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[idd] config: retain four-decimal refresh rates

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This commit is contained in:
Geoffrey McRae
2026-08-17 02:09:58 +10:00
parent c0de47b1e1
commit 9d074519b2
16 changed files with 93 additions and 76 deletions
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24
idd/LGIddHelper/CRegistrySettings.cpp
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@@ -29,7 +29,7 @@
#define LGIDD_REGKEY L"SOFTWARE\\LookingGlass\\IDD"
const DWORD DEFAULT_REFRESH = 120000;
const DWORD DEFAULT_REFRESH = 120 * LG_REFRESH_RATE_SCALE;
CRegistrySettings::CRegistrySettings() : hKey(nullptr) {}
@@ -65,7 +65,7 @@ static std::basic_string<T> trim(const std::basic_string<T> &s)
}
static std::wregex displayMode(
L"(\\d+)x(\\d+)@(\\d+(?:\\.\\d{1,3})?)(\\*)?");
L"(\\d+)x(\\d+)@(\\d+(?:\\.\\d{1,4})?)(\\*)?");
static std::optional<DisplayMode> parseDisplayMode(const std::wstring &str)
{
@@ -78,7 +78,7 @@ static std::optional<DisplayMode> parseDisplayMode(const std::wstring &str)
DisplayMode mode;
mode.width = std::stoul(match[1]);
mode.height = std::stoul(match[2]);
if (!LGParseRefreshRate(match[3], mode.refreshMilliHz))
if (!LGParseRefreshRate(match[3], mode.refresh100uHz))
return {};
mode.preferred = match[4] == L"*";
return mode;
@@ -87,7 +87,7 @@ static std::optional<DisplayMode> parseDisplayMode(const std::wstring &str)
std::vector<DisplayMode> CRegistrySettings::getDefaultModes()
{
auto defaultRefresh = getDefaultRefresh();
const unsigned refreshMilliHz =
const unsigned refresh100uHz =
defaultRefresh ? *defaultRefresh : DEFAULT_REFRESH;
std::vector<DisplayMode> result;
@@ -96,7 +96,7 @@ std::vector<DisplayMode> CRegistrySettings::getDefaultModes()
DisplayMode mode;
mode.width = DefaultDisplayModes[i][0];
mode.height = DefaultDisplayModes[i][1];
mode.refreshMilliHz = refreshMilliHz;
mode.refresh100uHz = refresh100uHz;
mode.preferred = i == DefaultPreferredDisplayMode;
result.emplace_back(mode);
}
@@ -166,7 +166,7 @@ std::wstring DisplayMode::toString()
serialized.push_back('x');
serialized.append(std::to_wstring(height));
serialized.push_back('@');
serialized.append(LGFormatRefreshRate(refreshMilliHz));
serialized.append(LGFormatRefreshRate(refresh100uHz));
if (preferred)
serialized.push_back('*');
return serialized;
@@ -192,7 +192,7 @@ std::optional<DWORD> CRegistrySettings::getDefaultRefresh()
status = RegQueryValueExW(hKey, L"DefaultRefresh", nullptr, &type,
(LPBYTE)&refresh, &size);
if (status == ERROR_SUCCESS && refresh >= 24 && refresh <= 1000)
return refresh * 1000;
return refresh * LG_REFRESH_RATE_SCALE;
}
else if ((type == REG_SZ || type == REG_EXPAND_SZ) && size &&
size % sizeof(wchar_t) == 0)
@@ -202,9 +202,9 @@ std::optional<DWORD> CRegistrySettings::getDefaultRefresh()
(LPBYTE)value.data(), &size);
if (status == ERROR_SUCCESS)
{
unsigned refreshMilliHz;
if (LGParseRefreshRate(value.data(), refreshMilliHz))
return refreshMilliHz;
unsigned refresh100uHz;
if (LGParseRefreshRate(value.data(), refresh100uHz))
return refresh100uHz;
}
}
@@ -212,9 +212,9 @@ std::optional<DWORD> CRegistrySettings::getDefaultRefresh()
return {};
}
LSTATUS CRegistrySettings::setDefaultRefresh(DWORD refreshMilliHz)
LSTATUS CRegistrySettings::setDefaultRefresh(DWORD refresh100uHz)
{
const std::wstring value = LGFormatRefreshRate(refreshMilliHz);
const std::wstring value = LGFormatRefreshRate(refresh100uHz);
return RegSetValueExW(hKey, L"DefaultRefresh", 0, REG_SZ,
(const BYTE *)value.c_str(),
(DWORD)((value.size() + 1) * sizeof(wchar_t)));