Comix Fit Width

Fix fit width for comix

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Comix Fit Width
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Fix fit width for comix
// @author       NakunaruZeno
// @license      MIT
// @match        https://comix.to/title/*
// @run-at       document-idle
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    let isFitWidth = localStorage.getItem('manga_fit_width') !== 'false';
    let fitScale = parseInt(localStorage.getItem('manga_fit_scale'));
    if (isNaN(fitScale) || fitScale < 30) fitScale = 100;

    const styleEl = document.createElement('style');
    styleEl.innerHTML = `

        body.force-fit #app-root .rpage.rpage--pb-left { padding-left: 0 !important; }


        body.force-fit #app-root .rpage {
            --rpage-max-w: var(--manga-w) !important;
            max-width: var(--manga-w) !important;
            width: 100% !important;
            margin: 0 auto !important;
            display: flex !important;
            flex-direction: column !important;
            align-items: center !important;
        }

        body.force-fit #app-root .rpage-main,
        body.force-fit #app-root .rpage-swiper,
        body.force-fit #app-root .swiper-wrapper {
            width: 100% !important;
            max-width: 100% !important;
        }

        body.force-fit #app-root .swiper-slide {
            overflow-y: auto !important;
            overflow-x: hidden !important;
            height: 100vh !important;
            height: 100dvh !important;
            width: 100% !important;
            display: flex !important;
            justify-content: center !important;
            align-items: flex-start !important;
        }

        body.force-fit #app-root .rpage-view,
        body.force-fit #app-root .swiper-zoom-container,
        body.force-fit #app-root .rpage-zoom-container,
        body.force-fit #app-root .rpage-page {
            width: 100% !important;
            max-width: 100% !important;
            height: auto !important;
            min-height: unset !important;
            margin: 0 auto !important;
            align-items: flex-start !important;
            flex-shrink: 0 !important;
        }

        body.force-fit #app-root .rpage-page__img,
        body.force-fit #app-root canvas.rpage-page__img {
            width: 100% !important;
            max-width: 100% !important;
            height: auto !important;
            display: block !important;
            object-fit: contain !important;
            margin: 0 auto !important;
        }

        body.force-fit #app-root .swiper-slide::-webkit-scrollbar { width: 5px; }
        body.force-fit #app-root .swiper-slide::-webkit-scrollbar-thumb { background: #2ecc71; border-radius: 10px; }
    `;
    document.head.appendChild(styleEl);
    const panel = document.createElement('div');
    Object.assign(panel.style, {
        position: 'fixed', bottom: '80px', right: '20px', zIndex: '99999',
        backgroundColor: '#1e272e', padding: '10px', borderRadius: '8px',
        boxShadow: '0 4px 15px rgba(0,0,0,0.5)', display: 'flex', flexDirection: 'column',
        gap: '8px', alignItems: 'center', fontFamily: 'monospace', color: '#fff', userSelect: 'none'
    });

    const toggleBtn = document.createElement('button');
    Object.assign(toggleBtn.style, {
        width: '100%', padding: '6px 12px', fontSize: '11px', fontWeight: 'bold',
        border: 'none', borderRadius: '4px', cursor: 'pointer', transition: 'background 0.2s'
    });

    const sliderContainer = document.createElement('div');
    sliderContainer.style.display = 'flex';
    sliderContainer.style.alignItems = 'center';
    sliderContainer.style.gap = '6px';

    const label = document.createElement('span');
    Object.assign(label.style, { fontSize: '11px', minWidth: '35px', textAlign: 'right' });

    const slider = document.createElement('input');
    slider.type = 'range'; slider.min = '30'; slider.max = '100'; slider.value = fitScale;
    Object.assign(slider.style, { width: '80px', cursor: 'pointer', accentColor: '#2ecc71' });

    function createBtn(text) {
        const b = document.createElement('button');
        b.textContent = text;
        Object.assign(b.style, { background: '#3d3d3d', color: '#fff', border: 'none', borderRadius: '3px', width: '20px', height: '20px', cursor: 'pointer', fontSize: '12px', lineHeight: '1' });
        return b;
    }
    const btnMinus = createBtn('-');
    const btnPlus = createBtn('+');

    sliderContainer.append(btnMinus, slider, btnPlus, label);
    panel.append(toggleBtn, sliderContainer);
    document.body.appendChild(panel);

    function updatePanelUI() {
        toggleBtn.textContent = isFitWidth ? 'Width: FIT' : 'Width: DEF';
        toggleBtn.style.backgroundColor = isFitWidth ? '#2ecc71' : '#7f8c8d';
        sliderContainer.style.visibility = isFitWidth ? 'visible' : 'hidden';
        sliderContainer.style.height = isFitWidth ? 'auto' : '0px';
        label.textContent = fitScale + '%';
    }

    function unlockScroll(e) {
        if (isFitWidth) e.stopPropagation();
    }

    function applySettings() {
        const screenWidth = document.documentElement.clientWidth || window.innerWidth;
        const targetPx = Math.floor(screenWidth * (fitScale / 100));

        document.documentElement.style.setProperty('--manga-w', targetPx + 'px');

        if (isFitWidth) {
            document.body.classList.add('force-fit');

            window.addEventListener('wheel', unlockScroll, {capture: true, passive: true});
            window.addEventListener('touchmove', unlockScroll, {capture: true, passive: true});

            const nativeRange = document.querySelector('.rpage-zoom__range');
            if (nativeRange) {
                nativeRange.setAttribute('max', '9999');
                nativeRange.value = targetPx;
            }
        } else {
            document.body.classList.remove('force-fit');
            window.removeEventListener('wheel', unlockScroll, {capture: true});
            window.removeEventListener('touchmove', unlockScroll, {capture: true});
        }
        setTimeout(() => window.dispatchEvent(new Event('resize')), 50);
    }
    let currentActiveSlide = null;
    const activeSlideObserver = new MutationObserver((mutations) => {
        if (!isFitWidth) return;
        for (let mutation of mutations) {
            if (mutation.attributeName === 'class' && mutation.target.classList) {
                if (mutation.target.classList.contains('swiper-slide-active')) {
                    if (currentActiveSlide !== mutation.target) {
                        currentActiveSlide = mutation.target;
                        currentActiveSlide.scrollTop = 0;
                    }
                }
            }
        }
    });
    activeSlideObserver.observe(document.body, {
        attributes: true,
        attributeFilter: ['class'],
        subtree: true
    });
    toggleBtn.addEventListener('click', () => {
        isFitWidth = !isFitWidth;
        localStorage.setItem('manga_fit_width', isFitWidth);
        updatePanelUI();
        applySettings();
    });

    slider.addEventListener('input', (e) => {
        fitScale = parseInt(e.target.value);
        label.textContent = fitScale + '%';
        applySettings();
    });

    slider.addEventListener('change', () => {
        localStorage.setItem('manga_fit_scale', fitScale);
    });

    btnMinus.addEventListener('click', () => {
        fitScale = Math.max(30, fitScale - 5);
        slider.value = fitScale;
        localStorage.setItem('manga_fit_scale', fitScale);
        label.textContent = fitScale + '%';
        applySettings();
    });

    btnPlus.addEventListener('click', () => {
        fitScale = Math.min(100, fitScale + 5);
        slider.value = fitScale;
        localStorage.setItem('manga_fit_scale', fitScale);
        label.textContent = fitScale + '%';
        applySettings();
    });

    const observer = new MutationObserver(() => applySettings());
    observer.observe(document.body, { childList: true, subtree: true });

    updatePanelUI();
    applySettings();
})();