简易qq对话框

//本程序由QT5 creator编译可运行
 //dialog.h
 1 #ifndef DIALOG_H
 2 #define DIALOG_H
 3 
 4 #include <QDialog>
 5 
 6 class Dialog : public QDialog
 7 {
 8     Q_OBJECT
 9 
10 public:
11     Dialog(QWidget *parent = 0);
12     ~Dialog();
13 };
14 
15 #endif // DIALOG_H

//drawer.h
 1 #ifndef DRAWER_H
 2 #define DRAWER_H
 3 #include <QToolBox>
 4 #include <QToolButton>
 5 
 6 class Drawer : public QToolBox
 7 {
 8     Q_OBJECT
 9 public:
10     Drawer(QWidget *parent = 0, Qt::WindowFlags f = 0);
11 private:
12     QToolButton *toolBtn1_1;
13     QToolButton *toolBtn1_2;
14     QToolButton *toolBtn1_3;
15     QToolButton *toolBtn1_4;
16     QToolButton *toolBtn1_5;
17     QToolButton *toolBtn2_1;
18     QToolButton *toolBtn2_2;
19     QToolButton *toolBtn3_1;
20     QToolButton *toolBtn3_2;
21 
22 };
23 
24 #endif // DRAWER_H

//dialog.cpp
 1 #include "dialog.h"
 2 
 3 Dialog::Dialog(QWidget *parent)
 4     : QDialog(parent)
 5 {
 6 }
 7 
 8 Dialog::~Dialog()
 9 {
10 
11 }

