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Public Member Functions | Protected Member Functions | Protected Attributes | Friends | List of all members
flutter::FlutterWindow Class Reference

`#include <flutter_window.h>`

Inheritance diagram for flutter::FlutterWindow:

## Public Member Functions
| FlutterWindow (int width, int height, std::shared_ptr< WindowsProcTable > windows_proc_table=nullptr, std::unique_ptr< TextInputManager > text_input_manager=nullptr)
virtual | ~FlutterWindow ()
void | InitializeChild (const char *title, unsigned int width, unsigned int height)
virtual BOOL | Win32PeekMessage (LPMSG lpMsg, UINT wMsgFilterMin, UINT wMsgFilterMax, UINT wRemoveMsg) override
virtual uint32_t | Win32MapVkToChar (uint32_t virtual_key) override
virtual UINT | Win32DispatchMessage (UINT Msg, WPARAM wParam, LPARAM lParam) override
virtual void | OnDpiScale (unsigned int dpi)
virtual void | OnResize (unsigned int width, unsigned int height)
virtual void | OnPaint ()
virtual void | OnPointerMove (double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id, int modifiers_state)
virtual void | OnPointerDown (double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id, UINT button)
virtual void | OnPointerUp (double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id, UINT button)
virtual void | OnPointerLeave (double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id)
virtual void | OnSetCursor ()
virtual void | OnText (const std::u16string &text) override
virtual void | OnKey (int key, int scancode, int action, char32_t character, bool extended, bool was_down, KeyEventCallback callback) override
virtual void | OnComposeBegin ()
virtual void | OnComposeCommit ()
virtual void | OnComposeEnd ()
virtual void | OnComposeChange (const std::u16string &text, int cursor_pos)
virtual void | OnCursorRectUpdated (const Rect &rect) override
virtual void | OnResetImeComposing () override
virtual void | OnUpdateSemanticsEnabled (bool enabled)
virtual void | OnScroll (double delta_x, double delta_y, FlutterPointerDeviceKind device_kind, int32_t device_id)
virtual gfx::NativeViewAccessible | GetNativeViewAccessible ()
virtual void | SetView (WindowBindingHandlerDelegate *view) override
virtual HWND | GetWindowHandle () override
virtual float | GetDpiScale () override
virtual bool | IsVisible () override
virtual PhysicalWindowBounds | GetPhysicalWindowBounds () override
virtual void | UpdateFlutterCursor (const std::string &cursor_name) override
virtual void | SetFlutterCursor (HCURSOR cursor) override
virtual bool | OnBitmapSurfaceUpdated (const void *allocation, size_t row_bytes, size_t height) override
virtual PointerLocation | GetPrimaryPointerLocation () override
virtual void | OnThemeChange ()
virtual AlertPlatformNodeDelegate * | GetAlertDelegate () override
virtual ui::AXPlatformNodeWin * | GetAlert () override
virtual ui::AXFragmentRootDelegateWin * | GetAxFragmentRootDelegate ()
virtual void | OnWindowStateEvent (WindowStateEvent event)
Public Member Functions inherited from flutter::KeyboardManager::WindowDelegate
virtual | ~WindowDelegate ()=default
Public Member Functions inherited from flutter::WindowBindingHandler
virtual | ~WindowBindingHandler ()=default

## Protected Member Functions
virtual LRESULT | Win32DefWindowProc (HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
std::wstring | NarrowToWide (const char *source)
LRESULT | HandleMessage (UINT const message, WPARAM const wparam, LPARAM const lparam) noexcept
virtual LRESULT | OnGetObject (UINT const message, WPARAM const wparam, LPARAM const lparam)
virtual void | OnImeSetContext (UINT const message, WPARAM const wparam, LPARAM const lparam)
virtual void | OnImeStartComposition (UINT const message, WPARAM const wparam, LPARAM const lparam)
virtual void | OnImeComposition (UINT const message, WPARAM const wparam, LPARAM const lparam)
virtual void | OnImeEndComposition (UINT const message, WPARAM const wparam, LPARAM const lparam)
virtual void | OnImeRequest (UINT const message, WPARAM const wparam, LPARAM const lparam)
virtual void | AbortImeComposing ()
virtual void | UpdateCursorRect (const Rect &rect)
UINT | GetCurrentDPI ()
UINT | GetCurrentWidth ()
UINT | GetCurrentHeight ()
virtual float | GetScrollOffsetMultiplier ()

## Protected Attributes
std::unique_ptr< AlertPlatformNodeDelegate > | alert_delegate_
std::unique_ptr< ui::AXPlatformNodeWin > | alert_node_
std::unique_ptr< DirectManipulationOwner > | direct_manipulation_owner_

## Friends
class | WindowAXFragmentRootDelegate

## Additional Inherited Members
Public Types inherited from flutter::KeyboardManager::WindowDelegate
using | KeyEventCallback = std::function< void(bool)>

## Detailed Description

Definition at line 35 of file flutter_window.h.

## Constructor & Destructor Documentation

## ◆ FlutterWindow()

flutter::FlutterWindow::FlutterWindow | ( | int | width,
|  | int | height,
|  | std::shared_ptr< WindowsProcTable > | windows_proc_table = `nullptr`,
|  | std::unique_ptr< TextInputManager > | text_input_manager = `nullptr`
| ) |  |

Definition at line 119 of file flutter_window.cc.

124 : binding_handler_delegate_(nullptr),
125 touch_id_generator_(kMinTouchDeviceId, kMaxTouchDeviceId),
126 windows_proc_table_(std::move(windows_proc_table)),
127 text_input_manager_(std::move(text_input_manager)),
128 ax_fragment_root_(nullptr) {
129 // Get the DPI of the primary monitor as the initial DPI. If Per-Monitor V2 is
130 // supported, |current_dpi_| should be updated in the
131 // kWmDpiChangedBeforeParent message.
132 current_dpi_ = GetDpiForHWND(nullptr);
133
134 // Get initial value for wheel scroll lines
135 // TODO: Listen to changes for this value
136 // https://github.com/flutter/flutter/issues/107248
137 UpdateScrollOffsetMultiplier();
138
139 if (windows_proc_table_ == nullptr) {
140 windows_proc_table_ = std::make_unique<WindowsProcTable>();
141 }
142 if (text_input_manager_ == nullptr) {
143 text_input_manager_ = std::make_unique<TextInputManager>();
144 }
145 keyboard_manager_ = std::make_unique<KeyboardManager>(this);
146
147 InitializeChild("FLUTTERVIEW", width, height);
148 current_cursor_ = ::LoadCursor(nullptr, IDC_ARROW);
149 }

References flutter::GetDpiForHWND(), and InitializeChild().

## ◆ ~FlutterWindow()

flutter::FlutterWindow::~FlutterWindow | ( |  | ) |
| virtual

Definition at line 151 of file flutter_window.cc.

151 {
152 OnWindowStateEvent(WindowStateEvent::kHide);
153 Destroy();
154 }

References flutter::kHide, and OnWindowStateEvent().

## Member Function Documentation

## ◆ AbortImeComposing()

void flutter::FlutterWindow::AbortImeComposing | ( |  | ) |
| protected virtual

Definition at line 898 of file flutter_window.cc.

