FIX: Add "try.. exception..." temporary to fix error in the execute wx.SafeYield…

…() in the Windowds XP 64 Bits. Is bug wxWidgets.

FIX: Add "try.. exception..." temporary to fix error in the execute wx.SafeYield…
…() in the Windowds XP 64 Bits. Is bug wxWidgets.
Paulo Henrique Junqueira Amorim
1 parent 462913dd
Showing 2 changed files with 56 additions and 46 deletions Show diff stats
invesalius/gui/dicom_preview_panel.py
invesalius/gui/frame.py
@@ -70,14 +70,14 @@ class SingleImagePreview(wx.Panel):
         text_image_location.SetPosition(const.TEXT_POS_LEFT_DOWN)
         text_image_location.SetValue("localization")
         self.text_image_location = text_image_location
-        
+
         value = "id\nprotocol"
         text_patient = vtku.Text()
         text_patient.SetJustificationToRight()
         text_patient.SetPosition(const.TEXT_POS_RIGHT_UP)
         text_patient.SetValue(value)
         self.text_patient = text_patient
-        
+
         value = "date time\n Made in InVesalius"
         text_acquisition = vtku.Text()
         text_acquisition.SetJustificationToRight()
@@ -130,7 +130,7 @@ class SingleImagePreview(wx.Panel):
         in_sizer = wx.BoxSizer(wx.HORIZONTAL)
         in_sizer.Add(slider, 1, wx.GROW|wx.EXPAND)
         in_sizer.Add(checkbox, 0)
-    
+
         sizer = wx.BoxSizer(wx.VERTICAL)
         sizer.Add(self.panel, 20, wx.GROW|wx.EXPAND)
         sizer.Add(in_sizer, 1, wx.GROW|wx.EXPAND)
@@ -165,9 +165,15 @@ class SingleImagePreview(wx.Panel):
         self.ShowSlice(pos)
         time.sleep(0.2)
         if self.ischecked:
-            wx.Yield()
-            wx.CallAfter(self.OnRun)
- 
+            try:
+                wx.Yield()
+            #TODO: temporary fix necessary in the Windows XP 64 Bits
+            #BUG in wxWidgets http://trac.wxwidgets.org/ticket/10896
+            except(wx._core.PyAssertionError):
+                print "wx._core.PyAssertionError"
+            finally:
+                wx.CallAfter(self.OnRun)
+
     def SetDicomGroup(self, group):
         self.dicom_list = group.GetHandSortedList()
         self.current_index = 0
@@ -181,7 +187,7 @@ class SingleImagePreview(wx.Panel):
     def ShowSlice(self, index = 0):
         print "ShowSlice"
         dicom = self.dicom_list[index]
-        
+
         # UPDATE GUI
         ## Text related to size
         value = STR_SIZE %(dicom.image.size[0], dicom.image.size[1])
@@ -274,10 +280,10 @@ class Preview(wx.Panel):
     def _init_ui(self):
-        self.title = wx.StaticText(self, -1, "Image", 
+        self.title = wx.StaticText(self, -1, "Image",
                                          style=wx.ALIGN_CENTER)
-        self.subtitle = wx.StaticText(self, -1, "Image", 
+        self.subtitle = wx.StaticText(self, -1, "Image",
                                          style=wx.ALIGN_CENTER)
         self.panel = wx.Panel(self, -1)
@@ -306,7 +312,7 @@ class Preview(wx.Panel):
     def _init_vtk(self):
         self.interactor = wxVTKRenderWindowInteractor(self.panel, -1, size=(70, 70))
-        
+
         sizer = wx.BoxSizer(wx.HORIZONTAL)
         sizer.Add(self.interactor, 1, wx.GROW|wx.EXPAND)
         sizer.Fit(self.panel)
@@ -316,7 +322,7 @@ class Preview(wx.Panel):
         self.panel.Layout()
         self.panel.Update()
         self.panel.SetAutoLayout(1)
-        
+
         self.actor = vtk.vtkImageActor()
         self.render = vtk.vtkRenderer()
@@ -351,7 +357,7 @@ class Preview(wx.Panel):
         self.title.Bind(wx.EVT_LEFT_DOWN, self.OnSelect)
         self.subtitle.Bind(wx.EVT_LEFT_DOWN, self.OnSelect)
-        
+
     def OnEnter(self, evt):
@@ -422,7 +428,7 @@ class Preview(wx.Panel):
         image = image_file[0]
         scale = image.GetScalarRange()
-        
+
         cast = vtk.vtkImageMapToWindowLevelColors()
         #cast.SetShift(abs(scale[0]))
         #cast.SetScale(255.0/(scale[1] - scale[0]))
