diff --git a/.ci.yaml b/.ci.yaml index efde724016..8c95354daa 100644 --- a/.ci.yaml +++ b/.ci.yaml @@ -4016,9 +4016,9 @@ targets: ] task_name: windows_home_scroll_perf__timeline_summary - - name: Windows hello_world_windows__compile + - name: Windows hello_world_win_desktop__compile recipe: devicelab/devicelab_drone - bringup: true + bringup: true # New target https://github.com/flutter/flutter/issues/70027 timeout: 60 properties: tags: > @@ -4027,7 +4027,85 @@ targets: [ {"dependency": "vs_build", "version": "version:vs2019"} ] - task_name: hello_world_windows__compile + task_name: hello_world_win_desktop__compile + + - name: Windows flutter_gallery_win_desktop__compile + recipe: devicelab/devicelab_drone + bringup: true # New target https://github.com/flutter/flutter/issues/70027 + timeout: 60 + properties: + tags: > + ["devicelab", "hostonly"] + dependencies: >- + [ + {"dependency": "vs_build", "version": "version:vs2019"} + ] + task_name: flutter_gallery_win_desktop__compile + + - name: Windows flutter_gallery_win_desktop__start_up + recipe: devicelab/devicelab_drone + bringup: true # New target https://github.com/flutter/flutter/issues/70027 + timeout: 60 + properties: + tags: > + ["devicelab", "hostonly"] + dependencies: >- + [ + {"dependency": "vs_build", "version": "version:vs2019"} + ] + task_name: flutter_gallery_win_desktop__start_up + + - name: Windows complex_layout_win_desktop__compile + recipe: devicelab/devicelab_drone + bringup: true # New target https://github.com/flutter/flutter/issues/70027 + timeout: 60 + properties: + tags: > + ["devicelab", "hostonly"] + dependencies: >- + [ + {"dependency": "vs_build", "version": "version:vs2019"} + ] + task_name: complex_layout_win_desktop__compile + + - name: Windows complex_layout_win_desktop__start_up + recipe: devicelab/devicelab_drone + bringup: true # New target https://github.com/flutter/flutter/issues/70027 + timeout: 60 + properties: + tags: > + ["devicelab", "hostonly"] + dependencies: >- + [ + {"dependency": "vs_build", "version": "version:vs2019"} + ] + task_name: complex_layout_win_desktop__start_up + + - name: Windows flutter_view_win_desktop__start_up + recipe: devicelab/devicelab_drone + bringup: true # New target https://github.com/flutter/flutter/issues/70027 + timeout: 60 + properties: + tags: > + ["devicelab", "hostonly"] + dependencies: >- + [ + {"dependency": "vs_build", "version": "version:vs2019"} + ] + task_name: flutter_view_win_desktop__start_up + + - name: Windows platform_view_win_desktop__start_up + recipe: devicelab/devicelab_drone + bringup: true + timeout: 60 # New target https://github.com/flutter/flutter/issues/70027 + properties: + tags: > + ["devicelab", "hostonly"] + dependencies: >- + [ + {"dependency": "vs_build", "version": "version:vs2019"} + ] + task_name: platform_view_win_desktop__start_up - name: Windows_android basic_material_app_win__compile recipe: devicelab/devicelab_drone diff --git a/TESTOWNERS b/TESTOWNERS index 99435526bf..00fe27f1e5 100644 --- a/TESTOWNERS +++ b/TESTOWNERS @@ -218,7 +218,13 @@ /dev/devicelab/bin/tasks/run_release_test_macos.dart @cbracken @flutter/tool /dev/devicelab/bin/tasks/entrypoint_dart_registrant.dart @aaclarke @flutter/plugin /dev/devicelab/bin/tasks/windows_home_scroll_perf__timeline_summary.dart @jonahwilliams @flutter/engine -/dev/devicelab/bin/tasks/hello_world_windows__compile.dart @schectman @flutter/desktop +/dev/devicelab/bin/tasks/hello_world_win_desktop__compile.dart @schectman @flutter/desktop +/dev/devicelab/bin/tasks/flutter_gallery_win_desktop__compile.dart @schectman @flutter/desktop +/dev/devicelab/bin/tasks/flutter_gallery_win_desktop__start_up.dart @schectman @flutter/desktop +/dev/devicelab/bin/tasks/complex_layout_win_desktop__compile.dart @schectman @flutter/desktop +/dev/devicelab/bin/tasks/complex_layout_win_desktop__start_up.dart @schectman @flutter/desktop +/dev/devicelab/bin/tasks/flutter_view_win_desktop__start_up.dart @schectman @flutter/desktop +/dev/devicelab/bin/tasks/platform_view_win_desktop__start_up.dart @schectman @flutter/desktop ## Host only framework tests # Linux analyze diff --git a/dev/benchmarks/complex_layout/windows/.gitignore b/dev/benchmarks/complex_layout/windows/.gitignore new file mode 100644 index 0000000000..d492d0d98c --- /dev/null +++ b/dev/benchmarks/complex_layout/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/dev/benchmarks/complex_layout/windows/CMakeLists.txt b/dev/benchmarks/complex_layout/windows/CMakeLists.txt new file mode 100644 index 0000000000..d438ed55c4 --- /dev/null +++ b/dev/benchmarks/complex_layout/windows/CMakeLists.txt @@ -0,0 +1,105 @@ +# Copyright 2014 The Flutter Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +# Project-level configuration. +cmake_minimum_required(VERSION 3.14) +project(complex_layout LANGUAGES CXX) + +# The name of the executable created for the application. Change this to change +# the on-disk name of your application. +set(BINARY_NAME "complex_layout") + +# Explicitly opt in to modern CMake behaviors to avoid warnings with recent +# versions of