noiz/noiz.py

#!/usr/bin/env python3
import webview
def inject_zoom_shortcuts(window):
    window.evaluate_js(
        """
        document.addEventListener('keydown', function(e) {
            if (!e.ctrlKey) return;
            var key = e.key;
            if (key === '=' || key === '+' || key === '-') {
                e.preventDefault();
                var cur = parseFloat(document.body.style.zoom) || 1;
                if (key === '-') {
                    document.body.style.zoom = Math.max(0.25, +(cur - 0.1).toFixed(2));
                } else {
                    document.body.style.zoom = Math.min(3, +(cur + 0.1).toFixed(2));
                }
            } else if (key === '0') {
                e.preventDefault();
                document.body.style.zoom = 1;
            }
        });
        """
    )
window = webview.create_window("noiz://", "https://bsd.pm/noiz/", zoomable=True)
webview.start(inject_zoom_shortcuts, window)