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240 lines
8.2 KiB
C
240 lines
8.2 KiB
C
// swad_box.c: layout of boxes
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/*
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SWAD (Shared Workspace At a Distance),
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is a web platform developed at the University of Granada (Spain),
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and used to support university teaching.
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This file is part of SWAD core.
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Copyright (C) 1999-2019 Antonio Cañas Vargas
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*****************************************************************************/
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/********************************* Headers ***********************************/
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/*****************************************************************************/
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#include <stdbool.h> // For boolean type
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#include <stdio.h> // For fprintf
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#include <stdlib.h> // For malloc and free
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#include "swad_action.h"
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#include "swad_box.h"
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#include "swad_form.h"
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#include "swad_global.h"
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#include "swad_help.h"
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#include "swad_HTML.h"
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/*****************************************************************************/
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/************** External global variables from others modules ****************/
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/*****************************************************************************/
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extern struct Globals Gbl;
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/*****************************************************************************/
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/****************************** Public constants *****************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/***************************** Private constants *****************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/******************************* Private types *******************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/***************************** Private variables *****************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/***************************** Private prototypes ****************************/
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/*****************************************************************************/
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static void Box_BoxInternalBegin (const char *Width,const char *Title,
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void (*FunctionToDrawContextualIcons) (void),
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const char *HelpLink,Box_Closable_t Closable,
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const char *ClassFrame);
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/*****************************************************************************/
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/******************* Begin and end a table with rounded box ******************/
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/*****************************************************************************/
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// CellPadding must be 0, 1, 2, 4 or 8
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void Box_BoxTableBegin (const char *Width,const char *Title,
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void (*FunctionToDrawContextualIcons) (void),
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const char *HelpLink,Box_Closable_t Closable,
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unsigned CellPadding) // CellPadding must be 0, 1, 2, 5 or 10
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{
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Box_BoxBegin (Width,Title,FunctionToDrawContextualIcons,
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HelpLink,Closable);
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HTM_TABLE_BeginWidePadding (CellPadding);
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}
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void Box_BoxTableShadowBegin (const char *Width,const char *Title,
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void (*FunctionToDrawContextualIcons) (void),
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const char *HelpLink,
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unsigned CellPadding) // CellPadding must be 0, 1, 2, 5 or 10
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{
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Box_BoxShadowBegin (Width,Title,
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FunctionToDrawContextualIcons,
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HelpLink);
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HTM_TABLE_BeginWidePadding (CellPadding);
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}
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void Box_BoxBegin (const char *Width,const char *Title,
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void (*FunctionToDrawContextualIcons) (void),
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const char *HelpLink,Box_Closable_t Closable)
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{
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Box_BoxInternalBegin (Width,Title,
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FunctionToDrawContextualIcons,
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HelpLink,Closable,
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"FRAME");
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}
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void Box_BoxShadowBegin (const char *Width,const char *Title,
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void (*FunctionToDrawContextualIcons) (void),
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const char *HelpLink)
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{
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Box_BoxInternalBegin (Width,Title,
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FunctionToDrawContextualIcons,
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HelpLink,Box_NOT_CLOSABLE,
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"FRAME_SHADOW");
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}
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// Return pointer to box id string
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static void Box_BoxInternalBegin (const char *Width,const char *Title,
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void (*FunctionToDrawContextualIcons) (void),
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const char *HelpLink,Box_Closable_t Closable,
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const char *ClassFrame)
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{
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extern const char *Txt_Help;
