/****************************************************************************
- * Copyright (c) 1998-2012,2013 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 1.106 2013/08/25 00:02:15 tom 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
#define GROW_IF_NAVIGATE (1)
#if USE_WIDEC_SUPPORT
-#define myADDNSTR(w, s, n) wadd_wchnstr(w, s, n)
-#define myINSNSTR(w, s, n) wins_wchnstr(w, s, n)
-#define myINNSTR(w, s, n) fix_wchnstr(w, s, n)
+#define myADDNSTR(w, s, n) wide_waddnstr(w, s, n)
+#define myINSNSTR(w, s, n) wide_winsnstr(w, s, n)
+#define myINNSTR(w, s, n) wide_winnstr(w, s, n)
#define myWCWIDTH(w, y, x) cell_width(w, y, x)
#else
#define myADDNSTR(w, s, n) waddnstr(w, s, n)
instead of a derived window because it contains invisible parts.
This is true for non-public fields and for scrollable fields. */
#define Has_Invisible_Parts(field) \
- (!((unsigned)(field)->opts & O_PUBLIC) || \
+ (!(Field_Has_Option(field, O_PUBLIC)) || \
Is_Scroll_Field(field))
/* Logic to decide whether or not a field needs justification */
#define Justification_Allowed(field) \
(((field)->just != NO_JUSTIFICATION) && \
(Single_Line_Field(field)) && \
- (((field)->dcols == (field)->cols) && \
- ((unsigned)(field)->opts & O_STATIC)))
+ ((Field_Has_Option(field, O_STATIC) && \
+ ((field)->dcols == (field)->cols)) || \
+ Field_Has_Option(field, O_DYNAMIC_JUSTIFY)))
/* Logic to determine whether or not a dynamic field may still grow */
#define Growable(field) ((field)->status & _MAY_GROW)
#define Field_Really_Appears(field) \
((field->form) &&\
(field->form->status & _POSTED) &&\
- ((unsigned)field->opts & O_VISIBLE) &&\
+ (Field_Has_Option(field, O_VISIBLE)) &&\
(field->page == field->form->curpage))
/* Logic to determine whether or not we are on the first position in the
Wide-character special functions
--------------------------------------------------------------------------*/
#if USE_WIDEC_SUPPORT
-/* like winsnstr */
+/* add like waddnstr, but using cchar_t* rather than char*
+ */
+static int
+wide_waddnstr(WINDOW *w, const cchar_t *s, int n)
+{
+ int rc = OK;
+
+ while (n-- > 0)
+ {
+ if ((rc = wadd_wch(w, s)) != OK)
+ break;
+ ++s;
+ }
+ return rc;
+}
+
+/* insert like winsnstr, but using cchar_t* rather than char*
+ *
+ * X/Open Curses has no close equivalent; inserts are done only with wchar_t
+ * strings.
+ */
static int
-wins_wchnstr(WINDOW *w, cchar_t *s, int n)
+wide_winsnstr(WINDOW *w, const cchar_t *s, int n)
{
int code = ERR;
int y, x;
return code;
}
-/* win_wchnstr is inconsistent with winnstr, since it returns OK rather than
- * the number of items transferred.
+/* retrieve like winnstr, but using cchar_t*, rather than char*.
+ *
+ * X/Open Curses' closest equivalent, win_wchnstr(), is inconsistent with
+ * winnstr(), since it returns OK rather than the number of items transferred.
