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Implement `keep_screen_on` for Windows

This commit is contained in:
RedMser 2022-08-03 18:29:07 +02:00
parent 44d3c8402e
commit 00e788e611
2 changed files with 42 additions and 1 deletions
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41
platform/windows/display_server_windows.cpp
View File

@ -531,10 +531,43 @@ DisplayServer::ScreenOrientation DisplayServerWindows::screen_get_orientation(in
}
void DisplayServerWindows::screen_set_keep_on(bool p_enable) {
if (keep_screen_on == p_enable) {
return;
}
if (p_enable) {
const String reason = "Godot Engine running with display/window/energy_saving/keep_screen_on = true";
Char16String reason_utf16 = reason.utf16();
REASON_CONTEXT context;
context.Version = POWER_REQUEST_CONTEXT_VERSION;
context.Flags = POWER_REQUEST_CONTEXT_SIMPLE_STRING;
context.Reason.SimpleReasonString = (LPWSTR)(reason_utf16.ptrw());
power_request = PowerCreateRequest(&context);
if (power_request == INVALID_HANDLE_VALUE) {
print_error("Failed to enable screen_keep_on.");
return;
}
if (PowerSetRequest(power_request, POWER_REQUEST_TYPE::PowerRequestSystemRequired) == 0) {
print_error("Failed to request system sleep override.");
return;
}
if (PowerSetRequest(power_request, POWER_REQUEST_TYPE::PowerRequestDisplayRequired) == 0) {
print_error("Failed to request display timeout override.");
return;
}
} else {
PowerClearRequest(power_request, POWER_REQUEST_TYPE::PowerRequestSystemRequired);
PowerClearRequest(power_request, POWER_REQUEST_TYPE::PowerRequestDisplayRequired);
CloseHandle(power_request);
power_request = nullptr;
}
keep_screen_on = p_enable;
}
bool DisplayServerWindows::screen_is_kept_on() const {
return false;
return keep_screen_on;
}
Vector<DisplayServer::WindowID> DisplayServerWindows::get_window_list() const {
@ -3619,6 +3652,9 @@ DisplayServerWindows::DisplayServerWindows(const String &p_rendering_driver, Win
// Init TTS
tts = memnew(TTS_Windows);
// Enforce default keep screen on value.
screen_set_keep_on(GLOBAL_DEF("display/window/energy_saving/keep_screen_on", true));
// Note: Wacom WinTab driver API for pen input, for devices incompatible with Windows Ink.
HMODULE wintab_lib = LoadLibraryW(L"wintab32.dll");
if (wintab_lib) {
@ -3822,6 +3858,9 @@ DisplayServerWindows::~DisplayServerWindows() {
SetWindowLongPtr(windows[MAIN_WINDOW_ID].hWnd, GWLP_WNDPROC, (LONG_PTR)user_proc);
}
// Close power request handle.
screen_set_keep_on(false);
#ifdef GLES3_ENABLED
// destroy windows .. NYI?
// FIXME wglDeleteContext is never called

2
platform/windows/display_server_windows.h
View File

@ -331,6 +331,8 @@ class DisplayServerWindows : public DisplayServer {
HINSTANCE hInstance; // Holds The Instance Of The Application
String rendering_driver;
bool app_focused = false;
bool keep_screen_on = false;
HANDLE power_request;
TTS_Windows *tts = nullptr;