mirror of https://github.com/flutter/samples.git
Add desktop window setup to form_app (#1039)
Miguel Beltran
2 years ago
committed by
GitHub
parent
3eeac8e7de
commit
6d7ff34d62
@ -0,0 +1 @@
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flutter/ephemeral
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@ -0,0 +1,116 @@
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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 "form_app")
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set(APPLICATION_ID "dev.flutter.formApp.form_app")
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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 "${INSTALL_BUNDLE_LIB_DIR}"
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COMPONENT Runtime)
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endif()
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@ -0,0 +1,87 @@
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cmake_minimum_required(VERSION 3.10)
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set(EPHEMERAL_DIR "${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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)
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@ -0,0 +1,15 @@
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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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#include <window_size/window_size_plugin.h>
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void fl_register_plugins(FlPluginRegistry* registry) {
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g_autoptr(FlPluginRegistrar) window_size_registrar =
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fl_plugin_registry_get_registrar_for_plugin(registry, "WindowSizePlugin");
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window_size_plugin_register_with_registrar(window_size_registrar);
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}
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@ -0,0 +1,15 @@
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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_
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@ -0,0 +1,16 @@
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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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window_size
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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)
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@ -0,0 +1,6 @@
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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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}
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@ -0,0 +1,104 @@
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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, "form_app");
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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, "form_app");
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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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||||
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return TRUE;
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||||
}
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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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||||
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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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||||
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||||
static void my_application_init(MyApplication* self) {}
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||||
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||||
MyApplication* my_application_new() {
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||||
return MY_APPLICATION(g_object_new(my_application_get_type(),
|
||||
"application-id", APPLICATION_ID,
|
||||
"flags", G_APPLICATION_NON_UNIQUE,
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||||
nullptr));
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||||
}
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||||
@ -0,0 +1,18 @@
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||||
#ifndef FLUTTER_MY_APPLICATION_H_
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||||
#define FLUTTER_MY_APPLICATION_H_
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||||
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||||
#include <gtk/gtk.h>
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||||
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||||
G_DECLARE_FINAL_TYPE(MyApplication, my_application, MY, APPLICATION,
|
||||
GtkApplication)
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||||
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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.
|
||||
*/
|
||||
MyApplication* my_application_new();
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||||
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||||
#endif // FLUTTER_MY_APPLICATION_H_
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||||
@ -0,0 +1,17 @@
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||||
flutter/ephemeral/
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||||
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||||
# Visual Studio user-specific files.
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||||
*.suo
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||||
*.user
|
||||
*.userosscache
|
||||
*.sln.docstates
|
||||
|
||||
# Visual Studio build-related files.
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||||
x64/
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||||
x86/
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||||
|
||||
# Visual Studio cache files
|
||||
# files ending in .cache can be ignored
|
||||
*.[Cc]ache
|
||||
# but keep track of directories ending in .cache
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||||
!*.[Cc]ache/
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||||
@ -0,0 +1,95 @@
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||||
cmake_minimum_required(VERSION 3.14)
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||||
project(form_app LANGUAGES CXX)
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||||
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||||
set(BINARY_NAME "form_app")
|
||||
|
||||
cmake_policy(SET CMP0063 NEW)
|
||||
|
||||
set(CMAKE_INSTALL_RPATH "$ORIGIN/lib")
|
||||
|
||||
# Configure build options.
|
||||
get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
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||||
if(IS_MULTICONFIG)
|
||||
set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release"
|
||||
CACHE STRING "" FORCE)
|
||||
else()
|
||||
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
|
||||
set(CMAKE_BUILD_TYPE "Debug" CACHE
|
||||
STRING "Flutter build mode" FORCE)
|
||||
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
|
||||
"Debug" "Profile" "Release")
|
||||
endif()
|
||||
endif()
|
||||
|
||||
set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}")
|
||||
set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}")
|
||||
set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE}")
|
||||
set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE}")
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||||
|
||||
# Use Unicode for all projects.
|
||||
add_definitions(-DUNICODE -D_UNICODE)
|
||||
|
||||
# Compilation settings that should be applied to most targets.
|
||||
function(APPLY_STANDARD_SETTINGS TARGET)
|
||||
target_compile_features(${TARGET} PUBLIC cxx_std_17)
|
||||
target_compile_options(${TARGET} PRIVATE /W4 /WX /wd"4100")
|
||||
target_compile_options(${TARGET} PRIVATE /EHsc)
|
||||
target_compile_definitions(${TARGET} PRIVATE "_HAS_EXCEPTIONS=0")
|
||||
target_compile_definitions(${TARGET} PRIVATE "$<$<CONFIG:Debug>:_DEBUG>")
|
||||
endfunction()
|
||||
|
||||
set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
|
||||
|
||||
# Flutter library and tool build rules.
|
||||
add_subdirectory(${FLUTTER_MANAGED_DIR})
|
||||
|
||||
# Application build
|
||||
add_subdirectory("runner")
|
||||
|
||||
# Generated plugin build rules, which manage building the plugins and adding
|
||||
# them to the application.
|
||||
include(flutter/generated_plugins.cmake)
