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Use SDL_HINT_MOUSE_FOCUS_CLICKTHROUGH to get click events on focus gain

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This commit is contained in:
Cameron Gutman 2020-05-06 20:43:41 -07:00
parent 400754c5b3
commit 8cc61ca8b8
3 changed files with 7 additions and 34 deletions
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34
app/streaming/input/input.cpp
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@ -36,6 +36,12 @@ SdlInputHandler::SdlInputHandler(StreamingPreferences& prefs, NvComputer*, int s
prefs.absoluteMouseMode ? "1" : "0",
SDL_HINT_OVERRIDE);
// Allow clicks to pass through to us when focusing the window. If we're in
// absolute mouse mode, this will avoid the user having to click twice to
// trigger a click on the host if the Moonlight window is not focused. In
// relative mode, the click event will trigger the mouse to be recaptured.
SDL_SetHint(SDL_HINT_MOUSE_FOCUS_CLICKTHROUGH, "1");
#if defined(Q_OS_DARWIN) && !SDL_VERSION_ATLEAST(2, 0, 10)
// SDL 2.0.9 on macOS has a broken HIDAPI mapping for the older Xbox One S
// firmware, so we have to disable HIDAPI for Xbox gamepads on macOS until
@ -186,34 +192,6 @@ void SdlInputHandler::raiseAllKeys()
m_KeysDown.clear();
}
void SdlInputHandler::notifyFocusGained()
{
// Capture mouse cursor when user actives the window by clicking on
// window's client area (borders and title bar excluded).
// Without this you would have to click the window twice (once to
// activate it, second time to enable capture). With this you need to
// click it only once.
//
// On Linux, the button press event is delivered after the focus gain
// so this is not neccessary (and leads to a click sent to the host
// when focusing the window by clicking).
//
// By excluding window's borders and title bar out, lets user still
// interact with them without mouse capture kicking in.
#if defined(Q_OS_WIN32) || defined(Q_OS_DARWIN)
int mouseX, mouseY;
Uint32 mouseState = SDL_GetGlobalMouseState(&mouseX, &mouseY);
if (mouseState & SDL_BUTTON(SDL_BUTTON_LEFT)) {
int x, y, width, height;
SDL_GetWindowPosition(m_Window, &x, &y);
SDL_GetWindowSize(m_Window, &width, &height);
if (mouseX > x && mouseX < x+width && mouseY > y && mouseY < y+height) {
setCaptureActive(true);
}
}
#endif
}
void SdlInputHandler::notifyFocusLost()
{
// Release mouse cursor when another window is activated (e.g. by using ALT+TAB).

2
app/streaming/input/input.h
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@ -69,8 +69,6 @@ public:
void raiseAllKeys();
void notifyFocusGained();
void notifyFocusLost();
bool isCaptureActive();

5
app/streaming/session.cpp
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@ -1218,10 +1218,7 @@ void Session::exec(int displayOriginX, int displayOriginY)
break;
case SDL_WINDOWEVENT:
if (event.window.event == SDL_WINDOWEVENT_FOCUS_GAINED) {
m_InputHandler->notifyFocusGained();
}
else if (event.window.event == SDL_WINDOWEVENT_FOCUS_LOST) {
if (event.window.event == SDL_WINDOWEVENT_FOCUS_LOST) {
m_InputHandler->notifyFocusLost();
}