I would like to promote two widgets: the QTextEdit and QTextBrowser to paint something in the background.
I successfully promoted the QTextEdit. But I can't get the QTextBrowser done. I tried to promote the QTextBrowser to Display Class.
This is the code:
class Display : public QTextBrowser
{
Q_OBJECT
public:
Display(QWidget* parent = 0);
};
Display::Display(QWidget* parent):QTextBrowser(parent)
{
qDebug() <<"Hello. I am Display";
}
In the designer. It seems to be promoted but it doesn't do anything.
Then I change something for testing. I promote the QTextBrowser to Foo with header foo.h which does not exist anywhere in my project. Surprisingly, it let me do so. I rebuild the project and open the ui_mainwindow.h. I can see these code:
#include "foo.h"
................
foo *textBrowerOutput;
................
textBrowerOutput = new foo(centralWidget);
textBrowerOutput->setObjectName(QStringLiteral("textBrowerOutput"));
textBrowerOutput->setFont(font6);
My program runs perfectly despite the QTextBrowser works as default. I don't understand why my promotion is not working. At the same time, I don't understand how foo can complie without error.
