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https://github.com/krille-chan/fluffychat
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- display a bottom sheet with widgets - open widgets in a browser - fixes in .gitignore - Windows UWP build files Signed-off-by: TheOneWithTheBraid <the-one@with-the-braid.cf>
270 lines
11 KiB
C
270 lines
11 KiB
C
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_SHELL_PLATFORM_WINDOWS_PUBLIC_FLUTTER_H_
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#define FLUTTER_SHELL_PLATFORM_WINDOWS_PUBLIC_FLUTTER_H_
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#include <stddef.h>
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#include <stdint.h>
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#include <windows.h>
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#include "flutter_export.h"
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#include "flutter_messenger.h"
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#include "flutter_plugin_registrar.h"
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#ifdef WINUWP
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#include <windows.applicationmodel.activation.h>
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#include <windows.ui.core.h>
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#endif
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#if defined(__cplusplus)
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extern "C" {
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#endif
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// Opaque reference to a Flutter window controller.
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typedef struct FlutterDesktopViewControllerState*
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FlutterDesktopViewControllerRef;
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// Opaque reference to a Flutter window.
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struct FlutterDesktopView;
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typedef struct FlutterDesktopView* FlutterDesktopViewRef;
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// Opaque reference to a Flutter engine instance.
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struct FlutterDesktopEngine;
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typedef struct FlutterDesktopEngine* FlutterDesktopEngineRef;
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// Properties for configuring a Flutter engine instance.
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typedef struct {
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// The path to the flutter_assets folder for the application to be run.
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// This can either be an absolute path or a path relative to the directory
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// containing the executable.
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const wchar_t* assets_path;
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// The path to the icudtl.dat file for the version of Flutter you are using.
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// This can either be an absolute path or a path relative to the directory
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// containing the executable.
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const wchar_t* icu_data_path;
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// The path to the AOT library file for your application, if any.
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// This can either be an absolute path or a path relative to the directory
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// containing the executable. This can be nullptr for a non-AOT build, as
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// it will be ignored in that case.
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const wchar_t* aot_library_path;
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// Number of elements in the array passed in as dart_entrypoint_argv.
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int dart_entrypoint_argc;
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// Array of Dart entrypoint arguments. This is deep copied during the call
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// to FlutterDesktopEngineCreate.
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const char** dart_entrypoint_argv;
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} FlutterDesktopEngineProperties;
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// ========== View Controller ==========
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// Creates a view that hosts and displays the given engine instance.
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//
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// This takes ownership of |engine|, so FlutterDesktopEngineDestroy should no
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// longer be called on it, as it will be called internally when the view
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// controller is destroyed. If creating the view controller fails, the engine
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// will be destroyed immediately.
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//
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// If |engine| is not already running, the view controller will start running
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// it automatically before displaying the window.
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//
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// The caller owns the returned reference, and is responsible for calling
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// FlutterDesktopViewControllerDestroy. Returns a null pointer in the event of
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// an error.
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#ifdef WINUWP
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// The CoreApplicationView implementation accepts a pointer to the host
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// CoreApplicationView and view hookup is performed in the construction path.
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FLUTTER_EXPORT FlutterDesktopViewControllerRef
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FlutterDesktopViewControllerCreateFromCoreApplicationView(
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ABI::Windows::ApplicationModel::Core::CoreApplicationView* window,
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ABI::Windows::ApplicationModel::Activation::IActivatedEventArgs* args,
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FlutterDesktopEngineRef engine);
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#else //! WINUWP
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// The Win32 implementation accepts width, height
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// with view hookup explicitly performed using the caller using HWND parenting.
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FLUTTER_EXPORT FlutterDesktopViewControllerRef
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FlutterDesktopViewControllerCreate(int width,
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int height,
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FlutterDesktopEngineRef engine);
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#endif
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// Shuts down the engine instance associated with |controller|, and cleans up
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// associated state.
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//
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// |controller| is no longer valid after this call.
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FLUTTER_EXPORT void FlutterDesktopViewControllerDestroy(
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FlutterDesktopViewControllerRef controller);
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// Returns the handle for the engine running in FlutterDesktopViewControllerRef.
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//
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// Its lifetime is the same as the |controller|'s.
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FLUTTER_EXPORT FlutterDesktopEngineRef FlutterDesktopViewControllerGetEngine(
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FlutterDesktopViewControllerRef controller);
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// Returns the view managed by the given controller.
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FLUTTER_EXPORT FlutterDesktopViewRef
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FlutterDesktopViewControllerGetView(FlutterDesktopViewControllerRef controller);
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// Requests new frame from engine and repaints the view
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FLUTTER_EXPORT void FlutterDesktopViewControllerForceRedraw(
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FlutterDesktopViewControllerRef controller);
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#ifndef WINUWP
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// Allows the Flutter engine and any interested plugins an opportunity to
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// handle the given message.
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//
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// If the WindowProc was handled and further handling should stop, this returns
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// true and |result| will be populated. |result| is not set if returning false.
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FLUTTER_EXPORT bool FlutterDesktopViewControllerHandleTopLevelWindowProc(
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FlutterDesktopViewControllerRef controller,
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HWND hwnd,
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UINT message,
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WPARAM wparam,
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LPARAM lparam,
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LRESULT* result);
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#endif
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// ========== Engine ==========
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// Creates a Flutter engine with the given properties.
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//
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// The caller owns the returned reference, and is responsible for calling
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// FlutterDesktopEngineDestroy. The lifetime of |engine_properties| is required
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// to extend only until the end of this call.
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FLUTTER_EXPORT FlutterDesktopEngineRef FlutterDesktopEngineCreate(
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const FlutterDesktopEngineProperties* engine_properties);
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// Shuts down and destroys the given engine instance. Returns true if the
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// shutdown was successful, or if the engine was not running.
