Subversion Repositories DIN Is Noise

/*
* curve_picker.cc
* DIN Is Noise is copyright (c) 2006-2017 Jagannathan Sampath
* For more information, please visit http://dinisnoise.org/
*/

#include "curve_picker.h"
#include "curve_editor.h"
#include "ui_list.h"
#include "input.h"
#include <vector>
#include <fstream>
using namespace std;

extern ui_list uis;
extern int mousex, mousey, mouseyy;
extern curve_picker_t curve_picker;
extern ofstream dlog;

void curve_picker_t::setup () {
  l_title.set_text ("Pick what?");
  widget* chld [] = {&b_pick, &b_cancel, &ol_components};
  for (int i = 0; i < 3; ++i) l_title.add_child (chld[i]);
  l_title.set_color (0.0f, 1.0f, 1.0f);
  ol_components.set_color (0.0f, 1.0f, 1.0f);
  b_pick.set_color (0.0f, 1.0f, 0.0f);
  b_cancel.set_color (1.0, 0.0f, 0.0f);
  widget* w [] = {&l_title, &b_pick, &b_cancel, &ol_components};
  widget_load ("d_curve_picker", w, 4);
  b_pick.set_listener (this);
  b_cancel.set_listener (this);
  ol_components.set_listener (this);
}

curve_picker_t::~curve_picker_t () {
  widget* w [] = {&l_title, &b_pick, &b_cancel, &ol_components};
  widget_save ("d_curve_picker", w, 4);
}

void curve_picker_t::update () {
  l_title.update ();
  b_pick.set_label ("Pick");
  b_cancel.set_label ("Cancel");
  ol_components.update ();
}

int curve_picker_t::handle_input () {
  widget* w [] = {&l_title, &b_pick, &b_cancel, &ol_components};
  int r = 0;
  for (int i = 0; i < 4;++i) r |= w[i]->handle_input ();
  if (keypressed (SDLK_ESCAPE)) clicked (b_cancel);
  return r;
}

void curve_picker_t::draw () {
  glEnable (GL_BLEND);
  glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
    glColor4f (0, 0, 0, 0.5f);
    glRecti (bg.left, bg.bottom, bg.right, bg.top);
  glDisable (GL_BLEND);
  widget* w [] = {&l_title, &b_pick, &b_cancel, &ol_components};
  for (int i = 0; i < 4;++i) w[i]->draw ();
}

void curve_picker_t::show () {
  widget::show ();
  int cx = l_title.extents.left, cy = l_title.extents.bottom;
  l_title.move (mousex - cx, mouseyy - cy); // move picker to where mouse is
  widget::focus = this;
  id = 0;
  hit_t& top = uis.crved->hitlist[id];
  stringstream ss; ss << ' ' << top;
  ol_components.set_text (ss.str());
  calc_bg ();
}

void curve_picker_t::calc_bg () {
  const int delta = 2;
  bg.left = l_title.extents.left - delta;
  bg.top = l_title.extents.top + delta;
  bg.right = max (b_cancel.extents.right, ol_components.option.extents.right) + delta;
  bg.bottom = b_pick.extents.bottom - delta;
}

void curve_picker_t::hide () {
  widget::hide ();
  if (widget::focus == this) widget::focus = 0;
}

void curve_picker_t::clicked (button& b) {
  if (&b == &curve_picker.b_pick) uis.crved->picked_using_picker (id);
  curve_picker.hide ();
}

void curve_picker_t::picked (label& l, int dir) {
  id += dir;
  vector<hit_t>& hitlist = uis.crved->hitlist;
  int n = hitlist.size ();
  if (n == 0) {
    clicked (curve_picker.b_cancel);
    return;
  }
  if (id < 0) id = n - 1; else if (id >= n) id = 0;
  stringstream ss; ss << ' ' << hitlist[id];
  l.set_text (ss.str());
  calc_bg ();
}