console_cursor_visible.cpp

Shows how to use xtd::console::cursor_visible property.

#include <xtd/xtd>
 
auto main() -> int {
  constexpr auto message = "\nThe cursor is {0}.\nType any text then press Enter. "
  "Type '+' in the first column to show \n"
  "the cursor, '-' to hide the cursor, "
  "or lowercase 'x' to quit:";
 
  auto save_cursor_visibile = console::cursor_visible();
  auto save_cursor_size = console::cursor_size();
  console::cursor_visible(true); // Initialize the cursor to visible.
  console::cursor_size(100);     // Emphasize the cursor.
  
  while (true) {
    console::write_line(message, ((console::cursor_visible() == true) ? "VISIBLE" : "HIDDEN"));
    auto s = console::read_line();
    if (string::is_empty(s)) continue;
    if (s[0] == '+') console::cursor_visible(true);
    else if (s[0] == '-') console::cursor_visible(false);
    else if (s[0] == 'x') break;
  }
  console::cursor_visible(save_cursor_visibile);
  console::cursor_size(save_cursor_size);
}
 
// This code produces the following output. Note that these results
// cannot depict cursor visibility. You must run the example to see the
// cursor behavior:
//
// The cursor is VISIBLE.
// Type any text then press Enter. Type '+' in the first column to show
// the cursor, '-' to hide the cursor, or lowercase 'x' to quit:
// The quick brown fox
//
// The cursor is VISIBLE.
// Type any text then press Enter. Type '+' in the first column to show
// the cursor, '-' to hide the cursor, or lowercase 'x' to quit:
// -
//
// The cursor is HIDDEN.
// Type any text then press Enter. Type '+' in the first column to show
// the cursor, '-' to hide the cursor, or lowercase 'x' to quit:
// jumps over
//
// The cursor is HIDDEN.
// Type any text then press Enter. Type '+' in the first column to show
// the cursor, '-' to hide the cursor, or lowercase 'x' to quit:
// +
//
// The cursor is VISIBLE.
// Type any text then press Enter. Type '+' in the first column to show
// the cursor, '-' to hide the cursor, or lowercase 'x' to quit:
// the lazy dog.
//
// The cursor is VISIBLE.
// Type any text then press Enter. Type '+' in the first column to show
// the cursor, '-' to hide the cursor, or lowercase 'x' to quit:
// x