mirror of
https://github.com/godotengine/godot.git
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1232 lines
39 KiB
C++
1232 lines
39 KiB
C++
/*************************************************************************/
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/* display_server_javascript.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "platform/javascript/display_server_javascript.h"
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#include "drivers/dummy/rasterizer_dummy.h"
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#include "platform/javascript/os_javascript.h"
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#include <emscripten.h>
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#include <png.h>
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#include "dom_keys.inc"
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#define DOM_BUTTON_LEFT 0
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#define DOM_BUTTON_MIDDLE 1
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#define DOM_BUTTON_RIGHT 2
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#define DOM_BUTTON_XBUTTON1 3
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#define DOM_BUTTON_XBUTTON2 4
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DisplayServerJavaScript *DisplayServerJavaScript::get_singleton() {
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return static_cast<DisplayServerJavaScript *>(DisplayServer::get_singleton());
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}
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// Window (canvas)
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extern "C" EMSCRIPTEN_KEEPALIVE void _set_canvas_id(uint8_t *p_data, int p_data_size) {
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DisplayServerJavaScript *display = DisplayServerJavaScript::get_singleton();
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display->canvas_id.parse_utf8((const char *)p_data, p_data_size);
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display->canvas_id = "#" + display->canvas_id;
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}
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static void focus_canvas() {
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/* clang-format off */
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EM_ASM(
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Module['canvas'].focus();
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);
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/* clang-format on */
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}
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static bool is_canvas_focused() {
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/* clang-format off */
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return EM_ASM_INT_V(
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return document.activeElement == Module['canvas'];
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);
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/* clang-format on */
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}
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static Point2 compute_position_in_canvas(int x, int y) {
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DisplayServerJavaScript *display = DisplayServerJavaScript::get_singleton();
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int canvas_x = EM_ASM_INT({
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return Module['canvas'].getBoundingClientRect().x;
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});
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int canvas_y = EM_ASM_INT({
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return Module['canvas'].getBoundingClientRect().y;
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});
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int canvas_width;
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int canvas_height;
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emscripten_get_canvas_element_size(display->canvas_id.utf8().get_data(), &canvas_width, &canvas_height);
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double element_width;
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double element_height;
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emscripten_get_element_css_size(display->canvas_id.utf8().get_data(), &element_width, &element_height);
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return Point2((int)(canvas_width / element_width * (x - canvas_x)),
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(int)(canvas_height / element_height * (y - canvas_y)));
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}
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static bool cursor_inside_canvas = true;
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EM_BOOL DisplayServerJavaScript::fullscreen_change_callback(int p_event_type, const EmscriptenFullscreenChangeEvent *p_event, void *p_user_data) {
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DisplayServerJavaScript *display = get_singleton();
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// Empty ID is canvas.
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String target_id = String::utf8(p_event->id);
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if (target_id.empty() || "#" + target_id == display->canvas_id) {
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// This event property is the only reliable data on
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// browser fullscreen state.
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if (p_event->isFullscreen) {
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display->window_mode = WINDOW_MODE_FULLSCREEN;
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} else {
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display->window_mode = WINDOW_MODE_WINDOWED;
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}
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}
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return false;
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}
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// Drag and drop callback (see native/utils.js).
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extern "C" EMSCRIPTEN_KEEPALIVE void _drop_files_callback(char *p_filev[], int p_filec) {
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DisplayServerJavaScript *ds = DisplayServerJavaScript::get_singleton();
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if (!ds) {
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ERR_FAIL_MSG("Unable to drop files because the DisplayServer is not active");
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}
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if (ds->drop_files_callback.is_null())
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return;
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Vector<String> files;
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for (int i = 0; i < p_filec; i++) {
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files.push_back(String::utf8(p_filev[i]));
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}
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Variant v = files;
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Variant *vp = &v;
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Variant ret;
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Callable::CallError ce;
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ds->drop_files_callback.call((const Variant **)&vp, 1, ret, ce);
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}
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// Keys
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template <typename T>
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static void dom2godot_mod(T *emscripten_event_ptr, Ref<InputEventWithModifiers> godot_event) {
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godot_event->set_shift(emscripten_event_ptr->shiftKey);
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godot_event->set_alt(emscripten_event_ptr->altKey);
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godot_event->set_control(emscripten_event_ptr->ctrlKey);
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godot_event->set_metakey(emscripten_event_ptr->metaKey);
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}
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static Ref<InputEventKey> setup_key_event(const EmscriptenKeyboardEvent *emscripten_event) {
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Ref<InputEventKey> ev;
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ev.instance();
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ev->set_echo(emscripten_event->repeat);
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dom2godot_mod(emscripten_event, ev);
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ev->set_keycode(dom2godot_keycode(emscripten_event->keyCode));
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ev->set_physical_keycode(dom2godot_keycode(emscripten_event->keyCode));
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String unicode = String::utf8(emscripten_event->key);
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// Check if empty or multi-character (e.g. `CapsLock`).
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if (unicode.length() != 1) {
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// Might be empty as well, but better than nonsense.
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unicode = String::utf8(emscripten_event->charValue);
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}
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if (unicode.length() == 1) {
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ev->set_unicode(unicode[0]);
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}
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return ev;
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}
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EM_BOOL DisplayServerJavaScript::keydown_callback(int p_event_type, const EmscriptenKeyboardEvent *p_event, void *p_user_data) {
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DisplayServerJavaScript *display = get_singleton();
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Ref<InputEventKey> ev = setup_key_event(p_event);
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ev->set_pressed(true);
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if (ev->get_unicode() == 0 && keycode_has_unicode(ev->get_keycode())) {
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// Defer to keypress event for legacy unicode retrieval.
