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[FancyZones] Obtain device id (#8451)

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This commit is contained in:
Seraphima Zykova
2020-12-07 17:57:53 +03:00
committed by GitHub
parent 7235df2e89
commit 69c0f179f5
3 changed files with 67 additions and 76 deletions
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58
src/modules/fancyzones/lib/util.cpp
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@@ -155,6 +155,34 @@ namespace FancyZonesUtils
}
typedef BOOL(WINAPI* GetDpiForMonitorInternalFunc)(HMONITOR, UINT, UINT*, UINT*);
std::wstring GetDisplayDeviceId(const std::wstring& device, std::unordered_map<std::wstring, DWORD>& displayDeviceIdxMap)
{
DISPLAY_DEVICE displayDevice{ .cb = sizeof(displayDevice) };
std::wstring deviceId;
while (EnumDisplayDevicesW(device.c_str(), displayDeviceIdxMap[device], &displayDevice, EDD_GET_DEVICE_INTERFACE_NAME))
{
++displayDeviceIdxMap[device];
// Only take active monitors (presented as being "on" by the respective GDI view) and monitors that don't
// represent a pseudo device used to mirror application drawing.
if (WI_IsFlagSet(displayDevice.StateFlags, DISPLAY_DEVICE_ACTIVE) &&
WI_IsFlagClear(displayDevice.StateFlags, DISPLAY_DEVICE_MIRRORING_DRIVER))
{
deviceId = displayDevice.DeviceID;
break;
}
}
if (deviceId.empty())
{
deviceId = GetSystemMetrics(SM_REMOTESESSION) ?
L"\\\\?\\DISPLAY#REMOTEDISPLAY#" :
L"\\\\?\\DISPLAY#LOCALDISPLAY#";
}
return deviceId;
}
UINT GetDpiForMonitor(HMONITOR monitor) noexcept
{
UINT dpi{};
@@ -582,36 +610,6 @@ namespace FancyZonesUtils
return result;
}
std::optional<std::wstring> GenerateMonitorId(MONITORINFOEX mi, HMONITOR monitor, const GUID& virtualDesktopId)
{
DISPLAY_DEVICE displayDevice = { sizeof(displayDevice) };
PCWSTR deviceId = nullptr;
bool validMonitor = true;
if (EnumDisplayDevices(mi.szDevice, 0, &displayDevice, 1))
{
if (displayDevice.DeviceID[0] != L'\0')
{
deviceId = displayDevice.DeviceID;
}
}
if (!deviceId)
{
deviceId = GetSystemMetrics(SM_REMOTESESSION) ?
L"\\\\?\\DISPLAY#REMOTEDISPLAY#" :
L"\\\\?\\DISPLAY#LOCALDISPLAY#";
}
wil::unique_cotaskmem_string vdId;
if (SUCCEEDED(StringFromCLSID(virtualDesktopId, &vdId)))
{
return GenerateUniqueId(monitor, deviceId, vdId.get());
}
return std::nullopt;
}
size_t ChooseNextZoneByPosition(DWORD vkCode, RECT windowRect, const std::vector<RECT>& zoneRects) noexcept
{
using complex = std::complex<double>;