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flutter_window.h
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef FLUTTER_SHELL_PLATFORM_WINDOWS_FLUTTER_WINDOW_H_
6 #define FLUTTER_SHELL_PLATFORM_WINDOWS_FLUTTER_WINDOW_H_
7
8 #include <string>
9 #include <vector>
10
11 #include "flutter/fml/macros.h"
12 #include "flutter/shell/platform/common/alert_platform_node_delegate.h"
13 #include "flutter/shell/platform/common/geometry.h"
14 #include "flutter/shell/platform/embedder/embedder.h"
15 #include "flutter/shell/platform/windows/direct_manipulation.h"
16 #include "flutter/shell/platform/windows/flutter_windows_view.h"
17 #include "flutter/shell/platform/windows/keyboard_manager.h"
18 #include "flutter/shell/platform/windows/sequential_id_generator.h"
19 #include "flutter/shell/platform/windows/text_input_manager.h"
20 #include "flutter/shell/platform/windows/window_binding_handler.h"
21 #include "flutter/shell/platform/windows/windows_lifecycle_manager.h"
22 #include "flutter/shell/platform/windows/windows_proc_table.h"
23 #include "flutter/shell/platform/windows/windowsx_shim.h"
24 #include "flutter/third_party/accessibility/ax/platform/ax_fragment_root_delegate_win.h"
25 #include "flutter/third_party/accessibility/ax/platform/ax_fragment_root_win.h"
26 #include "flutter/third_party/accessibility/ax/platform/ax_platform_node_win.h"
27 #include "flutter/third_party/accessibility/gfx/native_widget_types.h"
28
29 namespace flutter {
30
31 // A win32 flutter child window used as implementations for flutter view. In
32 // the future, there will likely be a CoreWindow-based FlutterWindow as well.
33 // At the point may make sense to dependency inject the native window rather
34 // than inherit.
35 class FlutterWindow : public KeyboardManager::WindowDelegate,
36 public WindowBindingHandler {
37 public:
38 // Create flutter Window for use as child window
39 FlutterWindow(int width,
40 int height,
41 std::shared_ptr<WindowsProcTable> windows_proc_table = nullptr,
42 std::unique_ptr<TextInputManager> text_input_manager = nullptr);
43
44 virtual ~FlutterWindow();
45
46 // Initializes as a child window with size using |width| and |height| and
47 // |title| to identify the windowclass. Does not show window, window must be
48 // parented into window hierarchy by caller.
49 void InitializeChild(const char* title,
50 unsigned int width,
51 unsigned int height);
52
53 // |KeyboardManager::WindowDelegate|
54 virtual BOOL Win32PeekMessage(LPMSG lpMsg,
55 UINT wMsgFilterMin,
56 UINT wMsgFilterMax,
57 UINT wRemoveMsg) override;
58
59 // |KeyboardManager::WindowDelegate|
60 virtual uint32_t Win32MapVkToChar(uint32_t virtual_key) override;
61
62 // |KeyboardManager::WindowDelegate|
63 virtual UINT Win32DispatchMessage(UINT Msg,
64 WPARAM wParam,
65 LPARAM lParam) override;
66
67 // Called when the DPI changes either when a
68 // user drags the window between monitors of differing DPI or when the user
69 // manually changes the scale factor.
70 virtual void OnDpiScale(unsigned int dpi);
71
72 // Called when a resize occurs.
73 virtual void OnResize(unsigned int width, unsigned int height);
74
75 // Called when a paint is requested.
76 virtual void OnPaint();
77
78 // Called when the pointer moves within the
79 // window bounds.
80 virtual void OnPointerMove(double x,
81 double y,
82 FlutterPointerDeviceKind device_kind,
83 int32_t device_id,
84 int modifiers_state);
85
86 // Called when the a mouse button, determined by |button|, goes down.
87 virtual void OnPointerDown(double x,
88 double y,
89 FlutterPointerDeviceKind device_kind,
90 int32_t device_id,
91 UINT button);
92
93 // Called when the a mouse button, determined by |button|, goes from
94 // down to up
95 virtual void OnPointerUp(double x,
96 double y,
97 FlutterPointerDeviceKind device_kind,
98 int32_t device_id,
99 UINT button);
100
101 // Called when the mouse leaves the window.
