(If someone learns Qt and wants to use Qt to make diagrams such as coordinates, they must use this third-party class, I hope you like it
qwt-5.2.1\admin\msvc-qmake.bat
qwt-5.2.1\admin\no-qt-keywords.sh
qwt-5.2.1\designer\pixmaps\qwtanalogclock.png
qwt-5.2.1\designer\pixmaps\qwtcompass.png
qwt-5.2.1\designer\pixmaps\qwtcounter.png
qwt-5.2.1\designer\pixmaps\qwtdial.png
qwt-5.2.1\designer\pixmaps\qwtknob.png
qwt-5.2.1\designer\pixmaps\qwtplot.png
qwt-5.2.1\designer\pixmaps\qwtscale.png
qwt-5.2.1\designer\pixmaps\qwtslider.png
qwt-5.2.1\designer\pixmaps\qwtthermo.png
qwt-5.2.1\designer\pixmaps\qwtwheel.png
qwt-5.2.1\designer\pixmaps\qwtwidget.png
qwt-5.2.1\designer\designer.pro
qwt-5.2.1\designer\qwtplugin.cpp
qwt-5.2.1\designer\qwtplugin.h
qwt-5.2.1\designer\qwt_designer_plotdialog.cpp
qwt-5.2.1\designer\qwt_designer_plotdialog.h
qwt-5.2.1\designer\qwt_designer_plugin.cpp
qwt-5.2.1\designer\qwt_designer_plugin.h
qwt-5.2.1\designer\qwt_designer_plugin.qrc
qwt-5.2.1\doc\html\analogclock.png
qwt-5.2.1\doc\html\annotated.html
qwt-5.2.1\doc\html\classes.html
qwt-5.2.1\doc\html\class_qwt_abstract_scale-members.html
qwt-5.2.1\doc\html\class_qwt_abstract_scale.html
qwt-5.2.1\doc\html\class_qwt_abstract_scale_draw-members.html
qwt-5.2.1\doc\html\class_qwt_abstract_scale_draw.html
qwt-5.2.1\doc\html\class_qwt_abstract_scale_draw__inherit__graph.map
qwt-5.2.1\doc\html\class_qwt_abstract_scale_draw__inherit__graph.md5
.....)