From 1a2046590bb3fa2576a8e166e0b0c2f2b5dd2111 Mon Sep 17 00:00:00 2001 From: Herbert Poul Date: Mon, 13 Jul 2020 13:13:20 +0200 Subject: [PATCH] create windows plugin from flutter template. --- example/windows/.gitignore | 17 ++ example/windows/CMakeLists.txt | 95 +++++++ example/windows/flutter/.template_version | 1 + example/windows/flutter/CMakeLists.txt | 98 +++++++ .../flutter/generated_plugin_registrant.cc | 12 + .../flutter/generated_plugin_registrant.h | 13 + .../windows/flutter/generated_plugins.cmake | 16 ++ example/windows/runner/CMakeLists.txt | 18 ++ example/windows/runner/Runner.rc | 70 +++++ example/windows/runner/flutter_window.cpp | 29 ++ example/windows/runner/flutter_window.h | 37 +++ example/windows/runner/main.cpp | 37 +++ example/windows/runner/resource.h | 16 ++ example/windows/runner/resources/app_icon.ico | Bin 0 -> 33772 bytes example/windows/runner/run_loop.cpp | 70 +++++ example/windows/runner/run_loop.h | 40 +++ example/windows/runner/runner.exe.manifest | 20 ++ example/windows/runner/utils.cpp | 22 ++ example/windows/runner/utils.h | 8 + example/windows/runner/win32_window.cpp | 249 ++++++++++++++++++ example/windows/runner/win32_window.h | 96 +++++++ .../windows/runner/window_configuration.cpp | 7 + example/windows/runner/window_configuration.h | 18 ++ pubspec.yaml | 2 + windows/.gitignore | 17 ++ windows/CMakeLists.txt | 22 ++ windows/argon2_ffi_plugin.cpp | 89 +++++++ .../include/argon2_ffi/argon2_ffi_plugin.h | 23 ++ 28 files changed, 1142 insertions(+) create mode 100644 example/windows/.gitignore create mode 100644 example/windows/CMakeLists.txt create mode 100644 example/windows/flutter/.template_version create mode 100644 example/windows/flutter/CMakeLists.txt create mode 100644 example/windows/flutter/generated_plugin_registrant.cc create mode 100644 example/windows/flutter/generated_plugin_registrant.h create mode 100644 example/windows/flutter/generated_plugins.cmake create mode 100644 example/windows/runner/CMakeLists.txt create mode 100644 example/windows/runner/Runner.rc create mode 100644 example/windows/runner/flutter_window.cpp create mode 100644 example/windows/runner/flutter_window.h create mode 100644 example/windows/runner/main.cpp create mode 100644 example/windows/runner/resource.h create mode 100644 example/windows/runner/resources/app_icon.ico create mode 100644 example/windows/runner/run_loop.cpp create mode 100644 example/windows/runner/run_loop.h create mode 100644 example/windows/runner/runner.exe.manifest create mode 100644 example/windows/runner/utils.cpp create mode 100644 example/windows/runner/utils.h create mode 100644 example/windows/runner/win32_window.cpp create mode 100644 example/windows/runner/win32_window.h create mode 100644 example/windows/runner/window_configuration.cpp create mode 100644 example/windows/runner/window_configuration.h create mode 100644 windows/.gitignore create mode 100644 windows/CMakeLists.txt create mode 100644 windows/argon2_ffi_plugin.cpp create mode 100644 windows/include/argon2_ffi/argon2_ffi_plugin.h diff --git a/example/windows/.gitignore b/example/windows/.gitignore new file mode 100644 index 0000000..d492d0d --- /dev/null +++ b/example/windows/.gitignore @@ -0,0 +1,17 @@ +flutter/ephemeral/ + +# Visual Studio user-specific files. +*.suo +*.user +*.userosscache +*.sln.docstates + +# Visual Studio build-related files. +x64/ +x86/ + +# Visual Studio cache files +# files ending in .cache can be ignored +*.[Cc]ache +# but keep track of directories ending in .cache +!*.