102 virtual void OnPointerLeave(double x,
103 double y,
104 FlutterPointerDeviceKind device_kind,
105 int32_t device_id);
106
107 // |WindowBindingHandlerDelegate|
108 virtual void OnText(const std::u16string& text) override;
109
110 // |WindowBindingHandlerDelegate|
111 virtual void OnKey(int key,
112 int scancode,
113 int action,
114 char32_t character,
115 bool extended,
116 bool was_down,
117 KeyEventCallback callback) override;
118
119 // Called when IME composing begins.
120 virtual void OnComposeBegin();
121
122 // Called when IME composing text is committed.
123 virtual void OnComposeCommit();
124
125 // Called when IME composing ends.
126 virtual void OnComposeEnd();
127
128 // Called when IME composing text or cursor position changes.
129 virtual void OnComposeChange(const std::u16string& text, int cursor_pos);
130
131 // |FlutterWindowBindingHandler|
132 virtual void OnCursorRectUpdated(const Rect& rect) override;
133
134 // |FlutterWindowBindingHandler|
135 virtual void OnResetImeComposing() override;
136
137 // Called when accessibility support is enabled or disabled.
138 virtual void OnUpdateSemanticsEnabled(bool enabled);
139
140 // Called when mouse scrollwheel input occurs.
141 virtual void OnScroll(double delta_x,
142 double delta_y,
143 FlutterPointerDeviceKind device_kind,
144 int32_t device_id);
145
146 // Returns the root view accessibility node, or nullptr if none.
147 virtual gfx::NativeViewAccessible GetNativeViewAccessible();
148
149 // |FlutterWindowBindingHandler|
150 virtual void SetView(WindowBindingHandlerDelegate* view) override;
151
152 // |FlutterWindowBindingHandler|
153 virtual HWND GetWindowHandle() override;
154
155 // |FlutterWindowBindingHandler|
156 virtual float GetDpiScale() override;
157
158 // |FlutterWindowBindingHandler|
159 virtual PhysicalWindowBounds GetPhysicalWindowBounds() override;
160
161 // |FlutterWindowBindingHandler|
162 virtual bool OnBitmapSurfaceCleared() override;
163
164 // |FlutterWindowBindingHandler|
165 virtual bool OnBitmapSurfaceUpdated(const void* allocation,
166 size_t row_bytes,
167 size_t height) override;
168
169 // |FlutterWindowBindingHandler|
170 virtual PointerLocation GetPrimaryPointerLocation() override;
171
172 // Called when a theme change message is issued.
173 virtual void OnThemeChange();
174
175 // |WindowBindingHandler|
176 virtual AlertPlatformNodeDelegate* GetAlertDelegate() override;
177
178 // |WindowBindingHandler|
179 virtual ui::AXPlatformNodeWin* GetAlert() override;
180
181 // [WindowBindingHandler]
182 virtual bool Focus() override;
183
184 // Called to obtain a pointer to the fragment root delegate.
185 virtual ui::AXFragmentRootDelegateWin* GetAxFragmentRootDelegate();
186
187 // Called on a resize or focus event.
188 virtual void OnWindowStateEvent(WindowStateEvent event);
189
190 protected:
191 // Base constructor for mocks.
192 FlutterWindow();
193
194 // Win32's DefWindowProc.
195 //
196 // Used as the fallback behavior of HandleMessage. Exposed for dependency
197 // injection.
198 virtual LRESULT Win32DefWindowProc(HWND hWnd,
199 UINT Msg,
200 WPARAM wParam,
201 LPARAM lParam);
202
203 // Converts a c string to a wide unicode string.
204 std::wstring NarrowToWide(const char* source);
205
206 // Processes and route salient window messages for mouse handling,
207 // size change and DPI. Delegates handling of these to member overloads that
208 // inheriting classes can handle.
209 LRESULT HandleMessage(UINT const message,
210 WPARAM const wparam,
211 LPARAM const lparam) noexcept;
212
213 // Called when the OS requests a COM object.
214 //
215 // The primary use of this function is to supply Windows with wrapped
216 // semantics objects for use by Windows accessibility.
217 virtual LRESULT OnGetObject(UINT const message,
218 WPARAM const wparam,
219 LPARAM const lparam);
220
221 // Called when a window is activated in order to configure IME support for
222 // multi-step text input.
