wx: Fix demo and tests

Added debugging and workarounds for wx-2.9 on Mac

1 files changed, 31 insertions, 15 deletions

diff --git a/lib/wx/examples/demo/ex_gl.erl b/lib/wx/examples/demo/ex_gl.erl
index 0e656071b3..6bb2d12dff 100644
--- a/lib/wx/examples/demo/ex_gl.erl
+++ b/lib/wx/examples/demo/ex_gl.erl
@@ -20,7 +20,8 @@
 
 -behaviour(wx_object).
 
--export([init/1, code_change/3, handle_info/2, handle_event/2,
+-export([init/1, code_change/3, handle_info/2, 
+	 handle_sync_event/3, handle_event/2,
 	 handle_call/3, handle_cast/2, terminate/2,
 	 start/1]).
 
@@ -34,6 +35,7 @@
 	  config,
 	  gl,
 	  canvas,
+	  image, 
 	  timer,
 	  time
 	 }).
@@ -58,7 +60,7 @@ do_init(Config) ->
     %% Setup sizer
     Sizer = wxStaticBoxSizer:new(?wxHORIZONTAL, Panel, [{label, "wxGLCanvas"}]),
 
-    Opts = [{size, {300,300}}, {style, ?wxSUNKEN_BORDER}],
+    Opts = [{style, ?wxFULL_REPAINT_ON_RESIZE}],
     GLAttrib = [{attribList, [?WX_GL_RGBA,
 			      ?WX_GL_DOUBLEBUFFER,
 			      ?WX_GL_MIN_RED,8,
@@ -67,34 +69,48 @@ do_init(Config) ->
 			      ?WX_GL_DEPTH_SIZE,24,0]}],
     Canvas = wxGLCanvas:new(Panel,Opts ++ GLAttrib),
     wxGLCanvas:connect(Canvas, size),
-    %% Demo window is already shown so we can setCurrent directly
-    wxGLCanvas:setCurrent(Canvas),
+    wxGLCanvas:connect(Canvas, paint, [callback]),
+
     Image   = wxImage:scale(wxImage:new("image.jpg"), 128,128),
-    GL = setup_gl(Canvas,Image),
-    Timer = timer:send_interval(20, self(), update),
 
     %% Add to sizers
     wxSizer:add(Sizer, Canvas, [{flag, ?wxEXPAND},{proportion, 1}]), 
     wxWindow:setSizer(Panel,Sizer),
     wxSizer:layout(Sizer),
+    Timer = timer:send_interval(20, self(), update),
     {Panel, #state{parent = Panel, config = Config,
-		   canvas = Canvas,
-		   gl = GL, timer = Timer}}.
+		   canvas = Canvas, image=Image,
+		   timer = Timer}}.
 
 %% Event handling
-handle_event(#wx{event = #wxSize{size = {W,H}}}, State) ->
-    case W =:= 0 orelse H =:= 0 of
-	true -> skip;
-	_ -> 
+handle_sync_event(_PaintEvent, _, #state{canvas=Canvas}) ->
+    %% Sync events are called from a temporary process,
+    %% we need to setup the gl canvas on cocoa for some reason
+    %% We do not really have to do anything, the timer event will refresh the painting
+    wxGLCanvas:setCurrent(Canvas),
+    DC= wxPaintDC:new(Canvas),
+    wxPaintDC:destroy(DC),
+    ok.
+
+handle_event(#wx{event = #wxSize{size = {W,H}}}, State = #state{gl=GL}) ->
+    if 
+	GL =:= undefined ->
+	    #state{canvas=Canvas, image=Image} = State,
+	    wxGLCanvas:setCurrent(Canvas),
+	    {noreply, State#state{gl=setup_gl(Canvas,Image)}};
+	W =:= 0, H =:= 0 -> {noreply, State};
+	true -> 
 	    gl:viewport(0,0,W,H),
 	    gl:matrixMode(?GL_PROJECTION),
 	    gl:loadIdentity(),
 	    gl:ortho( -2.0, 2.0, -2.0*H/W, 2.0*H/W, -20.0, 20.0),
 	    gl:matrixMode(?GL_MODELVIEW),
-	    gl:loadIdentity()
-    end,
-    {noreply, State}.
+	    gl:loadIdentity(),
+	    {noreply, State}
+    end.
 
+handle_info(update, State=#state{gl=undefined}) -> 
+    {noreply, State};
 handle_info(update, State) ->
     S1 = update_rotation(State),
     GL = S1#state.gl,