[Cc]ache/ diff --git a/example/windows/CMakeLists.txt b/example/windows/CMakeLists.txt new file mode 100644 index 0000000..08f14b8 --- /dev/null +++ b/example/windows/CMakeLists.txt @@ -0,0 +1,95 @@ +cmake_minimum_required(VERSION 3.15) +project(argon2_ffi_example LANGUAGES CXX) + +set(BINARY_NAME "argon2_ffi_example") + +cmake_policy(SET CMP0063 NEW) + +set(CMAKE_INSTALL_RPATH "$ORIGIN/lib") + +# Configure build options. +get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG) +if(IS_MULTICONFIG) + set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release" + CACHE STRING "" FORCE) +else() + if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) + set(CMAKE_BUILD_TYPE "Debug" CACHE + STRING "Flutter build mode" FORCE) + set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS + "Debug" "Profile" "Release") + endif() +endif() + +set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${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 "${CMAKE_CXX_FLAGS_RELEASE}") + +# Use Unicode for all projects. +add_definitions(-DUNICODE -D_UNICODE) + +# Compilation settings that should be applied to most targets. +function(APPLY_STANDARD_SETTINGS TARGET) + target_compile_features(${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 "$<$:_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 "$") +# Make the "install" step default, as it's required to run. +set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1) +if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) + set(CMAKE_INSTALL_PREFIX "${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 "${INSTALL_BUNDLE_DATA_DIR}" + CONFIGURATIONS Profile;Release + COMPONENT Runtime) diff --git a/example/windows/flutter/.template_version b/example/windows/flutter/.template_version new file mode 100644 index 0000000..b8626c4 --- /dev/null +++ b/example/windows/flutter/.template_version @@ -0,0 +1 @@ +4 diff --git a/example/windows/flutter/CMakeLists.txt b/example/windows/flutter/CMakeLists.txt new file mode 100644 index 0000000..3c1726f --- /dev/null +++ b/example/windows/flutter/CMakeLists.txt @@ -0,0 +1,98 @@ +cmake_minimum_required(VERSION 3.15) + +set(EPHEMERAL_DIR "${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" +) +list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/") +add_library(flutter INTERFACE) +target_include_directories(flutter INTERFACE + "${EPHEMERAL_DIR}" +) +target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib") +add_dependencies(flutter flutter_assemble) + +# === Wrapper === +list(APPEND CPP_WRAPPER_SOURCES_CORE + "engine_method_result.cc" + "standard_codec.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_PLUGIN + "plugin_registrar.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/") +list(APPEND CPP_WRAPPER_SOURCES_APP + "flutter_view_controller.cc" +) +list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${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. +add_custom_command( + OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} + ${CMAKE_CURRENT_BINARY_DIR}/_phony_ + COMMAND ${CMAKE_COMMAND} -E env + ${FLUTTER_TOOL_ENVIRONMENT} + "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat" + windows-x64 $ +) +add_custom_target(flutter_assemble DEPENDS + "${FLUTTER_LIBRARY}" + ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} +) diff --git a/example/windows/flutter/generated_plugin_registrant.cc b/example/windows/flutter/generated_plugin_registrant.cc new file mode 100644 index 0000000..dead9cc --- /dev/null +++ b/example/windows/flutter/generated_plugin_registrant.cc @@ -0,0 +1,12 @@ +// +// Generated file. Do not edit. +// + +#include "generated_plugin_registrant.h" + +#include + +void RegisterPlugins(flutter::PluginRegistry* registry) { + Argon2FfiPluginRegisterWithRegistrar( + registry->GetRegistrarForPlugin("Argon2FfiPlugin")); +} diff --git a/example/windows/flutter/generated_plugin_registrant.h b/example/windows/flutter/generated_plugin_registrant.h new file mode 100644 index 0000000..9846246 --- /dev/null +++ b/example/windows/flutter/generated_plugin_registrant.h @@ -0,0 +1,13 @@ +// +// Generated file. Do not edit. +// + +#ifndef GENERATED_PLUGIN_REGISTRANT_ +#define GENERATED_PLUGIN_REGISTRANT_ + +#include + +// Registers Flutter plugins. +void RegisterPlugins(flutter::PluginRegistry* registry); + +#endif // GENERATED_PLUGIN_REGISTRANT_ diff --git a/example/windows/flutter/generated_plugins.cmake b/example/windows/flutter/generated_plugins.cmake new file mode 100644 index 0000000..be5a629 --- /dev/null +++ b/example/windows/flutter/generated_plugins.cmake @@ -0,0 +1,16 @@ +# +# Generated file, do not edit. +# + +list(APPEND FLUTTER_PLUGIN_LIST + argon2_ffi +) + +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 $) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) +endforeach(plugin) diff --git a/example/windows/runner/CMakeLists.txt b/example/windows/runner/CMakeLists.txt new file mode 100644 index 0000000..83e5aca --- /dev/null +++ b/example/windows/runner/CMakeLists.txt @@ -0,0 +1,18 @@ +cmake_minimum_required(VERSION 3.15) +project(runner LANGUAGES CXX) + +add_executable(${BINARY_NAME} WIN32 + "flutter_window.cpp" + "main.cpp" + "run_loop.cpp" + "utils.cpp" + "win32_window.cpp" + "window_configuration.cpp" + "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc" + "Runner.rc" + "runner.exe.manifest" +) +apply_standard_settings(${BINARY_NAME}) +target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app) +target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}") +add_dependencies(${BINARY_NAME} flutter_assemble) diff --git a/example/windows/runner/Runner.rc b/example/windows/runner/Runner.rc new file mode 100644 index 0000000..7d86499 --- /dev/null +++ b/example/windows/runner/Runner.rc @@ -0,0 +1,70 @@ +// 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" + +#endif // English (United States) resources +///////////////////////////////////////////////////////////////////////////// + + + +#ifndef APSTUDIO_INVOKED +///////////////////////////////////////////////////////////////////////////// +// +// Generated from the TEXTINCLUDE 3 resource. +// + + +///////////////////////////////////////////////////////////////////////////// +#endif // not APSTUDIO_INVOKED diff --git a/example/windows/runner/flutter_window.cpp b/example/windows/runner/flutter_window.cpp new file mode 100644 index 0000000..fe980cf --- /dev/null +++ b/example/windows/runner/flutter_window.cpp @@ -0,0 +1,29 @@ +#include "flutter_window.h" + +#include "flutter/generated_plugin_registrant.h" + +FlutterWindow::FlutterWindow(RunLoop* run_loop, + const flutter::DartProject& project) + : run_loop_(run_loop), project_(project) {} + +FlutterWindow::~FlutterWindow() {} + +void FlutterWindow::OnCreate() { + Win32Window::OnCreate(); + + // The size here is arbitrary since SetChildContent will resize it. + flutter_controller_ = + std::make_unique(100, 100, project_); + RegisterPlugins(flutter_controller_.get()); + run_loop_->RegisterFlutterInstance(flutter_controller_.get()); + SetChildContent(flutter_controller_->view()->GetNativeWindow()); +} + +void FlutterWindow::OnDestroy() { + if (flutter_controller_) { + run_loop_->UnregisterFlutterInstance(flutter_controller_.get()); + flutter_controller_ = nullptr; + } + + Win32Window::OnDestroy(); +} diff --git a/example/windows/runner/flutter_window.h b/example/windows/runner/flutter_window.h new file mode 100644 index 0000000..4f41e16 --- /dev/null +++ b/example/windows/runner/flutter_window.h @@ -0,0 +1,37 @@ +#ifndef FLUTTER_WINDOW_H_ +#define FLUTTER_WINDOW_H_ + +#include +#include + +#include "run_loop.h" +#include "win32_window.h" + +#include + +// A window that does nothing but host a Flutter view. +class FlutterWindow : public Win32Window { + public: + // Creates a new FlutterWindow driven by the |run_loop|, hosting a + // Flutter view running |project|. + explicit FlutterWindow(RunLoop* run_loop, + const flutter::DartProject& project); + virtual ~FlutterWindow(); + + protected: + // Win32Window: + void