On Sun, Dec 4, 2011 at 11:34 AM, Michael Jackson
<[email protected]> wrote:
> Do you have "MyWidget" packaged as a true library, or did you just create the
> Designer Plugin and then have a "loose" .cpp/.h file?
>
> The is a project called Qwt* that has a similar setup. It has a Designer
> plugin for its various widgets and it has a qwt.dylib/.dll/.so that your
> program links against. You might be able to use this type of workflow for
> your project. In rough form this is what I am suggesting:
>
> Create a MyWidget project that builds the Designer plugin and a dynamic
> library. When the project "installs" it will install its headers and library
> under its own install location and also install the Designer plugin into the
> appropriate location inside the Qt distribution you are using. The MyWidget
> would also include the necessary CMake EXPORT files or what ever so other
> projects can use it.
>
> In the project that actually _uses_ MyWidget, you call
> "find_package(MyWidget)" which will setup all the necessary include
> directories and "MyWidget_LIBRARIES" variables.
>
> *Normal Qwt at Sourceforge does NOT use CMake as a build system. I have
> created a CMake build system for Qwt which is located on my public git-web
> server.
>
> Hope some of that helps.
Thanks Mike,
I tried simply placing the Widget in a subdirectory called Widget. I
got it to work, but I am confused about one thing. If in the main
project CMakeLists.txt I add:
add_subdirectory(Widget)
and then in Widget/CMakeLists.txt I add:
include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR})
I get errors that LabeledSlider.h can't find ui_LabeledSlider.h, and
main.cpp can't find LabeledSlider.h (problems with uic). However, if
instead I add directly to the main project CMakeLists.txt:
include_directories(${CMAKE_CURRENT_BINARY_DIR}/Widget)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/Widget)
it works fine. Can you explain the difference between these two
methods of adding the include directories? I have setup both cases
here: http://daviddoria.com/Uploads/QtSubdirectory.tar.gz
Thanks,
David
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