diff --git a/pandatool/src/pstatserver/pStatClientData.cxx b/pandatool/src/pstatserver/pStatClientData.cxx
index 06c8ff2070..cdc7763ded 100644
--- a/pandatool/src/pstatserver/pStatClientData.cxx
+++ b/pandatool/src/pstatserver/pStatClientData.cxx
@@ -324,6 +324,12 @@ add_collector(PStatCollectorDef *def) {
 
   _collectors[def->_index]._def = def;
   update_toplevel_collectors();
+
+  // If we already had the _is_level flag set, it should be
+  // immediately applied to all ancestors.
+  if (_collectors[def->_index]._is_level) {
+    set_collector_has_level(def->_parent_index, true);
+  }
 }
 
 ////////////////////////////////////////////////////////////////////
diff --git a/pandatool/src/pstatserver/pStatStripChart.cxx b/pandatool/src/pstatserver/pStatStripChart.cxx
index b832a3b886..aee76e490b 100644
--- a/pandatool/src/pstatserver/pStatStripChart.cxx
+++ b/pandatool/src/pstatserver/pStatStripChart.cxx
@@ -641,7 +641,11 @@ draw_pixels(int first_pixel, int last_pixel) {
       float time = pixel_to_timestamp(x);
       frame_number = thread_data->get_frame_number_at_time(time, frame_number);
       int w = 1;
-      while (x + w <= last_pixel && 
+      int stop_pixel = last_pixel;
+      if (!_scroll_mode) {
+        stop_pixel = min(stop_pixel, _cursor_pixel);
+      }
+      while (x + w < stop_pixel && 
              thread_data->get_frame_number_at_time(pixel_to_timestamp(x + w), frame_number) == frame_number) {
         w++;
       }
@@ -653,5 +657,6 @@ draw_pixels(int first_pixel, int last_pixel) {
       x += w;
     }
   }
+
   end_draw(first_pixel, last_pixel);
 }
diff --git a/pandatool/src/win-stats/Sources.pp b/pandatool/src/win-stats/Sources.pp
index 22baa0149f..1262935da8 100644
--- a/pandatool/src/win-stats/Sources.pp
+++ b/pandatool/src/win-stats/Sources.pp
@@ -17,7 +17,7 @@
     winStatsLabel.cxx winStatsLabel.h \
     winStatsLabelStack.cxx winStatsLabelStack.h \
     winStatsServer.cxx winStatsServer.h \
-    winStatsMonitor.cxx winStatsMonitor.h \
+    winStatsMonitor.cxx winStatsMonitor.h winStatsMonitor.I \
     winStatsStripChart.cxx winStatsStripChart.h
 
   #define WIN_SYS_LIBS Imm32.lib winmm.lib kernel32.lib oldnames.lib user32.lib gdi32.lib
diff --git a/pandatool/src/win-stats/winStatsChartMenu.cxx b/pandatool/src/win-stats/winStatsChartMenu.cxx
index 89abeb2f81..d710ae4103 100755
--- a/pandatool/src/win-stats/winStatsChartMenu.cxx
+++ b/pandatool/src/win-stats/winStatsChartMenu.cxx
@@ -17,7 +17,7 @@
 ////////////////////////////////////////////////////////////////////
 
 #include "winStatsChartMenu.h"
-#include "pStatMonitor.h"
+#include "winStatsMonitor.h"
 
 ////////////////////////////////////////////////////////////////////
 //     Function: WinStatsChartMenu::Constructor
@@ -25,7 +25,7 @@
 //  Description:
 ////////////////////////////////////////////////////////////////////
 WinStatsChartMenu::
-WinStatsChartMenu(PStatMonitor *monitor, int thread_index) :
+WinStatsChartMenu(WinStatsMonitor *monitor, int thread_index) :
   _monitor(monitor),
   _thread_index(thread_index)
 {
@@ -153,25 +153,29 @@ add_view(HMENU parent_menu, const PStatViewLevel *view_level) {
   const PStatClientData *client_data = _monitor->get_client_data();
   string collector_name = client_data->get_collector_name(collector);
 
+  WinStatsMonitor::MenuDef menu_def(_thread_index, collector);
+  int menu_id = _monitor->get_menu_id(menu_def);
+
   MENUITEMINFO mii;
   memset(&mii, 0, sizeof(mii));
   mii.cbSize = sizeof(mii);
 
