[macOS, 3.2] Implement confined mouse mode.

This commit is contained in:
bruvzg 2020-07-02 15:57:19 +03:00
parent 44a516986d
commit b233cb640d
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GPG key ID: FCED35F1CECE0D3A
2 changed files with 62 additions and 5 deletions

View file

@ -65,6 +65,13 @@ public:
uint32_t unicode;
};
struct WarpEvent {
NSTimeInterval timestamp;
NSPoint delta;
};
List<WarpEvent> warp_events;
NSTimeInterval last_warp = 0;
Vector<KeyEvent> key_event_buffer;
int key_event_pos;

View file

@ -716,12 +716,58 @@ static void _mouseDownEvent(NSEvent *event, int index, int mask, bool pressed) {
- (void)mouseMoved:(NSEvent *)event {
NSPoint delta = NSMakePoint([event deltaX], [event deltaY]);
NSPoint mpos = [event locationInWindow];
if (OS_OSX::singleton->mouse_mode == OS::MOUSE_MODE_CONFINED) {
// Discard late events
if (([event timestamp]) < OS_OSX::singleton->last_warp) {
return;
}
// Warp affects next event delta, subtract previous warp deltas
List<OS_OSX::WarpEvent>::Element *F = OS_OSX::singleton->warp_events.front();
while (F) {
if (F->get().timestamp < [event timestamp]) {
List<OS_OSX::WarpEvent>::Element *E = F;
delta.x -= E->get().delta.x;
delta.y -= E->get().delta.y;
F = F->next();
OS_OSX::singleton->warp_events.erase(E);
} else {
F = F->next();
}
}
// Confine mouse position to the window, and update delta
NSRect frame = [OS_OSX::singleton->window_object frame];
NSPoint conf_pos = mpos;
conf_pos.x = CLAMP(conf_pos.x + delta.x, 0.f, frame.size.width);
conf_pos.y = CLAMP(conf_pos.y - delta.y, 0.f, frame.size.height);
delta.x = conf_pos.x - mpos.x;
delta.y = mpos.y - conf_pos.y;
mpos = conf_pos;
// Move mouse cursor
NSRect pointInWindowRect = NSMakeRect(conf_pos.x, conf_pos.y, 0, 0);
conf_pos = [[OS_OSX::singleton->window_view window] convertRectToScreen:pointInWindowRect].origin;
conf_pos.y = CGDisplayBounds(CGMainDisplayID()).size.height - conf_pos.y;
CGWarpMouseCursorPosition(conf_pos);
// Save warp data
OS_OSX::singleton->last_warp = [[NSProcessInfo processInfo] systemUptime];
OS_OSX::WarpEvent ev;
ev.timestamp = OS_OSX::singleton->last_warp;
ev.delta = delta;
OS_OSX::singleton->warp_events.push_back(ev);
}
Ref<InputEventMouseMotion> mm;
mm.instance();
mm->set_button_mask(button_mask);
const CGFloat backingScaleFactor = [[event window] backingScaleFactor];
const Vector2 pos = get_mouse_pos([event locationInWindow], backingScaleFactor);
const Vector2 pos = get_mouse_pos(mpos, backingScaleFactor);
mm->set_position(pos);
mm->set_pressure([event pressure]);
if ([event subtype] == NSEventSubtypeTabletPoint) {
@ -730,9 +776,7 @@ static void _mouseDownEvent(NSEvent *event, int index, int mask, bool pressed) {
}
mm->set_global_position(pos);
mm->set_speed(OS_OSX::singleton->input->get_last_mouse_speed());
Vector2 relativeMotion = Vector2();
relativeMotion.x = [event deltaX] * OS_OSX::singleton -> _mouse_scale(backingScaleFactor);
relativeMotion.y = [event deltaY] * OS_OSX::singleton -> _mouse_scale(backingScaleFactor);
const Vector2 relativeMotion = Vector2(delta.x, delta.y) * OS_OSX::singleton->_mouse_scale(backingScaleFactor);
mm->set_relative(relativeMotion);
get_key_modifier_state([event modifierFlags], mm);
@ -2042,9 +2086,11 @@ void OS_OSX::warp_mouse_position(const Point2 &p_to) {
CGEventSourceSetLocalEventsSuppressionInterval(lEventRef, 0.0);
CGAssociateMouseAndMouseCursorPosition(false);
CGWarpMouseCursorPosition(lMouseWarpPos);
if (mouse_mode != MOUSE_MODE_CONFINED) {
CGAssociateMouseAndMouseCursorPosition(true);
}
}
}
void OS_OSX::update_real_mouse_position() {
@ -3093,11 +3139,15 @@ void OS_OSX::set_mouse_mode(MouseMode p_mode) {
CGDisplayHideCursor(kCGDirectMainDisplay);
}
CGAssociateMouseAndMouseCursorPosition(true);
} else if (p_mode == MOUSE_MODE_CONFINED) {
CGDisplayShowCursor(kCGDirectMainDisplay);
CGAssociateMouseAndMouseCursorPosition(false);
} else {
CGDisplayShowCursor(kCGDirectMainDisplay);
CGAssociateMouseAndMouseCursorPosition(true);
}
warp_events.clear();
mouse_mode = p_mode;
}