|
||||
|
||||
|
||||
# === Installation ===
|
||||
# Support files are copied into place next to the executable, so that it can
|
||||
# run in place. This is done instead of making a separate bundle (as on Linux)
|
||||
# so that building and running from within Visual Studio will work.
|
||||
set(BUILD_BUNDLE_DIR "$<TARGET_FILE_DIR:${BINARY_NAME}>")
|
||||
# Make the "install" step default, as it's required to run.
|
||||
set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1)
|
||||
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
|
||||
set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
|
||||
endif()
|
||||
|
||||
set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
|
||||
set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}")
|
||||
|
||||
install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
|
||||
COMPONENT Runtime)
|
||||
|
||||
install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
|
||||
COMPONENT Runtime)
|
||||
|
||||
install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
|
||||
COMPONENT Runtime)
|
||||
|
||||
if(PLUGIN_BUNDLED_LIBRARIES)
|
||||
install(FILES "${PLUGIN_BUNDLED_LIBRARIES}"
|
||||
DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
|
||||
COMPONENT Runtime)
|
||||
endif()
|
||||
|
||||
# Fully re-copy the assets directory on each build to avoid having stale files
|
||||
# from a previous install.
|
||||
set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
|
||||
install(CODE "
|
||||
file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
|
||||
" COMPONENT Runtime)
|
||||
install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
|
||||
DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
|
||||
|
||||
# Install the AOT library on non-Debug builds only.
|
||||
install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
|
||||
CONFIGURATIONS Profile;Release
|
||||
COMPONENT Runtime)
|
||||
@ -0,0 +1,103 @@
|
||||
cmake_minimum_required(VERSION 3.14)
|
||||
|
||||
set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
|
||||
|
||||
# Configuration provided via flutter tool.
|
||||
include(${EPHEMERAL_DIR}/generated_config.cmake)
|
||||
|
||||
# TODO: Move the rest of this into files in ephemeral. See
|
||||
# https://github.com/flutter/flutter/issues/57146.
|
||||
set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper")
|
||||
|
||||
# === Flutter Library ===
|
||||
set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll")
|
||||
|
||||
# Published to parent scope for install step.
|
||||
set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
|
||||
set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
|
||||
set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
|
||||
set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE)
|
||||
|
||||
list(APPEND FLUTTER_LIBRARY_HEADERS
|
||||
"flutter_export.h"
|
||||
"flutter_windows.h"
|
||||
"flutter_messenger.h"
|
||||
"flutter_plugin_registrar.h"
|
||||
"flutter_texture_registrar.h"
|
||||
)
|
||||
list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/")
|
||||
add_library(flutter INTERFACE)
|
||||
target_include_directories(flutter INTERFACE
|
||||
"${EPHEMERAL_DIR}"
|
||||
)
|
||||
target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib")
|
||||
add_dependencies(flutter flutter_assemble)
|
||||
|
||||
# === Wrapper ===
|
||||
list(APPEND CPP_WRAPPER_SOURCES_CORE
|
||||
"core_implementations.cc"
|
||||
"standard_codec.cc"
|
||||
)
|
||||
list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/")
|
||||
list(APPEND CPP_WRAPPER_SOURCES_PLUGIN
|
||||
"plugin_registrar.cc"
|
||||
)
|
||||
list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/")
|
||||
list(APPEND CPP_WRAPPER_SOURCES_APP
|
||||
"flutter_engine.cc"
|
||||
"flutter_view_controller.cc"
|
||||
)
|
||||
list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/")
|
||||
|
||||
# Wrapper sources needed for a plugin.
|
||||
add_library(flutter_wrapper_plugin STATIC
|
||||
${CPP_WRAPPER_SOURCES_CORE}
|
||||
${CPP_WRAPPER_SOURCES_PLUGIN}
|
||||
)
|
||||
apply_standard_settings(flutter_wrapper_plugin)
|
||||
set_target_properties(flutter_wrapper_plugin PROPERTIES
|
||||
POSITION_INDEPENDENT_CODE ON)
|
||||
set_target_properties(flutter_wrapper_plugin PROPERTIES
|
||||
CXX_VISIBILITY_PRESET hidden)
|
||||
target_link_libraries(flutter_wrapper_plugin PUBLIC flutter)
|
||||
target_include_directories(flutter_wrapper_plugin PUBLIC
|
||||
"${WRAPPER_ROOT}/include"
|
||||
)
|
||||
add_dependencies(flutter_wrapper_plugin flutter_assemble)
|
||||
|
||||
# Wrapper sources needed for the runner.
|
||||
add_library(flutter_wrapper_app STATIC
|
||||
${CPP_WRAPPER_SOURCES_CORE}
|
||||
${CPP_WRAPPER_SOURCES_APP}
|
||||
)
|
||||
apply_standard_settings(flutter_wrapper_app)
|
||||
target_link_libraries(flutter_wrapper_app PUBLIC flutter)
|
||||
target_include_directories(flutter_wrapper_app PUBLIC
|
||||
"${WRAPPER_ROOT}/include"
|
||||
)
|
||||
add_dependencies(flutter_wrapper_app flutter_assemble)