OnCreate() override; + void OnDestroy() override; + + private: + // The run loop driving events for this window. + RunLoop* run_loop_; + + // The project to run. + flutter::DartProject project_; + + // The Flutter instance hosted by this window. + std::unique_ptr flutter_controller_; +}; + +#endif // FLUTTER_WINDOW_H_ diff --git a/example/windows/runner/main.cpp b/example/windows/runner/main.cpp new file mode 100644 index 0000000..11b48e9 --- /dev/null +++ b/example/windows/runner/main.cpp @@ -0,0 +1,37 @@ +#include +#include +#include + +#include "flutter_window.h" +#include "run_loop.h" +#include "utils.h" +#include "window_configuration.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); + + RunLoop run_loop; + + flutter::DartProject project(L"data"); + FlutterWindow window(&run_loop, project); + Win32Window::Point origin(kFlutterWindowOriginX, kFlutterWindowOriginY); + Win32Window::Size size(kFlutterWindowWidth, kFlutterWindowHeight); + if (!window.CreateAndShow(kFlutterWindowTitle, origin, size)) { + return EXIT_FAILURE; + } + window.SetQuitOnClose(true); + + run_loop.Run(); + + ::CoUninitialize(); + return EXIT_SUCCESS; +} diff --git a/example/windows/runner/resource.h b/example/windows/runner/resource.h new file mode 100644 index 0000000..66a65d1 --- /dev/null +++ b/example/windows/runner/resource.h @@ -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 diff --git a/example/windows/runner/resources/app_icon.ico b/example/windows/runner/resources/app_icon.ico new file mode 100644 index 0000000000000000000000000000000000000000..c04e20caf6370ebb9253ad831cc31de4a9c965f6 GIT binary patch literal 33772 zcmeHQc|26z|35SKE&G-*mXah&B~fFkXr)DEO&hIfqby^T&>|8^_Ub8Vp#`BLl3lbZ zvPO!8k!2X>cg~Elr=IVxo~J*a`+9wR=A83c-k-DFd(XM&UI1VKCqM@V;DDtJ09WB} 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index 0000000..f91d6d4 --- /dev/null +++ b/example/windows/runner/run_loop.cpp @@ -0,0 +1,70 @@ +#include "run_loop.h" + +#include +// Don't stomp std::min/std::max +#undef max +#undef min + +#include + +RunLoop::RunLoop() {} + +RunLoop::~RunLoop() {} + +void RunLoop::Run() { + bool keep_running = true; + TimePoint next_flutter_event_time = TimePoint::clock::now(); + while (keep_running) { + std::chrono::nanoseconds wait_duration = + std::max(std::chrono::nanoseconds(0), + next_flutter_event_time - TimePoint::clock::now()); + ::MsgWaitForMultipleObjects( + 0, nullptr, FALSE, static_cast(wait_duration.count() / 1000), + QS_ALLINPUT); + bool processed_events = false; + MSG message; + // All pending Windows messages must be processed; MsgWaitForMultipleObjects + // won't return again for items left in the queue after PeekMessage. + while (::PeekMessage(&message, nullptr, 0, 0, PM_REMOVE)) { + processed_events = true; + if (message.message == WM_QUIT) { + keep_running = false; + break; + } + ::TranslateMessage(&message); + ::DispatchMessage(&message); + // Allow Flutter to process messages each time a Windows message is + // processed, to prevent starvation. + next_flutter_event_time = + std::min(next_flutter_event_time, ProcessFlutterMessages()); + } + // If the PeekMessage loop didn't run, process Flutter messages. + if (!processed_events) { + next_flutter_event_time = + std::min(next_flutter_event_time, ProcessFlutterMessages()); + } + } +} + +void RunLoop::RegisterFlutterInstance( + flutter::FlutterViewController* flutter_instance) { + flutter_instances_.insert(flutter_instance); +} + +void RunLoop::UnregisterFlutterInstance( + flutter::FlutterViewController* flutter_instance) { + flutter_instances_.erase(flutter_instance); +} + +RunLoop::TimePoint RunLoop::ProcessFlutterMessages() { + TimePoint next_event_time = TimePoint::max(); + for (auto flutter_controller : flutter_instances_) { + std::chrono::nanoseconds wait_duration = + flutter_controller->ProcessMessages(); + if (wait_duration != std::chrono::nanoseconds::max()) { + next_event_time = + std::min(next_event_time, TimePoint::clock::now() + wait_duration); + } + } + return next_event_time; +} diff --git a/example/windows/runner/run_loop.h b/example/windows/runner/run_loop.h new file mode 100644 index 0000000..442a58e --- /dev/null +++ b/example/windows/runner/run_loop.h @@ -0,0 +1,40 @@ +#ifndef RUN_LOOP_H_ +#define RUN_LOOP_H_ + +#include + +#include +#include + +// A runloop that will service events for Flutter instances as well +// as native messages. +class RunLoop { + public: + RunLoop(); + ~RunLoop(); + + // Prevent copying + RunLoop(RunLoop const&) = delete; + RunLoop& operator=(RunLoop const&) = delete; + + // Runs the run loop until the application quits. + void Run(); + + // Registers the given Flutter instance for event servicing. + void RegisterFlutterInstance( + flutter::FlutterViewController* flutter_instance); + + // Unregisters the given Flutter instance from event servicing. + void UnregisterFlutterInstance( + flutter::FlutterViewController* flutter_instance); + + private: + using TimePoint = std::chrono::steady_clock::time_point; + + // Processes all currently pending messages for registered Flutter instances. + TimePoint ProcessFlutterMessages(); + + std::set flutter_instances_; +}; + +#endif // RUN_LOOP_H_ diff --git a/example/windows/runner/runner.exe.manifest b/example/windows/runner/runner.exe.manifest new file mode 100644 index 0000000..c977c4a --- /dev/null +++ b/example/windows/runner/runner.exe.manifest @@ -0,0 +1,20 @@ + + + + + PerMonitorV2 + + + + + + + + + + + + + + + diff --git a/example/windows/runner/utils.cpp b/example/windows/runner/utils.cpp new file mode 100644 index 0000000..37501e5 --- /dev/null +++ b/example/windows/runner/utils.cpp @@ -0,0 +1,22 @@ +#include "utils.h" + +#include +#include +#include +#include + +#include + +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(); + } +} diff --git a/example/windows/runner/utils.h b/example/windows/runner/utils.h new file mode 100644 index 0000000..d247a66 --- /dev/null +++ b/example/windows/runner/utils.h @@ -0,0 +1,8 @@ +#ifndef CONSOLE_UTILS_H_ +#define CONSOLE_UTILS_H_ + +// Creates a console for the process, and redirects stdout and stderr to +// it for both the runner and the Flutter library. +void CreateAndAttachConsole(); + +#endif // CONSOLE_UTILS_H_ diff --git a/example/windows/runner/win32_window.cpp b/example/windows/runner/win32_window.cpp new file mode 100644 index 0000000..677a9a6 --- /dev/null +++ b/example/windows/runner/win32_window.cpp @@ -0,0 +1,249 @@ +#include "win32_window.h" + +#include + +#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(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( + 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(origin.x), + static_cast(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); + + OnCreate(); + + return window != nullptr; +} + +// 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(lparam); + SetWindowLongPtr(window, GWLP_USERDATA, + reinterpret_cast(window_struct->lpCreateParams)); + + auto that = static_cast(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 { + auto window = + reinterpret_cast(GetWindowLongPtr(hwnd, GWLP_USERDATA)); + + if (window == nullptr) { + return 0; + } + + switch (message) { + case WM_DESTROY: + window_handle_ = nullptr; + Destroy(); + if (quit_on_close_) { + PostQuitMessage(0); + } + return 0; + + case WM_DPICHANGED: { + auto newRectSize = reinterpret_cast(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; + GetClientRect(hwnd, &rect); + 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; + + // Messages that are directly forwarded to embedding. + case WM_FONTCHANGE: + SendMessage(child_content_, WM_FONTCHANGE, NULL, NULL); + 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( + GetWindowLongPtr(window, GWLP_USERDATA)); +} + +void