WindowsDpiAwareness.h (1266B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */ 6 7 #ifndef WindowsDpiAwareness_h_ 8 #define WindowsDpiAwareness_h_ 9 10 #include <windows.h> 11 12 #if !defined(DPI_AWARENESS_CONTEXT_DECLARED) && \ 13 !defined(DPI_AWARENESS_CONTEXT_UNAWARE) 14 15 DECLARE_HANDLE(DPI_AWARENESS_CONTEXT); 16 17 typedef enum DPI_AWARENESS { 18 DPI_AWARENESS_INVALID = -1, 19 DPI_AWARENESS_UNAWARE = 0, 20 DPI_AWARENESS_SYSTEM_AWARE = 1, 21 DPI_AWARENESS_PER_MONITOR_AWARE = 2 22 } DPI_AWARENESS; 23 24 # define DPI_AWARENESS_CONTEXT_UNAWARE ((DPI_AWARENESS_CONTEXT) - 1) 25 # define DPI_AWARENESS_CONTEXT_SYSTEM_AWARE ((DPI_AWARENESS_CONTEXT) - 2) 26 # define DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE ((DPI_AWARENESS_CONTEXT) - 3) 27 28 # define DPI_AWARENESS_CONTEXT_DECLARED 29 #endif // (DPI_AWARENESS_CONTEXT_DECLARED) 30 31 typedef DPI_AWARENESS_CONTEXT(WINAPI* SetThreadDpiAwarenessContextProc)( 32 DPI_AWARENESS_CONTEXT); 33 typedef BOOL(WINAPI* EnableNonClientDpiScalingProc)(HWND); 34 typedef int(WINAPI* GetSystemMetricsForDpiProc)(int, UINT); 35 36 #endif