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hackware1993hackware1993
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add linux support
1 parent b4d1072 commit 62a9c45

9 files changed

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lines changed

‎linux/.gitignore

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flutter/ephemeral

‎linux/CMakeLists.txt

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cmake_minimum_required(VERSION 3.10)
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project(runner LANGUAGES CXX)
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set(BINARY_NAME "flutter_constraintlayout")
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set(APPLICATION_ID "cn.flutterfirst.constraintlayout")
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cmake_policy(SET CMP0063 NEW)
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set(CMAKE_INSTALL_RPATH "$ORIGIN/lib")
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# Root filesystem for cross-building.
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if(FLUTTER_TARGET_PLATFORM_SYSROOT)
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set(CMAKE_SYSROOT ${FLUTTER_TARGET_PLATFORM_SYSROOT})
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set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT})
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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endif()
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# Configure build options.
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if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
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set(CMAKE_BUILD_TYPE "Debug" CACHE
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STRING "Flutter build mode" FORCE)
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set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
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"Debug" "Profile" "Release")
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endif()
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# Compilation settings that should be applied to most targets.
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function(APPLY_STANDARD_SETTINGS TARGET)
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target_compile_features(${TARGET} PUBLIC cxx_std_14)
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target_compile_options(${TARGET} PRIVATE -Wall -Werror)
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target_compile_options(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:-O3>")
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target_compile_definitions(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:NDEBUG>")
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endfunction()
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set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
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# Flutter library and tool build rules.
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add_subdirectory(${FLUTTER_MANAGED_DIR})
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# System-level dependencies.
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find_package(PkgConfig REQUIRED)
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pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
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add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}")
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# Application build
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add_executable(${BINARY_NAME}
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"main.cc"
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"my_application.cc"
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"${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
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)
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apply_standard_settings(${BINARY_NAME})
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target_link_libraries(${BINARY_NAME} PRIVATE flutter)
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target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK)
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add_dependencies(${BINARY_NAME} flutter_assemble)
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# Only the install-generated bundle's copy of the executable will launch
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# correctly, since the resources must in the right relative locations. To avoid
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# people trying to run the unbundled copy, put it in a subdirectory instead of
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# the default top-level location.
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set_target_properties(${BINARY_NAME}
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PROPERTIES
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RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run"
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)
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# Generated plugin build rules, which manage building the plugins and adding
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# them to the application.
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include(flutter/generated_plugins.cmake)
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# === Installation ===
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# By default, "installing" just makes a relocatable bundle in the build
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# directory.
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set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle")
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if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
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set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
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endif()
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# Start with a clean build bundle directory every time.
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install(CODE "
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file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\")
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" COMPONENT Runtime)
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set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
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set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib")
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install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
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COMPONENT Runtime)
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install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
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COMPONENT Runtime)
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install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
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COMPONENT Runtime)
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if(PLUGIN_BUNDLED_LIBRARIES)
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install(FILES "${PLUGIN_BUNDLED_LIBRARIES}"
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DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
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COMPONENT Runtime)
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endif()
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# Fully re-copy the assets directory on each build to avoid having stale files
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# from a previous install.
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set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
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install(CODE "
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file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
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" COMPONENT Runtime)
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install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
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DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
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# Install the AOT library on non-Debug builds only.
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if(NOT CMAKE_BUILD_TYPE MATCHES "Debug")
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install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
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COMPONENT Runtime)
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endif()

