富源县住房和城乡建设局网站,搜索引擎优化的含义和目标,网站找谁做,今天重大新闻头条新闻军事说明
我们知道QWidget等设置了this-setWindowFlags(Qt::FramelessWindowHint);后无法移动和调整大小#xff0c;但实际项目中是需要窗口能够调整大小的。所以以实现FrameLess弹窗调整大小及移动弹窗需求#xff0c;并且在Windows 10上有Aero效果。 先看一下效果#xf…说明
我们知道QWidget等设置了this-setWindowFlags(Qt::FramelessWindowHint);后无法移动和调整大小但实际项目中是需要窗口能够调整大小的。所以以实现FrameLess弹窗调整大小及移动弹窗需求并且在Windows 10上有Aero效果。 先看一下效果
代码
大部分参考这个github。然后自己修改了一下因为github上面的在设置了qss后怎么也实现不了窗口圆角以阴影。下面修改版的代码可以实现圆角但也没有阴影只能在Widget中自己实现阴影了。 如果不需要圆角github上面的也是会自带阴影的。不用下面的调整版实现方案。
#ifndef AEROMAINWINDOW_H
#define AEROMAINWINDOW_H#include QMainWindowclass AeroMainWindow : public QMainWindow
{Q_OBJECTpublic:explicit AeroMainWindow(QWidget *parent nullptr);~AeroMainWindow();//设置是否可以通过鼠标调整窗口大小//if resizeable is set to false, then the window can not be resized by mouse//but still can be resized programticallyvoid setResizeable(bool resizeabletrue);bool isResizeable(){return m_bResizeable;}//设置可调整大小区域的宽度在此区域内可以使用鼠标调整窗口大小//set border width, inside this aera, window can be resized by mousevoid setResizeableAreaWidth(int width 5);protected://设置一个标题栏widget此widget会被当做标题栏对待//set a widget which will be treat as SYSTEM titlebarvoid setTitleBar(QWidget* titlebar);//在标题栏控件内也可以有子控件如标签控件“label1”此label1遮盖了标题栏导致不能通过label1拖动窗口//要解决此问题使用addIgnoreWidget(label1)//generally, we can add widget say label1 on titlebar, and it will cover the titlebar under it//as a result, we can not drag and move the MainWindow with this label1 again//we can fix this by add label1 to a ignorelist, just call addIgnoreWidget(label1)void addIgnoreWidget(QWidget* widget);bool nativeEvent(const QByteArray eventType, void *message, long *result);void resizeEvent(QResizeEvent *event);public slots:private slots:void onTitleBarDestroyed();private:QWidget *m_titleBar;QListQWidget* m_whiteList;int m_borderWidth;bool m_bResizeable;
};#endif // AEROMAINWINDOW_H#include aeromainwindow.h#include QGraphicsDropShadowEffect
#include QDesktopServices
#include QUrl
#include QGridLayout
#include QStyle
#include QDebug
#include QPushButton#ifdef Q_OS_WIN
#include windows.h
#include WinUser.h
#include windowsx.h
#include dwmapi.h
#include objidl.h // Fixes error C2504: IUnknown : base class undefined
#include gdiplus.h
#include GdiPlusColor.h
#pragma comment (lib,Dwmapi.lib) // Adds missing library, fixes error LNK2019: unresolved external symbol __imp__DwmExtendFrameIntoClientArea
#pragma comment (lib,user32.lib)
#endifAeroMainWindow::AeroMainWindow(QWidget *parent) :QMainWindow(parent),m_titleBar(Q_NULLPTR),m_borderWidth(5),m_bResizeable(true)
{this-setAttribute(Qt::WA_TranslucentBackground);//设置窗口背景透明this-setWindowFlags(Qt::FramelessWindowHint); //设置无边框窗口this-setResizeable(true);
}AeroMainWindow::~AeroMainWindow()
{
}void AeroMainWindow::setResizeable(bool resizeable)
{bool visible isVisible();m_bResizeable resizeable;if (m_bResizeable){setWindowFlags(windowFlags() | Qt::WindowMaximizeButtonHint);//此行代码可以带回Aero效果同时也带回了标题栏和边框,在nativeEvent()会再次去掉标题栏////this line will get titlebar/thick frame/Aero back, which is exactly what we want//we will get rid of titlebar and thick frame again in nativeEvent() laterHWND hwnd (HWND)this-winId();DWORD style ::GetWindowLong(hwnd, GWL_STYLE);::SetWindowLong(hwnd, GWL_STYLE, style | WS_MAXIMIZEBOX | WS_THICKFRAME | WS_CAPTION);}else{setWindowFlags(windowFlags() ~Qt::WindowMaximizeButtonHint);HWND hwnd (HWND)this-winId();DWORD style ::GetWindowLong(hwnd, GWL_STYLE);::SetWindowLong(hwnd, GWL_STYLE, style ~WS_MAXIMIZEBOX ~WS_CAPTION);}//保留一个像素的边框宽度否则系统不会绘制边框阴影const MARGINS shadow { 1, 1, 1, 1 };DwmExtendFrameIntoClientArea(HWND(winId()), shadow);setVisible(visible);
