how to create special characters and insert into strings

[mzimmers]

I need to represent some temperature readings, and need the degree symbol. My search effort, surprisingly didn't turn up anything. Can someone please show me the light?

One suggestion I tried was using the B0 code, but when I assign "\uB0" I get an "Expected token ';'" error.

Thanks...

[hskoglund]

Hi, B0 code should work, but you need to go through some hoops for the compiler to be happy, try something like:

QString sDegree = u8"\u00B0";
QString sMessage = "Hello " + sDegree + " world";
ui->label->setText(sMessage);

should display:

[mzimmers]

@hskoglund thanks for the answer; this appears to be a viable C++ solution. Any idea how I can apply this to QML?

[hskoglund]

Hi, try:

import QtQuick 2.12
import QtQuick.Window 2.12
import QtQuick.Controls 2.5

Window {
    width: 640
    height: 480
    visible: true
    title: qsTr("Hello World")

    Label {
        text: qsTr("It's 25\u00B0 outside.")
        anchors.centerIn: parent
    }
}

[mzimmers]

Beautiful! Thank you for the suggestion.

BTW: the wrapping of the text in qsTr() is what did the trick...without it, I get the error I mentioned above.

[JKSH]

@mzimmers said in how to create special characters and insert into strings:

BTW: the wrapping of the text in qsTr() is what did the trick...without it, I get the error I mentioned above.

Works fine for me without qsTr() on Qt 5.14.1

import QtQuick 2.12
import QtQuick.Window 2.12
import QtQuick.Controls 2.5

Window {
    width: 640
    height: 480
    visible: true
    title: qsTr("Hello World")

    Label {
        text: "It's 25\u00B0 outside."
        anchors.centerIn: parent
    }
}

[qtprogrammer123]

You can just copy->paste from some char base

[KroMignon]

@mzimmers said in how to create special characters and insert into strings:

BTW: the wrapping of the text in qsTr() is what did the trick...without it, I get the error I mentioned above.

It depends which text encoding you have used to store your source files.
If you are using "UTF-8", then all literal strings are UTF-8 encoded, then it also works without qsTr().

[mzimmers]

Interesting...it wasn't working without the qsTr() on my laptop (Windows 10 running WSL) but it does work on my work desktop (essentially the same configuration). I think I'll leave it in, JIC.

[Paul_Friesen]

Easy way - QChar has a constructor that takes unicode.

QChar sdegree(0x00B0);