1*4882a593Smuzhiyun #include "messagebox.h"
2*4882a593Smuzhiyun #include <QEventLoop>
3*4882a593Smuzhiyun #include <QPushButton>
4*4882a593Smuzhiyun #include <QLabel>
5*4882a593Smuzhiyun #include <QHBoxLayout>
6*4882a593Smuzhiyun #include <QVBoxLayout>
7*4882a593Smuzhiyun #include <QPainter>
8*4882a593Smuzhiyun #include <QMessageBox>
9*4882a593Smuzhiyun #include <QApplication>
10*4882a593Smuzhiyun #include <QDesktopWidget>
11*4882a593Smuzhiyun #include <QMouseEvent>
12*4882a593Smuzhiyun #include <QDebug>
13*4882a593Smuzhiyun #include <QTimer>
14*4882a593Smuzhiyun #include <QPropertyAnimation>
15*4882a593Smuzhiyun
MessageBox(QWidget * parent,const QString & text,Button button)16*4882a593Smuzhiyun MessageBox::MessageBox(QWidget *parent, const QString &text, Button button) : QWidget(parent)
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun this->resize(300, 200);
19*4882a593Smuzhiyun m_pLoop = new QEventLoop(this);
20*4882a593Smuzhiyun QLabel *label =new QLabel;
21*4882a593Smuzhiyun label->setTextFormat(Qt::RichText);
22*4882a593Smuzhiyun label->setWordWrap(true);
23*4882a593Smuzhiyun label->setAlignment(Qt::AlignCenter);
24*4882a593Smuzhiyun label->setText(text);
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun QVBoxLayout *VLayout = new QVBoxLayout(this);
27*4882a593Smuzhiyun VLayout->addSpacing(30);
28*4882a593Smuzhiyun VLayout->addWidget(label);
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun QHBoxLayout *hLayout = new QHBoxLayout;
31*4882a593Smuzhiyun QPushButton *yes = new QPushButton(tr("OK"), this);
32*4882a593Smuzhiyun connect(yes, &QPushButton::clicked, this, [=](){
33*4882a593Smuzhiyun m_pLoop->exit(Button::yes);
34*4882a593Smuzhiyun });
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun QPushButton *no = new QPushButton(tr("Cancel"), this);
37*4882a593Smuzhiyun connect(no, &QPushButton::clicked, this, [=](){
38*4882a593Smuzhiyun m_pLoop->exit(Button::no);
39*4882a593Smuzhiyun });
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun switch (button) {
42*4882a593Smuzhiyun case Button::yes:
43*4882a593Smuzhiyun {
44*4882a593Smuzhiyun yes->setVisible(true);
45*4882a593Smuzhiyun no->setVisible(false);
46*4882a593Smuzhiyun }
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun break;
49*4882a593Smuzhiyun case Button::no:
50*4882a593Smuzhiyun {
51*4882a593Smuzhiyun yes->setVisible(false);
52*4882a593Smuzhiyun no->setVisible(false);
53*4882a593Smuzhiyun }
54*4882a593Smuzhiyun break;
55*4882a593Smuzhiyun case Button::yes_no:
56*4882a593Smuzhiyun {
57*4882a593Smuzhiyun yes->setVisible(true);
58*4882a593Smuzhiyun yes->setVisible(true);
59*4882a593Smuzhiyun }break;
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun default:
62*4882a593Smuzhiyun break;
63*4882a593Smuzhiyun }
64*4882a593Smuzhiyun hLayout->addStretch();
65*4882a593Smuzhiyun hLayout->addWidget(yes);
66*4882a593Smuzhiyun hLayout->addWidget(no);
67*4882a593Smuzhiyun VLayout->addLayout(hLayout);
68*4882a593Smuzhiyun setAttribute(Qt::WA_DeleteOnClose);
69*4882a593Smuzhiyun }
70*4882a593Smuzhiyun
MessageBox(QWidget * parent)71*4882a593Smuzhiyun MessageBox::MessageBox(QWidget *parent):QWidget(parent)
72*4882a593Smuzhiyun {
73*4882a593Smuzhiyun setAttribute(Qt::WA_DeleteOnClose);
74*4882a593Smuzhiyun }
75*4882a593Smuzhiyun
exec()76*4882a593Smuzhiyun int MessageBox::exec()
77*4882a593Smuzhiyun {
78*4882a593Smuzhiyun QWidget *parentWidget = dynamic_cast<QWidget*>(parent());
79*4882a593Smuzhiyun if(parentWidget != Q_NULLPTR)
80*4882a593Smuzhiyun {
81*4882a593Smuzhiyun int x = (parentWidget->width()-width())/2;
82*4882a593Smuzhiyun int y = (parentWidget->height()-height())/2;
83*4882a593Smuzhiyun move(x, y);
84*4882a593Smuzhiyun filterChild(parentWidget);
85*4882a593Smuzhiyun
86*4882a593Smuzhiyun }else{
87*4882a593Smuzhiyun this->setWindowFlags(Qt::FramelessWindowHint);
88*4882a593Smuzhiyun int x = (qApp->desktop()->width()-width())/2;
89*4882a593Smuzhiyun int y = (qApp->desktop()->height()-height())/2;
90*4882a593Smuzhiyun move(x, y);
91*4882a593Smuzhiyun
92*4882a593Smuzhiyun }
93*4882a593Smuzhiyun this->setVisible(true);
94*4882a593Smuzhiyun int ret = m_pLoop->exec();
95*4882a593Smuzhiyun
96*4882a593Smuzhiyun if(parentWidget != Q_NULLPTR)
97*4882a593Smuzhiyun {
98*4882a593Smuzhiyun //解除其它窗口部件操作.
