QT: Fixed nav in flow.

wb/lib/wb/qt/wb_foe_qt.cqt

@@ -1030,7 +1030,6 @@ pwr_tStatus WFoeQt::create_window(int x_top, int y_top, int width_adb,
   statusbar->addWidget(label);
   add_expanding(statusbar, textinput);
 
-  subpane = new QSplitter(Qt::Vertical);
   QHBoxLayout* palbox = new QHBoxLayout();
   node_palctx = new PalQt(this, "Objects", ldhsession, "PlcEditorPalette",
       &node_palette, &sts);
@@ -1047,13 +1046,13 @@ pwr_tStatus WFoeQt::create_window(int x_top, int y_top, int width_adb,
   add_expanding(palbox, con_palette);
   add_expanding(palbox, nav_palette);
 
+  subpane = new QSplitter(Qt::Vertical);
   add_expanding(subpane, palbox);
 
   pane = new QSplitter(Qt::Horizontal);
   gre = new WGreQt(this, "Name");
 
-  ((WGreQt*)gre)->new_navigator(subpane);
-  subpane->addWidget(((WGreQt*)gre)->nav_widget);
+  subpane->addWidget(((WGreQt*)gre)->create_navigator());
 
   add_expanding(pane, ((WGreQt*)gre)->form_widget);
   pane->addWidget(subpane);

wb/lib/wb/qt/wb_gre_qt.cqt

@@ -66,10 +66,10 @@ WGreQt::~WGreQt()
   }
 }
 
-int WGreQt::new_navigator(QWidget* parent)
+QWidget* WGreQt::create_navigator()
 {
   nav_widget = flownavwidgetqt_new(flow_widget);
-  return 1;
+  return nav_widget;
 }
 
 int WGreQt::new_navigator_popup()

wb/lib/wb/qt/wb_gre_qt.h

@@ -59,7 +59,7 @@ public:
   void trace_stop();
   void get_popup_position(int* x, int* y);
 
-  int new_navigator(QWidget* parent);
+  QWidget* create_navigator();
   int new_navigator_popup();
 
 private:

xtt/lib/flow/qt/flow_draw_qt.cqt

@@ -200,7 +200,7 @@ FlowDrawQt::FlowDrawQt(QWidget* x_toplevel, void** flow_ctx,
 
   assert(dynamic_cast<QtScrollWidgetFlow*>(toplevel) != NULL);
   m_wind.window = dynamic_cast<QtScrollWidgetFlow*>(toplevel);
-  m_wind.buffer = &(((QtScrollWidgetFlow*)m_wind.window)->image);
+  m_wind.buffer = &(dynamic_cast<QtScrollWidgetFlow*>(toplevel)->image);
 
   ctx->mw = &m_wind;
   ctx->navw = &nav_wind;
@@ -216,7 +216,7 @@ void FlowDrawQt::init_nav(QWidget* nav_widget, void* flow_ctx)
 {
   assert(dynamic_cast<QtScrollWidgetFlow*>(nav_widget) != NULL);
   nav_wind.window = dynamic_cast<QtScrollWidgetFlow*>(nav_widget);
-  nav_wind.buffer = &(((QtScrollWidgetFlow*)nav_wind.window)->image);
+  nav_wind.buffer = &(dynamic_cast<QtScrollWidgetFlow*>(nav_widget)->image);
 
   QPalette pal;
   pal.setColor(QPalette::Background, background);
@@ -744,18 +744,22 @@ void FlowDrawQt::event_handler(FlowCtx* ctx, QEvent* event, QWidget* target)
       }
       break;
     }
-    case QEvent::Show: {
-      sts = ctx->event_handler_nav(flow_eEvent_Map, 0, 0);
+    case QEvent::Paint:
+    case QEvent::UpdateRequest: {
+      QPaintEvent* paintEvent = ((QPaintEvent*)event);
+      sts = ctx->event_handler_nav(
+          flow_eEvent_Exposure, paintEvent->rect().x(), paintEvent->rect().y());
+      nav_wind.window->update();
       break;
     }
     case QEvent::MouseMove: {
-      QPoint pos = QCursor::pos();
+      QMouseEvent* mouseEvent = ((QMouseEvent*)event);
       if (button1_pressed || button2_pressed || button3_pressed) {
         sts = ctx->event_handler_nav(
-            flow_eEvent_ButtonMotion, pos.x(), pos.y());
+            flow_eEvent_ButtonMotion, mouseEvent->x(), mouseEvent->y());
       } else {
         sts = ctx->event_handler_nav(
-            flow_eEvent_CursorMotion, pos.x(), pos.y());
+            flow_eEvent_CursorMotion, mouseEvent->x(), mouseEvent->y());
       }
       break;
     }

xtt/lib/ge/qt/ge_qt.cqt

@@ -1954,8 +1954,7 @@ GeQt::GeQt(void* x_parent_ctx, ldh_tSesContext x_ldhses, int x_exit_when_close,
   add_expanding(vpaned, palbox);
   vpaned->addWidget(colpal_main_widget);
 
-  ((GraphQt*)graph)->create_navigator();
-  vpaned->addWidget(((GraphQt*)graph)->nav_widget);
+  vpaned->addWidget(((GraphQt*)graph)->create_navigator());
 
   graph_list = new GeItemViewQt(this);