898 {
899 text_input_manager_->AbortComposing();
900 }

Referenced by OnResetImeComposing().

## ◆ GetAlert()

ui::AXPlatformNodeWin * flutter::FlutterWindow::GetAlert | ( |  | ) |
| override virtual

Implements flutter::WindowBindingHandler.

Definition at line 357 of file flutter_window.cc.

357 {
358 CreateAxFragmentRoot();
359 return alert_node_.get();
360 }

References alert_node_.

## ◆ GetAlertDelegate()

AlertPlatformNodeDelegate * flutter::FlutterWindow::GetAlertDelegate | ( |  | ) |
| override virtual

Implements flutter::WindowBindingHandler.

Definition at line 352 of file flutter_window.cc.

352 {
353 CreateAxFragmentRoot();
354 return alert_delegate_.get();
355 }

References alert_delegate_.

## ◆ GetAxFragmentRootDelegate()

ui::AXFragmentRootDelegateWin * flutter::FlutterWindow::GetAxFragmentRootDelegate | ( |  | ) |
| virtual

Definition at line 348 of file flutter_window.cc.

348 {
349 return binding_handler_delegate_->GetAxFragmentRootDelegate();
350 }

References flutter::WindowBindingHandlerDelegate::GetAxFragmentRootDelegate().

## ◆ GetCurrentDPI()

UINT flutter::FlutterWindow::GetCurrentDPI | ( |  | ) |
| protected

Definition at line 906 of file flutter_window.cc.

906 {
907 return current_dpi_;
908 }

Referenced by GetDpiScale().

## ◆ GetCurrentHeight()

UINT flutter::FlutterWindow::GetCurrentHeight | ( |  | ) |
| protected

Definition at line 914 of file flutter_window.cc.

914 {
915 return current_height_;
916 }

Referenced by GetPhysicalWindowBounds().

## ◆ GetCurrentWidth()

UINT flutter::FlutterWindow::GetCurrentWidth | ( |  | ) |
| protected

Definition at line 910 of file flutter_window.cc.

910 {
911 return current_width_;
912 }

Referenced by GetPhysicalWindowBounds().

## ◆ GetDpiScale()

float flutter::FlutterWindow::GetDpiScale | ( |  | ) |
| override virtual

Implements flutter::WindowBindingHandler.

Definition at line 167 of file flutter_window.cc.

167 {
168 return static_cast<float>(GetCurrentDPI()) / static_cast<float>(base_dpi);
169 }

References GetCurrentDPI().

Referenced by OnCursorRectUpdated().

## ◆ GetNativeViewAccessible()

gfx::NativeViewAccessible flutter::FlutterWindow::GetNativeViewAccessible | ( |  | ) |
| virtual

Definition at line 329 of file flutter_window.cc.

329 {
330 if (binding_handler_delegate_ == nullptr) {
331 return nullptr;
332 }
333
334 return binding_handler_delegate_->GetNativeViewAccessible();
335 }

References flutter::WindowBindingHandlerDelegate::GetNativeViewAccessible().

Referenced by OnGetObject().

## ◆ GetPhysicalWindowBounds()

PhysicalWindowBounds flutter::FlutterWindow::GetPhysicalWindowBounds | ( |  | ) |
| override virtual

Implements flutter::WindowBindingHandler.

Definition at line 175 of file flutter_window.cc.

175 {
176 return {GetCurrentWidth(), GetCurrentHeight()};
177 }

References GetCurrentHeight(), and GetCurrentWidth().

## ◆ GetPrimaryPointerLocation()

PointerLocation flutter::FlutterWindow::GetPrimaryPointerLocation | ( |  | ) |
| override virtual

Implements flutter::WindowBindingHandler.

Definition at line 337 of file flutter_window.cc.

337 {
338 POINT point;
339 GetCursorPos(&point);
340 ScreenToClient(GetWindowHandle(), &point);
341 return {(size_t)point.x, (size_t)point.y};
342 }

References GetWindowHandle().

## ◆ GetScrollOffsetMultiplier()

float flutter::FlutterWindow::GetScrollOffsetMultiplier | ( |  | ) |
| protected virtual

Definition at line 918 of file flutter_window.cc.

918 {
919 return scroll_offset_multiplier_;
920 }

Referenced by OnScroll().

## ◆ GetWindowHandle()

HWND flutter::FlutterWindow::GetWindowHandle | ( |  | ) |
| override virtual

Implements flutter::WindowBindingHandler.

Definition at line 456 of file flutter_window.cc.

456 {
457 return window_handle_;
458 }

Referenced by flutter::DirectManipulationOwner::Destroy(), GetPrimaryPointerLocation(), flutter::DirectManipulationOwner::Init(), IsVisible(), OnBitmapSurfaceUpdated(), OnScroll(), and OnWindowStateEvent().

## ◆ HandleMessage()

LRESULT flutter::FlutterWindow::HandleMessage | ( | UINT const | message,
|  | WPARAM const | wparam,
|  | LPARAM const | lparam
| ) |  |
| protected noexcept

Definition at line 525 of file flutter_window.cc.

