diff options
Diffstat (limited to 'platform/javascript/os_javascript.cpp')
-rw-r--r-- | platform/javascript/os_javascript.cpp | 73 |
1 files changed, 40 insertions, 33 deletions
diff --git a/platform/javascript/os_javascript.cpp b/platform/javascript/os_javascript.cpp index 5562b059f4..87764d5750 100644 --- a/platform/javascript/os_javascript.cpp +++ b/platform/javascript/os_javascript.cpp @@ -49,6 +49,7 @@ #define DOM_BUTTON_RIGHT 2 #define DOM_BUTTON_XBUTTON1 3 #define DOM_BUTTON_XBUTTON2 4 +#define GODOT_CANVAS_SELECTOR "#canvas" // Window (canvas) @@ -70,18 +71,23 @@ static bool is_canvas_focused() { /* clang-format on */ } -static Point2 correct_canvas_position(int x, int y) { +static Point2 compute_position_in_canvas(int x, int y) { + int canvas_x = EM_ASM_INT({ + return document.getElementById('canvas').getBoundingClientRect().x; + }); + int canvas_y = EM_ASM_INT({ + return document.getElementById('canvas').getBoundingClientRect().y; + }); int canvas_width; int canvas_height; - emscripten_get_canvas_element_size(NULL, &canvas_width, &canvas_height); + emscripten_get_canvas_element_size(GODOT_CANVAS_SELECTOR, &canvas_width, &canvas_height); double element_width; double element_height; - emscripten_get_element_css_size(NULL, &element_width, &element_height); + emscripten_get_element_css_size(GODOT_CANVAS_SELECTOR, &element_width, &element_height); - x = (int)(canvas_width / element_width * x); - y = (int)(canvas_height / element_height * y); - return Point2(x, y); + return Point2((int)(canvas_width / element_width * (x - canvas_x)), + (int)(canvas_height / element_height * (y - canvas_y))); } static bool cursor_inside_canvas = true; @@ -135,14 +141,14 @@ void OS_JavaScript::set_window_size(const Size2 p_size) { emscripten_exit_soft_fullscreen(); window_maximized = false; } - emscripten_set_canvas_element_size(NULL, p_size.x, p_size.y); + emscripten_set_canvas_element_size(GODOT_CANVAS_SELECTOR, p_size.x, p_size.y); } } Size2 OS_JavaScript::get_window_size() const { int canvas[2]; - emscripten_get_canvas_element_size(NULL, canvas, canvas + 1); + emscripten_get_canvas_element_size(GODOT_CANVAS_SELECTOR, canvas, canvas + 1); return Size2(canvas[0], canvas[1]); } @@ -162,7 +168,7 @@ void OS_JavaScript::set_window_maximized(bool p_enabled) { strategy.canvasResolutionScaleMode = EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_STDDEF; strategy.filteringMode = EMSCRIPTEN_FULLSCREEN_FILTERING_DEFAULT; strategy.canvasResizedCallback = NULL; - emscripten_enter_soft_fullscreen(NULL, &strategy); + emscripten_enter_soft_fullscreen(GODOT_CANVAS_SELECTOR, &strategy); window_maximized = p_enabled; } } @@ -191,7 +197,7 @@ void OS_JavaScript::set_window_fullscreen(bool p_enabled) { strategy.canvasResolutionScaleMode = EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_STDDEF; strategy.filteringMode = EMSCRIPTEN_FULLSCREEN_FILTERING_DEFAULT; strategy.canvasResizedCallback = NULL; - EMSCRIPTEN_RESULT result = emscripten_request_fullscreen_strategy(NULL, false, &strategy); + EMSCRIPTEN_RESULT result = emscripten_request_fullscreen_strategy(GODOT_CANVAS_SELECTOR, false, &strategy); ERR_FAIL_COND_MSG(result == EMSCRIPTEN_RESULT_FAILED_NOT_DEFERRED, "Enabling fullscreen is only possible from an input callback