scip_disp.c

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*                                                                           */
/*                  This file is part of the program and library             */
/*         SCIP --- Solving Constraint Integer Programs                      */
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/*  Copyright 2002-2022 Zuse Institute Berlin                                */
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/*  Licensed under the Apache License, Version 2.0 (the "License");          */
/*  you may not use this file except in compliance with the License.         */
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/*      http://www.apache.org/licenses/LICENSE-2.0                           */
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/*  distributed under the License is distributed on an "AS IS" BASIS,        */
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/*  limitations under the License.                                           */
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/**@file   scip_disp.c
 * @ingroup OTHER_CFILES
 * @brief  public methods for display handler plugins
 * @author Tobias Achterberg
 * @author Timo Berthold
 * @author Gerald Gamrath
 * @author Leona Gottwald
 * @author Stefan Heinz
 * @author Gregor Hendel
 * @author Thorsten Koch
 * @author Alexander Martin
 * @author Marc Pfetsch
 * @author Michael Winkler
 * @author Kati Wolter
 *
 * @todo check all SCIP_STAGE_* switches, and include the new stages TRANSFORMED and INITSOLVE
 */

/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/

#include "scip/debug.h"
#include "scip/disp.h"
#include "scip/pub_message.h"
#include "scip/scip_disp.h"
#include "scip/set.h"
#include "scip/struct_mem.h"
#include "scip/struct_scip.h"
#include "scip/struct_set.h"

/** creates a display column and includes it in SCIP */
SCIP_RETCODE SCIPincludeDisp(
   SCIP*                 scip,               /**< SCIP data structure */
   const char*           name,               /**< name of display column */
   const char*           desc,               /**< description of display column */
   const char*           header,             /**< head line of display column */
   SCIP_DISPSTATUS       dispstatus,         /**< display activation status of display column */
   SCIP_DECL_DISPCOPY    ((*dispcopy)),      /**< copy method of display column or NULL if you don't want to copy your plugin into sub-SCIPs */
   SCIP_DECL_DISPFREE    ((*dispfree)),      /**< destructor of display column */
   SCIP_DECL_DISPINIT    ((*dispinit)),      /**< initialize display column */
   SCIP_DECL_DISPEXIT    ((*dispexit)),      /**< deinitialize display column */
   SCIP_DECL_DISPINITSOL ((*dispinitsol)),   /**< solving process initialization method of display column */
   SCIP_DECL_DISPEXITSOL ((*dispexitsol)),   /**< solving process deinitialization method of display column */
   SCIP_DECL_DISPOUTPUT  ((*dispoutput)),    /**< output method */
   SCIP_DISPDATA*        dispdata,           /**< display column data */
   int                   width,              /**< width of display column (no. of chars used) */
   int                   priority,           /**< priority of display column */
   int                   position,           /**< relative position of display column */
   SCIP_Bool             stripline           /**< should the column be separated with a line from its right neighbor? */
   )
{
   SCIP_DISP* disp;

   SCIP_CALL( SCIPcheckStage(scip, "SCIPincludeDisp", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );

   /* check whether display column is already present */
   if( SCIPfindDisp(scip, name) != NULL )
   {
      SCIPerrorMessage("display column <%s> already included.\n", name);
      return SCIP_INVALIDDATA;
   }

   SCIP_CALL( SCIPdispCreate(&disp, scip->set, scip->messagehdlr, scip->mem->setmem,
         name, desc, header, dispstatus,
         dispcopy,
         dispfree, dispinit, dispexit, dispinitsol, dispexitsol, dispoutput, dispdata,
         width, priority, position, stripline) );
   SCIP_CALL( SCIPsetIncludeDisp(scip->set, disp) );

   return SCIP_OKAY;
}

/** returns the display column of the given name, or NULL if not existing */
SCIP_DISP* SCIPfindDisp(
   SCIP*                 scip,               /**< SCIP data structure */
   const char*           name                /**< name of display column */
   )
{
   assert(scip != NULL);
   assert(scip->set != NULL);
   assert(name != NULL);

   return SCIPsetFindDisp(scip->set, name);
}

/** returns the array of currently available display columns */
SCIP_DISP** SCIPgetDisps(
   SCIP*                 scip                /**< SCIP data structure */
   )
{
   assert(scip != NULL);
   assert(scip->set != NULL);

   return scip->set->disps;
}

/** returns the number of currently available display columns */
int SCIPgetNDisps(
   SCIP*                 scip                /**< SCIP data structure */
   )
{
   assert(scip != NULL);
   assert(scip->set != NULL);

   return scip->set->ndisps;
}

/** automatically selects display columns for being shown w.r.t. the display width parameter */
SCIP_RETCODE SCIPautoselectDisps(
   SCIP*                 scip                /**< SCIP data structure */
   )
{
   assert(scip != NULL);
   assert(scip->set != NULL);

   SCIP_CALL( SCIPdispAutoActivate(scip->set) );

   return SCIP_OKAY;
}

/** changes the display column mode */
void SCIPchgDispMode(
   SCIP_DISP*            disp,               /**< display column */
   SCIP_DISPMODE         mode                /**< the display column mode */
   )
{
   assert(disp != NULL);

   SCIPdispChgMode(disp, mode);
}