527 {
528 LPARAM result_lparam = lparam;
529 int xPos = 0, yPos = 0;
530 UINT width = 0, height = 0;
531 UINT button_pressed = 0;
532 FlutterPointerDeviceKind device_kind;
533
534 switch (message) {
535 case kWmDpiChangedBeforeParent:
536 current_dpi_ = GetDpiForHWND(window_handle_);
537 OnDpiScale(current_dpi_);
538 return 0;
539 case WM_SIZE:
540 width = LOWORD(lparam);
541 height = HIWORD(lparam);
542
543 current_width_ = width;
544 current_height_ = height;
545 HandleResize(width, height);
546
547 OnWindowStateEvent(width == 0 && height == 0 ? WindowStateEvent::kHide
548 : WindowStateEvent::kShow);
549 break;
550 case WM_PAINT:
551 OnPaint();
552 break;
553 case WM_TOUCH: {
554 UINT num_points = LOWORD(wparam);
555 touch_points_.resize(num_points);
556 auto touch_input_handle = reinterpret_cast<HTOUCHINPUT>(lparam);
557 if (GetTouchInputInfo(touch_input_handle, num_points,
558 touch_points_.data(), sizeof(TOUCHINPUT))) {
559 for (const auto& touch : touch_points_) {
560 // Generate a mapped ID for the Windows-provided touch ID
561 auto touch_id = touch_id_generator_.GetGeneratedId(touch.dwID);
562
563 POINT pt = {TOUCH_COORD_TO_PIXEL(touch.x),
564 TOUCH_COORD_TO_PIXEL(touch.y)};
565 ScreenToClient(window_handle_, &pt);
566 auto x = static_cast<double>(pt.x);
567 auto y = static_cast<double>(pt.y);
568
569 if (touch.dwFlags & TOUCHEVENTF_DOWN) {
570 OnPointerDown(x, y, kFlutterPointerDeviceKindTouch, touch_id,
571 WM_LBUTTONDOWN);
572 } else if (touch.dwFlags & TOUCHEVENTF_MOVE) {
573 OnPointerMove(x, y, kFlutterPointerDeviceKindTouch, touch_id, 0);
574 } else if (touch.dwFlags & TOUCHEVENTF_UP) {
575 OnPointerUp(x, y, kFlutterPointerDeviceKindTouch, touch_id,
576 WM_LBUTTONDOWN);
577 OnPointerLeave(x, y, kFlutterPointerDeviceKindTouch, touch_id);
578 touch_id_generator_.ReleaseNumber(touch.dwID);
579 }
580 }
581 CloseTouchInputHandle(touch_input_handle);
582 }
583 return 0;
584 }
585 case WM_MOUSEMOVE:
586 device_kind = GetFlutterPointerDeviceKind();
587 if (device_kind == kFlutterPointerDeviceKindMouse) {
588 TrackMouseLeaveEvent(window_handle_);
589
590 xPos = GET_X_LPARAM(lparam);
591 yPos = GET_Y_LPARAM(lparam);
592 mouse_x_ = static_cast<double>(xPos);
593 mouse_y_ = static_cast<double>(yPos);
594
595 int mods = 0;
596 if (wparam & MK_CONTROL) {
597 mods |= kControl;
598 }
599 if (wparam & MK_SHIFT) {
600 mods |= kShift;
601 }
602 OnPointerMove(mouse_x_, mouse_y_, device_kind, kDefaultPointerDeviceId,
603 mods);
604 }
605 break;
606 case WM_MOUSELEAVE:
607 device_kind = GetFlutterPointerDeviceKind();
608 if (device_kind == kFlutterPointerDeviceKindMouse) {
609 OnPointerLeave(mouse_x_, mouse_y_, device_kind,
610 kDefaultPointerDeviceId);
611 }
612
613 // Once the tracked event is received, the TrackMouseEvent function
614 // resets. Set to false to make sure it's called once mouse movement is
615 // detected again.
616 tracking_mouse_leave_ = false;
617 break;
618 case WM_SETCURSOR: {
619 UINT hit_test_result = LOWORD(lparam);
620 if (hit_test_result == HTCLIENT) {
621 OnSetCursor();
622 return TRUE;
623 }
624 break;
625 }
626 case WM_SETFOCUS:
627 OnWindowStateEvent(WindowStateEvent::kFocus);
628 ::CreateCaret(window_handle_, nullptr, 1, 1);
629 break;
630 case WM_KILLFOCUS:
631 OnWindowStateEvent(WindowStateEvent::kUnfocus);
632 ::DestroyCaret();
633 break;
634 case WM_LBUTTONDOWN:
635 case WM_RBUTTONDOWN:
636 case WM_MBUTTONDOWN:
637 case WM_XBUTTONDOWN:
638 device_kind = GetFlutterPointerDeviceKind();
639 if (device_kind != kFlutterPointerDeviceKindMouse) {
640 break;
641 }
642
643 if (message == WM_LBUTTONDOWN) {
644 // Capture the pointer in case the user drags outside the client area.
645 // In this case, the "mouse leave" event is delayed until the user
646 // releases the button. It's only activated on left click given that
647 // it's more common for apps to handle dragging with only the left
648 // button.
649 SetCapture(window_handle_);
650 }
651 button_pressed = message;
652 if (message == WM_XBUTTONDOWN) {
653 button_pressed = GET_XBUTTON_WPARAM(wparam);
654 }
655 xPos = GET_X_LPARAM(lparam);
656 yPos = GET_Y_LPARAM(lparam);
657 OnPointerDown(static_cast<double>(xPos), static_cast<double>(yPos),
658 device_kind, kDefaultPointerDeviceId, button_pressed);
659 break;
660 case WM_LBUTTONUP:
661 case WM_RBUTTONUP:
662 case WM_MBUTTONUP:
663 case WM_XBUTTONUP:
664 device_kind = GetFlutterPointerDeviceKind();
665 if (device_kind != kFlutterPointerDeviceKindMouse) {
666 break;
667 }
668
669 if (message == WM_LBUTTONUP) {
670 ReleaseCapture();
671 }
672 button_pressed = message;
673 if (message == WM_XBUTTONUP) {
674 button_pressed = GET_XBUTTON_WPARAM(wparam);
675 }
676 xPos = GET_X_LPARAM(lparam);
677 yPos = GET_Y_LPARAM(lparam);
678 OnPointerUp(static_cast<double>(xPos), static_cast<double>(yPos),
679 device_kind, kDefaultPointerDeviceId, button_pressed);
680 break;
681 case WM_MOUSEWHEEL:
682 OnScroll(0.0,
683 -(static_cast<short>(HIWORD(wparam)) /
684 static_cast<double>(WHEEL_DELTA)),
685 kFlutterPointerDeviceKindMouse, kDefaultPointerDeviceId);
686 break;
687 case WM_MOUSEHWHEEL:
688 OnScroll((static_cast<short>(HIWORD(wparam)) /
689 static_cast<double>(WHEEL_DELTA)),
690 0.0, kFlutterPointerDeviceKindMouse, kDefaultPointerDeviceId);
691 break;
692 case WM_GETOBJECT: {
693 LRESULT lresult = OnGetObject(message, wparam, lparam);
694 if (lresult) {
695 return lresult;
696 }
697 break;
698 }
699 case WM_TIMER:
700 if (wparam == kDirectManipulationTimer) {
701 direct_manipulation_owner_->Update();
702 return 0;
703 }
704 break;
705 case DM_POINTERHITTEST: {
706 if (direct_manipulation_owner_) {
707 UINT contact_id = GET_POINTERID_WPARAM(wparam);
708 POINTER_INPUT_TYPE pointer_type;
709 if (windows_proc_table_->GetPointerType(contact_id, &pointer_type) &&
710 pointer_type == PT_TOUCHPAD) {
711 direct_manipulation_owner_->SetContact(contact_id);
712 }
713 }
714 break;
715 }
716 case WM_INPUTLANGCHANGE:
717 // TODO(cbracken): pass this to TextInputManager to aid with
718 // language-specific issues.
719 break;
720 case WM_IME_SETCONTEXT:
721 OnImeSetContext(message, wparam, lparam);
722 // Strip the ISC_SHOWUICOMPOSITIONWINDOW bit from lparam before passing it
723 // to DefWindowProc() so that the composition window is hidden since
724 // Flutter renders the composing string itself.
725 result_lparam &= ~ISC_SHOWUICOMPOSITIONWINDOW;
726 break;
727 case WM_IME_STARTCOMPOSITION:
728 OnImeStartComposition(message, wparam, lparam);
729 // Suppress further processing by DefWindowProc() so that the default
730 // system IME style isn't used, but rather the one set in the
731 // WM_IME_SETCONTEXT handler.
732 return TRUE;
733 case WM_IME_COMPOSITION:
734 OnImeComposition(message, wparam, lparam);
735 if (lparam & GCS_RESULTSTR || lparam & GCS_COMPSTR) {
736 // Suppress further processing by DefWindowProc() since otherwise it
737 // will emit the result string as WM_CHAR messages on commit. Instead,
738 // committing the composing text to the EditableText string is handled
739 // in TextInputModel::CommitComposing, triggered by
740 // OnImeEndComposition().
741 return TRUE;
742 }
743 break;
744 case WM_IME_ENDCOMPOSITION:
745 OnImeEndComposition(message, wparam, lparam);
746 return TRUE;
747 case WM_IME_REQUEST:
748 OnImeRequest(message, wparam, lparam);
749 break;
750 case WM_UNICHAR: {
751 // Tell third-pary app, we can support Unicode.
752 if (wparam == UNICODE_NOCHAR)
753 return TRUE;
754 // DefWindowProc will send WM_CHAR for this WM_UNICHAR.
755 break;
756 }
757 case WM_THEMECHANGED:
758 OnThemeChange();
759 break;
760 case WM_DEADCHAR:
761 case WM_SYSDEADCHAR:
762 case WM_CHAR:
763 case WM_SYSCHAR:
764 case WM_KEYDOWN:
765 case WM_SYSKEYDOWN:
766 case WM_KEYUP:
767 case WM_SYSKEYUP:
768 if (keyboard_manager_->HandleMessage(message, wparam, lparam)) {
769 return 0;
770 }
771 break;
772 }
773
774 return Win32DefWindowProc(window_handle_, message, wparam, result_lparam);
775 }

