windows build and run support
continuous-integration/drone/pr Build is passing
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continuous-integration/drone/pr Build is passing
Details
This commit is contained in:
parent
3a754bbe0a
commit
2a14e43801
12
README.md
12
README.md
|
@ -6,6 +6,16 @@ A new Flutter application.
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click the play button in android studio
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### Linux
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- libCwtch-go: the result of `make linux`, `libCwtch.so` should be in the link path
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- `tor` should be in the PATH
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### Windows
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- libCwtch-go: the result of `make windows`, `libCwtch.dll` should be placed in the source root
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- tor is bundled in `windors/Tor`
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## l10n
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### Adding a new string
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@ -43,4 +53,4 @@ Text(AppLocalizations.of(context).stringIdentifer),
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API tokens are only available to Open Privacy staff at this time, who will perform the translation updates for you as part of merging your PRs.
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With `generate: true` in `pubspec.yaml`, the Flutter build process checks `l10n.yaml` for input/output filenames.
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With `generate: true` in `pubspec.yaml`, the Flutter build process checks `l10n.yaml` for input/output filenames.
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@ -2,6 +2,7 @@ import 'dart:convert';
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import 'dart:ffi';
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import 'dart:io';
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import 'dart:isolate';
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import 'dart:io' show Platform;
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import 'package:flutter_app/cwtch/cwtchNotifier.dart';
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import 'package:path/path.dart' as path;
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@ -54,18 +55,28 @@ class CwtchFfi implements Cwtch {
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Isolate cwtchIsolate;
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CwtchFfi(CwtchNotifier _cwtchNotifier) {
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library = DynamicLibrary.open("libCwtch.so");
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if (Platform.isWindows) {
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library = DynamicLibrary.open("libCwtch.dll");
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} else if (Platform.isLinux) {
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library = DynamicLibrary.open("libCwtch.so");
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} else {
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print("OS ${Platform.operatingSystem} not supported by cwtch/ffi");
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// emergency, ideally the app stays on splash and just posts the error till user closes
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exit(0);
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}
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cwtchNotifier = _cwtchNotifier;
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}
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// ignore: non_constant_identifier_names
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Future<void> Start() async {
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String home = "";
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String bundledTor = "";
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Map<String, String> envVars = Platform.environment;
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if (Platform.isLinux) {
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home = envVars['HOME'];
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} else if (Platform.isWindows) {
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home = envVars['UserProfile'];
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bundledTor = "windows\\Tor\\tor.exe";
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}
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var cwtchDir = path.join(home, ".cwtch/dev/");
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print("cwtchDir $cwtchDir");
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@ -75,7 +86,7 @@ class CwtchFfi implements Cwtch {
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final StartCwtch = startCwtchC.asFunction<StartCwtchFn>();
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final ut8CwtchDir = cwtchDir.toNativeUtf8();
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StartCwtch(ut8CwtchDir, ut8CwtchDir.length, "".toNativeUtf8(), 0);
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StartCwtch(ut8CwtchDir, ut8CwtchDir.length, bundledTor.toNativeUtf8(), bundledTor.length);
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// Spawn an isolate to listen to events from libcwtch-go and then dispatch them when received on main thread to cwtchNotifier
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var _receivePort = ReceivePort();
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@ -104,7 +115,13 @@ class CwtchFfi implements Cwtch {
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// Steam of appbus events. Call blocks in libcwtch-go GetAppbusEvent. Static so the isolate can use it
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static Stream<String> pollAppbusEvents() async* {
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var library = DynamicLibrary.open("libCwtch.so");
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DynamicLibrary library;
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if (Platform.isWindows) {
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library = DynamicLibrary.open("libCwtch.dll");
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} else if (Platform.isLinux) {
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library = DynamicLibrary.open("libCwtch.so");
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}
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var getAppbusEventC = library.lookup<NativeFunction<acn_events_function>>("c_GetAppBusEvent");
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// ignore: non_constant_identifier_names
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final GetAppbusEvent = getAppbusEventC.asFunction<ACNEventsFn>();
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@ -0,0 +1,17 @@
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flutter/ephemeral/
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# Visual Studio user-specific files.
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*.suo
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*.user
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*.userosscache
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*.sln.docstates
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# Visual Studio build-related files.
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x64/
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x86/
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# Visual Studio cache files
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# files ending in .cache can be ignored
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*.[Cc]ache
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# but keep track of directories ending in .cache
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!*.[Cc]ache/
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@ -0,0 +1,95 @@
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cmake_minimum_required(VERSION 3.15)
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project(flutter_app LANGUAGES CXX)
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set(BINARY_NAME "flutter_app")
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cmake_policy(SET CMP0063 NEW)
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set(CMAKE_INSTALL_RPATH "$ORIGIN/lib")
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# Configure build options.
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get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
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if(IS_MULTICONFIG)
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set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release"
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CACHE STRING "" FORCE)
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else()
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if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
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set(CMAKE_BUILD_TYPE "Debug" CACHE
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STRING "Flutter build mode" FORCE)
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set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
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"Debug" "Profile" "Release")
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endif()
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endif()
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set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}")
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set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}")
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set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE}")
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set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE}")
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# Use Unicode for all projects.
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add_definitions(-DUNICODE -D_UNICODE)
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# Compilation settings that should be applied to most targets.
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function(APPLY_STANDARD_SETTINGS TARGET)
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target_compile_features(${TARGET} PUBLIC cxx_std_17)
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target_compile_options(${TARGET} PRIVATE /W4 /WX /wd"4100")
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target_compile_options(${TARGET} PRIVATE /EHsc)
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target_compile_definitions(${TARGET} PRIVATE "_HAS_EXCEPTIONS=0")
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target_compile_definitions(${TARGET} PRIVATE "$<$<CONFIG:Debug>:_DEBUG>")
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endfunction()
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set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
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# Flutter library and tool build rules.
