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// Copyright 2013 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_SHELL_PLATFORM_WINDOWS_FLUTTER_WINDOW_H_
#define FLUTTER_SHELL_PLATFORM_WINDOWS_FLUTTER_WINDOW_H_
#include <windowsx.h>
#include <iostream>
#include <string>
#include <vector>
#include "flutter/shell/platform/common/geometry.h"
#include "flutter/shell/platform/embedder/embedder.h"
#include "flutter/shell/platform/windows/flutter_windows_view.h"
#include "flutter/shell/platform/windows/window_binding_handler.h"
#include "flutter/shell/platform/windows/window_win32.h"
namespace flutter {
// A win32 flutter child window used as implementations for flutter view. In
// the future, there will likely be a CoreWindow-based FlutterWindow as well.
// At the point may make sense to dependency inject the native window rather
// than inherit.
class FlutterWindowWin32 : public WindowWin32, public WindowBindingHandler {
public:
// Create flutter Window for use as child window
FlutterWindowWin32(int width, int height);
virtual ~FlutterWindowWin32();
// |WindowWin32|
void OnDpiScale(unsigned int dpi) override;
// |WindowWin32|
void OnResize(unsigned int width, unsigned int height) override;
// |WindowWin32|
void OnPointerMove(double x,
double y,
FlutterPointerDeviceKind device_kind,
int32_t device_id) override;
// |WindowWin32|
void OnPointerDown(double x,
double y,
FlutterPointerDeviceKind device_kind,
int32_t device_id,
UINT button) override;
// |WindowWin32|
void OnPointerUp(double x,
double y,
FlutterPointerDeviceKind device_kind,
int32_t device_id,
UINT button) override;
// |WindowWin32|
void OnPointerLeave(FlutterPointerDeviceKind device_kind,
int32_t device_id) override;
// |WindowWin32|
void OnSetCursor() override;
// |WindowWin32|
void OnText(const std::u16string& text) override;
// |WindowWin32|
void OnKey(int key,
int scancode,
int action,
char32_t character,
bool extended,
bool was_down,
KeyEventCallback callback) override;
// |WindowWin32|
void OnComposeBegin() override;
// |WindowWin32|
void OnComposeCommit() override;
// |WindowWin32|
void OnComposeEnd() override;
// |WindowWin32|
void OnComposeChange(const std::u16string& text, int cursor_pos) override;
// |FlutterWindowBindingHandler|
void OnCursorRectUpdated(const Rect& rect) override;
// |FlutterWindowBindingHandler|
void OnResetImeComposing() override;
// |WindowWin32|
void OnUpdateSemanticsEnabled(bool enabled) override;
// |WindowWin32|
void OnScroll(double delta_x,
double delta_y,
FlutterPointerDeviceKind device_kind,
int32_t device_id) override;
// |WindowWin32|
gfx::NativeViewAccessible GetNativeViewAccessible() override;
// |FlutterWindowBindingHandler|
void SetView(WindowBindingHandlerDelegate* view) override;
// |FlutterWindowBindingHandler|
WindowsRenderTarget GetRenderTarget() override;
// |FlutterWindowBindingHandler|
PlatformWindow GetPlatformWindow() override;
// |FlutterWindowBindingHandler|
float GetDpiScale() override;
// |FlutterWindowBindingHandler|
bool IsVisible() override;
// |FlutterWindowBindingHandler|
PhysicalWindowBounds GetPhysicalWindowBounds() override;
// |FlutterWindowBindingHandler|
void UpdateFlutterCursor(const std::string& cursor_name) override;
// |FlutterWindowBindingHandler|
void OnWindowResized() override;
// |FlutterWindowBindingHandler|
bool OnBitmapSurfaceUpdated(const void* allocation,
size_t row_bytes,
size_t height) override;
private:
// A pointer to a FlutterWindowsView that can be used to update engine
// windowing and input state.
WindowBindingHandlerDelegate* binding_handler_delegate_;
// The last cursor set by Flutter. Defaults to the arrow cursor.
HCURSOR current_cursor_;
// The cursor rect set by Flutter.
RECT cursor_rect_;
};
} // namespace flutter
#endif // FLUTTER_SHELL_PLATFORM_WINDOWS_FLUTTER_WINDOW_H_