mirror of
https://github.com/encounter/engine.git
synced 2026-03-30 11:09:55 -07:00
James Clarke
ff484d4f69
Start work on flutter/flutter#30726 by adding an alternative win32 shell platform implementation for Windows that is not based on GLFW and that uses LIBANGLE for rendering and native win32 windowing and input. This change does not replace the GLFW implementation but rather runs side by side with it producing a secondary flutter_windows_win32.dll artifact. The following items must be added to attain parity with the GLFW implementation: - Custom task scheduling - Support for keyboard modifier keys - Async texture uploads - Correct high DPI handling on Windows versions < 1703 and will be added in subsequent changes.
65 lines
2.2 KiB
C++
65 lines
2.2 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_TEXT_INPUT_PLUGIN_H_
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#define FLUTTER_SHELL_PLATFORM_WINDOWS_TEXT_INPUT_PLUGIN_H_
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#include <map>
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#include <memory>
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#include "flutter/shell/platform/common/cpp/client_wrapper/include/flutter/binary_messenger.h"
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#include "flutter/shell/platform/common/cpp/client_wrapper/include/flutter/method_channel.h"
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#include "flutter/shell/platform/common/cpp/text_input_model.h"
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#include "flutter/shell/platform/windows/keyboard_hook_handler.h"
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#include "flutter/shell/platform/windows/public/flutter_windows.h"
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namespace flutter {
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class Win32FlutterWindow;
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// Implements a text input plugin.
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//
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// Specifically handles window events within windows.
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class TextInputPlugin : public KeyboardHookHandler {
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public:
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explicit TextInputPlugin(flutter::BinaryMessenger* messenger);
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virtual ~TextInputPlugin();
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// |KeyboardHookHandler|
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void KeyboardHook(Win32FlutterWindow* window,
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int key,
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int scancode,
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int action,
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int mods) override;
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// |KeyboardHookHandler|
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void CharHook(Win32FlutterWindow* window, unsigned int code_point) override;
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private:
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// Sends the current state of the given model to the Flutter engine.
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void SendStateUpdate(const TextInputModel& model);
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// Sends an action triggered by the Enter key to the Flutter engine.
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void EnterPressed(TextInputModel* model);
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// Called when a method is called on |channel_|;
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void HandleMethodCall(
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const flutter::MethodCall<rapidjson::Document>& method_call,
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std::unique_ptr<flutter::MethodResult<rapidjson::Document>> result);
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// The MethodChannel used for communication with the Flutter engine.
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std::unique_ptr<flutter::MethodChannel<rapidjson::Document>> channel_;
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// Mapping of client IDs to text input models.
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std::map<int, std::unique_ptr<TextInputModel>> input_models_;
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// The active model. nullptr if not set.
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TextInputModel* active_model_;
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};
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} // namespace flutter
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#endif // FLUTTER_SHELL_PLATFORM_WINDOWS_TEXT_INPUT_PLUGIN_H_
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