‎linux/flutter/CMakeLists.txt

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cmake_minimum_required(VERSION 3.10)
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set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
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# Configuration provided via flutter tool.
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include(${EPHEMERAL_DIR}/generated_config.cmake)
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# TODO: Move the rest of this into files in ephemeral. See
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# https://github.com/flutter/flutter/issues/57146.
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# Serves the same purpose as list(TRANSFORM ... PREPEND ...),
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# which isn't available in 3.10.
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function(list_prepend LIST_NAME PREFIX)
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set(NEW_LIST "")
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foreach(element ${${LIST_NAME}})
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list(APPEND NEW_LIST "${PREFIX}${element}")
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endforeach(element)
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set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE)
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endfunction()
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# === Flutter Library ===
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# System-level dependencies.
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find_package(PkgConfig REQUIRED)
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pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
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pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0)
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pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0)
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set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so")
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# Published to parent scope for install step.
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set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
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set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
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set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
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set(AOT_LIBRARY "${PROJECT_DIR}/build/lib/libapp.so" PARENT_SCOPE)
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list(APPEND FLUTTER_LIBRARY_HEADERS
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"fl_basic_message_channel.h"
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"fl_binary_codec.h"
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"fl_binary_messenger.h"
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"fl_dart_project.h"
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"fl_engine.h"
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"fl_json_message_codec.h"
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"fl_json_method_codec.h"
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"fl_message_codec.h"
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"fl_method_call.h"
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"fl_method_channel.h"
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"fl_method_codec.h"
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"fl_method_response.h"
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"fl_plugin_registrar.h"
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"fl_plugin_registry.h"
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"fl_standard_message_codec.h"
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"fl_standard_method_codec.h"
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"fl_string_codec.h"
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"fl_value.h"
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"fl_view.h"
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"flutter_linux.h"
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)
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list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/")
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add_library(flutter INTERFACE)
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target_include_directories(flutter INTERFACE
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"${EPHEMERAL_DIR}"
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)
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target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}")
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target_link_libraries(flutter INTERFACE
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PkgConfig::GTK
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PkgConfig::GLIB
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PkgConfig::GIO
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)
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add_dependencies(flutter flutter_assemble)
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# === Flutter tool backend ===
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# _phony_ is a non-existent file to force this command to run every time,
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# since currently there's no way to get a full input/output list from the
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# flutter tool.
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add_custom_command(
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OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
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${CMAKE_CURRENT_BINARY_DIR}/_phony_
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COMMAND ${CMAKE_COMMAND} -E env
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${FLUTTER_TOOL_ENVIRONMENT}
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"${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh"
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${FLUTTER_TARGET_PLATFORM} ${CMAKE_BUILD_TYPE}
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VERBATIM
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)
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add_custom_target(flutter_assemble DEPENDS
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"${FLUTTER_LIBRARY}"
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${FLUTTER_LIBRARY_HEADERS}
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)

‎linux/flutter/generated_plugin_registrant.cc

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//
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// Generated file. Do not edit.
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//
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// clang-format off
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#include "generated_plugin_registrant.h"
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void fl_register_plugins(FlPluginRegistry* registry) {
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}

‎linux/flutter/generated_plugin_registrant.h

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//
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// Generated file. Do not edit.
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//
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// clang-format off
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#ifndef GENERATED_PLUGIN_REGISTRANT_
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#define GENERATED_PLUGIN_REGISTRANT_
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#include <flutter_linux/flutter_linux.h>
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// Registers Flutter plugins.
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void fl_register_plugins(FlPluginRegistry* registry);
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#endif // GENERATED_PLUGIN_REGISTRANT_

‎linux/flutter/generated_plugins.cmake

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#
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# Generated file, do not edit.
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#
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list(APPEND FLUTTER_PLUGIN_LIST
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)
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set(PLUGIN_BUNDLED_LIBRARIES)
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foreach(plugin ${FLUTTER_PLUGIN_LIST})
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add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux plugins/${plugin})
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target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
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list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
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list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
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endforeach(plugin)

‎linux/main.cc

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#include "my_application.h"
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int main(int argc, char** argv) {
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g_autoptr(MyApplication) app = my_application_new();
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return g_application_run(G_APPLICATION(app), argc, argv);
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}

