Howto Install and Configure QtCreator on Ubuntu

Howto Install and Configure QtCreator on Ubuntu

Install Qt from Ubuntu Software Center,just search qt and select qtcreator, select add-ons

after selecting add-ons, apply thechanges and then install v2.4.1.

Touse Qt in your CMake project, For more info please refer to:http://qt-project.org/quarterly/view/using_cmake_to_build_qt_projects.

Herewe give a complete CMake project using Qt, the complete program canbe download at: http://download.csdn.net/detail/owldestiny/5262651

QtCMakeTest

│ ├── bin

│ ├── build

│ ├── CMakeLists.txt

│ ├── include

│ │ ├── QtCMakeTest.h

│ │ └── QtVtkTest.h~

│ ├── qrc

│ ├── src

│ │ ├── main.cpp

│ │ └── QtCMakeTest.cpp

│ └── ui

│ └── QtCMakeTest.ui

Inthis project we do not use qrc.

TheCMakeLists.txt is:

======================================================================

cmake_minimum_required(VERSION2.8)

project(QtCMakeTest)

#set(CMAKE_BUILD_TYPEdebug)

########################################################

#Qt

find_package(Qt4REQUIRED)

include(${QT_USE_FILE})

add_definitions(${QT_DEFINITIONS})

########################################################

#Projectsettings

#set(PROJECT_SOURCESmain.cpp)#all sources files

set(LIBRARY_OUTPUT_PATH${PROJECT_SOURCE_DIR}/lib)

set(EXECUTABLE_OUTPUT_PATH${PROJECT_SOURCE_DIR}/bin)

include_directories(${PROJECT_SOURCE_DIR}/include${CMAKE_CURRENT_BINARY_DIR})#to include the moc ui generated ui_*.hs

aux_source_directory(${PROJECT_SOURCE_DIR}/src/PROJECT_SOURCES)

########################################################

#GenerateQt files

set(PROJECT_HEADERS${PROJECT_SOURCE_DIR}/include/QtCMakeTest.h)#only headers includeQ_OBJECT

QT4_WRAP_CPP(PROJECT_HEADERS_MOC${PROJECT_HEADERS})

set(PROJECT_UI${PROJECT_SOURCE_DIR}/ui/QtCMakeTest.ui)#ui file

QT4_WRAP_UI(PROJECT_UI_UIC${PROJECT_UI})

#set(PROJECT_RC${PROJECT_SOURCE_DIR}/qrc)#resource files

#QT4_WRAP_RESOURCES(PROJECT_RC_RCC${PROJECT_RC})

########################################################

#generateexecutables and link libraries

add_executable(QtCMakeTest${PROJECT_SOURCES} ${PROJECT_HEADERS_MOC} ${PROJECT_UI_UIC})#${PROJECT_RC_RCC})

target_link_libraries(QtCMakeTest${QT_LIBRARIES})

======================================================================

The QtCMakeTest.ui(only including one push button) can be generated and edited by QtDesigner as:

======================================================================

<?xml version="1.0"encoding="UTF-8"?>
<ui version="4.0">
<class>mainWindow</class>
<widget class="QMainWindow"name="mainWindow">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>722</width>
<height>512</height>
</rect>
</property>
<property name="windowTitle">
<string>Qt CMake Test</string>
</property>
<widget class="QWidget"name="centralwidget">
<widget class="QPushButton"name="pushButtonTest">
<property name="geometry">
<rect>
<x>430</x>
<y>80</y>
<width>98</width>
<height>51</height>
</rect>
</property>
<property name="text">
<string>PushButton</string>
</property>
</widget>
</widget>
<widget class="QStatusBar"name="statusbar"/>
</widget>
<resources/>
<connections/>
</ui>

======================================================================

The main.cpp is:

======================================================================

#include <QApplication>
#include "QtCMakeTest.h"


int main(int argc, char**argv)
{
QApplication app(argc,argv);
Qt_QtCMakeTest qtTest;
qtTest.show();

return app.exec();
}

======================================================================

TheQtVtkTest.h is:

======================================================================

#include <QtGui/QMainWindow>
#include "ui_QtCMakeTest.h"

class Qt_QtCMakeTest: publicQMainWindow
{
Q_OBJECT
public:
Qt_QtCMakeTest();
public:
Ui::mainWindow ui;
public slots:
void OnButtonClicked();
};

======================================================================

The QtCMakeTest.cpp is:

======================================================================

#include "QtCMakeTest.h"

Qt_QtCMakeTest::Qt_QtCMakeTest()
{
ui.setupUi(this);

connect(this->ui.pushButtonTest, SIGNAL(clicked()), this,SLOT(OnButtonClicked()));
}

voidQt_QtCMakeTest::OnButtonClicked()
{
this->ui.statusbar->showMessage("button clicked");
}

======================================================================

Howto Install and Configure QtCreator on Ubuntu

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