diff options
Diffstat (limited to 'ncurses-5.2/form/frm_data.c')
| -rw-r--r-- | ncurses-5.2/form/frm_data.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/ncurses-5.2/form/frm_data.c b/ncurses-5.2/form/frm_data.c deleted file mode 100644 index a96b4f1..0000000 --- a/ncurses-5.2/form/frm_data.c +++ /dev/null @@ -1,181 +0,0 @@ -/**************************************************************************** - * Copyright (c) 1998 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 <juergen.pfeifer@gmx.net> 1995,1997 * - ****************************************************************************/ - -#include "form.priv.h" - -MODULE_ID("$Id$") - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : bool data_behind(const FORM *form) -| -| Description : Check for off-screen data behind. This is nearly trivial -| becose the begin of a field is fixed. -| -| Return Values : TRUE - there are off-screen data behind -| FALSE - there are no off-screen data behind -+--------------------------------------------------------------------------*/ -bool data_behind(const FORM *form) -{ - bool result = FALSE; - - if (form && (form->status & _POSTED) && form->current) - { - FIELD *field; - - field = form->current; - if (!Single_Line_Field(field)) - { - result = (form->toprow==0) ? FALSE : TRUE; - } - else - { - result = (form->begincol==0) ? FALSE : TRUE; - } - } - return(result); -} - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : static char * After_Last_Non_Pad_Position( -| char *buffer, -| int len, -| int pad) -| -| Description : Find the last position in the buffer that doesn't -| contain a padding character. -| -| Return Values : The pointer to this position -+--------------------------------------------------------------------------*/ -INLINE -static char * After_Last_Non_Pad_Position(char *buffer, int len, int pad) -{ - char *end = buffer + len; - - assert(buffer && len>=0); - while ( (buffer < end) && (*(end-1)==pad) ) - end--; - - return end; -} - -#define SMALL_BUFFER_SIZE (80) - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : bool data_ahead(const FORM *form) -| -| Description : Check for off-screen data ahead. This is more difficult -| because a dynamic field has a variable end. -| -| Return Values : TRUE - there are off-screen data ahead -| FALSE - there are no off-screen data ahead -+--------------------------------------------------------------------------*/ -bool data_ahead(const FORM *form) -{ - bool result = FALSE; - - if (form && (form->status & _POSTED) && form->current) - { - static char buffer[SMALL_BUFFER_SIZE + 1]; - FIELD *field; - bool large_buffer; - bool cursor_moved = FALSE; - char *bp; - char *found_content; - int pos; - - field = form->current; - assert(form->w); - - large_buffer = (field->cols > SMALL_BUFFER_SIZE); - if (large_buffer) - bp = (char *)malloc((size_t)(field->cols) + 1); - else - bp = buffer; - - assert(bp); - - if (Single_Line_Field(field)) - { - int check_len; - - pos = form->begincol + field->cols; - while (pos < field->dcols) - { - check_len = field->dcols - pos; - if ( check_len >= field->cols ) - check_len = field->cols; - cursor_moved = TRUE; - wmove(form->w,0,pos); - winnstr(form->w,bp,check_len); - found_content = - After_Last_Non_Pad_Position(bp,check_len,field->pad); - if (found_content==bp) - pos += field->cols; - else - { - result = TRUE; - break; - } - } - } - else - { - pos = form->toprow + field->rows; - while (pos < field->drows) - { - cursor_moved = TRUE; - wmove(form->w,pos,0); - pos++; - winnstr(form->w,bp,field->cols); - found_content = - After_Last_Non_Pad_Position(bp,field->cols,field->pad); - if (found_content!=bp) - { - result = TRUE; - break; - } - } - } - - if (large_buffer) - free(bp); - - if (cursor_moved) - wmove(form->w,form->currow,form->curcol); - } - return(result); -} - -/* frm_data.c ends here */ |