@@ -438,7 +444,7 @@ class Preview(wx.Panel):
             window = 150
         self.data = image_file[-1]
-        
+
         cast.SetWindow(window)
         cast.SetLevel(level)
         self.actor.SetInput(cast.GetOutput())
@@ -485,7 +491,7 @@ class Preview(wx.Panel):
         if 1:
-            # Default values for the surronounding rectangle 
+            # Default values for the surronounding rectangle
             # around a button
             rectWidth = self._nImgSize * 2  # To avoid the recangle to 'touch' the borders
             rectHeight = self._nImgSize * 2
@@ -497,7 +503,7 @@ class Preview(wx.Panel):
             #   not ((style & INB_LEFT) or (style & INB_RIGHT)) and \
             #   not self._pagesInfoVec[i].GetCaption() == "" and \
             #   not (style & INB_SHOW_ONLY_IMAGES):
-            
+
                 #rectWidth = ((textWidth + nPadding * 2) > rectWidth and [nPadding * 2 + textWidth] or [rectWidth])[0]
@@ -509,7 +515,7 @@ class Preview(wx.Panel):
             # If Pin button is used, consider its space as well (applicable for top/botton style)
             # since in the left/right, its size is already considered in 'pos'
             #pinBtnSize = (bUsePin and [20] or [0])[0]
-            
+
             #if pos + rectWidth + pinBtnSize > clientSize:
             #    break
@@ -562,7 +568,7 @@ class DicomPreviewSeries(wx.Panel):
         self.SetAutoLayout(1)
         self.sizer = background_sizer
-        
+
         self._Add_Panels_Preview()
         self._bind_events()
@@ -579,7 +585,7 @@ class DicomPreviewSeries(wx.Panel):
     #def _show_shadow(self, preview):
     #    preview.ShowShadow()
-        
+
     def _bind_events(self):
         # When the user scrolls the window
@@ -609,7 +615,7 @@ class DicomPreviewSeries(wx.Panel):
                     group_list)
             self.files.append(info)
             n+=1
-            
+
         scroll_range = len(self.files)/NCOLS
         if scroll_range * NCOLS < len(self.files):
             scroll_range +=1
@@ -619,7 +625,7 @@ class DicomPreviewSeries(wx.Panel):
     def _display_previews(self):
         initial = self.displayed_position * NCOLS
         final = initial + MAX_VALUE
-    
+
         if len(self.files) < final:
             for i in xrange(final-len(self.files)):
                 try:
@@ -686,7 +692,7 @@ class DicomPreview(wx.Panel):
         self.SetAutoLayout(1)
         self.sizer = background_sizer
-        
+
         self._Add_Panels_Preview()
         self._bind_events()
@@ -767,7 +773,7 @@ class DicomPreview(wx.Panel):
         initial = self.displayed_position * NCOLS
         final = initial + MAX_VALUE
         print "len:", len(self.files)
-    
+
         if len(self.files) < final:
             for i in xrange(final-len(self.files)):
                 print "hide ", i
@@ -34,7 +34,7 @@ import project as prj
 import session as ses
 # Object toolbar
-#OBJ_TOOLS = [ID_ZOOM, ID_ZOOM_SELECT, ID_ROTATE, ID_MOVE, 
+#OBJ_TOOLS = [ID_ZOOM, ID_ZOOM_SELECT, ID_ROTATE, ID_MOVE,
 #ID_CONTRAST] = [wx.NewId() for number in range(5)]
 #MODE_BY_ID = {ID_ZOOM: const.STATE_ZOOM,
 #              ID_ZOOM_SELECT: const.STATE_ZOOM_SL,
@@ -111,7 +111,7 @@ class Frame(wx.Frame):
         self.Bind(wx.EVT_SIZE, self.OnSize)
         self.Bind(wx.EVT_MENU, self.OnMenuClick)
         #self.Bind(wx.EVT_CLOSE, self.OnExit)
-    
+
     def __init_aui(self):
         # Tell aui_manager to manage this frame
@@ -127,7 +127,7 @@ class Frame(wx.Frame):
                           #CloseButton(False).Floatable(False).
                           #Layer(1).Left().MaximizeButton(False).Name("Task").
                           #Position(0))
-                          
+
         aui_manager.AddPane(viewers.Panel(self), wx.aui.AuiPaneInfo().
                           Caption("Data panel").CaptionVisible(False).
