From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- mozglue/misc/WindowsDpiInitialization.h | 54 +++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 mozglue/misc/WindowsDpiInitialization.h (limited to 'mozglue/misc/WindowsDpiInitialization.h') diff --git a/mozglue/misc/WindowsDpiInitialization.h b/mozglue/misc/WindowsDpiInitialization.h new file mode 100644 index 0000000000..5943d50526 --- /dev/null +++ b/mozglue/misc/WindowsDpiInitialization.h @@ -0,0 +1,54 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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 http://mozilla.org/MPL/2.0/. */ + +#ifndef MOZILLA_MOZGLUE_MISC_WINDOWSDPIINITIALIZATION_H_ +#define MOZILLA_MOZGLUE_MISC_WINDOWSDPIINITIALIZATION_H_ +#include "mozilla/Types.h" + +namespace mozilla { + +// The result codes that may be returned from WindowsDpiInitialization() +enum class WindowsDpiInitializationResult : uint32_t { + Success, + FindSetProcessDpiAwarenessContextFailed, + SetProcessDpiAwarenessContextFailed, + FindSetProcessDpiAwarenessFailed, + SetProcessDpiAwarenessFailed, + SetProcessDPIAwareFailed, +}; + +// Get a string representation of any WindowsDpiInitializationResult value +inline const char* WindowsDpiInitializationResultString( + WindowsDpiInitializationResult result) { + switch (result) { + case WindowsDpiInitializationResult::Success: + return "Success"; + case WindowsDpiInitializationResult:: + FindSetProcessDpiAwarenessContextFailed: + return "Failed to find SetProcessDpiAwarenessContext"; + case WindowsDpiInitializationResult::SetProcessDpiAwarenessContextFailed: + return "SetProcessDpiAwarenessContext failed"; + case WindowsDpiInitializationResult::FindSetProcessDpiAwarenessFailed: + return "Failed to find SetProcessDpiAwareness"; + case WindowsDpiInitializationResult::SetProcessDpiAwarenessFailed: + return "SetProcessDpiAwareness failed"; + case WindowsDpiInitializationResult::SetProcessDPIAwareFailed: + return "SetProcessDPIAware failed"; + default: + return "Unknown result"; + } +} + +// Initialize DPI awareness to the best available for the current OS +// According to MSDN, this will be: +// Per-Monitor V2 for Windows 10 Creators Update (1703) and later +// Per-Monitor V1 for Windows 8.1 and later +// System DPI for Vista and later (we don't support anything older) +// https://docs.microsoft.com/en-us/windows/win32/hidpi/high-dpi-desktop-application-development-on-windows +MFBT_API WindowsDpiInitializationResult WindowsDpiInitialization(); + +} // namespace mozilla + +#endif // MOZILLA_MOZGLUE_MISC_WINDOWSDPIINITIALIZATION_H_ -- cgit v1.2.3