gecko-dev/mozglue/misc/WindowsDpiAwareness.h

37 lines
1.2 KiB
C

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
#ifndef WindowsDpiAwareness_h_
#define WindowsDpiAwareness_h_
#include <windows.h>
#if !defined(DPI_AWARENESS_CONTEXT_DECLARED) && \
!defined(DPI_AWARENESS_CONTEXT_UNAWARE)
DECLARE_HANDLE(DPI_AWARENESS_CONTEXT);
typedef enum DPI_AWARENESS {
DPI_AWARENESS_INVALID = -1,
DPI_AWARENESS_UNAWARE = 0,
DPI_AWARENESS_SYSTEM_AWARE = 1,
DPI_AWARENESS_PER_MONITOR_AWARE = 2
} DPI_AWARENESS;
# define DPI_AWARENESS_CONTEXT_UNAWARE ((DPI_AWARENESS_CONTEXT) - 1)
# define DPI_AWARENESS_CONTEXT_SYSTEM_AWARE ((DPI_AWARENESS_CONTEXT) - 2)
# define DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE ((DPI_AWARENESS_CONTEXT) - 3)
# define DPI_AWARENESS_CONTEXT_DECLARED
#endif // (DPI_AWARENESS_CONTEXT_DECLARED)
typedef DPI_AWARENESS_CONTEXT(WINAPI* SetThreadDpiAwarenessContextProc)(
DPI_AWARENESS_CONTEXT);
typedef BOOL(WINAPI* EnableNonClientDpiScalingProc)(HWND);
typedef int(WINAPI* GetSystemMetricsForDpiProc)(int, UINT);
#endif