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[DESK] Find best display settings (#6288)

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Based on KRosUser's desk.patch.
JIRA issue: CORE-18187, CORE-16878
- Add FindBestElement helper function.
- Use FindBestElement to find the best
  display settings.
This commit is contained in:
Katayama Hirofumi MZ 2024-01-06 10:59:05 +09:00 committed by GitHub
parent 267a1c9cda
commit 8d7a8f0ec1
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 38 additions and 13 deletions
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51
dll/cpl/desk/settings.c
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@ -842,6 +842,34 @@ SwitchDisplayMode(HWND hwndDlg, PWSTR DeviceName, PSETTINGS_ENTRY seInit, PSETTI
}
}
static
PSETTINGS_ENTRY
FindBestElement(
_In_ PDISPLAY_DEVICE_ENTRY pDevice)
{
PSETTINGS_ENTRY Request = &pDevice->InitialSettings, BestEntry = NULL, Current;
LONG Distance, NearestDistance = MAXLONG;
/* Find the best entry in the list */
for (Current = pDevice->Settings; Current; Current = Current->Flink)
{
Distance = 0x100000 * labs(Current->dmBitsPerPel - Request->dmBitsPerPel ) +
0x100 * labs(Current->dmPelsWidth - Request->dmPelsWidth ) +
0x100 * labs(Current->dmPelsHeight - Request->dmPelsHeight ) +
labs(Current->dmDisplayFrequency - Request->dmDisplayFrequency);
if (Distance == 0)
return Current;
if (Distance < NearestDistance)
{
BestEntry = Current;
NearestDistance = Distance;
}
}
return BestEntry;
}
static VOID
ApplyDisplaySettings(HWND hwndDlg, PSETTINGS_DATA pData)
{
@ -866,10 +894,7 @@ ApplyDisplaySettings(HWND hwndDlg, PSETTINGS_DATA pData)
}
else
{
pData->CurrentDisplayDevice->CurrentSettings->dmPelsWidth = pData->CurrentDisplayDevice->InitialSettings.dmPelsWidth;
pData->CurrentDisplayDevice->CurrentSettings->dmPelsHeight = pData->CurrentDisplayDevice->InitialSettings.dmPelsHeight;
pData->CurrentDisplayDevice->CurrentSettings->dmBitsPerPel = pData->CurrentDisplayDevice->InitialSettings.dmBitsPerPel;
pData->CurrentDisplayDevice->CurrentSettings->dmDisplayFrequency = pData->CurrentDisplayDevice->InitialSettings.dmDisplayFrequency;
pData->CurrentDisplayDevice->CurrentSettings = FindBestElement(pData->CurrentDisplayDevice);
UpdateDisplay(hwndDlg, pData, TRUE);
}
}
@ -921,16 +946,16 @@ SettingsPageProc(IN HWND hwndDlg, IN UINT uMsg, IN WPARAM wParam, IN LPARAM lPar
DEVMODE devmode;
ZeroMemory(&devmode, sizeof(devmode));
devmode.dmSize = (WORD)sizeof(devmode);
if (EnumDisplaySettingsExW(pData->CurrentDisplayDevice->DeviceName, ENUM_CURRENT_SETTINGS, &devmode, 0))
if (EnumDisplaySettingsExW(pData->CurrentDisplayDevice->DeviceName,
ENUM_CURRENT_SETTINGS, &devmode, 0))
{
pData->CurrentDisplayDevice->InitialSettings.dmPelsWidth = devmode.dmPelsWidth;
pData->CurrentDisplayDevice->InitialSettings.dmPelsHeight = devmode.dmPelsHeight;
pData->CurrentDisplayDevice->InitialSettings.dmBitsPerPel = devmode.dmBitsPerPel;
pData->CurrentDisplayDevice->InitialSettings.dmDisplayFrequency = devmode.dmDisplayFrequency;
pData->CurrentDisplayDevice->CurrentSettings->dmPelsWidth = pData->CurrentDisplayDevice->InitialSettings.dmPelsWidth;
pData->CurrentDisplayDevice->CurrentSettings->dmPelsHeight = pData->CurrentDisplayDevice->InitialSettings.dmPelsHeight;
pData->CurrentDisplayDevice->CurrentSettings->dmBitsPerPel = pData->CurrentDisplayDevice->InitialSettings.dmBitsPerPel;
pData->CurrentDisplayDevice->CurrentSettings->dmDisplayFrequency = pData->CurrentDisplayDevice->InitialSettings.dmDisplayFrequency;
PSETTINGS_ENTRY pInitialSettings = &pData->CurrentDisplayDevice->InitialSettings;
pInitialSettings->dmPelsWidth = devmode.dmPelsWidth;
pInitialSettings->dmPelsHeight = devmode.dmPelsHeight;
pInitialSettings->dmBitsPerPel = devmode.dmBitsPerPel;
pInitialSettings->dmDisplayFrequency = devmode.dmDisplayFrequency;
pData->CurrentDisplayDevice->CurrentSettings =
FindBestElement(pData->CurrentDisplayDevice);
UpdateDisplay(hwndDlg, pData, TRUE);
}
}