render.tsx

public render() {
        const headerHeight = 25;
        const titleClass = this.props.isSelected ? "floating-header selected" : "floating-header";
        const widgetConfig = this.props.widgetConfig;
        return (
            <Rnd
                className="floating-widget"
                style={{zIndex: this.props.zIndex}}
                default={{
                    // Shift by 5 pixels to compensate for 5px CSS margins
                    x: widgetConfig.defaultX !== undefined ? widgetConfig.defaultX : this.props.appStore.floatingWidgetStore.defaultOffset + 5,
                    y: widgetConfig.defaultY !== undefined ? widgetConfig.defaultY : this.props.appStore.floatingWidgetStore.defaultOffset,
                    width: widgetConfig.defaultWidth,
                    height: widgetConfig.defaultHeight + headerHeight,
                }}
                resizeGrid={[25, 25]}
                dragGrid={[25, 25]}
                minWidth={widgetConfig.minWidth}
                minHeight={widgetConfig.minHeight + headerHeight}
                bounds={".gl-container"}
                dragHandleClassName={"floating-title"}
                onMouseDown={this.props.onSelected}
            >
                <div className={titleClass}>
                    <div className={"floating-title"}>
                        {widgetConfig.title}
                    </div>
                    {this.props.showPinButton &&
                    <div className="floating-header-button" ref={ref => this.pinElementRef = ref}>
                        <Icon icon={"pin"}/>
                    </div>
                    }
                    {widgetConfig.isCloseable &&
                    <div onMouseDown={this.props.onClosed} className="floating-header-button">
                        <Icon icon={"cross"}/>
                    </div>
                    }
                </div>
                <div className="floating-content">
                    {this.props.children}
                </div>
            </Rnd>
        );
    }