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add_subdirectory(${FLUTTER_MANAGED_DIR})
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# Application build
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add_subdirectory("runner")
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# Generated plugin build rules, which manage building the plugins and adding
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# them to the application.
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include(flutter/generated_plugins.cmake)
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# === Installation ===
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# Support files are copied into place next to the executable, so that it can
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# run in place. This is done instead of making a separate bundle (as on Linux)
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# so that building and running from within Visual Studio will work.
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set(BUILD_BUNDLE_DIR "$<TARGET_FILE_DIR:${BINARY_NAME}>")
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# Make the "install" step default, as it's required to run.
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set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1)
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if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
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set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
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endif()
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set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
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set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}")
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install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
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COMPONENT Runtime)
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install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
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COMPONENT Runtime)
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install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
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COMPONENT Runtime)
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if(PLUGIN_BUNDLED_LIBRARIES)
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install(FILES "${PLUGIN_BUNDLED_LIBRARIES}"
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DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
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COMPONENT Runtime)
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endif()
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# Fully re-copy the assets directory on each build to avoid having stale files
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# from a previous install.
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set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
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install(CODE "
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file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
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" COMPONENT Runtime)
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install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
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DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
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# Install the AOT library on non-Debug builds only.
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install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
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CONFIGURATIONS Profile;Release
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COMPONENT Runtime)
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Load Diff
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Load Diff
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@ -0,0 +1,103 @@
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cmake_minimum_required(VERSION 3.15)
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set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
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# Configuration provided via flutter tool.
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include(${EPHEMERAL_DIR}/generated_config.cmake)
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# TODO: Move the rest of this into files in ephemeral. See
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# https://github.com/flutter/flutter/issues/57146.
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set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper")
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# === Flutter Library ===
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set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll")
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# Published to parent scope for install step.
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||||
set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
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set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
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||||
set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
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set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE)
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||||
|
||||
list(APPEND FLUTTER_LIBRARY_HEADERS
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||||
"flutter_export.h"
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||||
"flutter_windows.h"
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||||
"flutter_messenger.h"
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||||
"flutter_plugin_registrar.h"
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||||
"flutter_texture_registrar.h"
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||||
)
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||||
list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/")
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||||
add_library(flutter INTERFACE)
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||||
target_include_directories(flutter INTERFACE
|
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"${EPHEMERAL_DIR}"
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||||
)
|
||||
target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib")
|
||||
add_dependencies(flutter flutter_assemble)
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||||
|
||||
# === Wrapper ===
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||||
list(APPEND CPP_WRAPPER_SOURCES_CORE
|
||||
"core_implementations.cc"
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||||
"standard_codec.cc"
|
||||
)
|
||||
list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/")
|
||||
list(APPEND CPP_WRAPPER_SOURCES_PLUGIN
|
||||
"plugin_registrar.cc"
|
||||
)
|
||||
list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/")
|
||||
list(APPEND CPP_WRAPPER_SOURCES_APP
|
||||
"flutter_engine.cc"
|
||||
"flutter_view_controller.cc"
|
||||
)
|
||||
list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/")
|
||||
|
||||
# Wrapper sources needed for a plugin.
|
||||
add_library(flutter_wrapper_plugin STATIC
|
||||
${CPP_WRAPPER_SOURCES_CORE}
|
||||
${CPP_WRAPPER_SOURCES_PLUGIN}
|
||||
)
|
||||
apply_standard_settings(flutter_wrapper_plugin)
|
||||
set_target_properties(flutter_wrapper_plugin PROPERTIES
|
||||
POSITION_INDEPENDENT_CODE ON)
|
||||
set_target_properties(flutter_wrapper_plugin PROPERTIES
|
||||
CXX_VISIBILITY_PRESET hidden)
|
||||
target_link_libraries(flutter_wrapper_plugin PUBLIC flutter)
|
||||
target_include_directories(flutter_wrapper_plugin PUBLIC
|
||||
"${WRAPPER_ROOT}/include"
|
||||
)
|
||||
add_dependencies(flutter_wrapper_plugin flutter_assemble)
|
||||
|
||||
# Wrapper sources needed for the runner.
|
||||
add_library(flutter_wrapper_app STATIC
|
||||
${CPP_WRAPPER_SOURCES_CORE}
|
||||
${CPP_WRAPPER_SOURCES_APP}
|
||||
)
|
||||
apply_standard_settings(flutter_wrapper_app)
|
||||
target_link_libraries(flutter_wrapper_app PUBLIC flutter)
|
||||
target_include_directories(flutter_wrapper_app PUBLIC
|
||||
"${WRAPPER_ROOT}/include"
|
||||
)
|
||||
add_dependencies(flutter_wrapper_app flutter_assemble)
|
||||
|
||||
# === Flutter tool backend ===
|
||||
# _phony_ is a non-existent file to force this command to run every time,
|
||||
# since currently there's no way to get a full input/output list from the
|
||||
# flutter tool.
|
||||
set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_")
|
||||
set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE)
|
||||
add_custom_command(
|
||||
OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
|
||||
${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN}
|
||||
${CPP_WRAPPER_SOURCES_APP}
|
||||
${PHONY_OUTPUT}
|
||||
COMMAND ${CMAKE_COMMAND} -E env
|
||||
${FLUTTER_TOOL_ENVIRONMENT}
|
||||
"${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat"
|
||||
windows-x64 $<CONFIG>
|
||||
VERBATIM
|
||||
)
|
||||
add_custom_target(flutter_assemble DEPENDS
|
||||
"${FLUTTER_LIBRARY}"
|
||||
${FLUTTER_LIBRARY_HEADERS}
|
||||
${CPP_WRAPPER_SOURCES_CORE}
|
||||
${CPP_WRAPPER_SOURCES_PLUGIN}
|
||||
${CPP_WRAPPER_SOURCES_APP}
|
||||
)
|
|
@ -0,0 +1,11 @@
|
|||
//
|
||||
// Generated file. Do not edit.