//drawer.cpp
//代码中,图片与build-MyQQExample-Desktop_Qt_5_6_0_MinGW_32bit-Debug放置同一个文件夹下面
  1 #include "drawer.h"
  2 #include <QGroupBox>
  3 #include <QVBoxLayout>
  4 
  5 Drawer::Drawer(QWidget *parent, Qt::WindowFlags f)
  6     :QToolBox(parent, f)
  7 {
  8     setWindowTitle (tr("My QQ")); //设置主窗体的标题
  9     //创建一个QToolButton类实例,分别对应于抽屉中的每一个按钮
 10     toolBtn1_1 = new QToolButton;
 11     toolBtn1_1->setText (tr("张三"));          //设置按钮的文字
 12     toolBtn1_1->setIcon (QPixmap("11.png"));  //设置按钮的图标
 13     toolBtn1_1->setIconSize (QPixmap("11.png").size ());
 14     toolBtn1_1->setAutoRaise (true);          //当鼠标离开时,按钮自动恢复为弹起状态
 15     //设置按钮的ToolButtonStyle属性->主要用来描述按钮的文字和图标的显示方式.
 16     //Qt::ToolButtonTextBesideIcon-->文字在图标旁边
 17     toolBtn1_1->setToolButtonStyle (Qt::ToolButtonTextBesideIcon);
 18     toolBtn1_2 = new QToolButton;
 19     toolBtn1_2->setText (tr("李四"));
 20     toolBtn1_2->setIcon (QPixmap("12.png"));
 21     toolBtn1_2->setIconSize (QPixmap("12.png").size ());
 22     toolBtn1_2->setAutoRaise (true);
 23     toolBtn1_2->setToolButtonStyle (Qt::ToolButtonTextBesideIcon);
 24     toolBtn1_3 = new QToolButton;
 25     toolBtn1_3->setText (tr("王五"));
 26     toolBtn1_3->setIcon (QPixmap("13.png"));
 27     toolBtn1_3->setIconSize (QPixmap("13.png").size ());
 28     toolBtn1_3->setAutoRaise (true);
 29     toolBtn1_3->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 30     toolBtn1_4 = new QToolButton;
 31     toolBtn1_4->setText(tr("小赵"));
 32     toolBtn1_4->setIcon(QPixmap("14.png"));
 33     toolBtn1_4->setIconSize(QPixmap("14.png").size());
 34     toolBtn1_4->setAutoRaise(true);
 35     toolBtn1_4->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 36     toolBtn1_5 = new QToolButton;
 37     toolBtn1_5->setText(tr("小孙"));
 38     toolBtn1_5->setIcon(QPixmap("155.png"));
 39     toolBtn1_5->setIconSize(QPixmap("155.png").size());
 40     toolBtn1_5->setAutoRaise(true);
 41     toolBtn1_5->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 42     //创建一个QGroupBox类实例,在本例中对应每一个抽屉.
 43     //QGroupBox *groupBox2 = new QGroupBox。。创建其余两栏抽屉
 44     QGroupBox *groupBox1 = new QGroupBox;
 45     //布局
 46     //用来设置抽屉内各个按钮的布局
 47     QVBoxLayout *layout1 = new QVBoxLayout(groupBox1);
 48     //布局中各个窗体显示间距
 49     layout1->setMargin (10);
 50     //布局中各个窗体显示位置
 51     layout1->setAlignment (Qt::AlignLeft);
 52     //加入抽屉内的各个按钮
 53     layout1->addWidget (toolBtn1_1);
 54     layout1->addWidget (toolBtn1_2);
 55     layout1->addWidget (toolBtn1_3);
 56     layout1->addWidget (toolBtn1_4);
 57     layout1->addWidget (toolBtn1_5);
 58     //插入一个占位符-使所有按钮能靠上对齐,并且在整个抽屉大小发生改变时保证按钮大小不发生改变
 59     layout1->addStretch ();
 60     toolBtn2_1 = new QToolButton;
 61     toolBtn2_1->setText ("老王");
 62     toolBtn2_1->setIcon (QPixmap("21.png"));
 63     toolBtn2_1->setIconSize (QPixmap("21.png").size ());
 64     toolBtn2_1->setAutoRaise (true);
 65     toolBtn2_1->setToolButtonStyle (Qt::ToolButtonTextBesideIcon);
 66     toolBtn2_2 = new QToolButton;
 67     toolBtn2_2->setText (tr("小张"));
 68     toolBtn2_2->setIcon (QPixmap("22.png"));
 69     toolBtn2_2->setIconSize (QPixmap("22.png").size ());
 70     toolBtn2_2->setAutoRaise(true);
 71     toolBtn2_2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 72     QGroupBox *groupBox2 = new QGroupBox;
 73     QVBoxLayout *layout2 = new QVBoxLayout(groupBox2);
 74     layout2->setMargin (10);
 75     layout2->setAlignment (Qt::AlignLeft);
 76     layout2->addWidget (toolBtn2_1);
 77     layout2->addWidget (toolBtn2_2);
 78     toolBtn3_1 =new QToolButton;
 79     toolBtn3_1->setText(tr("小陈"));
 80     toolBtn3_1->setIcon(QPixmap("31.png"));
 81     toolBtn3_1->setIconSize(QPixmap("31.png").size());
 82     toolBtn3_1->setAutoRaise(true);
 83     toolBtn3_1->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 84     toolBtn3_2 =new QToolButton;
 85     toolBtn3_2->setText(tr("小李"));
 86     toolBtn3_2->setIcon(QPixmap("32.png"));
 87     toolBtn3_2->setIconSize(QPixmap("32.png").size());
 88     toolBtn3_2->setAutoRaise(true);
 89     toolBtn3_2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 90     QGroupBox *groupBox3=new QGroupBox;
 91     QVBoxLayout *layout3=new QVBoxLayout(groupBox3);
 92     layout3->setMargin(10);
 93     layout3->setAlignment(Qt::AlignLeft);
 94     layout3->addWidget(toolBtn3_1);
 95     layout3->addWidget(toolBtn3_2);
 96     //将准备好的抽屉插入ToolBox中
 97     this->addItem ((QWidget*)groupBox1, tr("我的好友"));
 98     this->addItem ((QWidget*)groupBox2, tr("陌生人"));
 99     this->addItem ((QWidget*)groupBox3, tr("黑名单"));
100 }

//main.cpp
 1 #include "dialog.h"
 2 #include <QApplication>
 3 #include "drawer.h"
 4 
 5 int main(int argc, char *argv[])
 6 {
 7     QApplication a(argc, argv);
 8 
 9     Drawer drawer;
10     drawer.show ();
11     return a.exec();
12 }

运行效果，如图所示.