retrogeekreloaded/functions.php

<?php
	/**
	  ****************************************************************************
	  ** RETROGEEK RELOADED SOURCE FILE                                         **
	  ** Copyright (c) 2021-2022 Tuxlog                                         **
	  ** Copyright (c) 2024 JeremyStarTM & Contributors                         **
	  ** Licensed under the GNU General Public License v3                       **
	  ****************************************************************************
	  ** This program is free software: you can redistribute it and/or modify   **
	  ** it under the terms of the GNU General Public License as published by   **
	  ** the Free Software Foundation, either version 3 of the License, or      **
	  ** (at your option) any later version.                                    **
	  **                                                                        **
	  ** This program is distributed in the hope that it will be useful,        **
	  ** but WITHOUT ANY WARRANTY; without even the implied warranty of         **
	  ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          **
	  ** GNU General Public License for more details.                           **
	  **                                                                        **
	  ** You should have received a copy of the GNU General Public License      **
	  ** along with this program.  If not, see <https://www.gnu.org/licenses/>. **
	  ****************************************************************************
	  ** functions.php (Shared functions)                                       **
	  **                                                                        **
	  ** This source file contains various functions that are referenced by     **
	  ** other source files.                                                    **
	  ****************************************************************************
  */
?>
<?php
if(! isset($content_width)) {
	$content_width = 960;
}

// include ascii art needed functions and classes.
require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php';
require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-direct.php';
require_once 'inc/class-retrogeek-text-figlet.php';

/**
 *  UTF-8 convert to FIGlet Unicode
 *
 *  @param string $str String in UTF8 to convert to ASCII-Art.
 */
function retrogeek_utf8tofiglet($str) {
	// escape %u.
	$str = str_replace('%u', sprintf('%%%%u%04X', ord('u')), $str);

	if(function_exists('iconv')) {
		$str = iconv('utf-8', 'ucs-2be', $str);
		$out = '';

		for($i = 0, $len = strlen($str); $i < $len; $i++) {
			$code = ord($str[ $i++ ]) * 256 + ord($str[ $i ]);

			$out .= $code < 128 ? $str[ $i ] : sprintf('%%u%04X', $code);
		}
		return $out;
	}

	return $str;
}

// load customizer stuff.
require_once 'inc/class-retrogeek-customize.php';

// Setup the Theme Customizer settings and controls...if on admin page.
add_action('customize_register', array('RetroGeek_Customize', 'register'));

/**
 * Add all the theme supported features.
 */
function retrogeek_theme_support() {
	// add theme support features.
	add_theme_support('title-tag');

	// add support for background color.
	$retrogeek_args = array(
		'default-color' => '#232323',
	);
	add_theme_support('custom-background', $retrogeek_args);

	// add support for feed links.
	add_theme_support('automatic-feed-links');

	// add support for post thumbnails.
	add_theme_support('post-thumbnails');

	// add support for custom-header.
	$retrogeek_args1 = array(
		'default-text-color' => '#00ff00',
		'width'              => 900,
		'height'             => 150,
		'flex-width'         => true,
		'flex-height'        => true,
	);
	add_theme_support('custom-header', $retrogeek_args1);

	$retrogeek_args2 = array(
		'width'                => 170,
		'height'               => 150,
		'flex-width'           => true,
		'flex-height'          => true,
		'header-text'          => array('site-title', 'site-description'),
		'unlink-homepage-logo' => true,
	);
	add_theme_support('custom-logo', $retrogeek_args2);
}
add_action('after_setup_theme', 'retrogeek_theme_support');

/**
 * Sets up theme defaults and registers support for various WordPress features.
 */
function retrogeek_editor_styles_setup() {
	$m1 = esc_attr(get_theme_mod('textcolor', '#00ff00'));
	$m2 = esc_attr(get_theme_mod('link_textcolor', '#74f774'));
	$m3 = esc_attr(get_theme_mod('background_color', '#232323'));

	add_theme_support(
		'editor-color-palette',
		array(
			array(
				'name'  => 'retrogeek background color',
				'slug'  => 'retrogeek-background',
				'color' => $m3,
			),
			array(
				'name'  => 'retrogeek foreground color',
				'slug'  => 'retrogeek-foreground',
				'color' => $m1,
			),
			array(
				'name'  => 'retrogeek link color',
				'slug'  => 'retrogeek-link',
				'color' => $m2,
			),
		)
	);

	// Add support for editor styles.
	add_theme_support('editor-styles');

	// Enqueue editor styles.
	add_editor_style('assets/css/editor-styles.css');
}
add_action('after_setup_theme', 'retrogeek_editor_styles_setup');

/**
 *  This functions echos the CSS vars used from customizer for the WordPress editor.
 **/
function retrogeek_css_admin_vars() {
	$css_str = RetroGeek_Customize::header_output();
	echo '<style>' . esc_attr($css_str) . '</style>';
}
add_action('admin_head', 'retrogeek_css_admin_vars');