References flutter::GetDpiForHWND(), flutter::kControl, flutter::kFocus, flutter::kHide, flutter::kShift, flutter::kShow, flutter::kUnfocus, and message.

## ◆ InitializeChild()

void flutter::FlutterWindow::InitializeChild | ( | const char * | title,
|  | unsigned int | width,
|  | unsigned int | height
| ) |  |

Definition at line 421 of file flutter_window.cc.

423 {
424 Destroy();
425 std::wstring converted_title = NarrowToWide(title);
426
427 WNDCLASS window_class = RegisterWindowClass(converted_title);
428
429 auto* result = CreateWindowEx(
430 0, window_class.lpszClassName, converted_title.c_str(),
431 WS_CHILD | WS_VISIBLE, CW_DEFAULT, CW_DEFAULT, width, height,
432 HWND_MESSAGE, nullptr, window_class.hInstance, this);
433
434 if (result == nullptr) {
435 auto error = GetLastError();
436 LPWSTR message = nullptr;
437 size_t size = FormatMessageW(
438 FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
439 FORMAT_MESSAGE_IGNORE_INSERTS,
440 NULL, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
441 reinterpret_cast<LPWSTR>(&message), 0, NULL);
442 OutputDebugString(message);
443 LocalFree(message);
444 }
445 SetUserObjectInformationA(GetCurrentProcess(),
446 UOI_TIMERPROC_EXCEPTION_SUPPRESSION, FALSE, 1);
447 // SetTimer is not precise, if a 16 ms interval is requested, it will instead
448 // often fire in an interval of 32 ms. Providing a value of 14 will ensure it
449 // runs every 16 ms, which will allow for 60 Hz trackpad gesture events, which
450 // is the maximal frequency supported by SetTimer.
451 SetTimer(result, kDirectManipulationTimer, 14, nullptr);
452 direct_manipulation_owner_ = std::make_unique<DirectManipulationOwner>(this);
453 direct_manipulation_owner_->Init(width, height);
454 }

References direct_manipulation_owner_, message, and NarrowToWide().

Referenced by FlutterWindow().

## ◆ IsVisible()

bool flutter::FlutterWindow::IsVisible | ( |  | ) |
| override virtual

Implements flutter::WindowBindingHandler.

Definition at line 171 of file flutter_window.cc.

171 {
172 return IsWindowVisible(GetWindowHandle());
173 }

References GetWindowHandle().

## ◆ NarrowToWide()

std::wstring flutter::FlutterWindow::NarrowToWide | ( | const char * | source | ) |
| protected

Definition at line 478 of file flutter_window.cc.

478 {
479 size_t length = strlen(source);
480 size_t outlen = 0;
481 std::wstring wideTitle(length, L'#');
482 mbstowcs_s(&outlen, &wideTitle[0], length + 1, source, length);
483 return wideTitle;
484 }

Referenced by InitializeChild().

## ◆ OnBitmapSurfaceUpdated()

bool flutter::FlutterWindow::OnBitmapSurfaceUpdated | ( | const void * | allocation,
|  | size_t | row_bytes,
|  | size_t | height
| ) |  |
| override virtual

Implements flutter::WindowBindingHandler.

Definition at line 311 of file flutter_window.cc.

313 {
314 HDC dc = ::GetDC(GetWindowHandle());
315 BITMAPINFO bmi = {};
316 bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
317 bmi.bmiHeader.biWidth = row_bytes / 4;
318 bmi.bmiHeader.biHeight = -height;
319 bmi.bmiHeader.biPlanes = 1;
320 bmi.bmiHeader.biBitCount = 32;
321 bmi.bmiHeader.biCompression = BI_RGB;
322 bmi.bmiHeader.biSizeImage = 0;
323 int ret = SetDIBitsToDevice(dc, 0, 0, row_bytes / 4, height, 0, 0, 0, height,
324 allocation, &bmi, DIB_RGB_COLORS);
325 ::ReleaseDC(GetWindowHandle(), dc);
326 return ret != 0;
327 }

References GetWindowHandle().

Referenced by flutter::testing::TEST().

## ◆ OnComposeBegin()

void flutter::FlutterWindow::OnComposeBegin | ( |  | ) |
| virtual

Definition at line 265 of file flutter_window.cc.

265 {
266 binding_handler_delegate_->OnComposeBegin();
267 }

References flutter::WindowBindingHandlerDelegate::OnComposeBegin().

Referenced by OnImeStartComposition().

## ◆ OnComposeChange()

void flutter::FlutterWindow::OnComposeChange | ( | const std::u16string & | text,
|  | int | cursor_pos
| ) |  |
| virtual

Definition at line 277 of file flutter_window.cc.

278 {
279 binding_handler_delegate_->OnComposeChange(text, cursor_pos);
280 }

References flutter::WindowBindingHandlerDelegate::OnComposeChange(), and text.

Referenced by OnImeComposition().

## ◆ OnComposeCommit()

void flutter::FlutterWindow::OnComposeCommit | ( |  | ) |
| virtual

Definition at line 269 of file flutter_window.cc.

269 {
270 binding_handler_delegate_->OnComposeCommit();
271 }

References flutter::WindowBindingHandlerDelegate::OnComposeCommit().

Referenced by OnImeComposition().

## ◆ OnComposeEnd()

void flutter::FlutterWindow::OnComposeEnd | ( |  | ) |
| virtual

Definition at line 273 of file flutter_window.cc.

273 {
274 binding_handler_delegate_->OnComposeEnd();
275 }

References flutter::WindowBindingHandlerDelegate::OnComposeEnd().

Referenced by OnImeEndComposition().

## ◆ OnCursorRectUpdated()

void flutter::FlutterWindow::OnCursorRectUpdated | ( | const Rect & | rect | ) |
| override virtual

Implements flutter::WindowBindingHandler.

Definition at line 299 of file flutter_window.cc.