*/
static int
-fix_wchnstr(WINDOW *w, cchar_t *s, int n)
+wide_winnstr(WINDOW *w, cchar_t *s, int n)
{
int x;
| E_BAD_ARGUMENT - invalid form pointer
| E_SYSTEM_ERROR - general error
+--------------------------------------------------------------------------*/
+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 ((unsigned)field->opts & 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 + 1;
- }
- 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));
int len;
int col = 0;
- bp = Get_Start_Of_Data(field->buf, Buffer_Length(field));
+ bp = (Field_Has_Option(field, O_NO_LEFT_STRIP)
+ ? field->buf
+ : Get_Start_Of_Data(field->buf, Buffer_Length(field)));
len = (int)(After_End_Of_Data(field->buf, Buffer_Length(field)) - bp);
if (len > 0)
{
- assert(win && (field->drows == 1) && (field->dcols == field->cols));
+ assert(win && (field->drows == 1));
- switch (field->just)
- {
- case JUSTIFY_LEFT:
- break;
- case JUSTIFY_CENTER:
- col = (field->cols - len) / 2;
- break;
- case JUSTIFY_RIGHT:
- col = field->cols - len;
- break;
- default:
- break;
- }
+ if (field->cols - len >= 0)
+ switch (field->just)
+ {
+ case JUSTIFY_LEFT:
+ break;
+ case JUSTIFY_CENTER:
+ col = (field->cols - len) / 2;
+ break;
+ case JUSTIFY_RIGHT:
+ col = field->cols - len;
+ break;
+ default:
+ break;
+ }
wmove(win, 0, col);
myADDNSTR(win, bp, len);
Undo_Justification(FIELD *field, WINDOW *win)
{
FIELD_CELL *bp;
+ int y, x;
int len;
- bp = Get_Start_Of_Data(field->buf, Buffer_Length(field));
+ getyx(win, y, x);
+
+ bp = (Field_Has_Option(field, O_NO_LEFT_STRIP)
+ ? field->buf
+ : Get_Start_Of_Data(field->buf, Buffer_Length(field)));
len = (int)(After_End_Of_Data(field->buf, Buffer_Length(field)) - bp);
if (len > 0)
wmove(win, 0, 0);
myADDNSTR(win, bp, len);
}
+ wmove(win, y, x);
}
/*---------------------------------------------------------------------------
return E_SYSTEM_ERROR;
else
{
- if ((unsigned)field->opts & O_VISIBLE)
+ if (Field_Has_Option(field, O_VISIBLE))
{
Set_Field_Window_Attributes(field, win);
}
if (!bEraseFlag)
{
- if ((unsigned)field->opts & O_PUBLIC)
+ if (Field_Has_Option(field, O_PUBLIC))
{
if (Justification_Allowed(field))
Perform_Justification(field, win);
form->currow = form->curcol = form->toprow = form->begincol = 0;
werase(form->w);
- if (((unsigned)field->opts & O_PUBLIC) && Justification_Allowed(field))
+ if ((Field_Has_Option(field, O_PUBLIC)) && Justification_Allowed(field))
Undo_Justification(field, form->w);
else
Buffer_To_Window(field, form->w);
werase(form->w);
wmove(form->w, form->currow, form->curcol);
- if ((unsigned)field->opts & O_PUBLIC)
+ if (Field_Has_Option(field, O_PUBLIC))
{
if (Justification_Allowed(field))
Undo_Justification(field, form->w);
copywin(form->w, formwin,
0, 0,
field->frow, field->fcol,
- field->rows - 1, field->cols - 1, 0);
+ field->frow + field->rows - 1,
+ field->fcol + field->cols - 1, 0);
wsyncup(formwin);
Buffer_To_Window(field, form->w);
SetStatus(field, _NEWTOP); /* fake refresh to paint all */
returnCode(res);
}
+/*
+ * Removes the focus from the current field of the form.
