How to make QWebView background translucent

My goal is to make the background of a QWebView element transparent.

+---------------------------+
| x | Window title          | <<< Hidden borders and title bar
+---------------------------+     view->setWindowFlags(Qt::FramelessWindowHint);
|                           |
|     ******************    |   
|    ********************<--|------- This is the HTML side (a rectangle with
|     ******************    |        rounded corners)
|                         <-|-- with transparent background that must
+---------------------------+   remain transparent for the desktop window

I have researched how to set a transparent background for the webview and came across this code snippet:

QPalette pal = view->palette();
pal.setBrush(QPalette::Base, Qt::transparent);
view->page()->setPalette(pal);
view->setAttribute(Qt::WA_OpaquePaintEvent, false);

Unfortunately, the above code is not working as intended. Here is how my window currently appears:

The issue lies in the gray part needing to be transparent. How can I resolve this?

I am using the following code to remove window decorations.

view->setWindowFlags(Qt::FramelessWindowHint);

Answer №1

This solution fits perfectly for my needs:

view->setStyle("background:clear");
view->setAttribute(Qt::WA_TransparentBackground);

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