CMake. +cmake_policy(SET CMP0063 NEW) + +# Define build configuration option. +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() +# Define settings for the Profile build mode. +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. +# +# Be cautious about adding new options here, as plugins use this function by +# default. In most cases, you should add new options to specific targets instead +# of modifying this function. +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(${TARGET} PRIVATE "$<$:_DEBUG>") +endfunction() + +# Flutter library and tool build rules. +set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") +add_subdirectory(${FLUTTER_MANAGED_DIR}) + +# Application build; see runner/CMakeLists.txt. +add_subdirectory("runner") + +# Generated plugin build rules, which manage building the plugins and adding +# them to the application. +include(flutter/generated_plugins.cmake) + + +# === Installation === +# Support files are copied into place next to the executable, so that it can +# run in place. This is done instead of making a separate bundle (as on Linux) +# so that building and running from within Visual Studio will work. +set(BUILD_BUNDLE_DIR "$") +# 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 "${INSTALL_BUNDLE_DATA_DIR}" + CONFIGURATIONS Profile;Release + COMPONENT Runtime) diff --git a/dev/benchmarks/complex_layout/windows/flutter/CMakeLists.txt b/dev/benchmarks/complex_layout/windows/flutter/CMakeLists.txt new file mode 100644 index 0000000000..10873dd1af --- /dev/null +++ b/dev/benchmarks/complex_layout/windows/flutter/CMakeLists.txt @@ -0,0 +1,108 @@ +# Copyright 2014 The Flutter Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +# This file controls Flutter-level build steps. It should not be edited. +cmake_minimum_required(VERSION 3.14) + +set(EPHEMERAL_DIR "${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 $ + VERBATIM +) +add_custom_target(flutter_assemble DEPENDS + "${FLUTTER_LIBRARY}" + ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} +) diff --git a/dev/benchmarks/complex_layout/windows/runner/CMakeLists.txt b/dev/benchmarks/complex_layout/windows/runner/CMakeLists.txt new file mode 100644 index 0000000000..e851e112e0 --- /dev/null +++ b/dev/benchmarks/complex_layout/windows/runner/CMakeLists.txt @@ -0,0 +1,43 @@ +# Copyright 2014 The Flutter Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +cmake_minimum_required(VERSION 3.14) +project(runner LANGUAGES CXX) + +# Define the application target. To change its name, change BINARY_NAME in the +# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer +# work. +# +# Any new source files that you add to the application should be added here. +add_executable(${BINARY_NAME} WIN32 + "flutter_window.cpp" + "main.cpp" + "utils.cpp" + "win32_window.cpp" + "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc" + "Runner.rc" + "runner.exe.manifest" +) + +# Apply the standard set of build settings. This can be removed for applications +# that need different build settings. +apply_standard_settings(${BINARY_NAME}) + +# Add preprocessor definitions for the build version. +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}") + +# Disable Windows macros that collide with C++ standard library functions. +target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX") + +# Add dependency libraries and include directories. Add any application-specific +# dependencies here. +target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app) +target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}") + +# Run the Flutter tool portions of the build. This must not be removed. +add_dependencies(${BINARY_NAME} flutter_assemble) diff --git a/dev/benchmarks/complex_layout/windows/runner/Runner.rc b/dev/benchmarks/complex_layout/windows/runner/Runner.rc new file mode 100644 index 0000000000..43a6726c33 --- /dev/null +++ b/dev/benchmarks/complex_layout/windows/runner/Runner.rc @@ -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 +// + +#if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD) +#define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD +#else +#define VERSION_AS_NUMBER 1,0,0,0 +#endif + +#if defined(FLUTTER_VERSION) +#define VERSION_AS_STRING FLUTTER_VERSION +#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", "com.yourcompany" "\0" + VALUE "FileDescription", "complex_layout" "\0" + VALUE "FileVersion", VERSION_AS_STRING "\0" + VALUE "InternalName", "complex_layout" "\0" + VALUE "LegalCopyright", "Copyright (C) 2022 com.yourcompany. All rights reserved." "\0" + VALUE "OriginalFilename", "complex_layout.exe" "\0" + VALUE "ProductName", "complex_layout" "\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 diff --git a/dev/benchmarks/complex_layout/windows/runner/flutter_window.cpp b/dev/benchmarks/complex_layout/windows/runner/flutter_window.cpp new file mode 100644 index 0000000000..9cbd3109c3 --- /dev/null +++ b/dev/benchmarks/complex_layout/windows/runner/flutter_window.cpp @@ -0,0 +1,65 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "flutter_window.h" + +#include + +#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( + 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 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); +} diff --git a/dev/benchmarks/complex_layout/windows/runner/flutter_window.h b/dev/benchmarks/complex_layout/windows/runner/flutter_window.h new file mode 100644 index 0000000000..bbc5836c01 --- /dev/null +++ b/dev/benchmarks/complex_layout/windows/runner/flutter_window.h @@ -0,0 +1,37 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef RUNNER_FLUTTER_WINDOW_H_ +#define RUNNER_FLUTTER_WINDOW_H_ + +#include +#include + +#include + +#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_controller_; +}; + +#endif // RUNNER_FLUTTER_WINDOW_H_ diff --git a/dev/benchmarks/complex_layout/windows/runner/main.cpp b/dev/benchmarks/complex_layout/windows/runner/main.cpp new file mode 100644 index 0000000000..a0da6862dc --- /dev/null +++ b/dev/benchmarks/complex_layout/windows/runner/main.cpp @@ -0,0 +1,47 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include +#include +#include + +#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 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"complex_layout", origin, size)) { + return EXIT_FAILURE; + } + window.SetQuitOnClose(true); + + ::MSG msg; + while (::GetMessage(&msg, nullptr, 0, 0)) { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + } + + ::CoUninitialize(); + return EXIT_SUCCESS; +} diff --git a/dev/benchmarks/complex_layout/windows/runner/resource.h b/dev/benchmarks/complex_layout/windows/runner/resource.h new file mode 100644 index 0000000000..c245ff19cb --- /dev/null +++ b/dev/benchmarks/complex_layout/windows/runner/resource.h @@ -0,0 +1,20 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +//{{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/dev/benchmarks/complex_layout/windows/runner/runner.exe.manifest b/dev/benchmarks/complex_layout/windows/runner/runner.exe.manifest new file mode 100644 index 0000000000..a42ea7687c --- /dev/null +++ b/dev/benchmarks/complex_layout/windows/runner/runner.exe.manifest @@ -0,0 +1,20 @@ + + + + + PerMonitorV2 + + + + + + + + + + + + + + + diff --git a/dev/benchmarks/complex_layout/windows/runner/utils.cpp b/dev/benchmarks/complex_layout/windows/runner/utils.cpp new file mode 100644 index 0000000000..7ae65329f7 --- /dev/null +++ b/dev/benchmarks/complex_layout/windows/runner/utils.cpp @@ -0,0 +1,68 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#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(); + } +} + +std::vector 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::vector 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); + std::string utf8_string; + if (target_length == 0 || target_length > utf8_string.max_size()) { + return 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; +} diff --git a/dev/benchmarks/complex_layout/windows/runner/utils.h b/dev/benchmarks/complex_layout/windows/runner/utils.h new file mode 100644 index 0000000000..54414c989b --- /dev/null +++ b/dev/benchmarks/complex_layout/windows/runner/utils.h @@ -0,0 +1,23 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef RUNNER_UTILS_H_ +#define RUNNER_UTILS_H_ + +#include +#include + +// 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, +// encoded in UTF-8. Returns an empty std::vector on failure. +std::vector GetCommandLineArguments(); + +#endif // RUNNER_UTILS_H_ diff --git a/dev/benchmarks/complex_layout/windows/runner/win32_window.cpp b/dev/benchmarks/complex_layout/windows/runner/win32_window.cpp new file mode 100644 index 0000000000..4021a2cfd4 --- /dev/null +++ b/dev/benchmarks/complex_layout/windows/runner/win32_window.cpp @@ -0,0 +1,249 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#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); + + 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(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 { + 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 = 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( + 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. +} diff --git a/dev/benchmarks/complex_layout/windows/runner/win32_window.h b/dev/benchmarks/complex_layout/windows/runner/win32_window.h new file mode 100644 index 0000000000..1dab1777c4 --- /dev/null +++ b/dev/benchmarks/complex_layout/windows/runner/win32_window.h @@ -0,0 +1,102 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef RUNNER_WIN32_WINDOW_H_ +#define RUNNER_WIN32_WINDOW_H_ + +#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); + + // 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_ diff --git a/dev/devicelab/bin/tasks/complex_layout_win_desktop__compile.dart b/dev/devicelab/bin/tasks/complex_layout_win_desktop__compile.dart new file mode 100644 index 0000000000..6288b33e67 --- /dev/null +++ b/dev/devicelab/bin/tasks/complex_layout_win_desktop__compile.dart @@ -0,0 +1,12 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +import 'package:flutter_devicelab/framework/devices.dart'; +import 'package:flutter_devicelab/framework/framework.dart'; +import 'package:flutter_devicelab/tasks/perf_tests.dart'; + +Future