wx: Fix the demo

Changing demo, didn't close the previous choosen demo, which
looked really bad on Windows.

26 files changed, 125 insertions, 33 deletions

diff --git a/lib/wx/examples/demo/demo.erl b/lib/wx/examples/demo/demo.erl
index b0802a5c32..76ebc804bb 100644
--- a/lib/wx/examples/demo/demo.erl
+++ b/lib/wx/examples/demo/demo.erl
@@ -204,7 +204,7 @@ handle_event(#wx{event=#wxCommand{type=command_listbox_selected, cmdString=Ex}},
 	    {noreply, State};
 	_  ->
 	    wxSizer:detach(DemoSz, Example),
-	    exit(wx_object:get_pid(Example), shutdown),
+	    wx_object:call(Example, shutdown),
 	    unload_code(Code),
 	    NewExample = load_example(Ex, State),
 	    wxSizer:add(DemoSz, NewExample, [{proportion,1}, {flag, ?wxEXPAND}]),
@@ -252,8 +252,7 @@ handle_event(#wx{id = Id,
 							   {caption, "About"}])),
 	    {noreply, State};
 	?wxID_EXIT ->
-	    exit(wx_object:get_pid(State#state.example), shutdown),
-	    timer:sleep(100), %% Give the example process some time to cleanup.
+	    wx_object:call(State#state.example, shutdown),
 	    {stop, normal, State};
 	_ ->
 	    {noreply, State}
@@ -270,8 +269,7 @@ code_change(_, _, State) ->
     {stop, not_yet_implemented, State}.
 
 terminate(_Reason, State) ->
-    exit(wx_object:get_pid(State#state.example), shutdown),
-    timer:sleep(100), %% Give the example process some time to cleanup.
+    catch wx_object:call(State#state.example, shutdown),
     wx:destroy().
 
 %%%%%%%%%%%%%%%%% Internals %%%%%%%%%%
@@ -279,8 +277,6 @@ terminate(_Reason, State) ->
 load_example(Ex, #state{demo={DemoPanel,DemoSz}, log=EvCtrl, code=Code}) ->
     ModStr = "ex_" ++ Ex,
     Mod = list_to_atom(ModStr),
-%%     WxDir = code:lib_dir(wx),
-%%     ModFile = filename:join([WxDir, "examples","demo", ModStr ++ ".erl"]),
     ModFile = ModStr ++ ".erl",
     load_code(Code, file:read_file(ModFile)),
     find(Code),
diff --git a/lib/wx/examples/demo/ex_aui.erl b/lib/wx/examples/demo/ex_aui.erl
index dc7416a116..70372caad8 100644
--- a/lib/wx/examples/demo/ex_aui.erl
+++ b/lib/wx/examples/demo/ex_aui.erl
@@ -87,6 +87,12 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n", [Msg]),
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel, aui=Manager}) ->
+    wxAuiManager:unInit(Manager),
+    wxAuiManager:destroy(Manager),
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config, "Got Call ~p\n", [Msg]),
     {reply,{error, nyi}, State}.
@@ -136,10 +142,7 @@ handle_event(Ev = #wx{}, State) ->
 code_change(_, _, State) ->
     {stop, ignore, State}.
 
-terminate(_Reason, #state{aui=Manager, parent=Panel}) ->
-    wxAuiManager:unInit(Manager),
-    wxAuiManager:destroy(Manager),
-    wxPanel:destroy(Panel),
+terminate(_Reason, _) ->
     ok.
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/lib/wx/examples/demo/ex_button.erl b/lib/wx/examples/demo/ex_button.erl
index 0dd0363933..41bf34e572 100644
--- a/lib/wx/examples/demo/ex_button.erl
+++ b/lib/wx/examples/demo/ex_button.erl
@@ -25,7 +25,8 @@
 -include_lib("wx/include/wx.hrl").
 
 -behaviour(wx_object).
--export([start/1, init/1, terminate/2,  code_change/3,
+-export([start/1, init/1,
+	 terminate/2,  code_change/3,
 	 handle_info/2, handle_call/3, handle_cast/2, handle_event/2]).
 