Win32Window::SetChildContent(HWND content) { + child_content_ = content; + SetParent(content, window_handle_); + RECT frame; + GetClientRect(window_handle_, &frame); + + MoveWindow(content, frame.left, frame.top, frame.right - frame.left, + frame.bottom - frame.top, true); + + SetFocus(child_content_); +} + +HWND Win32Window::GetHandle() { + return window_handle_; +} + +void Win32Window::SetQuitOnClose(bool quit_on_close) { + quit_on_close_ = quit_on_close; +} + +void Win32Window::OnCreate() { + // No-op; provided for subclasses. +} + +void Win32Window::OnDestroy() { + // No-op; provided for subclasses. +} diff --git a/example/windows/runner/win32_window.h b/example/windows/runner/win32_window.h new file mode 100644 index 0000000..5cbb5d5 --- /dev/null +++ b/example/windows/runner/win32_window.h @@ -0,0 +1,96 @@ +#ifndef WIN32_WINDOW_H_ +#define WIN32_WINDOW_H_ + +#include +#include + +#include +#include +#include + +// 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); + + 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. + virtual void 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 // WIN32_WINDOW_H_ diff --git a/example/windows/runner/window_configuration.cpp b/example/windows/runner/window_configuration.cpp new file mode 100644 index 0000000..0d19304 --- /dev/null +++ b/example/windows/runner/window_configuration.cpp @@ -0,0 +1,7 @@ +#include "window_configuration.h" + +const wchar_t* kFlutterWindowTitle = L"argon2_ffi_example"; +const unsigned int kFlutterWindowOriginX = 10; +const unsigned int kFlutterWindowOriginY = 10; +const unsigned int kFlutterWindowWidth = 1280; +const unsigned int kFlutterWindowHeight = 720; diff --git a/example/windows/runner/window_configuration.h b/example/windows/runner/window_configuration.h new file mode 100644 index 0000000..ea5cead --- /dev/null +++ b/example/windows/runner/window_configuration.h @@ -0,0 +1,18 @@ +#ifndef WINDOW_CONFIGURATION_ +#define WINDOW_CONFIGURATION_ + +// This is a temporary approach to isolate changes that people are likely to +// make to main.cpp, where the APIs are still in flux. This will reduce the +// need to resolve conflicts or re-create changes slightly differently every +// time the Windows Flutter API surface changes. +// +// Longer term there should be simpler configuration options for common +// customizations like this, without requiring native code changes. + +extern const wchar_t* kFlutterWindowTitle; +extern const unsigned int kFlutterWindowOriginX; +extern const unsigned int kFlutterWindowOriginY; +extern const unsigned int kFlutterWindowWidth; +extern const unsigned int kFlutterWindowHeight; + +#endif // WINDOW_CONFIGURATION_ diff --git a/pubspec.yaml b/pubspec.yaml index 43cb2fa..639a04a 100644 --- a/pubspec.yaml +++ b/pubspec.yaml @@ -40,6 +40,8 @@ flutter: pluginClass: Argon2FfiPlugin linux: pluginClass: Argon2FfiPlugin + windows: + pluginClass: Argon2FfiPlugin # To add assets to your plugin package, add an assets section, like this: # assets: diff --git a/windows/.gitignore b/windows/.gitignore new file mode 100644 index 0000000..b3eb2be --- /dev/null +++ b/windows/.gitignore @@ -0,0 +1,17 @@ +flutter/ + +# Visual Studio user-specific files. +*.suo +*.user +*.userosscache +*.sln.docstates + +# Visual Studio build-related files. +x64/ +x86/ + +# Visual Studio cache files +# files ending in .cache can be ignored +*.[Cc]ache +# but keep track of directories ending in .cache +!*.