add QWinTasbarProgress to windows build

CMakeLists.txt

@@ -913,6 +913,9 @@ endif()
                     endif()
                 endif()
             endif()
+            if(MSVC)
+              find_package(Qt5WinExtras REQUIRED)
+            endif(MSVC)
         endif(BUILD_GUI)
 
         # This is a special version of the built in macro qt5_wrap_cpp
@@ -1341,6 +1344,10 @@ ELSE(NOT BUILD_QT5)
       MESSAGE(STATUS "Qt5WebKitWidgets:    not needed (BUILD_WEB)")
       MESSAGE(STATUS "Qt5WebEngineWidgets:    not needed (BUILD_WEB)")
     ENDIF(BUILD_WEB)
+    IF(MSVC)
+      MESSAGE(STATUS "Qt5WinExtras:        ${Qt5WinExtras_VERSION}")
+    ENDIF(MSVC)
+    
   ELSE(BUILD_GUI)
     MESSAGE(STATUS "Qt5Widgets:          not needed")
     MESSAGE(STATUS "Qt5PrintSupport:     not needed")

src/Gui/CMakeLists.txt

@@ -95,6 +95,14 @@ if (BUILD_QT5)
         ${Qt5Network_LIBRARIES}
         ${Qt5UiTools_LIBRARIES}
     )
+    if(MSVC)
+      include_directories(
+        ${Qt5WinExtras_INCLUDE_DIRS}
+      )
+      list(APPEND FreeCADGui_LIBS
+        ${Qt5WinExtras_LIBRARIES}
+      )
+    endif(MSVC)
 else()
     include_directories(
         ${QT_INCLUDE_DIR}

src/Gui/ProgressBar.cpp

@@ -335,6 +335,8 @@ QProgressBar* Sequencer::getProgressBar(QWidget* parent)
 
 ProgressBar::ProgressBar (Sequencer* s, QWidget * parent)
     : QProgressBar(parent), sequencer(s)
+  , m_taskbarButton(nullptr)
+  , m_taskbarProgress(nullptr)
 {
     d = new Gui::ProgressBarPrivate;
     d->minimumDuration = 2000; // 2 seconds
@@ -362,6 +364,36 @@ int ProgressBar::minimumDuration() const
     return d->minimumDuration;
 }
 
+void Gui::ProgressBar::reset()
+{
+  QProgressBar::reset();
+  if (setupTaskBarProgress()) m_taskbarProgress->reset();
+}
+
+void Gui::ProgressBar::setRange(int minimum, int maximum)
+{
+  QProgressBar::setRange(minimum, maximum);
+  if (setupTaskBarProgress()) m_taskbarProgress->setRange(minimum, maximum);
+}
+
+void Gui::ProgressBar::setMinimum(int minimum)
+{
+  QProgressBar::setMinimum(minimum);
+  if (setupTaskBarProgress()) m_taskbarProgress->setMinimum(minimum);
+}
+
+void Gui::ProgressBar::setMaximum(int maximum)
+{
+  QProgressBar::setMaximum(maximum);
+  if (setupTaskBarProgress()) m_taskbarProgress->setMaximum(maximum);
+}
+
+void Gui::ProgressBar::setValue(int value)
+{
+  QProgressBar::setValue(value);
+  if (setupTaskBarProgress()) m_taskbarProgress->setValue(value);
+}
+
 void ProgressBar::setMinimumDuration (int ms)
 {
     if (value() == 0)
@@ -428,6 +460,26 @@ void ProgressBar::leaveControlEvents()
     releaseKeyboard();
 }
 
+bool Gui::ProgressBar::setupTaskBarProgress(void)
+{
+  if (!m_taskbarButton || !m_taskbarProgress)
+  {
+#if QT_VERSION >= 0x050000
+    m_taskbarButton = new QWinTaskbarButton(this);
+    m_taskbarButton->setWindow(MainWindow::getInstance()->windowHandle());
+    //m_myButton->setOverlayIcon(QIcon(""));
+
+    m_taskbarProgress = m_taskbarButton->progress();
+    m_taskbarProgress->setVisible(true);
+    return true;
+#else
+    return false;
+#endif
+  }
+  else if (m_taskbarButton && m_taskbarProgress) return true;
+  return false;
+}
+
 bool ProgressBar::eventFilter(QObject* o, QEvent* e)
 {
     if (sequencer->isRunning() && e != 0) {

src/Gui/ProgressBar.h

@@ -25,6 +25,11 @@
 #define GUI_PROGRESSBAR_H
 
 #include <QProgressBar>
+#if QT_VERSION >= 0x050000
+#include <QWinTaskbarProgress>
+#include <QWinTaskbarButton>
+#endif
+
 
 #include <Base/Sequencer.h>
 
@@ -151,6 +156,13 @@ public:
     */
     int minimumDuration() const;
 
+    void reset();
+    void setRange(int minimum, int maximum);
+    void setMinimum(int minimum);
+    void setMaximum(int maximum);
+    void setValue(int value);
+
+
 public Q_SLOTS:
     /** Sets the time that must pass before the progress bar appears to \a ms.
     */
@@ -177,9 +189,16 @@ private:
     void enterControlEvents();
     /** Loses the control over incoming events*/
     void leaveControlEvents();
+
+    /* Set up the task abr progress in windows */
+    bool setupTaskBarProgress(void);
+
     //@}
     ProgressBarPrivate* d;
     Sequencer* sequencer;
+    
+    QWinTaskbarProgress* m_taskbarProgress;
+    QWinTaskbarButton* m_taskbarButton;
 
     friend class Sequencer;
 };