Incomplete types

[yurivict]

work/workbench-1.5.0-430-g1e6d5c5c9/src/GuiQt/MapSettingsPaletteColorMappingWidget.cxx|2314 col 31| error: 'QPen' is an incomplete type
||                 curve->setPen(QPen(color));
||                               ^
/usr/local/include/qt5/QtCore/qmetatype.h|2090 col 1| note: forward declaration of 'QPen'
|| QT_FOR_EACH_STATIC_GUI_CLASS(QT_FORWARD_DECLARE_STATIC_TYPES_ITER)
|| ^
/usr/local/include/qt5/QtCore/qmetatype.h|167 col 17| note: expanded from macro 'QT_FOR_EACH_STATIC_GUI_CLASS'
||     F(QPen, 76, QPen) \
||                 ^
work/workbench-1.5.0-430-g1e6d5c5c9/src/GuiQt/MapSettingsPaletteColorMappingWidget.cxx|2384 col 95| error: member access into incomplete type 'const QwtScaleDiv'
||                 const float plotMinValue = this->thresholdPlot->axisScaleDiv(QwtPlot::xBottom).lowerBound();
||                                                                                               ^
/usr/local/include/qt5/qwt6/qwt_plot_item.h|18 col 7| note: forward declaration of 'QwtScaleDiv'
|| class QwtScaleDiv;
||       ^
work/workbench-1.5.0-430-g1e6d5c5c9/src/GuiQt/MapSettingsPaletteColorMappingWidget.cxx|2385 col 95| error: member access into incomplete type 'const QwtScaleDiv'
||                 const float plotMaxValue = this->thresholdPlot->axisScaleDiv(QwtPlot::xBottom).upperBound();
||                                                                                               ^
/usr/local/include/qt5/qwt6/qwt_plot_item.h|18 col 7| note: forward declaration of 'QwtScaleDiv'
|| class QwtScaleDiv;
||       ^
work/workbench-1.5.0-430-g1e6d5c5c9/src/GuiQt/MapSettingsPaletteColorMappingWidget.cxx|2401 col 32| error: 'QPen' is an incomplete type
||                 minBox->setPen(QPen(minColor));
||                                ^

QPen and some other includes are missing.