components_example.py

from __future__ import absolute_import

import sys

import pygame
import OpenGL.GL as gl

from imgui.integrations.pygame import PygameRenderer
import imgui


def main():
    pygame.init()

    size = 800, 600

    pygame.display.set_mode(size, pygame.DOUBLEBUF | pygame.OPENGL)

    io = imgui.get_io()
    io.fonts.add_font_default()
    io.display_size = size

    renderer = PygameRenderer()

    while 1:
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                sys.exit()

            renderer.process_event(event)

        imgui.new_frame()

        if imgui.begin_main_menu_bar():
            if imgui.begin_menu("File", True):

                clicked_quit, selected_quit = imgui.menu_item(
                    "Quit", 'Cmd+Q', False, True
                )

                if clicked_quit:
                    exit(1)

                imgui.end_menu()
            imgui.end_main_menu_bar()

        imgui.show_test_window()

        imgui.begin("Custom window", True)
        imgui.text("Bar")
        imgui.text_colored("Eggs", 0.2, 1., 0.)
        imgui.end()

        # note: cannot use screen.fill((1, 1, 1)) because pygame's screen
        #       does not support fill() on OpenGL sufraces
        gl.glClearColor(1, 1, 1, 1)
        gl.glClear(gl.GL_COLOR_BUFFER_BIT)
        imgui.render()

        pygame.display.flip()

if __name__ == "__main__":
    main()