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lcl: gtk2: tcustomcontrol: clear background pixmap of parent window too

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git-svn-id: trunk@41670 -
This commit is contained in:
mattias 2013-06-10 21:50:02 +00:00
parent f97c282b0d
commit 63b2a29382
1 changed files with 7 additions and 1 deletions
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8
lcl/interfaces/gtk2/gtk2winapiwindow.pp
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@ -382,8 +382,14 @@ begin
//@ AWidget^.Style := gtk_style_attach(AWidget^.Style, AWidget^.Window);
//@ gtk_style_set_background(AWidget^.Style, AWidget^.Window, GTK_STATE_NORMAL);
Info := GetWidgetInfo(AWidget);
if (Info = nil) or ([wwiNoEraseBkgnd] * Info^.Flags = []) then
if (Info = nil) or ([wwiNoEraseBkgnd] * Info^.Flags = []) then begin
gdk_window_set_back_pixmap(AWidget^.Window, nil, GdkFalse);
if AWidget^.parent<>nil then begin
// clear parent window background pixmap too, just in case AWidget is a nowindow
// see note of gtk docs about gtk_widget_modify_bg
gdk_window_set_back_pixmap(AWidget^.parent^.Window, nil, GdkFalse);
end;
end;
end;
procedure GTKAPIWidgetClient_UnRealize(AWidget: PGTKWidget); cdecl;