 -record(state, 
@@ -120,6 +121,7 @@ do_init(Config) ->
     wxWindow:connect(Panel, command_button_clicked),
     wxWindow:setSizer(Panel, Sz),
     wxSizer:layout(Sz),
+    wxWindow:refresh(Panel),
     wxScrolledWindow:setScrollRate(Panel, 5, 5),
     {Panel, #state{parent=Panel, config=Config}}.
 
@@ -149,6 +151,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p~n",[Msg]),
     {noreply,State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config,"Got Call ~p~n",[Msg]),
     {reply,ok,State}.
@@ -160,7 +166,7 @@ handle_cast(Msg, State) ->
 code_change(_, _, State) ->
     {stop, ignore, State}.
 
-terminate(_Reason, _State) ->
+terminate(_Reason, _) ->
     ok.
 
 %%%%%  a copy from wxwidgets samples.
diff --git a/lib/wx/examples/demo/ex_canvas.erl b/lib/wx/examples/demo/ex_canvas.erl
index 1ec4760f40..1f1d260276 100644
--- a/lib/wx/examples/demo/ex_canvas.erl
+++ b/lib/wx/examples/demo/ex_canvas.erl
@@ -140,6 +140,9 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n", [Msg]),
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config, "Got Call ~p\n", [Msg]),
     {reply,{error, nyi}, State}.
@@ -151,7 +154,7 @@ handle_cast(Msg, State) ->
 code_change(_, _, State) ->
     {stop, ignore, State}.
 
-terminate(_Reason, _State) ->
+terminate(_Reason, _) ->
     ok.
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/lib/wx/examples/demo/ex_canvas_paint.erl b/lib/wx/examples/demo/ex_canvas_paint.erl
index 17c7ad9cac..6873724655 100644
--- a/lib/wx/examples/demo/ex_canvas_paint.erl
+++ b/lib/wx/examples/demo/ex_canvas_paint.erl
@@ -207,6 +207,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n", [Msg]),
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config, "Got Call ~p\n", [Msg]),
     {reply,{error, nyi}, State}.
@@ -218,7 +222,7 @@ handle_cast(Msg, State) ->
 code_change(_, _, State) ->
     {stop, ignore, State}.
 
-terminate(_Reason, _State) ->
+terminate(_Reason, _) ->
     ok.
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/lib/wx/examples/demo/ex_choices.erl b/lib/wx/examples/demo/ex_choices.erl
index 2e456ae249..b4418293c1 100644
--- a/lib/wx/examples/demo/ex_choices.erl
+++ b/lib/wx/examples/demo/ex_choices.erl
@@ -143,6 +143,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n",[Msg]),
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config,"Got Call ~p\n",[Msg]),
     {reply, {error,nyi}, State}.
@@ -154,7 +158,7 @@ handle_cast(Msg, State) ->
 code_change(_, _, State) ->
     {stop, ignore, State}.
 
