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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/geometry/geometry.h"
13 #include "flutter/shell/platform/common/alert_platform_node_delegate.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 class DisplayManagerWin32;
32
33 // A win32 flutter child window used as implementations for flutter view. In
34 // the future, there will likely be a CoreWindow-based FlutterWindow as well.
35 // At the point may make sense to dependency inject the native window rather
36 // than inherit.
37 class FlutterWindow : public KeyboardManager::WindowDelegate,
38 public WindowBindingHandler {
39 public:
40 // Create flutter Window for use as child window
41 FlutterWindow(int width,
42 int height,
43 std::shared_ptr<DisplayManagerWin32> const& display_manager,
44 std::shared_ptr<WindowsProcTable> windows_proc_table = nullptr,
45 std::unique_ptr<TextInputManager> text_input_manager = nullptr);
46
47 virtual ~FlutterWindow();
48
49 // Initializes as a child window with size using |width| and |height| and
50 // |title| to identify the windowclass. Does not show window, window must be
51 // parented into window hierarchy by caller.
52 void InitializeChild(const char* title,
53 unsigned int width,
54 unsigned int height);
55
56 // |KeyboardManager::WindowDelegate|
57 virtual BOOL Win32PeekMessage(LPMSG lpMsg,
58 UINT wMsgFilterMin,
59 UINT wMsgFilterMax,
60 UINT wRemoveMsg) override;
61
62 // |KeyboardManager::WindowDelegate|
63 virtual uint32_t Win32MapVkToChar(uint32_t virtual_key) override;
64
65 // |KeyboardManager::WindowDelegate|
66 virtual UINT Win32DispatchMessage(UINT Msg,
67 WPARAM wParam,
68 LPARAM lParam) override;
69
70 // Called when the DPI changes either when a
71 // user drags the window between monitors of differing DPI or when the user
72 // manually changes the scale factor.
73 virtual void OnDpiScale(unsigned int dpi);
74
75 // Called when a resize occurs.
76 virtual void OnResize(unsigned int width, unsigned int height);
77
78 // Called when a paint is requested.
79 virtual void OnPaint();
80
81 // Called when the pointer moves within the
82 // window bounds.
83 virtual void OnPointerMove(double x,
84 double y,
85 FlutterPointerDeviceKind device_kind,
86 int32_t device_id,
87 int modifiers_state);
88
89 // Called when the a mouse button, determined by |button|, goes down.
90 virtual void OnPointerDown(double x,
91 double y,
92 FlutterPointerDeviceKind device_kind,
93 int32_t device_id,
94 UINT button);
95
96 // Called when the a mouse button, determined by |button|, goes from
97 // down to up
98 virtual void OnPointerUp(double x,
99 double y,
100 FlutterPointerDeviceKind device_kind,
101 int32_t device_id,
102 UINT button);
103
104 // Called when the mouse leaves the window.
105 virtual void OnPointerLeave(double x,
106 double y,
107 FlutterPointerDeviceKind device_kind,
108 int32_t device_id);
109
110 // |WindowBindingHandlerDelegate|
111 virtual void OnText(const std::u16string& text) override;
112
113 // |WindowBindingHandlerDelegate|
114 virtual void OnKey(int key,
115 int scancode,
116 int action,
117 char32_t character,
118 bool extended,
119 bool was_down,
120 KeyEventCallback callback) override;
121
122 // Called when IME composing begins.
123 virtual void OnComposeBegin();
124
125 // Called when IME composing text is committed.
126 virtual void OnComposeCommit();
127
128 // Called when IME composing ends.
129 virtual void OnComposeEnd();
130
131 // Called when IME composing text or cursor position changes.
132 virtual void OnComposeChange(const std::u16string& text, int cursor_pos);
133
134 // |FlutterWindowBindingHandler|
135 virtual void OnCursorRectUpdated(const Rect& rect) override;
136
137 // |FlutterWindowBindingHandler|
138 virtual void OnResetImeComposing() override;
139
140 // Called when accessibility support is enabled or disabled.