299 {
300 // Convert the rect from Flutter logical coordinates to device coordinates.
301 auto scale = GetDpiScale();
302 Point origin(rect.left() * scale, rect.top() * scale);
303 Size size(rect.width() * scale, rect.height() * scale);
304 UpdateCursorRect(Rect(origin, size));
305 }

References GetDpiScale(), flutter::Rect::height(), flutter::Rect::left(), flutter::Rect::top(), UpdateCursorRect(), and flutter::Rect::width().

## ◆ OnDpiScale()

void flutter::FlutterWindow::OnDpiScale | ( | unsigned int | dpi | ) |
| virtual

Definition at line 188 of file flutter_window.cc.

188 {};

## ◆ OnGetObject()

LRESULT flutter::FlutterWindow::OnGetObject | ( | UINT const | message,
|  | WPARAM const | wparam,
|  | LPARAM const | lparam
| ) |  |
| protected virtual

Definition at line 777 of file flutter_window.cc.

779 {
780 LRESULT reference_result = static_cast<LRESULT>(0L);
781
782 // Only the lower 32 bits of lparam are valid when checking the object id
783 // because it sometimes gets sign-extended incorrectly (but not always).
784 DWORD obj_id = static_cast<DWORD>(static_cast<DWORD_PTR>(lparam));
785
786 bool is_uia_request = static_cast<DWORD>(UiaRootObjectId) == obj_id;
787 bool is_msaa_request = static_cast<DWORD>(OBJID_CLIENT) == obj_id;
788
789 if (is_uia_request || is_msaa_request) {
790 // On Windows, we don't get a notification that the screen reader has been
791 // enabled or disabled. There is an API to query for screen reader state,
792 // but that state isn't set by all screen readers, including by Narrator,
793 // the screen reader that ships with Windows:
794 // https://docs.microsoft.com/en-us/windows/win32/winauto/screen-reader-parameter
795 //
796 // Instead, we enable semantics in Flutter if Windows issues queries for
797 // Microsoft Active Accessibility (MSAA) COM objects.
798 OnUpdateSemanticsEnabled(true);
799 }
800
801 gfx::NativeViewAccessible root_view = GetNativeViewAccessible();
802 // TODO(schectman): UIA is currently disabled by default.
803 // https://github.com/flutter/flutter/issues/114547
804 if (root_view) {
805 CreateAxFragmentRoot();
806 if (is_uia_request) {
807 #ifdef FLUTTER_ENGINE_USE_UIA
808 // Retrieve UIA object for the root view.
809 Microsoft::WRL::ComPtr<IRawElementProviderSimple> root;
810 if (SUCCEEDED(
811 ax_fragment_root_->GetNativeViewAccessible()->QueryInterface(
812 IID_PPV_ARGS(&root)))) {
813 // Return the UIA object via UiaReturnRawElementProvider(). See:
814 // https://docs.microsoft.com/en-us/windows/win32/winauto/wm-getobject
815 reference_result = UiaReturnRawElementProvider(window_handle_, wparam,
816 lparam, root.Get());
817 } else {
818 FML_LOG(ERROR) << "Failed to query AX fragment root.";
819 }
820 #endif // FLUTTER_ENGINE_USE_UIA
821 } else if (is_msaa_request) {
822 // Create the accessibility root if it does not already exist.
823 // Return the IAccessible for the root view.
824 Microsoft::WRL::ComPtr<IAccessible> root;
825 ax_fragment_root_->GetNativeViewAccessible()->QueryInterface(
826 IID_PPV_ARGS(&root));
827 reference_result = LresultFromObject(IID_IAccessible, wparam, root.Get());
828 }
829 }
830 return reference_result;
831 }

References GetNativeViewAccessible(), and OnUpdateSemanticsEnabled().

## ◆ OnImeComposition()

void flutter::FlutterWindow::OnImeComposition | ( | UINT const | message,
|  | WPARAM const | wparam,
|  | LPARAM const | lparam
| ) |  |
| protected virtual

Definition at line 848 of file flutter_window.cc.

850 {
851 // Update the IME window position.
852 text_input_manager_->UpdateImeWindow();
853
854 if (lparam == 0) {
855 OnComposeChange(u"", 0);
856 OnComposeCommit();
857 }
858
859 // Process GCS_RESULTSTR at fisrt, because Google Japanese Input and ATOK send
860 // both GCS_RESULTSTR and GCS_COMPSTR to commit composed text and send new
861 // composing text.
862 if (lparam & GCS_RESULTSTR) {
863 // Commit but don't end composing.
864 // Read the committed composing string.
865 long pos = text_input_manager_->GetComposingCursorPosition();
866 std::optional<std::u16string> text = text_input_manager_->GetResultString();
867 if (text) {
868 OnComposeChange(text.value(), pos);
869 OnComposeCommit();
870 }
871 }
872 if (lparam & GCS_COMPSTR) {
873 // Read the in-progress composing string.
874 long pos = text_input_manager_->GetComposingCursorPosition();
875 std::optional<std::u16string> text =
876 text_input_manager_->GetComposingString();
877 if (text) {
878 OnComposeChange(text.value(), pos);
879 }
880 }
881 }

References OnComposeChange(), OnComposeCommit(), and text.

## ◆ OnImeEndComposition()

void flutter::FlutterWindow::OnImeEndComposition | ( | UINT const | message,
|  | WPARAM const | wparam,
|  | LPARAM const | lparam
| ) |  |
| protected virtual

Definition at line 883 of file flutter_window.cc.

885 {
886 text_input_manager_->DestroyImeWindow();
887 OnComposeEnd();
888 }

References OnComposeEnd().

## ◆ OnImeRequest()

void flutter::FlutterWindow::OnImeRequest | ( | UINT const | message,
|  | WPARAM const | wparam,
|  | LPARAM const | lparam
| ) |  |
| protected virtual

Definition at line 890 of file flutter_window.cc.

892 {
893 // TODO(cbracken): Handle IMR_RECONVERTSTRING, IMR_DOCUMENTFEED,
894 // and IMR_QUERYCHARPOSITION messages.
895 // https://github.com/flutter/flutter/issues/74547
896 }

## ◆ OnImeSetContext()

void flutter::FlutterWindow::OnImeSetContext | ( | UINT const | message,
|  | WPARAM const | wparam,
|  | LPARAM const | lparam
| ) |  |
| protected virtual

Definition at line 833 of file flutter_window.cc.

835 {
836 if (wparam != 0) {
837 text_input_manager_->CreateImeWindow();
838 }
839 }

## ◆ OnImeStartComposition()

void flutter::FlutterWindow::OnImeStartComposition | ( | UINT const | message,
|  | WPARAM const | wparam,
|  | LPARAM const | lparam
| ) |  |
| protected virtual

Definition at line 841 of file flutter_window.cc.

843 {
844 text_input_manager_->CreateImeWindow();
845 OnComposeBegin();
846 }

References OnComposeBegin().

## ◆ OnKey()

void flutter::FlutterWindow::OnKey | ( | int | key,
|  | int | scancode,
|  | int | action,
|  | char32_t | character,
|  | bool | extended,
|  | bool | was_down,
|  | KeyEventCallback | callback
| ) |  |
| override virtual

Implements flutter::KeyboardManager::WindowDelegate.

Definition at line 254 of file flutter_window.cc.