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display->deferred_key_event = ev;
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// Do not suppress keypress event.
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return false;
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}
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Input::get_singleton()->parse_input_event(ev);
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return true;
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}
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EM_BOOL DisplayServerJavaScript::keypress_callback(int p_event_type, const EmscriptenKeyboardEvent *p_event, void *p_user_data) {
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DisplayServerJavaScript *display = get_singleton();
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display->deferred_key_event->set_unicode(p_event->charCode);
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Input::get_singleton()->parse_input_event(display->deferred_key_event);
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return true;
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}
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EM_BOOL DisplayServerJavaScript::keyup_callback(int p_event_type, const EmscriptenKeyboardEvent *p_event, void *p_user_data) {
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Ref<InputEventKey> ev = setup_key_event(p_event);
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ev->set_pressed(false);
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Input::get_singleton()->parse_input_event(ev);
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return ev->get_keycode() != KEY_UNKNOWN && ev->get_keycode() != 0;
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}
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// Mouse
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EM_BOOL DisplayServerJavaScript::mouse_button_callback(int p_event_type, const EmscriptenMouseEvent *p_event, void *p_user_data) {
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DisplayServerJavaScript *display = get_singleton();
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Ref<InputEventMouseButton> ev;
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ev.instance();
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ev->set_pressed(p_event_type == EMSCRIPTEN_EVENT_MOUSEDOWN);
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ev->set_position(compute_position_in_canvas(p_event->clientX, p_event->clientY));
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ev->set_global_position(ev->get_position());
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dom2godot_mod(p_event, ev);
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switch (p_event->button) {
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case DOM_BUTTON_LEFT:
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ev->set_button_index(BUTTON_LEFT);
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break;
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case DOM_BUTTON_MIDDLE:
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ev->set_button_index(BUTTON_MIDDLE);
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break;
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case DOM_BUTTON_RIGHT:
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ev->set_button_index(BUTTON_RIGHT);
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break;
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case DOM_BUTTON_XBUTTON1:
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ev->set_button_index(BUTTON_XBUTTON1);
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break;
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case DOM_BUTTON_XBUTTON2:
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ev->set_button_index(BUTTON_XBUTTON2);
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break;
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default:
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return false;
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}
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if (ev->is_pressed()) {
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double diff = emscripten_get_now() - display->last_click_ms;
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if (ev->get_button_index() == display->last_click_button_index) {
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if (diff < 400 && Point2(display->last_click_pos).distance_to(ev->get_position()) < 5) {
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display->last_click_ms = 0;
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display->last_click_pos = Point2(-100, -100);
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display->last_click_button_index = -1;
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ev->set_doubleclick(true);
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}
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} else {
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display->last_click_button_index = ev->get_button_index();
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}
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if (!ev->is_doubleclick()) {
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display->last_click_ms += diff;
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display->last_click_pos = ev->get_position();
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}
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}
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Input *input = Input::get_singleton();
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int mask = input->get_mouse_button_mask();
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int button_flag = 1 << (ev->get_button_index() - 1);
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if (ev->is_pressed()) {
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// Since the event is consumed, focus manually. The containing iframe,
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// if exists, may not have focus yet, so focus even if already focused.
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focus_canvas();
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mask |= button_flag;
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} else if (mask & button_flag) {
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mask &= ~button_flag;
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} else {
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// Received release event, but press was outside the canvas, so ignore.
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return false;
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}
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ev->set_button_mask(mask);
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input->parse_input_event(ev);
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// Prevent multi-click text selection and wheel-click scrolling anchor.
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// Context menu is prevented through contextmenu event.
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return true;
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}
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EM_BOOL DisplayServerJavaScript::mousemove_callback(int p_event_type, const EmscriptenMouseEvent *p_event, void *p_user_data) {
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Input *input = Input::get_singleton();
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int input_mask = input->get_mouse_button_mask();
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Point2 pos = compute_position_in_canvas(p_event->clientX, p_event->clientY);
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// For motion outside the canvas, only read mouse movement if dragging
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// started inside the canvas; imitating desktop app behaviour.
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if (!cursor_inside_canvas && !input_mask)
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return false;
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Ref<InputEventMouseMotion> ev;
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ev.instance();
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dom2godot_mod(p_event, ev);
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ev->set_button_mask(input_mask);
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ev->set_position(pos);
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ev->set_global_position(ev->get_position());
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ev->set_relative(Vector2(p_event->movementX, p_event->movementY));
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input->set_mouse_position(ev->get_position());
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ev->set_speed(input->get_last_mouse_speed());
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input->parse_input_event(ev);
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// Don't suppress mouseover/-leave events.
