Unverified Commit 7b458e5a authored by Robert Ancell's avatar Robert Ancell Committed by GitHub

Implement Linux part of examples (#108068)

Add Linux files for hello_world and platform_channel examples
parent 297f094c
# Project-level configuration.
cmake_minimum_required(VERSION 3.10)
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 "hello_world")
# The unique GTK application identifier for this application. See:
# https://wiki.gnome.org/HowDoI/ChooseApplicationID
set(APPLICATION_ID "io.flutter.examples.hello_world")
# 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 "$<$<NOT:$<CONFIG:Debug>>:-O3>")
target_compile_definitions(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:NDEBUG>")
endfunction()
# Flutter library and tool build rules.
set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
add_subdirectory(${FLUTTER_MANAGED_DIR})
# System-level dependencies.
find_package(PkgConfig REQUIRED)
pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}")
# Define the application target. To change its name, change BINARY_NAME above,
# 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(${BINARY_NAME})
# Add dependency libraries. Add any application-specific dependencies here.
target_link_libraries(${BINARY_NAME} PRIVATE flutter)
target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK)
# Run the Flutter tool portions of the build. This must not be removed.
add_dependencies(${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 "${INSTALL_BUNDLE_LIB_DIR}"
COMPONENT Runtime)
endforeach(bundled_library)
# Fully re-copy the assets directory on each build to avoid having stale files
# from a previous install.
set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
install(CODE "
file(REMOVE_RECURSE \"${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()
# 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}
)
//
// Generated file. Do not edit.
//
// clang-format off
#include "generated_plugin_registrant.h"
void fl_register_plugins(FlPluginRegistry* registry) {
}
//
// Generated file. Do not edit.
//
// clang-format off
#ifndef GENERATED_PLUGIN_REGISTRANT_
#define GENERATED_PLUGIN_REGISTRANT_
#include <flutter_linux/flutter_linux.h>
// Registers Flutter plugins.
void fl_register_plugins(FlPluginRegistry* registry);
#endif // GENERATED_PLUGIN_REGISTRANT_
#
# Generated file, do not edit.
#
list(APPEND FLUTTER_PLUGIN_LIST
)
list(APPEND FLUTTER_FFI_PLUGIN_LIST
)
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 $<TARGET_FILE:${plugin}_plugin>)
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)
#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);
}
// 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 "my_application.h"
#include <flutter_linux/flutter_linux.h>
#ifdef GDK_WINDOWING_X11
#include <gdk/gdkx.h>
#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)
// 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, "hello_world");
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, "hello_world");
}
gtk_window_set_default_size(window, 1280, 720);
gtk_widget_show(GTK_WIDGET(window));
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);
gtk_widget_show(GTK_WIDGET(view));
gtk_container_add(GTK_CONTAINER(window), 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 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_OBJECT_CLASS(klass)->dispose = my_application_dispose;
}
static void my_application_init(MyApplication* self) {}
MyApplication* my_application_new() {
return MY_APPLICATION(g_object_new(my_application_get_type(),
"application-id", APPLICATION_ID, "flags",
G_APPLICATION_NON_UNIQUE, nullptr));
}
// 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 FLUTTER_MY_APPLICATION_H_
#define FLUTTER_MY_APPLICATION_H_
#include <gtk/gtk.h>
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_
# Project-level configuration.
cmake_minimum_required(VERSION 3.10)
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 "platform_channel")
# The unique GTK application identifier for this application. See:
# https://wiki.gnome.org/HowDoI/ChooseApplicationID
set(APPLICATION_ID "io.flutter.examples.platform_channel")
# 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 "$<$<NOT:$<CONFIG:Debug>>:-O3>")
target_compile_definitions(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:NDEBUG>")
endfunction()
# Flutter library and tool build rules.
set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
add_subdirectory(${FLUTTER_MANAGED_DIR})
# System-level dependencies.
find_package(PkgConfig REQUIRED)
pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0 upower-glib)
add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}")
# Define the application target. To change its name, change BINARY_NAME above,
# 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(${BINARY_NAME})
# Add dependency libraries. Add any application-specific dependencies here.
target_link_libraries(${BINARY_NAME} PRIVATE flutter)
target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK)
# Run the Flutter tool portions of the build. This must not be removed.
add_dependencies(${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 "${INSTALL_BUNDLE_LIB_DIR}"
COMPONENT Runtime)
endforeach(bundled_library)
# Fully re-copy the assets directory on each build to avoid having stale files
# from a previous install.
set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
install(CODE "
file(REMOVE_RECURSE \"${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()
# 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}
)
//
// Generated file. Do not edit.