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extern const char *Txt_Close;
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/***** Check level of nesting *****/
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if (Gbl.Box.Nested >= Box_MAX_NESTED - 1) // Can not nest a new box
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Lay_ShowErrorAndExit ("Box nesting limit reached.");
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/***** Increase level of nesting *****/
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Gbl.Box.Nested++;
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/***** Create unique identifier for this box *****/
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if (Closable == Box_CLOSABLE)
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{
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if ((Gbl.Box.Ids[Gbl.Box.Nested] = (char *) malloc (Frm_MAX_BYTES_ID + 1)) == NULL)
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Lay_ShowErrorAndExit ("Error allocating memory for box id.");
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}
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else
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Gbl.Box.Ids[Gbl.Box.Nested] = NULL;
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/***** Begin box container *****/
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if (Closable == Box_CLOSABLE)
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{
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/* Create unique id for alert */
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Frm_SetUniqueId (Gbl.Box.Ids[Gbl.Box.Nested]);
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HTM_DIV_Begin ("class=\"FRAME_CONT\" id=\"%s\"",Gbl.Box.Ids[Gbl.Box.Nested]);
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}
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else
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HTM_DIV_Begin ("class=\"FRAME_CONT\"");
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/***** Begin box *****/
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if (Width)
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HTM_DIV_Begin ("class=\"%s\" style=\"width:%s;\"",ClassFrame,Width);
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else
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HTM_DIV_Begin ("class=\"%s\"",ClassFrame);
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/***** Row for left and right icons *****/
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HTM_DIV_Begin ("class=\"FRAME_ICO\"");
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/* Contextual icons at left */
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if (FunctionToDrawContextualIcons)
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{
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HTM_DIV_Begin ("class=\"FRAME_ICO_LEFT\"");
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FunctionToDrawContextualIcons ();
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HTM_DIV_End ();
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}
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/* Icons at right: help and close */
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HTM_DIV_Begin ("class=\"FRAME_ICO_RIGHT\"");
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if (HelpLink) // Link to help
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{
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HTM_A_Begin ("href=\"%s%s\" target=\"_blank\"",Hlp_WIKI,HelpLink);
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Ico_PutDivIcon ("CONTEXT_OPT HLP_HIGHLIGHT",
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"question.svg",Txt_Help);
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HTM_A_End ();
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}
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if (Closable == Box_CLOSABLE) // Icon to close the box
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{
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HTM_A_Begin ("href=\"\" onclick=\"toggleDisplay('%s');return false;\"",
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Gbl.Box.Ids[Gbl.Box.Nested]);
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Ico_PutDivIcon ("CONTEXT_OPT HLP_HIGHLIGHT",
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"close.svg",Txt_Close);
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HTM_A_End ();
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}
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HTM_DIV_End ();
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/***** End row for left and right icons *****/
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HTM_DIV_End ();
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/***** Frame title *****/
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if (Title)
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{
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HTM_DIV_Begin ("class=\"FRAME_TITLE %s\"",
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Gbl.Box.Nested ? "FRAME_TITLE_SMALL" :
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"FRAME_TITLE_BIG");
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HTM_Txt (Title);
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HTM_DIV_End ();
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}
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}
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void Box_BoxTableEnd (void)
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{
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HTM_TABLE_End ();
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Box_BoxEnd ();
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}
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void Box_BoxTableWithButtonEnd (Btn_Button_t Button,const char *TxtButton)
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{
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HTM_TABLE_End ();
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Box_BoxWithButtonEnd (Button,TxtButton);
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}
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void Box_BoxWithButtonEnd (Btn_Button_t Button,const char *TxtButton)
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{
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Btn_PutButton (Button,TxtButton);
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Box_BoxEnd ();
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}
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void Box_BoxEnd (void)
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{
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/***** Check level of nesting *****/
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if (Gbl.Box.Nested < 0)
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Lay_ShowErrorAndExit ("Trying to end a box not open.");
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/***** Free memory allocated for box id string *****/
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if (Gbl.Box.Ids[Gbl.Box.Nested])
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free (Gbl.Box.Ids[Gbl.Box.Nested]);
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/***** End box and box container *****/
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HTM_DIV_End ();
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HTM_DIV_End ();
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/***** Decrease level of nesting *****/
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Gbl.Box.Nested--;
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}
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