diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index ce2fd8f..9fb0f96 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -119,3 +119,45 @@ jobs: - name: Build macOS (debug, no codesign) working-directory: patch_app run: flutter build macos --debug + + # Linux counterpart of build-macos: compiles patch_core as a cdylib and links + # it into the GTK app the same way a release build does, so Linux-specific + # link/plugin regressions fail the PR instead of first surfacing at + # release-tag time. Also the only CI job that compiles patch_core's Linux + # `cfg(target_os = "linux")` paths (ALSA/midir). Keep the apt deps in step + # with release.yml's "Install Linux build deps". + build-linux: + name: Linux — native build smoke test + runs-on: ubuntu-latest + steps: + - uses: actions/checkout@v4 + + - name: Install Linux build deps + run: | + sudo apt-get update + sudo apt-get install -y clang cmake ninja-build pkg-config \ + libgtk-3-dev libasound2-dev \ + libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev + + # cargokit invokes cargo during `flutter build`, so the same pinned Rust + # as the `rust` job must be present. + - name: Install Rust 1.95.0 + uses: dtolnay/rust-toolchain@1.95.0 + + - uses: Swatinem/rust-cache@v2 + + - name: Install Flutter 3.44.1 + uses: subosito/flutter-action@v2 + with: + flutter-version: 3.44.1 + channel: stable + cache: true + + - name: Pub get + working-directory: patch_app + run: flutter pub get + + # Debug build: we only need compile-and-link to succeed, not an artifact. + - name: Build Linux (debug) + working-directory: patch_app + run: flutter build linux --debug diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml index f5d97d1..2d7b9fd 100644 --- a/.github/workflows/release.yml +++ b/.github/workflows/release.yml @@ -11,7 +11,8 @@ name: Release # (CODE_SIGN_IDENTITY = "-"), so first launch after opening the DMG shows a # Gatekeeper warning (right-click → Open, or # `xattr -dr com.apple.quarantine Patch.app`); Windows is unsigned, so the -# installer trips SmartScreen ("More info → Run anyway"). Real codesigning/ +# installer trips SmartScreen ("More info → Run anyway"); Linux ships a +# portable AppImage (`chmod +x` then run — no install step). Real codesigning/ # notarization would need certs added as repo secrets — out of scope here. # # NB the release name comes from the tag. Keep the tag aligned with @@ -40,10 +41,24 @@ jobs: platform: macos - os: windows-latest platform: windows + - os: ubuntu-latest + platform: linux runs-on: ${{ matrix.os }} steps: - uses: actions/checkout@v4 + # Flutter Linux desktop needs GTK + the CMake/Ninja toolchain; patch-core + # links ALSA (midir) and audioplayers_linux links GStreamer. macOS/Windows + # get their MIDI/audio backends from the OS (CoreMIDI/WinMM), so this is + # Linux-only. Keep in step with ci.yml's build-linux job. + - name: Install Linux build deps + if: matrix.platform == 'linux' + run: | + sudo apt-get update + sudo apt-get install -y clang cmake ninja-build pkg-config \ + libgtk-3-dev libasound2-dev \ + libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev + # cargokit compiles patch-core (cdylib/staticlib) during `flutter build`, # so the Rust toolchain must be present. macOS links CoreMIDI, Windows # WinMM — neither needs an extra system package (ALSA is Linux-only). @@ -125,6 +140,48 @@ jobs: /DMyOutputDir="${{ github.workspace }}" ` patch_app\windows\installer\patch.iss + # ── Linux ──────────────────────────────────────────────────────────── + - name: Build Linux + if: matrix.platform == 'linux' + working-directory: patch_app + run: flutter build linux --release + + - name: Package Linux (AppImage) + if: matrix.platform == 'linux' + working-directory: patch_app + # A portable AppImage (single executable, no install) mirrors the + # "download & run" UX of the macOS .dmg / Windows .exe. appimagetool is + # itself an AppImage; APPIMAGE_EXTRACT_AND_RUN avoids needing FUSE on the + # runner. + env: + APPIMAGE_EXTRACT_AND_RUN: 1 + run: | + BUNDLE=build/linux/x64/release/bundle + APPDIR=AppDir + rm -rf "$APPDIR" + mkdir -p "$APPDIR/usr/bin" + cp -r "$BUNDLE"/. "$APPDIR/usr/bin/" + cp assets/icon/icon_master.png "$APPDIR/patch.png" + cat > "$APPDIR/patch.desktop" <<'EOF' + [Desktop Entry] + Type=Application + Name=Patch + Exec=patch_app + Icon=patch + Categories=AudioVideo;Network;Utility; + Terminal=false + EOF + cat > "$APPDIR/AppRun" <<'EOF' + #!