260 {
261 binding_handler_delegate_->OnKey(key, scancode, action, character, extended,
262 was_down, std::move(callback));
263 }

References action, callback, character, extended, key, flutter::WindowBindingHandlerDelegate::OnKey(), scancode, and was_down.

## ◆ OnPaint()

void flutter::FlutterWindow::OnPaint | ( |  | ) |
| virtual

Definition at line 198 of file flutter_window.cc.

198 {
199 if (binding_handler_delegate_ != nullptr) {
200 binding_handler_delegate_->OnWindowRepaint();
201 }
202 }

References flutter::WindowBindingHandlerDelegate::OnWindowRepaint().

## ◆ OnPointerDown()

void flutter::FlutterWindow::OnPointerDown | ( | double | x,
|  | double | y,
|  | FlutterPointerDeviceKind | device_kind,
|  | int32_t | device_id,
|  | UINT | button
| ) |  |
| virtual

Definition at line 213 of file flutter_window.cc.

217 {
218 uint64_t flutter_button = ConvertWinButtonToFlutterButton(button);
219 if (flutter_button != 0) {
220 binding_handler_delegate_->OnPointerDown(
221 x, y, device_kind, device_id,
222 static_cast<FlutterPointerMouseButtons>(flutter_button));
223 }
224 }

References flutter::WindowBindingHandlerDelegate::OnPointerDown().

Referenced by flutter::testing::TEST().

## ◆ OnPointerLeave()

void flutter::FlutterWindow::OnPointerLeave | ( | double | x,
|  | double | y,
|  | FlutterPointerDeviceKind | device_kind,
|  | int32_t | device_id
| ) |  |
| virtual

Definition at line 239 of file flutter_window.cc.

242 {
243 binding_handler_delegate_->OnPointerLeave(x, y, device_kind, device_id);
244 }

References flutter::WindowBindingHandlerDelegate::OnPointerLeave().

Referenced by flutter::testing::TEST().

## ◆ OnPointerMove()

void flutter::FlutterWindow::OnPointerMove | ( | double | x,
|  | double | y,
|  | FlutterPointerDeviceKind | device_kind,
|  | int32_t | device_id,
|  | int | modifiers_state
| ) |  |
| virtual

Definition at line 204 of file flutter_window.cc.

208 {
209 binding_handler_delegate_->OnPointerMove(x, y, device_kind, device_id,
210 modifiers_state);
211 }

References flutter::WindowBindingHandlerDelegate::OnPointerMove().

Referenced by flutter::testing::TEST().

## ◆ OnPointerUp()

void flutter::FlutterWindow::OnPointerUp | ( | double | x,
|  | double | y,
|  | FlutterPointerDeviceKind | device_kind,
|  | int32_t | device_id,
|  | UINT | button
| ) |  |
| virtual

Definition at line 226 of file flutter_window.cc.

230 {
231 uint64_t flutter_button = ConvertWinButtonToFlutterButton(button);
232 if (flutter_button != 0) {
233 binding_handler_delegate_->OnPointerUp(
234 x, y, device_kind, device_id,
235 static_cast<FlutterPointerMouseButtons>(flutter_button));
236 }
237 }

References flutter::WindowBindingHandlerDelegate::OnPointerUp().

Referenced by flutter::testing::TEST().

## ◆ OnResetImeComposing()

void flutter::FlutterWindow::OnResetImeComposing | ( |  | ) |
| override virtual

Implements flutter::WindowBindingHandler.

Definition at line 307 of file flutter_window.cc.

307 {
308 AbortImeComposing();
309 }

References AbortImeComposing().

## ◆ OnResize()

void flutter::FlutterWindow::OnResize | ( | unsigned int | width,
|  | unsigned int | height
| ) |  |
| virtual

Definition at line 192 of file flutter_window.cc.

192 {
193 if (binding_handler_delegate_ != nullptr) {
194 binding_handler_delegate_->OnWindowSizeChanged(width, height);
195 }
196 }

References flutter::WindowBindingHandlerDelegate::OnWindowSizeChanged().

## ◆ OnScroll()

void flutter::FlutterWindow::OnScroll | ( | double | delta_x,
|  | double | delta_y,
|  | FlutterPointerDeviceKind | device_kind,
|  | int32_t | device_id
| ) |  |
| virtual

Definition at line 286 of file flutter_window.cc.

289 {
290 POINT point;
291 GetCursorPos(&point);
292
293 ScreenToClient(GetWindowHandle(), &point);
294 binding_handler_delegate_->OnScroll(point.x, point.y, delta_x, delta_y,
295 GetScrollOffsetMultiplier(), device_kind,
296 device_id);
297 }

References GetScrollOffsetMultiplier(), GetWindowHandle(), and flutter::WindowBindingHandlerDelegate::OnScroll().

## ◆ OnSetCursor()

void flutter::FlutterWindow::OnSetCursor | ( |  | ) |
| virtual

Definition at line 246 of file flutter_window.cc.

246 {
247 ::SetCursor(current_cursor_);
248 }

## ◆ OnText()

void flutter::FlutterWindow::OnText | ( | const std::u16string & | text | ) |
| override virtual

Implements flutter::KeyboardManager::WindowDelegate.

Definition at line 250 of file flutter_window.cc.

250 {
251 binding_handler_delegate_->OnText(text);
252 }

References flutter::WindowBindingHandlerDelegate::OnText(), and text.

## ◆ OnThemeChange()

void flutter::FlutterWindow::OnThemeChange | ( |  | ) |
| virtual

Definition at line 344 of file flutter_window.cc.

344 {
345 binding_handler_delegate_->OnHighContrastChanged();
346 }

References flutter::WindowBindingHandlerDelegate::OnHighContrastChanged().

## ◆ OnUpdateSemanticsEnabled()

void flutter::FlutterWindow::OnUpdateSemanticsEnabled | ( | bool | enabled | ) |
| virtual

Definition at line 282 of file flutter_window.cc.

282 {
283 binding_handler_delegate_->OnUpdateSemanticsEnabled(enabled);
284 }

References flutter::WindowBindingHandlerDelegate::OnUpdateSemanticsEnabled().

Referenced by OnGetObject().

## ◆ OnWindowStateEvent()

void flutter::FlutterWindow::OnWindowStateEvent | ( | WindowStateEvent | event | ) |
| virtual

Definition at line 362 of file flutter_window.cc.

362 {
363 switch (event) {
364 case WindowStateEvent::kShow:
365 restored_ = true;
366 break;
367 case WindowStateEvent::kHide:
368 restored_ = false;
369 focused_ = false;
370 break;
371 case WindowStateEvent::kFocus:
372 focused_ = true;
373 break;
374 case WindowStateEvent::kUnfocus:
375 focused_ = false;
376 break;
377 }
378 HWND hwnd = GetWindowHandle();
379 if (hwnd && binding_handler_delegate_) {
380 binding_handler_delegate_->OnWindowStateEvent(hwnd, event);
381 }
382 }

References GetWindowHandle(), flutter::kFocus, flutter::kHide, flutter::kShow, flutter::kUnfocus, and flutter::WindowBindingHandlerDelegate::OnWindowStateEvent().

Referenced by SetView(), and ~FlutterWindow().

