Merge remote-tracking branch 'origin/wip/cmake' into dev

This pulls the CMake port, which not only adds CMake files but also
modifies existing code. A brief summary of "seemingly unrelated" changes:

    * configure.json was re-formatted to not use multi-line strings. That
      is an extension of the Qt JSON parser but not JSON compliant, which
      is needed for the configure.json-to-cmake conversion script (python).
    * Some moc inclusions were added due to CMake's slightly different way
      of handling moc. With the changes the files build with qmake and cmake.
    * Since CMake just grep's for the Q_OBJECT macro to determine whether to
      call moc (instead of doing pre-processing like qmake), the existing use
      of "Q_OBJECT" in our documentation was changed to \Q_OBJECT, which cmake
      doesn't see and which is now a qdoc macro.
    * QTestLib's qFindTestData was extended to also search in the source
      directory known at build time.

What this change also brings is a new way of building modules in Coin by using
YAML configuration files that describe the steps of building and testing in Coin
specific terms. The platform configuration files in qt5 are instructed to use the
old Coin built-in way of testing ("UseLegacyInstructions" feature) but for any
configurations that do not have this, these yaml files in the coin/ sub-directory
are used and shared across repositories.

Change-Id: I1d832c3400e8d6945ad787024ba60e7440225c08

1 files changed, 80 insertions, 0 deletions

diff --git a/src/widgets/Qt6WidgetsMacros.cmake b/src/widgets/Qt6WidgetsMacros.cmake
new file mode 100644
index 0000000000..5b0f2e700f
--- /dev/null
+++ b/src/widgets/Qt6WidgetsMacros.cmake
@@ -0,0 +1,80 @@
+#=============================================================================
+# Copyright 2005-2011 Kitware, Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# * Redistributions of source code must retain the above copyright
+#   notice, this list of conditions and the following disclaimer.
+#
+# * Redistributions in binary form must reproduce the above copyright
+#   notice, this list of conditions and the following disclaimer in the
+#   documentation and/or other materials provided with the distribution.
+#
+# * Neither the name of Kitware, Inc. nor the names of its
+#   contributors may be used to endorse or promote products derived
+#   from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#=============================================================================
+
+######################################
+#
+#       Macros for building Qt files
+#
+######################################
+
+include(CMakeParseArguments)
+
+
+# qt6_wrap_ui(outfiles inputfile ... )
+
+function(qt6_wrap_ui outfiles )
+    set(options)
+    set(oneValueArgs)
+    set(multiValueArgs OPTIONS)
+
+    cmake_parse_arguments(_WRAP_UI "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
+
+    set(ui_files ${_WRAP_UI_UNPARSED_ARGUMENTS})
+    set(ui_options ${_WRAP_UI_OPTIONS})
+
+    foreach(it ${ui_files})
+        get_filename_component(outfile ${it} NAME_WE)
+        get_filename_component(infile ${it} ABSOLUTE)
+        set(outfile ${CMAKE_CURRENT_BINARY_DIR}/ui_${outfile}.h)
+        add_custom_command(OUTPUT ${outfile}
+          COMMAND ${QT_CMAKE_EXPORT_NAMESPACE}::uic
+          ARGS ${ui_options} -o ${outfile} ${infile}
+          MAIN_DEPENDENCY ${infile} VERBATIM)
+        set_source_files_properties(${infile} PROPERTIES SKIP_AUTOUIC ON)
+        set_source_files_properties(${outfile} PROPERTIES SKIP_AUTOMOC ON)
+        set_source_files_properties(${outfile} PROPERTIES SKIP_AUTOUIC ON)
+        list(APPEND ${outfiles} ${outfile})
+    endforeach()
+    set(${outfiles} ${${outfiles}} PARENT_SCOPE)
+endfunction()
+
+# This will override the CMake upstream command, because that one is for Qt 3.
+if(NOT QT_NO_CREATE_VERSIONLESS_FUNCTIONS)
+    function(qt_wrap_ui outfiles)
+        if(QT_DEFAULT_MAJOR_VERSION EQUAL 5)
+            qt5_wrap_ui("${outfiles}" ${ARGN})
+        elseif(QT_DEFAULT_MAJOR_VERSION EQUAL 6)
+            qt6_wrap_ui("${outfiles}" ${ARGN})
+        endif()
+        set("${outfiles}" "${${outfiles}}" PARENT_SCOPE)
+    endfunction()
+endif()