-terminate(_Reason, _State) ->
+terminate(_Reason, _) ->
     ok.
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/lib/wx/examples/demo/ex_cursor.erl b/lib/wx/examples/demo/ex_cursor.erl
index c1a558541b..2f1eaaf7c7 100644
--- a/lib/wx/examples/demo/ex_cursor.erl
+++ b/lib/wx/examples/demo/ex_cursor.erl
@@ -131,6 +131,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n", [Msg]),
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config, "Got Call ~p\n", [Msg]),
     {reply,{error, nyi}, State}.
diff --git a/lib/wx/examples/demo/ex_dialogs.erl b/lib/wx/examples/demo/ex_dialogs.erl
index b39344f8b1..5c47b51271 100644
--- a/lib/wx/examples/demo/ex_dialogs.erl
+++ b/lib/wx/examples/demo/ex_dialogs.erl
@@ -149,6 +149,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n", [Msg]),
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config, "Got Call ~p\n", [Msg]),
     {reply,{error, nyi}, State}.
diff --git a/lib/wx/examples/demo/ex_frame_utils.erl b/lib/wx/examples/demo/ex_frame_utils.erl
index a90642b355..4a59bb3a68 100644
--- a/lib/wx/examples/demo/ex_frame_utils.erl
+++ b/lib/wx/examples/demo/ex_frame_utils.erl
@@ -98,6 +98,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n", [Msg]),
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config, "Got Call ~p\n", [Msg]),
     {reply,{error, nyi}, State}.
diff --git a/lib/wx/examples/demo/ex_gauge.erl b/lib/wx/examples/demo/ex_gauge.erl
index ffc667ff05..c53dfb807b 100644
--- a/lib/wx/examples/demo/ex_gauge.erl
+++ b/lib/wx/examples/demo/ex_gauge.erl
@@ -114,6 +114,10 @@ handle_info(pulse, State=#state{undeterminate_gauge = Gauge=#gauge{obj = Obj}})
     Timer = erlang:send_after(300, self(), pulse),
     {noreply, State#state{undeterminate_gauge = Gauge#gauge{timer = Timer}}}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config,"Got Call ~p\n",[Msg]),
     {reply,ok, State}.
diff --git a/lib/wx/examples/demo/ex_gl.erl b/lib/wx/examples/demo/ex_gl.erl
index 501aed8feb..0e656071b3 100644
--- a/lib/wx/examples/demo/ex_gl.erl
+++ b/lib/wx/examples/demo/ex_gl.erl
@@ -113,7 +113,13 @@ handle_info(stop, State) ->
     timer:cancel(State#state.timer),
     catch wxGLCanvas:destroy(State#state.canvas),
     {stop, normal, State}.
-    
+
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    catch wxGLCanvas:destroy(State#state.canvas),
+    timer:cancel(State#state.timer),
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     io:format("Got Call ~p~n",[Msg]),
     {reply,ok,State}.
@@ -125,11 +131,8 @@ handle_cast(Msg, State) ->
 code_change(_, _, State) ->
     {stop, not_yet_implemented, State}.
 
-terminate(_Reason, State) ->
-    catch wxGLCanvas:destroy(State#state.canvas),
-    timer:cancel(State#state.timer),
-    timer:sleep(300).
-
+terminate(_Reason, _State) ->
+    ok.
 
 
 -define(VS, {{-0.5, -0.5, -0.5},  %1
diff --git a/lib/wx/examples/demo/ex_graphicsContext.erl b/lib/wx/examples/demo/ex_graphicsContext.erl
index 15492ecc66..59bfe7ff64 100644
--- a/lib/wx/examples/demo/ex_graphicsContext.erl
+++ b/lib/wx/examples/demo/ex_graphicsContext.erl
@@ -25,8 +25,8 @@
 
 %% wx_object callbacks
 -export([init/1, terminate/2,  code_change/3,
-	 handle_info/2, handle_call/3,
-handle_cast/2, 	 handle_event/2, handle_sync_event/3]).
+	 handle_info/2, handle_call/3,handle_cast/2, 	 
+	 handle_event/2, handle_sync_event/3]).
 
 -include_lib("wx/include/wx.hrl").
 
@@ -57,11 +57,9 @@ do_init(Config) ->
 				 [{label, "wxGrapicsContext"}]),
 
     Win = wxPanel:new(Panel, []),
-    Pen = wxPen:new(),
+    Pen = ?wxBLACK_PEN,
     Brush = wxBrush:new({30, 175, 23, 127}),
-    Font = wxFont:new(),
-    wxFont:setWeight(Font, ?wxBOLD),
-
+    Font = ?wxITALIC_FONT,
     wxPanel:connect(Win, paint, [callback]),
 
     %% Add to sizers
@@ -94,6 +92,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n", [Msg]),
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config, "Got Call ~p\n", [Msg]),
     {reply,{error, nyi}, State}.
@@ -112,13 +114,12 @@ terminate(_Reason, _State) ->
 %% Local functions
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-draw(Win, Pen, Brush, Font0) ->
+draw(Win, Pen, Brush, Font) ->
     try
 	Canvas = wxGraphicsContext:create(Win),
 	wxGraphicsContext:setPen(Canvas, Pen),
 	wxGraphicsContext:setBrush(Canvas, Brush),
-	Font  = wxGraphicsContext:createFont(Canvas, Font0),
-	wxGraphicsContext:setFont(Canvas, Font),
+	wxGraphicsContext:setFont(Canvas, Font, {0, 0, 50}),
 	
