Add support for event accumlation (off by default, on for editor), fixes #26536

3 files changed, 23 insertions, 17 deletions

diff --git a/platform/osx/os_osx.mm b/platform/osx/os_osx.mm
index 5206dc13b6..a2f266f995 100644
--- a/platform/osx/os_osx.mm
+++ b/platform/osx/os_osx.mm
@@ -2529,6 +2529,8 @@ void OS_OSX::process_events() {
 
 	[autoreleasePool drain];
 	autoreleasePool = [[NSAutoreleasePool alloc] init];
+
+	input->flush_accumulated_events();
 }
 
 void OS_OSX::process_key_events() {
@@ -2571,13 +2573,14 @@ void OS_OSX::process_key_events() {
 void OS_OSX::push_input(const Ref<InputEvent> &p_event) {
 
 	Ref<InputEvent> ev = p_event;
-	input->parse_input_event(ev);
+	input->accumulate_input_event(ev);
 }
 
 void OS_OSX::force_process_input() {
 
 	process_events(); // get rid of pending events
 	joypad_osx->process_joypads();
+
 }
 
 void OS_OSX::run() {
diff --git a/platform/windows/os_windows.cpp b/platform/windows/os_windows.cpp
index bace65e772..1a5e97cfb1 100644
--- a/platform/windows/os_windows.cpp
+++ b/platform/windows/os_windows.cpp
@@ -271,7 +271,7 @@ void OS_Windows::_touch_event(bool p_pressed, float p_x, float p_y, int idx) {
 	event->set_position(Vector2(p_x, p_y));
 
 	if (main_loop) {
-		input->parse_input_event(event);
+		input->accumulate_input_event(event);
 	}
 };
 
@@ -293,7 +293,7 @@ void OS_Windows::_drag_event(float p_x, float p_y, int idx) {
 	event->set_position(Vector2(p_x, p_y));
 
 	if (main_loop)
-		input->parse_input_event(event);
+		input->accumulate_input_event(event);
 };
 
 LRESULT OS_Windows::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
@@ -458,7 +458,7 @@ LRESULT OS_Windows::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 				}
 
 				if (window_has_focus && main_loop && mm->get_relative() != Vector2())
-					input->parse_input_event(mm);
+					input->accumulate_input_event(mm);
 			}
 			delete[] lpb;
 		} break;
@@ -545,7 +545,7 @@ LRESULT OS_Windows::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 			old_x = mm->get_position().x;
 			old_y = mm->get_position().y;
 			if (window_has_focus && main_loop)
-				input->parse_input_event(mm);
+				input->accumulate_input_event(mm);
 
 		} break;
 		case WM_LBUTTONDOWN:
@@ -718,14 +718,14 @@ LRESULT OS_Windows::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 			mb->set_global_position(mb->get_position());
 
 			if (main_loop) {
-				input->parse_input_event(mb);
+				input->accumulate_input_event(mb);
 				if (mb->is_pressed() && mb->get_button_index() > 3 && mb->get_button_index() < 8) {
 					//send release for mouse wheel
 					Ref<InputEventMouseButton> mbd = mb->duplicate();
 					last_button_state &= ~(1 << (mbd->get_button_index() - 1));
 					mbd->set_button_mask(last_button_state);
 					mbd->set_pressed(false);
-					input->parse_input_event(mbd);
+					input->accumulate_input_event(mbd);
 				}
 			}
 		} break;
@@ -988,7 +988,7 @@ void OS_Windows::process_key_events() {
 					if (k->get_unicode() < 32)
 						k->set_unicode(0);
 
-					input->parse_input_event(k);
+					input->accumulate_input_event(k);
 				}
 
 				//do nothing
@@ -1026,7 +1026,7 @@ void OS_Windows::process_key_events() {
 
 				k->set_echo((ke.uMsg == WM_KEYDOWN && (ke.lParam & (1 << 30))));
 
-				input->parse_input_event(k);
+				input->accumulate_input_event(k);
 
 			} break;
 		}
@@ -2252,6 +2252,7 @@ void OS_Windows::process_events() {
 
 	if (!drop_events) {
 		process_key_events();
+		input->flush_accumulated_events();
 	}
 }
 
diff --git a/platform/x11/os_x11.cpp b/platform/x11/os_x11.cpp
index b7fbb89edf..cc4d57ea99 100644
--- a/platform/x11/os_x11.cpp
+++ b/platform/x11/os_x11.cpp
@@ -1660,7 +1660,7 @@ void OS_X11::handle_key_event(XKeyEvent *p_event, bool p_echo) {
 					k->set_shift(true);
 				}
 
-				input->parse_input_event(k);
+				input->accumulate_input_event(k);
 			}
 			return;
 		}
@@ -1804,7 +1804,7 @@ void OS_X11::handle_key_event(XKeyEvent *p_event, bool p_echo) {
 	}
 
 	//printf("key: %x\n",k->get_scancode());
-	input->parse_input_event(k);
+	input->accumulate_input_event(k);
 }
 
 struct Property {
@@ -1991,12 +1991,12 @@ void OS_X11::process_xevents() {
 								// in a spurious mouse motion event being sent to Godot; remember it to be able to filter it out
 								xi.mouse_pos_to_filter = pos;
 							}
-							input->parse_input_event(st);
+							input->accumulate_input_event(st);
 						} else {
 							if (!xi.state.has(index)) // Defensive
 								break;
 							xi.state.erase(index);
-							input->parse_input_event(st);
+							input->accumulate_input_event(st);
 						}
 					} break;
 
@@ -2014,7 +2014,7 @@ void OS_X11::process_xevents() {
 							sd->set_index(index);
 							sd->set_position(pos);
 							sd->set_relative(pos - curr_pos_elem->value());
-							input->parse_input_event(sd);
+							input->accumulate_input_event(sd);
 
 							curr_pos_elem->value() = pos;
 						}
@@ -2102,7 +2102,7 @@ void OS_X11::process_xevents() {
 					st.instance();
 					st->set_index(E->key());
 					st->set_position(E->get());
-					input->parse_input_event(st);
+					input->accumulate_input_event(st);
 				}
 				xi.state.clear();
 #endif
@@ -2163,7 +2163,7 @@ void OS_X11::process_xevents() {
 					}
 				}
 
-				input->parse_input_event(mb);
+				input->accumulate_input_event(mb);
 
 			} break;
 			case MotionNotify: {
@@ -2273,7 +2273,7 @@ void OS_X11::process_xevents() {
 				// this is so that the relative motion doesn't get messed up
 				// after we regain focus.
 				if (window_has_focus || !mouse_mode_grab)
-					input->parse_input_event(mm);
+					input->accumulate_input_event(mm);
 
 			} break;
 			case KeyPress:
@@ -2457,6 +2457,8 @@ void OS_X11::process_xevents() {
 		printf("Win: %d,%d\n", win_x, win_y);
 		*/
 	}
+
+	input->flush_accumulated_events();
 }
 
 MainLoop *OS_X11::get_main_loop() const {