@@ -214,12 +214,12 @@ class Frame(wx.Frame):
         aui_manager = self.aui_manager
         aui_manager.GetPane("Data").Show(0)
         aui_manager.GetPane("Tasks").Show(1)
-        aui_manager.Update()        
+        aui_manager.Update()
     def OnSize(self, evt):
        ps.Publisher().sendMessage(('ProgressBar Reposition'))
        evt.Skip()
-       
+
     def OnMenuClick(self, evt):
         id = evt.GetId()
         session = ses.Session()
@@ -234,7 +234,7 @@ class Frame(wx.Frame):
             else:
                 self.SaveProject()
         elif id == const.ID_PROJECT_SAVE_AS:
-            self.SaveAsProject() 
+            self.SaveAsProject()
         elif id == const.ID_PROJECT_CLOSE:
             self.CloseProject()
         #elif id == const.ID_EXIT:
@@ -269,15 +269,15 @@ class Frame(wx.Frame):
     def Exit(self):
         print "Exit"
         ps.Publisher().sendMessage('Close Project')
- 
+
     def ShowTask(self, pubsub_evt):
         self.aui_manager.GetPane("Tasks").Show()
         self.aui_manager.Update()
-    
+
     def HideTask(self, pubsub_evt):
         self.aui_manager.GetPane("Tasks").Hide()
         self.aui_manager.Update()
-    
+
     #def OnClose(self):
     #    # TODO: implement this, based on wx.Demo
@@ -436,8 +436,12 @@ class StatusBar(wx.StatusBar):
         if (int(value) >= 99):
             self.SetStatusText("",0)
         if sys.platform == 'win32':
-            wx.SafeYield()
-        
+            try:
+                wx.SafeYield()
+            #TODO: temporary fix necessary in the Windows XP 64 Bits
+            #BUG in wxWidgets http://trac.wxwidgets.org/ticket/10896
+            except(wx._core.PyAssertionError):
+                print "wx._core.PyAssertionError"
     def UpdateStatusLabel(self, pubsub_evt):
         label = pubsub_evt.data
@@ -476,7 +480,7 @@ class ProjectToolBar(wx.ToolBar):
         self.__init_items()
         self.__bind_events()
-        
+
         #FIXME:
         self.save_as = True
@@ -559,16 +563,16 @@ class ProjectToolBar(wx.ToolBar):
         filename = (prj.name).replace(' ','_')
         if prj.save_as:
             filename = dlg.ShowSaveAsProjectDialog(filename)
-            if filename: 
+            if filename:
                 prj.save_as = False
             else:
                 return
         ps.Publisher().sendMessage('Save Project',filename)
         event.Skip()
-        
-    
-                       
+
+
+
         # ------------------------------------------------------------------
 class ObjectToolBar(wx.ToolBar):
@@ -577,7 +581,7 @@ class ObjectToolBar(wx.ToolBar):
                             wx.DefaultSize,
                             wx.TB_FLAT|wx.TB_NODIVIDER | wx.TB_DOCKABLE)
-        self.SetToolBitmapSize(wx.Size(32,32))  
+        self.SetToolBitmapSize(wx.Size(32,32))
         self.parent = parent
         self.__init_items()
@@ -603,7 +607,7 @@ class ObjectToolBar(wx.ToolBar):
                                                   "tool_contrast_original.png"),
                                      wx.BITMAP_TYPE_PNG)
         else:
-            
+
             BMP_ROTATE = wx.Bitmap(os.path.join(const.ICON_DIR,
                                                 "tool_rotate.gif"),
                                    wx.BITMAP_TYPE_GIF)
@@ -665,7 +669,7 @@ class ObjectToolBar(wx.ToolBar):
                 self.ToggleTool(item, False)
         evt.Skip()
-        
+
     def UntoggleAllItems(self, pubsub_evt=None):
         for id in const.TOOL_STATES:
@@ -783,25 +787,25 @@ class LayoutToolBar(wx.ToolBar):
         self.AddLabelTool(ID_LAYOUT, "",bitmap=self.BMP_WITHOUT_MENU, shortHelp= "Hide task panel")
         self.AddCheckTool(ID_TEXT, bitmap=BMP_TEXT, shortHelp= "Hide texts")
-        
+
         self.Realize()
     def __bind_events_wx(self):
         self.Bind(wx.EVT_TOOL, self.OnClick)
-   
+
     def OnClick(self, event):
         id = event.GetId()
         if id == ID_LAYOUT:
             self.OnTask()
         elif id== ID_TEXT:
             self.OnText(event)
-            
+
         for item in VIEW_TOOLS:
             state = self.GetToolState(item)
             if state and (item != id):
                 self.ToggleTool(item, False)
- 
+
     def OnTask(self):
         if self.ontool: