 /* This is a dummy request code (normally invalid) to be used internally 88 with the form_driver() routine to position to the first active field 89 on the form 90 */ 91 #define FIRST_ACTIVE_MAGIC (-291056) 92 93 #define ALL_FORM_OPTS ( \ 94 O_NL_OVERLOAD |\ 95 O_BS_OVERLOAD ) 96 97 #define ALL_FIELD_OPTS ( \ 98 O_VISIBLE |\ 99 O_ACTIVE |\ 100 O_PUBLIC |\ 101 O_EDIT |\ 102 O_WRAP |\ 103 O_BLANK |\ 104 O_AUTOSKIP|\ 105 O_NULLOK |\ 106 O_PASSOK |\ 107 O_STATIC ) 108 109 110 #define C_BLANK ' ' 111 #define is_blank(c) ((c)==C_BLANK) 112 113 extern NCURSES_EXPORT_VAR(const FIELDTYPE *) _nc_Default_FieldType; 114 115 extern NCURSES_EXPORT(TypeArgument *) _nc_Make_Argument (const FIELDTYPE*,va_list*,int*); 116 extern NCURSES_EXPORT(TypeArgument *) _nc_Copy_Argument (const FIELDTYPE*,const TypeArgument*, int*); 117 extern NCURSES_EXPORT(void) _nc_Free_Argument (const FIELDTYPE*,TypeArgument*); 118 extern NCURSES_EXPORT(bool) _nc_Copy_Type (FIELD*, FIELD const *); 119 extern NCURSES_EXPORT(void) _nc_Free_Type (FIELD *); 120 121 extern NCURSES_EXPORT(int) _nc_Synchronize_Attributes (FIELD*); 122 extern NCURSES_EXPORT(int) _nc_Synchronize_Options (FIELD*,Field_Options); 123 extern NCURSES_EXPORT(int) _nc_Set_Form_Page (FORM*,int,FIELD*); 124 extern NCURSES_EXPORT(int) _nc_Refresh_Current_Field (FORM*); 125 extern NCURSES_EXPORT(FIELD *) _nc_First_Active_Field (FORM*); 126 extern NCURSES_EXPORT(bool) _nc_Internal_Validation (FORM*); 127 extern NCURSES_EXPORT(int) _nc_Set_Current_Field (FORM*,FIELD*); 128 extern NCURSES_EXPORT(int) _nc_Position_Form_Cursor (FORM*); 129