diff options
Diffstat (limited to 'form/frm_driver.c')
| -rw-r--r-- | form/frm_driver.c | 500 |
1 files changed, 402 insertions, 98 deletions
diff --git a/form/frm_driver.c b/form/frm_driver.c index e0892bf..eebde42 100644 --- a/form/frm_driver.c +++ b/form/frm_driver.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc. * + * Copyright (c) 1998-2013,2014 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 * @@ -32,7 +32,7 @@ #include "form.priv.h" -MODULE_ID("$Id: frm_driver.c,v 1.98 2010/05/01 21:11:43 tom Exp $") +MODULE_ID("$Id: frm_driver.c,v 1.115 2014/09/25 21:55:24 tom Exp $") /*---------------------------------------------------------------------------- This is the core module of the form library. It contains the majority @@ -172,29 +172,30 @@ static int FE_Delete_Previous(FORM *); 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) \ - (!((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) && \ - ((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) /* Macro to set the attributes for a fields window */ #define Set_Field_Window_Attributes(field,win) \ -( wbkgdset((win),(chtype)((field)->pad | (field)->back)), \ - (void) wattrset((win),(field)->fore) ) +( wbkgdset((win),(chtype)((chtype)((field)->pad) | (field)->back)), \ + (void) wattrset((win), (int)(field)->fore) ) /* Logic to decide whether or not a field really appears on the form */ #define Field_Really_Appears(field) \ ((field->form) &&\ (field->form->status & _POSTED) &&\ - (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 @@ -601,8 +602,8 @@ Synchronize_Buffer(FORM *form) { if (form->status & _WINDOW_MODIFIED) { - form->status &= ~_WINDOW_MODIFIED; - form->status |= _FCHECK_REQUIRED; + ClrStatus(form, _WINDOW_MODIFIED); + SetStatus(form, _FCHECK_REQUIRED); Window_To_Buffer(form, form->current); wmove(form->w, form->currow, form->curcol); } @@ -653,7 +654,7 @@ Field_Grown(FIELD *field, int amount) growth = Minimum(field->maxgrow - field->dcols, growth); field->dcols += growth; if (field->dcols == field->maxgrow) - field->status &= ~_MAY_GROW; + ClrStatus(field, _MAY_GROW); } else { @@ -662,7 +663,7 @@ Field_Grown(FIELD *field, int amount) growth = Minimum(field->maxgrow - field->drows, growth); field->drows += growth; if (field->drows == field->maxgrow) - field->status &= ~_MAY_GROW; + ClrStatus(field, _MAY_GROW); } /* drows, dcols changed, so we get really the new buffer length */ new_buflen = Buffer_Length(field); @@ -674,7 +675,7 @@ Field_Grown(FIELD *field, int amount) field->drows = old_drows; if ((single_line_field && (field->dcols != field->maxgrow)) || (!single_line_field && (field->drows != field->maxgrow))) - field->status |= _MAY_GROW; + SetStatus(field, _MAY_GROW); } else { @@ -753,7 +754,7 @@ Field_Grown(FIELD *field, int amount) (field->dcols != field->maxgrow)) || (!single_line_field && (field->drows != field->maxgrow))) - field->status |= _MAY_GROW; + SetStatus(field, _MAY_GROW); free(newbuf); } } @@ -860,7 +861,7 @@ _nc_Refresh_Current_Field(FORM *form) field = form->current; formwin = Get_Form_Window(form); - if (field->opts & O_PUBLIC) + if (Field_Has_Option(field, O_PUBLIC)) { if (Is_Scroll_Field(field)) { @@ -897,19 +898,19 @@ _nc_Refresh_Current_Field(FORM *form) if (form->currow < form->toprow) { form->toprow = form->currow; - field->status |= _NEWTOP; + SetStatus(field, _NEWTOP); } if (form->currow >= row_after_bottom) { form->toprow = form->currow - field->rows + 1; - field->status |= _NEWTOP; + 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; - field->status &= ~_NEWTOP; + ClrStatus(field, _NEWTOP); } else { @@ -983,21 +984,22 @@ Perform_Justification(FIELD *field, WINDOW *win) 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); @@ -1111,27 +1113,27 @@ Display_Or_Erase_Field(FIELD *field, bool bEraseFlag) return E_SYSTEM_ERROR; else { - if (field->opts & O_VISIBLE) + if (Field_Has_Option(field, O_VISIBLE)) { Set_Field_Window_Attributes(field, win); } else { - (void)wattrset(win, WINDOW_ATTRS(fwin)); + (void)wattrset(win, (int)WINDOW_ATTRS(fwin)); } werase(win); } if (!bEraseFlag) { - if (field->opts & O_PUBLIC) + if (Field_Has_Option(field, O_PUBLIC)) { if (Justification_Allowed(field)) Perform_Justification(field, win); else Buffer_To_Window(field, win); } - field->status &= ~_NEWTOP; + ClrStatus(field, _NEWTOP); } wsyncup(win); delwin(win); @@ -1170,18 +1172,18 @@ Synchronize_Field(FIELD *field) form->currow = form->curcol = form->toprow = form->begincol = 0; werase(form->w); - if ((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); - field->status |= _NEWTOP; + SetStatus(field, _NEWTOP); res = _nc_Refresh_Current_Field(form); } else res = Display_Field(field); } - field->status |= _CHANGED; + SetStatus(field, _CHANGED); return (res); } @@ -1211,7 +1213,7 @@ Synchronize_Linked_Fields(FIELD *field) return (E_SYSTEM_ERROR); for (linked_field = field->link; - linked_field != field; + (linked_field != field) && (linked_field != 0); linked_field = linked_field->link) { if (((syncres = Synchronize_Field(linked_field)) != E_OK) && @@ -1256,7 +1258,7 @@ _nc_Synchronize_Attributes(FIELD *field) werase(form->w); wmove(form->w, form->currow, form->curcol); - if (field->opts & O_PUBLIC) + if (Field_Has_Option(field, O_PUBLIC)) { if (Justification_Allowed(field)) Undo_Justification(field, form->w); @@ -1272,7 +1274,7 @@ _nc_Synchronize_Attributes(FIELD *field) field->rows - 1, field->cols - 1, 0); wsyncup(formwin); Buffer_To_Window(field, form->w); - field->status |= _NEWTOP; /* fake refresh to paint all */ + SetStatus(field, _NEWTOP); /* fake refresh to paint all */ _nc_Refresh_Current_Field(form); } } @@ -1326,34 +1328,34 @@ _nc_Synchronize_Options(FIELD *field, Field_Options newopts) field->opts = oldopts; returnCode(E_CURRENT); } - if ((form->curpage == field->page)) + if (form->curpage == field->page) { - if (changed_opts & O_VISIBLE) + if ((unsigned)changed_opts & O_VISIBLE) { - if (newopts & O_VISIBLE) + if ((unsigned)newopts & O_VISIBLE) res = Display_Field(field); else res = Erase_Field(field); } else { - if ((changed_opts & O_PUBLIC) && - (newopts & O_VISIBLE)) + if (((unsigned)changed_opts & O_PUBLIC) && + ((unsigned)newopts & O_VISIBLE)) res = Display_Field(field); } } } } - if (changed_opts & O_STATIC) + if ((unsigned)changed_opts & O_STATIC) { bool single_line_field = Single_Line_Field(field); int res2 = E_OK; - if (newopts & O_STATIC) + if ((unsigned)newopts & O_STATIC) { /* the field becomes now static */ - field->status &= ~_MAY_GROW; + ClrStatus(field, _MAY_GROW); /* if actually we have no hidden columns, justification may occur again */ if (single_line_field && @@ -1371,7 +1373,7 @@ _nc_Synchronize_Options(FIELD *field, Field_Options newopts) (single_line_field && (field->dcols < field->maxgrow)) || (!single_line_field && (field->drows < field->maxgrow))) { - field->status |= _MAY_GROW; + SetStatus(field, _MAY_GROW); /* a field with justification now changes its behavior, so we must redisplay it */ if (single_line_field && @@ -1424,18 +1426,18 @@ _nc_Set_Current_Field(FORM *form, FIELD *newfield) !