 	wxGraphicsContext:drawRoundedRectangle(Canvas, 35.0,35.0, 100.0, 50.0, 10.0),
 	wxGraphicsContext:drawText(Canvas, "This text should be antialised", 60.0, 55.0),
diff --git a/lib/wx/examples/demo/ex_grid.erl b/lib/wx/examples/demo/ex_grid.erl
index d1a9952ab2..e284836d5b 100644
--- a/lib/wx/examples/demo/ex_grid.erl
+++ b/lib/wx/examples/demo/ex_grid.erl
@@ -78,6 +78,10 @@ handle_event(#wx{event = #wxGrid{type = grid_cell_change,
 handle_info(_Msg, State) ->
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(_Msg, _From, State) ->
     {reply,{error, nyi}, State}.
 
diff --git a/lib/wx/examples/demo/ex_htmlWindow.erl b/lib/wx/examples/demo/ex_htmlWindow.erl
index 564c790e48..af3d4c71f5 100644
--- a/lib/wx/examples/demo/ex_htmlWindow.erl
+++ b/lib/wx/examples/demo/ex_htmlWindow.erl
@@ -77,6 +77,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n", [Msg]),
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config, "Got Call ~p\n", [Msg]),
     {reply,{error, nyi}, State}.
diff --git a/lib/wx/examples/demo/ex_listCtrl.erl b/lib/wx/examples/demo/ex_listCtrl.erl
index 13096dfa52..2c62ac9d5f 100644
--- a/lib/wx/examples/demo/ex_listCtrl.erl
+++ b/lib/wx/examples/demo/ex_listCtrl.erl
@@ -58,8 +58,8 @@ do_init(Config) ->
     IL = wxImageList:new(16,16),
     wxImageList:add(IL, wxArtProvider:getBitmap("wxART_COPY", [{size, {16,16}}])),
     wxImageList:add(IL, wxArtProvider:getBitmap("wxART_MISSING_IMAGE", [{size, {16,16}}])),
-    wxImageList:add(IL, wxArtProvider:getBitmap("wxART_TICK_MARK", [{size, {16,16}}])),
-    wxImageList:add(IL, wxArtProvider:getBitmap("wxART_CROSS_MARK", [{size, {16,16}}])),
+    wxImageList:add(IL, wxArtProvider:getBitmap("wxART_QUESTION", [{size, {16,16}}])),
+    wxImageList:add(IL, wxArtProvider:getBitmap("wxART_WARNING", [{size, {16,16}}])),
     wxListCtrl:assignImageList(ListCtrl2, IL, ?wxIMAGE_LIST_SMALL),
     Fun =
 	fun(Item) ->
@@ -143,6 +143,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n",[Msg]),
     {noreply,State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config,"Got Call ~p\n",[Msg]),
     {reply,ok,State}.
diff --git a/lib/wx/examples/demo/ex_notebook.erl b/lib/wx/examples/demo/ex_notebook.erl
index fc38fdae08..5edcc65082 100644
--- a/lib/wx/examples/demo/ex_notebook.erl
+++ b/lib/wx/examples/demo/ex_notebook.erl
@@ -129,6 +129,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n",[Msg]),
     {noreply,State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config,"Got Call ~p\n",[Msg]),
     {reply,ok,State}.
diff --git a/lib/wx/examples/demo/ex_pickers.erl b/lib/wx/examples/demo/ex_pickers.erl
index 8013a5ba32..54f8c7a8e5 100644
--- a/lib/wx/examples/demo/ex_pickers.erl
+++ b/lib/wx/examples/demo/ex_pickers.erl
@@ -120,6 +120,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n", [Msg]),
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config, "Got Call ~p\n", [Msg]),
     {reply,{error, nyi}, State}.
diff --git a/lib/wx/examples/demo/ex_popupMenu.erl b/lib/wx/examples/demo/ex_popupMenu.erl
index d6778c5dc5..f48b00963d 100644
--- a/lib/wx/examples/demo/ex_popupMenu.erl
+++ b/lib/wx/examples/demo/ex_popupMenu.erl
@@ -86,6 +86,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n", [Msg]),
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config, "Got Call ~p\n", [Msg]),
     {reply,{error, nyi}, State}.
diff --git a/lib/wx/examples/demo/ex_radioBox.erl b/lib/wx/examples/demo/ex_radioBox.erl
