Upsilon/ion/src/simulator/keyboard/fltkkbd.cpp

#include <assert.h>
#include "fltkkbd.h"

#define KEYBOARD_ROWS 7
#define KEYBOARD_COLUMNS 5

static const char* kCharForKey[KEYBOARD_ROWS * KEYBOARD_COLUMNS] = {
  "A", "B", "C", "D", "E",
  "F", "G", "H", "I", "J",
  "K", "L", "M", "N", "O",
  "7", "8", "9", "(", ")",
  "4", "5", "6", "*", "/",
  "1", "2", "3", "+", "-",
  "0", ".", "x", "7", "X"
};

FltkKbd::FltkKbd(int x, int y, int w, int h) : Fl_Group(x, y, w, h) {
  assert(KEYBOARD_ROWS*KEYBOARD_COLUMNS == ION_NUMBER_OF_KEYS);
  int key_width = w/KEYBOARD_COLUMNS;
  int key_height = h/KEYBOARD_ROWS;
  for (int k=0; k<ION_NUMBER_OF_KEYS; k++) {
    m_buttons[k] = new Fl_Button(x + (k%KEYBOARD_COLUMNS)*key_width,
                                 y + (k/KEYBOARD_COLUMNS)*key_height,
                                 key_width,
                                 key_height,
                                 kCharForKey[k]);
  }
  end();
}

bool FltkKbd::key_down(ion_key_t key) {
  return m_buttons[key]->value();
}