|
||||
|
||||
# === Flutter tool backend ===
|
||||
# _phony_ is a non-existent file to force this command to run every time,
|
||||
# since currently there's no way to get a full input/output list from the
|
||||
# flutter tool.
|
||||
set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_")
|
||||
set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE)
|
||||
add_custom_command(
|
||||
OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
|
||||
${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN}
|
||||
${CPP_WRAPPER_SOURCES_APP}
|
||||
${PHONY_OUTPUT}
|
||||
COMMAND ${CMAKE_COMMAND} -E env
|
||||
${FLUTTER_TOOL_ENVIRONMENT}
|
||||
"${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat"
|
||||
windows-x64 $<CONFIG>
|
||||
VERBATIM
|
||||
)
|
||||
add_custom_target(flutter_assemble DEPENDS
|
||||
"${FLUTTER_LIBRARY}"
|
||||
${FLUTTER_LIBRARY_HEADERS}
|
||||
${CPP_WRAPPER_SOURCES_CORE}
|
||||
${CPP_WRAPPER_SOURCES_PLUGIN}
|
||||
${CPP_WRAPPER_SOURCES_APP}
|
||||
)
|
||||
@ -0,0 +1,14 @@
|
||||
//
|
||||
// Generated file. Do not edit.
|
||||
//
|
||||
|
||||
// clang-format off
|
||||
|
||||
#include "generated_plugin_registrant.h"
|
||||
|
||||
#include <window_size/window_size_plugin.h>
|
||||
|
||||
void RegisterPlugins(flutter::PluginRegistry* registry) {
|
||||
WindowSizePluginRegisterWithRegistrar(
|
||||
registry->GetRegistrarForPlugin("WindowSizePlugin"));
|
||||
}
|
||||
@ -0,0 +1,15 @@
|
||||
//
|
||||
// Generated file. Do not edit.
|
||||
//
|
||||
|
||||
// clang-format off
|
||||
|
||||
#ifndef GENERATED_PLUGIN_REGISTRANT_
|
||||
#define GENERATED_PLUGIN_REGISTRANT_
|
||||
|
||||
#include <flutter/plugin_registry.h>
|
||||
|
||||
// Registers Flutter plugins.
|
||||
void RegisterPlugins(flutter::PluginRegistry* registry);
|
||||
|
||||
#endif // GENERATED_PLUGIN_REGISTRANT_
|
||||
@ -0,0 +1,16 @@
|
||||
#
|
||||
# Generated file, do not edit.
|
||||
#
|
||||
|
||||
list(APPEND FLUTTER_PLUGIN_LIST
|
||||
window_size
|
||||
)
|
||||
|
||||
set(PLUGIN_BUNDLED_LIBRARIES)
|
||||
|
||||
foreach(plugin ${FLUTTER_PLUGIN_LIST})
|
||||
add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin})
|
||||
target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
|
||||
list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
|
||||
list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
|
||||
endforeach(plugin)
|
||||
@ -0,0 +1,17 @@
|
||||
cmake_minimum_required(VERSION 3.14)
|
||||
project(runner LANGUAGES CXX)
|
||||
|
||||
add_executable(${BINARY_NAME} WIN32
|
||||
"flutter_window.cpp"
|
||||
"main.cpp"
|
||||
"utils.cpp"
|
||||
"win32_window.cpp"
|
||||
"${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
|
||||
"Runner.rc"
|
||||
"runner.exe.manifest"
|
||||
)
|
||||
apply_standard_settings(${BINARY_NAME})
|
||||
target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX")
|
||||
target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app)
|
||||
target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}")
|
||||
add_dependencies(${BINARY_NAME} flutter_assemble)
|
||||
@ -0,0 +1,121 @@
|
||||
// Microsoft Visual C++ generated resource script.
|
||||
//
|
||||
#pragma code_page(65001)
|
||||
#include "resource.h"
|
||||
|
||||
#define APSTUDIO_READONLY_SYMBOLS
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Generated from the TEXTINCLUDE 2 resource.
|
||||
//
|
||||
#include "winres.h"
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
#undef APSTUDIO_READONLY_SYMBOLS
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
// English (United States) resources
|
||||
|
||||
#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
|
||||
LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
|
||||
|
||||
#ifdef APSTUDIO_INVOKED
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// TEXTINCLUDE
|
||||
//
|
||||
|
||||
1 TEXTINCLUDE
|
||||
BEGIN
|
||||
"resource.h\0"
|
||||
END
|
||||
|
||||
2 TEXTINCLUDE
|
||||
BEGIN
|
||||
"#include ""winres.h""\r\n"
|
||||
"\0"
|
||||
END
|
||||
|
||||
3 TEXTINCLUDE
|
||||
BEGIN
|
||||
"\r\n"
|
||||
"\0"
|
||||
END
|
||||
|
||||
#endif // APSTUDIO_INVOKED
|
||||
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Icon
|
||||
//
|
||||
|
||||
// Icon with lowest ID value placed first to ensure application icon
|
||||
// remains consistent on all systems.
