- 三哥布局管理器
topLeftLayout->addWidget(lineEdit);
QVBoxLayout *leftLayout = new QVBoxLayout;
leftLayout->addLayout(topLeftLayout);
leftLayout->addWidget(caseCheckBox);
leftLayout->addWidget(backwardCheckBox);
QVBoxLayout *rightLayout = new QVBoxLayout;
rightLayout->addWidget(findButton);
rightLayout->addWidget(closeButton);
rightLayout->addStretch(); //在close按键下方添加一个弹簧填空
mainLayout->addLayout(leftLayout);
mainLayout->addLayout(rightLayout);
setLayout(mainLayout);
setWindowTitle("Find");
setFixedHeight(sizeHint().height());
- findButton->setDefault(true); //将find按钮设置成对话框的默认按钮通过enter键
- findButton->setEnabled(false); //禁用了find按键
- spinbox->setRange(0,130); //如下数字的取值范围 如下
- QLineEdit //长条状的写入框
- QCheckBox //如上截图的带选定空的标签
- QPushButton
- QSpinBox //如下截图中
- QSlider //进度条
- QObject::connect(slider,SIGNAL(valueChanged(int)),spinbox,SLOT(setValue(int))); //进度条或数字变化会发出valueChanged信号 通过数字也可设置进度条进度的slot函数 setValue(int)
- lable =new
QLabel(tr("Find&what"));
lineEdit = new QLineEdit;
lable->setBuddy(lineEdit);
//lable通过alt+w来确定焦点,,,又通过 setBuddy 将焦点传递给 lineEdit