+ */
+void
+_nc_Unset_Current_Field(FORM *form)
+{
+ FIELD *field = form->current;
+
+ _nc_Refresh_Current_Field(form);
+ if (Field_Has_Option(field, O_PUBLIC))
+ {
+ if (field->drows > field->rows)
+ {
+ if (form->toprow == 0)
+ ClrStatus(field, _NEWTOP);
+ else
+ SetStatus(field, _NEWTOP);
+ }
+ else
+ {
+ if (Justification_Allowed(field))
+ {
+ Window_To_Buffer(form, field);
+ werase(form->w);
+ Perform_Justification(field, form->w);
+ if (Field_Has_Option(field, O_DYNAMIC_JUSTIFY) &&
+ (form->w->_parent == 0))
+ {
+ copywin(form->w,
+ Get_Form_Window(form),
+ 0,
+ 0,
+ field->frow,
+ field->fcol,
+ field->frow,
+ field->cols + field->fcol - 1,
+ 0);
+ wsyncup(Get_Form_Window(form));
+ }
+ else
+ {
+ wsyncup(form->w);
+ }
+ }
+ }
+ }
+ delwin(form->w);
+ form->w = (WINDOW *)0;
+ form->current = 0;
+}
+
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : int _nc_Set_Current_Field(FORM * form,
T((T_CALLED("_nc_Set_Current_Field(%p,%p)"), (void *)form, (void *)newfield));
- if (!form || !newfield || !form->current || (newfield->form != form))
+ if (!form || !newfield || (newfield->form != form))
returnCode(E_BAD_ARGUMENT);
if ((form->status & _IN_DRIVER))
if ((field != newfield) ||
!(form->status & _POSTED))
{
- if ((form->w) &&
- ((unsigned)field->opts & O_VISIBLE) &&
+ if (field && (form->w) &&
+ (Field_Has_Option(field, O_VISIBLE)) &&
(field->form->curpage == field->page))
- {
- _nc_Refresh_Current_Field(form);
- if ((unsigned)field->opts & O_PUBLIC)
- {
- if (field->drows > field->rows)
- {
- if (form->toprow == 0)
- ClrStatus(field, _NEWTOP);
- else
- SetStatus(field, _NEWTOP);
- }
- else
- {
- if (Justification_Allowed(field))
- {
- Window_To_Buffer(form, field);
- werase(form->w);
- Perform_Justification(field, form->w);
- wsyncup(form->w);
- }
- }
- }
- delwin(form->w);
- form->w = (WINDOW *)0;
- }
+ _nc_Unset_Current_Field(form);
field = newfield;
{
res = fct(form);
if (res == E_OK)
- SetStatus(form, _NEWTOP);
+ SetStatus(form->current, _NEWTOP);
}
return (res);
}
int result = E_REQUEST_DENIED;
bool Last_Row = ((field->drows - 1) == form->currow);
- if (((unsigned)field->opts & O_WRAP) && /* wrapping wanted */
+ if ((Field_Has_Option(field, O_WRAP)) && /* wrapping wanted */
(!Single_Line_Field(field)) && /* must be multi-line */
(There_Is_No_Room_For_A_Char_In_Line(form)) && /* line is full */
(!Last_Row || Growable(field))) /* there are more lines */
{
if (typ)
{
- if ((unsigned)field->opts & O_NULLOK)
+ if (Field_Has_Option(field, O_NULLOK))
{
FIELD_CELL *bp = field->buf;
Synchronize_Buffer(form);
if ((form->status & _FCHECK_REQUIRED) ||
- (!((unsigned)field->opts & O_PASSOK)))
+ (!(Field_Has_Option(field, O_PASSOK))))
{
if (!Check_Field(form, field->type, field, (TypeArgument *)(field->arg)))
return FALSE;
do
{
field = (field == last_on_page) ? first : field + 1;
- if (((unsigned)(*field)->opts & O_VISIBLE))
+ if (Field_Has_Option(*field, O_VISIBLE))
break;
}
while (proposed != (*field));
Helper routines for the core form driver.
--------------------------------------------------------------------------*/
+# if USE_WIDEC_SUPPORT
+/*---------------------------------------------------------------------------
+| Facility : libnform
+| Function : static int Data_Entry_w(FORM * form, wchar_t c)
+|
+| Description : Enter the wide character c into at the current
+| position of the current field of the form.