|
||||
//
|
||||
|
||||
// clang-format off
|
||||
|
||||
#include "generated_plugin_registrant.h"
|
||||
|
||||
|
||||
void RegisterPlugins(flutter::PluginRegistry* registry) {
|
||||
}
|
|
@ -0,0 +1,15 @@
|
|||
//
|
||||
// Generated file. Do not edit.
|
||||
//
|
||||
|
||||
// clang-format off
|
||||
|
||||
#ifndef GENERATED_PLUGIN_REGISTRANT_
|
||||
#define GENERATED_PLUGIN_REGISTRANT_
|
||||
|
||||
#include <flutter/plugin_registry.h>
|
||||
|
||||
// Registers Flutter plugins.
|
||||
void RegisterPlugins(flutter::PluginRegistry* registry);
|
||||
|
||||
#endif // GENERATED_PLUGIN_REGISTRANT_
|
|
@ -0,0 +1,15 @@
|
|||
#
|
||||
# Generated file, do not edit.
|
||||
#
|
||||
|
||||
list(APPEND FLUTTER_PLUGIN_LIST
|
||||
)
|
||||
|
||||
set(PLUGIN_BUNDLED_LIBRARIES)
|
||||
|
||||
foreach(plugin ${FLUTTER_PLUGIN_LIST})
|
||||
add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin})
|
||||
target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
|
||||
list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
|
||||
list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
|
||||
endforeach(plugin)
|
|
@ -0,0 +1,18 @@
|
|||
cmake_minimum_required(VERSION 3.15)
|
||||
project(runner LANGUAGES CXX)
|
||||
|
||||
add_executable(${BINARY_NAME} WIN32
|
||||
"flutter_window.cpp"
|
||||
"main.cpp"
|
||||
"run_loop.cpp"
|
||||
"utils.cpp"
|
||||
"win32_window.cpp"
|
||||
"${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
|
||||
"Runner.rc"
|
||||
"runner.exe.manifest"
|
||||
)
|
||||
apply_standard_settings(${BINARY_NAME})
|
||||
target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX")
|
||||
target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app)
|
||||
target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}")
|
||||
add_dependencies(${BINARY_NAME} flutter_assemble)
|
|
@ -0,0 +1,121 @@
|
|||
// Microsoft Visual C++ generated resource script.
|
||||
//
|
||||
#pragma code_page(65001)
|
||||
#include "resource.h"
|
||||
|
||||
#define APSTUDIO_READONLY_SYMBOLS
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Generated from the TEXTINCLUDE 2 resource.
|
||||
//
|
||||
#include "winres.h"
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
#undef APSTUDIO_READONLY_SYMBOLS
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
// English (United States) resources
|
||||
|
||||
#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
|
||||
LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
|
||||
|
||||
#ifdef APSTUDIO_INVOKED
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// TEXTINCLUDE
|
||||
//
|
||||
|
||||
1 TEXTINCLUDE
|
||||
BEGIN
|
||||
"resource.h\0"
|
||||
END
|
||||
|
||||
2 TEXTINCLUDE
|
||||
BEGIN
|
||||
"#include ""winres.h""\r\n"
|
||||
"\0"
|
||||
END
|
||||
|
||||
3 TEXTINCLUDE
|
||||
BEGIN
|
||||
"\r\n"
|
||||
"\0"
|
||||
END
|
||||
|
||||
#endif // APSTUDIO_INVOKED
|
||||
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Icon
|
||||
//
|
||||
|
||||
// Icon with lowest ID value placed first to ensure application icon
|
||||
// remains consistent on all systems.
|
||||
IDI_APP_ICON ICON "resources\\app_icon.ico"
|
||||
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Version
|
||||
//
|
||||
|
||||
#ifdef FLUTTER_BUILD_NUMBER
|
||||
#define VERSION_AS_NUMBER FLUTTER_BUILD_NUMBER
|
||||
#else
|
||||
#define VERSION_AS_NUMBER 1,0,0
|
||||
#endif
|
||||
|
||||
#ifdef FLUTTER_BUILD_NAME
|
||||
#define VERSION_AS_STRING #FLUTTER_BUILD_NAME
|
||||
#else
|
||||
#define VERSION_AS_STRING "1.0.0"
|
||||
#endif
|
||||
|
||||
VS_VERSION_INFO VERSIONINFO
|
||||
FILEVERSION VERSION_AS_NUMBER
|
||||
PRODUCTVERSION VERSION_AS_NUMBER
|
||||
FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
|
||||
#ifdef _DEBUG
|
||||
FILEFLAGS VS_FF_DEBUG
|
||||
#else
|
||||
FILEFLAGS 0x0L
|
||||
#endif
|
||||
FILEOS VOS__WINDOWS32
|
||||
FILETYPE VFT_APP
|
||||
FILESUBTYPE 0x0L
|
||||
BEGIN
|
||||
BLOCK "StringFileInfo"
|
||||
BEGIN
|
||||
BLOCK "040904e4"
|
||||
BEGIN
|
||||
VALUE "CompanyName", "com.example" "\0"
|
||||
VALUE "FileDescription", "A new Flutter project." "\0"
|
||||
VALUE "FileVersion", VERSION_AS_STRING "\0"
|
||||
VALUE "InternalName", "flutter_app" "\0"
|
||||
VALUE "LegalCopyright", "Copyright (C) 2021 com.example. All rights reserved." "\0"
|
||||
VALUE "OriginalFilename", "flutter_app.exe" "\0"
|
||||
VALUE "ProductName", "flutter_app" "\0"
|
||||
VALUE "ProductVersion", VERSION_AS_STRING "\0"
|
||||
END
|
||||
END
|
||||
BLOCK "VarFileInfo"
|
||||
BEGIN
|
||||
VALUE "Translation", 0x409, 1252
|
||||
END
|
||||
END
|
||||
|
||||
#endif // English (United States) resources
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
|
||||
|
||||
#ifndef APSTUDIO_INVOKED
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Generated from the TEXTINCLUDE 3 resource.