main() async { + deviceOperatingSystem = DeviceOperatingSystem.windows; + await task(createComplexLayoutCompileTest()); +} diff --git a/dev/devicelab/bin/tasks/complex_layout_win_desktop__start_up.dart b/dev/devicelab/bin/tasks/complex_layout_win_desktop__start_up.dart new file mode 100644 index 0000000000..9eab410c9f --- /dev/null +++ b/dev/devicelab/bin/tasks/complex_layout_win_desktop__start_up.dart @@ -0,0 +1,12 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +import 'package:flutter_devicelab/framework/devices.dart'; +import 'package:flutter_devicelab/framework/framework.dart'; +import 'package:flutter_devicelab/tasks/perf_tests.dart'; + +Future main() async { + deviceOperatingSystem = DeviceOperatingSystem.windows; + await task(createComplexLayoutStartupTest()); +} diff --git a/dev/devicelab/bin/tasks/flutter_gallery_win_desktop__compile.dart b/dev/devicelab/bin/tasks/flutter_gallery_win_desktop__compile.dart new file mode 100644 index 0000000000..9eb1c4c7bd --- /dev/null +++ b/dev/devicelab/bin/tasks/flutter_gallery_win_desktop__compile.dart @@ -0,0 +1,12 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +import 'package:flutter_devicelab/framework/devices.dart'; +import 'package:flutter_devicelab/framework/framework.dart'; +import 'package:flutter_devicelab/tasks/perf_tests.dart'; + +Future main() async { + deviceOperatingSystem = DeviceOperatingSystem.windows; + await task(createFlutterGalleryCompileTest()); +} diff --git a/dev/devicelab/bin/tasks/flutter_gallery_win_desktop__start_up.dart b/dev/devicelab/bin/tasks/flutter_gallery_win_desktop__start_up.dart new file mode 100644 index 0000000000..558ede713e --- /dev/null +++ b/dev/devicelab/bin/tasks/flutter_gallery_win_desktop__start_up.dart @@ -0,0 +1,12 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +import 'package:flutter_devicelab/framework/devices.dart'; +import 'package:flutter_devicelab/framework/framework.dart'; +import 'package:flutter_devicelab/tasks/perf_tests.dart'; + +Future main() async { + deviceOperatingSystem = DeviceOperatingSystem.windows; + await task(createFlutterGalleryStartupTest()); +} diff --git a/dev/devicelab/bin/tasks/flutter_view_win_desktop__start_up.dart b/dev/devicelab/bin/tasks/flutter_view_win_desktop__start_up.dart new file mode 100644 index 0000000000..f06c3fc5e1 --- /dev/null +++ b/dev/devicelab/bin/tasks/flutter_view_win_desktop__start_up.dart @@ -0,0 +1,12 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +import 'package:flutter_devicelab/framework/devices.dart'; +import 'package:flutter_devicelab/framework/framework.dart'; +import 'package:flutter_devicelab/tasks/perf_tests.dart'; + +Future main() async { + deviceOperatingSystem = DeviceOperatingSystem.windows; + await task(createFlutterViewStartupTest()); +} diff --git a/dev/devicelab/bin/tasks/hello_world_windows__compile.dart b/dev/devicelab/bin/tasks/hello_world_win_desktop__compile.dart similarity index 100% rename from dev/devicelab/bin/tasks/hello_world_windows__compile.dart rename to dev/devicelab/bin/tasks/hello_world_win_desktop__compile.dart diff --git a/dev/devicelab/bin/tasks/platform_view_win_desktop__start_up.dart b/dev/devicelab/bin/tasks/platform_view_win_desktop__start_up.dart new file mode 100644 index 0000000000..0aad10dcff --- /dev/null +++ b/dev/devicelab/bin/tasks/platform_view_win_desktop__start_up.dart @@ -0,0 +1,12 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +import 'package:flutter_devicelab/framework/devices.dart'; +import 'package:flutter_devicelab/framework/framework.dart'; +import 'package:flutter_devicelab/tasks/perf_tests.dart'; + +Future main() async { + deviceOperatingSystem = DeviceOperatingSystem.windows; + await task(createPlatformViewStartupTest()); +} diff --git a/dev/devicelab/lib/tasks/perf_tests.dart b/dev/devicelab/lib/tasks/perf_tests.dart index 9db5912f91..84eb00020d 100644 --- a/dev/devicelab/lib/tasks/perf_tests.dart +++ b/dev/devicelab/lib/tasks/perf_tests.dart @@ -700,7 +700,23 @@ class StartupTest { case DeviceOperatingSystem.fake: case DeviceOperatingSystem.fuchsia: case DeviceOperatingSystem.macos: + break; case DeviceOperatingSystem.windows: + await flutter('build', options: [ + 'windows', + '-v', + '--profile', + '--target=$target', + ]); + final String basename = path.basename(testDirectory); + applicationBinaryPath = path.join( + testDirectory, + 'build', + 'windows', + 'runner', + 'Profile', + '$basename.exe' + ); break; } diff --git a/examples/flutter_view/windows/.gitignore b/examples/flutter_view/windows/.gitignore new file mode 100644 index 0000000000..d492d0d98c --- /dev/null +++ b/examples/flutter_view/windows/.gitignore @@ -0,0 +1,17 @@ +flutter/ephemeral/ + +# Visual Studio user-specific files. +*.suo +*.user +*.userosscache +*.sln.docstates + +# Visual Studio build-related files. +x64/ +x86/ + +# Visual Studio cache files +# files ending in .cache can be ignored +*.[Cc]ache +# but keep track of directories ending in .cache +!*.