## ◆ SetFlutterCursor()

void flutter::FlutterWindow::SetFlutterCursor | ( | HCURSOR | cursor | ) |
| override virtual

Implements flutter::WindowBindingHandler.

Definition at line 183 of file flutter_window.cc.

183 {
184 current_cursor_ = cursor;
185 ::SetCursor(current_cursor_);
186 }

## ◆ SetView()

void flutter::FlutterWindow::SetView | ( | WindowBindingHandlerDelegate * | view | ) |
| override virtual

Implements flutter::WindowBindingHandler.

Definition at line 156 of file flutter_window.cc.

156 {
157 binding_handler_delegate_ = window;
158 direct_manipulation_owner_->SetBindingHandlerDelegate(window);
159 if (restored_ && window) {
160 OnWindowStateEvent(WindowStateEvent::kShow);
161 }
162 if (focused_ && window) {
163 OnWindowStateEvent(WindowStateEvent::kFocus);
164 }
165 }

References direct_manipulation_owner_, flutter::kFocus, flutter::kShow, and OnWindowStateEvent().

Referenced by flutter::testing::TEST().

## ◆ UpdateCursorRect()

void flutter::FlutterWindow::UpdateCursorRect | ( | const Rect & | rect | ) |
| protected virtual

Definition at line 902 of file flutter_window.cc.

902 {
903 text_input_manager_->UpdateCaretRect(rect);
904 }

Referenced by OnCursorRectUpdated().

## ◆ UpdateFlutterCursor()

void flutter::FlutterWindow::UpdateFlutterCursor | ( | const std::string & | cursor_name | ) |
| override virtual

Implements flutter::WindowBindingHandler.

Definition at line 179 of file flutter_window.cc.

179 {
180 current_cursor_ = GetCursorByName(cursor_name);
181 }

## ◆ Win32DefWindowProc()

LRESULT flutter::FlutterWindow::Win32DefWindowProc | ( | HWND | hWnd,
|  | UINT | Msg,
|  | WPARAM | wParam,
|  | LPARAM | lParam
| ) |  |
| protected virtual

Definition at line 922 of file flutter_window.cc.

925 {
926 return ::DefWindowProc(hWnd, Msg, wParam, lParam);
927 }

## ◆ Win32DispatchMessage()

UINT flutter::FlutterWindow::Win32DispatchMessage | ( | UINT | Msg,
|  | WPARAM | wParam,
|  | LPARAM | lParam
| ) |  |
| override virtual

Implements flutter::KeyboardManager::WindowDelegate.

Definition at line 472 of file flutter_window.cc.

474 {
475 return ::SendMessage(window_handle_, Msg, wParam, lParam);
476 }

## ◆ Win32MapVkToChar()

uint32_t flutter::FlutterWindow::Win32MapVkToChar | ( | uint32_t | virtual_key | ) |
| override virtual

Implements flutter::KeyboardManager::WindowDelegate.

Definition at line 468 of file flutter_window.cc.

468 {
469 return ::MapVirtualKey(virtual_key, MAPVK_VK_TO_CHAR);
470 }

## ◆ Win32PeekMessage()

BOOL flutter::FlutterWindow::Win32PeekMessage | ( | LPMSG | lpMsg,
|  | UINT | wMsgFilterMin,
|  | UINT | wMsgFilterMax,
|  | UINT | wRemoveMsg
| ) |  |
| override virtual

Implements flutter::KeyboardManager::WindowDelegate.

Definition at line 460 of file flutter_window.cc.

463 {
464 return ::PeekMessage(lpMsg, window_handle_, wMsgFilterMin, wMsgFilterMax,
465 wRemoveMsg);
466 }

## Friends And Related Function Documentation

## ◆ WindowAXFragmentRootDelegate

friend class WindowAXFragmentRootDelegate
| friend

Definition at line 382 of file flutter_window.h.

## Member Data Documentation

## ◆ alert_delegate_

std::unique_ptr<AlertPlatformNodeDelegate> flutter::FlutterWindow::alert_delegate_
| protected

Definition at line 271 of file flutter_window.h.

Referenced by GetAlertDelegate().

## ◆ alert_node_

std::unique_ptr<ui::AXPlatformNodeWin> flutter::FlutterWindow::alert_node_
| protected

Definition at line 274 of file flutter_window.h.

Referenced by GetAlert().

## ◆ direct_manipulation_owner_

std::unique_ptr<DirectManipulationOwner> flutter::FlutterWindow::direct_manipulation_owner_
| protected

Definition at line 278 of file flutter_window.h.

Referenced by InitializeChild(), and SetView().

The documentation for this class was generated from the following files:

- shell/platform/windows/flutter_window.h
- shell/platform/windows/flutter_window.cc

