When the "advanced color selector" is docked on the west region, the preview color, i.e the square showing an uniform color, is drawn outside of the screen, because it is drawn on the left on the widget.
Git commit b346d92419761e6a6e1ecf24a9ff7a3ff7fefc86 by Sven Langkamp.
Committed on 05/04/2012 at 02:05.
Pushed by langkamp into branch 'master'.
make sure preview popup stays on screen
M +12 -1 krita/plugins/extensions/dockers/advancedcolorselector/kis_color_selector_base.cpp