beremiz

change white background for icons in PouInstanceVariablePanel to transparent

in wxPython 2.8 panel has white background and therefore white
background is appropriate, but in wxPython 3.0 panel has grey
background (on GNU/Linux and on Windows).
Transparent background looks good on both wxPython versions and on all platforms.
<?xml version="1.0"?>
<!-- generated by wxGlade 0.6.8 on Thu Jun 18 15:19:02 2015 -->
<application path="" name="" class="" option="0" language="python" top_window="wxglade_hmi" encoding="UTF-8" use_gettext="1" overwrite="0" use_new_namespace="1" for_version="2.8" is_template="0" indent_amount="4" indent_symbol="space" source_extension=".cpp" header_extension=".h">
<object class="Class_wxglade_hmi" name="wxglade_hmi" base="EditFrame">
<style>wxCAPTION|wxCLOSE_BOX|wxMINIMIZE_BOX|wxMAXIMIZE|wxMAXIMIZE_BOX|wxSYSTEM_MENU|wxRESIZE_BORDER|wxCLIP_CHILDREN</style>
<title>frame_1</title>
<object class="wxFlexGridSizer" name="grid_sizer_1" base="EditFlexGridSizer">
<hgap>0</hgap>
<growable_rows>0</growable_rows>
<rows>1</rows>
<growable_cols>0</growable_cols>
<cols>4</cols>
<vgap>0</vgap>
<object class="sizeritem">
<flag>wxALIGN_CENTER_HORIZONTAL|wxALIGN_CENTER_VERTICAL</flag>
<border>0</border>
<option>1</option>
<object class="ThreeDee" name="window_1" base="CustomWidget">
<extracode># WHERE IS THAT ?\nprint "hello"\n</extracode>
<arguments>
<argument>$parent</argument>
<argument>$id</argument>
</arguments>
<size>400,400</size>
</object>
</object>
<object class="sizeritem">
<flag>wxEXPAND</flag>
<border>0</border>
<option>1</option>
<object class="wxFlexGridSizer" name="sizer_1" base="EditFlexGridSizer">
<hgap>0</hgap>
<growable_rows>0</growable_rows>
<rows>2</rows>
<cols>1</cols>
<vgap>0</vgap>
<object class="sizeritem">
<flag>wxEXPAND</flag>
<border>0</border>
<option>1</option>
<object class="wxBoxSizer" name="sizer_2" base="EditBoxSizer">
<orient>wxVERTICAL</orient>
<object class="sizerslot" />
<object class="sizerslot" />
<object class="sizerslot" />
<object class="sizerslot" />
</object>
</object>
<object class="sizeritem">
<flag>wxEXPAND</flag>
<border>0</border>
<option>1</option>
<object class="wxGridSizer" name="sizer_3" base="EditGridSizer">
<hgap>0</hgap>
<rows>4</rows>
<cols>2</cols>
<vgap>0</vgap>
<object class="sizerslot" />
<object class="sizerslot" />
<object class="sizerslot" />
<object class="sizerslot" />
<object class="sizerslot" />
<object class="sizerslot" />
<object class="sizerslot" />
<object class="sizerslot" />
</object>
</object>
</object>
</object>
<object class="sizeritem">
<border>0</border>
<option>0</option>
<object class="wxToggleButton" name="DrawTestBt" base="EditToggleButton">
<label>Please Draw !</label>
<events>
<handler event="EVT_TOGGLEBUTTON">SetPLCGlobalVar</handler>
</events>
<extraproperties>
<property name="Name">"DrawTest"</property>
</extraproperties>
</object>
</object>
<object class="sizeritem">
<border>0</border>
<option>0</option>
<object class="wxToggleButton" name="DrawTestBt_copy" base="EditToggleButton">
<label>Please Draw copy !</label>
<events>
<handler event="EVT_TOGGLEBUTTON">SetPLCGlobalVar</handler>
</events>
<extraproperties>
<property name="Name">"DrawEscher"</property>
</extraproperties>
</object>
</object>
</object>
</object>
</application>