Vertical Button Layout

#include "graphapp.h"

void quit(button b)
{
  exitapp();
}

void main(void)
{
  window w;
  drawing d;
  button b[5];
  rect r;

  w = newwindow("Vertical Layout", rect(50,50,120,145),
                StandardWindow);
  r = rect(0,0,80,25);

  b[0] = newbutton("Quit", r, quit);
  r.y = r.y + 30;

  b[1] = newbutton("Button 1", r, quit);
  r.y = r.y + 30;

  b[2] = newbutton("Button 2", r, quit);
  r.y = r.y + 30;

  b[3] = newbutton("Button 3", r, quit);
  r.y = r.y + 30;

  b[4] = newbutton("Button 4", r, quit);
  r.y = r.y + 30;

  show(w);
  mainloop();
}

• An array of buttons is now used.
• The rectangle r is used to create a vertical alignment of buttons.
• Source code: vertbtn.c