‎linux/my_application.cc

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#include "my_application.h"
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#include <flutter_linux/flutter_linux.h>
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#ifdef GDK_WINDOWING_X11
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#include <gdk/gdkx.h>
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#endif
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#include "flutter/generated_plugin_registrant.h"
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struct _MyApplication {
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GtkApplication parent_instance;
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char** dart_entrypoint_arguments;
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};
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G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION)
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// Implements GApplication::activate.
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static void my_application_activate(GApplication* application) {
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MyApplication* self = MY_APPLICATION(application);
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GtkWindow* window =
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GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application)));
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// Use a header bar when running in GNOME as this is the common style used
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// by applications and is the setup most users will be using (e.g. Ubuntu
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// desktop).
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// If running on X and not using GNOME then just use a traditional title bar
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// in case the window manager does more exotic layout, e.g. tiling.
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// If running on Wayland assume the header bar will work (may need changing
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// if future cases occur).
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gboolean use_header_bar = TRUE;
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#ifdef GDK_WINDOWING_X11
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GdkScreen* screen = gtk_window_get_screen(window);
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if (GDK_IS_X11_SCREEN(screen)) {
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const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen);
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if (g_strcmp0(wm_name, "GNOME Shell") != 0) {
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use_header_bar = FALSE;
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}
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}
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#endif
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if (use_header_bar) {
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GtkHeaderBar* header_bar = GTK_HEADER_BAR(gtk_header_bar_new());
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gtk_widget_show(GTK_WIDGET(header_bar));
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gtk_header_bar_set_title(header_bar, "flutter_constraintlayout");
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gtk_header_bar_set_show_close_button(header_bar, TRUE);
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gtk_window_set_titlebar(window, GTK_WIDGET(header_bar));
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} else {
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gtk_window_set_title(window, "flutter_constraintlayout");
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}
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gtk_window_set_default_size(window, 1280, 720);
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gtk_widget_show(GTK_WIDGET(window));
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g_autoptr(FlDartProject) project = fl_dart_project_new();
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fl_dart_project_set_dart_entrypoint_arguments(project, self->dart_entrypoint_arguments);
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FlView* view = fl_view_new(project);
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gtk_widget_show(GTK_WIDGET(view));
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gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view));
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fl_register_plugins(FL_PLUGIN_REGISTRY(view));
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gtk_widget_grab_focus(GTK_WIDGET(view));
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}
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// Implements GApplication::local_command_line.
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static gboolean my_application_local_command_line(GApplication* application, gchar*** arguments, int* exit_status) {
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MyApplication* self = MY_APPLICATION(application);
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// Strip out the first argument as it is the binary name.
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self->dart_entrypoint_arguments = g_strdupv(*arguments + 1);
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g_autoptr(GError) error = nullptr;
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if (!g_application_register(application, nullptr, &error)) {
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g_warning("Failed to register: %s", error->message);
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*exit_status = 1;
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return TRUE;
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}
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g_application_activate(application);
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*exit_status = 0;
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return TRUE;
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}
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// Implements GObject::dispose.
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static void my_application_dispose(GObject* object) {
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MyApplication* self = MY_APPLICATION(object);
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g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev);
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G_OBJECT_CLASS(my_application_parent_class)->dispose(object);
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}
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static void my_application_class_init(MyApplicationClass* klass) {
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G_APPLICATION_CLASS(klass)->activate = my_application_activate;
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G_APPLICATION_CLASS(klass)->local_command_line = my_application_local_command_line;
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G_OBJECT_CLASS(klass)->dispose = my_application_dispose;
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}
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static void my_application_init(MyApplication* self) {}
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MyApplication* my_application_new() {
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return MY_APPLICATION(g_object_new(my_application_get_type(),
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"application-id", APPLICATION_ID,
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"flags", G_APPLICATION_NON_UNIQUE,
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nullptr));
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}

‎linux/my_application.h

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#ifndef FLUTTER_MY_APPLICATION_H_
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#define FLUTTER_MY_APPLICATION_H_
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#include <gtk/gtk.h>
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G_DECLARE_FINAL_TYPE(MyApplication, my_application, MY, APPLICATION,
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GtkApplication)
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/**
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* my_application_new:
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*
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* Creates a new Flutter-based application.
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*
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* Returns: a new #MyApplication.
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*/
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MyApplication* my_application_new();
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#endif // FLUTTER_MY_APPLICATION_H_

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