/****************************************************************************
- * Copyright (c) 1998-2017,2018 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2018,2019 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 *
#include "form.priv.h"
-MODULE_ID("$Id: frm_driver.c,v 1.126 2018/04/28 19:03:36 Leon.Winter Exp $")
+MODULE_ID("$Id: frm_driver.c,v 1.128 2019/01/20 01:25:02 tom Exp $")
/*----------------------------------------------------------------------------
This is the core module of the form library. It contains the majority
{
FIELD *field;
WINDOW *formwin;
- int row, col;
if (!form)
return (E_BAD_ARGUMENT);
field = form->current;
formwin = Get_Form_Window(form);
- col = Field_Has_Option(field, O_PUBLIC) ? form->curcol : form->begincol;
- row = Field_Has_Option(field, O_PUBLIC) ? form->currow : form->toprow;
-
- wmove(form->w, row, col);
+ wmove(form->w, form->currow, form->curcol);
if (Has_Invisible_Parts(field))
{
/* in this case fieldwin isn't derived from formwin, so we have
to move the cursor in formwin by hand... */
wmove(formwin,
- field->frow + row - form->toprow,
- field->fcol + col - form->begincol);
+ field->frow + form->currow - form->toprow,
+ field->fcol + form->curcol - form->begincol);
wcursyncup(formwin);
}
else
| E_BAD_ARGUMENT - invalid form pointer
| E_SYSTEM_ERROR - general error
+--------------------------------------------------------------------------*/
-static bool move_after_insert = true;
+static bool move_after_insert = TRUE;
NCURSES_EXPORT(int)
_nc_Refresh_Current_Field(FORM *form)
{
WINDOW *formwin;
FIELD *field;
+ bool is_public;
T((T_CALLED("_nc_Refresh_Current_Field(%p)"), (void *)form));
field = form->current;
formwin = Get_Form_Window(form);
- if (Field_Has_Option(field, O_PUBLIC))
+ is_public = Field_Has_Option(field, O_PUBLIC);
+
+ if (Is_Scroll_Field(field))
{
- if (Is_Scroll_Field(field))
+ /* Again, in this case the fieldwin isn't derived from formwin,
+ so we have to perform a copy operation. */
+ if (Single_Line_Field(field))
{
- /* Again, in this case the fieldwin isn't derived from formwin,
- so we have to perform a copy operation. */
- if (Single_Line_Field(field))
- {
- /* horizontal scrolling */
- if (form->curcol < form->begincol)
- form->begincol = form->curcol;
- else
- {
- if (form->curcol >= (form->begincol + field->cols))
- form->begincol = form->curcol - field->cols
- + (move_after_insert ? 1 : 0);
- }
- copywin(form->w,
- formwin,
- 0,
- form->begincol,
- field->frow,
- field->fcol,
- field->frow,
- field->cols + field->fcol - 1,
- 0);
- }
+ /* horizontal scrolling */
+ if (form->curcol < form->begincol)
+ form->begincol = form->curcol;
else
{
- /* A multi-line, i.e. vertical scrolling field */
- int row_after_bottom, first_modified_row, first_unmodified_row;
+ if (form->curcol >= (form->begincol + field->cols))
+ form->begincol = form->curcol - field->cols
+ + (move_after_insert ? 1 : 0);
+ }
+ if (is_public)
+ copywin(form->w,
+ formwin,
+ 0,
+ form->begincol,
+ field->frow,
+ field->fcol,
+ field->frow,
+ field->cols + field->fcol - 1,
+ 0);
+ }
+ else
+ {
+ /* A multi-line, i.e. vertical scrolling field */
+ int row_after_bottom, first_modified_row, first_unmodified_row;
- if (field->drows > field->rows)
+ if (field->drows > field->rows)
+ {
+ row_after_bottom = form->toprow + field->rows;
+ if (form->currow < form->toprow)
{
- row_after_bottom = form->toprow + field->rows;
- if (form->currow < form->toprow)
- {
- form->toprow = form->currow;
- SetStatus(field, _NEWTOP);
- }
- if (form->currow >= row_after_bottom)
- {
- form->toprow = form->currow - field->rows + 1;
- SetStatus(field, _NEWTOP);
- }
- if (field->status & _NEWTOP)
- {
- /* means we have to copy whole range */
- first_modified_row = form->toprow;
- first_unmodified_row = first_modified_row + field->rows;
- ClrStatus(field, _NEWTOP);
- }
- else
- {
- /* we try to optimize : finding the range of touched
- lines */
- first_modified_row = form->toprow;
- while (first_modified_row < row_after_bottom)
- {
- if (is_linetouched(form->w, first_modified_row))
- break;
- first_modified_row++;
- }
- first_unmodified_row = first_modified_row;
- while (first_unmodified_row < row_after_bottom)
- {
- if (!is_linetouched(form->w, first_unmodified_row))
- break;
- first_unmodified_row++;
- }
- }
+ form->toprow = form->currow;
+ SetStatus(field, _NEWTOP);
}
- else
+ if (form->currow >= row_after_bottom)
{
+ form->toprow = form->currow - field->rows + 1;
+ SetStatus(field, _NEWTOP);
+ }
+ if (field->status & _NEWTOP)
+ {
+ /* means we have to copy whole range */
first_modified_row = form->toprow;
first_unmodified_row = first_modified_row + field->rows;
+ ClrStatus(field, _NEWTOP);
+ }
+ else
+ {
+ /* we try to optimize : finding the range of touched
+ lines */
+ first_modified_row = form->toprow;
+ while (first_modified_row < row_after_bottom)
+ {
+ if (is_linetouched(form->w, first_modified_row))
+ break;
+ first_modified_row++;
+ }
+ first_unmodified_row = first_modified_row;
+ while (first_unmodified_row < row_after_bottom)
+ {
+ if (!is_linetouched(form->w, first_unmodified_row))
+ break;
+ first_unmodified_row++;
+ }
}
- if (first_unmodified_row != first_modified_row)
- copywin(form->w,
- formwin,
- first_modified_row,
- 0,
- field->frow + first_modified_row - form->toprow,
- field->fcol,
- field->frow + first_unmodified_row - form->toprow - 1,
- field->cols + field->fcol - 1,
- 0);
}
- wsyncup(formwin);
- }
- else
- {
- /* if the field-window is simply a derived window, i.e. contains no
- * invisible parts, the whole thing is trivial
- */
- wsyncup(form->w);
+ else
+ {
+ first_modified_row = form->toprow;
+ first_unmodified_row = first_modified_row + field->rows;
+ }
+ if (first_unmodified_row != first_modified_row && is_public)
+ copywin(form->w,
+ formwin,
+ first_modified_row,
+ 0,
+ field->frow + first_modified_row - form->toprow,
+ field->fcol,
+ field->frow + first_unmodified_row - form->toprow - 1,
+ field->cols + field->fcol - 1,
+ 0);
}
+ if (is_public)
+ wsyncup(formwin);
+ }
+ else
+ {
+ /* if the field-window is simply a derived window, i.e. contains no
+ * invisible parts, the whole thing is trivial
+ */
+ if (is_public)
+ wsyncup(form->w);
}
untouchwin(form->w);
returnCode(_nc_Position_Form_Cursor(form));
const Binding_Info *BI = (Binding_Info *) 0;
int res = E_UNKNOWN_COMMAND;
- move_after_insert = true;
+ move_after_insert = TRUE;
T((T_CALLED("form_driver(%p,%d)"), (void *)form, c));