/*************************************************************************/ /* display_server_javascript.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #ifndef DISPLAY_SERVER_JAVASCRIPT_H #define DISPLAY_SERVER_JAVASCRIPT_H #include "servers/display_server.h" #include #include class DisplayServerJavaScript : public DisplayServer { private: WindowMode window_mode = WINDOW_MODE_WINDOWED; ObjectID window_attached_instance_id = {}; Callable window_event_callback; Callable input_event_callback; Callable input_text_callback; Callable drop_files_callback; String clipboard; Ref deferred_key_event; Point2 touches[32]; char canvas_id[256] = { 0 }; bool cursor_inside_canvas = true; CursorShape cursor_shape = CURSOR_ARROW; Point2i last_click_pos = Point2(-100, -100); // TODO check this again. double last_click_ms = 0; int last_click_button_index = -1; int last_width = 0; int last_height = 0; bool swap_cancel_ok = false; // utilities static Point2 compute_position_in_canvas(int p_x, int p_y); static void focus_canvas(); static bool is_canvas_focused(); template static void dom2godot_mod(T *emscripten_event_ptr, Ref godot_event); static Ref setup_key_event(const EmscriptenKeyboardEvent *emscripten_event); static const char *godot2dom_cursor(DisplayServer::CursorShape p_shape); // events static EM_BOOL fullscreen_change_callback(int p_event_type, const EmscriptenFullscreenChangeEvent *p_event, void *p_user_data); static EM_BOOL keydown_callback(int p_event_type, const EmscriptenKeyboardEvent *p_event, void *p_user_data); static EM_BOOL keypress_callback(int p_event_type, const EmscriptenKeyboardEvent *p_event, void *p_user_data); static EM_BOOL keyup_callback(int p_event_type, const EmscriptenKeyboardEvent *p_event, void *p_user_data); static EM_BOOL mousemove_callback(int p_event_type, const EmscriptenMouseEvent *p_event, void *p_user_data); static EM_BOOL mouse_button_callback(int p_event_type, const EmscriptenMouseEvent *p_event, void *p_user_data); static EM_BOOL wheel_callback(int p_event_type, const EmscriptenWheelEvent *p_event, void *p_user_data); static EM_BOOL touch_press_callback(int p_event_type, const EmscriptenTouchEvent *p_event, void *p_user_data); static EM_BOOL touchmove_callback(int p_event_type, const EmscriptenTouchEvent *p_event, void *p_user_data); static EM_BOOL gamepad_change_callback(int p_event_type, const EmscriptenGamepadEvent *p_event, void *p_user_data); void process_joypads(); static Vector get_rendering_drivers_func(); static DisplayServer *create_func(const String &p_rendering_driver, DisplayServer::WindowMode p_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error); static void _dispatch_input_event(const Ref &p_event); static void request_quit_callback(); static void update_clipboard_callback(const char *p_text); static void send_window_event_callback(int p_notification); static void drop_files_js_callback(char **p_filev, int p_filec); protected: int get_current_video_driver() const; public: // Override return type to make writing static callbacks less tedious. static DisplayServerJavaScript *get_singleton(); // utilities bool check_size_force_redraw(); // from DisplayServer void alert(const String &p_alert, const String &p_title = "ALERT!") override; bool has_feature(Feature p_feature) const override; String get_name() const override; // cursor void cursor_set_shape(CursorShape p_shape) override; CursorShape cursor_get_shape() const override; void cursor_set_custom_image(const RES &p_cursor, CursorShape p_shape = CURSOR_ARROW, const Vector2 &p_hotspot = Vector2()) override; // mouse void mouse_set_mode(MouseMode p_mode) override; MouseMode mouse_get_mode() const override; // touch bool screen_is_touchscreen(int p_screen = SCREEN_OF_MAIN_WINDOW) const override; // clipboard void clipboard_set(const String &p_text) override; String clipboard_get() const override; // screen int get_screen_count() const override; Point2i screen_get_position(int p_screen = SCREEN_OF_MAIN_WINDOW) const override; Size2i screen_get_size(int p_screen = SCREEN_OF_MAIN_WINDOW) const override; Rect2i screen_get_usable_rect(int p_screen = SCREEN_OF_MAIN_WINDOW) const override; int screen_get_dpi(int p_screen = SCREEN_OF_MAIN_WINDOW) const override; // windows Vector get_window_list() const override; WindowID get_window_at_screen_position(const Point2i &p_position) const override; void window_attach_instance_id(ObjectID p_instance, WindowID p_window = MAIN_WINDOW_ID) override; ObjectID window_get_attached_instance_id(WindowID p_window = MAIN_WINDOW_ID) const override; void window_set_rect_changed_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override; void window_set_window_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override; void window_set_input_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override; void window_set_input_text_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override; void window_set_drop_files_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override; void window_set_title(const String &p_title, WindowID p_window = MAIN_WINDOW_ID) override; int window_get_current_screen(WindowID p_window = MAIN_WINDOW_ID) const override; void window_set_current_screen(int p_screen, WindowID p_window = MAIN_WINDOW_ID) override; Point2i window_get_position(WindowID p_window = MAIN_WINDOW_ID) const override; void window_set_position(const Point2i &p_position, WindowID p_window = MAIN_WINDOW_ID) override; void window_set_transient(WindowID p_window, WindowID p_parent) override; void window_set_max_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) override; Size2i window_get_max_size(WindowID p_window = MAIN_WINDOW_ID) const override; void window_set_min_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) override; Size2i window_get_min_size(WindowID p_window = MAIN_WINDOW_ID) const override; void window_set_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) override; Size2i window_get_size(WindowID p_window = MAIN_WINDOW_ID) const override; Size2i window_get_real_size(WindowID p_window = MAIN_WINDOW_ID) const override; void window_set_mode(WindowMode p_mode, WindowID p_window = MAIN_WINDOW_ID) override; WindowMode window_get_mode(WindowID p_window = MAIN_WINDOW_ID) const override; bool window_is_maximize_allowed(WindowID p_window = MAIN_WINDOW_ID) const override; void window_set_flag(WindowFlags p_flag, bool p_enabled, WindowID p_window = MAIN_WINDOW_ID) override; bool window_get_flag(WindowFlags p_flag, WindowID p_window = MAIN_WINDOW_ID) const override; void window_request_attention(WindowID p_window = MAIN_WINDOW_ID) override; void window_move_to_foreground(WindowID p_window = MAIN_WINDOW_ID) override; bool window_can_draw(WindowID p_window = MAIN_WINDOW_ID) const override; bool can_any_window_draw() const override; // events void process_events() override; // icon void set_icon(const Ref &p_icon) override; // others bool get_swap_cancel_ok() override; void swap_buffers() override; static void register_javascript_driver(); DisplayServerJavaScript(const String &p_rendering_driver, WindowMode p_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error); ~DisplayServerJavaScript(); }; #endif // DISPLAY_SERVER_JAVASCRIPT_H