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Brightness (Windows): queries monitor description if display name is not available

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This commit is contained in:
李通洲
2026-03-19 16:19:51 +08:00
parent b0215aae37
commit 56eabbe2cb
1 changed files with 20 additions and 1 deletions
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src/detection/brightness/brightness_windows.cpp
+20 -1
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@@ -33,6 +33,12 @@ NTSYSAPI NTSTATUS WINAPI DestroyPhysicalMonitorInternal(
_In_ HANDLE hMonitor
);
NTSTATUS WINAPI GetPhysicalMonitorDescription(
_In_ HANDLE hMonitor,
_In_ DWORD dwPhysicalMonitorDescriptionSizeInChars,
_Out_ LPWSTR szPhysicalMonitorDescription
);
static const char* detectWithWmi(FFlist* result)
{
FFWmiQuery query(L"SELECT CurrentBrightness, InstanceName FROM WmiMonitorBrightness WHERE Active = true", nullptr, FFWmiNamespace::WMI);
@@ -91,7 +97,20 @@ static const char* detectWithDdcci(const FFDisplayServerResult* displayServer, F
if (NT_SUCCESS(ffDDCCIGetVCPFeature(physicalMonitor, 0x10 /* luminance */, NULL, &curr, &max)))
{
FFBrightnessResult* brightness = (FFBrightnessResult*) ffListAdd(result);
ffStrbufInitCopy(&brightness->name, &display->name);
if (display->name.length > 0)
ffStrbufInitCopy(&brightness->name, &display->name);
else
{
FF_LIBRARY_LOAD_SYMBOL_LAZY(gdi32, GetPhysicalMonitorDescription)
if (ffGetPhysicalMonitorDescription)
{
wchar_t description[128 /*MUST be PHYSICAL_MONITOR_DESCRIPTION_SIZE*/];
if (NT_SUCCESS(ffGetPhysicalMonitorDescription(physicalMonitor, ARRAY_SIZE(description), description)))
ffStrbufInitWS(&brightness->name, description);
}
if (brightness->name.length == 0)
ffStrbufSetNWS(&brightness->name, deviceName.Length / 2, deviceName.Buffer);
}
brightness->max = max;
brightness->min = 0;
brightness->current = curr;