223 virtual void OnImeSetContext(UINT const message,
224 WPARAM const wparam,
225 LPARAM const lparam);
226
227 // Called when multi-step text input begins when using an IME.
228 virtual void OnImeStartComposition(UINT const message,
229 WPARAM const wparam,
230 LPARAM const lparam);
231
232 // Called when edits/commit of multi-step text input occurs when using an IME.
233 virtual void OnImeComposition(UINT const message,
234 WPARAM const wparam,
235 LPARAM const lparam);
236
237 // Called when multi-step text input ends when using an IME.
238 virtual void OnImeEndComposition(UINT const message,
239 WPARAM const wparam,
240 LPARAM const lparam);
241
242 // Called when the user triggers an IME-specific request such as input
243 // reconversion, where an existing input sequence is returned to composing
244 // mode to select an alternative candidate conversion.
245 virtual void OnImeRequest(UINT const message,
246 WPARAM const wparam,
247 LPARAM const lparam);
248
249 // Called when the app ends IME composing, such as when the text input client
250 // is cleared or changed.
251 virtual void AbortImeComposing();
252
253 // Called when the cursor rect has been updated.
254 //
255 // |rect| is in Win32 window coordinates.
256 virtual void UpdateCursorRect(const Rect& rect);
257
258 UINT GetCurrentDPI();
259
260 UINT GetCurrentWidth();
261
262 UINT GetCurrentHeight();
263
264 // Returns the current pixel per scroll tick value.
265 virtual float GetScrollOffsetMultiplier();
266
267 // Delegate to a alert_node_ used to set the announcement text.
268 std::unique_ptr<AlertPlatformNodeDelegate> alert_delegate_;
269
270 // Accessibility node that represents an alert.
271 std::unique_ptr<ui::AXPlatformNodeWin> alert_node_;
272
273 // Handles running DirectManipulation on the window to receive trackpad
274 // gestures.
275 std::unique_ptr<DirectManipulationOwner> direct_manipulation_owner_;
276
277 private:
278 // OS callback called by message pump. Handles the WM_NCCREATE message which
279 // is passed when the non-client area is being created and enables automatic
280 // non-client DPI scaling so that the non-client area automatically
281 // responsponds to changes in DPI. All other messages are handled by
282 // MessageHandler.
283 static LRESULT CALLBACK WndProc(HWND const window,
284 UINT const message,
285 WPARAM const wparam,
286 LPARAM const lparam) noexcept;
287
288 // WM_DPICHANGED_BEFOREPARENT defined in more recent Windows
289 // SDK
290 static const long kWmDpiChangedBeforeParent = 0x02E2;
291
292 // Timer identifier for DirectManipulation gesture polling.
293 static const int kDirectManipulationTimer = 1;
294
295 // Release OS resources associated with the window.
296 void Destroy();
297
298 // Registers a window class with default style attributes, cursor and
299 // icon.
300 WNDCLASS RegisterWindowClass(std::wstring& title);
301
302 // Retrieves a class instance pointer for |window|
303 static FlutterWindow* GetThisFromHandle(HWND const window) noexcept;
304
305 // Activates tracking for a "mouse leave" event.
306 void TrackMouseLeaveEvent(HWND hwnd);
307
308 // Stores new width and height and calls |OnResize| to notify inheritors
309 void HandleResize(UINT width, UINT height);
310
311 // Updates the cached scroll_offset_multiplier_ value based off OS settings.
312 void UpdateScrollOffsetMultiplier();
313
314 // Creates the ax_fragment_root_, alert_delegate_ and alert_node_ if they do
315 // not yet exist.
316 // Once set, they are not reset to nullptr.
317 void CreateAxFragmentRoot();
318
319 // A pointer to a FlutterWindowsView that can be used to update engine
320 // windowing and input state.
321 WindowBindingHandlerDelegate* binding_handler_delegate_ = nullptr;
322
323 // The cursor rect set by Flutter.
324 RECT cursor_rect_;
325
326 // The window receives resize and focus messages before its view is set, so
327 // these values cache the state of the window in the meantime so that the
328 // proper application lifecycle state can be updated once the view is set.
329 bool restored_ = false;
330 bool focused_ = false;
331
332 int current_dpi_ = 0;
333 int current_width_ = 0;
334 int current_height_ = 0;
335
336 // Holds the conversion factor from lines scrolled to pixels scrolled.
