我正在接受有关QT的旧在线培训,培训师的接缝不再可及,因此也许有人可以启发我,在此培训中,制作了一个小的图形窗口来绘制图形。有一个用于按钮的区域(用于选择形状)和一个用于绘制的区域。现在,在此过程中,他可以调整主窗体的大小,并且当他执行此操作时,可以使用该窗体调整这些区域的大小。我完全按照课程学习,但是由于我没有这种行为,因此本课程中缺少某些内容。我想知道如何使用QTcreator(v4.71)来获得这种行为,
我在下面包含.ui文件的代码:
<?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>417</width>
<height>440</height>
</rect>
</property>
<property name="windowTitle">
<string>Main Window</string>
</property>
<widget class="QWidget" name="centralWidget">
<widget class="QWidget" name="">
<property name="geometry">
<rect>
<x>20</x>
<y>30</y>
<width>381</width>
<height>381</height>
</rect>
</property>
<layout class="QHBoxLayout" name="horizontalLayout">
<item>
<widget class="RenderArea" name="renderArea" native="true">
<property name="sizePolicy">
<sizepolicy hsizetype="Expanding" vsizetype="Expanding">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<layout class="QGridLayout" name="gridLayout">
<item row="0" column="0">
<spacer name="horizontalSpacer">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item row="0" column="1">
<layout class="QVBoxLayout" name="verticalLayout">
<item>
<widget class="QPushButton" name="btnAstroid">
<property name="text">
<string>Astroid</string>
</property>
</widget>
</item>
<item>
<widget class="QPushButton" name="btnCycloid">
<property name="text">
<string>Cycloid</string>
</property>
</widget>
</item>
<item>
<widget class="QPushButton" name="btnHuygens">
<property name="text">
<string>Huygens</string>
</property>
</widget>
</item>
<item>
<widget class="QPushButton" name="btnHypo">
<property name="text">
<string>Hypo Cycloid</string>
</property>
</widget>
</item>
<item>
<spacer name="verticalSpacer">
<property name="orientation">
<enum>Qt::Vertical</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>20</width>
<height>40</height>
</size>
</property>
</spacer>
</item>
</layout>
</item>
</layout>
</widget>
</item>
</layout>
</widget>
</widget>
<widget class="QStatusBar" name="statusBar"/>
</widget>
<layoutdefault spacing="6" margin="11"/>
<customwidgets>
<customwidget>
<class>RenderArea</class>
<extends>QWidget</extends>
<header>renderarea.h</header>
<container>1</container>
</customwidget>
</customwidgets>
<resources/>
<connections/>
</ui>