good examople of Qt
...................\QtSrc
...................\.....\第10章  事件
...................\.....\............\eventfilter
...................\.....\............\...........\eventfilter
...................\.....\............\...........\eventfilter.cpp
...................\.....\............\...........\eventfilter.exe
...................\.....\............\...........\eventfilter.h
...................\.....\............\...........\eventfilter.pro
...................\.....\............\...........\eventfilter.qrc
...................\.....\............\...........\eventfilter_zh.qm
...................\.....\............\...........\eventfilter_zh.ts
...................\.....\............\...........\images





...................\.....\............\...........\main.cpp
...................\.....\............\...........\Makefile
...................\.....\............\...........\Makefile.Release
...................\.....\............\keyevent
...................\.....\............\........\images

...................\.....\............\........\keyevent
...................\.....\............\........\keyevent.cpp
...................\.....\............\........\keyevent.exe
...................\.....\............\........\keyevent.h
...................\.....\............\........\keyevent.pro
...................\.....\............\........\keyevent.qrc
...................\.....\............\........\keyevent_zh.qm
...................\.....\............\........\keyevent_zh.ts
...................\.....\............\........\main.cpp
...................\.....\............\........\Makefile
...................\.....\............\........\Makefile.Release
...................\.....\............\mouseevent
...................\.....\............\..........\main.cpp
...................\.....\............\..........\Makefile
...................\.....\............\..........\Makefile.Release
...................\.....\............\..........\mouseevent
...................\.....\............\..........\mouseevent.cpp
...................\.....\............\..........\mouseevent.exe
...................\.....\............\..........\mouseevent.h
...................\.....\............\..........\mouseevent.pro
...................\.....\............\..........\mouseevent_zh.qm
...................\.....\............\..........\mouseevent_zh.ts
...................\.....\第11章  其它
...................\.....\............\cursor
...................\.....\............\......\cursor
...................\.....\............\......\cursor.cpp
...................\.....\............\......\cursor.exe
...................\.....\............\......\cursor.h
...................\.....\............\......\cursor.pro
...................\.....\............\......\cursor.qrc
...................\.....\............\......\cursor_zh.qm
...................\.....\............\......\cursor_zh.ts
...................\.....\............\......\images
...................\.....\............\......\......\cursor-3dgarro.png
...................\.....\............\......\......\cursor-arrow.png
...................\.....\............\......\......\cursor-busy.png
...................\.....\............\......\......\cursor-closedhand.png
...................\.....\............\......\......\cursor-cross.png
...................\.....\............\......\......\cursor-forbidden.png
...................\.....\............\......\......\cursor-hand.png
...................\.....\............\......\......\cursor-hsplit.png
...................\.....\............\......\......\cursor-ibeam.png
...................\.....\............\......\......\cursor-openhand.png
...................\.....\............\......\......\cursor-sizeall.png
...................\.....\............\......\......\cursor-sizeb.png
...................\.....\............\......\......\cursor-sizef.png
...................\.....\............\......\......\cursor-sizeh.png
...................\.....\............\......\......\cursor-sizev.png
...................\.....\............\......\......\cursor-u