Merge pull request godotengine#107136 from Airyzz/airyzz/web-pen-pressure

[Web] Add support for pen pressure

Author: akien-mga

platform/web/display_server_web.cpp

@@ -305,18 +305,18 @@ int DisplayServerWeb::_mouse_button_callback(int p_pressed, int p_button, double
 	return true;
 }
 
-void DisplayServerWeb::mouse_move_callback(double p_x, double p_y, double p_rel_x, double p_rel_y, int p_modifiers) {
+void DisplayServerWeb::mouse_move_callback(double p_x, double p_y, double p_rel_x, double p_rel_y, int p_modifiers, double p_pressure) {
 #ifdef PROXY_TO_PTHREAD_ENABLED
 	if (!Thread::is_main_thread()) {
-		callable_mp_static(DisplayServerWeb::_mouse_move_callback).call_deferred(p_x, p_y, p_rel_x, p_rel_y, p_modifiers);
+		callable_mp_static(DisplayServerWeb::_mouse_move_callback).call_deferred(p_x, p_y, p_rel_x, p_rel_y, p_modifiers, p_pressure);
 		return;
 	}
 #endif
 
-	_mouse_move_callback(p_x, p_y, p_rel_x, p_rel_y, p_modifiers);
+	_mouse_move_callback(p_x, p_y, p_rel_x, p_rel_y, p_modifiers, p_pressure);
 }
 
-void DisplayServerWeb::_mouse_move_callback(double p_x, double p_y, double p_rel_x, double p_rel_y, int p_modifiers) {
+void DisplayServerWeb::_mouse_move_callback(double p_x, double p_y, double p_rel_x, double p_rel_y, int p_modifiers, double p_pressure) {
 	BitField<MouseButtonMask> input_mask = Input::get_singleton()->get_mouse_button_mask();
 	// For motion outside the canvas, only read mouse movement if dragging
 	// started inside the canvas; imitating desktop app behavior.
@@ -332,6 +332,7 @@ void DisplayServerWeb::_mouse_move_callback(double p_x, double p_y, double p_rel
 
 	ev->set_position(pos);
 	ev->set_global_position(pos);
+	ev->set_pressure((float)p_pressure);
 
 	ev->set_relative(Vector2(p_rel_x, p_rel_y));
 	ev->set_relative_screen_position(ev->get_relative());

platform/web/display_server_web.h

@@ -120,8 +120,8 @@ class DisplayServerWeb : public DisplayServer {
 	static void _fullscreen_change_callback(int p_fullscreen);
 	WASM_EXPORT static int mouse_button_callback(int p_pressed, int p_button, double p_x, double p_y, int p_modifiers);
 	static int _mouse_button_callback(int p_pressed, int p_button, double p_x, double p_y, int p_modifiers);
-	WASM_EXPORT static void mouse_move_callback(double p_x, double p_y, double p_rel_x, double p_rel_y, int p_modifiers);
-	static void _mouse_move_callback(double p_x, double p_y, double p_rel_x, double p_rel_y, int p_modifiers);
+	WASM_EXPORT static void mouse_move_callback(double p_x, double p_y, double p_rel_x, double p_rel_y, int p_modifiers, double p_pressure);
+	static void _mouse_move_callback(double p_x, double p_y, double p_rel_x, double p_rel_y, int p_modifiers, double p_pressure);
 	WASM_EXPORT static int mouse_wheel_callback(double p_delta_x, double p_delta_y);
 	static int _mouse_wheel_callback(double p_delta_x, double p_delta_y);
 	WASM_EXPORT static void touch_callback(int p_type, int p_count);

platform/web/godot_js.h

@@ -57,7 +57,7 @@ extern int godot_js_pwa_update();
 
 // Input
 extern void godot_js_input_mouse_button_cb(int (*p_callback)(int p_pressed, int p_button, double p_x, double p_y, int p_modifiers));
-extern void godot_js_input_mouse_move_cb(void (*p_callback)(double p_x, double p_y, double p_rel_x, double p_rel_y, int p_modifiers));
+extern void godot_js_input_mouse_move_cb(void (*p_callback)(double p_x, double p_y, double p_rel_x, double p_rel_y, int p_modifiers, double p_pressure));
 extern void godot_js_input_mouse_wheel_cb(int (*p_callback)(double p_delta_x, double p_delta_y));
 extern void godot_js_input_touch_cb(void (*p_callback)(int p_type, int p_count), uint32_t *r_identifiers, double *r_coords);
 extern void godot_js_input_key_cb(void (*p_callback)(int p_type, int p_repeat, int p_modifiers), char r_code[32], char r_key[32]);

platform/web/js/libs/library_godot_input.js

@@ -515,9 +515,9 @@ const GodotInput = {
 			const rel_pos_x = evt.movementX * rw;
 			const rel_pos_y = evt.movementY * rh;
 			const modifiers = GodotInput.getModifiers(evt);
-			func(pos[0], pos[1], rel_pos_x, rel_pos_y, modifiers);
+			func(pos[0], pos[1], rel_pos_x, rel_pos_y, modifiers, evt.pressure);
 		}
-		GodotEventListeners.add(window, 'mousemove', move_cb, false);
+		GodotEventListeners.add(window, 'pointermove', move_cb, false);
 	},
 
 	godot_js_input_mouse_wheel_cb__proxy: 'sync',