flutter::FlutterWindow::GetWindowHandle
virtual HWND GetWindowHandle() override
Definition: flutter_window.cc:456
flutter::WindowBindingHandlerDelegate::OnWindowRepaint
virtual void OnWindowRepaint()=0
flutter::FlutterWindow::GetCurrentHeight
UINT GetCurrentHeight()
Definition: flutter_window.cc:914
flutter::WindowStateEvent::kHide
@ kHide
flutter::FlutterWindow::OnComposeBegin
virtual void OnComposeBegin()
Definition: flutter_window.cc:265
scancode
int scancode
Definition: keyboard_key_handler_unittests.cc:115
flutter::FlutterWindow::GetDpiScale
virtual float GetDpiScale() override
Definition: flutter_window.cc:167
was_down
bool was_down
Definition: keyboard_key_handler_unittests.cc:119
extended
bool extended
Definition: keyboard_key_handler_unittests.cc:118
flutter::FlutterWindow::OnThemeChange
virtual void OnThemeChange()
Definition: flutter_window.cc:344
flutter::FlutterWindow::OnPointerDown
virtual void OnPointerDown(double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id, UINT button)
Definition: flutter_window.cc:213
character
char32_t character
Definition: keyboard_key_handler_unittests.cc:117
flutter::FlutterWindow::GetCurrentWidth
UINT GetCurrentWidth()
Definition: flutter_window.cc:910
flutter::FlutterWindow::NarrowToWide
std::wstring NarrowToWide(const char *source)
Definition: flutter_window.cc:478
flutter::FlutterWindow::OnImeEndComposition
virtual void OnImeEndComposition(UINT const message, WPARAM const wparam, LPARAM const lparam)
Definition: flutter_window.cc:883
flutter::WindowBindingHandlerDelegate::OnPointerMove
virtual void OnPointerMove(double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id, int modifiers_state)=0
flutter::FlutterWindow::OnGetObject
virtual LRESULT OnGetObject(UINT const message, WPARAM const wparam, LPARAM const lparam)
Definition: flutter_window.cc:777
flutter::FlutterWindow::InitializeChild
void InitializeChild(const char *title, unsigned int width, unsigned int height)
Definition: flutter_window.cc:421
flutter::FlutterWindow::AbortImeComposing
virtual void AbortImeComposing()
Definition: flutter_window.cc:898
flutter::WindowBindingHandlerDelegate::GetAxFragmentRootDelegate
virtual ui::AXFragmentRootDelegateWin * GetAxFragmentRootDelegate()=0
flutter::WindowBindingHandlerDelegate::OnHighContrastChanged
virtual void OnHighContrastChanged()=0
flutter::GetDpiForHWND
UINT GetDpiForHWND(HWND hwnd)
Definition: dpi_utils.cc:130
flutter::FlutterWindow::OnPointerMove
virtual void OnPointerMove(double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id, int modifiers_state)
Definition: flutter_window.cc:204
flutter::FlutterWindow::direct_manipulation_owner_
std::unique_ptr< DirectManipulationOwner > direct_manipulation_owner_
Definition: flutter_window.h:278
flutter::WindowBindingHandlerDelegate::OnText
virtual void OnText(const std::u16string &)=0
flutter::FlutterWindow::OnPointerLeave
virtual void OnPointerLeave(double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id)
Definition: flutter_window.cc:239
flutter::FlutterWindow::GetCurrentDPI
UINT GetCurrentDPI()
Definition: flutter_window.cc:906
flutter::FlutterWindow::OnUpdateSemanticsEnabled
virtual void OnUpdateSemanticsEnabled(bool enabled)
Definition: flutter_window.cc:282
flutter::FlutterWindow::OnPointerUp
virtual void OnPointerUp(double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id, UINT button)
Definition: flutter_window.cc:226
flutter::FlutterWindow::GetNativeViewAccessible
virtual gfx::NativeViewAccessible GetNativeViewAccessible()
Definition: flutter_window.cc:329
flutter::FlutterWindow::OnImeSetContext
virtual void OnImeSetContext(UINT const message, WPARAM const wparam, LPARAM const lparam)
Definition: flutter_window.cc:833
text
std::u16string text
Definition: keyboard_unittests.cc:332
flutter::WindowStateEvent::kFocus
@ kFocus
flutter::SequentialIdGenerator::ReleaseNumber
void ReleaseNumber(uint32_t number)
Definition: sequential_id_generator.cc:47
flutter::FlutterWindow::OnComposeChange
virtual void OnComposeChange(const std::u16string &text, int cursor_pos)
Definition: flutter_window.cc:277
flutter::WindowStateEvent::kShow
@ kShow
flutter::FlutterWindow::OnImeStartComposition
virtual void OnImeStartComposition(UINT const message, WPARAM const wparam, LPARAM const lparam)
Definition: flutter_window.cc:841
flutter::FlutterWindow::OnPaint
virtual void OnPaint()
Definition: flutter_window.cc:198
flutter::FlutterWindow::OnSetCursor
virtual void OnSetCursor()
Definition: flutter_window.cc:246
flutter::WindowBindingHandlerDelegate::OnPointerLeave
virtual void OnPointerLeave(double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id)=0
flutter::FlutterWindow::OnWindowStateEvent
virtual void OnWindowStateEvent(WindowStateEvent event)
Definition: flutter_window.cc:362
flutter::WindowBindingHandlerDelegate::OnWindowStateEvent
virtual void OnWindowStateEvent(HWND hwnd, WindowStateEvent event)=0
flutter::WindowBindingHandlerDelegate::OnComposeBegin
virtual void OnComposeBegin()=0
flutter::WindowBindingHandlerDelegate::OnComposeEnd
virtual void OnComposeEnd()=0
flutter::kShift
constexpr int kShift
Definition: keyboard_utils.h:14
flutter::WindowBindingHandlerDelegate::OnComposeCommit
virtual void OnComposeCommit()=0
flutter::FlutterWindow::OnComposeCommit
virtual void OnComposeCommit()
Definition: flutter_window.cc:269
flutter::FlutterWindow::alert_node_
std::unique_ptr< ui::AXPlatformNodeWin > alert_node_
Definition: flutter_window.h:274
flutter::WindowBindingHandlerDelegate::OnPointerDown
virtual void OnPointerDown(double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id, FlutterPointerMouseButtons button)=0
flutter::FlutterWindow::OnImeRequest
virtual void OnImeRequest(UINT const message, WPARAM const wparam, LPARAM const lparam)
Definition: flutter_window.cc:890
flutter::WindowStateEvent::kUnfocus
@ kUnfocus
flutter::FlutterWindow::GetScrollOffsetMultiplier
virtual float GetScrollOffsetMultiplier()
Definition: flutter_window.cc:918
flutter::FlutterWindow::Win32DefWindowProc
virtual LRESULT Win32DefWindowProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
Definition: flutter_window.cc:922
flutter::FlutterWindow::OnScroll
virtual void OnScroll(double delta_x, double delta_y, FlutterPointerDeviceKind device_kind, int32_t device_id)
Definition: flutter_window.cc:286
flutter::FlutterWindow::OnImeComposition
virtual void OnImeComposition(UINT const message, WPARAM const wparam, LPARAM const lparam)
Definition: flutter_window.cc:848
flutter::SequentialIdGenerator::GetGeneratedId
uint32_t GetGeneratedId(uint32_t number)
Definition: sequential_id_generator.cc:32
flutter::FlutterWindow::OnComposeEnd
virtual void OnComposeEnd()
Definition: flutter_window.cc:273
message
Win32Message message
Definition: keyboard_unittests.cc:137
action
int action
Definition: keyboard_key_handler_unittests.cc:116
flutter::WindowBindingHandlerDelegate::GetNativeViewAccessible
virtual gfx::NativeViewAccessible GetNativeViewAccessible()=0
flutter::WindowBindingHandlerDelegate::OnKey
virtual void OnKey(int key, int scancode, int action, char32_t character, bool extended, bool was_down, KeyEventCallback callback)=0
flutter::kControl
constexpr int kControl
Definition: keyboard_utils.h:15
flutter::FlutterWindow::alert_delegate_
std::unique_ptr< AlertPlatformNodeDelegate > alert_delegate_
Definition: flutter_window.h:271
flutter::WindowBindingHandlerDelegate::OnScroll
virtual void OnScroll(double x, double y, double delta_x, double delta_y, int scroll_offset_multiplier, FlutterPointerDeviceKind device_kind, int32_t device_id)=0
key
int key
Definition: keyboard_key_handler_unittests.cc:114
flutter::WindowBindingHandlerDelegate::OnPointerUp
virtual void OnPointerUp(double x, double y, FlutterPointerDeviceKind device_kind, int32_t device_id, FlutterPointerMouseButtons button)=0
flutter::WindowBindingHandlerDelegate::OnComposeChange
virtual void OnComposeChange(const std::u16string &text, int cursor_pos)=0
flutter::WindowBindingHandlerDelegate::OnUpdateSemanticsEnabled
virtual void OnUpdateSemanticsEnabled(bool enabled)=0
flutter::WindowBindingHandlerDelegate::OnWindowSizeChanged
virtual void OnWindowSizeChanged(size_t width, size_t height)=0
flutter::FlutterWindow::OnDpiScale
virtual void OnDpiScale(unsigned int dpi)
Definition: flutter_window.cc:188
callback
FlutterDesktopBinaryReply callback
Definition: flutter_windows_view_unittests.cc:48
flutter::FlutterWindow::UpdateCursorRect
virtual void UpdateCursorRect(const Rect &rect)
Definition: flutter_window.cc:902