diff options
Diffstat (limited to 'Source/CursesDialog/form/frm_post.c')
| -rw-r--r-- | Source/CursesDialog/form/frm_post.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/Source/CursesDialog/form/frm_post.c b/Source/CursesDialog/form/frm_post.c new file mode 100644 index 000000000..3c63de70e --- /dev/null +++ b/Source/CursesDialog/form/frm_post.c @@ -0,0 +1,124 @@ +/**************************************************************************** + * 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 : int post_form(FORM * form) +| +| Description : Writes the form into its associated subwindow. +| +| Return Values : E_OK - success +| E_BAD_ARGUMENT - invalid form pointer +| E_POSTED - form already posted +| E_NOT_CONNECTED - no fields connected to form +| E_NO_ROOM - form doesn't fit into subwindow +| E_SYSTEM_ERROR - system error ++--------------------------------------------------------------------------*/ +int post_form(FORM * form) +{ + WINDOW *formwin; + int err; + int page; + int height, width; + + if (!form) + RETURN(E_BAD_ARGUMENT); + + if (form->status & _POSTED) + RETURN(E_POSTED); + + if (!(form->field)) + RETURN(E_NOT_CONNECTED); + + formwin = Get_Form_Window(form); +#if defined(__LSB_VERSION__) + getmaxyx(formwin, height, width); +#else + width = getmaxx(formwin); + height = getmaxy(formwin); +#endif + if ((form->cols > width) || (form->rows > height)) + RETURN(E_NO_ROOM); + + /* reset form->curpage to an invald value. This forces Set_Form_Page + to do the page initialization which is required by post_form. + */ + page = form->curpage; + form->curpage = -1; + if ((err = _nc_Set_Form_Page(form,page,form->current))!=E_OK) + RETURN(err); + + form->status |= _POSTED; + + Call_Hook(form,forminit); + Call_Hook(form,fieldinit); + + _nc_Refresh_Current_Field(form); + RETURN(E_OK); +} + +/*--------------------------------------------------------------------------- +| Facility : libnform +| Function : int unpost_form(FORM * form) +| +| Description : Erase form from its associated subwindow. +| +| Return Values : E_OK - success +| E_BAD_ARGUMENT - invalid form pointer +| E_NOT_POSTED - form isn't posted +| E_BAD_STATE - called from a hook routine ++--------------------------------------------------------------------------*/ +int unpost_form(FORM * form) +{ + if (!form) + RETURN(E_BAD_ARGUMENT); + + if (!(form->status & _POSTED)) + RETURN(E_NOT_POSTED); + + if (form->status & _IN_DRIVER) + RETURN(E_BAD_STATE); + + Call_Hook(form,fieldterm); + Call_Hook(form,formterm); + + werase(Get_Form_Window(form)); + delwin(form->w); + form->w = (WINDOW *)0; + form->status &= ~_POSTED; + RETURN(E_OK); +} + +/* frm_post.c ends here */ |