|
||||
IDI_APP_ICON ICON "resources\\app_icon.ico"
|
||||
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Version
|
||||
//
|
||||
|
||||
#ifdef FLUTTER_BUILD_NUMBER
|
||||
#define VERSION_AS_NUMBER FLUTTER_BUILD_NUMBER
|
||||
#else
|
||||
#define VERSION_AS_NUMBER 1,0,0
|
||||
#endif
|
||||
|
||||
#ifdef FLUTTER_BUILD_NAME
|
||||
#define VERSION_AS_STRING #FLUTTER_BUILD_NAME
|
||||
#else
|
||||
#define VERSION_AS_STRING "1.0.0"
|
||||
#endif
|
||||
|
||||
VS_VERSION_INFO VERSIONINFO
|
||||
FILEVERSION VERSION_AS_NUMBER
|
||||
PRODUCTVERSION VERSION_AS_NUMBER
|
||||
FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
|
||||
#ifdef _DEBUG
|
||||
FILEFLAGS VS_FF_DEBUG
|
||||
#else
|
||||
FILEFLAGS 0x0L
|
||||
#endif
|
||||
FILEOS VOS__WINDOWS32
|
||||
FILETYPE VFT_APP
|
||||
FILESUBTYPE 0x0L
|
||||
BEGIN
|
||||
BLOCK "StringFileInfo"
|
||||
BEGIN
|
||||
BLOCK "040904e4"
|
||||
BEGIN
|
||||
VALUE "CompanyName", "dev.flutter.formApp" "\0"
|
||||
VALUE "FileDescription", "form_app" "\0"
|
||||
VALUE "FileVersion", VERSION_AS_STRING "\0"
|
||||
VALUE "InternalName", "form_app" "\0"
|
||||
VALUE "LegalCopyright", "Copyright (C) 2022 dev.flutter.formApp. All rights reserved." "\0"
|
||||
VALUE "OriginalFilename", "form_app.exe" "\0"
|
||||
VALUE "ProductName", "form_app" "\0"
|
||||
VALUE "ProductVersion", VERSION_AS_STRING "\0"
|
||||
END
|
||||
END
|
||||
BLOCK "VarFileInfo"
|
||||
BEGIN
|
||||
VALUE "Translation", 0x409, 1252
|
||||
END
|
||||
END
|
||||
|
||||
#endif // English (United States) resources
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
|
||||
|
||||
#ifndef APSTUDIO_INVOKED
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Generated from the TEXTINCLUDE 3 resource.
|
||||
//
|
||||
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
#endif // not APSTUDIO_INVOKED
|
||||
@ -0,0 +1,61 @@
|
||||
#include "flutter_window.h"
|
||||
|
||||
#include <optional>
|
||||
|
||||
#include "flutter/generated_plugin_registrant.h"
|
||||
|
||||
FlutterWindow::FlutterWindow(const flutter::DartProject& project)
|
||||
: project_(project) {}
|
||||
|
||||
FlutterWindow::~FlutterWindow() {}
|
||||
|
||||
bool FlutterWindow::OnCreate() {
|
||||
if (!Win32Window::OnCreate()) {
|
||||
return false;
|
||||
}
|
||||
|
||||
RECT frame = GetClientArea();
|
||||
|
||||
// The size here must match the window dimensions to avoid unnecessary surface
|
||||
// creation / destruction in the startup path.
|
||||
flutter_controller_ = std::make_unique<flutter::FlutterViewController>(
|
||||
frame.right - frame.left, frame.bottom - frame.top, project_);
|
||||
// Ensure that basic setup of the controller was successful.
|
||||
if (!flutter_controller_->engine() || !flutter_controller_->view()) {
|
||||
return false;
|
||||
}
|
||||
RegisterPlugins(flutter_controller_->engine());
|
||||
SetChildContent(flutter_controller_->view()->GetNativeWindow());
|
||||
return true;
|
||||
}
|
||||
|
||||
void FlutterWindow::OnDestroy() {
|
||||
if (flutter_controller_) {
|
||||
flutter_controller_ = nullptr;
|
||||
}
|
||||
|
||||
Win32Window::OnDestroy();
|
||||
}
|
||||
|
||||
LRESULT
|
||||
FlutterWindow::MessageHandler(HWND hwnd, UINT const message,
|
||||
WPARAM const wparam,
|
||||
LPARAM const lparam) noexcept {
|
||||
// Give Flutter, including plugins, an opportunity to handle window messages.
|
||||
if (flutter_controller_) {
|
||||
std::optional<LRESULT> result =
|
||||
flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam,
|
||||
lparam);
|
||||
if (result) {
|
||||
return *result;
|
||||
}
|
||||
}
|
||||
|
||||
switch (message) {
|
||||
case WM_FONTCHANGE:
|
||||
flutter_controller_->engine()->ReloadSystemFonts();
|
||||
break;
|
||||
}
|
||||
|
||||
return Win32Window::MessageHandler(hwnd, message, wparam, lparam);
|
||||
}
|
||||
@ -0,0 +1,33 @@
|
||||
#ifndef RUNNER_FLUTTER_WINDOW_H_
|
||||
#define RUNNER_FLUTTER_WINDOW_H_
|
||||
|
||||
#include <flutter/dart_project.h>
|
||||
#include <flutter/flutter_view_controller.h>
|
||||
|
||||
#include <memory>
|
||||
|
||||
#include "win32_window.h"
|
||||
|
||||
// A window that does nothing but host a Flutter view.
|
||||
class FlutterWindow : public Win32Window {
|
||||
public:
|
||||
// Creates a new FlutterWindow hosting a Flutter view running |project|.
|
||||
explicit FlutterWindow(const flutter::DartProject& project);
|
||||
virtual ~FlutterWindow();
|
||||
|
||||
protected:
|
||||
// Win32Window:
|
||||
bool OnCreate() override;
|
||||
void OnDestroy() override;
|
||||
LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam,
|
||||
LPARAM const lparam) noexcept override;
|
||||
|
||||
private:
|
||||
// The project to run.
