Activate background functionality while modal is active in Bootstrap 4

I have come across similar questions addressing the need to change the following:

.modal-backdrop {
    display: none;
}

However, my modal does not have this .modal-backdrop. I am unsure if this is a new feature in Bootstrap 4, but the mentioned solution did not work for me.

Here is my modal code:

<div class="modal" data-keyboard="false" data-backdrop="false" tabindex="-1" role="dialog">
    <div class="modal-dialog">
        <div class="modal-content">
          <div class="modal-header bg-primary text-white" id="header" style="cursor: move">
            Search
            <button type="button" class="close" data-dismiss="modal" aria-label="Close">
              <span aria-hidden="true">&times;</span>
            </button>
          </div>
          <div class="modal-body">
            <form id="forms">
            </form>
            <hr>
            <div class="container" id="table">
            </div>
          </div>
          <div class="modal-footer">
            <button type="button" class="btn btn-secondary">Export</button>
          </div>
        </div>
    </div>
</div>

I am looking to create a draggable dialog window and I used modal for its central positioning and easy setup of the close button without additional JavaScript. Is modal the correct component for this task, or should I consider using cards?

I am also open to suggestions for external libraries that offer panel-like modules that integrate well with Bootstrap.

Lastly, I am wondering if there is a way to enable the background without making significant changes to the Bootstrap files. Any recommendations?

Answer №1

In this explanation, I will be focusing on the .modal-backdrop element. It is assumed that the draggable aspect has already been addressed using jQuery UI.

When the .modal-backdrop is utilized, it functions as a fixed positioned div covering the entire viewport. This element is inserted before the closing </body> tag when the modal dialog is displayed. By default, it creates a shaded background behind the modal and responds to click events to close the modal if necessary.

By specifying data-backdrop="false", this element is not added to the DOM. As a result, it may appear visually that nothing is positioned behind the modal. Nonetheless, the .modal element, which also covers the entire viewport above the page, acts as a container for the actual .modal-dialog element.

In your specific situation, it is actually the .modal element that obstructs or intercepts user interactions from the remainder of your page. This obstacle can be overcome by using the pointer-events CSS property as follows:

.modal {
    pointer-events: none;
}

Despite this adjustment, the .modal-dialog will continue to receive interactions and operate as intended, while allowing the background page to remain clickable.

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