refs #347, CMainWindow for frameless main windows

2026-04-01 05:26:45 +08:00 · 2014-11-22 18:51:00 +01:00
parent facbefeeea
commit 42a4e0b48b
15 changed files with 266 additions and 112 deletions
--- a/src/blackgui/enableforframelesswindow.cpp
+++ b/src/blackgui/enableforframelesswindow.cpp
@@ -0,0 +1,116 @@
+/* Copyright (C) 2014
+ * swift project Community / Contributors
+ *
+ * This file is part of swift Project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#include "enableforframelesswindow.h"
+#include "blackmisc/icons.h"
+#include <QSizeGrip>
+#include <QStatusBar>
+#include <QPushButton>
+
+using namespace BlackMisc;
+
+namespace BlackGui
+{
+
+    CEnableForFramelessWindow::CEnableForFramelessWindow(CEnableForFramelessWindow::WindowMode mode, bool isMainApplicationWindow, QWidget *correspondingWidget) :
+        m_windowMode(mode), m_mainApplicationWindow(isMainApplicationWindow), m_widget(correspondingWidget)
+    {
+        Q_ASSERT(correspondingWidget);
+        this->setWindowAttributes(mode);
+    }
+
+    void CEnableForFramelessWindow::setMode(CEnableForFramelessWindow::WindowMode mode)
+    {
+        if (mode == this->m_windowMode) { return; }
+        this->m_widget->setWindowFlags(modeToWindowFlags(mode));
+        this->setWindowAttributes(mode);
+        this->m_widget->show();
+        this->m_windowMode = mode;
+    }
+
+    void CEnableForFramelessWindow::setFrameless(bool frameless)
+    {
+        setMode(frameless ? WindowFrameless : WindowNormal);
+    }
+
+    void CEnableForFramelessWindow::setWindowAttributes(CEnableForFramelessWindow::WindowMode mode)
+    {
+        bool frameless = (mode == WindowFrameless);
+        // http://stackoverflow.com/questions/18316710/frameless-and-transparent-window-qt5
+        this->m_widget->setAttribute(Qt::WA_NoSystemBackground, frameless);
+        this->m_widget->setAttribute(Qt::WA_TranslucentBackground, frameless);
+        this->m_widget->setProperty("frameless", frameless);
+    }
+
+    bool CEnableForFramelessWindow::handleMouseMoveEvent(QMouseEvent *event)
+    {
+        Q_ASSERT(this->m_widget);
+        if (this->m_windowMode == WindowFrameless && event->buttons() & Qt::LeftButton)
+        {
+            this->m_widget->move(event->globalPos() - this->m_framelessDragPosition);
+            event->accept();
+            return true;
+        }
+        return false;
+    }
+
+    bool CEnableForFramelessWindow::handleMousePressEvent(QMouseEvent *event)
+    {
+        Q_ASSERT(this->m_widget);
+        if (this->m_windowMode == WindowFrameless && event->button() == Qt::LeftButton)
+        {
+            this->m_framelessDragPosition = event->globalPos() - this->m_widget->frameGeometry().topLeft();
+            event->accept();
+            return true;
+        }
+        return false;
+    }
+
+    void CEnableForFramelessWindow::addFramelessSizeGrip(QStatusBar *statusBar)
+    {
+        if (!statusBar) { return; }
+        QSizeGrip *grip = new QSizeGrip(this->m_widget);
+        grip->setObjectName("sg_FramelessSizeGrip");
+        statusBar->addPermanentWidget(grip);
+    }
+
+    QHBoxLayout *CEnableForFramelessWindow::addFramelessCloseButton(QMenuBar *menuBar)
+    {
+        Q_ASSERT(isFrameless());
+        Q_ASSERT(menuBar);
+        Q_ASSERT(this->m_widget);
+
+        if (!m_framelessCloseButton)
+        {
+            m_framelessCloseButton = new QPushButton(this->m_widget);
+            m_framelessCloseButton->setObjectName("pb_FramelessCloseButton");
+            m_framelessCloseButton->setIcon(CIcons::close16());
+            QObject::connect(m_framelessCloseButton, &QPushButton::clicked, this->m_widget, &QWidget::close);
+        }
+
+        QHBoxLayout *menuBarLayout = new QHBoxLayout;
+        menuBarLayout->setObjectName("hl_MenuBar");
+        menuBarLayout->addWidget(menuBar, 0, Qt::AlignTop | Qt::AlignLeft);
+        menuBarLayout->addWidget(m_framelessCloseButton, 0, Qt::AlignTop | Qt::AlignRight);
+        return menuBarLayout;
+    }
+
+    Qt::WindowFlags CEnableForFramelessWindow::modeToWindowFlags(CEnableForFramelessWindow::WindowMode mode)
+    {
+        switch (mode)
+        {
+        case WindowFrameless:
+            return (Qt::Window | Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint);
+        case WindowNormal:
+        default:
+            return (Qt::Tool | Qt::WindowStaysOnTopHint | Qt::WindowMinimizeButtonHint | Qt::WindowCloseButtonHint);
+        }
+    }
+
+} // namespace