MainWindow.ui (Código)

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>MainWindow</class>
<widget class="QMainWindow" name="MainWindow">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>800</width>
    <height>600</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>Python e Qt 6: PyQt6 QHBoxLayout()</string>
  </property>
  <property name="windowIcon">
   <iconset>
    <normaloff>../../../assets/icons/icon-256x256.png</normaloff>../../../assets/icons/icon-256x256.png</iconset>
  </property>
  <widget class="QWidget" name="central_widget">
   <layout class="QHBoxLayout" name="horizontalLayout">
    <property name="spacing">
     <number>6</number>
    </property>
    <property name="leftMargin">
     <number>9</number>
    </property>
    <property name="topMargin">
     <number>9</number>
    </property>
    <property name="rightMargin">
     <number>9</number>
    </property>
    <property name="bottomMargin">
     <number>9</number>
    </property>
    <item>
     <widget class="QPushButton" name="push_button_01">
      <property name="text">
       <string>Botão 01</string>
      </property>
     </widget>
    </item>
    <item>
     <widget class="QPushButton" name="push_button_02">
      <property name="text">
       <string>Botão 02</string>
      </property>
     </widget>
    </item>
    <item>
     <widget class="QPushButton" name="push_button_03">
      <property name="text">
       <string>Botão 03</string>
      </property>
     </widget>
    </item>
   </layout>
  </widget>
  <widget class="QMenuBar" name="menubar">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
     <width>800</width>
     <height>24</height>
    </rect>
   </property>
  </widget>
  <widget class="QStatusBar" name="statusbar"/>
</widget>
<resources/>
<connections/>
</ui>