网站名称如何设置,家在深圳光明论坛,网站改版计划,江门网站建设总部电话QMessageBox::information(NULL, QString(title), QString(I am information)); 以下是自定义提示框的代码#xff0c;有图有真相#xff01;提示框大部分都采用模态的形式#xff0c;关于模态也不再多提#xff01;所以父类为QDialog#xff0c;…QMessageBox::information(NULL, QString(title), QString(I am information)); 以下是自定义提示框的代码有图有真相提示框大部分都采用模态的形式关于模态也不再多提所以父类为QDialog通过exec()返回值QDialog::Accepted或QDialog::Rejected来进行判断执行相应的事件。
#include msg_box.h MsgBox::MsgBox(QWidget *parent): QDialog(parent)
{this-resize(320, 160);//获取主界面的宽度int width this-width();int height this-height();//初始化为未按下鼠标左键mouse_press false;//设置标题栏隐藏this-setWindowFlags(Qt::FramelessWindowHint | Qt::Dialog);close_button new PushButton(this);close_button-loadPixmap(tipclose);close_button-setGeometry(width-30, 0, 30, 30); //设置标题title_label new QLabel(this);title_label-setObjectName(QString::fromUtf8(labelOne));QFont font title_label-font();font.setBold(true);title_label-setFont(font);title_label-setGeometry(0, 0, width-50, 30);//设置提示图片msg_label new QLabel(this);msg_label-setGeometry(20, 50, 36, 36);msg_label-setScaledContents(true);//设置提示信息让QLabel能够自动判断并换行显示ask_label new QLabel(this);ask_label-setGeometry(65, 60, width-100, 25*2);ask_label-setWordWrap(true);ask_label-setAlignment(Qt::AlignTop);check_box new QCheckBox(this);check_box-setGeometry(10, height - 35, 160, 25);check_box-setHidden(true);cancel_button new QPushButton(this);cancel_button-resize(70, 25);cancel_button-move(width - cancel_button-width() - 10, height - 35);ok_button new QPushButton(this);ok_button-resize(70, 25);ok_button-move(width - ok_button-width() - cancel_button-width() - 20, height - 35);check_box-setStyleSheet(background:transparent;);ok_button-setObjectName(QString::fromUtf8(pushButtonTwo));cancel_button-setObjectName(QString::fromUtf8(pushButtonTwo));QObject::connect(ok_button, SIGNAL(clicked()), this, SLOT(okOperate()));QObject::connect(close_button, SIGNAL(clicked()), this, SLOT(cancelOperate()));QObject::connect(cancel_button, SIGNAL(clicked()), this, SLOT(cancelOperate()));this-translateLanguage();
}void MsgBox::translateLanguage()
{close_button-setToolTip(tr(close));check_box-setText(tr(remember));ok_text tr(ok);cancel_text tr(cancel);
}void MsgBox::setInfo(QString title_info, QString info, QPixmap pixmap, bool is_check_hidden, bool is_ok_hidden)
{title_label-setText(QString( ) title_info);//设置提示信息ask_label-setText(info);msg_label-setPixmap(pixmap);//是否隐藏复选框check_box-setChecked(false);check_box-setHidden(is_check_hidden);//是否隐藏确定按钮ok_button-setHidden(is_ok_hidden);if(is_ok_hidden){cancel_button-setText(ok_text);}else{ok_button-setText(ok_text);cancel_button-setText(cancel_text);}//设置默认按钮为取消按钮cancel_button-setFocus();
}void MsgBox::paintEvent(QPaintEvent *)
{QPainter painter(this);painter.drawPixmap(rect(), QPixmap(:/icon/tip));QBitmap bitmap(this-size());QPainter painter2(bitmap);painter2.fillRect(bitmap.rect(), Qt::white);painter2.setBrush(QColor(0, 0, 0));painter2.drawRoundedRect(rect(), 4, 4);setMask(bitmap);
}void MsgBox::mousePressEvent( QMouseEvent * event )
{//只能是鼠标左键移动和改变大小if(event-button() Qt::LeftButton){mouse_press true;}//窗口移动距离move_point event-globalPos() - pos();
}void MsgBox::mouseReleaseEvent( QMouseEvent *)
{mouse_press false;
}void MsgBox::mouseMoveEvent(QMouseEvent *event)
{//移动窗口if(mouse_press) {QPoint move_pos event-globalPos();move(move_pos - move_point);}
}void MsgBox::okOperate()
{bool is_hidden check_box-isHidden();if(!is_hidden){bool is_checked check_box-isChecked();emit msgChecked(is_checked, true);}this-accept();
}void MsgBox::cancelOperate()
{bool is_check_hidden check_box-isHidden();bool is_ok_hidden ok_button-isHidden();if(!is_check_hidden){bool is_checked check_box-isChecked();if(!is_ok_hidden){emit msgChecked(is_checked, false);}else{emit okMessageHidden(is_checked);} }this-reject();
} 效果图
MsgBox *msg_box new MsgBox();msg_box-setInfo(QString(文件删除), QString(确实要把文件放入回收站吗?), QPixmap(:/icon/attention), true, false);msg_box-exec(); MsgBox *msg_box2 new MsgBox();msg_box2-setInfo(QString(重命名), QString(文件名不能包含下列任何字符\n \\ / : * ? \ |), QPixmap(:/icon/attention), true, true);msg_box2-exec(); MsgBox *msg_box3 new MsgBox();msg_box3-setInfo(QString(批量文件删除), QString(确实要把所有文件放入回收站吗?), QPixmap(:/icon/attention), false, false);msg_box3-exec();
