| 101 | } |
| 102 | |
| 103 | static std::optional<float> GetRefreshRateFromMonitor(HWND hwnd) |
| 104 | { |
| 105 | HMONITOR mon = MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST); |
| 106 | if (!mon) |
| 107 | return std::nullopt; |
| 108 | |
| 109 | MONITORINFOEXW mi = {}; |
| 110 | mi.cbSize = sizeof(mi); |
| 111 | if (GetMonitorInfoW(mon, &mi)) |
| 112 | { |
| 113 | DEVMODEW dm = {}; |
| 114 | dm.dmSize = sizeof(dm); |
| 115 | |
| 116 | // 0/1 are reserved for "defaults". |
| 117 | if (EnumDisplaySettingsW(mi.szDevice, ENUM_CURRENT_SETTINGS, &dm) && dm.dmDisplayFrequency > 1) |
| 118 | return static_cast<float>(dm.dmDisplayFrequency); |
| 119 | } |
| 120 | |
| 121 | return std::nullopt; |
| 122 | } |
| 123 | |
| 124 | std::optional<float> WindowInfo::QueryRefreshRateForWindow(const WindowInfo& wi) |
| 125 | { |
no outgoing calls
no test coverage detected