flutter::WindowsProcTable Class Reference

#include <windows_proc_table.h>

Classes
struct	WINDOWCOMPOSITIONATTRIBDATA

Public Types
enum	WINDOWCOMPOSITIONATTRIB { WCA_ACCENT_POLICY = 19 }

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
virtual HCURSOR	LoadCursor (HINSTANCE instance, LPCWSTR cursor_name) const
virtual HCURSOR	SetCursor (HCURSOR cursor) const
virtual BOOL	EnableNonClientDpiScaling (HWND hwnd) const
virtual BOOL	SetWindowCompositionAttribute (HWND hwnd, WINDOWCOMPOSITIONATTRIBDATA *data) const
virtual HRESULT	DwmExtendFrameIntoClientArea (HWND hwnd, const MARGINS *pMarInset) const
virtual HRESULT	DwmSetWindowAttribute (HWND hwnd, DWORD dwAttribute, LPCVOID pvAttribute, DWORD cbAttribute) const
virtual BOOL	AdjustWindowRectExForDpi (LPRECT lpRect, DWORD dwStyle, BOOL bMenu, DWORD dwExStyle, UINT dpi) const

Detailed Description

Definition at line 18 of file windows_proc_table.h.

Member Enumeration Documentation

WINDOWCOMPOSITIONATTRIB

enum flutter::WindowsProcTable::WINDOWCOMPOSITIONATTRIB

Enumerator
WCA_ACCENT_POLICY

Definition at line 20 of file windows_proc_table.h.

{ WCA_ACCENT_POLICY = 19 };

Constructor & Destructor Documentation

WindowsProcTable()

flutter::WindowsProcTable::WindowsProcTable

(

)

Definition at line 12 of file windows_proc_table.cc.

                                   {
  user32_ = fml::NativeLibrary::Create("user32.dll");
  get_pointer_type_ =
      user32_->ResolveFunction<GetPointerType_*>("GetPointerType");
  enable_non_client_dpi_scaling_ =
      user32_->ResolveFunction<EnableNonClientDpiScaling_*>(
          "EnableNonClientDpiScaling");
  set_window_composition_attribute_ =
      user32_->ResolveFunction<SetWindowCompositionAttribute_*>(
          "SetWindowCompositionAttribute");
  adjust_window_rect_ext_for_dpi_ =
      user32_->ResolveFunction<AdjustWindowRectExForDpi_*>(
          "AdjustWindowRectExForDpi");
}

~WindowsProcTable()

flutter::WindowsProcTable::~WindowsProcTable ( )

virtual

Definition at line 27 of file windows_proc_table.cc.

                                    {
  user32_ = nullptr;
}

Member Function Documentation

AdjustWindowRectExForDpi()

BOOL flutter::WindowsProcTable::AdjustWindowRectExForDpi ( LPRECT  lpRect, DWORD  dwStyle, BOOL  bMenu, DWORD  dwExStyle, UINT  dpi  ) const

virtual

Definition at line 110 of file windows_proc_table.cc.

                                                                {
  if (!adjust_window_rect_ext_for_dpi_.has_value()) {
    return FALSE;
  }
 
  return adjust_window_rect_ext_for_dpi_.value()(lpRect, dwStyle, bMenu,
                                                 dwExStyle, dpi);
}

DwmExtendFrameIntoClientArea()

HRESULT flutter::WindowsProcTable::DwmExtendFrameIntoClientArea ( HWND  hwnd, const MARGINS *  pMarInset  ) const

virtual

Definition at line 97 of file windows_proc_table.cc.

                                    {
  return ::DwmExtendFrameIntoClientArea(hwnd, pMarInset);
}

DwmFlush()

HRESULT flutter::WindowsProcTable::DwmFlush ( ) const

virtual

Definition at line 66 of file windows_proc_table.cc.

                                         {
  return ::DwmFlush();
}

DwmIsCompositionEnabled()

bool flutter::WindowsProcTable::DwmIsCompositionEnabled ( ) const

virtual

Definition at line 57 of file windows_proc_table.cc.

                                                     {
  BOOL composition_enabled;
  if (SUCCEEDED(::DwmIsCompositionEnabled(&composition_enabled))) {
    return composition_enabled;
  }
 
  return true;
}

DwmSetWindowAttribute()

HRESULT flutter::WindowsProcTable::DwmSetWindowAttribute ( HWND  hwnd, DWORD  dwAttribute, LPCVOID  pvAttribute, DWORD  cbAttribute  ) const

virtual

Definition at line 103 of file windows_proc_table.cc.

                                                                         {
  return ::DwmSetWindowAttribute(hwnd, dwAttribute, pvAttribute, cbAttribute);
}

EnableNonClientDpiScaling()

BOOL flutter::WindowsProcTable::EnableNonClientDpiScaling ( HWND  hwnd ) const

virtual

Definition at line 79 of file windows_proc_table.cc.

                                                                {
  if (!enable_non_client_dpi_scaling_.has_value()) {
    return FALSE;
  }
 
  return enable_non_client_dpi_scaling_.value()(hwnd);
}

GetHighContrastEnabled()

bool flutter::WindowsProcTable::GetHighContrastEnabled ( ) const

virtual

Definition at line 47 of file windows_proc_table.cc.

                                                    {
  HIGHCONTRAST high_contrast = {.cbSize = sizeof(HIGHCONTRAST)};
  if (!::SystemParametersInfoW(SPI_GETHIGHCONTRAST, sizeof(HIGHCONTRAST),
                               &high_contrast, 0)) {
    return false;
  }
 
  return high_contrast.dwFlags & HCF_HIGHCONTRASTON;
}

GetPointerType()

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

virtual

Definition at line 31 of file windows_proc_table.cc.

                                                                              {
  if (!get_pointer_type_.has_value()) {
    return FALSE;
  }
 
  return get_pointer_type_.value()(pointer_id, pointer_type);
}

GetThreadPreferredUILanguages()

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

virtual

Definition at line 40 of file windows_proc_table.cc.

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

Referenced by flutter::GetPreferredLanguagesFromMUI().

LoadCursor()

HCURSOR flutter::WindowsProcTable::LoadCursor ( HINSTANCE  instance, LPCWSTR  cursor_name  ) const

virtual

Definition at line 70 of file windows_proc_table.cc.

                                                                {
  return ::LoadCursorW(instance, cursor_name);
}

SetCursor()

HCURSOR flutter::WindowsProcTable::SetCursor ( HCURSOR  cursor ) const

virtual

Definition at line 75 of file windows_proc_table.cc.

                                                        {
  return ::SetCursor(cursor);
}

SetWindowCompositionAttribute()

BOOL flutter::WindowsProcTable::SetWindowCompositionAttribute ( HWND  hwnd, WINDOWCOMPOSITIONATTRIBDATA *  data  ) const

virtual

Definition at line 87 of file windows_proc_table.cc.

                                             {
  if (!set_window_composition_attribute_.has_value()) {
    return FALSE;
  }
 
  return set_window_composition_attribute_.value()(hwnd, data);
}

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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