/bin/bash + HERE="$(dirname "$(readlink -f "$0")")" + exec "$HERE/usr/bin/patch_app" "$@" + EOF + chmod +x "$APPDIR/AppRun" + wget -q https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-x86_64.AppImage + chmod +x appimagetool-x86_64.AppImage + ARCH=x86_64 ./appimagetool-x86_64.AppImage "$APPDIR" \ + "$GITHUB_WORKSPACE/Patch-${{ steps.version.outputs.version }}-linux-x86_64.AppImage" + - name: Upload build artifact uses: actions/upload-artifact@v4 with: @@ -132,6 +189,7 @@ jobs: path: | Patch-*.dmg Patch-*.exe + Patch-*.AppImage if-no-files-found: error release: @@ -152,5 +210,6 @@ jobs: files: | artifacts/*.dmg artifacts/*.exe + artifacts/*.AppImage generate_release_notes: true draft: true diff --git a/README.md b/README.md index 52d9901..7a796b4 100644 --- a/README.md +++ b/README.md @@ -87,11 +87,12 @@ flutter run -d macos # iOS / iPad (device or simulator) flutter run -d -# Windows / Linux — generate the platform folder first if missing -flutter create --platforms=windows . # or linux +# Windows / Linux (platform folders are committed, like macOS/iOS) flutter run -d windows # or linux ``` +Prebuilt downloads for tagged releases are attached to the [GitHub Releases](https://github.com/vk0eppel/Patch/releases) page: a `.dmg` (macOS), an installer `.exe` (Windows), and a portable `.AppImage` (Linux — `chmod +x` then run, no install step). All are unsigned; see the notes in `.github/workflows/release.yml`. + The first build is slow because Cargokit cross-compiles the Rust engine for the target. Subsequent runs are fast. The engine generates a `patch.toml` config file on first run in the platform data directory: diff --git a/patch_app/.metadata b/patch_app/.metadata index 69545ba..42265a9 100644 --- a/patch_app/.metadata +++ b/patch_app/.metadata @@ -24,6 +24,9 @@ migration: - platform: windows create_revision: 559ffa3f75e7402d65a8def9c28389a9b2e6fe42 base_revision: 559ffa3f75e7402d65a8def9c28389a9b2e6fe42 + - platform: linux + create_revision: 559ffa3f75e7402d65a8def9c28389a9b2e6fe42 + base_revision: 559ffa3f75e7402d65a8def9c28389a9b2e6fe42 # User provided section diff --git a/patch_app/lib/main.dart b/patch_app/lib/main.dart index 65b3562..1cd52a7 100644 --- a/patch_app/lib/main.dart +++ b/patch_app/lib/main.dart @@ -52,6 +52,18 @@ bool _positionOnScreen(Offset pos, Size windowSize) { void main() async { WidgetsFlutterBinding.ensureInitialized(); + // TEMP DEADZONE PROBE — prints every pointer-down that reaches Flutter's + // engine, with window-local coords. If clicking the Audio tab's dead centre + // prints nothing, the event is swallowed natively before Flutter. Remove. + WidgetsBinding.instance.pointerRouter.addGlobalRoute((event) { + if (event is PointerDownEvent) { + debugPrint( + 'PROBE pointerDown x=${event.position.dx.toStringAsFixed(1)} ' + 'y=${event.position.dy.toStringAsFixed(1)}', + ); + } + }); + // Lock to landscape on iPad — the fixed-width multi-panel layout is unusable // in portrait. Done before runApp so it's in effect for the first frame. No-op // on desktop and iPhone (see shouldLockLandscape). diff --git a/patch_app/linux/.gitignore b/patch_app/linux/.gitignore new file mode 100644 index 0000000..d3896c9 --- /dev/null +++ b/patch_app/linux/.gitignore @@ -0,0 +1 @@ +flutter/ephemeral diff --git a/patch_app/linux/CMakeLists.txt b/patch_app/linux/CMakeLists.txt new file mode 100644 index 0000000..e15789b --- /dev/null +++ b/patch_app/linux/CMakeLists.txt @@ -0,0 +1,128 @@ +# Project-level configuration. +cmake_minimum_required(VERSION 3.13) +project(runner LANGUAGES CXX) + +# The name of the executable created for the application. Change this to change +# the on-disk name of your application. +set(BINARY_NAME "patch_app") +# The unique GTK application identifier for this application. See: +# https://wiki.gnome.org/HowDoI/ChooseApplicationID +set(APPLICATION_ID "com.patch.app") + +# Explicitly opt in to modern CMake behaviors to avoid warnings with recent +# versions of CMake. +cmake_policy(SET CMP0063 NEW) + +# Load bundled libraries from the lib/ directory relative to the binary. +set(CMAKE_INSTALL_RPATH "$ORIGIN/lib") + +# Root filesystem for cross-building. +if(FLUTTER_TARGET_PLATFORM_SYSROOT) + set(CMAKE_SYSROOT ${FLUTTER_TARGET_PLATFORM_SYSROOT}) + set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT}) + set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) + set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY) + set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) + set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) +endif() + +# Define build configuration options. +if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) + set(CMAKE_BUILD_TYPE "Debug" CACHE + STRING "Flutter build mode" FORCE) + set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS + "Debug" "Profile" "Release") +endif() + +# Compilation settings that should be applied to most targets. +# +# Be cautious about adding new options here, as plugins use this function by +# default. In most cases, you should add new options to specific targets instead +# of modifying this function. +function(APPLY_STANDARD_SETTINGS TARGET) + target_compile_features(${TARGET} PUBLIC cxx_std_14) + target_compile_options(${TARGET} PRIVATE -Wall -Werror) + target_compile_options(${TARGET} PRIVATE "$<$>:-O3>") + target_compile_definitions(${TARGET} PRIVATE "$<$>:NDEBUG>") +endfunction() + +# Flutter library and tool build rules. +set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") +add_subdirectory(${FLUTTER_MANAGED_DIR}) + +# System-level dependencies. +find_package(PkgConfig REQUIRED) +pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0) + +# Application build; see runner/CMakeLists.txt. +add_subdirectory("runner") + +# Run the Flutter tool portions of the build. This must not be removed. +add_dependencies(${BINARY_NAME} flutter_assemble) + +# Only the install-generated bundle's copy of the executable will launch +# correctly, since the resources must in the right relative locations. To avoid +# people trying to run the unbundled copy, put it in a subdirectory instead of +# the default top-level location. +set_target_properties(${BINARY_NAME} + PROPERTIES + RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run" +) + + +# Generated plugin build rules, which manage building the plugins and adding +# them to the application. +include(flutter/generated_plugins.cmake) + + +# === Installation === +# By default, "installing" just makes a relocatable bundle in the build +# directory. +set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle") +if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) + set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE) +endif() + +# Start with a clean build bundle directory every time. +install(CODE " + file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\") + " COMPONENT Runtime) + +set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data") +set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib") + +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) + +foreach(bundled_library ${PLUGIN_BUNDLED_LIBRARIES}) + install(FILES "${bundled_library}" + DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) +endforeach(bundled_library) + +# Copy the native assets provided by the build.dart from all packages. +set(NATIVE_ASSETS_DIR "${PROJECT_BUILD_DIR}native_assets/linux/") +install(DIRECTORY "${NATIVE_ASSETS_DIR}" + DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) + +# 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 "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) + +# Install the AOT library on non-Debug builds only. +if(NOT CMAKE_BUILD_TYPE MATCHES "Debug") + install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) +endif() diff --git a/patch_app/linux/flutter/CMakeLists.txt b/patch_app/linux/flutter/CMakeLists.txt new file mode 100644 index 0000000..d5bd016 --- /dev/null +++ b/patch_app/linux/flutter/CMakeLists.txt @@ -0,0 +1,88 @@ +# This file controls Flutter-level build steps. It should not be edited. +cmake_minimum_required(VERSION 3.10) + +set(EPHEMERAL_DIR "${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. + +# Serves the same purpose as list(TRANSFORM ... PREPEND ...), +# which isn't available in 3.10. +function(list_prepend LIST_NAME PREFIX) + set(NEW_LIST "") + foreach(element ${${LIST_NAME}}) + list(APPEND NEW_LIST "${PREFIX}${element}") + endforeach(element) + set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE) +endfunction() + +# === Flutter Library === +# System-level dependencies. +find_package(PkgConfig REQUIRED) +pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0) +pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0) +pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0) + +set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so") + +# 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/lib/libapp.so" PARENT_SCOPE) + +list(APPEND FLUTTER_LIBRARY_HEADERS + "fl_basic_message_channel.h" + "fl_binary_codec.h" + "fl_binary_messenger.h" + "fl_dart_project.h" + "fl_engine.h" + "fl_json_message_codec.h" + "fl_json_method_codec.h" + "fl_message_codec.h" + "fl_method_call.h" + "fl_method_channel.h" + "fl_method_codec.h" + "fl_method_response.h" + "fl_plugin_registrar.h" + "fl_plugin_registry.h" + "fl_standard_message_codec.h" + "fl_standard_method_codec.h" + "fl_string_codec.h" + "fl_value.h" + "fl_view.h" + "flutter_linux.h" +) +list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/") +add_library(flutter INTERFACE) +target_include_directories(flutter INTERFACE + "${EPHEMERAL_DIR}" +) +target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}") +target_link_libraries(flutter INTERFACE + PkgConfig::GTK + PkgConfig::GLIB + PkgConfig::GIO +) +add_dependencies(flutter flutter_assemble) + +# === Flutter tool backend === +# _phony_ is a non-existent file to force this command to run every time, +# since currently there's no way to get a full input/output list from the +# flutter tool. +add_custom_command( + OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} + ${CMAKE_CURRENT_BINARY_DIR}/_phony_ + COMMAND ${CMAKE_COMMAND} -E env + ${FLUTTER_TOOL_ENVIRONMENT} + "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh" + ${FLUTTER_TARGET_PLATFORM} ${CMAKE_BUILD_TYPE} + VERBATIM +) +add_custom_target(flutter_assemble DEPENDS + "${FLUTTER_LIBRARY}" + ${FLUTTER_LIBRARY_HEADERS} +) diff --git a/patch_app/linux/flutter/generated_plugin_registrant.cc b/patch_app/linux/flutter/generated_plugin_registrant.cc new file mode 100644 index 0000000..d7f5477 --- /dev/null +++ b/patch_app/linux/flutter/generated_plugin_registrant.cc @@ -0,0 +1,23 @@ +// +// Generated file. Do not edit. +// + +// clang-format off + +#include "generated_plugin_registrant.h" + +#include +#include +#include + +void fl_register_plugins(FlPluginRegistry* registry) { + g_autoptr(FlPluginRegistrar) audioplayers_linux_registrar = + fl_plugin_registry_get_registrar_for_plugin(registry, "AudioplayersLinuxPlugin"); + audioplayers_linux_plugin_register_with_registrar(audioplayers_linux_registrar); + g_autoptr(FlPluginRegistrar) screen_retriever_linux_registrar = + fl_plugin_registry_get_registrar_for_plugin(registry, "ScreenRetrieverLinuxPlugin"); + screen_retriever_linux_plugin_register_with_registrar(screen_retriever_linux_registrar); + g_autoptr(FlPluginRegistrar) window_manager_registrar = + fl_plugin_registry_get_registrar_for_plugin(registry, "WindowManagerPlugin"); + window_manager_plugin_register_with_registrar(window_manager_registrar); +} diff --git a/patch_app/linux/flutter/generated_plugin_registrant.h b/patch_app/linux/flutter/generated_plugin_registrant.h new file mode 100644 index 0000000..e0f0a47 --- /dev/null +++ b/patch_app/linux/flutter/generated_plugin_registrant.h @@ -0,0 +1,15 @@ +// +// Generated file. Do not edit. +// + +// clang-format off + +#ifndef GENERATED_PLUGIN_REGISTRANT_ +#define GENERATED_PLUGIN_REGISTRANT_ + +#include + +// Registers Flutter plugins. +void fl_register_plugins(FlPluginRegistry* registry); + +#endif // GENERATED_PLUGIN_REGISTRANT_ diff --git