006: Submenu

Description

This is an example of how you can create several instances of PyxelMenu to create menus that interact with each other, one as the main menu and another as a submenu.

Play

Code

# This is an example of how you can create several instances of PyxelMenu
# to create menus that interact with each other, one as the main menu
# and another as a submenu.

import pyxel
from pyxel_menu import PyxelMenu


class Example:
    def __init__(self):
        self.current_text = ''
        self.current_pos = ''
        menu_options = []
        self.menu_in_use = 1  # 1: Main menu, 2: submenu 

        for i in range(1, 21):
            menu_options.append(f'Option {i}')

        self.menu = PyxelMenu(8, 22, menu_options, 10)
        self.menu.set_cursor(color=8)
        self.menu.set_highlight_color(5)

        self.submenu = PyxelMenu(64, 22, limit=10)
        self.submenu.set_cursor(cursor_type='triangle', color=10)

        pyxel.init(240, 120, title='PyxelMenu Example 006: Submenu')

        pyxel.run(self.update, self.draw)

    def update(self):
        if (
            pyxel.btnp(pyxel.KEY_UP) or
            pyxel.btnp(pyxel.GAMEPAD1_BUTTON_DPAD_UP)
        ):
            if self.menu_in_use == 1:
                self.menu.move_up()
            else:
                self.submenu.move_up()
        elif (
            pyxel.btnp(pyxel.KEY_DOWN) or pyxel.btnp(pyxel.GAMEPAD1_BUTTON_DPAD_DOWN)
        ):
            if self.menu_in_use == 1:
                self.menu.move_down()
            else:
                self.submenu.move_down()
        elif (
            (pyxel.btnp(pyxel.KEY_RETURN) or
            pyxel.btnp(pyxel.GAMEPAD1_BUTTON_A) or
            pyxel.btnp(pyxel.GAMEPAD1_BUTTON_START)) and
            self.menu_in_use == 1
        ):
            self.gen_submenu()
            self.submenu.set_cursor_pos(0)
            self.submenu.set_highlight_color(3)
            self.menu.set_highlight_color(7)
            self.menu_in_use = 2
        elif (
            (pyxel.btnp(pyxel.KEY_BACKSPACE) or
            pyxel.btnp(pyxel.GAMEPAD1_BUTTON_B) or
            pyxel.btnp(pyxel.GAMEPAD1_BUTTON_BACK)) and
            self.menu_in_use == 2
        ):
            self.submenu.set_highlight_color(7)
            self.menu.set_highlight_color(5)
            self.menu_in_use = 1

    def draw(self):
        pyxel.cls(0)
        pyxel.text(8, 0, 'Press enter or A or Start button to move to the submenu.', 7)
        pyxel.text(8, 8, 'Press backspace o B or Back/Select button for back.', 7)
        self.menu.draw()
        self.submenu.draw()

    def gen_submenu(self):
        submenu = []
        for i in range(1, 21):
            submenu.append(f'{self.menu.get_current_text()} - {i}')

        self.submenu.set_options(submenu)


if __name__ == '__main__':
    example = Example()