141 virtual void OnUpdateSemanticsEnabled(bool enabled);
142
143 // Called when mouse scrollwheel input occurs.
144 virtual void OnScroll(double delta_x,
145 double delta_y,
146 FlutterPointerDeviceKind device_kind,
147 int32_t device_id);
148
149 // Returns the root view accessibility node, or nullptr if none.
150 virtual gfx::NativeViewAccessible GetNativeViewAccessible();
151
152 // |FlutterWindowBindingHandler|
153 virtual void SetView(WindowBindingHandlerDelegate* view) override;
154
155 // |FlutterWindowBindingHandler|
156 virtual HWND GetWindowHandle() override;
157
158 // |FlutterWindowBindingHandler|
159 virtual float GetDpiScale() override;
160
161 // |FlutterWindowBindingHandler|
162 virtual PhysicalWindowBounds GetPhysicalWindowBounds() override;
163
164 // |FlutterWindowBindingHandler|
165 virtual bool OnBitmapSurfaceCleared() override;
166
167 // |FlutterWindowBindingHandler|
168 virtual bool OnBitmapSurfaceUpdated(const void* allocation,
169 size_t row_bytes,
170 size_t height) override;
171
172 // |FlutterWindowBindingHandler|
173 virtual PointerLocation GetPrimaryPointerLocation() override;
174
175 // [FlutterWindowBindingHandler]
176 virtual FlutterEngineDisplayId GetDisplayId() override;
177
178 // Called when a theme change message is issued.
179 virtual void OnThemeChange();
180
181 // |WindowBindingHandler|
182 virtual AlertPlatformNodeDelegate* GetAlertDelegate() override;
183
184 // |WindowBindingHandler|
185 virtual ui::AXPlatformNodeWin* GetAlert() override;
186
187 // [WindowBindingHandler]
188 virtual bool Focus() override;
189
190 // Called to obtain a pointer to the fragment root delegate.
191 virtual ui::AXFragmentRootDelegateWin* GetAxFragmentRootDelegate();
192
193 // Called on a resize or focus event.
194 virtual void OnWindowStateEvent(WindowStateEvent event);
195
196 protected:
197 // Base constructor for mocks.
198 FlutterWindow();
199
200 // Win32's DefWindowProc.
201 //
202 // Used as the fallback behavior of HandleMessage. Exposed for dependency
203 // injection.
204 virtual LRESULT Win32DefWindowProc(HWND hWnd,
205 UINT Msg,
206 WPARAM wParam,
207 LPARAM lParam);
208
209 // Converts a c string to a wide unicode string.
210 std::wstring NarrowToWide(const char* source);
211
212 // Processes and route salient window messages for mouse handling,
213 // size change and DPI. Delegates handling of these to member overloads that
214 // inheriting classes can handle.
215 LRESULT HandleMessage(UINT const message,
216 WPARAM const wparam,
217 LPARAM const lparam) noexcept;
218
219 // Called when the OS requests a COM object.
220 //
221 // The primary use of this function is to supply Windows with wrapped
222 // semantics objects for use by Windows accessibility.
223 virtual LRESULT OnGetObject(UINT const message,
224 WPARAM const wparam,
225 LPARAM const lparam);
226
227 // Called when a window is activated in order to configure IME support for
228 // multi-step text input.
229 virtual void OnImeSetContext(UINT const message,
230 WPARAM const wparam,
231 LPARAM const lparam);
232
233 // Called when multi-step text input begins when using an IME.
234 virtual void OnImeStartComposition(UINT const message,
235 WPARAM const wparam,
236 LPARAM const lparam);
237
238 // Called when edits/commit of multi-step text input occurs when using an IME.
239 virtual void OnImeComposition(UINT const message,
240 WPARAM const wparam,
241 LPARAM const lparam);
242
243 // Called when multi-step text input ends when using an IME.
244 virtual void OnImeEndComposition(UINT const message,
245 WPARAM const wparam,
246 LPARAM const lparam);
247
248 // Called when the user triggers an IME-specific request such as input
249 // reconversion, where an existing input sequence is returned to composing
250 // mode to select an alternative candidate conversion.
251 virtual void OnImeRequest(UINT const message,
252 WPARAM const wparam,
253 LPARAM const lparam);
254
255 // Called when the app ends IME composing, such as when the text input client
256 // is cleared or changed.
257 virtual void AbortImeComposing();
258
259 // Called when the cursor rect has been updated.
260 //
261 // |rect| is in Win32 window coordinates.
262 virtual void UpdateCursorRect(const Rect& rect);
263
264 UINT GetCurrentDPI();
265
266 UINT GetCurrentWidth();
267
268 UINT GetCurrentHeight();
269
270 // Returns the current pixel per scroll tick value.
271 virtual float GetScrollOffsetMultiplier();
272
273 // Delegate to a alert_node_ used to set the announcement text.
274 std::unique_ptr<AlertPlatformNodeDelegate> alert_delegate_;
275
276 // Accessibility node that represents an alert.
277 std::unique_ptr<ui::AXPlatformNodeWin> alert_node_;
278
279 // Handles running DirectManipulation on the window to receive trackpad
280 // gestures.
281 std::unique_ptr<DirectManipulationOwner> direct_manipulation_owner_;
282
283 private:
284 // OS callback called by message pump. Handles the WM_NCCREATE message which
285 // is passed when the non-client area is being created and enables automatic
286 // non-client DPI scaling so that the non-client area automatically
287 // responsponds to changes in DPI. All other messages are handled by
288 // MessageHandler.
289 static LRESULT CALLBACK WndProc(HWND const window,
290 UINT const message,
291 WPARAM const wparam,
292 LPARAM const lparam) noexcept;
293
294 // WM_DPICHANGED_BEFOREPARENT defined in more recent Windows
295 // SDK
296 static const long kWmDpiChangedBeforeParent = 0x02E2;
297
298 // Timer identifier for DirectManipulation gesture polling.
299 static const int kDirectManipulationTimer = 1;
300
301 // Release OS resources associated with the window.
302 void Destroy();
303
304 // Registers a window class with default style attributes, cursor and
305 // icon.
306 WNDCLASS RegisterWindowClass(std::wstring& title);
307
308 // Retrieves a class instance pointer for |window|
309 static FlutterWindow* GetThisFromHandle(HWND const window) noexcept;
310
311 // Activates tracking for a "mouse leave" event.
312 void TrackMouseLeaveEvent(HWND hwnd);
313
314 // Stores new width and height and calls |OnResize| to notify inheritors
315 void HandleResize(UINT width, UINT height);
316
317 // Updates the cached scroll_offset_multiplier_ value based off OS settings.
318 void UpdateScrollOffsetMultiplier();
319
320 // Creates the ax_fragment_root_, alert_delegate_ and alert_node_ if they do
321 // not yet exist.
322 // Once set, they are not reset to nullptr.
323 void CreateAxFragmentRoot();
324
325 // A pointer to a FlutterWindowsView that can be used to update engine
326 // windowing and input state.
327 WindowBindingHandlerDelegate* binding_handler_delegate_ = nullptr;
328
329 // The cursor rect set by Flutter.
330 RECT cursor_rect_;
331
332 // The window receives resize and focus messages before its view is set, so
333 // these values cache the state of the window in the meantime so that the
334 // proper application lifecycle state can be updated once the view is set.
335 bool restored_ = false;
336 bool focused_ = false;
337
338 int current_dpi_ = 0;
339 int current_width_ = 0;
340 int current_height_ = 0;
341
342 // Holds the conversion factor from lines scrolled to pixels scrolled.
