#include <Frame.h>
#include <keyboard.h>

void Zoomable::zoom(const Rect &r) {
  if (!zoomed) {
    orig = loc;
    zoomed = 1;
  }
  setphys(r);
}

void Zoomable::unzoom() {
  if (zoomed) {
    setphys(orig);
    zoomed = 0;
  }
}

struct sizeFrame: Controller, Frame {
  Rect r;
  sizeFrame(const Rect &size): r(size),
    Frame("MOVE/SIZE","Arrows, hjklHJKL, ENTER when done")
  {
    settype(2);
    setphys(size);
    setfocus(this);
    sync();
  }
  void key(int);
};

void sizeFrame::key(int ky) {
  switch (ky) {
  case KEY_UP: case 'k':	// move up one
    setphys(r = r.moverel(-1,0));
    break;
  case KEY_DOWN: case 'j':
    setphys(r = r.moverel(1,0));
    break;
  case KEY_LEFT: case 'h':
    setphys(r = r.moverel(0,-1));
    break;
  case KEY_RIGHT: case 'l':
    setphys(r = r.moverel(0,1));
    break;
  case 'K':
    if (r.r2) setphys(Rect(r.r1,r.c1,--r.r2,r.c2));
    break;
  case 'J':
    setphys(Rect(r.r1,r.c1,++r.r2,r.c2));
    break;
  case KEY_SLEFT: case 'H':
    if (r.c2) setphys(Rect(r.r1,r.c1,r.r2,--r.c2));
    break;
  case KEY_SRIGHT: case 'L':
    setphys(Rect(r.r1,r.c1,r.r2,++r.c2));
    break;
  case KEY_ENTER: case KEY_F(1): case '\r': case '\n':
    setfocus(0);
    break;
  default:
    Controller::key(ky);
    return;
  }
  sync();
}

void Zoomable::sizeFromUser() {
  hide();
  sizeFrame f(loc);
  f.run();
  zoomed = 0;
  setphys(f.r);
}