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return false;
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}
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// Cursor
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static const char *godot2dom_cursor(DisplayServer::CursorShape p_shape) {
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switch (p_shape) {
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case DisplayServer::CURSOR_ARROW:
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return "auto";
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case DisplayServer::CURSOR_IBEAM:
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return "text";
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case DisplayServer::CURSOR_POINTING_HAND:
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return "pointer";
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case DisplayServer::CURSOR_CROSS:
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return "crosshair";
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case DisplayServer::CURSOR_WAIT:
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return "progress";
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case DisplayServer::CURSOR_BUSY:
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return "wait";
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case DisplayServer::CURSOR_DRAG:
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return "grab";
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case DisplayServer::CURSOR_CAN_DROP:
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return "grabbing";
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case DisplayServer::CURSOR_FORBIDDEN:
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return "no-drop";
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case DisplayServer::CURSOR_VSIZE:
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return "ns-resize";
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case DisplayServer::CURSOR_HSIZE:
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return "ew-resize";
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case DisplayServer::CURSOR_BDIAGSIZE:
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return "nesw-resize";
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case DisplayServer::CURSOR_FDIAGSIZE:
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return "nwse-resize";
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case DisplayServer::CURSOR_MOVE:
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return "move";
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case DisplayServer::CURSOR_VSPLIT:
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return "row-resize";
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case DisplayServer::CURSOR_HSPLIT:
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return "col-resize";
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case DisplayServer::CURSOR_HELP:
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return "help";
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default:
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return "auto";
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}
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}
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static void set_css_cursor(const char *p_cursor) {
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/* clang-format off */
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EM_ASM_({
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Module['canvas'].style.cursor = UTF8ToString($0);
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}, p_cursor);
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/* clang-format on */
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}
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static bool is_css_cursor_hidden() {
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/* clang-format off */
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return EM_ASM_INT({
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return Module['canvas'].style.cursor === 'none';
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});
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/* clang-format on */
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}
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void DisplayServerJavaScript::cursor_set_shape(CursorShape p_shape) {
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ERR_FAIL_INDEX(p_shape, CURSOR_MAX);
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if (mouse_get_mode() == MOUSE_MODE_VISIBLE) {
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if (cursors[p_shape] != "") {
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Vector<String> url = cursors[p_shape].split("?");
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set_css_cursor(("url(\"" + url[0] + "\") " + url[1] + ", auto").utf8());
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} else {
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set_css_cursor(godot2dom_cursor(p_shape));
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}
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}
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cursor_shape = p_shape;
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}
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DisplayServer::CursorShape DisplayServerJavaScript::cursor_get_shape() const {
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return cursor_shape;
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}
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void DisplayServerJavaScript::cursor_set_custom_image(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot) {
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if (p_cursor.is_valid()) {
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Map<CursorShape, Vector<Variant>>::Element *cursor_c = cursors_cache.find(p_shape);
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if (cursor_c) {
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if (cursor_c->get()[0] == p_cursor && cursor_c->get()[1] == p_hotspot) {
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cursor_set_shape(p_shape);
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return;
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}
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cursors_cache.erase(p_shape);
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}
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Ref<Texture2D> texture = p_cursor;
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Ref<AtlasTexture> atlas_texture = p_cursor;
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Ref<Image> image;
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Size2 texture_size;
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Rect2 atlas_rect;
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if (texture.is_valid()) {
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image = texture->get_data();
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}
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if (!image.is_valid() && atlas_texture.is_valid()) {
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texture = atlas_texture->get_atlas();
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atlas_rect.size.width = texture->get_width();
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atlas_rect.size.height = texture->get_height();
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atlas_rect.position.x = atlas_texture->get_region().position.x;
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atlas_rect.position.y = atlas_texture->get_region().position.y;
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texture_size.width = atlas_texture->get_region().size.x;
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texture_size.height = atlas_texture->get_region().size.y;