[Cc]ache/ diff --git a/examples/flutter_view/windows/CMakeLists.txt b/examples/flutter_view/windows/CMakeLists.txt new file mode 100644 index 0000000000..b9fb5292d1 --- /dev/null +++ b/examples/flutter_view/windows/CMakeLists.txt @@ -0,0 +1,105 @@ +# Copyright 2014 The Flutter Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +# Project-level configuration. +cmake_minimum_required(VERSION 3.14) +project(flutter_view LANGUAGES CXX) + +# The name of the executable created for the application. Change this to change +# the on-disk name of your application. +set(BINARY_NAME "flutter_view") + +# Explicitly opt in to modern CMake behaviors to avoid warnings with recent +# versions of CMake. +cmake_policy(SET CMP0063 NEW) + +# Define build configuration option. +get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG) +if(IS_MULTICONFIG) + set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release" + CACHE STRING "" FORCE) +else() + if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) + set(CMAKE_BUILD_TYPE "Debug" CACHE + STRING "Flutter build mode" FORCE) + set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS + "Debug" "Profile" "Release") + endif() +endif() +# Define settings for the Profile build mode. +set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${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 "${CMAKE_CXX_FLAGS_RELEASE}") + +# Use Unicode for all projects. +add_definitions(-DUNICODE -D_UNICODE) + +# Compilation settings that should be applied to most targets. +# +# Be cautious about adding new options here, as plugins use this function by +# default. In most cases, you should add new options to specific targets instead +# of modifying this function. +function(APPLY_STANDARD_SETTINGS TARGET) + target_compile_features(${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() + +# Flutter library and tool build rules. +set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") +add_subdirectory(${FLUTTER_MANAGED_DIR}) + +# Application build; see runner/CMakeLists.txt. +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 "${INSTALL_BUNDLE_DATA_DIR}" + CONFIGURATIONS Profile;Release + COMPONENT Runtime) diff --git a/examples/flutter_view/windows/flutter/CMakeLists.txt b/examples/flutter_view/windows/flutter/CMakeLists.txt new file mode 100644 index 0000000000..10873dd1af --- /dev/null +++ b/examples/flutter_view/windows/flutter/CMakeLists.txt @@ -0,0 +1,108 @@ +# Copyright 2014 The Flutter Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +# This file controls Flutter-level build steps. It should not be edited. +cmake_minimum_required(VERSION 3.14) + +set(EPHEMERAL_DIR "${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 $ + VERBATIM +) +add_custom_target(flutter_assemble DEPENDS + "${FLUTTER_LIBRARY}" + ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} +) diff --git a/examples/flutter_view/windows/runner/CMakeLists.txt b/examples/flutter_view/windows/runner/CMakeLists.txt new file mode 100644 index 0000000000..e851e112e0 --- /dev/null +++ b/examples/flutter_view/windows/runner/CMakeLists.txt @@ -0,0 +1,43 @@ +# Copyright 2014 The Flutter Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +cmake_minimum_required(VERSION 3.14) +project(runner LANGUAGES CXX) + +# Define the application target. To change its name, change BINARY_NAME in the +# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer +# work. +# +# Any new source files that you add to the application should be added here. +add_executable(${BINARY_NAME} WIN32 + "flutter_window.cpp" + "main.cpp" + "utils.cpp" + "win32_window.cpp" + "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc" + "Runner.rc" + "runner.exe.manifest" +) + +# Apply the standard set of build settings. This can be removed for applications +# that need different build settings. +apply_standard_settings(${BINARY_NAME}) + +# Add preprocessor definitions for the build version. +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}") + +# Disable Windows macros that collide with C++ standard library functions. +target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX") + +# Add dependency libraries and include directories. Add any application-specific +# dependencies here. +target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app) +target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}") + +# Run the Flutter tool portions of the build. This must not be removed. +add_dependencies(${BINARY_NAME} flutter_assemble) diff --git a/examples/flutter_view/windows/runner/Runner.rc b/examples/flutter_view/windows/runner/Runner.rc new file mode 100644 index 0000000000..1683efd58f --- /dev/null +++ b/examples/flutter_view/windows/runner/Runner.rc @@ -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 +// + +#if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD) +#define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD +#else +#define VERSION_AS_NUMBER 1,0,0,0 +#endif + +#if defined(FLUTTER_VERSION) +#define VERSION_AS_STRING FLUTTER_VERSION +#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", "io.flutter.examples" "\0" + VALUE "FileDescription", "flutter_view" "\0" + VALUE "FileVersion", VERSION_AS_STRING "\0" + VALUE "InternalName", "flutter_view" "\0" + VALUE "LegalCopyright", "Copyright (C) 2022 io.flutter.examples. All rights reserved." "\0" + VALUE "OriginalFilename", "flutter_view.exe" "\0" + VALUE "ProductName", "flutter_view" "\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 diff --git a/examples/flutter_view/windows/runner/flutter_window.cpp b/examples/flutter_view/windows/runner/flutter_window.cpp new file mode 100644 index 0000000000..9cbd3109c3 --- /dev/null +++ b/examples/flutter_view/windows/runner/flutter_window.cpp @@ -0,0 +1,65 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "flutter_window.h" + +#include + +#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( + 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 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); +} diff --git a/examples/flutter_view/windows/runner/flutter_window.h b/examples/flutter_view/windows/runner/flutter_window.h new file mode 100644 index 0000000000..bbc5836c01 --- /dev/null +++ b/examples/flutter_view/windows/runner/flutter_window.h @@ -0,0 +1,37 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef RUNNER_FLUTTER_WINDOW_H_ +#define RUNNER_FLUTTER_WINDOW_H_ + +#include +#include + +#include + +#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_controller_; +}; + +#endif // RUNNER_FLUTTER_WINDOW_H_ diff --git a/examples/flutter_view/windows/runner/main.cpp b/examples/flutter_view/windows/runner/main.cpp new file mode 100644 index 0000000000..855a36a55e --- /dev/null +++ b/examples/flutter_view/windows/runner/main.cpp @@ -0,0 +1,47 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include +#include +#include + +#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 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"flutter_view", origin, size)) { + return EXIT_FAILURE; + } + window.SetQuitOnClose(true); + + ::MSG msg; + while (::GetMessage(&msg, nullptr, 0, 0)) { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + } + + ::CoUninitialize(); + return EXIT_SUCCESS; +} diff --git a/examples/flutter_view/windows/runner/resource.h b/examples/flutter_view/windows/runner/resource.h new file mode 100644 index 0000000000..c245ff19cb --- /dev/null +++ b/examples/flutter_view/windows/runner/resource.h @@ -0,0 +1,20 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +//{{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/examples/flutter_view/windows/runner/runner.exe.manifest b/examples/flutter_view/windows/runner/runner.exe.manifest new file mode 100644 index 0000000000..a42ea7687c --- /dev/null +++ b/examples/flutter_view/windows/runner/runner.exe.manifest @@ -0,0 +1,20 @@ + + + + + PerMonitorV2 + + + + + + + + + + + + + + + diff --git a/examples/flutter_view/windows/runner/utils.cpp b/examples/flutter_view/windows/runner/utils.cpp new file mode 100644 index 0000000000..7ae65329f7 --- /dev/null +++ b/examples/flutter_view/windows/runner/utils.cpp @@ -0,0 +1,68 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#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(); + } +} + +std::vector 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::vector 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); + std::string utf8_string; + if (target_length == 0 || target_length > utf8_string.max_size()) { + return 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; +} diff --git a/examples/flutter_view/windows/runner/utils.h b/examples/flutter_view/windows/runner/utils.h new file mode 100644 index 0000000000..54414c989b --- /dev/null +++ b/examples/flutter_view/windows/runner/utils.h @@ -0,0 +1,23 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef RUNNER_UTILS_H_ +#define RUNNER_UTILS_H_ + +#include +#include + +// 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, +// encoded in UTF-8. Returns an empty std::vector on failure. +std::vector GetCommandLineArguments(); + +#endif // RUNNER_UTILS_H_ diff --git a/examples/flutter_view/windows/runner/win32_window.cpp b/examples/flutter_view/windows/runner/win32_window.cpp new file mode 100644 index 0000000000..4021a2cfd4 --- /dev/null +++ b/examples/flutter_view/windows/runner/win32_window.cpp @@ -0,0 +1,249 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#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); + + 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(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 { + 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 = 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( + 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. +} diff --git a/examples/flutter_view/windows/runner/win32_window.h b/examples/flutter_view/windows/runner/win32_window.h new file mode 100644 index 0000000000..1dab1777c4 --- /dev/null +++ b/examples/flutter_view/windows/runner/win32_window.h @@ -0,0 +1,102 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef RUNNER_WIN32_WINDOW_H_ +#define RUNNER_WIN32_WINDOW_H_ + +#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); + + // 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_ diff --git a/examples/platform_view/windows/.gitignore