| Flutter Windows Embedder |

Public Member Functions | List of all members
flutter::WindowsProcTable Class Reference

`#include <windows_proc_table.h>`

## Public Member Functions
| WindowsProcTable ()
virtual | ~WindowsProcTable ()
virtual BOOL | GetPointerType (UINT32 pointer_id, POINTER_INPUT_TYPE *pointer_type) const
virtual LRESULT | GetThreadPreferredUILanguages (DWORD flags, PULONG count, PZZWSTR languages, PULONG length) const
virtual bool | GetHighContrastEnabled () const
virtual bool | DwmIsCompositionEnabled () const
virtual HRESULT | DwmFlush () const

## Detailed Description

Definition at line 17 of file windows_proc_table.h.

## Constructor & Destructor Documentation

## ◆ WindowsProcTable()

flutter::WindowsProcTable::WindowsProcTable | ( |  | ) |

Definition at line 12 of file windows_proc_table.cc.

12 {
13 user32_ = fml::NativeLibrary::Create("user32.dll");
14 get_pointer_type_ =
15 user32_->ResolveFunction<GetPointerType_*>("GetPointerType");
16 }

## ◆ ~WindowsProcTable()

flutter::WindowsProcTable::~WindowsProcTable | ( |  | ) |
| virtual

Definition at line 18 of file windows_proc_table.cc.

18 {
19 user32_ = nullptr;
20 }

## Member Function Documentation

## ◆ DwmFlush()

HRESULT flutter::WindowsProcTable::DwmFlush | ( |  | ) | const
| virtual

Definition at line 57 of file windows_proc_table.cc.

57 {
58 return ::DwmFlush();
59 }

## ◆ DwmIsCompositionEnabled()

bool flutter::WindowsProcTable::DwmIsCompositionEnabled | ( |  | ) | const
| virtual

Definition at line 48 of file windows_proc_table.cc.

48 {
49 BOOL composition_enabled;
50 if (SUCCEEDED(::DwmIsCompositionEnabled(&composition_enabled))) {
51 return composition_enabled;
52 }
53
54 return true;
55 }

## ◆ GetHighContrastEnabled()

bool flutter::WindowsProcTable::GetHighContrastEnabled | ( |  | ) | const
| virtual

Definition at line 38 of file windows_proc_table.cc.

38 {
39 HIGHCONTRAST high_contrast = {.cbSize = sizeof(HIGHCONTRAST)};
40 if (!::SystemParametersInfoW(SPI_GETHIGHCONTRAST, sizeof(HIGHCONTRAST),
41 &high_contrast, 0)) {
42 return false;
43 }
44
45 return high_contrast.dwFlags & HCF_HIGHCONTRASTON;
46 }

## ◆ GetPointerType()

BOOL flutter::WindowsProcTable::GetPointerType | ( | UINT32 | pointer_id,
|  | POINTER_INPUT_TYPE * | pointer_type
| ) |  | const
| virtual

Definition at line 22 of file windows_proc_table.cc.

23 {
24 if (!get_pointer_type_.has_value()) {
25 return FALSE;
26 }
27
28 return get_pointer_type_.value()(pointer_id, pointer_type);
29 }

## ◆ GetThreadPreferredUILanguages()

LRESULT flutter::WindowsProcTable::GetThreadPreferredUILanguages | ( | DWORD | flags,
|  | PULONG | count,
|  | PZZWSTR | languages,
|  | PULONG | length
| ) |  | const
| virtual

Definition at line 31 of file windows_proc_table.cc.

34 {
35 return ::GetThreadPreferredUILanguages(flags, count, languages, length);
36 }

Referenced by flutter::GetPreferredLanguagesFromMUI().

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

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

flutter::WindowsProcTable::DwmIsCompositionEnabled
virtual bool DwmIsCompositionEnabled() const
Definition: windows_proc_table.cc:48