}void AeroMainWindow::setResizeableAreaWidth(int width)
{if (1 width) width 1;m_borderWidth width;
}void AeroMainWindow::setTitleBar(QWidget* titlebar)
{m_titleBar titlebar;if (!titlebar) return;connect(titlebar, SIGNAL(destroyed(QObject*)), this, SLOT(onTitleBarDestroyed()));
}void AeroMainWindow::onTitleBarDestroyed()
{if (m_titleBar QObject::sender()){m_titleBar Q_NULLPTR;}
}void AeroMainWindow::addIgnoreWidget(QWidget* widget)
{if (!widget) return;if (m_whiteList.contains(widget)) return;m_whiteList.append(widget);
}bool AeroMainWindow::nativeEvent(const QByteArray eventType, void *message, long *result)
{MSG* msg (MSG *)message;switch (msg-message){case WM_NCCALCSIZE:{//this kills the window frame and title bar we added with//WS_THICKFRAME and WS_CAPTION*result 0;return true;} // WM_NCCALCSIZEcase WM_NCHITTEST:{*result 0;const LONG border_width m_borderWidth; //in pixelsRECT winrect;GetWindowRect(HWND(winId()), winrect);long x GET_X_LPARAM(msg-lParam);long y GET_Y_LPARAM(msg-lParam);if(m_bResizeable){bool resizeWidth minimumWidth() ! maximumWidth();bool resizeHeight minimumHeight() ! maximumHeight();if(resizeWidth){//left borderif (x winrect.left x winrect.left border_width){*result HTLEFT;}//right borderif (x winrect.right x winrect.right - border_width){*result HTRIGHT;}}if(resizeHeight){//bottom borderif (y winrect.bottom y winrect.bottom - border_width){*result HTBOTTOM;}//top borderif (y winrect.top y winrect.top border_width){*result HTTOP;}}if(resizeWidth resizeHeight){//bottom left cornerif (x winrect.left x winrect.left border_width y winrect.bottom y winrect.bottom - border_width){*result HTBOTTOMLEFT;}//bottom right cornerif (x winrect.right x winrect.right - border_width y winrect.bottom y winrect.bottom - border_width){*result HTBOTTOMRIGHT;}//top left cornerif (x winrect.left x winrect.left border_width y winrect.top y winrect.top border_width){*result HTTOPLEFT;}//top right cornerif (x winrect.right x winrect.right - border_width y winrect.top y winrect.top border_width){*result HTTOPRIGHT;}}}if (0 ! *result) return true;//*result still equals 0, that means the cursor locate OUTSIDE the frame area//but it may locate in titlebar areaif (!m_titleBar) return false;//support highdpidouble dpr this-devicePixelRatioF();QPoint pos m_titleBar-mapFromGlobal(QPoint(x/dpr,y/dpr));if (!m_titleBar-rect().contains(pos)) return false;QWidget* child m_titleBar-childAt(pos);if (!child){*result HTCAPTION;return true;}else{if (m_whiteList.contains(child)){*result HTCAPTION;return true;}}return false;} // WM_NCHITTESTdefault:return QMainWindow::nativeEvent(eventType, msg, result);}
}void AeroMainWindow::resizeEvent(QResizeEvent *event)
{if (m_titleBar)m_titleBar-setGeometry(QRect(0, 0, this-rect().width(), m_titleBar-rect().height()));QMainWindow::resizeEvent(event);
}测试代码
生成一个类继承上面的类。然后实现下面的内容。很简单
#include testmainwindow.h
#include ui_testmainwindow.hTestMainWindow::TestMainWindow(QWidget *parent) :AeroMainWindow(parent),ui(new Ui::TestMainWindow)
{ui-setupUi(this);QWidget *titleBar new QWidget(this);titleBar-setGeometry(QRect(0, 0, this-rect().width(), 25));this-setTitleBar(titleBar);this-setStyleSheet(background-color: red;\border-radius: 8px;);
}TestMainWindow::~TestMainWindow()
{delete ui;
}
