drawTv_activity.c

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/*********
 * Copyright (c) 2003, Division of Imaging Science and Biomedical Engineering,
 * University of Manchester, UK.  All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 * 
 *   . Redistributions of source code must retain the above copyright notice, 
 *     this list of conditions and the following disclaimer.
 *    
 *   . Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation 
 *     and/or other materials provided with the distribution.
 * 
 *   . Neither the name of the University of Manchester nor the names of its
 *     contributors may be used to endorse or promote products derived from this 
 *     software without specific prior written permission.
 * 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 * POSSIBILITY OF SUCH DAMAGE.
 *
 **********
 *
 * Program :    TINA
 * File    :  $Source: /home/tina/cvs/tina-tools/tinatool/draw/drawTv_activity.c,v $
 * Date    :  $Date: 2003/10/01 16:02:47 $
 * Version :  $Revision: 1.3 $
 * CVS Id  :  $Id: drawTv_activity.c,v 1.3 2003/10/01 16:02:47 tony Exp $
 *
 * Author  : Legacy TINA
 *
 * Notes :
 *
 *********
*/

#include "drawTv_activity.h"

#if HAVE_CONFIG_H
  #include <config.h>
#endif

#include <tina/sys/sysDef.h>
#include <tina/sys/sysPro.h>
#include <tina/math/mathDef.h>
#include <tinatool/draw/draw_TvDef.h>
#include <tinatool/draw/draw_TvPro.h>

int tv_set_activity(Tv * tv, int activity)
{
  extern void tv_screen_set_activity_cursor();
  int oldactivity = 0;

  if (tv)
  {
    oldactivity = tv->activity;
    tv->activity = activity;
    (void) tv_set_activity_message(tv);
    if (tv->tv_screen)
    {
      tv_screen_set_activity_cursor(tv->tv_screen, activity);
    }
  }
  return (oldactivity);
}

void tv_set_activity_message(Tv * tv)
{
  if (tv == NULL)
    return;

  switch (tv->activity)
  {
  case ZOOM:
    switch (tv->zoomlevel)
    {
    case IMZOOM:
      tv_set_message(tv, "imzoom : shift / scale / roi");
      break;
    case ZOOM2:
      tv_set_message(tv, "zoom2D : shift / scale-rot2D / null");
      break;
    }
    break;
  case ROI:
    tv_set_message(tv, "rect : define / show / null");
    break;
  case POLYROI:
    tv_set_message(tv, "poly : next / end (show) / restart");
    break;
  case POINT:
    tv_set_message(tv, "point : move / delete / add");
    break;
  case GLOBAL:
    tv_set_message(tv, "global : trans / scale / rotate");
    break;
  case PICK:
    {
      char *name = tv->pick.name;
      char string[512];

      (void) string_append(string,
                           "pick : choose / ", name, " / cancel",
                           NULL);
      tv_set_message(tv, string);
    }
    break;
  case MOUSE:
    {
      Tv_mouse *mouse = &tv->mouse;
      char string[512];

      (void) string_append(string,
                           mouse->name, " : ",
                           mouse->left_name, " / ",
                           mouse->middle_name, " / ",
                           mouse->right_name, NULL);
      tv_set_message(tv, string);
    }
    break;
  case 0:
  default:
    tv_set_message(tv, "null");
  }
}

/*
 * Handle mouse events (not keyboard) in screen.  Meaning of an event
 * * (eg mouse SELECT) depends on the tv->activity (zoom, roi, pick
 * * mouse). 
 */
void tv_activity_proc(Tv * tv, int state, Ipos pos)
{
  switch (tv->activity)
  {
  case 0:
    return;
  case ZOOM:
    tv_zoom_proc(tv, state, pos);
    break;
  case ROI:
    tv_roi_proc(tv, state, pos);
    break;
  case POLYROI:
    tv_polyroi_proc(tv, state, pos);
    break;
  case POINT:
    tv_roipnt_proc(tv, state, pos);
    break;
  case GLOBAL:
    tv_roigbl_proc(tv, state, pos);
    break;
  case PICK:
    tv_pick_proc(tv, state, pos);
    break;
  case MOUSE:
    tv_mouse_proc(tv, state, pos);
    break;
  }
}

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