UI file Custom Widget Class Name Generating Issue

[Caagalar]

Hello,

I've been testing Qt almost two weeks. I prefer to use Cmake and Visual Studio Code for the development.
I prefer to use my class name which start with capital letter. You can see the UI file relevant parts

<customwidget>
   <class>RenderArea</class>
   <extends>QWidget</extends>
   <header>renderarea.h</header>
   <container>1</container>
  </customwidget>
 </customwidgets>

But everytime cmake generate the header file with lower name like that.
Take a look at the renderarea class name

/********************************************************************************
** Form generated from reading UI file 'mainwindow.ui'
**
** Created by: Qt User Interface Compiler version 5.12.1
**
** WARNING! All changes made in this file will be lost when recompiling UI file!
********************************************************************************/

#ifndef UI_MAINWINDOW_H
#define UI_MAINWINDOW_H

#include <QtCore/QVariant>
#include <QtWidgets/QApplication>
#include <QtWidgets/QMainWindow>
#include <QtWidgets/QMenuBar>
#include <QtWidgets/QStatusBar>
#include <QtWidgets/QToolBar>
#include <QtWidgets/QWidget>
#include "renderarea.h"

QT_BEGIN_NAMESPACE

class Ui_MainWindow
{
public:
    QWidget *centralWidget;
    renderarea *renderWidget;
    QMenuBar *menuBar;
    QToolBar *mainToolBar;
    QStatusBar *statusBar;

    void setupUi(QMainWindow *MainWindow)
    {
        if (MainWindow->objectName().isEmpty())
            MainWindow->setObjectName(QString::fromUtf8("MainWindow"));
        MainWindow->resize(834, 595);
        centralWidget = new QWidget(MainWindow);
        centralWidget->setObjectName(QString::fromUtf8("centralWidget"));
        renderWidget = new renderarea(centralWidget);
        renderWidget->setObjectName(QString::fromUtf8("renderWidget"));
        renderWidget->setGeometry(QRect(100, 70, 251, 211));
        MainWindow->setCentralWidget(centralWidget);
        menuBar = new QMenuBar(MainWindow);
        menuBar->setObjectName(QString::fromUtf8("menuBar"));
        menuBar->setGeometry(QRect(0, 0, 834, 21));
        MainWindow->setMenuBar(menuBar);
        mainToolBar = new QToolBar(MainWindow);
        mainToolBar->setObjectName(QString::fromUtf8("mainToolBar"));
        MainWindow->addToolBar(Qt::TopToolBarArea, mainToolBar);
        statusBar = new QStatusBar(MainWindow);
        statusBar->setObjectName(QString::fromUtf8("statusBar"));
        MainWindow->setStatusBar(statusBar);

        retranslateUi(MainWindow);

        QMetaObject::connectSlotsByName(MainWindow);
    } // setupUi

    void retranslateUi(QMainWindow *MainWindow)
    {
        MainWindow->setWindowTitle(QApplication::translate("MainWindow", "MainWindow", nullptr));
    } // retranslateUi

};

namespace Ui {
    class MainWindow: public Ui_MainWindow {};
} // namespace Ui

QT_END_NAMESPACE

#endif // UI_MAINWINDOW_H

Is there any proper solution for this ? My cmake configuration automoc is on btw.

set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTOUIC ON)

[Christian Ehrlicher]

The ui file is not generated by cmake but by uic.
Please show us your complete ui file.

[Caagalar]

When I changed widget class="renderarea" to widget class="RenderArea" , the problem is fixed. But I still don't get it. I'm sure that the header file name and class name entered correclly from Design Tools. Why this is happening ?

<property name="windowTitle">
   <string>MainWindow</string>	   <string>MainWindow</string>
  </property>	  </property>
  <widget class="QWidget" name="centralWidget"/>	  
<widget class="QWidget" name="centralWidget">
   <widget class="renderarea" name="renderWidget" native="true">
    <property name="geometry">
     <rect>
      <x>100</x>
      <y>70</y>
      <width>251</width>
      <height>211</height>
     </rect>
    </property>
   </widget>
  </widget>
  <widget class="QMenuBar" name="menuBar">	  <widget class="QMenuBar" name="menuBar">
   <property name="geometry">	   <property name="geometry">
    <rect>	    <rect>
@@ -35,6 +46,14 @@
  <widget class="QStatusBar" name="statusBar"/>	  <widget class="QStatusBar" name="statusBar"/>
 </widget>	 </widget>
 <layoutdefault spacing="6" margin="11"/>	 <layoutdefault spacing="6" margin="11"/>
 <customwidgets>
  <customwidget>
   <class>RenderArea</class>
   <extends>QWidget</extends>
   <header>renderarea.h</header>
   <container>1</container>
  </customwidget>
 </customwidgets>
 <resources/>	
 <resources/>
 <connections/>	
 <connections/>
</ui>	
</ui>

[Christian Ehrlicher]

Maybe you first named it 'renderarea'? I would un-promote the widget and re-promote it to be sure the correct class name is used.