Question

我的Qt设计器实现：

当我的应用程序使用Visual Studios编译时：

为什么编译的gui不能以与Qt设计器中预览的大小相同的方式显示？

我的main.cpp：

#include "Send2Server.h"
#include <QtWidgets/QApplication>
#include <QDesktopWidget>
#include <QMainWindow>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    QApplication::setStyle("fusion");
    QDesktopWidget dw;
    Send2Server w;
    w.show();
    return a.exec();

注释中提供了一些额外的代码：

Send2Server.h：

#include "Send2Server.h"

using namespace std;


Send2Server::Send2Server(QWidget *parent)
    : QMainWindow(parent)
{
    ui.setupUi(this);

    //insert connect button commands
}
//Commands here

Send2Server.h：

#pragma once

#include <QtWidgets/QMainWindow>
#include "ui_Send2Server.h"
#include <QFile>
#include <QFileDialog>
#include <QTextStream>
#include <QMessageBox>

#include <iostream>
#include <string>

using namespace std;

class Send2Server : public QMainWindow
{
    Q_OBJECT

public:
    Send2Server(QWidget *parent = Q_NULLPTR);

private:
    Ui::Send2ServerClass ui;

private slots:
    //commands here
};

我的Qt设计风格可能会引起问题：

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>Send2ServerClass</class>
 <widget class="QMainWindow" name="Send2ServerClass">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>434</width>
    <height>230</height>
   </rect>
  </property>
  <property name="sizePolicy">
   <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
    <horstretch>0</horstretch>
    <verstretch>0</verstretch>
   </sizepolicy>
  </property>
  <property name="windowTitle">
   <string>Send2Server</string>
  </property>
  <property name="styleSheet">
   <string notr="true"/>
  </property>
  <widget class="QWidget" name="centralWidget">
   <property name="sizePolicy">
    <sizepolicy hsizetype="Maximum" vsizetype="Maximum">
     <horstretch>10</horstretch>
     <verstretch>0</verstretch>
    </sizepolicy>
   </property>
   <property name="styleSheet">
    <string notr="true">QWidget{