|
||||
//
|
||||
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
#endif // not APSTUDIO_INVOKED
|
|
@ -0,0 +1,64 @@
|
|||
#include "flutter_window.h"
|
||||
|
||||
#include <optional>
|
||||
|
||||
#include "flutter/generated_plugin_registrant.h"
|
||||
|
||||
FlutterWindow::FlutterWindow(RunLoop* run_loop,
|
||||
const flutter::DartProject& project)
|
||||
: run_loop_(run_loop), project_(project) {}
|
||||
|
||||
FlutterWindow::~FlutterWindow() {}
|
||||
|
||||
bool FlutterWindow::OnCreate() {
|
||||
if (!Win32Window::OnCreate()) {
|
||||
return false;
|
||||
}
|
||||
|
||||
RECT frame = GetClientArea();
|
||||
|
||||
// The size here must match the window dimensions to avoid unnecessary surface
|
||||
// creation / destruction in the startup path.
|
||||
flutter_controller_ = std::make_unique<flutter::FlutterViewController>(
|
||||
frame.right - frame.left, frame.bottom - frame.top, project_);
|
||||
// Ensure that basic setup of the controller was successful.
|
||||
if (!flutter_controller_->engine() || !flutter_controller_->view()) {
|
||||
return false;
|
||||
}
|
||||
RegisterPlugins(flutter_controller_->engine());
|
||||
run_loop_->RegisterFlutterInstance(flutter_controller_->engine());
|
||||
SetChildContent(flutter_controller_->view()->GetNativeWindow());
|
||||
return true;
|
||||
}
|
||||
|
||||
void FlutterWindow::OnDestroy() {
|
||||
if (flutter_controller_) {
|
||||
run_loop_->UnregisterFlutterInstance(flutter_controller_->engine());
|
||||
flutter_controller_ = nullptr;
|
||||
}
|
||||
|
||||
Win32Window::OnDestroy();
|
||||
}
|
||||
|
||||
LRESULT
|
||||
FlutterWindow::MessageHandler(HWND hwnd, UINT const message,
|
||||
WPARAM const wparam,
|
||||
LPARAM const lparam) noexcept {
|
||||
// Give Flutter, including plugins, an opportunity to handle window messages.
|
||||
if (flutter_controller_) {
|
||||
std::optional<LRESULT> result =
|
||||
flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam,
|
||||
lparam);
|
||||
if (result) {
|
||||
return *result;
|
||||
}
|
||||
}
|
||||
|
||||
switch (message) {
|
||||
case WM_FONTCHANGE:
|
||||
flutter_controller_->engine()->ReloadSystemFonts();
|
||||
break;
|
||||
}
|
||||
|
||||
return Win32Window::MessageHandler(hwnd, message, wparam, lparam);
|
||||
}
|
|
@ -0,0 +1,39 @@
|
|||
#ifndef RUNNER_FLUTTER_WINDOW_H_
|
||||
#define RUNNER_FLUTTER_WINDOW_H_
|
||||
|
||||
#include <flutter/dart_project.h>
|
||||
#include <flutter/flutter_view_controller.h>
|
||||
|
||||
#include <memory>
|
||||
|
||||
#include "run_loop.h"
|
||||
#include "win32_window.h"
|
||||
|
||||
// A window that does nothing but host a Flutter view.
|
||||
class FlutterWindow : public Win32Window {
|
||||
public:
|
||||
// Creates a new FlutterWindow driven by the |run_loop|, hosting a
|
||||
// Flutter view running |project|.
|
||||
explicit FlutterWindow(RunLoop* run_loop,
|
||||
const flutter::DartProject& project);
|
||||
virtual ~FlutterWindow();
|
||||
|
||||
protected:
|
||||
// Win32Window:
|
||||
bool OnCreate() override;
|
||||
void OnDestroy() override;
|
||||
LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam,
|
||||
LPARAM const lparam) noexcept override;
|
||||
|
||||
private:
|
||||
// The run loop driving events for this window.
|
||||
RunLoop* run_loop_;
|
||||
|
||||
// The project to run.
|
||||
flutter::DartProject project_;
|
||||
|
||||
// The Flutter instance hosted by this window.
|
||||
std::unique_ptr<flutter::FlutterViewController> flutter_controller_;
|
||||
};
|
||||
|
||||
#endif // RUNNER_FLUTTER_WINDOW_H_
|
|
@ -0,0 +1,42 @@
|
|||
#include <flutter/dart_project.h>
|
||||
#include <flutter/flutter_view_controller.h>
|
||||
#include <windows.h>
|
||||
|
||||
#include "flutter_window.h"
|
||||
#include "run_loop.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);
|
||||
|
||||
RunLoop run_loop;
|
||||
|
||||
flutter::DartProject project(L"data");
|
||||
|
||||
std::vector<std::string> command_line_arguments =
|
||||
GetCommandLineArguments();
|
||||
|
||||
project.set_dart_entrypoint_arguments(std::move(command_line_arguments));
|
||||
|
||||
FlutterWindow window(&run_loop, project);
|
||||
Win32Window::Point origin(10, 10);
|
||||
Win32Window::Size size(1280, 720);
|
||||
if (!window.CreateAndShow(L"flutter_app", origin, size)) {
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
window.SetQuitOnClose(true);
|
||||
|
||||
run_loop.Run();
|
||||
|
||||
::CoUninitialize();
|
||||
return EXIT_SUCCESS;
|
||||
}
|
|
@ -0,0 +1,16 @@
|
|||
//{{NO_DEPENDENCIES}}
|
||||
// Microsoft Visual C++ generated include file.
|
||||
// Used by Runner.rc
|
||||
//
|
||||
#define IDI_APP_ICON 101
|
||||
|
||||
// Next default values for new objects
|
||||
//
|
||||
#ifdef APSTUDIO_INVOKED
|
||||
#ifndef APSTUDIO_READONLY_SYMBOLS
|
||||
#define _APS_NEXT_RESOURCE_VALUE 102
|
||||
#define _APS_NEXT_COMMAND_VALUE 40001
|
||||
#define _APS_NEXT_CONTROL_VALUE 1001
|
||||
#define _APS_NEXT_SYMED_VALUE 101
|
||||
#endif
|
||||
#endif
|
Binary file not shown.
