From: san <san@opencascade.com>
Date: Mon, 8 Dec 2008 16:39:24 +0000 (+0000)
Subject: SHow/hide ParaView view manager
X-Git-Tag: V2008a~11
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=c6b8ca4137b966ea0b1e5a80b7d84a742a8ebc4d;p=modules%2Fparavis.git

SHow/hide ParaView view manager
Close a study and create a new one
---

diff --git a/src/PVGUI/PVGUI_Module.cxx b/src/PVGUI/PVGUI_Module.cxx
index c06baf2a..28cc1c4a 100644
--- a/src/PVGUI/PVGUI_Module.cxx
+++ b/src/PVGUI/PVGUI_Module.cxx
@@ -182,8 +182,27 @@ void PVGUI_Module::initialize( CAM_Application* app )
   }
   */
   
+  // Initialize ParaView client
   pvInit();
 
+  // Create GUI elements (menus, toolbars, dock widgets)
+  if ( !Implementation ){
+    LightApp_Application* anApp = getApp();
+
+    // Simulate ParaView client main window
+    Implementation = new pqImplementation( anApp->desktop() );
+
+    setupDockWidgets();
+    
+    pvCreateActions();
+    pvCreateMenus();
+    pvCreateToolBars();
+    
+    setupDockWidgetsContextMenu();
+
+    // Now that we're ready, initialize everything ...
+    Implementation->Core.initializeStates();
+  }
 }
 
 /*!
@@ -224,6 +243,7 @@ bool PVGUI_Module::pvInit()
 {
   if ( !pqImplementation::myPVMain ){
     // Obtain command-line arguments
+    // Workaround to avoid pqOptions messages: pass only the executable path to vtkPVMain
     int argc = 0;
     QStringList args = QApplication::arguments();
     char** argv = new char*[args.size()];
@@ -276,36 +296,22 @@ void PVGUI_Module::pvShutdown()
 */
 void PVGUI_Module::showView( bool toShow )
 {
-  // TODO: check if ParaView view already exists
-  if ( !Implementation ){
-    LightApp_Application* anApp = getApp();
-    SUIT_ResourceMgr* resMgr = SUIT_Session::session()->resourceMgr();
-    PVGUI_ViewManager* viewMgr = new PVGUI_ViewManager( anApp->activeStudy(), anApp->desktop() );
+  LightApp_Application* anApp = getApp();
+  PVGUI_ViewManager* viewMgr = dynamic_cast<PVGUI_ViewManager*>( anApp->getViewManager( PVGUI_Viewer::Type(), false ) );
+  if ( !viewMgr ) {
+    viewMgr = new PVGUI_ViewManager( anApp->activeStudy(), anApp->desktop() );
     anApp->addViewManager( viewMgr );
     connect( viewMgr, SIGNAL( lastViewClosed( SUIT_ViewManager* ) ),
              anApp, SLOT( onCloseView( SUIT_ViewManager* ) ) );
-    //connect( viewMgr, SIGNAL( viewCreated( SUIT_ViewWindow* ) ), vm, SLOT( onViewCreated( SUIT_ViewWindow* ) ) );
-    //connect( viewMgr, SIGNAL( deleteView( SUIT_ViewWindow* ) ), this, SLOT( onViewDeleted( SUIT_ViewWindow* ) ) );
-    SUIT_ViewWindow* wnd = viewMgr->createViewWindow();  
+  }
 
-    // Simulate ParaView client main window
-    Implementation = new pqImplementation( anApp->desktop() );
-    PVGUI_ViewWindow* pvWnd = dynamic_cast<PVGUI_ViewWindow*>( wnd );
+  PVGUI_ViewWindow* pvWnd = dynamic_cast<PVGUI_ViewWindow*>( viewMgr->getActiveView() );
+  if ( !pvWnd ) {
+    pvWnd = dynamic_cast<PVGUI_ViewWindow*>( viewMgr->createViewWindow() );
     pvWnd->setMultiViewManager( &Implementation->Core.multiViewManager() );
-
-    setupDockWidgets();
-    
-    pvCreateActions();
-    pvCreateMenus();
-    pvCreateToolBars();
-    
-    setupDockWidgetsContextMenu();
-
-    // Now that we're ready, initialize everything ...
-    Implementation->Core.initializeStates();
   }
-  else 
-    restoreDockWidgetsState();
+
+  pvWnd->setShown( toShow );
 }
 
 /*!
@@ -673,19 +679,21 @@ bool PVGUI_Module::activateModule( SUIT_Study* study )
   bool isDone = LightApp_Module::activateModule( study );
   if ( !isDone ) return false;
 
+  showView( true );
+
   if ( mySourcesMenuId != -1 ) menuMgr()->show(mySourcesMenuId);
   if ( myFiltersMenuId != -1 ) menuMgr()->show(myFiltersMenuId);
   setMenuShown( true );
   setToolShown( true );
 
