[英]Open second window in Qt
我正在尝试使用Qt Creator编译我用C++编写的代码。 我正在尝试创建第二个窗口,该窗口将在单击主窗口中的菜单项后出现,并且该窗口应具有单独的.ui文件。 但在编译期间我收到此错误:
/home/martin/Code/C++/Map_generator/map_generator/preferenceswindow.cpp:4: error: prototype for 'Ui::PreferencesWindow::PreferencesWindow(QWidget*)' does not match any in class 'Ui::PreferencesWindow'
Ui::PreferencesWindow::PreferencesWindow(QWidget *parent)
^
/home/bo/Code/C++/Map_generator/build-map_generator-Desktop-Debug/ui_preferenceswindow.h:88: error: candidates are: constexpr Ui::PreferencesWindow::PreferencesWindow(Ui::PreferencesWindow&&)
class PreferencesWindow: public Ui_PreferencesWindow {};
^
可能有什么问题?
首选项窗口.h
#ifndef PREFERENCESWINDOW_H
#define PREFERENCESWINDOW_H
#include <QWidget>
namespace Ui
{
class PreferencesWindow;
}
class PreferencesWindow : public QWidget
{
Q_OBJECT
public:
explicit PreferencesWindow(QWidget *parent = 0);
signals:
//public Q_SLOTS:
private:
PreferencesWindow *uip;
};
#endif // PREFERENCESWINDOW_H
首选项窗口.cpp
#include "preferenceswindow.h"
#include "ui_preferenceswindow.h"
Ui::PreferencesWindow::PreferencesWindow(QWidget *parent)
:QWidget(parent), uip(new Ui::PreferencesWindow)
{
uip->setupUi(this);
}
首选项window.ui文件
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>PreferencesWindow</class>
<widget class="QWidget" name="PreferencesWindow">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>326</width>
<height>159</height>
</rect>
</property>
<property name="windowTitle">
<string>Form</string>
</property>
<widget class="QPushButton" name="pushButton">
<property name="geometry">
<rect>
<x>200</x>
<y>100</y>
<width>99</width>
<height>27</height>
</rect>
</property>
<property name="text">
<string>Save</string>
</property>
</widget>
<widget class="QSpinBox" name="spinBox">
<property name="geometry">
<rect>
<x>90</x>
<y>100</y>
<width>81</width>
<height>27</height>
</rect>
</property>
<property name="minimum">
<number>1</number>
</property>
<property name="maximum">
<number>200</number>
</property>
<property name="value">
<number>15</number>
</property>
</widget>
<widget class="QSpinBox" name="spinBox_2">
<property name="geometry">
<rect>
<x>90</x>
<y>20</y>
<width>81</width>
<height>27</height>
</rect>
</property>
<property name="minimum">
<number>1</number>
</property>
<property name="maximum">
<number>1000</number>
</property>
<property name="value">
<number>100</number>
</property>
</widget>
<widget class="QSpinBox" name="spinBox_3">
<property name="geometry">
<rect>
<x>90</x>
<y>60</y>
<width>81</width>
<height>27</height>
</rect>
</property>
<property name="minimum">
<number>1</number>
</property>
<property name="maximum">
<number>1000</number>
</property>
<property name="value">
<number>60</number>
</property>
</widget>
<widget class="QLabel" name="label">
<property name="geometry">
<rect>
<x>20</x>
<y>30</y>
<width>67</width>
<height>17</height>
</rect>
</property>
<property name="text">
<string>Columns</string>
</property>
</widget>
<widget class="QLabel" name="label_2">
<property name="geometry">
<rect>
<x>20</x>
<y>70</y>
<width>67</width>
<height>17</height>
</rect>
</property>
<property name="text">
<string>Rows</string>
</property>
</widget>
<widget class="QLabel" name="label_3">
<property name="geometry">
<rect>
<x>20</x>
<y>110</y>
<width>67</width>
<height>17</height>
</rect>
</property>
<property name="text">
<string>Grid Size</string>
</property>
</widget>
</widget>
<resources/>
<connections/>
</ui>
您的 uip 变量被声明为PreferencesWindow
,当您希望将其声明为Ui::PreferencesWindow
:
private:
PreferencesWindow *uip;
将其更改为
private:
Ui::PreferencesWindow *uip;
您还定义Ui::PreferencesWindow
在preferenceswindow.cpp构造。 这不是你想要做的。 您想在那里定义PreferencesWindow
构造函数。 像这样:
PreferencesWindow::PreferencesWindow(QWidget *parent)
:QWidget(parent), uip(new Ui::PreferencesWindow)
{
uip->setupUi(this);
}
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