a/patch_app/linux/flutter/generated_plugins.cmake b/patch_app/linux/flutter/generated_plugins.cmake new file mode 100644 index 0000000..02d6f13 --- /dev/null +++ b/patch_app/linux/flutter/generated_plugins.cmake @@ -0,0 +1,28 @@ +# +# Generated file, do not edit. +# + +list(APPEND FLUTTER_PLUGIN_LIST + audioplayers_linux + screen_retriever_linux + window_manager +) + +list(APPEND FLUTTER_FFI_PLUGIN_LIST + jni + patch_core +) + +set(PLUGIN_BUNDLED_LIBRARIES) + +foreach(plugin ${FLUTTER_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux plugins/${plugin}) + target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) + list(APPEND PLUGIN_BUNDLED_LIBRARIES $) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) +endforeach(plugin) + +foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/linux plugins/${ffi_plugin}) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries}) +endforeach(ffi_plugin) diff --git a/patch_app/linux/runner/CMakeLists.txt b/patch_app/linux/runner/CMakeLists.txt new file mode 100644 index 0000000..e97dabc --- /dev/null +++ b/patch_app/linux/runner/CMakeLists.txt @@ -0,0 +1,26 @@ +cmake_minimum_required(VERSION 3.13) +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(${BINARY_NAME} + "main.cc" + "my_application.cc" + "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc" +) + +# Apply the standard set of build settings. This can be removed for applications +# that need different build settings. +apply_standard_settings(${BINARY_NAME}) + +# Add preprocessor definitions for the application ID. +add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}") + +# Add dependency libraries. Add any application-specific dependencies here. +target_link_libraries(${BINARY_NAME} PRIVATE flutter) +target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK) + +target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}") diff --git a/patch_app/linux/runner/main.cc b/patch_app/linux/runner/main.cc new file mode 100644 index 0000000..e7c5c54 --- /dev/null +++ b/patch_app/linux/runner/main.cc @@ -0,0 +1,6 @@ +#include "my_application.h" + +int main(int argc, char** argv) { + g_autoptr(MyApplication) app = my_application_new(); + return g_application_run(G_APPLICATION(app), argc, argv); +} diff --git a/patch_app/linux/runner/my_application.cc b/patch_app/linux/runner/my_application.cc new file mode 100644 index 0000000..94b5cfa --- /dev/null +++ b/patch_app/linux/runner/my_application.cc @@ -0,0 +1,148 @@ +#include "my_application.h" + +#include +#ifdef GDK_WINDOWING_X11 +#include +#endif + +#include "flutter/generated_plugin_registrant.h" + +struct _MyApplication { + GtkApplication parent_instance; + char** dart_entrypoint_arguments; +}; + +G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION) + +// Called when first Flutter frame received. +static void first_frame_cb(MyApplication* self, FlView* view) { + gtk_widget_show(gtk_widget_get_toplevel(GTK_WIDGET(view))); +} + +// Implements GApplication::activate. +static void my_application_activate(GApplication* application) { + MyApplication* self = MY_APPLICATION(application); + GtkWindow* window = + GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application))); + + // Use a header bar when running in GNOME as this is the common style used + // by applications and is the setup most users will be using (e.g. Ubuntu + // desktop). + // If running on X and not using GNOME then just use a traditional title bar + // in case the window manager does more exotic layout, e.g. tiling. + // If running on Wayland assume the header bar will work (may need changing + // if future cases occur). + gboolean use_header_bar = TRUE; +#ifdef GDK_WINDOWING_X11 + GdkScreen* screen = gtk_window_get_screen(window); + if (GDK_IS_X11_SCREEN(screen)) { + const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen); + if (g_strcmp0(wm_name, "GNOME Shell") != 0) { + use_header_bar = FALSE; + } + } +#endif + if (use_header_bar) { + GtkHeaderBar* header_bar = GTK_HEADER_BAR(gtk_header_bar_new()); + gtk_widget_show(GTK_WIDGET(header_bar)); + gtk_header_bar_set_title(header_bar, "Patch"); + gtk_header_bar_set_show_close_button(header_bar, TRUE); + gtk_window_set_titlebar(window, GTK_WIDGET(header_bar)); + } else { + gtk_window_set_title(window, "Patch"); + } + + gtk_window_set_default_size(window, 1280, 720); + + g_autoptr(FlDartProject) project = fl_dart_project_new(); + fl_dart_project_set_dart_entrypoint_arguments( + project, self->dart_entrypoint_arguments); + + FlView* view = fl_view_new(project); + GdkRGBA background_color; + // Background defaults to black, override it here if necessary, e.g. #00000000 + // for transparent. + gdk_rgba_parse(&background_color, "#000000"); + fl_view_set_background_color(view, &background_color); + gtk_widget_show(GTK_WIDGET(view)); + gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view)); + + // Show the window when Flutter renders. + // Requires the view to be realized so we can start rendering. + g_signal_connect_swapped(view, "first-frame", G_CALLBACK(first_frame_cb), + self); + gtk_widget_realize(GTK_WIDGET(view)); + + fl_register_plugins(FL_PLUGIN_REGISTRY(view)); + + gtk_widget_grab_focus(GTK_WIDGET(view)); +} + +// Implements GApplication::local_command_line. +static gboolean my_application_local_command_line(GApplication* application, + gchar*** arguments, + int* exit_status) { + MyApplication* self = MY_APPLICATION(application); + // Strip out the first argument as it is the binary name. + self->dart_entrypoint_arguments = g_strdupv(*arguments + 1); + + g_autoptr(GError) error = nullptr; + if (!g_application_register(application, nullptr, &error)) { + g_warning("Failed to register: %s", error->message); + *exit_status = 1; + return TRUE; + } + + g_application_activate(application); + *exit_status = 0; + + return TRUE; +} + +// Implements GApplication::startup. +static void my_application_startup(GApplication* application) { + // MyApplication* self = MY_APPLICATION(object); + + // Perform any actions required at application startup. + + G_APPLICATION_CLASS(my_application_parent_class)->startup(application); +} + +// Implements GApplication::shutdown. +static void my_application_shutdown(GApplication* application) { + // MyApplication* self = MY_APPLICATION(object); + + // Perform any actions required at application shutdown. + + G_APPLICATION_CLASS(my_application_parent_class)->shutdown(application); +} + +// Implements GObject::dispose. +static void my_application_dispose(GObject* object) { + MyApplication* self = MY_APPLICATION(object); + g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev); + G_OBJECT_CLASS(my_application_parent_class)->dispose(object); +} + +static void my_application_class_init(MyApplicationClass* klass) { + G_APPLICATION_CLASS(klass)->activate = my_application_activate; + G_APPLICATION_CLASS(klass)->local_command_line = + my_application_local_command_line; + G_APPLICATION_CLASS(klass)->startup = my_application_startup; + G_APPLICATION_CLASS(klass)->shutdown = my_application_shutdown; + G_OBJECT_CLASS(klass)->dispose = my_application_dispose; +} + +static void my_application_init(MyApplication* self) {} + +MyApplication* my_application_new() { + // Set the program name to the application ID, which helps various systems + // like GTK and desktop environments map this running application to its + // corresponding .desktop file. This ensures better integration by allowing + // the application to be recognized beyond its binary name. + g_set_prgname(APPLICATION_ID); + + return MY_APPLICATION(g_object_new(my_application_get_type(), + "application-id", APPLICATION_ID, "flags", + G_APPLICATION_NON_UNIQUE, nullptr)); +} diff --git a/patch_app/linux/runner/my_application.h b/patch_app/linux/runner/my_application.h new file mode 100644 index 0000000..db16367 --- /dev/null +++ b/patch_app/linux/runner/my_application.h @@ -0,0 +1,21 @@ +#ifndef FLUTTER_MY_APPLICATION_H_ +#define FLUTTER_MY_APPLICATION_H_ + +#include + +G_DECLARE_FINAL_TYPE(MyApplication, + my_application, + MY, + APPLICATION, + GtkApplication) + +/** + * my_application_new: + * + * Creates a new Flutter-based application. + * + * Returns: a new #MyApplication. + */ +MyApplication* my_application_new(); + +#endif // FLUTTER_MY_APPLICATION_H_