How to change color of title in installation?

narae

I want to change color of title in installation.
at config. xml(https://doc.qt.io/qtinstallerframework/qt-installer-framework-stylesheet-example.html)

<TitleColor>#FFFFFF</TitleColor>

: Color of title in installation screen is white.

I create controller.qs

function Controller()
{
    
}

Controller.prototype.IntroductionPageCallback = function()
{
    var widget = gui.currentPageWidget();
    if(widget != null){
        widget.title = "New title";
        widget.MessageLabel.setText("New Message");
    }
}

config.xml (https://doc.qt.io/qtinstallerframework/noninteractive.html)

<TitleColor>#123456</TitleColor>
<ControlScript>controller.qs</ControlScript>

Then only the title color of the IntroductionPage is black.
How can I change color of title in IntroductionPage to white?

++
I consider to use style sheet, but I couldn't find element for color of title.
(https://doc.qt.io/qt-5/stylesheet-reference.html)

Bonnie

What do you exactly want?
I'm very confused by your description...
Do you mean you want the title to be white in the IntroductionPage but black in other pages?

narae

@Bonnie No, the title color of all pages must be white. But after adding controller.qs, IntroductionPage's title color is black. The title changes to "New Title" in controller.qs.

Bonnie

@narae
Then do you have to change the title text?
If you don't change it, it will be white.

narae

@Bonnie Yes, I need to change text of title.

Bonnie

@narae
Ok.
Actually the installer set the title color by using rich text (html code).
So you can do the same

widget.title = "<font color=\"#FFFFFF\">New title</font>";

narae

@Bonnie Thanks for you answer. It works.