0027398: Integrate Qt Browser Widget to Open CASCADE Technology

The following implementation has been made: - CMake procedure is extended to compile Qt tools. This is optional and is handled by USE_QT_TOOLS option(OFF by default) - It is possible to build Qt tools using Qt5 or Qt4, it is settled with USE_QT4 option. - Sample of DFBrowser tool is available in samples/tools/TInspectorEXE. It is build with tools, executable is placed in binaries. To start the sample, use dfbrowser.bat command. - DFBrowser tool may be started from DRAW
2025-08-14 13:30:48 +03:00 · 2017-07-26 16:40:36 +03:00
parent 8dbf046236
commit 14bbbdcbc1
445 changed files with 30198 additions and 15 deletions
--- a/tools/DFBrowser/DFBrowser_Thread.cxx
+++ b/tools/DFBrowser/DFBrowser_Thread.cxx
@@ -0,0 +1,152 @@
+// Created on: 2017-06-16
+// Created by: Natalia ERMOLAEVA
+// Copyright (c) 2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement. 
+
+#include <DFBrowser_Thread.hxx>
+#include <DFBrowser_ThreadItemSearch.hxx>
+#include <DFBrowser_ThreadItemUsedShapesMap.hxx>
+#include <DFBrowser_TreeLevelLine.hxx>
+#include <DFBrowser_SearchLine.hxx>
+
+#include <DFBrowser_Window.hxx>
+
+#include <QThread>
+
+//! \class DFBrowser_QThread
+//! Internal class to cover QThread in order to process ThreadItem.
+class DFBrowser_QThread : public QThread
+{
+public:
+
+  //! Constructor
+  DFBrowser_QThread (QObject* theParent) : QThread (theParent), myItem (0) {}
+
+  //! Destructor
+  virtual ~DFBrowser_QThread() Standard_OVERRIDE {}
+
+  //! Sets thread item to be processed
+  //! \param theItem a thread item
+  void setItem (DFBrowser_ThreadItem* theItem) { myItem = theItem; }
+
+  //! Returns the current processing thread item
+  DFBrowser_ThreadItem* getItem() const { return myItem; }
+
+protected:
+
+  //! Starts thread item
+  virtual void run() Standard_OVERRIDE
+  {
+    if (myItem)
+      myItem->Run();
+  }
+
+private:
+
+  DFBrowser_ThreadItem* myItem;
+};
+
+// =======================================================================
+// function : Constructor
+// purpose :
+// =======================================================================
+DFBrowser_Thread::DFBrowser_Thread (DFBrowser_Window* theWindow)
+: QObject (theWindow), myPostponedItem (0), myIsFinishProcessing (false)
+{
+  DFBrowser_SearchLine* aSearchLine = theWindow->GetTreeLevelLine()->GetSearchLine();
+  myItems.append (new DFBrowser_ThreadItemSearch(aSearchLine));
+  myItems.append (new DFBrowser_ThreadItemUsedShapesMap());
+}
+
+// =======================================================================
+// function : SetModule
+// purpose :
+// =======================================================================
+void DFBrowser_Thread::SetModule (DFBrowser_Module* theModule)
+{
+  for (int anItemId = 0, aSize = myItems.size(); anItemId < aSize; anItemId++)
+  {
+    DFBrowser_ThreadItemUsedShapesMap* aShapesItem = dynamic_cast<DFBrowser_ThreadItemUsedShapesMap*> (myItems[anItemId]);
+    if (aShapesItem)
+      aShapesItem->SetModule (theModule);
+  }
+}
+
+// =======================================================================
+// function : ProcessApplication
+// purpose :
+// =======================================================================
+void DFBrowser_Thread::ProcessApplication()
+{
+  for (int anItemId = 0, aSize = myItems.size(); anItemId < aSize; anItemId++)
+    startThread (myItems[anItemId]);
+}
+
+// =======================================================================
+// function : startThread
+// purpose :
+// =======================================================================
+void DFBrowser_Thread::startThread (DFBrowser_ThreadItem* theItem)
+{
+  DFBrowser_QThread* aThread = new DFBrowser_QThread (this);
+  aThread->setItem (theItem);
+  aThread->start();
+  connect (aThread, SIGNAL (finished()), this, SLOT (onFinished()), Qt::QueuedConnection);
+  myStartedThreads.append (aThread);
+}
+
+// =======================================================================
+// function : TerminateThread
+// purpose :
+// =======================================================================
+void DFBrowser_Thread::TerminateThread()
+{
+  for (int aThreadsId = 0, aCount = myStartedThreads.size(); aThreadsId < aCount; aThreadsId++)
+  {
+    QThread* aThread = myStartedThreads[aThreadsId];
+    if (aThread->isRunning())
+      aThread->terminate();
+  }
+}
+
+// =======================================================================
+// function : onFinished
+// purpose :
+// =======================================================================
+void DFBrowser_Thread::onFinished()
+{
+  DFBrowser_QThread* aThread = (DFBrowser_QThread*)(sender());
+  if (myIsFinishProcessing)
+  {
+    // if thread send signal when other finished signal is processed
+    if (aThread)
+      myPostponedItem = aThread->getItem();
+    return;
+  }
+
+  myIsFinishProcessing = true;
+  if (aThread)
+  {
+    myStartedThreads.removeAll (aThread);
+    DFBrowser_ThreadItem* anItem = aThread->getItem();
+    if (anItem)
+      anItem->ApplyValues();
+  }
+
+  myIsFinishProcessing = false;
+  if (myPostponedItem)
+  {
+    myPostponedItem->ApplyValues();
+    myPostponedItem = 0;
+  }
+}