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} else if (image.is_valid()) {
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texture_size.width = texture->get_width();
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texture_size.height = texture->get_height();
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}
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ERR_FAIL_COND(!texture.is_valid());
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ERR_FAIL_COND(p_hotspot.x < 0 || p_hotspot.y < 0);
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ERR_FAIL_COND(texture_size.width > 256 || texture_size.height > 256);
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ERR_FAIL_COND(p_hotspot.x > texture_size.width || p_hotspot.y > texture_size.height);
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image = texture->get_data();
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ERR_FAIL_COND(!image.is_valid());
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image = image->duplicate();
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if (atlas_texture.is_valid())
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image->crop_from_point(
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atlas_rect.position.x,
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atlas_rect.position.y,
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texture_size.width,
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texture_size.height);
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if (image->get_format() != Image::FORMAT_RGBA8) {
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image->convert(Image::FORMAT_RGBA8);
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}
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png_image png_meta;
|
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memset(&png_meta, 0, sizeof png_meta);
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png_meta.version = PNG_IMAGE_VERSION;
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png_meta.width = texture_size.width;
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png_meta.height = texture_size.height;
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png_meta.format = PNG_FORMAT_RGBA;
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PackedByteArray png;
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size_t len;
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PackedByteArray data = image->get_data();
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ERR_FAIL_COND(!png_image_write_get_memory_size(png_meta, len, 0, data.ptr(), 0, nullptr));
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png.resize(len);
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ERR_FAIL_COND(!png_image_write_to_memory(&png_meta, png.ptrw(), &len, 0, data.ptr(), 0, nullptr));
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char *object_url;
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/* clang-format off */
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EM_ASM({
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var PNG_PTR = $0;
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var PNG_LEN = $1;
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var PTR = $2;
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var png = new Blob([HEAPU8.slice(PNG_PTR, PNG_PTR + PNG_LEN)], { type: 'image/png' });
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var url = URL.createObjectURL(png);
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var length_bytes = lengthBytesUTF8(url) + 1;
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var string_on_wasm_heap = _malloc(length_bytes);
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setValue(PTR, string_on_wasm_heap, '*');
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stringToUTF8(url, string_on_wasm_heap, length_bytes);
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}, png.ptr(), len, &object_url);
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/* clang-format on */
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String url = String::utf8(object_url) + "?" + itos(p_hotspot.x) + " " + itos(p_hotspot.y);
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/* clang-format off */
|
|
EM_ASM({ _free($0); }, object_url);
|
|
/* clang-format on */
|
|
|
|
if (cursors[p_shape] != "") {
|
|
/* clang-format off */
|
|
EM_ASM({
|
|
URL.revokeObjectURL(UTF8ToString($0).split('?')[0]);
|
|
}, cursors[p_shape].utf8().get_data());
|
|
/* clang-format on */
|
|
cursors[p_shape] = "";
|
|
}
|
|
|
|
cursors[p_shape] = url;
|
|
|
|
Vector<Variant> params;
|
|
params.push_back(p_cursor);
|
|
params.push_back(p_hotspot);
|
|
cursors_cache.insert(p_shape, params);
|
|
|
|
} else if (cursors[p_shape] != "") {
|
|
/* clang-format off */
|
|
EM_ASM({
|
|
URL.revokeObjectURL(UTF8ToString($0).split('?')[0]);
|
|
}, cursors[p_shape].utf8().get_data());
|
|
/* clang-format on */
|
|
cursors[p_shape] = "";
|
|
|
|
cursors_cache.erase(p_shape);
|
|
}
|
|
|
|
cursor_set_shape(cursor_shape);
|
|
}
|
|
|
|
// Mouse mode
|
|
void DisplayServerJavaScript::mouse_set_mode(MouseMode p_mode) {
|
|
|
|
ERR_FAIL_COND_MSG(p_mode == MOUSE_MODE_CONFINED, "MOUSE_MODE_CONFINED is not supported for the HTML5 platform.");
|
|
if (p_mode == mouse_get_mode())
|
|
return;
|
|
|
|
if (p_mode == MOUSE_MODE_VISIBLE) {
|
|
|
|
// set_css_cursor must be called before set_cursor_shape to make the cursor visible
|
|
set_css_cursor(godot2dom_cursor(cursor_shape));
|
|
cursor_set_shape(cursor_shape);
|
|
emscripten_exit_pointerlock();
|
|
|
|
} else if (p_mode == MOUSE_MODE_HIDDEN) {
|
|
|
|
set_css_cursor("none");
|
|
emscripten_exit_pointerlock();
|
|
|
|
} else if (p_mode == MOUSE_MODE_CAPTURED) {
|
|
|
|
EMSCRIPTEN_RESULT result = emscripten_request_pointerlock("canvas", false);
|
|
ERR_FAIL_COND_MSG(result == EMSCRIPTEN_RESULT_FAILED_NOT_DEFERRED, "MOUSE_MODE_CAPTURED can only be entered from within an appropriate input callback.");
|
|
ERR_FAIL_COND_MSG(result != EMSCRIPTEN_RESULT_SUCCESS, "MOUSE_MODE_CAPTURED can only be entered from within an appropriate input callback.");
|
|
// set_css_cursor must be called before cursor_set_shape to make the cursor visible
|
|
set_css_cursor(godot2dom_cursor(cursor_shape));
|
|
cursor_set_shape(cursor_shape);
|
|
}
|
|
}
|
|
|
|
DisplayServer::MouseMode DisplayServerJavaScript::mouse_get_mode() const {
|
|
|
|
if (is_css_cursor_hidden())
|
|
return MOUSE_MODE_HIDDEN;
|
|
|
|
EmscriptenPointerlockChangeEvent ev;
|
|
emscripten_get_pointerlock_status(&ev);
|
|
return (ev.isActive && String::utf8(ev.id) == "canvas") ? MOUSE_MODE_CAPTURED : MOUSE_MODE_VISIBLE;
|
|
}
|
|
|
|
// Wheel
|
|
|
|
EM_BOOL DisplayServerJavaScript::wheel_callback(int p_event_type, const EmscriptenWheelEvent *p_event, void *p_user_data) {
|
|
|
|
ERR_FAIL_COND_V(p_event_type != EMSCRIPTEN_EVENT_WHEEL, false);
|
|
if (!is_canvas_focused()) {
|
|
if (cursor_inside_canvas) {
|
|
focus_canvas();
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
Input *input = Input::get_singleton();
|
|
Ref<InputEventMouseButton> ev;
|
|
ev.instance();
|
|
ev->set_position(input->get_mouse_position());
|
|
ev->set_global_position(ev->get_position());
|
|
|
|
ev->set_shift(input->is_key_pressed(KEY_SHIFT));
|
|
ev->set_alt(input->is_key_pressed(KEY_ALT));
|
|
ev->set_control(input->is_key_pressed(KEY_CONTROL));
|
|
ev->set_metakey(input->is_key_pressed(KEY_META));
|
|
|
|
if (p_event->deltaY < 0)
|
|
ev->set_button_index(BUTTON_WHEEL_UP);
|
|
else if (p_event->deltaY > 0)
|
|
ev->set_button_index(BUTTON_WHEEL_DOWN);
|
|
else if (p_event->deltaX > 0)
|
|
ev->set_button_index(BUTTON_WHEEL_LEFT);
|
|
else if (p_event->deltaX < 0)
|
|
ev->set_button_index(BUTTON_WHEEL_RIGHT);
|
|
else
|
|
return false;
|
|
|
|
// Different browsers give wildly different delta values, and we can't
|
|
// interpret deltaMode, so use default value for wheel events' factor.