343 float scroll_offset_multiplier_;
344
345 // Member variable to hold window handle.
346 HWND window_handle_ = nullptr;
347
348 // Member variable to hold the window title.
349 std::wstring window_class_name_;
350
351 // Set to true to be notified when the mouse leaves the window.
352 bool tracking_mouse_leave_ = false;
353
354 // Keeps track of the last key code produced by a WM_KEYDOWN or WM_SYSKEYDOWN
355 // message.
356 int keycode_for_char_message_ = 0;
357
358 // Keeps track of the last mouse coordinates by a WM_MOUSEMOVE message.
359 double mouse_x_ = 0;
360 double mouse_y_ = 0;
361
362 // Generates touch point IDs for touch events.
363 SequentialIdGenerator touch_id_generator_;
364
365 // Provides access to the list of available displays.
366 std::shared_ptr<DisplayManagerWin32> display_manager_;
367
368 // Abstracts Windows APIs that may not be available on all supported versions
369 // of Windows.
370 std::shared_ptr<WindowsProcTable> windows_proc_table_;
371
372 // Manages IME state.
373 std::unique_ptr<TextInputManager> text_input_manager_;
374
375 // Manages IME state.
376 std::unique_ptr<KeyboardManager> keyboard_manager_;
377
378 // Used for temporarily storing the WM_TOUCH-provided touch points.
379 std::vector<TOUCHINPUT> touch_points_;
380
381 // Implements IRawElementProviderFragmentRoot when UIA is enabled.
382 std::unique_ptr<ui::AXFragmentRootWin> ax_fragment_root_;
383
384 // Allow WindowAXFragmentRootDelegate to access protected method.
385 friend class WindowAXFragmentRootDelegate;
386
387 FML_DISALLOW_COPY_AND_ASSIGN(FlutterWindow);
388 };
389
390 } // namespace flutter
391
392 #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:38
flutter::FlutterWindow::OnCursorRectUpdated
virtual void OnCursorRectUpdated(const Rect &rect) override
Definition: flutter_window.cc:259
flutter::FlutterWindow::OnPointerLeave
virtual void OnPointerLeave(double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id)
Definition: flutter_window.cc:203
flutter::FlutterWindow::FlutterWindow
FlutterWindow()
Definition: flutter_window.cc:110
flutter::FlutterWindow::GetScrollOffsetMultiplier
virtual float GetScrollOffsetMultiplier()
Definition: flutter_window.cc:906
flutter::FlutterWindow::Focus
virtual bool Focus() override
Definition: flutter_window.cc:138
flutter::FlutterWindow::GetAlert
virtual ui::AXPlatformNodeWin * GetAlert() override
Definition: flutter_window.cc:334
flutter::FlutterWindow::OnText
virtual void OnText(const std::u16string &text) override
Definition: flutter_window.cc:210
flutter::FlutterWindow::Win32DispatchMessage
virtual UINT Win32DispatchMessage(UINT Msg, WPARAM wParam, LPARAM lParam) override
Definition: flutter_window.cc:459
flutter::FlutterWindow::Win32PeekMessage
virtual BOOL Win32PeekMessage(LPMSG lpMsg, UINT wMsgFilterMin, UINT wMsgFilterMax, UINT wRemoveMsg) override
Definition: flutter_window.cc:447
flutter::FlutterWindow::OnThemeChange
virtual void OnThemeChange()
Definition: flutter_window.cc:321
flutter::FlutterWindow::alert_delegate_
std::unique_ptr< AlertPlatformNodeDelegate > alert_delegate_
Definition: flutter_window.h:274
flutter::FlutterWindow::OnBitmapSurfaceUpdated
virtual bool OnBitmapSurfaceUpdated(const void *allocation, size_t row_bytes, size_t height) override
Definition: flutter_window.cc:278
flutter::FlutterWindow::OnImeRequest
virtual void OnImeRequest(UINT const message, WPARAM const wparam, LPARAM const lparam)
