Merge pull request #40053 from bruvzg/macos_confined_mouse_mode_4

[macOS] Implement confined mouse mode.
This commit is contained in:
Rémi Verschelde 2020-07-03 00:10:56 +02:00 committed by GitHub
commit 670d3a616c
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2 changed files with 63 additions and 5 deletions

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@ -86,6 +86,14 @@ 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;

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@ -848,13 +848,59 @@ static void _mouseDownEvent(DisplayServer::WindowID window_id, NSEvent *event, i
ERR_FAIL_COND(!DS_OSX->windows.has(window_id));
DisplayServerOSX::WindowData &wd = DS_OSX->windows[window_id];
NSPoint delta = NSMakePoint([event deltaX], [event deltaY]);
NSPoint mpos = [event locationInWindow];
if (DS_OSX->mouse_mode == DisplayServer::MOUSE_MODE_CONFINED) {
// Discard late events
if (([event timestamp]) < DS_OSX->last_warp) {
return;
}
// Warp affects next event delta, subtract previous warp deltas
List<DisplayServerOSX::WarpEvent>::Element *F = DS_OSX->warp_events.front();
while (F) {
if (F->get().timestamp < [event timestamp]) {
List<DisplayServerOSX::WarpEvent>::Element *E = F;
delta.x -= E->get().delta.x;
delta.y -= E->get().delta.y;
F = F->next();
DS_OSX->warp_events.erase(E);
} else {
F = F->next();
}
}
// Confine mouse position to the window, and update delta
NSRect frame = [wd.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 = [[wd.window_view window] convertRectToScreen:pointInWindowRect].origin;
conf_pos.y = CGDisplayBounds(CGMainDisplayID()).size.height - conf_pos.y;
CGWarpMouseCursorPosition(conf_pos);
// Save warp data
DS_OSX->last_warp = [[NSProcessInfo processInfo] systemUptime];
DisplayServerOSX::WarpEvent ev;
ev.timestamp = DS_OSX->last_warp;
ev.delta = delta;
DS_OSX->warp_events.push_back(ev);
}
Ref<InputEventMouseMotion> mm;
mm.instance();
mm->set_window_id(window_id);
mm->set_button_mask(DS_OSX->last_button_state);
const CGFloat backingScaleFactor = (OS::get_singleton()->is_hidpi_allowed()) ? [[event window] backingScaleFactor] : 1.0;
const Vector2i pos = _get_mouse_pos(wd, [event locationInWindow], backingScaleFactor);
const Vector2i pos = _get_mouse_pos(wd, mpos, backingScaleFactor);
mm->set_position(pos);
mm->set_pressure([event pressure]);
if ([event subtype] == NSEventSubtypeTabletPoint) {
@ -863,9 +909,7 @@ static void _mouseDownEvent(DisplayServer::WindowID window_id, NSEvent *event, i
}
mm->set_global_position(pos);
mm->set_speed(Input::get_singleton()->get_last_mouse_speed());
Vector2i relativeMotion = Vector2i();
relativeMotion.x = [event deltaX] * backingScaleFactor;
relativeMotion.y = [event deltaY] * backingScaleFactor;
const Vector2i relativeMotion = Vector2i(delta.x, delta.y) * backingScaleFactor;
mm->set_relative(relativeMotion);
_get_key_modifier_state([event modifierFlags], mm);
@ -1970,11 +2014,15 @@ void DisplayServerOSX::mouse_set_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;
}
@ -2004,7 +2052,9 @@ void DisplayServerOSX::mouse_warp_to_position(const Point2i &p_to) {
CGEventSourceSetLocalEventsSuppressionInterval(lEventRef, 0.0);
CGAssociateMouseAndMouseCursorPosition(false);
CGWarpMouseCursorPosition(lMouseWarpPos);
CGAssociateMouseAndMouseCursorPosition(true);
if (mouse_mode != MOUSE_MODE_CONFINED) {
CGAssociateMouseAndMouseCursorPosition(true);
}
}
}