337 float scroll_offset_multiplier_;
338
339 // Member variable to hold window handle.
340 HWND window_handle_ = nullptr;
341
342 // Member variable to hold the window title.
343 std::wstring window_class_name_;
344
345 // Set to true to be notified when the mouse leaves the window.
346 bool tracking_mouse_leave_ = false;
347
348 // Keeps track of the last key code produced by a WM_KEYDOWN or WM_SYSKEYDOWN
349 // message.
350 int keycode_for_char_message_ = 0;
351
352 // Keeps track of the last mouse coordinates by a WM_MOUSEMOVE message.
353 double mouse_x_ = 0;
354 double mouse_y_ = 0;
355
356 // Generates touch point IDs for touch events.
357 SequentialIdGenerator touch_id_generator_;
358
359 // Abstracts Windows APIs that may not be available on all supported versions
360 // of Windows.
361 std::shared_ptr<WindowsProcTable> windows_proc_table_;
362
363 // Manages IME state.
364 std::unique_ptr<TextInputManager> text_input_manager_;
365
366 // Manages IME state.
367 std::unique_ptr<KeyboardManager> keyboard_manager_;
368
369 // Used for temporarily storing the WM_TOUCH-provided touch points.
370 std::vector<TOUCHINPUT> touch_points_;
371
372 // Implements IRawElementProviderFragmentRoot when UIA is enabled.
373 std::unique_ptr<ui::AXFragmentRootWin> ax_fragment_root_;
374
375 // Allow WindowAXFragmentRootDelegate to access protected method.
376 friend class WindowAXFragmentRootDelegate;
377
378 FML_DISALLOW_COPY_AND_ASSIGN(FlutterWindow);
379 };
380
381 } // namespace flutter
382
383 #endif // FLUTTER_SHELL_PLATFORM_WINDOWS_FLUTTER_WINDOW_H_
alert_platform_node_delegate.h
flutter::AlertPlatformNodeDelegate
Definition: alert_platform_node_delegate.h:18
flutter::FlutterWindow
Definition: flutter_window.h:36
flutter::FlutterWindow::OnCursorRectUpdated
virtual void OnCursorRectUpdated(const Rect &rect) override
Definition: flutter_window.cc:256
flutter::FlutterWindow::OnPointerLeave
virtual void OnPointerLeave(double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id)
Definition: flutter_window.cc:200
flutter::FlutterWindow::FlutterWindow
FlutterWindow()
Definition: flutter_window.cc:107
flutter::FlutterWindow::GetScrollOffsetMultiplier
virtual float GetScrollOffsetMultiplier()
Definition: flutter_window.cc:893
flutter::FlutterWindow::Focus
virtual bool Focus() override
Definition: flutter_window.cc:135
flutter::FlutterWindow::GetAlert
virtual ui::AXPlatformNodeWin * GetAlert() override
Definition: flutter_window.cc:321
flutter::FlutterWindow::OnText
virtual void OnText(const std::u16string &text) override
Definition: flutter_window.cc:207
flutter::FlutterWindow::Win32DispatchMessage
virtual UINT Win32DispatchMessage(UINT Msg, WPARAM wParam, LPARAM lParam) override
Definition: flutter_window.cc:446
flutter::FlutterWindow::Win32PeekMessage
virtual BOOL Win32PeekMessage(LPMSG lpMsg, UINT wMsgFilterMin, UINT wMsgFilterMax, UINT wRemoveMsg) override
Definition: flutter_window.cc:434
flutter::FlutterWindow::OnThemeChange
virtual void OnThemeChange()
Definition: flutter_window.cc:308
flutter::FlutterWindow::alert_delegate_
std::unique_ptr< AlertPlatformNodeDelegate > alert_delegate_
Definition: flutter_window.h:268
flutter::FlutterWindow::OnBitmapSurfaceUpdated
virtual bool OnBitmapSurfaceUpdated(const void *allocation, size_t row_bytes, size_t height) override
Definition: flutter_window.cc:275
flutter::FlutterWindow::OnImeRequest
virtual void OnImeRequest(UINT const message, WPARAM const wparam, LPARAM const lparam)
Definition: flutter_window.cc:865
flutter::FlutterWindow::Win32DefWindowProc
virtual LRESULT Win32DefWindowProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
Definition: flutter_window.cc:897