Definition: flutter_window.cc:878
flutter::FlutterWindow::Win32DefWindowProc
virtual LRESULT Win32DefWindowProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
Definition: flutter_window.cc:910
flutter::FlutterWindow::OnImeStartComposition
virtual void OnImeStartComposition(UINT const message, WPARAM const wparam, LPARAM const lparam)
Definition: flutter_window.cc:829
flutter::FlutterWindow::NarrowToWide
std::wstring NarrowToWide(const char *source)
Definition: flutter_window.cc:465
flutter::FlutterWindow::GetDisplayId
virtual FlutterEngineDisplayId GetDisplayId() override
Definition: flutter_window.cc:311
flutter::FlutterWindow::GetAxFragmentRootDelegate
virtual ui::AXFragmentRootDelegateWin * GetAxFragmentRootDelegate()
Definition: flutter_window.cc:325
flutter::FlutterWindow::OnScroll
virtual void OnScroll(double delta_x, double delta_y, FlutterPointerDeviceKind device_kind, int32_t device_id)
Definition: flutter_window.cc:246
flutter::FlutterWindow::OnPointerUp
virtual void OnPointerUp(double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id, UINT button)
Definition: flutter_window.cc:190
flutter::FlutterWindow::InitializeChild
void InitializeChild(const char *title, unsigned int width, unsigned int height)
Definition: flutter_window.cc:408
flutter::FlutterWindow::OnPaint
virtual void OnPaint()
Definition: flutter_window.cc:162
flutter::FlutterWindow::GetAlertDelegate
virtual AlertPlatformNodeDelegate * GetAlertDelegate() override
Definition: flutter_window.cc:329
flutter::FlutterWindow::direct_manipulation_owner_
std::unique_ptr< DirectManipulationOwner > direct_manipulation_owner_
Definition: flutter_window.h:281
flutter::FlutterWindow::GetWindowHandle
virtual HWND GetWindowHandle() override
Definition: flutter_window.cc:443
flutter::FlutterWindow::WindowAXFragmentRootDelegate
friend class WindowAXFragmentRootDelegate
Definition: flutter_window.h:385
flutter::FlutterWindow::OnPointerDown
virtual void OnPointerDown(double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id, UINT button)
Definition: flutter_window.cc:177
flutter::FlutterWindow::GetCurrentWidth
UINT GetCurrentWidth()
Definition: flutter_window.cc:898
flutter::FlutterWindow::OnComposeCommit
virtual void OnComposeCommit()
Definition: flutter_window.cc:229
flutter::FlutterWindow::UpdateCursorRect
virtual void UpdateCursorRect(const Rect &rect)
Definition: flutter_window.cc:890
flutter::FlutterWindow::GetPhysicalWindowBounds
virtual PhysicalWindowBounds GetPhysicalWindowBounds() override
Definition: flutter_window.cc:134
flutter::FlutterWindow::OnImeSetContext
virtual void OnImeSetContext(UINT const message, WPARAM const wparam, LPARAM const lparam)
Definition: flutter_window.cc:821
flutter::FlutterWindow::OnWindowStateEvent
virtual void OnWindowStateEvent(WindowStateEvent event)
Definition: flutter_window.cc:339
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:214
flutter::FlutterWindow::OnPointerMove
virtual void OnPointerMove(double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id, int modifiers_state)
Definition: flutter_window.cc:168
flutter::FlutterWindow::alert_node_
std::unique_ptr< ui::AXPlatformNodeWin > alert_node_
Definition: flutter_window.h:277
flutter::FlutterWindow::GetPrimaryPointerLocation
virtual PointerLocation GetPrimaryPointerLocation() override
Definition: flutter_window.cc:304
flutter::FlutterWindow::GetCurrentHeight
