Two Windows

#include <stdio.h>
#include "graphapp.h"

App *app;

void close_it(Window *w)
{
  char *filename = NULL;
  int result = ask_yes_no_cancel(app, "Confirm Save", "Save changes?");

  if (result == YES) {
    filename = ask_file_save(app, "Save File",
                             "Save the file as:",
                             get_control_text(w));
    if (filename == NULL) /* operation cancelled! */
      return;
    /* save the file somehow */
    ask_ok(app, "File Saved", "The file was sucessfully saved.");
  }
  else if (result == CANCEL)
     return;

  hide_window(w);
}

int main(int argc, char *argv[])
{
  Window *w1, *w2;

  app = new_app(argc, argv);

  w1 = new_window(app, rect(0,0,300,250), "file1.txt", STANDARD_WINDOW);
  set_close(w1, close_it);
  show_window(w1);

  w2 = new_window(app, rect(20,20,300,250), "file2.txt", STANDARD_WINDOW);
  set_close(w2, close_it);
  show_window(w2);

  main_loop(app);
  return 0;
}

Notes:

• Create multiple windows by calling show_window several times.
• Each window must be separately made visible using show_window.