-  mii.fMask = MIIM_STRING | MIIM_FTYPE; 
+  mii.fMask = MIIM_STRING | MIIM_FTYPE | MIIM_ID; 
   mii.fType = MFT_STRING; 
+  mii.wID = menu_id;
   mii.dwTypeData = (char *)collector_name.c_str(); 
   InsertMenuItem(parent_menu, GetMenuItemCount(parent_menu), TRUE, &mii);
 
   int num_children = view_level->get_num_children();
-  if (num_children != 0) {
-    // If the collector has any children, add a menu entry to go
+  if (num_children > 1) {
+    // If the collector has more than one child, add a menu entry to go
     // directly to each of its children.
     HMENU submenu = CreatePopupMenu();
     string submenu_name = collector_name + " components";
 
-    mii.fMask = MIIM_STRING | MIIM_FTYPE | MIIM_SUBMENU; 
+    mii.fMask = MIIM_STRING | MIIM_FTYPE | MIIM_SUBMENU;
     mii.fType = MFT_STRING; 
-    mii.hSubMenu = submenu; 
+    mii.hSubMenu = submenu;
     mii.dwTypeData = (char *)submenu_name.c_str(); 
     InsertMenuItem(parent_menu, GetMenuItemCount(parent_menu), TRUE, &mii);
 
diff --git a/pandatool/src/win-stats/winStatsChartMenu.h b/pandatool/src/win-stats/winStatsChartMenu.h
index daf8b0741f..aa9253c890 100755
--- a/pandatool/src/win-stats/winStatsChartMenu.h
+++ b/pandatool/src/win-stats/winStatsChartMenu.h
@@ -23,7 +23,7 @@
 
 #include <windows.h>
 
-class PStatMonitor;
+class WinStatsMonitor;
 class PStatView;
 class PStatViewLevel;
 
@@ -34,7 +34,7 @@ class PStatViewLevel;
 ////////////////////////////////////////////////////////////////////
 class WinStatsChartMenu {
 public:
-  WinStatsChartMenu(PStatMonitor *monitor, int thread_index);
+  WinStatsChartMenu(WinStatsMonitor *monitor, int thread_index);
   ~WinStatsChartMenu();
 
   HMENU get_menu_handle();
@@ -46,7 +46,7 @@ public:
 private:
   void add_view(HMENU parent_menu, const PStatViewLevel *view_level);
 
-  PStatMonitor *_monitor;
+  WinStatsMonitor *_monitor;
   int _thread_index;
 
   int _last_level_index;
diff --git a/pandatool/src/win-stats/winStatsGraph.cxx b/pandatool/src/win-stats/winStatsGraph.cxx
index 6ea1504531..1f0549853e 100644
--- a/pandatool/src/win-stats/winStatsGraph.cxx
+++ b/pandatool/src/win-stats/winStatsGraph.cxx
@@ -262,6 +262,10 @@ setup_bitmap(int xsize, int ysize) {
   _bitmap_dc = CreateCompatibleDC(hdc);
   _bitmap = CreateCompatibleBitmap(hdc, _bitmap_xsize, _bitmap_ysize);
   SelectObject(_bitmap_dc, _bitmap);
+
+  RECT rect = { 0, 0, _bitmap_xsize, _bitmap_ysize };
+  FillRect(_bitmap_dc, &rect, (HBRUSH)GetStockObject(WHITE_BRUSH));
+
   ReleaseDC(_window, hdc);
 }
 
@@ -320,7 +324,7 @@ create_graph_window() {
   register_graph_window_class(application);
 
   string window_title = "graph";
-  DWORD window_style = WS_CHILD;
+  DWORD window_style = WS_CHILD | WS_CLIPSIBLINGS;
 
   _graph_window = 
     CreateWindow(_graph_window_class_name, window_title.c_str(), window_style,
diff --git a/pandatool/src/win-stats/winStatsLabel.cxx b/pandatool/src/win-stats/winStatsLabel.cxx
index e42cd7e884..6db09e5e66 100755
--- a/pandatool/src/win-stats/winStatsLabel.cxx
+++ b/pandatool/src/win-stats/winStatsLabel.cxx
@@ -186,7 +186,7 @@ create_window(HWND parent_window) {
   register_window_class(application);
 
   _window = 
-    CreateWindow(_window_class_name, _text.c_str(), WS_CHILD,
+    CreateWindow(_window_class_name, _text.c_str(), WS_CHILD | WS_CLIPSIBLINGS,
                  0, 0, 0, 0,
                  parent_window, NULL, application, 0);
   if (!_window) {
diff --git a/pandatool/src/win-stats/winStatsLabelStack.cxx b/pandatool/src/win-stats/winStatsLabelStack.cxx
index daa057b196..f88720ddad 100755
--- a/pandatool/src/win-stats/winStatsLabelStack.cxx
+++ b/pandatool/src/win-stats/winStatsLabelStack.cxx
@@ -18,6 +18,7 @@
 
 #include "winStatsLabelStack.h"
 #include "winStatsLabel.h"
+#include "notify.h"
 
 bool WinStatsLabelStack::_window_class_registered = false;
 const char * const WinStatsLabelStack::_window_class_name = "stack";
@@ -211,7 +212,7 @@ create_window(HWND parent_window) {
   register_window_class(application);
 
   _window = 
-    CreateWindow(_window_class_name, "label stack", WS_CHILD | WS_CLIPCHILDREN,
+    CreateWindow(_window_class_name, "label stack", WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS,
                  0, 0, 0, 0,
                  parent_window, NULL, application, 0);
   if (!_window) {
diff --git a/pandatool/src/win-stats/winStatsMonitor.I b/pandatool/src/win-stats/winStatsMonitor.I
new file mode 100755
index 0000000000..439918031b
--- /dev/null
+++ b/pandatool/src/win-stats/winStatsMonitor.I
@@ -0,0 +1,43 @@
+// Filename: winStatsMonitor.I
+// Created by:  drose (09Jan04)
+//
+////////////////////////////////////////////////////////////////////
+//
+// PANDA 3D SOFTWARE
+// Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
+//
+// All use of this software is subject to the terms of the Panda 3d
+// Software license.  You should have received a copy of this license
+// along with this source code; you will also find a current copy of
+// the license at http://www.panda3d.org/license.txt .
+//
+// To contact the maintainers of this program write to
+// panda3d@yahoogroups.com .
+//
+////////////////////////////////////////////////////////////////////
+
+
+////////////////////////////////////////////////////////////////////
+//     Function: WinStatsMonitor::MenuDef::Constructor
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+WinStatsMonitor::MenuDef::
+MenuDef(int thread_index, int collector_index) :
+  _thread_index(thread_index),
+  _collector_index(collector_index)
+{
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: WinStatsMonitor::MenuDef::operator <
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+bool WinStatsMonitor::MenuDef::
+operator < (const MenuDef &other) const {
+  if (_thread_index != other._thread_index) {
+    return _thread_index < other._thread_index;
+  }
+  return _collector_index < other._collector_index;
+}
diff --git a/pandatool/src/win-stats/winStatsMonitor.cxx b/pandatool/src/win-stats/winStatsMonitor.cxx
index 0d19a6e0d4..4ddef70ee3 100644
--- a/pandatool/src/win-stats/winStatsMonitor.cxx
+++ b/pandatool/src/win-stats/winStatsMonitor.cxx
@@ -168,6 +168,7 @@ new_thread(int thread_index) {
   WinStatsChartMenu *chart_menu = new WinStatsChartMenu(this, thread_index);
   chart_menu->add_to_menu_bar(_menu_bar);
   _chart_menus.push_back(chart_menu);
+  DrawMenuBar(_window);
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -245,6 +246,45 @@ get_window() const {
   return _window;
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: WinStatsMonitor::lookup_menu
+//       Access: Public
+//  Description: Returns the MenuDef properties associated with the
+//               indicated menu ID.  This specifies what we expect to
+//               do when the given menu has been selected.
+////////////////////////////////////////////////////////////////////
+const WinStatsMonitor::MenuDef &WinStatsMonitor::
+lookup_menu(int menu_id) const {
+  static MenuDef invalid(0, 0);
+  nassertr(menu_id >= 0 && menu_id < (int)_menu_by_id.size(), invalid);
+  return _menu_by_id[menu_id];
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: WinStatsMonitor::get_menu_id
+//       Access: Public
+//  Description: Returns the menu ID that is reserved for the
+//               indicated MenuDef properties.  If this is the first
+//               time these particular properties have been requested,
+//               a new menu ID is returned; otherwise, the existing
+//               menu ID is returned.
+////////////////////////////////////////////////////////////////////
+int WinStatsMonitor::
+get_menu_id(const MenuDef &menu_def) {
+  MenuByDef::iterator mi;
+  mi = _menu_by_def.find(menu_def);
+  if (mi != _menu_by_def.end()) {
+    return (*mi).second;
+  }
+
+  // Slot a new id.
+  int menu_id = (int)_menu_by_id.size();
+  _menu_by_id.push_back(menu_def);
+  _menu_by_def[menu_def] = menu_id;
+
+  return menu_id;
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: WinStatsMonitor::add_graph
 //       Access: Private
@@ -306,6 +346,7 @@ create_window() {
 
