cmake files reorganized

CMakeLists.txt

@@ -5,63 +5,44 @@ project(QSkinny
     HOMEPAGE_URL "https://github.com/uwerat/qskinny"
     VERSION 999.99.9)
 
+option(BUILD_QSKDLL
+    "Build qskinny as shared library" ON)
+
+option(BUILD_TOOLS      "Build qskinny tools" ON)
+option(BUILD_EXAMPLES   "Build qskinny examples" ON)
+option(BUILD_PLAYGROUND "Build qskinny playground" ON)
+option(BUILD_SVG2QVG_STANDALONE "Build svg2qvg without qskinny library dependency" ON)
+
+option(ENABLE_PINYIN    "UNIX: Enable romanization system for standard mandarin chinese" OFF)
+option(ENABLE_HUNSPELL  "UNIX: Enable spell checker" OFF)
+option(ENABLE_ENSURE_SKINS "Examples will load skins manually, when not finding plugins" ON)
+
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
 #set(CMAKE_FIND_DEBUG_MODE TRUE)
-
-find_package(QT NAMES Qt6 Qt5 REQUIRED COMPONENTS Core)
-
-if ( QT_FOUND )
-    message(STATUS "Found Qt ${QT_VERSION} ${_qt_cmake_dir}")
-
-    if(QT_VERSION VERSION_LESS "5.15.0")
-        message(FATAL_ERROR "Couldn't find any Qt >= 5.15 !")
-    endif()
-else()
-    message(FATAL_ERROR "Couldn't find any Qt package !")
-endif()
-
-# Note, that modules might be found in different places.
-# f.e. when having Qt installations that have only been built
-# with a subset of modules
-
-find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Gui OpenGL Quick )
-find_package(Qt${QT_VERSION_MAJOR} OPTIONAL_COMPONENTS Svg)
-
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
+include("QskFindQt")
+include("QskAutogen")
 include("QskBuild")
 
-# optional package hunspell
-if(NOT LINUX AND ENABLE_HUNSPELL)
-    message(WARNING "Feature 'hunspell' only available for UNIX!")
-    unset(ENABLE_HUNSPELL CACHE)
-endif()
-
-# optional package pinyin
-if(NOT LINUX AND ENABLE_PINYIN)
-    message(WARNING "Feature 'pinyin' only available for UNIX!")
-    unset(ENABLE_PINYIN CACHE)
-endif()
-
-if(ENABLE_HUNSPELL)
-    include("QSkinnyOptionalHunspell")
-endif()
-
-if(ENABLE_PINYIN)
-    include("QSkinnyOptionalPinyin")
-endif()
-
 add_subdirectory(src)
 add_subdirectory(skins)
 add_subdirectory(inputcontext)
 add_subdirectory(qmlexport)
-add_subdirectory(tools)
+
+if(BUILD_EXAMPLES OR BUILD_EXAMPLES)
     add_subdirectory(support)
+endif()
+
+if(BUILD_TOLLS)
+    add_subdirectory(tools)
+endif()
 
 if(BUILD_EXAMPLES)
     add_subdirectory(examples)
 endif()
+
 if(BUILD_PLAYGROUND)
     add_subdirectory(playground)
 endif()

cmake/QskAutogen.cmake

@@ -0,0 +1,10 @@
+############################################################################
+# QSkinny - Copyright (C) 2016 Uwe Rathmann
+# This file may be used under the terms of the QSkinny License, Version 1.0
+############################################################################
+
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
+set(CMAKE_AUTOUIC OFF)
+set(CMAKE_GLOBAL_AUTOGEN_TARGET OFF)
+set(AUTOGEN_BUILD_DIR "${CMAKE_CURRENT_BINARY_DIR}/autogen")

cmake/QskBuild.cmake

@@ -3,12 +3,6 @@
 # This file may be used under the terms of the QSkinny License, Version 1.0
 ############################################################################
 
-set(CMAKE_AUTOMOC ON)
-set(CMAKE_AUTORCC ON)
-set(CMAKE_AUTOUIC OFF)
-set(CMAKE_GLOBAL_AUTOGEN_TARGET OFF)
-set(AUTOGEN_BUILD_DIR "${CMAKE_CURRENT_BINARY_DIR}/autogen")
-
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
@@ -24,16 +18,6 @@ set(CMAKE_VISIBILITY_INLINES_HIDDEN 1)
 
 ADD_DEFINITIONS(-DQT_NO_KEYWORDS)
 