99*4882a593Smuzhiyun foreach (QObject *o, m_object) {
100*4882a593Smuzhiyun o->removeEventFilter(this);
101*4882a593Smuzhiyun }
102*4882a593Smuzhiyun m_object.clear();
103*4882a593Smuzhiyun }
104*4882a593Smuzhiyun
105*4882a593Smuzhiyun delete m_pLoop;
106*4882a593Smuzhiyun return ret;
107*4882a593Smuzhiyun }
108*4882a593Smuzhiyun
paintEvent(QPaintEvent * e)109*4882a593Smuzhiyun void MessageBox::paintEvent(QPaintEvent *e)
110*4882a593Smuzhiyun {
111*4882a593Smuzhiyun Q_UNUSED(e)
112*4882a593Smuzhiyun QWidget::paintEvent(e);
113*4882a593Smuzhiyun QPainter painter(this);
114*4882a593Smuzhiyun
115*4882a593Smuzhiyun painter.fillRect(this->rect(), QColor(251, 251, 251));
116*4882a593Smuzhiyun painter.setPen(Qt::blue);
117*4882a593Smuzhiyun painter.drawText(20, 20, "Message");
118*4882a593Smuzhiyun QPen pen(Qt::blue);
119*4882a593Smuzhiyun pen.setWidthF(2.0);
120*4882a593Smuzhiyun painter.setPen(pen);
121*4882a593Smuzhiyun painter.drawLine(QPoint(20, 25), QPoint(this->width()-20, 25));
122*4882a593Smuzhiyun }
123*4882a593Smuzhiyun
eventFilter(QObject * watched,QEvent * event)124*4882a593Smuzhiyun bool MessageBox::eventFilter(QObject *watched, QEvent *event)
125*4882a593Smuzhiyun {
126*4882a593Smuzhiyun //过滤所非消息窗口的鼠标点击和聚集事件，使只能操作当强消息窗口.
127*4882a593Smuzhiyun QInputEvent *pMouse = dynamic_cast<QInputEvent*>(event);
128*4882a593Smuzhiyun QFocusEvent *pFocus = dynamic_cast<QFocusEvent*>(event);
129*4882a593Smuzhiyun if(m_object.contains(watched) && (pMouse|| pFocus))
130*4882a593Smuzhiyun {
131*4882a593Smuzhiyun event->ignore();
132*4882a593Smuzhiyun return true;
133*4882a593Smuzhiyun }
134*4882a593Smuzhiyun
135*4882a593Smuzhiyun return QWidget::eventFilter(watched, event);
136*4882a593Smuzhiyun }
137*4882a593Smuzhiyun
filterChild(QObject * o)138*4882a593Smuzhiyun void MessageBox::filterChild(QObject *o)
139*4882a593Smuzhiyun {
140*4882a593Smuzhiyun foreach (QObject *child, o->children()) {
141*4882a593Smuzhiyun if( child !=this)
142*4882a593Smuzhiyun {
143*4882a593Smuzhiyun m_object << child;
144*4882a593Smuzhiyun child->installEventFilter(this);
145*4882a593Smuzhiyun filterChild(child);
146*4882a593Smuzhiyun }
147*4882a593Smuzhiyun }
148*4882a593Smuzhiyun }
149*4882a593Smuzhiyun
showMessage(QWidget * parent,const QString & text,Button button)150*4882a593Smuzhiyun int MessageBox::showMessage(QWidget *parent, const QString &text, Button button)
151*4882a593Smuzhiyun {
152*4882a593Smuzhiyun MessageBox tip(parent, text, button);
153*4882a593Smuzhiyun return tip.exec();
154*4882a593Smuzhiyun }
155*4882a593Smuzhiyun
showDuringMessage(QWidget * parent,const QString & text,int duringSeconds)156*4882a593Smuzhiyun int MessageBox::showDuringMessage(QWidget *parent, const QString &text, int duringSeconds)
157*4882a593Smuzhiyun {
158*4882a593Smuzhiyun MessageBox tip(parent, text, MessageBox::no);
159*4882a593Smuzhiyun QPropertyAnimation pro(&tip, "windowOpacity");
160*4882a593Smuzhiyun pro.setStartValue(0.1);
161*4882a593Smuzhiyun pro.setEndValue(1.0);
162*4882a593Smuzhiyun pro.setDuration(duringSeconds*1000);
163*4882a593Smuzhiyun connect(&pro, &QPropertyAnimation::finished, &tip, [=, &tip](){
164*4882a593Smuzhiyun tip.m_pLoop->exit();;
165*4882a593Smuzhiyun });
166*4882a593Smuzhiyun pro.start();
167*4882a593Smuzhiyun return tip.exec();
168*4882a593Smuzhiyun }
169