   SetWindowLongPtr(_window, 0, (LONG_PTR)this);
   ShowWindow(_window, SW_SHOWNORMAL);
+  ShowWindow(_window, SW_SHOWNORMAL);
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -369,6 +410,18 @@ window_proc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam) {
     close();
     break;
 
+  case WM_COMMAND:
+    if (HIWORD(wparam) <= 1) {
+      int menu_id = LOWORD(wparam);
+      const MenuDef &menu_def = lookup_menu(menu_id);
+      WinStatsStripChart *chart = 
+        new WinStatsStripChart(this, get_view(menu_def._thread_index), 
+                               menu_def._collector_index);
+      add_graph(chart);
+      return 0;
+    }
+    break;
+
   default:
     break;
   }
diff --git a/pandatool/src/win-stats/winStatsMonitor.h b/pandatool/src/win-stats/winStatsMonitor.h
index 220ad7de59..8a8c8cb165 100644
--- a/pandatool/src/win-stats/winStatsMonitor.h
+++ b/pandatool/src/win-stats/winStatsMonitor.h
@@ -25,6 +25,8 @@
 #include "pStatMonitor.h"
 #include "pointerTo.h"
 #include "pset.h"
+#include "pvector.h"
+#include "pmap.h"
 
 #include <windows.h>
 
@@ -37,6 +39,15 @@ class WinStatsChartMenu;
 ////////////////////////////////////////////////////////////////////
 class WinStatsMonitor : public PStatMonitor {
 public:
+  class MenuDef {
+  public:
+    INLINE MenuDef(int thread_index, int collector_index);
+    INLINE bool operator < (const MenuDef &other) const;
+
+    int _thread_index;
+    int _collector_index;
+  };
+
   WinStatsMonitor();
   virtual ~WinStatsMonitor();
 
@@ -54,6 +65,9 @@ public:
   virtual bool has_idle();
 
   HWND get_window() const;
+
+  const MenuDef &lookup_menu(int menu_id) const;
+  int get_menu_id(const MenuDef &menu_def);
   
 private:
   void add_graph(WinStatsGraph *graph);
@@ -71,6 +85,11 @@ private:
   typedef pvector<WinStatsChartMenu *> ChartMenus;
   ChartMenus _chart_menus;
 
+  typedef pvector<MenuDef> MenuById;
+  typedef pmap<MenuDef, int> MenuByDef;
+  MenuById _menu_by_id;
+  MenuByDef _menu_by_def;
+
   HWND _window;
   HMENU _menu_bar;
   string _window_title;
@@ -81,4 +100,6 @@ private:
   friend class WinStatsGraph;
 };
 
+#include "winStatsMonitor.I"
+
 #endif
diff --git a/pandatool/src/win-stats/winStatsStripChart.cxx b/pandatool/src/win-stats/winStatsStripChart.cxx
index bb32653199..3311c0c2e7 100644
--- a/pandatool/src/win-stats/winStatsStripChart.cxx
+++ b/pandatool/src/win-stats/winStatsStripChart.cxx
@@ -38,7 +38,6 @@ WinStatsStripChart(WinStatsMonitor *monitor, PStatView &view,
                   default_strip_chart_height),
   WinStatsGraph(monitor)
 {
-  cerr << "Constructing strip chart " << (void *)this << "\n";
   _brush_origin = 0;
 
   create_window();
@@ -52,7 +51,6 @@ WinStatsStripChart(WinStatsMonitor *monitor, PStatView &view,
 ////////////////////////////////////////////////////////////////////
 WinStatsStripChart::
 ~WinStatsStripChart() {
-  cerr << "Destructing strip chart " << (void *)this << "\n";
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -235,7 +233,7 @@ draw_cursor(int x) {
 void WinStatsStripChart::
 end_draw(int from_x, int to_x) {
   RECT rect = { 
-    from_x, 0, to_x, get_ysize() 
+    from_x, 0, to_x + 1, get_ysize() 
   };
   InvalidateRect(_graph_window, &rect, FALSE);
 }
@@ -255,7 +253,7 @@ create_window() {
   register_window_class(application);
 
   string window_title = get_title_text();
-  DWORD window_style = WS_CHILD | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW | WS_VISIBLE;
+  DWORD window_style = WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_OVERLAPPEDWINDOW | WS_VISIBLE;
 
   RECT win_rect = { 
     0, 0,
@@ -279,6 +277,10 @@ create_window() {
 
   SetWindowLongPtr(_window, 0, (LONG_PTR)this);
   setup_label_stack();
+
+  // Ensure that the window is on top of the stack.
+  SetWindowPos(_window, HWND_TOP, 0, 0, 0, 0, 
+               SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW);
 }
 
 ////////////////////////////////////////////////////////////////////