+|
+| Return Values : E_OK - success
+| E_REQUEST_DENIED - driver could not process the request
+| E_SYSTEM_ERROR -
++--------------------------------------------------------------------------*/
+static int
+Data_Entry_w(FORM *form, wchar_t c)
+{
+ FIELD *field = form->current;
+ int result = E_REQUEST_DENIED;
+
+ T((T_CALLED("Data_Entry(%p,%s)"), (void *)form, _tracechtype((chtype)c)));
+ if ((Field_Has_Option(field, O_EDIT))
+#if FIX_FORM_INACTIVE_BUG
+ && (Field_Has_Option(field, O_ACTIVE))
+#endif
+ )
+ {
+ wchar_t given[2];
+ cchar_t temp_ch;
+
+ given[0] = c;
+ given[1] = 0;
+ setcchar(&temp_ch, given, 0, 0, (void *)0);
+ if ((Field_Has_Option(field, O_BLANK)) &&
+ First_Position_In_Current_Field(form) &&
+ !(form->status & _FCHECK_REQUIRED) &&
+ !(form->status & _WINDOW_MODIFIED))
+ werase(form->w);
+
+ if (form->status & _OVLMODE)
+ {
+ wadd_wch(form->w, &temp_ch);
+ }
+ else
+ /* no _OVLMODE */
+ {
+ bool There_Is_Room = Is_There_Room_For_A_Char_In_Line(form);
+
+ if (!(There_Is_Room ||
+ ((Single_Line_Field(field) && Growable(field)))))
+ RETURN(E_REQUEST_DENIED);
+
+ if (!There_Is_Room && !Field_Grown(field, 1))
+ RETURN(E_SYSTEM_ERROR);
+
+ wins_wch(form->w, &temp_ch);
+ }
+
+ if ((result = Wrapping_Not_Necessary_Or_Wrapping_Ok(form)) == E_OK)
+ {
+ bool End_Of_Field = (((field->drows - 1) == form->currow) &&
+ ((field->dcols - 1) == form->curcol));
+
+ form->status |= _WINDOW_MODIFIED;
+ if (End_Of_Field && !Growable(field) && (Field_Has_Option(field, O_AUTOSKIP)))
+ result = Inter_Field_Navigation(FN_Next_Field, form);
+ else
+ {
+ if (End_Of_Field && Growable(field) && !Field_Grown(field, 1))
+ result = E_SYSTEM_ERROR;
+ else
+ {
+ /*
+ * We have just added a byte to the form field. It may have
+ * been part of a multibyte character. If it was, the
+ * addch_used field is nonzero and we should not try to move
+ * to a new column.
+ */
+ if (WINDOW_EXT(form->w, addch_used) == 0)
+ IFN_Next_Character(form);
+
+ result = E_OK;
+ }
+ }
+ }
+ }
+ RETURN(result);
+}
+# endif
+
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : static int Data_Entry(FORM * form,int c)
int result = E_REQUEST_DENIED;
T((T_CALLED("Data_Entry(%p,%s)"), (void *)form, _tracechtype((chtype)c)));
- if (((unsigned)field->opts & O_EDIT)
+ if ((Field_Has_Option(field, O_EDIT))
#if FIX_FORM_INACTIVE_BUG
- && ((unsigned)field->opts & O_ACTIVE)
+ && (Field_Has_Option(field, O_ACTIVE))
#endif
)
{
- if (((unsigned)field->opts & O_BLANK) &&
+ if ((Field_Has_Option(field, O_BLANK)) &&
First_Position_In_Current_Field(form) &&
!(form->status & _FCHECK_REQUIRED) &&
!(form->status & _WINDOW_MODIFIED))
bool End_Of_Field = (((field->drows - 1) == form->currow) &&
((field->dcols - 1) == form->curcol));
+ if (Field_Has_Option(field, O_EDGE_INSERT_STAY))
+ move_after_insert = !!(form->curcol
+ - form->begincol
+ - field->cols
+ + 1);
+
SetStatus(form, _WINDOW_MODIFIED);
- if (End_Of_Field && !Growable(field) && ((unsigned)field->opts & O_AUTOSKIP))
+ if (End_Of_Field && !Growable(field) && (Field_Has_Option(field, O_AUTOSKIP)))
result = Inter_Field_Navigation(FN_Next_Field, form);
else
{
const Binding_Info *BI = (Binding_Info *) 0;
int res = E_UNKNOWN_COMMAND;
+ move_after_insert = TRUE;
+
T((T_CALLED("form_driver(%p,%d)"), (void *)form, c));
if (!form)
RETURN(E_BAD_ARGUMENT);
- if (!(form->field))
+ if (!(form->field) || !(form->current))
RETURN(E_NOT_CONNECTED);
assert(form->page);
RETURN(res);
}
+# if USE_WIDEC_SUPPORT
+/*---------------------------------------------------------------------------
+| Facility : libnform
+| Function : int form_driver_w(FORM * form,int type,wchar_t c)
+|
+| Description : This is the workhorse of the forms system.
