Subversion Repositories DIN Is Noise

/*

* mouse_slider.h

* DIN Is Noise is copyright (c) 2006-2024 Jagannathan Sampath

* DIN Is Noise is released under GNU Public License 2.0

* For more information, please visit https://dinisnoise.org/

*/

#ifndef __mouse_slider

#define __mouse_slider

#include "widget.h"

#include "arrow_button.h"

#include "checkbutton.h"

#include <list>

struct mouse_slider_listener {

  std::string name;

  enum {X, Y, NONE};

  int orient;

  double delta0, delta;

  checkbutton* vary;

  checkbutton* lim;

  void togger (checkbutton* cb, const char* str);

  void togvary ();

  void toglim ();

  mouse_slider_listener ();

  virtual void moused (int dir, double scl = 1.0) {}

  virtual void after_slide () {}

};

struct mouse_slider : widget {

  int sz, sz_2, szn, szn_1;

  arrow_button axl, axr;

  arrow_button ayb, ayt;

  void update_x_arrows ();

  void update_y_arrows ();

  static const int margin = 10;

  int lowx, highx, midx;

  int lowy, highy, midy;

  int prevx, prevy;

  int initx, inity, inityy;

  std::list<mouse_slider_listener*> mslx, msly;

  int nmslx, nmsly;

  void print (std::list<mouse_slider_listener*>&, std::list<mouse_slider_listener*>&);

  void print (std::list<mouse_slider_listener*>&);

  int dx, dy;

  int justx ();

  int justy ();

  int active;

  static int warp;

  int lmb_clicked;

  mouse_slider ();

  ~mouse_slider ();

  int handle_input ();

  int pts [8];

  void draw ();

  void add (mouse_slider_listener* sl);

  void remove (mouse_slider_listener* sl);

  double base;

  int shift;

  struct scalet {

    enum {FIXED, CHANGING};

    int style;

    double value;

    void operator*= (const double& v) { value *= v; }

    void operator/= (const double& v) { value /= v; }

    void calcvalue (double& b, int s);

  } scale;

  int activate (int shft = 0, int scalestyle = scalet::CHANGING);

  int deactivate ();

};

void cant_mouse_slide ();

void activate_mouse_slider (int shift = 0, int scalestyle = mouse_slider::scalet::CHANGING);

extern mouse_slider mouse_slider0;

#define MAKE_MOUSE_SLIDER_LISTENER(name,var) struct name : mouse_slider_listener { void after_slide (); void moused (int dir, double scl); }; name var;

#define AFTER_SLIDE(scope,name) void scope::name::after_slide () 

#define MOUSED(scope,name) void scope::name::moused (int dir, double scl)

#endif