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[idd] transport: configure active instances

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This commit is contained in:
Geoffrey McRae
2026-08-12 23:26:26 +10:00
parent 4768396180
commit c601468871
12 changed files with 621 additions and 53 deletions
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49
idd/LGIdd/config/CSettings.cpp
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@@ -80,6 +80,21 @@ CSettings::DisplayModes CSettings::LoadModes()
return displayModes;
}
TransportInstances CSettings::LoadTransportInstances() const
{
std::vector<std::wstring> entries;
if (!ReadMultiStringValue(L"TransportInstances", entries))
return DefaultTransportInstances();
TransportInstances instances;
if (!ParseTransportInstances(entries, instances))
{
DEBUG_WARN("Invalid transport instance configuration; using defaults");
return DefaultTransportInstances();
}
return instances;
}
bool CSettings::SetExtraMode(const DisplayMode& mode)
{
WCHAR buf[64];
@@ -272,7 +287,8 @@ unsigned CSettings::GetDefaultRefreshMilliHz() const
return refreshMilliHz ? refreshMilliHz : 60000;
}
bool CSettings::ReadModesValue(std::vector<std::wstring> &out) const
bool CSettings::ReadMultiStringValue(const wchar_t * name,
std::vector<std::wstring>& out) const
{
HKEY hKey = nullptr;
LONG st = RegOpenKeyExW(HKEY_LOCAL_MACHINE, LGIDD_REGKEY, 0, KEY_QUERY_VALUE, &hKey);
@@ -280,29 +296,44 @@ bool CSettings::ReadModesValue(std::vector<std::wstring> &out) const
return false;
DWORD type = 0, cb = 0;
st = RegGetValueW(hKey, nullptr, L"Modes", RRF_RT_REG_MULTI_SZ, &type, nullptr, &cb);
st = RegGetValueW(hKey, nullptr, name, RRF_RT_REG_MULTI_SZ,
&type, nullptr, &cb);
if (st != ERROR_SUCCESS || cb == 0)
{
RegCloseKey(hKey);
return false;
}
std::vector<wchar_t> buf(cb / sizeof(wchar_t));
st = RegGetValueW(hKey, nullptr, L"Modes", RRF_RT_REG_MULTI_SZ, &type, buf.data(), &cb);
const DWORD capacity = cb;
std::vector<wchar_t> buf(
capacity / sizeof(wchar_t) + 2, L'\0');
st = RegGetValueW(hKey, nullptr, name, RRF_RT_REG_MULTI_SZ,
&type, buf.data(), &cb);
RegCloseKey(hKey);
if (st != ERROR_SUCCESS)
if (st != ERROR_SUCCESS || cb > capacity || cb % sizeof(wchar_t))
return false;
const wchar_t* p = buf.data();
while (*p)
const size_t length = cb / sizeof(wchar_t);
size_t begin = 0;
while (begin < length && buf[begin])
{
out.emplace_back(p);
p += (wcslen(p) + 1);
size_t end = begin;
while (end < length && buf[end])
++end;
if (end == length)
return false;
out.emplace_back(buf.data() + begin, end - begin);
begin = end + 1;
}
return !out.empty();
}
bool CSettings::ReadModesValue(std::vector<std::wstring> &out) const
{
return ReadMultiStringValue(L"Modes", out);
}
static std::wstring trim(const std::wstring &s)
{
size_t b = 0, e = s.size();