qt linux simulate mouse click

qt project "simulate mouse click button in linux operation systems"

source code:

untitled1.pro
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

TARGET = untitled1
TEMPLATE = app


SOURCES += main.cpp\
        mainwindow.cpp

HEADERS  += mainwindow.h

FORMS    += mainwindow.ui

LIBS += -lX11

ubuntu 13 libgl.so not found

solution:
apt-get install libgl1-mesa-dev