|
||||
flutter::DartProject project_;
|
||||
|
||||
// The Flutter instance hosted by this window.
|
||||
std::unique_ptr<flutter::FlutterViewController> flutter_controller_;
|
||||
};
|
||||
|
||||
#endif // RUNNER_FLUTTER_WINDOW_H_
|
||||
@ -0,0 +1,43 @@
|
||||
#include <flutter/dart_project.h>
|
||||
#include <flutter/flutter_view_controller.h>
|
||||
#include <windows.h>
|
||||
|
||||
#include "flutter_window.h"
|
||||
#include "utils.h"
|
||||
|
||||
int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
|
||||
_In_ wchar_t *command_line, _In_ int show_command) {
|
||||
// Attach to console when present (e.g., 'flutter run') or create a
|
||||
// new console when running with a debugger.
|
||||
if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent()) {
|
||||
CreateAndAttachConsole();
|
||||
}
|
||||
|
||||
// Initialize COM, so that it is available for use in the library and/or
|
||||
// plugins.
|
||||
::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
|
||||
|
||||
flutter::DartProject project(L"data");
|
||||
|
||||
std::vector<std::string> command_line_arguments =
|
||||
GetCommandLineArguments();
|
||||
|
||||
project.set_dart_entrypoint_arguments(std::move(command_line_arguments));
|
||||
|
||||
FlutterWindow window(project);
|
||||
Win32Window::Point origin(10, 10);
|
||||
Win32Window::Size size(1280, 720);
|
||||
if (!window.CreateAndShow(L"form_app", origin, size)) {
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
window.SetQuitOnClose(true);
|
||||
|
||||
::MSG msg;
|
||||
while (::GetMessage(&msg, nullptr, 0, 0)) {
|
||||
::TranslateMessage(&msg);
|
||||
::DispatchMessage(&msg);
|
||||
}
|
||||
|
||||
::CoUninitialize();
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
@ -0,0 +1,16 @@
|
||||
//{{NO_DEPENDENCIES}}
|
||||
// Microsoft Visual C++ generated include file.
|
||||
// Used by Runner.rc
|
||||
//
|
||||
#define IDI_APP_ICON 101
|
||||
|
||||
// Next default values for new objects
|
||||
//
|
||||
#ifdef APSTUDIO_INVOKED
|
||||
#ifndef APSTUDIO_READONLY_SYMBOLS
|
||||
#define _APS_NEXT_RESOURCE_VALUE 102
|
||||
#define _APS_NEXT_COMMAND_VALUE 40001
|
||||
#define _APS_NEXT_CONTROL_VALUE 1001
|
||||
#define _APS_NEXT_SYMED_VALUE 101
|
||||
#endif
|
||||
#endif
|
||||
|
After Width: | Height: | Size: 33 KiB |
@ -0,0 +1,20 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
|
||||
<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
|
||||
<application xmlns="urn:schemas-microsoft-com:asm.v3">
|
||||
<windowsSettings>
|
||||
<dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
|
||||
</windowsSettings>
|
||||
</application>
|
||||
<compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
|
||||
<application>
|
||||
<!-- Windows 10 -->
|
||||
<supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/>
|
||||
<!-- Windows 8.1 -->
|
||||
<supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}"/>
|
||||
<!-- Windows 8 -->
|
||||
<supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}"/>
|
||||
<!-- Windows 7 -->
|
||||
<supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/>
|
||||
</application>
|
||||
</compatibility>
|
||||
</assembly>
|
||||
@ -0,0 +1,64 @@
|
||||
#include "utils.h"
|
||||
|
||||
#include <flutter_windows.h>
|
||||
#include <io.h>
|
||||
#include <stdio.h>
|
||||
#include <windows.h>
|
||||
|
||||
#include <iostream>
|
||||
|
||||
void CreateAndAttachConsole() {
|
||||
if (::AllocConsole()) {
|
||||
FILE *unused;
|
||||
if (freopen_s(&unused, "CONOUT$", "w", stdout)) {
|
||||
_dup2(_fileno(stdout), 1);
|
||||
}
|
||||
if (freopen_s(&unused, "CONOUT$", "w", stderr)) {
|
||||
_dup2(_fileno(stdout), 2);
|
||||
}
|
||||
std::ios::sync_with_stdio();
|
||||
FlutterDesktopResyncOutputStreams();
|
||||
}
|
||||
}
|
||||
|
||||
std::vector<std::string> GetCommandLineArguments() {
|
||||
// Convert the UTF-16 command line arguments to UTF-8 for the Engine to use.
|
||||
int argc;
|
||||
wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc);
|
||||
if (argv == nullptr) {
|
||||
return std::vector<std::string>();
|
||||
}
|
||||
|
||||
std::vector<std::string> command_line_arguments;
|
||||
|
||||
// Skip the first argument as it's the binary name.
