QT: Fixed crash when repeatedly closing a GeAttr widget.

xtt/lib/ge/qt/ge_attr_qt.cqt

@@ -442,4 +442,5 @@ AttrQt::~AttrQt()
   if (original_data) {
     delete original_data;
   }
+  delete (AttrNavQt*)attrnav;
 }
\ No newline at end of file

xtt/lib/ge/qt/ge_graph_qt.cqt

@@ -107,7 +107,6 @@ GraphQt::~GraphQt()
 
 void GraphQt::trace_timer_remove()
 {
-  delete trace_obj;
   trace_timerid->stop();
 }
 

xtt/lib/ge/qt/ge_qt.cqt

@@ -1914,7 +1914,6 @@ GeQt::GeQt(void* x_parent_ctx, QWidget* x_parent_widget,
 
   graph = new GraphQt(this, toplevel, "GraphQt", &grow_widget, &sts,
       "pwrp_pop:", graph_eMode_Development, 1, 0, 0, 0, 0, opt);
-  /**/ showNow(grow_widget);
   graph->message_cb = &Ge::message_cb;
   graph->get_current_subgraph_cb = &Ge::subpalette_get_select;
   graph->get_current_colors_cb = &Ge::colorpalette_get_current;
@@ -1950,14 +1949,12 @@ GeQt::GeQt(void* x_parent_ctx, QWidget* x_parent_widget,
   subpalette->traverse_focus_cb = &Ge::traverse_focus;
   subpalette->help_cb = help_cb;
   add_expanding(palbox, subpalette_widget);
-  showNow(subpalette_widget);
   subpalette_mapped = 1;
 
   // Color palette
   debug_print("creating a scrolledcolpalwidgetqt\n");
   colpal_main_widget = scrolledcolpalwidgetqt_new(
       Ge::init_colorpalette_cb, this, &colorpalette_widget);
-  showNow(colpal_main_widget);
 
   if (ldhses) {
     plantctx = new NavQt(
@@ -1997,7 +1994,6 @@ GeQt::GeQt(void* x_parent_ctx, QWidget* x_parent_widget,
   ((GraphQt*)graph)->create_navigator(vpaned1);
   add_expanding(vpaned2, vpaned1);
   vpaned1->addWidget(((GraphQt*)graph)->nav_widget);
-  showNow(((GraphQt*)graph)->nav_widget);
 
   // Horizontal pane
   QSplitter* hpaned = new QSplitter(Qt::Horizontal);

xtt/lib/glow/qt/glow_draw_qt.cqt

@@ -1219,7 +1219,7 @@ int GlowDrawQt::polyline_helper(GlowWind* wind, int painter_type, int size,
   } else {
     QPoint* qpoints = points_to_qt_points(points, point_cnt);
     painter->setBrush(Qt::NoBrush);
-    debug_print("polyline painter_type=%d, fill=%d, point_cnt=%d\n", painter_type, fill, point_cnt);
+    // debug_print("polyline painter_type=%d, fill=%d, point_cnt=%d\n", painter_type, fill, point_cnt);
     painter->drawPolyline(qpoints, point_cnt);
     delete[] qpoints;
   }
@@ -1722,7 +1722,7 @@ void GlowDrawQt::clear_area(
   QPainter* painter = new QPainter(w->buffer);
   painter->setBackground(QBrush(background));
 
-  // debug_print("clear_area [%d, %d, %d, %d], color=%s\n", ll_x, ll_y, ur_x - ll_x, ur_y - ll_y, painter->background().color().name().toAscii().data());
+  // debug_print("clear_area [%d, %d, %d, %d], color=%s\n", ll_x, ll_y, ur_x - ll_x, ur_y - ll_y, qPrintable(painter->background().color().name()));
 
   painter->eraseRect(ll_x, ll_y, ur_x - ll_x, ur_y - ll_y);