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Simplifying the code

This commit is contained in:
gmh5225 2022-06-07 19:31:20 +08:00
parent 7fe1381fc4
commit 670746737d
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GPG Key ID: 3BBC731F40B2CEC1
1 changed files with 15 additions and 18 deletions
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33
src/gui/Src/main.cpp
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@ -73,27 +73,24 @@ static bool isValidLocale(const QString & locale)
return false;
}
static void enableHighDpiScaling()
static void
enableHighDpiScaling()
{
// https://www.vergiliusproject.com/kernels/x64/Windows%2010%20%7C%202016/2009%2020H2%20(October%202020%20Update)/_KUSER_SHARED_DATA
unsigned int NtBuildNumber = *(unsigned int*)(0x7FFE0000 + 0x260);
if(NtBuildNumber == 0 /* pre Windows-10 */ || NtBuildNumber < 15063)
// https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-setprocessdpiawarenesscontext
static HMODULE user32 = LoadLibraryW(L"user32.dll");
if(user32)
{
// old windows version
QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
}
else
{
// https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-setprocessdpiawarenesscontext
static HMODULE user32 = LoadLibraryW(L"user32.dll");
if(user32)
typedef unsigned int(WINAPI * pfnSetProcessDpiAwarenessContext)(unsigned int value);
static pfnSetProcessDpiAwarenessContext pSetProcessDpiAwarenessContext =
(pfnSetProcessDpiAwarenessContext)GetProcAddress(user32, "SetProcessDpiAwarenessContext");
if(pSetProcessDpiAwarenessContext)
{
typedef unsigned int(*pfnSetProcessDpiAwarenessContext)(int value);
static pfnSetProcessDpiAwarenessContext pSetProcessDpiAwarenessContext = (pfnSetProcessDpiAwarenessContext)GetProcAddress(user32, "SetProcessDpiAwarenessContext");
if(pSetProcessDpiAwarenessContext)
{
pSetProcessDpiAwarenessContext(/*DPI_AWARENESS_CONTEXT_SYSTEM_AWARE*/ -2);
}
pSetProcessDpiAwarenessContext(/*DPI_AWARENESS_CONTEXT_SYSTEM_AWARE*/ -2);
}
else
{
// Old windows version
QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
}
}
}