|
|
|
|
int button_flag = 1 << (ev->get_button_index() - 1);
|
|
|
|
ev->set_pressed(true);
|
|
ev->set_button_mask(input->get_mouse_button_mask() | button_flag);
|
|
input->parse_input_event(ev);
|
|
|
|
ev->set_pressed(false);
|
|
ev->set_button_mask(input->get_mouse_button_mask() & ~button_flag);
|
|
input->parse_input_event(ev);
|
|
|
|
return true;
|
|
}
|
|
|
|
// Touch
|
|
EM_BOOL DisplayServerJavaScript::touch_press_callback(int p_event_type, const EmscriptenTouchEvent *p_event, void *p_user_data) {
|
|
|
|
DisplayServerJavaScript *display = get_singleton();
|
|
Ref<InputEventScreenTouch> ev;
|
|
ev.instance();
|
|
int lowest_id_index = -1;
|
|
for (int i = 0; i < p_event->numTouches; ++i) {
|
|
|
|
const EmscriptenTouchPoint &touch = p_event->touches[i];
|
|
if (lowest_id_index == -1 || touch.identifier < p_event->touches[lowest_id_index].identifier)
|
|
lowest_id_index = i;
|
|
if (!touch.isChanged)
|
|
continue;
|
|
ev->set_index(touch.identifier);
|
|
ev->set_position(compute_position_in_canvas(touch.clientX, touch.clientY));
|
|
display->touches[i] = ev->get_position();
|
|
ev->set_pressed(p_event_type == EMSCRIPTEN_EVENT_TOUCHSTART);
|
|
|
|
Input::get_singleton()->parse_input_event(ev);
|
|
}
|
|
// Resume audio context after input in case autoplay was denied.
|
|
return true;
|
|
}
|
|
|
|
EM_BOOL DisplayServerJavaScript::touchmove_callback(int p_event_type, const EmscriptenTouchEvent *p_event, void *p_user_data) {
|
|
|
|
DisplayServerJavaScript *display = get_singleton();
|
|
Ref<InputEventScreenDrag> ev;
|
|
ev.instance();
|
|
int lowest_id_index = -1;
|
|
for (int i = 0; i < p_event->numTouches; ++i) {
|
|
|
|
const EmscriptenTouchPoint &touch = p_event->touches[i];
|
|
if (lowest_id_index == -1 || touch.identifier < p_event->touches[lowest_id_index].identifier)
|
|
lowest_id_index = i;
|
|
if (!touch.isChanged)
|
|
continue;
|
|
ev->set_index(touch.identifier);
|
|
ev->set_position(compute_position_in_canvas(touch.clientX, touch.clientY));
|
|
Point2 &prev = display->touches[i];
|
|
ev->set_relative(ev->get_position() - prev);
|
|
prev = ev->get_position();
|
|
|
|
Input::get_singleton()->parse_input_event(ev);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool DisplayServerJavaScript::screen_is_touchscreen(int p_screen) const {
|
|
return EM_ASM_INT({ return 'ontouchstart' in window; });
|
|
}
|
|
|
|
// Gamepad
|
|
|
|
EM_BOOL DisplayServerJavaScript::gamepad_change_callback(int p_event_type, const EmscriptenGamepadEvent *p_event, void *p_user_data) {
|
|
|
|
Input *input = Input::get_singleton();
|
|
if (p_event_type == EMSCRIPTEN_EVENT_GAMEPADCONNECTED) {
|
|
|
|
String guid = "";
|
|
if (String::utf8(p_event->mapping) == "standard")
|
|
guid = "Default HTML5 Gamepad";
|
|
input->joy_connection_changed(p_event->index, true, String::utf8(p_event->id), guid);
|
|
} else {
|
|
input->joy_connection_changed(p_event->index, false, "");
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void DisplayServerJavaScript::process_joypads() {
|
|
|
|
int joypad_count = emscripten_get_num_gamepads();
|
|
Input *input = Input::get_singleton();
|
|
for (int joypad = 0; joypad < joypad_count; joypad++) {
|
|
EmscriptenGamepadEvent state;
|
|
EMSCRIPTEN_RESULT query_result = emscripten_get_gamepad_status(joypad, &state);
|
|
// Chromium reserves gamepads slots, so NO_DATA is an expected result.
