1)创建一个标题的界面类,重新实现鼠标移动点击等事件
2)设置主界面无边框,创建一个垂直布局管理器,插入标题界面,在标题界面和主界面之间添加一个分割器
setWindowFlags(Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint);
QtGuiDetailTitle *title = new QtGuiDetailTitle(this);
ui.verticalLayout->setContentsMargins(8, 8, 8, 8);//设置上下左右边距
ui.verticalLayout->insertWidget(0, title);
ui.verticalLayout->insertStretch(1);//插入一个分割器
3)重新实现主界面的nativeEvent时间,使界面可伸缩
#include <Windows.h>
#include <WindowsX.h>
bool QtGuiDirectDetail::nativeEvent(const QByteArray &eventType, void *message, long *result){
MSG* msg = (MSG*)message;
switch (msg->message){
case WM_NCHITTEST:
int xPos = GET_X_LPARAM(msg->lParam) - this->frameGeometry().x();
int yPos = GET_Y_LPARAM(msg->lParam) - this->frameGeometry().y();
if (this->childAt(xPos, yPos) == 0){
*result = HTCAPTION;
}
else{
return false;
}
if (xPos > 0 && xPos < 8){
*result = HTLEFT;
}
if (xPos >(this->width() - 8) && xPos < (this->width() - 0)){
*result = HTRIGHT;
}
if (yPos > 0 && yPos < 8){
*result = HTTOP;
}
if (yPos >(this->height() - 8) && yPos < (this->height() - 0)){
*result = HTBOTTOM;
}
if (xPos > 18 && xPos < 22 && yPos > 18 && yPos < 22){
*result = HTTOPLEFT;
}
if (xPos >(width() - 22) && xPos < (width() - 18) && yPos > 18 && yPos < 22){
*result = HTTOPRIGHT;
}
if (xPos > 18 && xPos < 22 && yPos >(height() - 22) && yPos < (height() - 18)){
*result = HTBOTTOMLEFT;
}
if (xPos >(width() - 22) && xPos < (width() - 18) && yPos >(height() - 22) && yPos < (height() - 18)){
*result = HTBOTTOMRIGHT;
}
return true;
}
return false;
}
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