//
// clang-format off
#include "generated_plugin_registrant.h"
void fl_register_plugins(FlPluginRegistry* registry) {
}
//
// Generated file. Do not edit.
//
// clang-format off
#ifndef GENERATED_PLUGIN_REGISTRANT_
#define GENERATED_PLUGIN_REGISTRANT_
#include <flutter_linux/flutter_linux.h>
// Registers Flutter plugins.
void fl_register_plugins(FlPluginRegistry* registry);
#endif // GENERATED_PLUGIN_REGISTRANT_
#
# Generated file, do not edit.
#
list(APPEND FLUTTER_PLUGIN_LIST
)
list(APPEND FLUTTER_FFI_PLUGIN_LIST
)
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 $<TARGET_FILE:${plugin}_plugin>)
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)
#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);
}
// 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 "my_application.h"
#include <flutter_linux/flutter_linux.h>
#include <math.h>
#include <upower.h>
#ifdef GDK_WINDOWING_X11
#include <gdk/gdkx.h>
#endif
#include "flutter/generated_plugin_registrant.h"
struct _MyApplication {
GtkApplication parent_instance;
char** dart_entrypoint_arguments;
FlView* view;
// Connection to UPower.
UpClient* up_client;
GPtrArray* battery_devices;
// Channel for Dart code to request the battery information.
FlMethodChannel* battery_channel;
// Channel to send updates to Dart code about battery charging state.
FlEventChannel* charging_channel;
gchar* last_charge_event;
bool emit_charge_events;
};
G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION)
// Checks the charging state and emits an event if necessary.
static void update_charging_state(MyApplication* self) {
if (!self->emit_charge_events) {
return;
}
const gchar* charge_event = "discharging";
for (guint i = 0; i < self->battery_devices->len; i++) {
UpDevice* device =
static_cast<UpDevice*>(g_ptr_array_index(self->battery_devices, i));
guint state;
g_object_get(device, "state", &state, nullptr);
if (state == UP_DEVICE_STATE_CHARGING ||
state == UP_DEVICE_STATE_FULLY_CHARGED) {
charge_event = "charging";
}
}
if (g_strcmp0(charge_event, self->last_charge_event) != 0) {
g_autoptr(GError) error = nullptr;
g_autoptr(FlValue) value = fl_value_new_string(charge_event);
if (!fl_event_channel_send(self->charging_channel, value, nullptr,
&error)) {
g_warning("Failed to send charging event: %s", error->message);
return;
}
g_free(self->last_charge_event);
self->last_charge_event = g_strdup(charge_event);
}
}
// Called when a UPower device changes state.
static void up_device_state_changed_cb(MyApplication* self, GParamSpec* pspec,
UpDevice* device) {
update_charging_state(self);
}
// Called when UPower devices are added.
static void up_device_added_cb(MyApplication* self, UpDevice* device) {
// Listen for state changes from battery_devices.
guint kind;
g_object_get(device, "kind", &kind, nullptr);
if (kind == UP_DEVICE_KIND_BATTERY) {
g_ptr_array_add(self->battery_devices, g_object_ref(device));
g_signal_connect_swapped(device, "notify::state",
G_CALLBACK(up_device_state_changed_cb), self);
up_device_state_changed_cb(self, nullptr, device);
}
}
// Called when UPower devices are removed.
static void up_device_removed_cb(MyApplication* self, UpDevice* device) {
g_ptr_array_remove(self->battery_devices, device);
g_signal_handlers_disconnect_matched(
device, G_SIGNAL_MATCH_FUNC, 0, 0, nullptr,
reinterpret_cast<GClosure*>(up_device_state_changed_cb), nullptr);
}
// Gets the current battery level.
static FlMethodResponse* get_battery_level(MyApplication* self) {
// Find the first available battery and use that.
for (guint i = 0; i < self->battery_devices->len; i++) {
UpDevice* device =
static_cast<UpDevice*>(g_ptr_array_index(self->battery_devices, i));
double percentage;
g_object_get(device, "percentage", &percentage, nullptr);
g_autoptr(FlValue) result =
fl_value_new_int(static_cast<int64_t>(round(percentage)));
return FL_METHOD_RESPONSE(fl_method_success_response_new(result));
}
return FL_METHOD_RESPONSE(fl_method_error_response_new(
"NO_BATTERY", "Device does not have a battery.", nullptr));
}
// Called when the Dart code requests battery information.
