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-rw-r--r--form/frm_post.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/form/frm_post.c b/form/frm_post.c
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+/****************************************************************************
+ * Copyright (c) 1998-2003,2004 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, 1995,1997 *
+ ****************************************************************************/
+
+#include "form.priv.h"
+
+MODULE_ID("$Id: frm_post.c,v 1.9 2004/12/11 22:19:06 tom Exp $")
+
+/*---------------------------------------------------------------------------
+| 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
++--------------------------------------------------------------------------*/
+NCURSES_EXPORT(int)
+post_form(FORM *form)
+{
+ WINDOW *formwin;
+ int err;
+ int page;
+
+ T((T_CALLED("post_form(%p)"), form));
+
+ 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 ((form->cols > getmaxx(formwin)) || (form->rows > getmaxy(formwin)))
+ 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
++--------------------------------------------------------------------------*/
+NCURSES_EXPORT(int)
+unpost_form(FORM *form)
+{
+ T((T_CALLED("unpost_form(%p)"), 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 */