Qt-如何从QListWidget绘制文本

Question

Am Learning to do something with QListWidget. I have a QListWidget, QTextEdit , 2 QPushButtons (Add & Remove Buttons) and a QWidget for drawing the Text in it. When i enter a text in the QTextEdit and Click's the Add Button, the text has to add in the QListWidget . And from that QListWidget, i select any item and click's the Remove Button, the item has to be removed from the QListWidget . Then i want to draw this QListWidget Items in the QWidget and this drawed items has to scroll from Right to left. How can i do this? Plz help me...

Answer 1

//In the constructor
WidgetString = "";

On_add_button_Clicked() //SLOT
{
 listwidget->addItem(lineedit->text());

}

On_Remove_Button_clicked() //SLOT
{
 listWidget->takeItem(listWidget->currentIndex());
 //You may have to delete the the item taken in order to put that change into effect.
 //Trigger paintevent
}

on_listWidget_currentTextChanged(QString currentText) //SLOT
{
 WidgetString = currentText;
}

paintevent()
{
 QPainter painter(Your_Qwidget);
 painter.drawText ( int xPos, int YPos, WidgetString )
 update();
}

For the Scrollbar thing, you may need to increase the Text size you are going to Draw.