UINT GetCurrentHeight()
Definition: flutter_window.cc:902
flutter::FlutterWindow::OnComposeEnd
virtual void OnComposeEnd()
Definition: flutter_window.cc:233
flutter::FlutterWindow::SetView
virtual void SetView(WindowBindingHandlerDelegate *view) override
Definition: flutter_window.cc:117
flutter::FlutterWindow::~FlutterWindow
virtual ~FlutterWindow()
Definition: flutter_window.cc:113
flutter::FlutterWindow::HandleMessage
LRESULT HandleMessage(UINT const message, WPARAM const wparam, LPARAM const lparam) noexcept
Definition: flutter_window.cc:512
flutter::FlutterWindow::OnComposeChange
virtual void OnComposeChange(const std::u16string &text, int cursor_pos)
Definition: flutter_window.cc:237
flutter::FlutterWindow::OnResetImeComposing
virtual void OnResetImeComposing() override
Definition: flutter_window.cc:267
flutter::FlutterWindow::Win32MapVkToChar
virtual uint32_t Win32MapVkToChar(uint32_t virtual_key) override
Definition: flutter_window.cc:455
flutter::FlutterWindow::OnImeComposition
virtual void OnImeComposition(UINT const message, WPARAM const wparam, LPARAM const lparam)
Definition: flutter_window.cc:836
flutter::FlutterWindow::GetCurrentDPI
UINT GetCurrentDPI()
Definition: flutter_window.cc:894
flutter::FlutterWindow::OnDpiScale
virtual void OnDpiScale(unsigned int dpi)
Definition: flutter_window.cc:152
flutter::FlutterWindow::AbortImeComposing
virtual void AbortImeComposing()
Definition: flutter_window.cc:886
flutter::FlutterWindow::GetDpiScale
virtual float GetDpiScale() override
Definition: flutter_window.cc:130
flutter::FlutterWindow::OnUpdateSemanticsEnabled
virtual void OnUpdateSemanticsEnabled(bool enabled)
Definition: flutter_window.cc:242
flutter::FlutterWindow::OnGetObject
virtual LRESULT OnGetObject(UINT const message, WPARAM const wparam, LPARAM const lparam)
Definition: flutter_window.cc:765
flutter::FlutterWindow::GetNativeViewAccessible
virtual gfx::NativeViewAccessible GetNativeViewAccessible()
Definition: flutter_window.cc:296
flutter::FlutterWindow::OnComposeBegin
virtual void OnComposeBegin()
Definition: flutter_window.cc:225
flutter::FlutterWindow::OnBitmapSurfaceCleared
virtual bool OnBitmapSurfaceCleared() override
Definition: flutter_window.cc:271
flutter::FlutterWindow::OnResize
virtual void OnResize(unsigned int width, unsigned int height)
Definition: flutter_window.cc:156
flutter::FlutterWindow::OnImeEndComposition
virtual void OnImeEndComposition(UINT const message, WPARAM const wparam, LPARAM const lparam)
Definition: flutter_window.cc:871
flutter::KeyboardManager::WindowDelegate
Definition: keyboard_manager.h:52
flutter::KeyboardManager::WindowDelegate::KeyEventCallback
std::function< void(bool)> KeyEventCallback
Definition: keyboard_manager.h:54
flutter::SequentialIdGenerator
Definition: sequential_id_generator.h:20
flutter::WindowBindingHandlerDelegate
Definition: window_binding_handler_delegate.h:18
flutter::WindowBindingHandler
Definition: window_binding_handler.h:41
direct_manipulation.h
display_manager
const DisplayManagerWin32 * display_manager
Definition: display_manager.cc:18
flutter_windows_view.h
callback
FlutterDesktopBinaryReply callback
Definition: flutter_windows_view_unittests.cc:52
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:28
flutter::PointerLocation
Definition: window_binding_handler.h:35
text_input_manager.h
window_binding_handler.h
windows_lifecycle_manager.h
windows_proc_table.h
windowsx_shim.h