After Width: | Height: | Size: 33 KiB |
|
@ -0,0 +1,66 @@
|
|||
#include "run_loop.h"
|
||||
|
||||
#include <windows.h>
|
||||
|
||||
#include <algorithm>
|
||||
|
||||
RunLoop::RunLoop() {}
|
||||
|
||||
RunLoop::~RunLoop() {}
|
||||
|
||||
void RunLoop::Run() {
|
||||
bool keep_running = true;
|
||||
TimePoint next_flutter_event_time = TimePoint::clock::now();
|
||||
while (keep_running) {
|
||||
std::chrono::nanoseconds wait_duration =
|
||||
std::max(std::chrono::nanoseconds(0),
|
||||
next_flutter_event_time - TimePoint::clock::now());
|
||||
::MsgWaitForMultipleObjects(
|
||||
0, nullptr, FALSE, static_cast<DWORD>(wait_duration.count() / 1000),
|
||||
QS_ALLINPUT);
|
||||
bool processed_events = false;
|
||||
MSG message;
|
||||
// All pending Windows messages must be processed; MsgWaitForMultipleObjects
|
||||
// won't return again for items left in the queue after PeekMessage.
|
||||
while (::PeekMessage(&message, nullptr, 0, 0, PM_REMOVE)) {
|
||||
processed_events = true;
|
||||
if (message.message == WM_QUIT) {
|
||||
keep_running = false;
|
||||
break;
|
||||
}
|
||||
::TranslateMessage(&message);
|
||||
::DispatchMessage(&message);
|
||||
// Allow Flutter to process messages each time a Windows message is
|
||||
// processed, to prevent starvation.
|
||||
next_flutter_event_time =
|
||||
std::min(next_flutter_event_time, ProcessFlutterMessages());
|
||||
}
|
||||
// If the PeekMessage loop didn't run, process Flutter messages.
|
||||
if (!processed_events) {
|
||||
next_flutter_event_time =
|
||||
std::min(next_flutter_event_time, ProcessFlutterMessages());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void RunLoop::RegisterFlutterInstance(
|
||||
flutter::FlutterEngine* flutter_instance) {
|
||||
flutter_instances_.insert(flutter_instance);
|
||||
}
|
||||
|
||||
void RunLoop::UnregisterFlutterInstance(
|
||||
flutter::FlutterEngine* flutter_instance) {
|
||||
flutter_instances_.erase(flutter_instance);
|
||||
}
|
||||
|
||||
RunLoop::TimePoint RunLoop::ProcessFlutterMessages() {
|
||||
TimePoint next_event_time = TimePoint::max();
|
||||
for (auto instance : flutter_instances_) {
|
||||
std::chrono::nanoseconds wait_duration = instance->ProcessMessages();
|
||||
if (wait_duration != std::chrono::nanoseconds::max()) {
|
||||
next_event_time =
|
||||
std::min(next_event_time, TimePoint::clock::now() + wait_duration);
|
||||
}
|
||||
}
|
||||
return next_event_time;
|
||||
}
|
|
@ -0,0 +1,40 @@
|
|||
#ifndef RUNNER_RUN_LOOP_H_
|
||||
#define RUNNER_RUN_LOOP_H_
|
||||
|
||||
#include <flutter/flutter_engine.h>
|
||||
|
||||
#include <chrono>
|
||||
#include <set>
|
||||
|
||||
// A runloop that will service events for Flutter instances as well
|
||||
// as native messages.
|
||||
class RunLoop {
|
||||
public:
|
||||
RunLoop();
|
||||
~RunLoop();
|
||||
|
||||
// Prevent copying
|
||||
RunLoop(RunLoop const&) = delete;
|
||||
RunLoop& operator=(RunLoop const&) = delete;
|
||||
|
||||
// Runs the run loop until the application quits.
|
||||
void Run();
|
||||
|
||||
// Registers the given Flutter instance for event servicing.
|
||||
void RegisterFlutterInstance(
|
||||
flutter::FlutterEngine* flutter_instance);
|
||||
|
||||
// Unregisters the given Flutter instance from event servicing.
|
||||
void UnregisterFlutterInstance(
|
||||
flutter::FlutterEngine* flutter_instance);
|
||||
|
||||
private:
|
||||
using TimePoint = std::chrono::steady_clock::time_point;
|
||||
|
||||
// Processes all currently pending messages for registered Flutter instances.
