gecko-dev/mozglue/misc/WindowsDpiAwareness.h
Doug Thayer 37cb06da7e Bug 1665357 - Ensure DPI_AWARENESS_CONTEXT is defined r=mhowell
This is currently failing the tier 2 MinGW-Clang builds, complaining
that DPI_AWARENESS_CONTEXT is not defined. Accordingly I pulled out the
logic from WinUtils.h which ensures it is defined into a shared header.

Differential Revision: https://phabricator.services.mozilla.com/D90467
2020-09-16 20:14:40 +00:00

42 lines
1.5 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)
#if WINVER < 0x0605
WINUSERAPI DPI_AWARENESS_CONTEXT WINAPI GetThreadDpiAwarenessContext();
WINUSERAPI BOOL WINAPI AreDpiAwarenessContextsEqual(DPI_AWARENESS_CONTEXT,
DPI_AWARENESS_CONTEXT);
#endif /* WINVER < 0x0605 */
typedef DPI_AWARENESS_CONTEXT(WINAPI* SetThreadDpiAwarenessContextProc)(
DPI_AWARENESS_CONTEXT);
typedef BOOL(WINAPI* EnableNonClientDpiScalingProc)(HWND);
typedef int(WINAPI* GetSystemMetricsForDpiProc)(int, UINT);
#endif