for the HTML5 platform."); ERR_FAIL_COND_MSG(result != EMSCRIPTEN_RESULT_SUCCESS, "Enabling fullscreen is only possible from an input callback for the HTML5 platform."); // Not fullscreen yet, so prevent "windowed" canvas dimensions from @@ -298,9 +304,10 @@ EM_BOOL OS_JavaScript::mouse_button_callback(int p_event_type, const EmscriptenM Ref<InputEventMouseButton> ev; ev.instance(); ev->set_pressed(p_event_type == EMSCRIPTEN_EVENT_MOUSEDOWN); - ev->set_position(correct_canvas_position(p_event->canvasX, p_event->canvasY)); + ev->set_position(compute_position_in_canvas(p_event->clientX, p_event->clientY)); ev->set_global_position(ev->get_position()); dom2godot_mod(p_event, ev); + switch (p_event->button) { case DOM_BUTTON_LEFT: ev->set_button_index(BUTTON_LEFT); break; case DOM_BUTTON_MIDDLE: ev->set_button_index(BUTTON_MIDDLE); break; @@ -312,7 +319,7 @@ EM_BOOL OS_JavaScript::mouse_button_callback(int p_event_type, const EmscriptenM if (ev->is_pressed()) { - uint64_t diff = p_event->timestamp - os->last_click_ms; + double diff = emscripten_get_now() - os->last_click_ms; if (ev->get_button_index() == os->last_click_button_index) { @@ -362,7 +369,7 @@ EM_BOOL OS_JavaScript::mousemove_callback(int p_event_type, const EmscriptenMous OS_JavaScript *os = get_singleton(); int input_mask = os->input->get_mouse_button_mask(); - Point2 pos = correct_canvas_position(p_event->canvasX, p_event->canvasY); + Point2 pos = compute_position_in_canvas(p_event->clientX, p_event->clientY); // For motion outside the canvas, only read mouse movement if dragging // started inside the canvas; imitating desktop app behaviour. if (!cursor_inside_canvas && !input_mask) @@ -696,7 +703,7 @@ EM_BOOL OS_JavaScript::touch_press_callback(int p_event_type, const EmscriptenTo if (!touch.isChanged) continue; ev->set_index(touch.identifier); - ev->set_position(correct_canvas_position(touch.canvasX, touch.canvasY)); + ev->set_position(compute_position_in_canvas(touch.clientX, touch.clientY)); os->touches[i] = ev->get_position(); ev->set_pressed(p_event_type == EMSCRIPTEN_EVENT_TOUCHSTART); @@ -721,7 +728,7 @@ EM_BOOL OS_JavaScript::touchmove_callback(int p_event_type, const EmscriptenTouc if (!touch.isChanged) continue; ev->set_index(touch.identifier); - ev->set_position(correct_canvas_position(touch.canvasX, touch.canvasY)); + ev->set_position(compute_position_in_canvas(touch.clientX, touch.clientY)); Point2 &prev = os->touches[i]; ev->set_relative(ev->get_position() - prev); prev = ev->get_position(); @@ -920,7 +927,7 @@ Error OS_JavaScript::initialize(const VideoMode &p_desired, int p_video_driver, } } - EMSCRIPTEN_WEBGL_CONTEXT_HANDLE ctx = emscripten_webgl_create_context(NULL, &attributes); + EMSCRIPTEN_WEBGL_CONTEXT_HANDLE ctx = emscripten_webgl_create_context(GODOT_CANVAS_SELECTOR, &attributes); if (emscripten_webgl_make_context_current(ctx) != EMSCRIPTEN_RESULT_SUCCESS) { gl_initialization_error = true; } @@ -973,7 +980,7 @@ Error OS_JavaScript::initialize(const VideoMode &p_desired, int p_video_driver, EMSCRIPTEN_RESULT result; #define EM_CHECK(ev) \ if (result != EMSCRIPTEN_RESULT_SUCCESS) \ - ERR_PRINTS("Error while setting " #ev " callback: Code " + itos(result)) + ERR_PRINT("Error while setting " #ev " callback: Code " + itos(result)) #define SET_EM_CALLBACK(target, ev, cb) \ result = emscripten_set_##ev##_callback(target, NULL, true, &cb); \ EM_CHECK(ev) @@ -983,21 +990,21 @@ Error OS_JavaScript::initialize(const VideoMode &p_desired, int p_video_driver, // These callbacks from Emscripten's html5.h suffice to access most // JavaScript APIs. For APIs that are not (sufficiently) exposed, EM_ASM // is used below. - SET_EM_CALLBACK("#window", mousemove, mousemove_callback) - SET_EM_CALLBACK("#canvas", mousedown, mouse_button_callback) - SET_EM_CALLBACK("#window", mouseup, mouse_button_callback) - SET_EM_CALLBACK("#window", wheel, wheel_callback) - SET_EM_CALLBACK("#window", touchstart, touch_press_callback) - SET_EM_CALLBACK("#window", touchmove, touchmove_callback) - SET_EM_CALLBACK("#window", touchend, touch_press_callback) - SET_EM_CALLBACK("#window", touchcancel, touch_press_callback) - SET_EM_CALLBACK("#canvas", keydown, keydown_callback) - SET_EM_CALLBACK("#canvas", keypress, keypress_callback) - SET_EM_CALLBACK("#canvas", keyup, keyup_callback) - SET_EM_CALLBACK(NULL, fullscreenchange, fullscreen_change_callback) + SET_EM_CALLBACK(EMSCRIPTEN_EVENT_TARGET_WINDOW, mousemove, mousemove_callback) + SET_EM_CALLBACK(GODOT_CANVAS_SELECTOR, mousedown, mouse_button_callback) + SET_EM_CALLBACK(EMSCRIPTEN_EVENT_TARGET_WINDOW, mouseup, mouse_button_callback) + SET_EM_CALLBACK(EMSCRIPTEN_EVENT_TARGET_WINDOW, wheel, wheel_callback) + SET_EM_CALLBACK(EMSCRIPTEN_EVENT_TARGET_WINDOW, touchstart, touch_press_callback) + SET_EM_CALLBACK(EMSCRIPTEN_EVENT_TARGET_WINDOW, touchmove, touchmove_callback) + SET_EM_CALLBACK(EMSCRIPTEN_EVENT_TARGET_WINDOW, touchend, touch_press_callback) + SET_EM_CALLBACK(EMSCRIPTEN_EVENT_TARGET_WINDOW, touchcancel, touch_press_callback) + SET_EM_CALLBACK(GODOT_CANVAS_SELECTOR, keydown, keydown_callback) + SET_EM_CALLBACK(GODOT_CANVAS_SELECTOR, keypress, keypress_callback) + SET_EM_CALLBACK(GODOT_CANVAS_SELECTOR, keyup, keyup_callback) + SET_EM_CALLBACK(EMSCRIPTEN_EVENT_TARGET_DOCUMENT, fullscreenchange, fullscreen_change_callback) SET_EM_CALLBACK_NOTARGET(gamepadconnected, gamepad_change_callback) SET_EM_CALLBACK_NOTARGET(gamepaddisconnected, gamepad_change_callback) -#undef SET_EM_CALLBACK_NODATA +#undef SET_EM_CALLBACK_NOTARGET #undef SET_EM_CALLBACK #undef EM_CHECK @@ -1078,15 +1085,15 @@ bool OS_JavaScript::main_loop_iterate() { strategy.canvasResolutionScaleMode = EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_STDDEF; strategy.filteringMode = EMSCRIPTEN_FULLSCREEN_FILTERING_DEFAULT; strategy.canvasResizedCallback = NULL; - emscripten_enter_soft_fullscreen(NULL, &strategy); + emscripten_enter_soft_fullscreen(GODOT_CANVAS_SELECTOR, &strategy); } else { - emscripten_set_canvas_element_size(NULL, windowed_size.width, windowed_size.height); + emscripten_set_canvas_element_size(GODOT_CANVAS_SELECTOR, windowed_size.width, windowed_size.height); } just_exited_fullscreen = false; } int canvas[2]; - emscripten_get_canvas_element_size(NULL, canvas, canvas + 1); + emscripten_get_canvas_element_size(GODOT_CANVAS_SELECTOR, canvas, canvas + 1); video_mode.width = canvas[0]; video_mode.height = canvas[1]; if (!window_maximized && !video_mode.fullscreen && !just_exited_fullscreen && !entering_fullscreen) { |