-  showView( true );
-
   toolMgr()->toolBar(tr("TOOL_LOOKMARKS"))->installEventFilter(this);
 
   // Make default server connection
   if ( Implementation )
     Implementation->Core.makeDefaultConnectionIfNoneExists();
 
+  restoreDockWidgetsState();
+
   return isDone;
 }
 
@@ -700,6 +708,8 @@ bool PVGUI_Module::deactivateModule( SUIT_Study* study )
 {
   toolMgr()->toolBar(tr("TOOL_LOOKMARKS"))->removeEventFilter(this);
 
+  showView( false );
+
   // hide menus
   menuMgr()->hide(mySourcesMenuId);
   menuMgr()->hide(myFiltersMenuId);
diff --git a/src/PVGUI/PVGUI_Module_impl.h b/src/PVGUI/PVGUI_Module_impl.h
index 127a601a..55a01629 100644
--- a/src/PVGUI/PVGUI_Module_impl.h
+++ b/src/PVGUI/PVGUI_Module_impl.h
@@ -43,16 +43,12 @@ class PVGUI_Module::pqImplementation
   pqImplementation(QWidget* parent) :
     AssistantClient(0),
     Core(parent),
-    RecentFilesMenu(0)//,
-    //ViewMenu(0),
-    //ToolbarsMenu(0)
+    RecentFilesMenu(0)
   {
   }
   
   ~pqImplementation()
   {
-    //delete this->ViewMenu;
-    //delete this->ToolbarsMenu;
     if(this->AssistantClient) {
       this->AssistantClient->closeAssistant();
       delete this->AssistantClient;
@@ -60,13 +56,8 @@ class PVGUI_Module::pqImplementation
   }
   
   QPointer<QAssistantClient> AssistantClient;
-  //Ui::MainWindow UI;
   pqMainWindowCore Core;
   pqRecentFilesMenu* RecentFilesMenu;
-  //pqViewMenu* ViewMenu;
-  //pqViewMenu* ToolbarsMenu;
-  //QLineEdit* CurrentTimeWidget;
-  //QSpinBox* CurrentTimeIndexWidget;
   QPointer<pqServer> ActiveServer;
   QString DocumentationDir;
   
diff --git a/src/PVGUI/PVGUI_ViewWindow.cxx b/src/PVGUI/PVGUI_ViewWindow.cxx
index 51ec369e..a8c03aaa 100644
--- a/src/PVGUI/PVGUI_ViewWindow.cxx
+++ b/src/PVGUI/PVGUI_ViewWindow.cxx
@@ -48,23 +48,20 @@ PVGUI_ViewWindow::PVGUI_ViewWindow( SUIT_Desktop* theDesktop, PVGUI_Viewer* theM
 
 /*!
   \brief Destructor.
+  As pqViewManager persists through the whole session,
+  the destructor first removes it from the children of this PVGUI_ViewWindow
+  to prevent its unexpected deletion.
 */
 PVGUI_ViewWindow::~PVGUI_ViewWindow()
 {
+  if ( myPVMgr ) {
+    myPVMgr->setParent( 0 );
+    myPVMgr->hide();
+    myPVMgr = 0;
+    setCentralWidget( 0 );
+  }
 }
 
-/*!
-  \brief Custom event filter.
-  \param watched event receiver object
-  \param e event
-  \return \c true if further event processing should be stopped
-*/
-bool PVGUI_ViewWindow::eventFilter( QObject* watched, QEvent* e )
-{
-  return SUIT_ViewWindow::eventFilter( watched, e );
-}
-
-
 /*!
   \brief Get the visual parameters of the view window.
   \return visual parameters of this view window formatted to the string
@@ -90,10 +87,9 @@ void PVGUI_ViewWindow::setMultiViewManager( pqViewManager* viewMgr )
 {
   myPVMgr = viewMgr;
   myPVMgr->setParent( this );
-  // This is mandatory, see setParent() documentation 
+  // This is mandatory, see setParent() method in Qt 4 documentation 
   myPVMgr->show();
   setCentralWidget( myPVMgr );
-  myPVMgr->installEventFilter( this );
 }
 
 /*!
diff --git a/src/PVGUI/PVGUI_ViewWindow.h b/src/PVGUI/PVGUI_ViewWindow.h
index a18d5f51..df0b1af4 100644
--- a/src/PVGUI/PVGUI_ViewWindow.h
+++ b/src/PVGUI/PVGUI_ViewWindow.h
@@ -38,9 +38,6 @@ public:
   PVGUI_ViewWindow( SUIT_Desktop*, PVGUI_Viewer* );
   virtual ~PVGUI_ViewWindow();
 
-
-  virtual bool      eventFilter( QObject*, QEvent* );
-
   virtual QString   getVisualParameters();
   virtual void      setVisualParameters( const QString& );