doorgo/testdoor/about.go

package main

import (
	"bytes"
	"fmt"
	"red-green/door"
	"strings"

	"github.com/mitchellh/go-wordwrap"
)

func about_test_door(d *door.Door) {
	var W int = 58
	// We're colliding with MemStats window.

	// (80 - 60) / 2 = 10
	var center_x int = (door.Width - W) / 2

	// MaxX = 80 - 20 = 60

	if MaxX < center_x+W {
		// Problem.
		center_x = (MaxX - W) / 2
		if center_x < 0 {
			//Problem #2
			W = 48
			center_x = (MaxX - W) / 2
		}
	}

	var center_y int = (door.Height - 16) / 2
	var about door.Panel = door.Panel{X: center_x,
		Y:           center_y,
		Width:       W,
		Style:       door.SINGLE_DOUBLE,
		BorderColor: door.ColorText("BOLD YELLOW ON BLUE"),
	}

	about.Lines = append(about.Lines, &door.Line{Text: bytes.NewBuffer([]byte(fmt.Sprintf("%*s", -W, "About This Door"))),
		DefaultColor: door.ColorText("BOLD CYAN ON BLUE")})
	about.Lines = append(about.Lines, about.Spacer())

	about.Lines = append(about.Lines, &door.Line{Text: bytes.NewBuffer([]byte(fmt.Sprintf("%*s", -W, "Test Door written in go, using go door.")))})
	var copyright string = "(C) 2022 Bugz, Red Green Software"

	if door.Unicode {
		copyright = strings.Replace(copyright, "(C)", "\u00a9", -1)
	}

	about.Lines = append(about.Lines,
		&door.Line{Text: bytes.NewBuffer([]byte(copyright)), Width: W,
			DefaultColor: door.ColorText("BOLD WHITE ON BLUE")})
	for _, text := range []string{"",
		"This door was written by Bugz.",
		""} {
		about.Lines = append(about.Lines, &door.Line{Text: bytes.NewBuffer([]byte(text)), Width: W})
	}

	var mainText string = "It is written in Go, detects CP437/unicode, detects screen " +
		"size, supports door.sys & door32.sys, supports TheDraw Fonts " +
		"(the fonts are compiled into the door), has NoMoreSecrets " +
		"and SpinRite effects, and runs on Linux " +
		"and sometimes even Windows..."
	var wrapped string = wordwrap.WrapString(mainText, uint(W))
	for _, text := range strings.Split(wrapped, "\n") {
		about.Lines = append(about.Lines, &door.Line{Text: bytes.NewBuffer([]byte(text)), Width: W})
	}

	var better door.NoMoreSecretsConfig = door.NoMoreSecretsDefault
	better.Jumble_Loop_Speed = 75  // 35
	better.Reveal_Loop_Speed = 100 // 50
	better.Color = door.ColorText("BRI CYAN ON BLUE")

	door.NoMoreSecrets(about.Output(), d, &better)
}