+|
+| Input is either a key code (request) or a wide char
+| returned by e.g. get_wch (). The type must be passed
+| as well,so that we are able to determine whether the char
+| is a multibyte char or a request.
+
+| If it is a request, the form driver executes
+| the request and returns the result. If it is data
+| (printable character), it enters the data into the
+| current position in the current field. If it is not
+| recognized, the form driver assumes it is an application
+| defined command and returns E_UNKNOWN_COMMAND.
+| Application defined command should be defined relative
+| to MAX_FORM_COMMAND, the maximum value of a request.
+|
+| Return Values : E_OK - success
+| E_SYSTEM_ERROR - system error
+| E_BAD_ARGUMENT - an argument is incorrect
+| E_NOT_POSTED - form is not posted
+| E_INVALID_FIELD - field contents are invalid
+| E_BAD_STATE - called from inside a hook routine
+| E_REQUEST_DENIED - request failed
+| E_NOT_CONNECTED - no fields are connected to the form
+| E_UNKNOWN_COMMAND - command not known
++--------------------------------------------------------------------------*/
+NCURSES_EXPORT(int)
+form_driver_w(FORM *form, int type, wchar_t c)
+{
+ const Binding_Info *BI = (Binding_Info *) 0;
+ int res = E_UNKNOWN_COMMAND;
+
+ T((T_CALLED("form_driver(%p,%d)"), (void *)form, (int)c));
+
+ if (!form)
+ RETURN(E_BAD_ARGUMENT);
+
+ if (!(form->field))
+ RETURN(E_NOT_CONNECTED);
+
+ assert(form->page);
+
+ if (c == (wchar_t)FIRST_ACTIVE_MAGIC)
+ {
+ form->current = _nc_First_Active_Field(form);
+ RETURN(E_OK);
+ }
+
+ assert(form->current &&
+ form->current->buf &&
+ (form->current->form == form)
+ );
+
+ if (form->status & _IN_DRIVER)
+ RETURN(E_BAD_STATE);
+
+ if (!(form->status & _POSTED))
+ RETURN(E_NOT_POSTED);
+
+ /* check if this is a keycode or a (wide) char */
+ if (type == KEY_CODE_YES)
+ {
+ if ((c >= MIN_FORM_COMMAND && c <= MAX_FORM_COMMAND) &&
+ ((bindings[c - MIN_FORM_COMMAND].keycode & Key_Mask) == c))
+ BI = &(bindings[c - MIN_FORM_COMMAND]);
+ }
+
+ if (BI)
+ {
+ typedef int (*Generic_Method) (int (*const) (FORM *), FORM *);
+ static const Generic_Method Generic_Methods[] =
+ {
+ Page_Navigation, /* overloaded to call field&form hooks */
+ Inter_Field_Navigation, /* overloaded to call field hooks */
+ NULL, /* Intra-Field is generic */
+ Vertical_Scrolling, /* Overloaded to check multi-line */
+ Horizontal_Scrolling, /* Overloaded to check single-line */
+ Field_Editing, /* Overloaded to mark modification */
+ NULL, /* Edit Mode is generic */
+ NULL, /* Field Validation is generic */
+ NULL /* Choice Request is generic */
+ };
+ size_t nMethods = (sizeof(Generic_Methods) / sizeof(Generic_Methods[0]));
+ size_t method = (size_t) (BI->keycode >> ID_Shft) & 0xffff; /* see ID_Mask */
+
+ if ((method >= nMethods) || !(BI->cmd))
+ res = E_SYSTEM_ERROR;
+ else
+ {
+ Generic_Method fct = Generic_Methods[method];
+
+ if (fct)
+ res = fct(BI->cmd, form);
+ else
+ res = (BI->cmd) (form);
+ }
+ }
+#ifdef NCURSES_MOUSE_VERSION
+ else if (KEY_MOUSE == c)
+ {
+ MEVENT event;
+ WINDOW *win = form->win ? form->win : StdScreen(Get_Form_Screen(form));
+ WINDOW *sub = form->sub ? form->sub : win;
+
+ getmouse(&event);
+ if ((event.bstate & (BUTTON1_CLICKED |
+ BUTTON1_DOUBLE_CLICKED |
+ BUTTON1_TRIPLE_CLICKED))
+ && wenclose(win, event.y, event.x))
+ { /* we react only if the click was in the userwin, that means
+ * inside the form display area or at the decoration window.