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//
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// |engine| is no longer valid after this call.
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FLUTTER_EXPORT bool FlutterDesktopEngineDestroy(FlutterDesktopEngineRef engine);
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// Starts running the given engine instance and optional entry point in the Dart
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// project. If the entry point is null, defaults to main().
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//
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// If provided, entry_point must be the name of a top-level function from the
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// same Dart library that contains the app's main() function, and must be
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// decorated with `@pragma(vm:entry-point)` to ensure the method is not
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// tree-shaken by the Dart compiler.
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//
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// Returns false if running the engine failed.
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FLUTTER_EXPORT bool FlutterDesktopEngineRun(FlutterDesktopEngineRef engine,
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const char* entry_point);
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#ifndef WINUWP
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// DEPRECATED: This is no longer necessary to call, Flutter will take care of
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// processing engine messages transparently through DispatchMessage.
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//
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// Processes any pending events in the Flutter engine, and returns the
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// number of nanoseconds until the next scheduled event (or max, if none).
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//
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// This should be called on every run of the application-level runloop, and
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// a wait for native events in the runloop should never be longer than the
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// last return value from this function.
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FLUTTER_EXPORT uint64_t
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FlutterDesktopEngineProcessMessages(FlutterDesktopEngineRef engine);
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#endif
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FLUTTER_EXPORT void FlutterDesktopEngineReloadSystemFonts(
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FlutterDesktopEngineRef engine);
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FLUTTER_EXPORT void FlutterDesktopEngineReloadPlatformBrightness(
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FlutterDesktopEngineRef engine);
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// Returns the plugin registrar handle for the plugin with the given name.
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//
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// The name must be unique across the application.
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FLUTTER_EXPORT FlutterDesktopPluginRegistrarRef
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FlutterDesktopEngineGetPluginRegistrar(FlutterDesktopEngineRef engine,
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const char* plugin_name);
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// Returns the messenger associated with the engine.
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FLUTTER_EXPORT FlutterDesktopMessengerRef
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FlutterDesktopEngineGetMessenger(FlutterDesktopEngineRef engine);
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// Returns the texture registrar associated with the engine.
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FLUTTER_EXPORT FlutterDesktopTextureRegistrarRef
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FlutterDesktopEngineGetTextureRegistrar(
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FlutterDesktopTextureRegistrarRef texture_registrar);
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// ========== View ==========
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#ifdef WINUWP
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// Return backing CoreApplicationView for manipulation of CoreWindow and
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// CoreTitleBar in host application.
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FLUTTER_EXPORT ABI::Windows::ApplicationModel::Core::CoreApplicationView*
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FlutterDesktopViewGetCoreApplicationView(FlutterDesktopViewRef view);
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#else
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// Return backing HWND for manipulation in host application.
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FLUTTER_EXPORT HWND FlutterDesktopViewGetHWND(FlutterDesktopViewRef view);
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#endif
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// ========== Plugin Registrar (extensions) ==========
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// These are Windows-specific extensions to flutter_plugin_registrar.h
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// Function pointer type for top level WindowProc delegate registration.
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//
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// The user data will be whatever was passed to
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// FlutterDesktopRegisterTopLevelWindowProcHandler.
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//
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// Implementations should populate |result| and return true if the WindowProc
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// was handled and further handling should stop. |result| is ignored if the
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// function returns false.
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typedef bool (*FlutterDesktopWindowProcCallback)(HWND /* hwnd */,
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UINT /* uMsg */,
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WPARAM /*wParam*/,
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LPARAM /* lParam*/,
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void* /* user data */,
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LRESULT* result);
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// Returns the view associated with this registrar's engine instance.
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FLUTTER_EXPORT FlutterDesktopViewRef FlutterDesktopPluginRegistrarGetView(
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FlutterDesktopPluginRegistrarRef registrar);
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#ifndef WINUWP
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FLUTTER_EXPORT void
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FlutterDesktopPluginRegistrarRegisterTopLevelWindowProcDelegate(
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FlutterDesktopPluginRegistrarRef registrar,
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FlutterDesktopWindowProcCallback delegate,
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void* user_data);
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FLUTTER_EXPORT void
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FlutterDesktopPluginRegistrarUnregisterTopLevelWindowProcDelegate(
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FlutterDesktopPluginRegistrarRef registrar,
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FlutterDesktopWindowProcCallback delegate);
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#endif
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// ========== Freestanding Utilities ==========
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// Gets the DPI for a given |hwnd|, depending on the supported APIs per
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// windows version and DPI awareness mode. If nullptr is passed, returns the DPI
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// of the primary monitor.
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//
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// This uses the same logic and fallback for older Windows versions that is used
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// internally by Flutter to determine the DPI to use for displaying Flutter
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// content, so should be used by any code (e.g., in plugins) that translates
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// between Windows and Dart sizes/offsets.
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FLUTTER_EXPORT UINT FlutterDesktopGetDpiForHWND(HWND hwnd);
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// Gets the DPI for a given |monitor|. If the API is not available, a default
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// DPI of 96 is returned.
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//
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// See FlutterDesktopGetDpiForHWND for more information.
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FLUTTER_EXPORT UINT FlutterDesktopGetDpiForMonitor(HMONITOR monitor);
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// Reopens stdout and stderr and resysncs the standard library output streams.
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// Should be called if output is being directed somewhere in the runner process
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// (e.g., after an AllocConsole call).
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FLUTTER_EXPORT void FlutterDesktopResyncOutputStreams();
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#if defined(__cplusplus)
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} // extern "C"
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#endif
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#endif // FLUTTER_SHELL_PLATFORM_WINDOWS_PUBLIC_FLUTTER_WINDOWS_H_
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