index ab7685f41f..17a11d1054 100644
--- a/lib/wx/examples/demo/ex_radioBox.erl
+++ b/lib/wx/examples/demo/ex_radioBox.erl
@@ -103,6 +103,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n",[Msg]),
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config,"Got Call ~p\n",[Msg]),
     {reply, {error, nyi}, State}.
diff --git a/lib/wx/examples/demo/ex_sashWindow.erl b/lib/wx/examples/demo/ex_sashWindow.erl
index d8a8958f28..9eb3b9b27e 100644
--- a/lib/wx/examples/demo/ex_sashWindow.erl
+++ b/lib/wx/examples/demo/ex_sashWindow.erl
@@ -112,6 +112,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n", [Msg]),
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config, "Got Call ~p\n", [Msg]),
     {reply,{error, nyi}, State}.
diff --git a/lib/wx/examples/demo/ex_sizers.erl b/lib/wx/examples/demo/ex_sizers.erl
index 7b9e8eb37f..ecd539cd62 100644
--- a/lib/wx/examples/demo/ex_sizers.erl
+++ b/lib/wx/examples/demo/ex_sizers.erl
@@ -97,6 +97,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n", [Msg]),
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config, "Got Call ~p\n", [Msg]),
     {reply,{error, nyi}, State}.
diff --git a/lib/wx/examples/demo/ex_slider.erl b/lib/wx/examples/demo/ex_slider.erl
index 612543ff26..4979e8b4f4 100644
--- a/lib/wx/examples/demo/ex_slider.erl
+++ b/lib/wx/examples/demo/ex_slider.erl
@@ -97,6 +97,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n",[Msg]),
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config,"Got Call ~p\n",[Msg]),
     {reply, {error, nyi},State}.
diff --git a/lib/wx/examples/demo/ex_splitterWindow.erl b/lib/wx/examples/demo/ex_splitterWindow.erl
index 4f25b73293..ac2fbe0113 100644
--- a/lib/wx/examples/demo/ex_splitterWindow.erl
+++ b/lib/wx/examples/demo/ex_splitterWindow.erl
@@ -86,6 +86,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n", [Msg]),
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config, "Got Call ~p\n", [Msg]),
     {reply,{error, nyi}, State}.
diff --git a/lib/wx/examples/demo/ex_static.erl b/lib/wx/examples/demo/ex_static.erl
index 013bd5ac35..8cf477b55a 100644
--- a/lib/wx/examples/demo/ex_static.erl
+++ b/lib/wx/examples/demo/ex_static.erl
@@ -101,6 +101,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n", [Msg]),
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config, "Got Call ~p\n", [Msg]),
     {reply,{error, nyi}, State}.
diff --git a/lib/wx/examples/demo/ex_textCtrl.erl b/lib/wx/examples/demo/ex_textCtrl.erl
index 3eadb2bd8f..57088ad878 100644
--- a/lib/wx/examples/demo/ex_textCtrl.erl
+++ b/lib/wx/examples/demo/ex_textCtrl.erl
@@ -84,6 +84,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n",[Msg]),
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config,"Got Call ~p\n",[Msg]),
     {reply, {error,nyi}, State}.
diff --git a/lib/wx/examples/demo/ex_treeCtrl.erl b/lib/wx/examples/demo/ex_treeCtrl.erl
index 611904500a..7698ab1f00 100644
--- a/lib/wx/examples/demo/ex_treeCtrl.erl
+++ b/lib/wx/examples/demo/ex_treeCtrl.erl
@@ -105,6 +105,10 @@ handle_info(Msg, State) ->
     demo:format(State#state.config, "Got Info ~p\n", [Msg]),
     {noreply, State}.
 
+handle_call(shutdown, _From, State=#state{parent=Panel}) ->
+    wxPanel:destroy(Panel),
+    {stop, normal, ok, State};
+
 handle_call(Msg, _From, State) ->
     demo:format(State#state.config, "Got Call ~p\n", [Msg]),
     {reply,{error, nyi}, State}.