|
||||
for (int i = 1; i < argc; i++) {
|
||||
command_line_arguments.push_back(Utf8FromUtf16(argv[i]));
|
||||
}
|
||||
|
||||
::LocalFree(argv);
|
||||
|
||||
return command_line_arguments;
|
||||
}
|
||||
|
||||
std::string Utf8FromUtf16(const wchar_t* utf16_string) {
|
||||
if (utf16_string == nullptr) {
|
||||
return std::string();
|
||||
}
|
||||
int target_length = ::WideCharToMultiByte(
|
||||
CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
|
||||
-1, nullptr, 0, nullptr, nullptr);
|
||||
if (target_length == 0) {
|
||||
return std::string();
|
||||
}
|
||||
std::string utf8_string;
|
||||
utf8_string.resize(target_length);
|
||||
int converted_length = ::WideCharToMultiByte(
|
||||
CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
|
||||
-1, utf8_string.data(),
|
||||
target_length, nullptr, nullptr);
|
||||
if (converted_length == 0) {
|
||||
return std::string();
|
||||
}
|
||||
return utf8_string;
|
||||
}
|
||||
@ -0,0 +1,19 @@
|
||||
#ifndef RUNNER_UTILS_H_
|
||||
#define RUNNER_UTILS_H_
|
||||
|
||||
#include <string>
|
||||
#include <vector>
|
||||
|
||||
// Creates a console for the process, and redirects stdout and stderr to
|
||||
// it for both the runner and the Flutter library.
|
||||
void CreateAndAttachConsole();
|
||||
|
||||
// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string
|
||||
// encoded in UTF-8. Returns an empty std::string on failure.
|
||||
std::string Utf8FromUtf16(const wchar_t* utf16_string);
|
||||
|
||||
// Gets the command line arguments passed in as a std::vector<std::string>,
|
||||
// encoded in UTF-8. Returns an empty std::vector<std::string> on failure.
|
||||
std::vector<std::string> GetCommandLineArguments();
|
||||
|
||||
#endif // RUNNER_UTILS_H_
|
||||
@ -0,0 +1,245 @@
|
||||
#include "win32_window.h"
|
||||
|
||||
#include <flutter_windows.h>
|
||||
|
||||
#include "resource.h"
|
||||
|
||||
namespace {
|
||||
|
||||
constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW";
|
||||
|
||||
// The number of Win32Window objects that currently exist.
|
||||
static int g_active_window_count = 0;
|
||||
|
||||
using EnableNonClientDpiScaling = BOOL __stdcall(HWND hwnd);
|
||||
|
||||
// Scale helper to convert logical scaler values to physical using passed in
|
||||
// scale factor
|
||||
int Scale(int source, double scale_factor) {
|
||||
return static_cast<int>(source * scale_factor);
|
||||
}
|
||||
|
||||
// Dynamically loads the |EnableNonClientDpiScaling| from the User32 module.
|
||||
// This API is only needed for PerMonitor V1 awareness mode.
|
||||
void EnableFullDpiSupportIfAvailable(HWND hwnd) {
|
||||
HMODULE user32_module = LoadLibraryA("User32.dll");
|
||||
if (!user32_module) {
|
||||
return;
|
||||
}
|
||||
auto enable_non_client_dpi_scaling =
|
||||
reinterpret_cast<EnableNonClientDpiScaling*>(
|
||||
GetProcAddress(user32_module, "EnableNonClientDpiScaling"));
|
||||
if (enable_non_client_dpi_scaling != nullptr) {
|
||||
enable_non_client_dpi_scaling(hwnd);
|
||||
FreeLibrary(user32_module);
|
||||
}
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
||||
// Manages the Win32Window's window class registration.
|
||||
class WindowClassRegistrar {
|
||||
public:
|
||||
~WindowClassRegistrar() = default;
|
||||
|
||||
// Returns the singleton registar instance.
|
||||
static WindowClassRegistrar* GetInstance() {
|
||||
if (!instance_) {
|
||||
instance_ = new WindowClassRegistrar();
|
||||
}
|
||||
return instance_;
|
||||
}
|
||||
|
||||
// Returns the name of the window class, registering the class if it hasn't
|
||||
// previously been registered.
|
||||
const wchar_t* GetWindowClass();
|
||||
|
||||
// Unregisters the window class. Should only be called if there are no
|
||||
// instances of the window.