|
|
ERR_CONTINUE(query_result != EMSCRIPTEN_RESULT_SUCCESS &&
|
|
query_result != EMSCRIPTEN_RESULT_NO_DATA);
|
|
if (query_result == EMSCRIPTEN_RESULT_SUCCESS && state.connected) {
|
|
|
|
int button_count = MIN(state.numButtons, 18);
|
|
int axis_count = MIN(state.numAxes, 8);
|
|
for (int button = 0; button < button_count; button++) {
|
|
|
|
float value = state.analogButton[button];
|
|
input->joy_button(joypad, button, value);
|
|
}
|
|
for (int axis = 0; axis < axis_count; axis++) {
|
|
|
|
Input::JoyAxis joy_axis;
|
|
joy_axis.min = -1;
|
|
joy_axis.value = state.axis[axis];
|
|
input->joy_axis(joypad, axis, joy_axis);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
bool DisplayServerJavaScript::is_joy_known(int p_device) {
|
|
|
|
return Input::get_singleton()->is_joy_mapped(p_device);
|
|
}
|
|
|
|
String DisplayServerJavaScript::get_joy_guid(int p_device) const {
|
|
|
|
return Input::get_singleton()->get_joy_guid_remapped(p_device);
|
|
}
|
|
#endif
|
|
|
|
Vector<String> DisplayServerJavaScript::get_rendering_drivers_func() {
|
|
Vector<String> drivers;
|
|
drivers.push_back("dummy");
|
|
return drivers;
|
|
}
|
|
|
|
// Clipboard
|
|
extern "C" EMSCRIPTEN_KEEPALIVE void update_clipboard(const char *p_text) {
|
|
// Only call set_clipboard from OS (sets local clipboard)
|
|
DisplayServerJavaScript::get_singleton()->clipboard = p_text;
|
|
}
|
|
|
|
void DisplayServerJavaScript::clipboard_set(const String &p_text) {
|
|
/* clang-format off */
|
|
int err = EM_ASM_INT({
|
|
var text = UTF8ToString($0);
|
|
if (!navigator.clipboard || !navigator.clipboard.writeText)
|
|
return 1;
|
|
navigator.clipboard.writeText(text).catch(function(e) {
|
|
// Setting OS clipboard is only possible from an input callback.
|
|
console.error("Setting OS clipboard is only possible from an input callback for the HTML5 plafrom. Exception:", e);
|
|
});
|
|
return 0;
|
|
}, p_text.utf8().get_data());
|
|
/* clang-format on */
|
|
ERR_FAIL_COND_MSG(err, "Clipboard API is not supported.");
|
|
}
|
|
|
|
String DisplayServerJavaScript::clipboard_get() const {
|
|
/* clang-format off */
|
|
EM_ASM({
|
|
try {
|
|
navigator.clipboard.readText().then(function (result) {
|
|
ccall('update_clipboard', 'void', ['string'], [result]);
|
|
}).catch(function (e) {
|
|
// Fail graciously.
|
|
});
|
|
} catch (e) {
|
|
// Fail graciously.
|
|
}
|
|
});
|
|
/* clang-format on */
|
|
return clipboard;
|
|
}
|
|
|
|
extern "C" EMSCRIPTEN_KEEPALIVE void send_window_event(int p_notification) {
|
|
|
|
if (p_notification == DisplayServer::WINDOW_EVENT_MOUSE_ENTER || p_notification == DisplayServer::WINDOW_EVENT_MOUSE_EXIT) {
|
|
cursor_inside_canvas = p_notification == DisplayServer::WINDOW_EVENT_MOUSE_ENTER;
|
|
}
|
|
OS_JavaScript *os = OS_JavaScript::get_singleton();
|
|
if (os->is_finalizing())
|
|
return; // We don't want events anymore.
|
|
DisplayServerJavaScript *ds = DisplayServerJavaScript::get_singleton();
|
|
if (ds && !ds->window_event_callback.is_null()) {
|
|
Variant event = int(p_notification);
|
|
Variant *eventp = &event;
|
|
Variant ret;
|
|
Callable::CallError ce;
|
|
ds->window_event_callback.call((const Variant **)&eventp, 1, ret, ce);
|
|
}
|
|
}
|
|
|
|
void DisplayServerJavaScript::alert(const String &p_alert, const String &p_title) {
|
|
|
|
/* clang-format off */
|
|
EM_ASM_({
|
|
window.alert(UTF8ToString($0));
|
|
}, p_alert.utf8().get_data());
|
|
/* clang-format on */
|
|
}
|
|
|
|
void DisplayServerJavaScript::set_icon(const Ref<Image> &p_icon) {
|
|
|
|
ERR_FAIL_COND(p_icon.is_null());
|
|
Ref<Image> icon = p_icon;
|
|
if (icon->is_compressed()) {
|
|
icon = icon->duplicate();
|
|
ERR_FAIL_COND(icon->decompress() != OK);
|
|
}
|
|
if (icon->get_format() != Image::FORMAT_RGBA8) {
|
|
if (icon == p_icon)
|
|
icon = icon->duplicate();
|
|
icon->convert(Image::FORMAT_RGBA8);
|
|
}
|
|
|
|
png_image png_meta;
|
|
memset(&png_meta, 0, sizeof png_meta);
|
|
png_meta.version = PNG_IMAGE_VERSION;
|
|
png_meta.width = icon->get_width();
|
|
png_meta.height = icon->get_height();
|
|
png_meta.format = PNG_FORMAT_RGBA;
|
|
|
|
PackedByteArray png;
|
|
size_t len;
|
|
PackedByteArray data = icon->get_data();
|
|
ERR_FAIL_COND(!png_image_write_get_memory_size(png_meta, len, 0, data.ptr(), 0, nullptr));
|
|
|
|
png.resize(len);
|
|
ERR_FAIL_COND(!png_image_write_to_memory(&png_meta, png.ptrw(), &len, 0, data.ptr(), 0, nullptr));
|
|
|
|
/* clang-format off */
|
|
EM_ASM({
|
|
var PNG_PTR = $0;
|
|
var PNG_LEN = $1;
|
|
|
|
var png = new Blob([HEAPU8.slice(PNG_PTR, PNG_PTR + PNG_LEN)], { type: "image/png" });
|
|
var url = URL.createObjectURL(png);
|
|
var link = document.getElementById('-gd-engine-icon');
|
|
if (link === null) {
|
|
link = document.createElement('link');
|
|
link.rel = 'icon';
|
|
link.id = '-gd-engine-icon';
|
|
document.head.appendChild(link);
|
|
}
|
|
link.href = url;
|
|
}, png.ptr(), len);
|
|
/* clang-format on */
|
|
}
|
|
|
|
void DisplayServerJavaScript::_dispatch_input_event(const Ref<InputEvent> &p_event) {
|
|
OS_JavaScript *os = OS_JavaScript::get_singleton();
|
|
if (os->is_finalizing())
|
|
return; // We don't want events anymore.