|
||||
TimePoint ProcessFlutterMessages();
|
||||
|
||||
std::set<flutter::FlutterEngine*> flutter_instances_;
|
||||
};
|
||||
|
||||
#endif // RUNNER_RUN_LOOP_H_
|
|
@ -0,0 +1,20 @@
|
|||
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
|
||||
<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
|
||||
<application xmlns="urn:schemas-microsoft-com:asm.v3">
|
||||
<windowsSettings>
|
||||
<dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
|
||||
</windowsSettings>
|
||||
</application>
|
||||
<compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
|
||||
<application>
|
||||
<!-- Windows 10 -->
|
||||
<supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/>
|
||||
<!-- Windows 8.1 -->
|
||||
<supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}"/>
|
||||
<!-- Windows 8 -->
|
||||
<supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}"/>
|
||||
<!-- Windows 7 -->
|
||||
<supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/>
|
||||
</application>
|
||||
</compatibility>
|
||||
</assembly>
|
|
@ -0,0 +1,64 @@
|
|||
#include "utils.h"
|
||||
|
||||
#include <flutter_windows.h>
|
||||
#include <io.h>
|
||||
#include <stdio.h>
|
||||
#include <windows.h>
|
||||
|
||||
#include <iostream>
|
||||
|
||||
void CreateAndAttachConsole() {
|
||||
if (::AllocConsole()) {
|
||||
FILE *unused;
|
||||
if (freopen_s(&unused, "CONOUT$", "w", stdout)) {
|
||||
_dup2(_fileno(stdout), 1);
|
||||
}
|
||||
if (freopen_s(&unused, "CONOUT$", "w", stderr)) {
|
||||
_dup2(_fileno(stdout), 2);
|
||||
}
|
||||
std::ios::sync_with_stdio();
|
||||
FlutterDesktopResyncOutputStreams();
|
||||
}
|
||||
}
|
||||
|
||||
std::vector<std::string> GetCommandLineArguments() {
|
||||
// Convert the UTF-16 command line arguments to UTF-8 for the Engine to use.
|
||||
int argc;
|
||||
wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc);
|
||||
if (argv == nullptr) {
|
||||
return std::vector<std::string>();
|
||||
}
|
||||
|
||||
std::vector<std::string> command_line_arguments;
|
||||
|
||||
// Skip the first argument as it's the binary name.
|
||||
for (int i = 1; i < argc; i++) {
|
||||
command_line_arguments.push_back(Utf8FromUtf16(argv[i]));
|
||||
}
|
||||
|
||||
::LocalFree(argv);
|
||||
|
||||
return command_line_arguments;
|
||||
}
|
||||
|
||||
std::string Utf8FromUtf16(const wchar_t* utf16_string) {
|
||||
if (utf16_string == nullptr) {
|
||||
return std::string();
|
||||
}
|
||||
int target_length = ::WideCharToMultiByte(
|
||||
CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
|
||||
-1, nullptr, 0, nullptr, nullptr);
|
||||
if (target_length == 0) {
|
||||
return std::string();
|
||||
}
|
||||
std::string utf8_string;
|
||||
utf8_string.resize(target_length);
|
||||
int converted_length = ::WideCharToMultiByte(
|
||||
CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
|
||||
-1, utf8_string.data(),
|
||||
target_length, nullptr, nullptr);
|
||||
if (converted_length == 0) {
|
||||
return std::string();
|
||||
}
|
||||
return utf8_string;
|
||||
}
|
|
@ -0,0 +1,19 @@
|
|||
#ifndef RUNNER_UTILS_H_
|
||||
#define RUNNER_UTILS_H_
|
||||
|
||||
#include <string>
|
||||
#include <vector>
|
||||
|
||||
// Creates a console for the process, and redirects stdout and stderr to
|
||||
// it for both the runner and the Flutter library.
|
||||
void CreateAndAttachConsole();
|
||||
|
||||
// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string
|
||||
// encoded in UTF-8. Returns an empty std::string on failure.
|
||||
std::string Utf8FromUtf16(const wchar_t* utf16_string);
|
||||
|
||||
// Gets the command line arguments passed in as a std::vector<std::string>,
|
||||
// encoded in UTF-8. Returns an empty std::vector<std::string> on failure.
|
||||
std::vector<std::string> GetCommandLineArguments();
|
||||
|
||||
#endif // RUNNER_UTILS_H_
|
|
@ -0,0 +1,245 @@
|
|||
#include "win32_window.h"
|
||||
|
||||
#include <flutter_windows.h>
|
||||
|
||||
#include "resource.h"
|
||||
|
||||
namespace {
|
||||
|
||||
constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW";
|
||||
|
||||
// The number of Win32Window objects that currently exist.
|
||||
static int g_active_window_count = 0;
|
||||
|
||||
using EnableNonClientDpiScaling = BOOL __stdcall(HWND hwnd);
|
||||
|
||||
// Scale helper to convert logical scaler values to physical using passed in
|
||||
// scale factor
|
||||
int Scale(int source, double scale_factor) {
|
||||
return static_cast<int>(source * scale_factor);
|
||||
}
|
||||
|
||||
// Dynamically loads the |EnableNonClientDpiScaling| from the User32 module.
|
||||
// This API is only needed for PerMonitor V1 awareness mode.
|
||||
void EnableFullDpiSupportIfAvailable(HWND hwnd) {
|
||||
HMODULE user32_module = LoadLibraryA("User32.dll");
|
||||
if (!user32_module) {
|
||||
return;
|
||||
}
|
||||
auto enable_non_client_dpi_scaling =
|
||||
reinterpret_cast<EnableNonClientDpiScaling*>(
|
||||
GetProcAddress(user32_module, "EnableNonClientDpiScaling"));
|
||||
if (enable_non_client_dpi_scaling != nullptr) {
|
||||
enable_non_client_dpi_scaling(hwnd);
|
||||
FreeLibrary(user32_module);
|
||||
}
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
||||
// Manages the Win32Window's window class registration.
|
||||
class WindowClassRegistrar {
|
||||
public:
|
||||
~WindowClassRegistrar() = default;
|
||||
|
||||
// Returns the singleton registar instance.
|
||||
static WindowClassRegistrar* GetInstance() {
|
||||
if (!instance_) {
|
||||
instance_ = new WindowClassRegistrar();
|
||||
}
|
||||
return instance_;
|
||||
}
|
||||
|
||||
// Returns the name of the window class, registering the class if it hasn't
|
||||
// previously been registered.
|
||||
const wchar_t* GetWindowClass();
|
||||
|
||||
// Unregisters the window class. Should only be called if there are no
|
||||
// instances of the window.