(form->status & _POSTED)) { if ((form->w) && - (field->opts & O_VISIBLE) && + (Field_Has_Option(field, O_VISIBLE)) && (field->form->curpage == field->page)) { _nc_Refresh_Current_Field(form); - if (field->opts & O_PUBLIC) + if (Field_Has_Option(field, O_PUBLIC)) { if (field->drows > field->rows) { if (form->toprow == 0) - field->status &= ~_NEWTOP; + ClrStatus(field, _NEWTOP); else - field->status |= _NEWTOP; + SetStatus(field, _NEWTOP); } else { @@ -1444,7 +1446,24 @@ _nc_Set_Current_Field(FORM *form, FIELD *newfield) Window_To_Buffer(form, field); werase(form->w); Perform_Justification(field, form->w); - wsyncup(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); + } } } } @@ -1469,7 +1488,7 @@ _nc_Set_Current_Field(FORM *form, FIELD *newfield) delwin(form->w); form->w = new_window; - form->status &= ~_WINDOW_MODIFIED; + ClrStatus(form, _WINDOW_MODIFIED); Set_Field_Window_Attributes(field, form->w); if (Has_Invisible_Parts(field)) @@ -1998,7 +2017,7 @@ Vertical_Scrolling(int (*const fct) (FORM *), FORM *form) { res = fct(form); if (res == E_OK) - form->current->status |= _NEWTOP; + SetStatus(form->current, _NEWTOP); } return (res); } @@ -2430,7 +2449,7 @@ Wrapping_Not_Necessary_Or_Wrapping_Ok(FORM *form) int result = E_REQUEST_DENIED; bool Last_Row = ((field->drows - 1) == form->currow); - if ((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 */ @@ -2513,7 +2532,7 @@ Field_Editing(int (*const fct) (FORM *), FORM *form) editable fields. */ if ((fct == FE_Delete_Previous) && - (form->opts & O_BS_OVERLOAD) && + ((unsigned)form->opts & O_BS_OVERLOAD) && First_Position_In_Current_Field(form)) { res = Inter_Field_Navigation(FN_Previous_Field, form); @@ -2522,7 +2541,7 @@ Field_Editing(int (*const fct) (FORM *), FORM *form) { if (fct == FE_New_Line) { - if ((form->opts & O_NL_OVERLOAD) && + if (((unsigned)form->opts & O_NL_OVERLOAD) && First_Position_In_Current_Field(form)) { res = Inter_Field_Navigation(FN_Next_Field, form); @@ -2534,11 +2553,11 @@ Field_Editing(int (*const fct) (FORM *), FORM *form) else { /* From now on, everything must be editable */ - if (form->current->opts & O_EDIT) + if ((unsigned)form->current->opts & O_EDIT) { res = fct(form); if (res == E_OK) - form->status |= _WINDOW_MODIFIED; + SetStatus(form, _WINDOW_MODIFIED); } } } @@ -2571,7 +2590,7 @@ FE_New_Line(FORM *form) if (Last_Row && (!(Growable(field) && !Single_Line_Field(field)))) { - if (!(form->opts & O_NL_OVERLOAD)) + if (!((unsigned)form->opts & O_NL_OVERLOAD)) returnCode(E_REQUEST_DENIED); wmove(form->w, form->currow, form->curcol); wclrtoeol(form->w); @@ -2579,7 +2598,7 @@ FE_New_Line(FORM *form) handled in the generic routine. The reason is, that FN_Next_Field may fail, but the form is definitively changed */ - form->status |= _WINDOW_MODIFIED; + SetStatus(form, _WINDOW_MODIFIED); returnCode(Inter_Field_Navigation(FN_Next_Field, form)); } else @@ -2595,7 +2614,7 @@ FE_New_Line(FORM *form) wclrtoeol(form->w); form->currow++; form->curcol = 0; - form->status |= _WINDOW_MODIFIED; + SetStatus(form, _WINDOW_MODIFIED); returnCode(E_OK); } } @@ -2605,7 +2624,7 @@ FE_New_Line(FORM *form) if (Last_Row && !