|
||||
void UnregisterWindowClass();
|
||||
|
||||
private:
|
||||
WindowClassRegistrar() = default;
|
||||
|
||||
static WindowClassRegistrar* instance_;
|
||||
|
||||
bool class_registered_ = false;
|
||||
};
|
||||
|
||||
WindowClassRegistrar* WindowClassRegistrar::instance_ = nullptr;
|
||||
|
||||
const wchar_t* WindowClassRegistrar::GetWindowClass() {
|
||||
if (!class_registered_) {
|
||||
WNDCLASS window_class{};
|
||||
window_class.hCursor = LoadCursor(nullptr, IDC_ARROW);
|
||||
window_class.lpszClassName = kWindowClassName;
|
||||
window_class.style = CS_HREDRAW | CS_VREDRAW;
|
||||
window_class.cbClsExtra = 0;
|
||||
window_class.cbWndExtra = 0;
|
||||
window_class.hInstance = GetModuleHandle(nullptr);
|
||||
window_class.hIcon =
|
||||
LoadIcon(window_class.hInstance, MAKEINTRESOURCE(IDI_APP_ICON));
|
||||
window_class.hbrBackground = 0;
|
||||
window_class.lpszMenuName = nullptr;
|
||||
window_class.lpfnWndProc = Win32Window::WndProc;
|
||||
RegisterClass(&window_class);
|
||||
class_registered_ = true;
|
||||
}
|
||||
return kWindowClassName;
|
||||
}
|
||||
|
||||
void WindowClassRegistrar::UnregisterWindowClass() {
|
||||
UnregisterClass(kWindowClassName, nullptr);
|
||||
class_registered_ = false;
|
||||
}
|
||||
|
||||
Win32Window::Win32Window() {
|
||||
++g_active_window_count;
|
||||
}
|
||||
|
||||
Win32Window::~Win32Window() {
|
||||
--g_active_window_count;
|
||||
Destroy();
|
||||
}
|
||||
|
||||
bool Win32Window::CreateAndShow(const std::wstring& title,
|
||||
const Point& origin,
|
||||
const Size& size) {
|
||||
Destroy();
|
||||
|
||||
const wchar_t* window_class =
|
||||
WindowClassRegistrar::GetInstance()->GetWindowClass();
|
||||
|
||||
const POINT target_point = {static_cast<LONG>(origin.x),
|
||||
static_cast<LONG>(origin.y)};
|
||||
HMONITOR monitor = MonitorFromPoint(target_point, MONITOR_DEFAULTTONEAREST);
|
||||
UINT dpi = FlutterDesktopGetDpiForMonitor(monitor);
|
||||
double scale_factor = dpi / 96.0;
|
||||
|
||||
HWND window = CreateWindow(
|
||||
window_class, title.c_str(), WS_OVERLAPPEDWINDOW | WS_VISIBLE,
|
||||
Scale(origin.x, scale_factor), Scale(origin.y, scale_factor),
|
||||
Scale(size.width, scale_factor), Scale(size.height, scale_factor),
|
||||
nullptr, nullptr, GetModuleHandle(nullptr), this);
|
||||
|
||||
if (!window) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return OnCreate();
|
||||
}
|
||||
|
||||
// static
|
||||
LRESULT CALLBACK Win32Window::WndProc(HWND const window,
|
||||
UINT const message,
|
||||
WPARAM const wparam,
|
||||
LPARAM const lparam) noexcept {
|
||||
if (message == WM_NCCREATE) {
|
||||
auto window_struct = reinterpret_cast<CREATESTRUCT*>(lparam);
|
||||
SetWindowLongPtr(window, GWLP_USERDATA,
|
||||
reinterpret_cast<LONG_PTR>(window_struct->lpCreateParams));
|
||||
|
||||
auto that = static_cast<Win32Window*>(window_struct->lpCreateParams);
|
||||
EnableFullDpiSupportIfAvailable(window);
|
||||
that->window_handle_ = window;
|
||||
} else if (Win32Window* that = GetThisFromHandle(window)) {
|
||||
return that->MessageHandler(window, message, wparam, lparam);
|
||||
}
|
||||
|
||||
return DefWindowProc(window, message, wparam, lparam);
|
||||
}
|
||||
|
||||
LRESULT
|
||||
Win32Window::MessageHandler(HWND hwnd,
|
||||
UINT const message,
|
||||
WPARAM const wparam,
|
||||
LPARAM const lparam) noexcept {
|
||||
switch (message) {
|
||||
case WM_DESTROY:
|
||||
window_handle_ = nullptr;
|
||||
Destroy();
|
||||
if (quit_on_close_) {
|
||||
PostQuitMessage(0);
|
||||
}
|
||||
return 0;
|
||||
|
||||
case WM_DPICHANGED: {
|
||||
auto newRectSize = reinterpret_cast<RECT*>(lparam);
|
||||
LONG newWidth = newRectSize->right - newRectSize->left;
|
||||
LONG newHeight = newRectSize->bottom - newRectSize->top;
|
||||
|
||||
SetWindowPos(hwnd, nullptr, newRectSize->left, newRectSize->top, newWidth,
|
||||
newHeight, SWP_NOZORDER | SWP_NOACTIVATE);
|
||||
|
||||
return 0;
|
||||
}
|
||||
case WM_SIZE: {
|
||||
RECT rect = GetClientArea();
|
||||
if (child_content_ != nullptr) {
|
||||
// Size and position the child window.
|
||||
MoveWindow(child_content_, rect.left, rect.top, rect.right - rect.left,
|
||||
rect.bottom - rect.top, TRUE);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
case WM_ACTIVATE:
|
||||
if (child_content_ != nullptr) {
|
||||
SetFocus(child_content_);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
return DefWindowProc(window_handle_, message, wparam, lparam);
|
||||
}
|
||||
|
||||
void Win32Window::Destroy() {
|
||||
OnDestroy();
|
||||
|
||||
if (window_handle_) {
|
||||
DestroyWindow(window_handle_);
|
||||
window_handle_ = nullptr;
|
||||
}
|
||||
if (g_active_window_count == 0) {
|
||||
WindowClassRegistrar::GetInstance()->UnregisterWindowClass();
|
||||
}
|
||||
}
|
||||
|
||||
Win32Window* Win32Window::GetThisFromHandle(HWND const window) noexcept {
|
||||
return reinterpret_cast<Win32Window*>(
|
||||
GetWindowLongPtr(window, GWLP_USERDATA));
|
||||
}
|
||||
|
||||
void Win32Window::SetChildContent(HWND content) {
|
||||
child_content_ = content;
|
||||
SetParent(content, window_handle_);
|
||||
RECT frame = GetClientArea();
|
||||
|
||||
MoveWindow(content, frame.left, frame.top, frame.right - frame.left,
|
||||
frame.bottom - frame.top, true);
|
||||
|
||||
SetFocus(child_content_);
|
||||
}
|
||||
|
||||
RECT Win32Window::GetClientArea() {
|
||||
RECT frame;
|
||||
GetClientRect(window_handle_, &frame);
|
||||
return frame;
|
||||
}
|
||||
|
||||
HWND Win32Window::GetHandle() {
|
||||
return window_handle_;
|
||||
}
|
||||
|
||||
void Win32Window::SetQuitOnClose(bool quit_on_close) {
|
||||
quit_on_close_ = quit_on_close;
|
||||
}
|
||||
|
||||
bool Win32Window::OnCreate() {
|
||||
// No-op; provided for subclasses.