|
||||
void UnregisterWindowClass();
|
||||
|
||||
private:
|
||||
WindowClassRegistrar() = default;
|
||||
|
||||
static WindowClassRegistrar* instance_;
|
||||
|
||||
bool class_registered_ = false;
|
||||
};
|
||||
|
||||
WindowClassRegistrar* WindowClassRegistrar::instance_ = nullptr;
|
||||
|
||||
const wchar_t* WindowClassRegistrar::GetWindowClass() {
|
||||
if (!class_registered_) {
|
||||
WNDCLASS window_class{};
|
||||
window_class.hCursor = LoadCursor(nullptr, IDC_ARROW);
|
||||
window_class.lpszClassName = kWindowClassName;
|
||||
window_class.style = CS_HREDRAW | CS_VREDRAW;
|
||||
window_class.cbClsExtra = 0;
|
||||
window_class.cbWndExtra = 0;
|
||||
window_class.hInstance = GetModuleHandle(nullptr);
|
||||
window_class.hIcon =
|
||||
LoadIcon(window_class.hInstance, MAKEINTRESOURCE(IDI_APP_ICON));
|
||||
window_class.hbrBackground = 0;
|
||||
window_class.lpszMenuName = nullptr;
|
||||
window_class.lpfnWndProc = Win32Window::WndProc;
|
||||
RegisterClass(&window_class);
|
||||
class_registered_ = true;
|
||||
}
|
||||
return kWindowClassName;
|
||||
}
|
||||
|
||||
void WindowClassRegistrar::UnregisterWindowClass() {
|
||||
UnregisterClass(kWindowClassName, nullptr);
|
||||
class_registered_ = false;
|
||||
}
|
||||
|
||||
Win32Window::Win32Window() {
|
||||
++g_active_window_count;
|
||||
}
|
||||
|
||||
Win32Window::~Win32Window() {
|
||||
--g_active_window_count;
|
||||
Destroy();
|
||||
}
|
||||
|
||||
bool Win32Window::CreateAndShow(const std::wstring& title,
|
||||
const Point& origin,
|
||||
const Size& size) {
|
||||
Destroy();
|
||||
|
||||
const wchar_t* window_class =
|
||||
WindowClassRegistrar::GetInstance()->GetWindowClass();
|
||||
|
||||
const POINT target_point = {static_cast<LONG>(origin.x),
|
||||
static_cast<LONG>(origin.y)};
|
||||
HMONITOR monitor = MonitorFromPoint(target_point, MONITOR_DEFAULTTONEAREST);
|
||||
UINT dpi = FlutterDesktopGetDpiForMonitor(monitor);
|
||||
double scale_factor = dpi / 96.0;
|
||||
|
||||
HWND window = CreateWindow(
|
||||
window_class, title.c_str(), WS_OVERLAPPEDWINDOW | WS_VISIBLE,
|
||||
Scale(origin.x, scale_factor), Scale(origin.y, scale_factor),
|
||||
Scale(size.width, scale_factor), Scale(size.height, scale_factor),
|
||||
nullptr, nullptr, GetModuleHandle(nullptr), this);
|
||||
|
||||
if (!window) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return OnCreate();
|
||||
}
|
||||
|
||||
// static
|
||||
LRESULT CALLBACK Win32Window::WndProc(HWND const window,
|
||||
UINT const message,
|
||||
WPARAM const wparam,
|
||||
LPARAM const lparam) noexcept {
|
||||
if (message == WM_NCCREATE) {
|
||||
auto window_struct = reinterpret_cast<CREATESTRUCT*>(lparam);
|
||||
SetWindowLongPtr(window, GWLP_USERDATA,
|
||||
reinterpret_cast<LONG_PTR>(window_struct->lpCreateParams));
|
||||
|
||||
auto that = static_cast<Win32Window*>(window_struct->lpCreateParams);
|
||||
EnableFullDpiSupportIfAvailable(window);
|
||||
that->window_handle_ = window;
|
||||
} else if (Win32Window* that = GetThisFromHandle(window)) {
|
||||
return that->MessageHandler(window, message, wparam, lparam);
|
||||
}
|
||||
|
||||
return DefWindowProc(window, message, wparam, lparam);
|
||||
}
|
||||
|
||||
LRESULT
|
||||
Win32Window::MessageHandler(HWND hwnd,
|
||||
UINT const message,
|
||||
WPARAM const wparam,
|
||||
LPARAM const lparam) noexcept {
|
||||
switch (message) {
|
||||
case WM_DESTROY:
|
||||
window_handle_ = nullptr;
|
||||
Destroy();
|
||||
if (quit_on_close_) {
|
||||
PostQuitMessage(0);
|
||||
}
|
||||
return 0;
|
||||
|
||||
case WM_DPICHANGED: {
|
||||
auto newRectSize = reinterpret_cast<RECT*>(lparam);
|
||||
LONG newWidth = newRectSize->right - newRectSize->left;
|
||||
LONG newHeight = newRectSize->bottom - newRectSize->top;
|
||||
|
||||
SetWindowPos(hwnd, nullptr, newRectSize->left, newRectSize->top, newWidth,
|
||||
newHeight, SWP_NOZORDER | SWP_NOACTIVATE);
|
||||
|
||||
return 0;
|
||||
}
|
||||
case WM_SIZE: {
|
||||
RECT rect = GetClientArea();
|
||||
if (child_content_ != nullptr) {
|
||||
// Size and position the child window.