[Cc]ache/ diff --git a/windows/CMakeLists.txt b/windows/CMakeLists.txt new file mode 100644 index 0000000..02ae9e1 --- /dev/null +++ b/windows/CMakeLists.txt @@ -0,0 +1,22 @@ +cmake_minimum_required(VERSION 3.15) +set(PROJECT_NAME "argon2_ffi") +project(${PROJECT_NAME} LANGUAGES CXX) + +set(PLUGIN_NAME "${PROJECT_NAME}_plugin") + +add_library(${PLUGIN_NAME} SHARED + "${PLUGIN_NAME}.cpp" +) +apply_standard_settings(${PLUGIN_NAME}) +set_target_properties(${PLUGIN_NAME} PROPERTIES + CXX_VISIBILITY_PRESET hidden) +target_compile_definitions(${PLUGIN_NAME} PRIVATE FLUTTER_PLUGIN_IMPL) +target_include_directories(${PLUGIN_NAME} INTERFACE + "${CMAKE_CURRENT_SOURCE_DIR}/include") +target_link_libraries(${PLUGIN_NAME} PRIVATE flutter flutter_wrapper_plugin) + +# List of absolute paths to libraries that should be bundled with the plugin +set(argon2_ffi_bundled_libraries + "" + PARENT_SCOPE +) diff --git a/windows/argon2_ffi_plugin.cpp b/windows/argon2_ffi_plugin.cpp new file mode 100644 index 0000000..7acfa4f --- /dev/null +++ b/windows/argon2_ffi_plugin.cpp @@ -0,0 +1,89 @@ +#include "include/argon2_ffi/argon2_ffi_plugin.h" + +// This must be included before many other Windows headers. +#include + +// For getPlatformVersion; remove unless needed for your plugin implementation. +#include + +#include +#include +#include + +#include +#include +#include + +namespace { + +class Argon2FfiPlugin : public flutter::Plugin { + public: + static void RegisterWithRegistrar(flutter::PluginRegistrarWindows *registrar); + + Argon2FfiPlugin(); + + virtual ~Argon2FfiPlugin(); + + private: + // Called when a method is called on this plugin's channel from Dart. + void HandleMethodCall( + const flutter::MethodCall &method_call, + std::unique_ptr> result); +}; + +// static +void Argon2FfiPlugin::RegisterWithRegistrar( + flutter::PluginRegistrarWindows *registrar) { + auto channel = + std::make_unique>( + registrar->messenger(), "argon2_ffi", + &flutter::StandardMethodCodec::GetInstance()); + + auto plugin = std::make_unique(); + + channel->SetMethodCallHandler( + [plugin_pointer = plugin.get()](const auto &call, auto result) { + plugin_pointer->HandleMethodCall(call, std::move(result)); + }); + + registrar->AddPlugin(std::move(plugin)); +} + +Argon2FfiPlugin::Argon2FfiPlugin() {} + +Argon2FfiPlugin::~Argon2FfiPlugin() {} + +void Argon2FfiPlugin::HandleMethodCall( + const flutter::MethodCall &method_call, + std::unique_ptr> result) { + // Replace "getPlatformVersion" check with your plugin's method. + // See: + // https://github.com/flutter/engine/tree/master/shell/platform/common/cpp/client_wrapper/include/flutter + // and + // https://github.com/flutter/engine/tree/master/shell/platform/glfw/client_wrapper/include/flutter + // for the relevant Flutter APIs. + if (method_call.method_name().compare("getPlatformVersion") == 0) { + std::ostringstream version_stream; + version_stream << "Windows "; + if (IsWindows10OrGreater()) { + version_stream << "10+"; + } else if (IsWindows8OrGreater()) { + version_stream << "8"; + } else if (IsWindows7OrGreater()) { + version_stream << "7"; + } + flutter::EncodableValue response(version_stream.str()); + result->Success(&response); + } else { + result->NotImplemented(); + } +} + +} // namespace + +void Argon2FfiPluginRegisterWithRegistrar( + FlutterDesktopPluginRegistrarRef registrar) { + Argon2FfiPlugin::RegisterWithRegistrar( + flutter::PluginRegistrarManager::GetInstance() + ->GetRegistrar(registrar)); +} diff --git a/windows/include/argon2_ffi/argon2_ffi_plugin.h b/windows/include/argon2_ffi/argon2_ffi_plugin.h new file mode 100644 index 0000000..6111290 --- /dev/null +++ b/windows/include/argon2_ffi/argon2_ffi_plugin.h @@ -0,0 +1,23 @@ +#ifndef FLUTTER_PLUGIN_ARGON2_FFI_PLUGIN_H_ +#define FLUTTER_PLUGIN_ARGON2_FFI_PLUGIN_H_ + +#include + +#ifdef FLUTTER_PLUGIN_IMPL +#define FLUTTER_PLUGIN_EXPORT __declspec(dllexport) +#else +#define FLUTTER_PLUGIN_EXPORT __declspec(dllimport) +#endif + +#if defined(__cplusplus) +extern "C" { +#endif + +FLUTTER_PLUGIN_EXPORT void Argon2FfiPluginRegisterWithRegistrar( + FlutterDesktopPluginRegistrarRef registrar); + +#if defined(__cplusplus) +} // extern "C" +#endif + +#endif // FLUTTER_PLUGIN_ARGON2_FFI_PLUGIN_H_