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Whenever I use a GtkBox to hold a WebKitWebView, it does not display on screen. However when directly appending the WebKitWebView as the child of the window, it does.

This works:

GtkWidget *webviewWidget = webkit_web_view_new();
WebKitWebView *webview = WEBKIT_WEB_VIEW(webviewWidget);

webkit_web_view_load_uri(webview, "https://www.example.com");

gtk_window_set_child(window, webviewWidget);

However, this does not (appear to):

GtkWidget *horizontalBoxWidget = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
GtkBox *horizontalBox = GTK_BOX(horizontalBoxWidget);

GtkWidget *webviewWidget = webkit_web_view_new();
WebKitWebView *webview = WEBKIT_WEB_VIEW(webviewWidget);

gtk_box_append(horizontalBox, webviewWidget);

webkit_web_view_load_uri(webview, "https://www.example.com");

gtk_window_set_child(window, horizontalBoxWidget);

I was looking here for documentation: https://docs.gtk.org/gtk4/#classes.

(Was intending to add another element to the box later)

Improve this question
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  • @3CEZVQ That doesn't seem to be a method, maybe it was previously...? I was using gtk_window_present(window); at the end. Commented Jul 29 at 2:37
  • Didn't realize because I didn't need to beforehand, but a size must explicitly be set via gtk_widget_set_size_request(horizontalBoxWidget, 400, 400); or some other method. The widget doesn't automatically expand. Commented Jul 29 at 17:20
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