|
||||
return true;
|
||||
}
|
||||
|
||||
void Win32Window::OnDestroy() {
|
||||
// No-op; provided for subclasses.
|
||||
}
|
||||
@ -0,0 +1,98 @@
|
||||
#ifndef RUNNER_WIN32_WINDOW_H_
|
||||
#define RUNNER_WIN32_WINDOW_H_
|
||||
|
||||
#include <windows.h>
|
||||
|
||||
#include <functional>
|
||||
#include <memory>
|
||||
#include <string>
|
||||
|
||||
// A class abstraction for a high DPI-aware Win32 Window. Intended to be
|
||||
// inherited from by classes that wish to specialize with custom
|
||||
// rendering and input handling
|
||||
class Win32Window {
|
||||
public:
|
||||
struct Point {
|
||||
unsigned int x;
|
||||
unsigned int y;
|
||||
Point(unsigned int x, unsigned int y) : x(x), y(y) {}
|
||||
};
|
||||
|
||||
struct Size {
|
||||
unsigned int width;
|
||||
unsigned int height;
|
||||
Size(unsigned int width, unsigned int height)
|
||||
: width(width), height(height) {}
|
||||
};
|
||||
|
||||
Win32Window();
|
||||
virtual ~Win32Window();
|
||||
|
||||
// Creates and shows a win32 window with |title| and position and size using
|
||||
// |origin| and |size|. New windows are created on the default monitor. Window
|
||||
// sizes are specified to the OS in physical pixels, hence to ensure a
|
||||
// consistent size to will treat the width height passed in to this function
|
||||
// as logical pixels and scale to appropriate for the default monitor. Returns
|
||||
// true if the window was created successfully.
|
||||
bool CreateAndShow(const std::wstring& title,
|
||||
const Point& origin,
|
||||
const Size& size);
|
||||
|
||||
// Release OS resources associated with window.
|
||||
void Destroy();
|
||||
|
||||
// Inserts |content| into the window tree.
|
||||
void SetChildContent(HWND content);
|
||||
|
||||
// Returns the backing Window handle to enable clients to set icon and other
|
||||
// window properties. Returns nullptr if the window has been destroyed.
|
||||
HWND GetHandle();
|
||||
|
||||
// If true, closing this window will quit the application.
|
||||
void SetQuitOnClose(bool quit_on_close);
|
||||
|
||||
// Return a RECT representing the bounds of the current client area.
|
||||
RECT GetClientArea();
|
||||
|
||||
protected:
|
||||
// Processes and route salient window messages for mouse handling,
|
||||
// size change and DPI. Delegates handling of these to member overloads that
|
||||
// inheriting classes can handle.
|
||||
virtual LRESULT MessageHandler(HWND window,
|
||||
UINT const message,
|
||||
WPARAM const wparam,
|
||||
LPARAM const lparam) noexcept;
|
||||
|
||||
// Called when CreateAndShow is called, allowing subclass window-related
|
||||
// setup. Subclasses should return false if setup fails.
|
||||
virtual bool OnCreate();
|
||||
|
||||
// Called when Destroy is called.
|
||||
virtual void OnDestroy();
|
||||
|
||||
private:
|
||||
friend class WindowClassRegistrar;
|
||||
|
||||
// OS callback called by message pump. Handles the WM_NCCREATE message which
|
||||
// is passed when the non-client area is being created and enables automatic
|
||||
// non-client DPI scaling so that the non-client area automatically
|
||||
// responsponds to changes in DPI. All other messages are handled by
|
||||
// MessageHandler.
|
||||
static LRESULT CALLBACK WndProc(HWND const window,
|
||||
UINT const message,
|
||||
WPARAM const wparam,
|
||||
LPARAM const lparam) noexcept;
|
||||
|
||||
// Retrieves a class instance pointer for |window|
|
||||
static Win32Window* GetThisFromHandle(HWND const window) noexcept;
|
||||
|
||||
bool quit_on_close_ = false;
|
||||
|
||||
// window handle for top level window.
|
||||
HWND window_handle_ = nullptr;
|
||||
|
||||
// window handle for hosted content.
|
||||
HWND child_content_ = nullptr;
|
||||
};
|
||||
|
||||
#endif // RUNNER_WIN32_WINDOW_H_
|
||||
Loading…
Reference in new issue