|
||||
MoveWindow(child_content_, rect.left, rect.top, rect.right - rect.left,
|
||||
rect.bottom - rect.top, TRUE);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
case WM_ACTIVATE:
|
||||
if (child_content_ != nullptr) {
|
||||
SetFocus(child_content_);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
return DefWindowProc(window_handle_, message, wparam, lparam);
|
||||
}
|
||||
|
||||
void Win32Window::Destroy() {
|
||||
OnDestroy();
|
||||
|
||||
if (window_handle_) {
|
||||
DestroyWindow(window_handle_);
|
||||
window_handle_ = nullptr;
|
||||
}
|
||||
if (g_active_window_count == 0) {
|
||||
WindowClassRegistrar::GetInstance()->UnregisterWindowClass();
|
||||
}
|
||||
}
|
||||
|
||||
Win32Window* Win32Window::GetThisFromHandle(HWND const window) noexcept {
|
||||
return reinterpret_cast<Win32Window*>(
|
||||
GetWindowLongPtr(window, GWLP_USERDATA));
|
||||
}
|
||||
|
||||
void Win32Window::SetChildContent(HWND content) {
|
||||
child_content_ = content;
|
||||
SetParent(content, window_handle_);
|
||||
RECT frame = GetClientArea();
|
||||
|
||||
MoveWindow(content, frame.left, frame.top, frame.right - frame.left,
|
||||
frame.bottom - frame.top, true);
|
||||
|
||||
SetFocus(child_content_);
|
||||
}
|
||||
|
||||
RECT Win32Window::GetClientArea() {
|
||||
RECT frame;
|
||||
GetClientRect(window_handle_, &frame);
|
||||
return frame;
|
||||
}
|
||||
|
||||
HWND Win32Window::GetHandle() {
|
||||
return window_handle_;
|
||||
}
|
||||
|
||||
void Win32Window::SetQuitOnClose(bool quit_on_close) {
|
||||
quit_on_close_ = quit_on_close;
|
||||
}
|
||||
|
||||
bool Win32Window::OnCreate() {
|
||||
// No-op; provided for subclasses.
|
||||
return true;
|
||||
}
|
||||
|
||||
void Win32Window::OnDestroy() {
|
||||
// No-op; provided for subclasses.
|
||||
}
|
|
@ -0,0 +1,98 @@
|
|||
#ifndef RUNNER_WIN32_WINDOW_H_
|
||||
#define RUNNER_WIN32_WINDOW_H_
|
||||
|
||||
#include <windows.h>
|
||||
|
||||
#include <functional>
|
||||
#include <memory>
|
||||
#include <string>
|
||||
|
||||
// A class abstraction for a high DPI-aware Win32 Window. Intended to be
|
||||
// inherited from by classes that wish to specialize with custom
|
||||
// rendering and input handling
|
||||
class Win32Window {
|
||||
public:
|
||||
struct Point {
|
||||
unsigned int x;
|
||||
unsigned int y;
|
||||
Point(unsigned int x, unsigned int y) : x(x), y(y) {}
|
||||
};
|
||||
|
||||
struct Size {
|
||||
unsigned int width;
|
||||
unsigned int height;
|
||||
Size(unsigned int width, unsigned int height)
|
||||
: width(width), height(height) {}
|
||||
};
|
||||
|
||||
Win32Window();
|
||||
virtual ~Win32Window();
|
||||
|
||||
// Creates and shows a win32 window with |title| and position and size using
|
||||
// |origin| and |size|. New windows are created on the default monitor. Window
|
||||
// sizes are specified to the OS in physical pixels, hence to ensure a
|
||||
// consistent size to will treat the width height passed in to this function
|
||||
// as logical pixels and scale to appropriate for the default monitor. Returns
|
||||
// true if the window was created successfully.
|
||||
bool CreateAndShow(const std::wstring& title,
|
||||
const Point& origin,
|
||||
const Size& size);
|
||||
|
||||
// Release OS resources associated with window.
|
||||
void Destroy();
|
||||
|
||||
// Inserts |content| into the window tree.
|
||||
void SetChildContent(HWND content);
|
||||
|
||||
// Returns the backing Window handle to enable clients to set icon and other
|
||||
// window properties. Returns nullptr if the window has been destroyed.
|
||||
HWND GetHandle();
|
||||
|
||||
// If true, closing this window will quit the application.
|
||||
void SetQuitOnClose(bool quit_on_close);
|
||||
|
||||
// Return a RECT representing the bounds of the current client area.
|
||||
RECT GetClientArea();
|
||||
|
||||
protected:
|
||||
// Processes and route salient window messages for mouse handling,
|
||||
// size change and DPI. Delegates handling of these to member overloads that
|
||||
// inheriting classes can handle.
|
||||
virtual LRESULT MessageHandler(HWND window,
|
||||
UINT const message,
|
||||
WPARAM const wparam,
|
||||
LPARAM const lparam) noexcept;
|
||||
|
||||
// Called when CreateAndShow is called, allowing subclass window-related
|
||||
// setup. Subclasses should return false if setup fails.
|
||||
virtual bool OnCreate();
|
||||
|
||||
// Called when Destroy is called.
|
||||
virtual void OnDestroy();
|
||||
|
||||
private:
|
||||
friend class WindowClassRegistrar;
|
||||
|
||||
// OS callback called by message pump. Handles the WM_NCCREATE message which
|
||||
// is passed when the non-client area is being created and enables automatic
|
||||
// non-client DPI scaling so that the non-client area automatically
|
||||
// responsponds to changes in DPI. All other messages are handled by
|
||||
// MessageHandler.
|
||||
static LRESULT CALLBACK WndProc(HWND const window,
|
||||
UINT const message,
|
||||
WPARAM const wparam,
|
||||
LPARAM const lparam) noexcept;
|
||||
|
||||
// Retrieves a class instance pointer for |window|
|
||||
static Win32Window* GetThisFromHandle(HWND const window) noexcept;
|
||||
|
||||
bool quit_on_close_ = false;
|
||||
|
||||
// window handle for top level window.
|
||||
HWND window_handle_ = nullptr;
|
||||
|
||||
// window handle for hosted content.
|
||||
HWND child_content_ = nullptr;
|
||||
};
|
||||
|
||||
#endif // RUNNER_WIN32_WINDOW_H_
|
Loading…
Reference in New Issue