static void battery_method_call_cb(FlMethodChannel* channel,
FlMethodCall* method_call,
gpointer user_data) {
MyApplication* self = static_cast<MyApplication*>(user_data);
g_autoptr(FlMethodResponse) response = nullptr;
if (strcmp(fl_method_call_get_name(method_call), "getBatteryLevel") == 0) {
response = get_battery_level(self);
} else {
response = FL_METHOD_RESPONSE(fl_method_not_implemented_response_new());
}
g_autoptr(GError) error = nullptr;
if (!fl_method_call_respond(method_call, response, &error)) {
g_warning("Failed to send response: %s", error->message);
}
}
// Called when the Dart code starts listening for charging events.
static FlMethodErrorResponse* charging_listen_cb(FlEventChannel* channel,
FlValue* args,
gpointer user_data) {
MyApplication* self = static_cast<MyApplication*>(user_data);
self->emit_charge_events = true;
update_charging_state(self);
return nullptr;
}
// Called when the Dart code stops listening for charging events.
static FlMethodErrorResponse* charging_cancel_cb(FlEventChannel* channel,
FlValue* args,
gpointer user_data) {
MyApplication* self = static_cast<MyApplication*>(user_data);
self->emit_charge_events = false;
return nullptr;
}
// Creates the platform channels this application provides.
static void create_channels(MyApplication* self) {
FlEngine* engine = fl_view_get_engine(self->view);
FlBinaryMessenger* messenger = fl_engine_get_binary_messenger(engine);
g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
self->battery_channel = fl_method_channel_new(
messenger, "samples.flutter.io/battery", FL_METHOD_CODEC(codec));
fl_method_channel_set_method_call_handler(
self->battery_channel, battery_method_call_cb, self, nullptr);
self->charging_channel = fl_event_channel_new(
messenger, "samples.flutter.io/charging", FL_METHOD_CODEC(codec));
fl_event_channel_set_stream_handlers(self->charging_channel,
charging_listen_cb, charging_cancel_cb,
self, nullptr);
}
// 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, "platform_channel");
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, "platform_channel");
}
gtk_window_set_default_size(window, 1280, 720);
gtk_widget_show(GTK_WIDGET(window));
g_autoptr(FlDartProject) project = fl_dart_project_new();
fl_dart_project_set_dart_entrypoint_arguments(
project, self->dart_entrypoint_arguments);
// Connect to UPower.
self->up_client = up_client_new();
g_signal_connect_swapped(self->up_client, "device-added",
G_CALLBACK(up_device_added_cb), self);
g_signal_connect_swapped(self->up_client, "device-removed",
G_CALLBACK(up_device_removed_cb), self);
g_autoptr(GPtrArray) devices = up_client_get_devices(self->up_client);
for (guint i = 0; i < devices->len; i++) {
g_autoptr(UpDevice) device =
static_cast<UpDevice*>(g_ptr_array_index(devices, i));
up_device_added_cb(self, device);
}
self->view = fl_view_new(project);
gtk_widget_show(GTK_WIDGET(self->view));
gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(self->view));
fl_register_plugins(FL_PLUGIN_REGISTRY(self->view));
// Create application specific platform channels.
create_channels(self);
gtk_widget_grab_focus(GTK_WIDGET(self->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 GObject::dispose.
static void my_application_dispose(GObject* object) {
MyApplication* self = MY_APPLICATION(object);
for (guint i = 0; i < self->battery_devices->len; i++) {
UpDevice* device =
static_cast<UpDevice*>(g_ptr_array_index(self->battery_devices, i));
g_signal_handlers_disconnect_matched(device, G_SIGNAL_MATCH_DATA, 0, 0,
nullptr, nullptr, self);
}
g_signal_handlers_disconnect_matched(self->up_client, G_SIGNAL_MATCH_DATA, 0,
0, nullptr, nullptr, self);
g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev);
g_clear_object(&self->up_client);
g_clear_object(&self->battery_devices);
g_clear_object(&self->battery_channel);
g_clear_object(&self->charging_channel);
g_clear_pointer(&self->last_charge_event, g_free);
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_OBJECT_CLASS(klass)->dispose = my_application_dispose;
}
static void my_application_init(MyApplication* self) {
self->battery_devices = g_ptr_array_new_with_free_func(g_object_unref);
}
MyApplication* my_application_new() {
return MY_APPLICATION(g_object_new(my_application_get_type(),
"application-id", APPLICATION_ID, "flags",
G_APPLICATION_NON_UNIQUE, nullptr));
}
// 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 FLUTTER_MY_APPLICATION_H_
#define FLUTTER_MY_APPLICATION_H_
#include <gtk/gtk.h>
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_
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