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TitleBar.h
#ifndef TITLE_BAR#define TITLE_BAR#includeclass QLabel;class QPushButton;class TitleBar : public QWidget{ Q_OBJECTpublic: explicit TitleBar(QWidget *parent = 0); ~TitleBar();protected: // 双击标题栏进行界面的最大化/还原 virtual void mouseDoubleClickEvent(QMouseEvent *event); // 进行鼠界面的拖动 virtual void mousePressEvent(QMouseEvent *event); // 设置界面标题与图标 virtual bool eventFilter(QObject *obj, QEvent *event); private slots: // 进行最小化、最大化/还原、关闭操作 void onClicked();private: // 最大化/还原 void updateMaximize();private: QLabel *m_pIconLabel; QLabel *m_pTitleLabel; QPushButton *m_pMinimizeButton; QPushButton *m_pMaximizeButton; QPushButton *m_pCloseButton;};#endif // TITLE_BAR
TitleBar.cpp
#includewidget.h#include #include #include #include #include #include "TitleBar.h"#ifdef Q_OS_WIN#pragma comment(lib, "user32.lib")#include #endifTitleBar::TitleBar(QWidget *parent) : QWidget(parent){ setFixedHeight(30); m_pIconLabel = new QLabel(this); m_pTitleLabel = new QLabel(this); m_pMinimizeButton = new QPushButton(this); m_pMaximizeButton = new QPushButton(this); m_pCloseButton = new QPushButton(this); m_pIconLabel->setFixedSize(20, 20); m_pIconLabel->setScaledContents(true); m_pTitleLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed); m_pMinimizeButton->setFixedSize(27, 22); m_pMaximizeButton->setFixedSize(27, 22); m_pCloseButton->setFixedSize(27, 22); m_pTitleLabel->setObjectName("whiteLabel"); m_pMinimizeButton->setObjectName("minimizeButton"); m_pMaximizeButton->setObjectName("maximizeButton"); m_pCloseButton->setObjectName("closeButton"); m_pMinimizeButton->setToolTip("Minimize"); m_pMaximizeButton->setToolTip("Maximize"); m_pCloseButton->setToolTip("Close"); QHBoxLayout *pLayout = new QHBoxLayout(this); pLayout->addWidget(m_pIconLabel); pLayout->addSpacing(5); pLayout->addWidget(m_pTitleLabel); pLayout->addWidget(m_pMinimizeButton); pLayout->addWidget(m_pMaximizeButton); pLayout->addWidget(m_pCloseButton); pLayout->setSpacing(0); pLayout->setContentsMargins(5, 0, 5, 0); setLayout(pLayout); connect(m_pMinimizeButton, SIGNAL(clicked(bool)), this, SLOT(onClicked())); connect(m_pMaximizeButton, SIGNAL(clicked(bool)), this, SLOT(onClicked())); connect(m_pCloseButton, SIGNAL(clicked(bool)), this, SLOT(onClicked()));}TitleBar::~TitleBar(){}void TitleBar::mouseDoubleClickEvent(QMouseEvent *event){ Q_UNUSED(event); emit m_pMaximizeButton->clicked();}void TitleBar::mousePressEvent(QMouseEvent *event){#ifdef Q_OS_WIN if (ReleaseCapture()) { QWidget *pWindow = this->window(); if (pWindow->isTopLevel()) { SendMessage(HWND(pWindow->winId()), WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0); } } event->ignore();#else#endif}bool TitleBar::eventFilter(QObject *obj, QEvent *event){ switch (event->type()) { case QEvent::WindowTitleChange: { QWidget *pWidget = qobject_cast (obj); if (pWidget) { m_pTitleLabel->setText(pWidget->windowTitle()); return true; } } case QEvent::WindowIconChange: { QWidget *pWidget = qobject_cast (obj); if (pWidget) { QIcon icon = pWidget->windowIcon(); m_pIconLabel->setPixmap(icon.pixmap(m_pIconLabel->size())); return true; } } case QEvent::WindowStateChange: case QEvent::Resize: updateMaximize(); return true; } return QWidget::eventFilter(obj, event);}void TitleBar::onClicked(){ QPushButton *pButton = qobject_cast (sender()); QWidget *pWindow = this->window(); if (pWindow->isTopLevel()) { if (pButton == m_pMinimizeButton) { pWindow->showMinimized(); } else if (pButton == m_pMaximizeButton) { pWindow->isMaximized() ? pWindow->showNormal() : pWindow->showMaximized(); } else if (pButton == m_pCloseButton) { pWindow->close(); } }}void TitleBar::updateMaximize(){ QWidget *pWindow = this->window(); if (pWindow->isTopLevel()) { bool bMaximize = pWindow->isMaximized(); if (bMaximize) { m_pMaximizeButton->setToolTip(tr("Restore")); m_pMaximizeButton->setProperty("maximizeProperty", "restore"); } else { m_pMaximizeButton->setProperty("maximizeProperty", "maximize"); m_pMaximizeButton->setToolTip(tr("Maximize")); } m_pMaximizeButton->setStyle(QApplication::style()); }}
#ifndef __WIDGET__#define __WIDGET__#include "TitleBar.h"#includewidget.cpp#include #include class Widget :public QWidget{public: Widget(QWidget* parent = 0); ~Widget();private: TitleBar *m_pTitleBar; QVBoxLayout *m_pLayout;};#endif
#include "Widget.h"#includestyle.qss#include #include Widget::Widget(QWidget* parent) :QWidget(parent), m_pTitleBar(NULL), m_pLayout(NULL){ setWindowFlags(Qt::FramelessWindowHint); m_pTitleBar = new TitleBar(this); installEventFilter(m_pTitleBar); resize(400, 300); setWindowTitle("Custom Window"); QDir::setCurrent(QCoreApplication::applicationDirPath()); QString strLanPath = QObject::tr("%1\\skin\\public\\title.png").arg(QDir::currentPath()); strLanPath = QDir::toNativeSeparators(strLanPath); setWindowIcon(QIcon(strLanPath)); QPalette pal(palette()); pal.setColor(QPalette::Background, QColor(50, 50, 50)); setAutoFillBackground(true); setPalette(pal); m_pLayout = new QVBoxLayout(); m_pLayout->addWidget(m_pTitleBar); m_pLayout->addStretch(); m_pLayout->setSpacing(0); m_pLayout->setContentsMargins(0, 0, 0, 0); setLayout(m_pLayout);}Widget::~Widget(){ delete(m_pLayout); delete(m_pTitleBar);}
QPushButton#closeButton { background:transparent url(skin/public/close.png) no-repeat center center; border:none; width:20px; height:20px;}QPushButton#closeButton:hover { background:transparent url(skin/public/close_hover.png) no-repeat center center;}QPushButton#closeButton:pressed { background:transparent url(skin/public/close_pressed.png) no-repeat center center;}QPushButton#closeButton:disabled { background:transparent url(skin/public/close_disabled.png) no-repeat center center;}QPushButton#maximizeButton { background:transparent url(skin/public/max.png) no-repeat center center; border:none; width:20px; height:20px;}QPushButton#maximizeButton:hover { background:transparent url(skin/public/max_hover.png) no-repeat center center;}QPushButton#maximizeButton:pressed { background:transparent url(skin/public/max_pressed.png) no-repeat center center;}QPushButton#maximizeButton:disabled { background:transparent url(skin/public/max_disabled.png) no-repeat center center;}QPushButton#minimizeButton { background:transparent url(skin/public/min.png) no-repeat center center; border:none; width:20px; height:20px;}QPushButton#minimizeButton:hover { background:transparent url(skin/public/min_hover.png) no-repeat center center;}QPushButton#minimizeButton:pressed { background:transparent url(skin/public/min_pressed.png) no-repeat center center;}QPushButton#minimizeButton:disabled { background:transparent url(skin/public/min_disabled.png) no-repeat center center;} 转载地址：http://ovqxi.baihongyu.com/