|
|
|
|
// Resume audio context after input in case autoplay was denied.
|
|
os->resume_audio();
|
|
|
|
Callable cb = get_singleton()->input_event_callback;
|
|
if (!cb.is_null()) {
|
|
Variant ev = p_event;
|
|
Variant *evp = &ev;
|
|
Variant ret;
|
|
Callable::CallError ce;
|
|
cb.call((const Variant **)&evp, 1, ret, ce);
|
|
}
|
|
}
|
|
|
|
DisplayServer *DisplayServerJavaScript::create_func(const String &p_rendering_driver, DisplayServer::WindowMode p_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error) {
|
|
return memnew(DisplayServerJavaScript(p_rendering_driver, p_mode, p_flags, p_resolution, r_error));
|
|
}
|
|
|
|
DisplayServerJavaScript::DisplayServerJavaScript(const String &p_rendering_driver, WindowMode p_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error) {
|
|
|
|
/* clang-format off */
|
|
EM_ASM({
|
|
const canvas = Module['canvas'];
|
|
var enc = new TextEncoder("utf-8");
|
|
var buffer = new Uint8Array(enc.encode(canvas.id));
|
|
var len = buffer.byteLength;
|
|
var out = _malloc(len);
|
|
HEAPU8.set(buffer, out);
|
|
ccall("_set_canvas_id",
|
|
"void",
|
|
["number", "number"],
|
|
[out, len]
|
|
);
|
|
_free(out);
|
|
});
|
|
/* clang-format on */
|
|
|
|
RasterizerDummy::make_current(); // TODO GLES2 in Godot 4.0... or webgpu?
|
|
#if 0
|
|
EmscriptenWebGLContextAttributes attributes;
|
|
emscripten_webgl_init_context_attributes(&attributes);
|
|
attributes.alpha = GLOBAL_GET("display/window/per_pixel_transparency/allowed");
|
|
attributes.antialias = false;
|
|
ERR_FAIL_INDEX_V(p_video_driver, VIDEO_DRIVER_MAX, ERR_INVALID_PARAMETER);
|
|
|
|
if (p_desired.layered) {
|
|
set_window_per_pixel_transparency_enabled(true);
|
|
}
|
|
|
|
bool gl_initialization_error = false;
|
|
|
|
if (RasterizerGLES2::is_viable() == OK) {
|
|
attributes.majorVersion = 1;
|
|
RasterizerGLES2::register_config();
|
|
RasterizerGLES2::make_current();
|
|
} else {
|
|
gl_initialization_error = true;
|
|
}
|
|
|
|
EMSCRIPTEN_WEBGL_CONTEXT_HANDLE ctx = emscripten_webgl_create_context(canvas_id.utf8().get_data(), &attributes);
|
|
if (emscripten_webgl_make_context_current(ctx) != EMSCRIPTEN_RESULT_SUCCESS) {
|
|
gl_initialization_error = true;
|
|
}
|
|
|
|
if (gl_initialization_error) {
|
|
OS::get_singleton()->alert("Your browser does not seem to support WebGL. Please update your browser version.",
|
|
"Unable to initialize video driver");
|
|
return ERR_UNAVAILABLE;
|
|
}
|
|
|
|
video_driver_index = p_video_driver;
|
|
#endif
|
|
|
|
/* clang-format off */
|
|
window_set_mode(p_mode);
|
|
if (EM_ASM_INT_V({ return Module['resizeCanvasOnStart'] })) {
|
|
/* clang-format on */
|
|
window_set_size(p_resolution);
|
|
}
|
|
|
|
EMSCRIPTEN_RESULT result;
|
|
CharString id = canvas_id.utf8();
|
|
#define EM_CHECK(ev) \
|
|
if (result != EMSCRIPTEN_RESULT_SUCCESS) \
|
|
ERR_PRINT("Error while setting " #ev " callback: Code " + itos(result));
|
|
#define SET_EM_CALLBACK(target, ev, cb) \
|
|
result = emscripten_set_##ev##_callback(target, nullptr, true, &cb); \
|
|
EM_CHECK(ev)
|
|
#define SET_EM_CALLBACK_NOTARGET(ev, cb) \
|
|
result = emscripten_set_##ev##_callback(nullptr, true, &cb); \
|
|
EM_CHECK(ev)
|
|
// 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(EMSCRIPTEN_EVENT_TARGET_WINDOW, mousemove, mousemove_callback)
|
|
SET_EM_CALLBACK(id.get_data(), mousedown, mouse_button_callback)
|
|
SET_EM_CALLBACK(EMSCRIPTEN_EVENT_TARGET_WINDOW, mouseup, mouse_button_callback)
|
|
SET_EM_CALLBACK(id.get_data(), wheel, wheel_callback)
|
|
SET_EM_CALLBACK(id.get_data(), touchstart, touch_press_callback)
|
|
SET_EM_CALLBACK(id.get_data(), touchmove, touchmove_callback)
|
|
SET_EM_CALLBACK(id.get_data(), touchend, touch_press_callback)
|
|
