This happens due to the fact that the Select/Deselect actions add/remove nodes from the node stack, so they must be executed in exclusive mode (without updates happening at the same time). It can be achieved by porting these actions to strokes framework.
Git commit e583f2251648d6ed91fc7748cbc0f2702e0502ab by Dmitry Kazakov. Committed on 07/11/2012 at 12:46. Pushed by dkazakov into branch 'krita-new-move-tool-kazakov'. Ported KisSelectionManager to the strokes At the same time, all its methods are now moved into separate factory classes, so it will be much easier to add recording to it later. M +12 -0 krita/image/kis_painter.cc M +5 -0 krita/image/kis_painter.h M +6 -2 krita/image/kis_processing_applicator.cpp M +3 -0 krita/ui/CMakeLists.txt A +486 -0 krita/ui/actions/kis_selection_action_factories.cpp [License: GPL (v2+)] A +105 -0 krita/ui/actions/kis_selection_action_factories.h [License: GPL (v2+)] M +68 -291 krita/ui/kis_selection_manager.cc A +57 -0 krita/ui/kis_ui_action_factory.cpp [License: GPL (v2+)] A +52 -0 krita/ui/kis_ui_action_factory.h [License: GPL (v2+)] A +53 -0 krita/ui/kis_ui_action_factory_registry.cpp [License: GPL (v2+)] A +35 -0 krita/ui/kis_ui_action_factory_registry.h [License: GPL (v2+)] M +9 -0 krita/ui/tests/kis_selection_manager_test.cpp M +2 -0 krita/ui/tool/kis_tool.cc http://commits.kde.org/calligra/e583f2251648d6ed91fc7748cbc0f2702e0502ab
Git commit 7841e0c87a294ffde3de6e9c1cd5e41b3fc161a8 by Dmitry Kazakov. Committed on 07/11/2012 at 12:46. Pushed by dkazakov into branch 'calligra/2.6'. Ported KisSelectionManager to the strokes At the same time, all its methods are now moved into separate factory classes, so it will be much easier to add recording to it later. M +12 -0 krita/image/kis_painter.cc M +5 -0 krita/image/kis_painter.h M +6 -2 krita/image/kis_processing_applicator.cpp M +3 -0 krita/ui/CMakeLists.txt A +486 -0 krita/ui/actions/kis_selection_action_factories.cpp [License: GPL (v2+)] A +105 -0 krita/ui/actions/kis_selection_action_factories.h [License: GPL (v2+)] M +68 -291 krita/ui/kis_selection_manager.cc A +57 -0 krita/ui/kis_ui_action_factory.cpp [License: GPL (v2+)] A +52 -0 krita/ui/kis_ui_action_factory.h [License: GPL (v2+)] A +53 -0 krita/ui/kis_ui_action_factory_registry.cpp [License: GPL (v2+)] A +35 -0 krita/ui/kis_ui_action_factory_registry.h [License: GPL (v2+)] M +9 -0 krita/ui/tests/kis_selection_manager_test.cpp M +2 -0 krita/ui/tool/kis_tool.cc http://commits.kde.org/calligra/7841e0c87a294ffde3de6e9c1cd5e41b3fc161a8