Slider_gump.h

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/*
Copyright (C) 2000 The Exult Team

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
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY 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.
*/

#ifndef _SLIDER_GUMP_H_
#define _SLIDER_GUMP_H_

#include "Modal_gump.h"

class Slider_button;

/*
 *  A slider for choosing a number.
 */
class Slider_gump : public Modal_gump
{
  UNREPLICATABLE_CLASS_I(Slider_gump,Modal_gump(0,0,0,0));

protected:
          // The arrows at each end:
  Slider_button *left_arrow, *right_arrow;
  int diamondx;     // Rel. pos. where diamond is shown.
  static short diamondy;
  int min_val, max_val;   // Max., min. values to choose from.
  int step_val;     // Amount to step by.
  int val;      // Current value.
  unsigned char dragging;   // 1 if dragging the diamond.
  int prev_dragx;     // Prev. x-coord. of mouse.
  void set_val(int newval); // Set to new value.
          // Coords:
  static short leftbtnx, rightbtnx, btny;
  static short xmin, xmax;

  ShapeID diamond;    // Diamond

public:
  Slider_gump(int mival, int mxval, int step, int defval);
  ~Slider_gump();
  int get_val()     // Get last value set.
    { return val; }
          // An arrow was clicked on.
  void clicked_arrow(Slider_button *arrow);

  void move_diamond(int dir);

          // Paint it and its contents.
  virtual void paint();
  virtual void close()
    { done = 1; }
          // Handle events:
  virtual void mouse_down(int mx, int my);
  virtual void mouse_up(int mx, int my);
  virtual void mouse_drag(int mx, int my);
  virtual void key_down(int chr); // Character typed.

  virtual void mousewheel_up();
  virtual void mousewheel_down();
};

#endif

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