Function keydown

Picviewer CE+/dist.user.js:27395–27438

(event)

        let keypressing = false;
        function keydown(event) {

            //if (ImgWindowC.showing) return;
            if (gallery && gallery.shown) return;
            if (inputActive(document)) {
                return;
            }
            var key = event.key;
            if(checkGlobalKeydown(event)){
                if (!keypressing) {
                    globalMouseoverHandler(event);
                    keypressing = true;
                }
                if(prefs.floatBar.keys.enable && key==prefs.floatBar.keys.gallery){
                    openGallery();
                    event.stopPropagation();
                    event.preventDefault();
                    globalFuncEnabled = !globalFuncEnabled;
                    return true;
                }else if((!gallery || (!gallery.shown && !gallery.minimized)) && prefs.floatBar.globalkeys.type == "press"){
                    globalFuncEnabled = !globalFuncEnabled;
                    return true;
                }
            }
            if (!prefs.floatBar.keys.enable){
                return false;
            }

            if (event) {
                if (event.ctrlKey || event.metaKey) {
                    return false;
                }
                if (window.getSelection().toString()) return false;
            }
            if (floatBar && isKeyDownEffectiveTarget(event.target)) {
                Object.keys(prefs.floatBar.keys).some(function(action) {
                    if (action == 'enable' || action == 'search') return;
                    if (key == prefs.floatBar.keys[action]) {
                        floatBar.open(event, action);
                        return true;
                    }
                });
            }
        }

        function keyup(event) {
            keypressing = false;