/*
 * file mi_color.c - color editor for menus
 *
 * $Id: mi_color.c,v 1.3 2004/05/14 10:00:35 alfie Exp $
 * 
 * Program XBLAST 
 * (C) by Oliver Vogel (e-mail: m.vogel@ndh.net)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2; or (at your option)
 * any later version
 *
 * This program is distributed in the hope that it will be entertaining,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of 
 * MERCHANTABILTY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.
 * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#include "mi_color.h"

#include "mi_map.h"
#include "gui.h"

/*
 * local macros
 */
#define FF_COLOR_TEXT_FOCUS    (FF_Medium | FF_Black | FF_Left | FF_Outlined)
#define FF_COLOR_TEXT_NO_FOCUS (FF_Medium | FF_White | FF_Left)

/*
 * local types
 */
/* color editor */
typedef struct {
  XBMenuItem  item;
  const char *text;
  Sprite     *tSprite;
  XBColor    *pointer;
  XBColor     current;
  XBRgbValue *pRgb;
  int         index;
  Sprite     *cSprite;
  Sprite     *sSprite;
} XBMenuColorItem;

/*
 * local variables
 */
static int colorCount = 0;
XBMenuColorItem *itemTable[MAX_COLOR_SPRITES] = {
  NULL, NULL, NULL, NULL, NULL, NULL,
};

/*
 * a color item has received the focus
 */
static void
MenuColorFocus (XBMenuItem *ptr, XBBool flag)
{
  XBMenuColorItem *color = (XBMenuColorItem *) ptr;

  assert (color != NULL);
  assert (color->tSprite != NULL);
  SetSpriteAnime (color->tSprite, flag ? FF_COLOR_TEXT_FOCUS : FF_COLOR_TEXT_NO_FOCUS);
} /* MenuColorFocus */

/*
 * Menu Color Item
 */
static void
MenuColorSelect (XBMenuItem *ptr)
{
  int i;
  XBMenuColorItem *color = (XBMenuColorItem *) ptr;

  assert (color != NULL);
  /* delete other color selections */
  for (i = 0; i < colorCount; i ++ ) {
    XBMenuColorItem *item = itemTable[i];
    assert (item != NULL);
    item->item.flags &= ~ MIF_SELECTED;
    SetSpriteAnime (item->sSprite, ISA_LedOff);
  }
  /* mark as selected */
  color->item.flags |= MIF_SELECTED;
  SetSpriteAnime (color->sSprite, ISA_LedOn);
  /* set rgb value */
  assert (color->pRgb != NULL);
  color->pRgb->red   = GET_RED   (color->current);
  color->pRgb->green = GET_GREEN (color->current);
  color->pRgb->blue  = GET_BLUE  (color->current);
} /* MenuColorSelect */

/*
 * mouse click
 */
static void
MenuColorMouse (XBMenuItem *ptr, XBEventCode code)
{
  if (XBE_MOUSE_1 == code) {
    MenuColorSelect (ptr);
  }
} /* MenuColorMouse */

/*
 * Menu Color Item
 */
static void
MenuColorPoll (XBMenuItem *ptr)
{
  XBMenuColorItem *color = (XBMenuColorItem *) ptr;
  
  assert (NULL != color);
  assert (NULL != color->pRgb);
  assert (NULL != color->cSprite);
  assert (NULL != color->pointer);
  if (color->item.flags & MIF_SELECTED) {
    /* check for color changes */
    XBColor tmp = SET_COLOR (color->pRgb->red, color->pRgb->green,color->pRgb->blue);
    if (tmp != color->current) {
      /* store new value */
      color->current  = tmp;
      *color->pointer = tmp;
      SetSpriteColor (color->cSprite, color->current);
    }
  }
} /* MenuColorPoll */

/*
 *
 */
XBMenuItem *
MenuCreateColor (int x, int y, int w, const char *text, XBColor *pColor, XBRgbValue *pRgb)
{
  XBMenuColorItem *color;

  assert (pColor != NULL);
  assert (colorCount < MAX_COLOR_SPRITES);
  /* create item */
  color = calloc (1, sizeof (*color));
  assert (color != NULL);
  MenuSetItem (&color->item, MIT_Color, x, y, w, CELL_H, MenuColorFocus, MenuColorSelect, MenuColorMouse, MenuColorPoll);
  /* set label */
  color->text    = text;
  color->tSprite = CreateTextSprite (text, (x + 3) * BASE_X, (y + 1) * BASE_Y, (w - CELL_W - 4) * BASE_X, (CELL_H - 2) * BASE_Y,
				     FF_COLOR_TEXT_NO_FOCUS, SPM_MAPPED);
  /* get color */
  color->pointer = pColor;
  color->current = *pColor;
  color->pRgb    = pRgb;
  color->index   = colorCount ++;
  color->cSprite = CreateIconSprite ((x + w - CELL_W) * BASE_X, y * BASE_Y, ISA_Color1 + color->index, SPM_MAPPED);
  SetSpriteColor (color->cSprite, color->current);
  /* marker for selection */
  color->sSprite = CreateIconSprite ( (x - 4)* BASE_X, y * BASE_Y, ISA_LedOff, SPM_MAPPED);
  /* store in table */
  itemTable[color->index] = color;
  /* graphics */
  MenuAddLargeFrame ((x - CELL_W/2) / CELL_W, (x + w + CELL_W/2 - 1) / CELL_W, y / CELL_H);
  /* that's all */
  return &color->item;
} /* CreateMenuColor */

/*
 * delete color editor
 */
void
MenuDeleteColor (XBMenuItem *item)
{
  XBMenuColorItem *color = (XBMenuColorItem *) item;

  assert (color != NULL);
  assert (color->tSprite != NULL);
  assert (color->cSprite != NULL);
  assert (color->sSprite != NULL);
  DeleteSprite (color->tSprite);
  DeleteSprite (color->cSprite);
  DeleteSprite (color->sSprite);
  itemTable[color->index] = NULL;
  colorCount --;
} /* DeleteColorItem */


/*
 * end of file mi_color.c
 */