/**
 *  Enqueue style sheets.
 */
function retrogeek_add_theme_scripts() {
	wp_enqueue_script('retrogeek-javascript', get_template_directory_uri() . '/assets/js/retrogeek_func.js', false, 42, true);
	wp_enqueue_style('retrogeek-normalize', get_template_directory_uri() . '/assets/css/normalize.css', false, '42', 'all');
	wp_enqueue_style('retrogeek-skeleton', get_template_directory_uri() . '/assets/css/skeleton.css', 'retrogeek-normalize', '42', 'all');
	wp_enqueue_style('retrogeek-style', get_template_directory_uri() . '/style.css', 'retrogeek-skeleton', '42', 'all');

	// Output custom CSS to site.
	$css_str = RetroGeek_Customize::header_output();
	wp_add_inline_style('retrogeek-skeleton', $css_str, 'after');

	if(is_singular() && comments_open() && get_option('thread_comments')) {
		wp_enqueue_script('comment-reply');
	}
}
add_action('wp_enqueue_scripts', 'retrogeek_add_theme_scripts');

/**
 *  Remove invalid html from WordPress.
 *
 * @param string $content HTML string to sanitize.
 */
function retrogeek_sanitize_pagination($content) {
	// Remove role attribute.
	$content = str_replace('role="navigation"', '', $content);

	// Remove h2 tag.
	$content = preg_replace('#<h2.*?>(.*?)<\/h2>#si', '', $content);

	return $content;
}
add_action('navigation_markup_template', 'retrogeek_sanitize_pagination');


/**
 * Register main menu.
 */
function retrogeek_register_main_menu() {
	register_nav_menu('primary', __('Mainmenu', 'retrogeek'));
}
add_action('init', 'retrogeek_register_main_menu');


// include widget classes.
require_once 'inc/class-retrogeek-ticker-widget.php';

/**
 * Register our footer widget area and widgets.
 */
function retrogeek_widgets_init() {

	register_sidebar(
		array(
			'name'          => __('Footer left', 'retrogeek'),
			'id'            => 'rg_footer_left',
			'before_widget' => '<div>',
			'after_widget'  => '</div>',
			'before_title'  => '<h5 class="rounded">',
			'after_title'   => '</h5>',
		)
	);

	register_sidebar(
		array(
			'name'          => __('Footer middle', 'retrogeek'),
			'id'            => 'rg_footer_middle',
			'before_widget' => '<div>',
			'after_widget'  => '</div>',
			'before_title'  => '<h5 class="rounded">',
			'after_title'   => '</h5>',
		)
	);

	register_sidebar(
		array(
			'name'          => __('Footer right', 'retrogeek'),
			'id'            => 'rg_footer_right',
			'before_widget' => '<div>',
			'after_widget'  => '</div>',
			'before_title'  => '<h5 class="rounded">',
			'after_title'   => '</h5>',
		)
	);

	// register widgets.
	register_widget('retrogeek_ticker_widget');
}
add_action('widgets_init', 'retrogeek_widgets_init');

/**
 * Add search form to the right of the menubar
 *
 * @param array $items array of Menuiitems.
 * @param array $args special arguments for menu.
 */
function retrogeek_add_search_form_to_menu($items, $args) {
	$rg_show_searchform = get_theme_mod('rg_homepage_searchform', true);

	// If this isn't the main navbar menu or searchform is disabled, do nothing.
	if(!('primary' === $args->theme_location) || ! $rg_show_searchform) { // with Customizr Pro 1.2+ and Cusomizr 3.4+ you can chose to display the saerch box to the secondary menu, just replacing 'main' with 'secondary'.
		return $items;
	} else {
		// On main menu: put styling around search and append it to the menu items.
		return $items . '<li class="my-nav-menu-search">' . get_search_form(false) . '</li>';
	}
}

// As of 3.1.10, Customizr doesn't output an html5 form.
add_theme_support('html5', array('search-form'));

add_filter('wp_nav_menu_items', 'retrogeek_add_search_form_to_menu', 10, 2);

/**
 * Return the ASCII-Logo string depending on the customizer setting.
 */
function retrogeek_get_asciilogo() {
	$asciilogo = get_theme_mod('rg_logo_radio', 'snail');
	if('snail' === $asciilogo) {
		$asciilogo_string = <<<ALS
     .----.   @   @
   / .-"-.`.  \\v/
   | | '\ \ \_/)
 ,-\ `-.' /.'  /
'---`----'----'
ALS;
	}
	if('kilroy' === $asciilogo) {
		$asciilogo_string = <<<ALS
        \\//
      -(@ @)-
--oOO-- (_)-- OOo--
Kilroy was here
ALS;
	}
	if('tux' === $asciilogo) {
		$asciilogo_string = <<<ALS
    .--.
   |o_o |
   |:_/ |
  //   \ \
 (|     |)
/'\_   _/`\
\___)=(___/
ALS;
	}
	if('none' === $asciilogo) {
		$asciilogo_string = '&nbsp;';
	}
	if('user' === $asciilogo) {
		$asciilogo_string = get_theme_mod('rg_logo_userdefined', '');
	}

	return $asciilogo_string;
}