+ */
+ int ry = event.y, rx = event.x; /* screen coordinates */
+
+ res = E_REQUEST_DENIED;
+ if (mouse_trafo(&ry, &rx, FALSE))
+ { /* rx, ry are now "curses" coordinates */
+ if (ry < sub->_begy)
+ { /* we clicked above the display region; this is
+ * interpreted as "scroll up" request
+ */
+ if (event.bstate & BUTTON1_CLICKED)
+ res = form_driver(form, REQ_PREV_FIELD);
+ else if (event.bstate & BUTTON1_DOUBLE_CLICKED)
+ res = form_driver(form, REQ_PREV_PAGE);
+ else if (event.bstate & BUTTON1_TRIPLE_CLICKED)
+ res = form_driver(form, REQ_FIRST_FIELD);
+ }
+ else if (ry > sub->_begy + sub->_maxy)
+ { /* we clicked below the display region; this is
+ * interpreted as "scroll down" request
+ */
+ if (event.bstate & BUTTON1_CLICKED)
+ res = form_driver(form, REQ_NEXT_FIELD);
+ else if (event.bstate & BUTTON1_DOUBLE_CLICKED)
+ res = form_driver(form, REQ_NEXT_PAGE);
+ else if (event.bstate & BUTTON1_TRIPLE_CLICKED)
+ res = form_driver(form, REQ_LAST_FIELD);
+ }
+ else if (wenclose(sub, event.y, event.x))
+ { /* Inside the area we try to find the hit item */
+ int i;
+
+ ry = event.y;
+ rx = event.x;
+ if (wmouse_trafo(sub, &ry, &rx, FALSE))
+ {
+ int min_field = form->page[form->curpage].pmin;
+ int max_field = form->page[form->curpage].pmax;
+
+ for (i = min_field; i <= max_field; ++i)
+ {
+ FIELD *field = form->field[i];
+
+ if (Field_Is_Selectable(field)
+ && Field_encloses(field, ry, rx) == E_OK)
+ {
+ res = _nc_Set_Current_Field(form, field);
+ if (res == E_OK)
+ res = _nc_Position_Form_Cursor(form);
+ if (res == E_OK
+ && (event.bstate & BUTTON1_DOUBLE_CLICKED))
+ res = E_UNKNOWN_COMMAND;
+ break;
+ }
+ }
+ }
+ }
+ }
+ }
+ else
+ res = E_REQUEST_DENIED;
+ }
+#endif /* NCURSES_MOUSE_VERSION */
+ else if (type == OK)
+ {
+ res = Data_Entry_w(form, c);
+ }
+
+ _nc_Refresh_Current_Field(form);
+ RETURN(res);
+}
+# endif /* USE_WIDEC_SUPPORT */
+
/*----------------------------------------------------------------------------
Field-Buffer manipulation routines.
The effects of setting a buffer are tightly coupled to the core of the form
{
if (pass)
{
- result[need] = source[passed];
+ result[need] = (wchar_t)source[passed];
}
++need;
++passed;
projects / ncurses.git / blobdiff