background-color:#282c34;
text-color: white;
}</string>
   </property>
   <widget class="QLineEdit" name="server_input">
    <property name="geometry">
     <rect>
      <x>110</x>
      <y>20</y>
      <width>311</width>
      <height>21</height>
     </rect>
    </property>
    <property name="styleSheet">
     <string notr="true">QLineEdit{
background-color: white;
}</string>
    </property>
   </widget>
   <widget class="QPushButton" name="send_file">
    <property name="geometry">
     <rect>
      <x>300</x>
      <y>200</y>
      <width>56</width>
      <height>17</height>
     </rect>
    </property>
    <property name="styleSheet">
     <string notr="true">QPushButton{
background-color: white;
}</string>
    </property>
    <property name="text">
     <string>Send File</string>
    </property>
   </widget>
   <widget class="QLabel" name="server_address">
    <property name="geometry">
     <rect>
      <x>10</x>
      <y>20</y>
      <width>81</width>
      <height>21</height>
     </rect>
    </property>
    <property name="font">
     <font>
      <family>Microsoft YaHei UI</family>
      <pointsize>10</pointsize>
     </font>
    </property>
    <property name="styleSheet">
     <string notr="true">QLabel{
color: white;
}</string>
    </property>
    <property name="text">
     <string>Server Address:</string>
    </property>
   </widget>
   <widget class="QLineEdit" name="user_input">
    <property name="geometry">
     <rect>
      <x>110</x>
      <y>60</y>
      <width>311</width>
      <height>21</height>
     </rect>
    </property>
    <property name="styleSheet">
     <string notr="true">QLineEdit{
background-color: white;
}</string>
    </property>
   </widget>
   <widget class="QLineEdit" name="pass_input">
    <property name="geometry">
     <rect>
      <x>110</x>
      <y>100</y>
      <width>311</width>
      <height>21</height>
     </rect>
    </property>
    <property name="styleSheet">
     <string notr="true">QLineEdit{
background-color: white;
}</string>
    </property>
   </widget>
   <widget class="QLabel" name="file_location">
    <property name="geometry">
     <rect>
      <x>40</x>
      <y>170</y>
      <width>171</width>
      <height>16</height>
     </rect>
    </property>
    <property name="styleSheet">
     <string notr="true">QLabel{
color: white;
}</string>
    </property>
    <property name="text">
     <string/>
    </property>
   </widget>
   <widget class="QPushButton" name="choose_file">
    <property name="geometry">
     <rect>
      <x>220</x>
      <y>170</y>
      <width>101</width>
      <height>16</height>
     </rect>
    </property>
    <property name="sizePolicy">
     <sizepolicy hsizetype="Maximum" vsizetype="Maximum">
      <horstretch>0</horstretch>
      <verstretch>0</verstretch>
     </sizepolicy>
    </property>
    <property name="styleSheet">
     <string notr="true">QPushButton{
background-color: white;
}</string>
    </property>
    <property name="text">
     <string>Choose File</string>
    </property>
   </widget>
   <widget class="QLabel" name="username">
    <property name="geometry">
     <rect>
      <x>10</x>
      <y>60</y>
      <width>81</width>
      <height>21</height>
     </rect>
    </property>
    <property name="font">
     <font>
      <family>Microsoft YaHei UI</family>
      <pointsize>10</pointsize>
     </font>
    </property>
    <property name="styleSheet">
     <string notr="true">QLabel{
color: white;
}</string>
    </property>
    <property name="text">
     <string>Username:</string>
    </property>
   </widget>
   <widget class="QLabel" name="password">
    <property name="geometry">
     <rect>
      <x>10</x>
      <y>100</y>
      <width>81</width>
      <height>21</height>
     </rect>
    </property>
    <property name="font">
     <font>
      <family>Microsoft YaHei UI</family>
      <pointsize>10</pointsize>
     </font>
    </property>
    <property name="styleSheet">
     <string notr="true">QLabel{
color: white;
}</string>
    </property>
    <property name="text">
     <string>Password:</string>
    </property>
   </widget>
   <widget class="QLabel" name="private_key">
    <property name="geometry">
     <rect>
      <x>10</x>
      <y>140</y>
      <width>81</width>
      <height>21</height>
     </rect>
    </property>
    <property name="font">
     <font>
      <family>Microsoft YaHei UI</family>
      <pointsize>10</pointsize>
     </font>
    </property>
    <property name="styleSheet">
     <string notr="true">QLabel{
color: white;
}</string>
    </property>
    <property name="text">
     <string>Private Key:</string>
    </property>
   </widget>
   <widget class="QLabel" name="file">
    <property name="geometry">
     <rect>
      <x>10</x>
      <y>170</y>
      <width>81</width>
      <height>21</height>
     </rect>
    </property>
    <property name="font">
     <font>
      <family>Microsoft YaHei UI</family>
      <pointsize>10</pointsize>
     </font>
    </property>
    <property name="styleSheet">
     <string notr="true">QLabel{
color: white;
}</string>
    </property>
    <property name="text">
     <string>File:</string>
    </property>
   </widget>
   <widget class="QPushButton" name="choose_key">
    <property name="geometry">
     <rect>
      <x>220</x>
      <y>140</y>
      <width>101</width>
      <height>16</height>
     </rect>
    </property>
    <property name="styleSheet">
     <string notr="true">QPushButton{
background-color: white;
}</string>
    </property>
    <property name="text">
     <string>Choose your Private Key</string>
    </property>
   </widget>
   <widget class="QLabel" name="key_location">
    <property name="geometry">
     <rect>
      <x>90</x>
      <y>140</y>
      <width>131</width>
      <height>16</height>
     </rect>
    </property>
    <property name="styleSheet">
     <string notr="true">QLabel{
color: white;
}</string>
    </property>
    <property name="text">
     <string/>
    </property>
   </widget>
   <widget class="QPushButton" name="clear_file">
    <property name="geometry">
     <rect>
      <x>340</x>
      <y>170</y>
      <width>81</width>
      <height>16</height>
     </rect>
    </property>
    <property name="styleSheet">
     <string notr="true">QPushButton{
background-color: white;
}</string>
    </property>
    <property name="text">
     <string>Clear File</string>
    </property>
   </widget>
   <widget class="QPushButton" name="clear_key">
    <property name="geometry">
     <rect>
      <x>340</x>
      <y>140</y>
      <width>81</width>
      <height>16</height>
     </rect>
    </property>
    <property name="styleSheet">
     <string notr="true">QPushButton{
background-color: white;
}</string>
    </property>
    <property name="text">
     <string>Clear Private Key</string>
    </property>
   </widget>
  </widget>
 </widget>
 <layoutdefault spacing="6" margin="11"/>
 <resources>
  <include location="Send2Server.qrc"/>
 </resources>
 <connections/>
</ui>

C ++ Qt应用程序窗口很小

0 个答案: