QML in CMakeList, ROS Project doesn't accept Quick Widget

aliemrenebiler

We work on a ROS project and trying to make an interface for the robot.

But ROS doesn't accept quick widget, how can we solve that problem?

CMakeFiles/talker_wig.dir/src/mainwindow.cpp.o: In function `MainWindow::MainWindow(QWidget*)':
mainwindow.cpp:(.text+0x200): undefined reference to `QQuickWidget::setSource(QUrl const&)'
CMakeFiles/talker_wig.dir/src/mainwindow.cpp.o: In function `Ui_MainWindow::setupUi(QMainWindow*)':
mainwindow.cpp:(.text._ZN13Ui_MainWindow7setupUiEP11QMainWindow[_ZN13Ui_MainWindow7setupUiEP11QMainWindow]+0x2f8): undefined reference to `QQuickWidget::QQuickWidget(QWidget*)'
mainwindow.cpp:(.text._ZN13Ui_MainWindow7setupUiEP11QMainWindow[_ZN13Ui_MainWindow7setupUiEP11QMainWindow]+0x46d): undefined reference to `QQuickWidget::setResizeMode(QQuickWidget::ResizeMode)'
collect2: error: ld returned 1 exit status
ROS-QML-Deneme-V4/ROS_QML_Example-master/CMakeFiles/talker_wig.dir/build.make:195: recipe for target '/home/aliemre/QTCreator_Files/aliemre_ws/devel/lib/sabun/talker_wig' failed
make[2]: *** [/home/aliemre/QTCreator_Files/aliemre_ws/devel/lib/sabun/talker_wig] Error 1
CMakeFiles/Makefile2:528: recipe for target 'ROS-QML-Deneme-V4/ROS_QML_Example-master/CMakeFiles/talker_wig.dir/all' failed
make[1]: *** [ROS-QML-Deneme-V4/ROS_QML_Example-master/CMakeFiles/talker_wig.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
CMakeFiles/listener_wig.dir/src/mainwindow.cpp.o: In function `MainWindow::MainWindow(QWidget*)':
mainwindow.cpp:(.text+0x200): undefined reference to `QQuickWidget::setSource(QUrl const&)'
CMakeFiles/listener_wig.dir/src/mainwindow.cpp.o: In function `Ui_MainWindow::setupUi(QMainWindow*)':
mainwindow.cpp:(.text._ZN13Ui_MainWindow7setupUiEP11QMainWindow[_ZN13Ui_MainWindow7setupUiEP11QMainWindow]+0x2f8): undefined reference to `QQuickWidget::QQuickWidget(QWidget*)'
mainwindow.cpp:(.text._ZN13Ui_MainWindow7setupUiEP11QMainWindow[_ZN13Ui_MainWindow7setupUiEP11QMainWindow]+0x46d): undefined reference to `QQuickWidget::setResizeMode(QQuickWidget::ResizeMode)'
collect2: error: ld returned 1 exit status
ROS-QML-Deneme-V4/ROS_QML_Example-master/CMakeFiles/listener_wig.dir/build.make:195: recipe for target '/home/aliemre/QTCreator_Files/aliemre_ws/devel/lib/sabun/listener_wig' failed
make[2]: *** [/home/aliemre/QTCreator_Files/aliemre_ws/devel/lib/sabun/listener_wig] Error 1
CMakeFiles/Makefile2:424: recipe for target 'ROS-QML-Deneme-V4/ROS_QML_Example-master/CMakeFiles/listener_wig.dir/all' failed
make[1]: *** [ROS-QML-Deneme-V4/ROS_QML_Example-master/CMakeFiles/listener_wig.dir/all] Error 2
Makefile:145: recipe for target 'all' failed
make: *** [all] Error 2
Invoking "make -j8 -l8" failed

KroMignon

@aliemrenebiler said in QML in CMakeList, ROS Project doesn't accept Quick Widget:

I can share the complete CMakeList File:

I am not familiar with cmake, I am using qmake so I can only guess.
I have always see in cmake projects that REQUIRED is the last parameter in find_package().
I would change:

find_package(Qt5 REQUIRED COMPONENTS
  Core
  Qml
  Quick
  Widgets
  Multimedia
)

to

find_package(Qt5 COMPONENTS
  Core
  Qml
  Quick
  Widgets
  Multimedia
  REQUIRED 
)

But, as written before, I don't know if it will change anything.

KroMignon

@aliemrenebiler said in QML in CMakeList, ROS Project doesn't accept Quick Widget:

But ROS doesn't accept quick widget, how can we solve that problem?

Which Qt Kit are you using?
Are you sure QWidget is build for this kit?
Have you import QWidget module?
For example, with Qt5 you should have find_package(Qt5 COMPONENTS Widgets REQUIRED) in your project file

aliemrenebiler

@KroMignon I don't know how to check the kit but if you tell me I can look.

We use Quick Widget, not QWidget, because it is way easier to implement camera.

I can share the complete CMakeList File:

cmake_minimum_required(VERSION 2.8.3)
project(sabun)

## Compile as C++11, supported in ROS Kinetic and newer
add_compile_options(-std=c++11)

## Find catkin macros and libraries
find_package(catkin REQUIRED COMPONENTS
  roscpp
  std_msgs
)

# Find Qt5 libraries
find_package(Qt5 REQUIRED COMPONENTS
  Core
  Qml
  Quick
  Widgets
  Multimedia
)

# Configuration to make Qt compiles go smoother
set(CMAKE_INCLUDE_CURRENT_DIR ON)
set(CMAKE_AUTOMOC ON)
include_directories( ${CMAKE_BINARY_DIR} )

# Configure Catkin dependencies
catkin_package(
  CATKIN_DEPENDS
    roscpp
    std_msgs
)

include_directories(
  include
  ${catkin_INCLUDE_DIRS}
)

###############################
# Basic, non-qt talker/listener
add_executable(listener src/listener.cpp)
add_executable(talker src/talker.cpp)


target_link_libraries(listener
  ${catkin_LIBRARIES}
)

target_link_libraries(talker
  ${catkin_LIBRARIES}
)

################################################
# Cmd line talker/listener running qt event loop
add_executable(listener_qt src/listener_qt.cpp)
add_executable(talker_qt src/talker_qt.cpp)

# Configure Qt5 Modules
# Equivalent to doing
# Qt += Core
# In Qt .pro file
qt5_use_modules(listener_qt Core)
qt5_use_modules(talker_qt Core)

target_link_libraries(listener_qt
  ${catkin_LIBRARIES}
)

target_link_libraries(talker_qt
  ${catkin_LIBRARIES}
)

######################################
# Talker and Listener using QML gui

# Run MOC on headers of Q_OBJECT classes
set(MOC_HDRS include/qml_mediator.h)
qt5_wrap_cpp(MOC_SRCS ${MOC_HDRS})

# Run RCC on QRC file
set(RCC_FILES src/display.qrc)
qt5_add_resources(RCC_SOURCES ${RCC_FILES})

# Build executables with source, MOC result files, RCC result files
add_executable(listener_qml src/listener_qml.cpp ${MOC_SRCS} ${RCC_SOURCES})
add_executable(talker_qml src/talker_qml.cpp ${MOC_SRCS} ${RCC_SOURCES})

# Configure Qt5 Modules
# Equivalent to doing
# Qt += Core Qml Quick
# In Qt .pro file
qt5_use_modules(listener_qml Core Qml Quick)
qt5_use_modules(talker_qml Core Qml Quick)

target_link_libraries(listener_qml
  ${catkin_LIBRARIES}
)

target_link_libraries(talker_qml
  ${catkin_LIBRARIES}
)

########################################
# Talker and Listener using QWidgets gui

# Run MOC on headers of Q_OBJECT classes
set(MOC_HDRS include/mainwindow.h)
qt5_wrap_cpp(MOC_SRCS ${MOC_HDRS})

# Run UIC on ui definitions
set(UI_FILES ui/mainwindow.ui)
qt5_wrap_ui(UI_SRCS ${UI_FILES})

# Build executables with source, MOC result files, UIC result files
add_executable(talker_wig src/talker_wig.cpp src/mainwindow.cpp ${MOC_SRCS} ${UI_SRCS})
add_executable(listener_wig src/listener_wig.cpp src/mainwindow.cpp ${MOC_SRCS} ${UI_SRCS})

# Configure Qt5 Modules
# Equivalent to doing
# Qt += Core Widgets
# In Qt .pro file
qt5_use_modules(talker_wig Core Widgets Multimedia)
qt5_use_modules(listener_wig Core Widgets Multimedia)

target_link_libraries(talker_wig
  ${catkin_LIBRARIES}
)

target_link_libraries(listener_wig
  ${catkin_LIBRARIES}
)

KroMignon

@aliemrenebiler said in QML in CMakeList, ROS Project doesn't accept Quick Widget:

I can share the complete CMakeList File:

I am not familiar with cmake, I am using qmake so I can only guess.
I have always see in cmake projects that REQUIRED is the last parameter in find_package().
I would change:

find_package(Qt5 REQUIRED COMPONENTS
  Core
  Qml
  Quick
  Widgets
  Multimedia
)

to

find_package(Qt5 COMPONENTS
  Core
  Qml
  Quick
  Widgets
  Multimedia
  REQUIRED 
)

But, as written before, I don't know if it will change anything.

JoeCFD

@aliemrenebiler add Qt include and lib paths of each compoment with a loop.
include_directories(${Qt5${component}_INCLUDE_DIRS})
add_definitions(${Qt5${component}_DEFINITIONS})
target_link_libraries(${PROJECT_NAME} Qt5::${component})