console_cursor.cpp

Shows how to use xtd::console::set_cursor_position, xtd::console::cursor_top and xtd::console::cursor_left methods.

#include <xtd/xtd>
 
namespace console_curosr_example {
  class program {
  public:
    // The main entry point for the application.
    static auto main() {
      // Clear the screen, then save the top and left coordinates.
      console::clear();
      orig_row = console::cursor_top();
      orig_col = console::cursor_left();
      
      // Draw the left side of a 5x5 rectangle, from top to bottom.
      write_at("+", 0, 0);
      write_at("|", 0, 1);
      write_at("|", 0, 2);
      write_at("|", 0, 3);
      write_at("+", 0, 4);
      
      // Draw the bottom side, from left to right.
      write_at("-", 1, 4); // shortcut: write_at("---", 1, 4)
      write_at("-", 2, 4); // ...
      write_at("-", 3, 4); // ...
      write_at("+", 4, 4);
      
      // Draw the right side, from bottom to top.
      write_at("|", 4, 3);
      write_at("|", 4, 2);
      write_at("|", 4, 1);
      write_at("+", 4, 0);
      
      // Draw the top side, from right to left.
      write_at("-", 3, 0); // shortcut: write_at("---", 1, 0)
      write_at("-", 2, 0); // ...
      write_at("-", 1, 0); // ...
      //
      write_at("All done!", 0, 6);
      console::write_line();
    }
 
  private:
    static auto write_at(const string& s, int x, int y) noexcept -> void {
      console::set_cursor_position(orig_col + x, orig_row + y);
      console::write(s);
    }
    
    static inline auto orig_row = 0;
    static inline auto orig_col = 0;
  };
}
 
 
startup_(console_curosr_example::program::main);
 
// This code produces the following output :
//
// +---+
// |   |
// |   |
// |   |
// +---+
//
// All done!