b/examples/platform_view/windows/.gitignore new file mode 100644 index 0000000000..d492d0d98c --- /dev/null +++ b/examples/platform_view/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/examples/platform_view/windows/CMakeLists.txt b/examples/platform_view/windows/CMakeLists.txt new file mode 100644 index 0000000000..4aded10d73 --- /dev/null +++ b/examples/platform_view/windows/CMakeLists.txt @@ -0,0 +1,105 @@ +# Copyright 2014 The Flutter Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +# Project-level configuration. +cmake_minimum_required(VERSION 3.14) +project(platform_view LANGUAGES CXX) + +# The name of the executable created for the application. Change this to change +# the on-disk name of your application. +set(BINARY_NAME "platform_view") + +# Explicitly opt in to modern CMake behaviors to avoid warnings with recent +# versions of CMake. +cmake_policy(SET CMP0063 NEW) + +# Define build configuration option. +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() +# Define settings for the Profile build mode. +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 "${CMAKE_CXX_FLAGS_RELEASE}") + +# Use Unicode for all projects. +add_definitions(-DUNICODE -D_UNICODE) + +# Compilation settings that should be applied to most targets. +# +# Be cautious about adding new options here, as plugins use this function by +# default. In most cases, you should add new options to specific targets instead +# of modifying this function. +function(APPLY_STANDARD_SETTINGS TARGET) + target_compile_features(${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() + +# Flutter library and tool build rules. +set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") +add_subdirectory(${FLUTTER_MANAGED_DIR}) + +# Application build; see runner/CMakeLists.txt. +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 "${INSTALL_BUNDLE_DATA_DIR}" + CONFIGURATIONS Profile;Release + COMPONENT Runtime) diff --git a/examples/platform_view/windows/flutter/CMakeLists.txt b/examples/platform_view/windows/flutter/CMakeLists.txt new file mode 100644 index 0000000000..10873dd1af --- /dev/null +++ b/examples/platform_view/windows/flutter/CMakeLists.txt @@ -0,0 +1,108 @@ +# Copyright 2014 The Flutter Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +# This file controls Flutter-level build steps. It should not be edited. +cmake_minimum_required(VERSION 3.14) + +set(EPHEMERAL_DIR "${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 $ + VERBATIM +) +add_custom_target(flutter_assemble DEPENDS + "${FLUTTER_LIBRARY}" + ${FLUTTER_LIBRARY_HEADERS} + ${CPP_WRAPPER_SOURCES_CORE} + ${CPP_WRAPPER_SOURCES_PLUGIN} + ${CPP_WRAPPER_SOURCES_APP} +) diff --git a/examples/platform_view/windows/runner/CMakeLists.txt b/examples/platform_view/windows/runner/CMakeLists.txt new file mode 100644 index 0000000000..e851e112e0 --- /dev/null +++ b/examples/platform_view/windows/runner/CMakeLists.txt @@ -0,0 +1,43 @@ +# Copyright 2014 The Flutter Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +cmake_minimum_required(VERSION 3.14) +project(runner LANGUAGES CXX) + +# Define the application target. To change its name, change BINARY_NAME in the +# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer +# work. +# +# Any new source files that you add to the application should be added here. +add_executable(${BINARY_NAME} WIN32 + "flutter_window.cpp" + "main.cpp" + "utils.cpp" + "win32_window.cpp" + "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc" + "Runner.rc" + "runner.exe.manifest" +) + +# Apply the standard set of build settings. This can be removed for applications +# that need different build settings. +apply_standard_settings(${BINARY_NAME}) + +# Add preprocessor definitions for the build version. +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}") +target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}") + +# Disable Windows macros that collide with C++ standard library functions. +target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX") + +# Add dependency libraries and include directories. Add any application-specific +# dependencies here. +target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app) +target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}") + +# Run the Flutter tool portions of the build. This must not be removed. +add_dependencies(${BINARY_NAME} flutter_assemble) diff --git a/examples/platform_view/windows/runner/Runner.rc b/examples/platform_view/windows/runner/Runner.rc new file mode 100644 index 0000000000..ab09dd472f --- /dev/null +++ b/examples/platform_view/windows/runner/Runner.rc @@ -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 +// + +#if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD) +#define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD +#else +#define VERSION_AS_NUMBER 1,0,0,0 +#endif + +#if defined(FLUTTER_VERSION) +#define VERSION_AS_STRING FLUTTER_VERSION +#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", "io.flutter.examples" "\0" + VALUE "FileDescription", "platform_view" "\0" + VALUE "FileVersion", VERSION_AS_STRING "\0" + VALUE "InternalName", "platform_view" "\0" + VALUE "LegalCopyright", "Copyright (C) 2022 io.flutter.examples. All rights reserved." "\0" + VALUE "OriginalFilename", "platform_view.exe" "\0" + VALUE "ProductName", "platform_view" "\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 diff --git a/examples/platform_view/windows/runner/flutter_window.cpp b/examples/platform_view/windows/runner/flutter_window.cpp new file mode 100644 index 0000000000..9cbd3109c3 --- /dev/null +++ b/examples/platform_view/windows/runner/flutter_window.cpp @@ -0,0 +1,65 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "flutter_window.h" + +#include + +#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( + 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 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); +} diff --git a/examples/platform_view/windows/runner/flutter_window.h b/examples/platform_view/windows/runner/flutter_window.h new file mode 100644 index 0000000000..bbc5836c01 --- /dev/null +++ b/examples/platform_view/windows/runner/flutter_window.h @@ -0,0 +1,37 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef RUNNER_FLUTTER_WINDOW_H_ +#define RUNNER_FLUTTER_WINDOW_H_ + +#include +#include + +#include + +#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_controller_; +}; + +#endif // RUNNER_FLUTTER_WINDOW_H_ diff --git a/examples/platform_view/windows/runner/main.cpp b/examples/platform_view/windows/runner/main.cpp new file mode 100644 index 0000000000..573327f640 --- /dev/null +++ b/examples/platform_view/windows/runner/main.cpp @@ -0,0 +1,47 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include +#include +#include + +#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 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"platform_view", origin, size)) { + return EXIT_FAILURE; + } + window.SetQuitOnClose(true); + + ::MSG msg; + while (::GetMessage(&msg, nullptr, 0, 0)) { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + } + + ::CoUninitialize(); + return EXIT_SUCCESS; +} diff --git a/examples/platform_view/windows/runner/resource.h b/examples/platform_view/windows/runner/resource.h new file mode 100644 index 0000000000..c245ff19cb --- /dev/null +++ b/examples/platform_view/windows/runner/resource.h @@ -0,0 +1,20 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +//{{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/examples/platform_view/windows/runner/runner.exe.manifest b/examples/platform_view/windows/runner/runner.exe.manifest new file mode 100644 index 0000000000..a42ea7687c --- /dev/null +++ b/examples/platform_view/windows/runner/runner.exe.manifest @@ -0,0 +1,20 @@ + + + + + PerMonitorV2 + + + + + + + + + + + + + + + diff --git a/examples/platform_view/windows/runner/utils.cpp b/examples/platform_view/windows/runner/utils.cpp new file mode 100644 index 0000000000..7ae65329f7 --- /dev/null +++ b/examples/platform_view/windows/runner/utils.cpp @@ -0,0 +1,68 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#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(); + } +} + +std::vector 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::vector 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); + std::string utf8_string; + if (target_length == 0 || target_length > utf8_string.max_size()) { + return 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; +} diff --git a/examples/platform_view/windows/runner/utils.h b/examples/platform_view/windows/runner/utils.h new file mode 100644 index 0000000000..54414c989b --- /dev/null +++ b/examples/platform_view/windows/runner/utils.h @@ -0,0 +1,23 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef RUNNER_UTILS_H_ +#define RUNNER_UTILS_H_ + +#include +#include + +// 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, +// encoded in UTF-8. Returns an empty std::vector on failure. +std::vector GetCommandLineArguments(); + +#endif // RUNNER_UTILS_H_ diff --git a/examples/platform_view/windows/runner/win32_window.cpp b/examples/platform_view/windows/runner/win32_window.cpp new file mode 100644 index 0000000000..4021a2cfd4 --- /dev/null +++ b/examples/platform_view/windows/runner/win32_window.cpp @@ -0,0 +1,249 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#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); + + 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(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 { + 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 = 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( + 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. +} diff --git a/examples/platform_view/windows/runner/win32_window.h b/examples/platform_view/windows/runner/win32_window.h new file mode 100644 index 0000000000..1dab1777c4 --- /dev/null +++ b/examples/platform_view/windows/runner/win32_window.h @@ -0,0 +1,102 @@ +// Copyright 2014 The Flutter Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef RUNNER_WIN32_WINDOW_H_ +#define RUNNER_WIN32_WINDOW_H_ + +#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); + + // 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_