flutter::FlutterWindow::OnImeStartComposition
virtual void OnImeStartComposition(UINT const message, WPARAM const wparam, LPARAM const lparam)
Definition: flutter_window.cc:816
flutter::FlutterWindow::NarrowToWide
std::wstring NarrowToWide(const char *source)
Definition: flutter_window.cc:452
flutter::FlutterWindow::GetAxFragmentRootDelegate
virtual ui::AXFragmentRootDelegateWin * GetAxFragmentRootDelegate()
Definition: flutter_window.cc:312
flutter::FlutterWindow::OnScroll
virtual void OnScroll(double delta_x, double delta_y, FlutterPointerDeviceKind device_kind, int32_t device_id)
Definition: flutter_window.cc:243
flutter::FlutterWindow::OnPointerUp
virtual void OnPointerUp(double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id, UINT button)
Definition: flutter_window.cc:187
flutter::FlutterWindow::InitializeChild
void InitializeChild(const char *title, unsigned int width, unsigned int height)
Definition: flutter_window.cc:395
flutter::FlutterWindow::OnPaint
virtual void OnPaint()
Definition: flutter_window.cc:159
flutter::FlutterWindow::GetAlertDelegate
virtual AlertPlatformNodeDelegate * GetAlertDelegate() override
Definition: flutter_window.cc:316
flutter::FlutterWindow::direct_manipulation_owner_
std::unique_ptr< DirectManipulationOwner > direct_manipulation_owner_
Definition: flutter_window.h:275
flutter::FlutterWindow::GetWindowHandle
virtual HWND GetWindowHandle() override
Definition: flutter_window.cc:430
flutter::FlutterWindow::WindowAXFragmentRootDelegate
friend class WindowAXFragmentRootDelegate
Definition: flutter_window.h:376
flutter::FlutterWindow::OnPointerDown
virtual void OnPointerDown(double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id, UINT button)
Definition: flutter_window.cc:174
flutter::FlutterWindow::GetCurrentWidth
UINT GetCurrentWidth()
Definition: flutter_window.cc:885
flutter::FlutterWindow::OnComposeCommit
virtual void OnComposeCommit()
Definition: flutter_window.cc:226
flutter::FlutterWindow::UpdateCursorRect
virtual void UpdateCursorRect(const Rect &rect)
Definition: flutter_window.cc:877
flutter::FlutterWindow::GetPhysicalWindowBounds
virtual PhysicalWindowBounds GetPhysicalWindowBounds() override
Definition: flutter_window.cc:131
flutter::FlutterWindow::OnImeSetContext
virtual void OnImeSetContext(UINT const message, WPARAM const wparam, LPARAM const lparam)
Definition: flutter_window.cc:808
flutter::FlutterWindow::OnWindowStateEvent
virtual void OnWindowStateEvent(WindowStateEvent event)
Definition: flutter_window.cc:326
flutter::FlutterWindow::OnKey
virtual void OnKey(int key, int scancode, int action, char32_t character, bool extended, bool was_down, KeyEventCallback callback) override
Definition: flutter_window.cc:211
flutter::FlutterWindow::OnPointerMove
virtual void OnPointerMove(double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id, int modifiers_state)
Definition: flutter_window.cc:165
flutter::FlutterWindow::alert_node_
std::unique_ptr< ui::AXPlatformNodeWin > alert_node_
Definition: flutter_window.h:271
flutter::FlutterWindow::GetPrimaryPointerLocation
virtual PointerLocation GetPrimaryPointerLocation() override
Definition: flutter_window.cc:301
flutter::FlutterWindow::GetCurrentHeight
UINT GetCurrentHeight()
Definition: flutter_window.cc:889
flutter::FlutterWindow::OnComposeEnd
virtual void OnComposeEnd()
Definition: flutter_window.cc:230
flutter::FlutterWindow::SetView
virtual void SetView(WindowBindingHandlerDelegate *view) override
Definition: flutter_window.cc:114
flutter::FlutterWindow::~FlutterWindow
virtual ~FlutterWindow()
Definition: flutter_window.cc:110
flutter::FlutterWindow::HandleMessage
LRESULT HandleMessage(UINT const message, WPARAM const wparam, LPARAM const lparam) noexcept