-option(BUILD_QSKDLL             "Build qskinny as shared library" ON)
-option(BUILD_EXAMPLES           "Build qskinny examples" ON)
-option(BUILD_PLAYGROUND         "Build qskinny playground" ON)
-option(BUILD_SVG2QVG_STANDALONE "If 'ON' application won't be linked against qskinny library" ON)
-option(ENABLE_PINYIN            "UNIX ONLY OPTION: Enable romanization system for standard mandarin chinese" OFF)
-option(ENABLE_HUNSPELL          "UNIX ONLY OPTION: Enable spell checker" OFF)
-option(ENABLE_FONT_CONFIG       "Enable font config for font caching" ON)
-option(ENABLE_ENSURE_SKINS      "Enabling fall back code, that inserts some skin factories manually when not finding skin factories as plugins" ON)
-option(ENABLE_AUTOQVG           "enable automatic qvg compilation" OFF)
-
 if ("pedantic" IN_LIST CONFIG)
 
     if(QT_VERSION_MAJOR VERSION_EQUAL "5")

cmake/QskFindQt.cmake

@@ -0,0 +1,53 @@
+############################################################################
+# QSkinny - Copyright (C) 2016 Uwe Rathmann
+# This file may be used under the terms of the QSkinny License, Version 1.0
+############################################################################
+
+# Often users have several Qt installations on their system and
+# need to be able to explicitly the one to be used. Let's see if
+# standard cmake features are good enough or if we need to introduce
+# something sort of additional option. TODO ...
+
+find_package(QT NAMES Qt6 Qt5 REQUIRED COMPONENTS Core)
+
+if ( QT_FOUND )
+
+    # Would like to have a status message about where the Qt installation
+    # has been found without having the mess of CMAKE_FIND_DEBUG_MODE
+    # All I found was 
+
+    message(STATUS "Found Qt ${QT_VERSION} ${_qt_cmake_dir}")
+
+    if(QT_VERSION VERSION_LESS "5.15.0")
+        message(FATAL_ERROR "Couldn't find any Qt >= 5.15 !")
+    endif()
+else()
+    message(FATAL_ERROR "Couldn't find any Qt package !")
+endif()
+
+# Not sure if using find_package here is a good idea.
+# In situations, where the Qt installation that has been found
+# above has not been built with all modules we might end up with modules
+# from other Qt installations/versions. Might be better to limit
+# finding packages from the same package. TODO ...
+
+find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Gui OpenGL Quick )
+
+if( BUILD_TOOLS )
+    # needed for building the svg2qvg tool
+    find_package(Qt${QT_VERSION_MAJOR} OPTIONAL_COMPONENTS Svg)
+endif()
+
+# some examples need additional modules
+
+if( BUILD_EXAMPLES OR BUILD_PLAYGROUND )
+    find_package(Qt${QT_VERSION_MAJOR} OPTIONAL_COMPONENTS QuickWidgets)
+endif()
+
+if(BUILD_PLAYGROUND)
+    if (QT_VERSION_MAJOR VERSION_LESS 6)
+        find_package(Qt${QT_VERSION_MAJOR} OPTIONAL_COMPONENTS WebEngine)
+    else()
+        find_package(Qt${QT_VERSION_MAJOR} OPTIONAL_COMPONENTS WebEngineCore WebEngineQuick)
+    endif()
+endif()

inputcontext/CMakeLists.txt

@@ -4,7 +4,19 @@ list(APPEND HEADERS QskInputContextGlobal.h)
 list(APPEND SOURCES QskInputContextPlugin.cpp)
 list(APPEND OTHER_FILES metadata.json)
 
+if(NOT LINUX AND ENABLE_HUNSPELL)
+    message(WARNING "Feature 'hunspell' only available for UNIX!")
+    unset(ENABLE_HUNSPELL CACHE)
+endif()
+
+if(NOT LINUX AND ENABLE_PINYIN)
+    message(WARNING "Feature 'pinyin' only available for UNIX!")
+    unset(ENABLE_PINYIN CACHE)
+endif()
+
 if(ENABLE_PINYIN)
+    include("QSkinnyOptionalPinyin")
+
     list(APPEND HEADERS
         ${CMAKE_SOURCE_DIR}/src/inputpanel/QskPinyinTextPredictor.h)
     list(APPEND SOURCES
@@ -12,6 +24,8 @@ if(ENABLE_PINYIN)
 endif()
 
 if(ENABLE_HUNSPELL)
+    include("QSkinnyOptionalHunspell")
+
     list(APPEND HEADERS
         ${CMAKE_SOURCE_DIR}/src/inputpanel/QskHunspellTextPredictor.h)
     list(APPEND SOURCES

support/CMakeLists.txt

@@ -19,7 +19,17 @@ else()
     qsk_add_library(${TARGET_NAME} STATIC ${TARGET_SOURCES} ${TARGET_HEADERS})
 endif()
 
-if(ENABLE_FONT_CONFIG)
+set(HACK_FONT_CONFIG ON)
+
+if(HACK_FONT_CONFIG)
+
+    message( STATUS "Building an dummy fontconfig enviroment for faster startups" )
+
+    # On systems where many fonts are installed we have a significant effect
+    # on the startup performance when building the font cache. To avoid this
+    # penalty we configure an empty environment
+    # ( this code should be moved to a cmake function TODO ...
+
     set(QSK_FONTDIR       ${CMAKE_CURRENT_LIST_DIR}/fonts)
     set(QSK_FONTCACHEDIR  ${CMAKE_CURRENT_BINARY_DIR}/fontconfig)
     set(QSK_FONTCONF_FILE ${QSK_FONTCACHEDIR}/fonts.conf)