acsessing QTextEdit from QTabWidget

[ishkabible]

so i'm making a small editor for FASM with Qt, i am building over the Syntax Highlighter Example that the Qt SDK comes with. i have syntax highlighting down and file I/O is going really well but i want to have tabs to mange multiple files at the same time. at first i thought "ok that's easy i just make QTabWidget my central widget and add QTextEdit child's to it." the issue with this is that i cant find a way to access the actual QTextEdit becuase i can only access the QWidget of the tab. im not sure how QTextEdit works witch makes finding a solution some what difficult. if there is a way to alter the actual Widget indexed by each tab as a QTextEdit and maintain all needed information to display them correctly.

here is some code showing my problem, how do i alter the properties of the current widget as a QTextEdit.

void MainWindow::openFile(const QString &path)
{
    QString fileName = path;
    QTextEdit Tabed_Editor(Tabs->currentWidget());
    if (fileName.isNull())
        fileName = QFileDialog::getOpenFileName(this,
                   tr("Open File"), "", "ASM Files (*.asm *.inc);; All(*.*)");
 
    if (!fileName.isEmpty()) {
        QFile file(fileName);
        if (file.open(QFile::ReadOnly | QFile::Text))
            Tabed_Editor.setPlainText(file.readAll()); ///here this will not actully edit the current widit as it is a copy but how else would i edit it?
    }
}

void MainWindow::openFile(const QString &path)
{
    QString fileName = path;
    QTextEdit Tabed_Editor(Tabs->currentWidget());
    if (fileName.isNull())
        fileName = QFileDialog::getOpenFileName(this,
                   tr("Open File"), "", "ASM Files (*.asm *.inc);; All(*.*)");
    
    if (!fileName.isEmpty()) {
        QFile file(fileName);
        if (file.open(QFile::ReadOnly | QFile::Text))
            Tabed_Editor.setPlainText(file.readAll()); ///here this will not actully edit the current widit as it is a copy but how else would i edit it?
    }
}

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[tbscope]

QTextEdit *editor = qobject_cast<QTextEdit *>(Tabs->currentWidget());
 
...
 
editor->setPlainText(...);

QTextEdit *editor = qobject_cast<QTextEdit *>(Tabs->currentWidget());

...

editor->setPlainText(...);

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[ishkabible]

thanks, i thought this would use a template but i had not seen any documentation that would allow for this kind of conversion (i was only looking within the classes them self's), thanks again

[tbscope]

Just a note:
Always check if the object exists after casting and before using it. Otherwise you'll get a crash.