Definition: flutter_window.cc:499
flutter::FlutterWindow::OnComposeChange
virtual void OnComposeChange(const std::u16string &text, int cursor_pos)
Definition: flutter_window.cc:234
flutter::FlutterWindow::OnResetImeComposing
virtual void OnResetImeComposing() override
Definition: flutter_window.cc:264
flutter::FlutterWindow::Win32MapVkToChar
virtual uint32_t Win32MapVkToChar(uint32_t virtual_key) override
Definition: flutter_window.cc:442
flutter::FlutterWindow::OnImeComposition
virtual void OnImeComposition(UINT const message, WPARAM const wparam, LPARAM const lparam)
Definition: flutter_window.cc:823
flutter::FlutterWindow::GetCurrentDPI
UINT GetCurrentDPI()
Definition: flutter_window.cc:881
flutter::FlutterWindow::OnDpiScale
virtual void OnDpiScale(unsigned int dpi)
Definition: flutter_window.cc:149
flutter::FlutterWindow::AbortImeComposing
virtual void AbortImeComposing()
Definition: flutter_window.cc:873
flutter::FlutterWindow::GetDpiScale
virtual float GetDpiScale() override
Definition: flutter_window.cc:127
flutter::FlutterWindow::OnUpdateSemanticsEnabled
virtual void OnUpdateSemanticsEnabled(bool enabled)
Definition: flutter_window.cc:239
flutter::FlutterWindow::OnGetObject
virtual LRESULT OnGetObject(UINT const message, WPARAM const wparam, LPARAM const lparam)
Definition: flutter_window.cc:752
flutter::FlutterWindow::GetNativeViewAccessible
virtual gfx::NativeViewAccessible GetNativeViewAccessible()
Definition: flutter_window.cc:293
flutter::FlutterWindow::OnComposeBegin
virtual void OnComposeBegin()
Definition: flutter_window.cc:222
flutter::FlutterWindow::OnBitmapSurfaceCleared
virtual bool OnBitmapSurfaceCleared() override
Definition: flutter_window.cc:268
flutter::FlutterWindow::OnResize
virtual void OnResize(unsigned int width, unsigned int height)
Definition: flutter_window.cc:153
flutter::FlutterWindow::OnImeEndComposition
virtual void OnImeEndComposition(UINT const message, WPARAM const wparam, LPARAM const lparam)
Definition: flutter_window.cc:858
flutter::KeyboardManager::WindowDelegate
Definition: keyboard_manager.h:52
flutter::KeyboardManager::WindowDelegate::KeyEventCallback
std::function< void(bool)> KeyEventCallback
Definition: keyboard_manager.h:54
flutter::Rect
Definition: geometry.h:59
flutter::SequentialIdGenerator
Definition: sequential_id_generator.h:20
flutter::WindowBindingHandlerDelegate
Definition: window_binding_handler_delegate.h:18
flutter::WindowBindingHandler
Definition: window_binding_handler.h:40
direct_manipulation.h
flutter_windows_view.h
callback
FlutterDesktopBinaryReply callback
Definition: flutter_windows_view_unittests.cc:52
geometry.h
extended
bool extended
Definition: keyboard_key_handler_unittests.cc:118
key
int key
Definition: keyboard_key_handler_unittests.cc:114
character
char32_t character
Definition: keyboard_key_handler_unittests.cc:117
action
int action
Definition: keyboard_key_handler_unittests.cc:116
scancode
int scancode
Definition: keyboard_key_handler_unittests.cc:115
was_down
bool was_down
Definition: keyboard_key_handler_unittests.cc:119
keyboard_manager.h
text
std::u16string text
Definition: keyboard_unittests.cc:332
message
Win32Message message
Definition: keyboard_unittests.cc:137
flutter
Definition: accessibility_bridge_windows.cc:11
flutter::WindowStateEvent
WindowStateEvent
An event representing a change in window state that may update the.
Definition: windows_lifecycle_manager.h:24
sequential_id_generator.h
flutter::PhysicalWindowBounds
Definition: window_binding_handler.h:27
flutter::PointerLocation
Definition: window_binding_handler.h:34
text_input_manager.h
window_binding_handler.h
windows_lifecycle_manager.h
windows_proc_table.h
windowsx_shim.h