(Growable(field) && !Single_Line_Field(field))) { - if (!(form->opts & O_NL_OVERLOAD)) + if (!((unsigned)form->opts & O_NL_OVERLOAD)) returnCode(E_REQUEST_DENIED); returnCode(Inter_Field_Navigation(FN_Next_Field, form)); } @@ -2627,7 +2646,7 @@ FE_New_Line(FORM *form) wmove(form->w, form->currow, form->curcol); winsertln(form->w); myADDNSTR(form->w, bp, (int)(t - bp)); - form->status |= _WINDOW_MODIFIED; + SetStatus(form, _WINDOW_MODIFIED); returnCode(E_OK); } } @@ -2926,7 +2945,7 @@ static int EM_Overlay_Mode(FORM *form) { T((T_CALLED("EM_Overlay_Mode(%p)"), (void *)form)); - form->status |= _OVLMODE; + SetStatus(form, _OVLMODE); returnCode(E_OK); } @@ -2942,7 +2961,7 @@ static int EM_Insert_Mode(FORM *form) { T((T_CALLED("EM_Insert_Mode(%p)"), (void *)form)); - form->status &= ~_OVLMODE; + ClrStatus(form, _OVLMODE); returnCode(E_OK); } @@ -3111,7 +3130,7 @@ Check_Field(FORM *form, FIELDTYPE *typ, FIELD *field, TypeArgument *argp) { if (typ) { - if (field->opts & O_NULLOK) + if (Field_Has_Option(field, O_NULLOK)) { FIELD_CELL *bp = field->buf; @@ -3168,12 +3187,12 @@ _nc_Internal_Validation(FORM *form) Synchronize_Buffer(form); if ((form->status & _FCHECK_REQUIRED) || - (!(field->opts & O_PASSOK))) + (!(Field_Has_Option(field, O_PASSOK)))) { if (!Check_Field(form, field->type, field, (TypeArgument *)(field->arg))) return FALSE; - form->status &= ~_FCHECK_REQUIRED; - field->status |= _CHANGED; + ClrStatus(form, _FCHECK_REQUIRED); + SetStatus(field, _CHANGED); Synchronize_Linked_Fields(field); } return TRUE; @@ -3273,14 +3292,15 @@ _nc_First_Active_Field(FORM *form) do { field = (field == last_on_page) ? first : field + 1; - if (((*field)->opts & O_VISIBLE)) + if (Field_Has_Option(*field, O_VISIBLE)) break; } while (proposed != (*field)); proposed = *field; - if ((proposed == *last_on_page) && !(proposed->opts & O_VISIBLE)) + if ((proposed == *last_on_page) && + !((unsigned)proposed->opts & O_VISIBLE)) { /* This means, there is also no visible field on the page. So we propose the first one and hope the very best... @@ -3816,11 +3836,11 @@ _nc_Set_Form_Page(FORM *form, int page, FIELD *field) FIELD *last_field, *field_on_page; werase(Get_Form_Window(form)); - form->curpage = page; + form->curpage = (short)page; last_field = field_on_page = form->field[form->page[page].smin]; do { - if (field_on_page->opts & O_VISIBLE) + if ((unsigned)field_on_page->opts & O_VISIBLE) if ((res = Display_Field(field_on_page)) != E_OK) return (res); field_on_page = field_on_page->snext; @@ -3981,6 +4001,94 @@ PN_Last_Page(FORM *form) 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] = 1; + 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) @@ -3999,13 +4107,13 @@ Data_Entry(FORM *form, int c) int result = E_REQUEST_DENIED; T((T_CALLED("Data_Entry(%p,%s)"), (void *)form, _tracechtype((chtype)c))); - if ((field->opts & O_EDIT) + if ((Field_Has_Option(field, O_EDIT)) #if FIX_FORM_INACTIVE_BUG - && (field->opts & O_ACTIVE) + && (Field_Has_Option(field, O_ACTIVE)) #endif ) { - if ((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)) @@ -4035,8 +4143,8 @@ Data_Entry(FORM *form, int c) 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->opts & O_AUTOSKIP)) + SetStatus(form, _WINDOW_MODIFIED); + if (End_Of_Field && !Growable(field) && (Field_Has_Option(field, O_AUTOSKIP))) result = Inter_Field_Navigation(FN_Next_Field, form); else { @@ -4228,7 +4336,10 @@ form_driver(FORM *form, int c) if ((c >= MIN_FORM_COMMAND && c <= MAX_FORM_COMMAND) && ((bindings[c - MIN_FORM_COMMAND].keycode & Key_Mask) == c)) - BI = &(bindings[c - MIN_FORM_COMMAND]); + { + TR(TRACE_CALLS, ("form_request %s", form_request_name(c))); + BI = &(bindings[c - MIN_FORM_COMMAND]); + } if (BI) { @@ -4246,7 +4357,7 @@ form_driver(FORM *form, int c) NULL /* Choice Request is generic */ }; size_t nMethods = (sizeof(Generic_Methods) / sizeof(Generic_Methods[0])); - size_t method = (BI->keycode >> ID_Shft) & 0xffff; /* see ID_Mask */ + size_t method = (size_t) ((BI->keycode >> ID_Shft) & 0xffff); /* see ID_Mask */ if ((method >= nMethods) || !(BI->cmd)) res = E_SYSTEM_ERROR; @@ -4255,9 +4366,13 @@ form_driver(FORM *form, int c) Generic_Method fct = Generic_Methods[method]; if (fct) - res = fct(BI->cmd, form); + { + res = fct(BI->cmd, form); + } else - res = (BI->cmd) (form); + { + res = (BI->cmd) (form); + } } } #ifdef NCURSES_MOUSE_VERSION @@ -4360,6 +4475,195 @@ form_driver(FORM *form, int c) 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 @@ -4389,8 +4693,8 @@ set_field_buffer(FIELD *field, int buffer, const char *value) { FIELD_CELL *p; int res = E_OK; - unsigned int i; - unsigned int len; + int i; + int len; #if USE_WIDEC_SUPPORT FIELD_CELL *widevalue = 0; @@ -4408,7 +4712,7 @@ set_field_buffer(FIELD *field, int buffer, const char *value) /* for a growable field we must assume zero terminated strings, because somehow we have to detect the length of what should be copied. */ - unsigned int vlen = strlen(value); + int vlen = (int)strlen(value); if (vlen > len) { @@ -4448,10 +4752,10 @@ set_field_buffer(FIELD *field, int buffer, const char *value) } else { - for (i = 0; i < (unsigned)field->drows; ++i) + for (i = 0; i < field->drows; ++i) { - (void)mvwin_wchnstr(field->working, 0, i * field->dcols, - widevalue + (i * field->dcols), + (void)mvwin_wchnstr(field->working, 0, (int)i * field->dcols, + widevalue + ((int)i * field->dcols), field->dcols); } for (i = 0; i < len; ++i) @@ -4512,7 +4816,7 @@ field_buffer(const FIELD *field, int buffer) { #if USE_WIDEC_SUPPORT FIELD_CELL *data = Address_Of_Nth_Buffer(field, buffer); - unsigned need = 0; + size_t need = 0; int size = Buffer_Length(field); int n; @@ -4526,7 +4830,7 @@ field_buffer(const FIELD *field, int buffer) init_mb(state); next = _nc_wcrtomb(0, data[n].chars[0], &state); - if (!isEILSEQ(next)) + if (next > 0) need += next; } } @@ -4613,14 +4917,14 @@ _nc_Widen_String(char *source, int *lengthp) { result[need] = wch; } - passed += status; + passed += (size_t) status; ++need; } else { if (pass) { - result[need] = source[passed]; + result[need] = (wchar_t)source[passed]; } ++need; ++passed; @@ -4633,7 +4937,7 @@ _nc_Widen_String(char *source, int *lengthp) break; result = typeCalloc(wchar_t, need); - *lengthp = need; + *lengthp = (int)need; if (result == 0) break; } |