SET_EM_CALLBACK(id.get_data(), touchcancel, touch_press_callback)
|
|
SET_EM_CALLBACK(id.get_data(), keydown, keydown_callback)
|
|
SET_EM_CALLBACK(id.get_data(), keypress, keypress_callback)
|
|
SET_EM_CALLBACK(id.get_data(), 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_NOTARGET
|
|
#undef SET_EM_CALLBACK
|
|
#undef EM_CHECK
|
|
|
|
/* clang-format off */
|
|
EM_ASM_ARGS({
|
|
Module.listeners = {};
|
|
const canvas = Module['canvas'];
|
|
const send_window_event = cwrap('send_window_event', null, ['number']);
|
|
const notifications = arguments;
|
|
(['mouseover', 'mouseleave', 'focus', 'blur']).forEach(function(event, index) {
|
|
Module.listeners[event] = send_window_event.bind(null, notifications[index]);
|
|
canvas.addEventListener(event, Module.listeners[event]);
|
|
});
|
|
// Clipboard
|
|
const update_clipboard = cwrap('update_clipboard', null, ['string']);
|
|
Module.listeners['paste'] = function(evt) {
|
|
update_clipboard(evt.clipboardData.getData('text'));
|
|
};
|
|
window.addEventListener('paste', Module.listeners['paste'], false);
|
|
Module.listeners['dragover'] = function(ev) {
|
|
// Prevent default behavior (which would try to open the file(s))
|
|
ev.preventDefault();
|
|
};
|
|
Module.listeners['drop'] = Module.drop_handler; // Defined in native/utils.js
|
|
canvas.addEventListener('dragover', Module.listeners['dragover'], false);
|
|
canvas.addEventListener('drop', Module.listeners['drop'], false);
|
|
},
|
|
WINDOW_EVENT_MOUSE_ENTER,
|
|
WINDOW_EVENT_MOUSE_EXIT,
|
|
WINDOW_EVENT_FOCUS_IN,
|
|
WINDOW_EVENT_FOCUS_OUT
|
|
);
|
|
/* clang-format on */
|
|
|
|
Input::get_singleton()->set_event_dispatch_function(_dispatch_input_event);
|
|
}
|
|
|
|
DisplayServerJavaScript::~DisplayServerJavaScript() {
|
|
EM_ASM({
|
|
Object.entries(Module.listeners).forEach(function(kv) {
|
|
if (kv[0] == 'paste') {
|
|
window.removeEventListener(kv[0], kv[1], true);
|
|
} else {
|
|
Module['canvas'].removeEventListener(kv[0], kv[1]);
|
|
}
|
|
});
|
|
Module.listeners = {};
|
|
});
|
|
//emscripten_webgl_commit_frame();
|
|
//emscripten_webgl_destroy_context(webgl_ctx);
|
|
}
|
|
|
|
bool DisplayServerJavaScript::has_feature(Feature p_feature) const {
|
|
switch (p_feature) {
|
|
//case FEATURE_CONSOLE_WINDOW:
|
|
//case FEATURE_GLOBAL_MENU:
|
|
//case FEATURE_HIDPI:
|
|
//case FEATURE_IME:
|
|
case FEATURE_ICON:
|
|
case FEATURE_CLIPBOARD:
|
|
case FEATURE_CURSOR_SHAPE:
|
|
case FEATURE_CUSTOM_CURSOR_SHAPE:
|
|
case FEATURE_MOUSE:
|
|
case FEATURE_TOUCHSCREEN:
|
|
return true;
|
|
//case FEATURE_MOUSE_WARP:
|
|
//case FEATURE_NATIVE_DIALOG:
|
|
//case FEATURE_NATIVE_ICON:
|
|
//case FEATURE_NATIVE_VIDEO:
|
|
//case FEATURE_WINDOW_TRANSPARENCY:
|
|
//case FEATURE_KEEP_SCREEN_ON:
|
|
//case FEATURE_ORIENTATION:
|
|
//case FEATURE_VIRTUAL_KEYBOARD:
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void DisplayServerJavaScript::register_javascript_driver() {
|
|
register_create_function("javascript", create_func, get_rendering_drivers_func);
|
|
}
|
|
|
|
String DisplayServerJavaScript::get_name() const {
|
|
return "javascript";
|
|
}
|
|
|
|
int DisplayServerJavaScript::get_screen_count() const {
|
|
return 1;
|
|
}
|
|
|
|
Point2i DisplayServerJavaScript::screen_get_position(int p_screen) const {
|
|
return Point2i(); // TODO offsetX/Y?
|
|
}
|
|
|
|
Size2i DisplayServerJavaScript::screen_get_size(int p_screen) const {
|
|
|
|
EmscriptenFullscreenChangeEvent ev;
|
|
EMSCRIPTEN_RESULT result = emscripten_get_fullscreen_status(&ev);
|
|
ERR_FAIL_COND_V(result != EMSCRIPTEN_RESULT_SUCCESS, Size2i());
|
|
return Size2i(ev.screenWidth, ev.screenHeight);
|
|
}
|
|
|
|
Rect2i DisplayServerJavaScript::screen_get_usable_rect(int p_screen) const {
|
|
int canvas[2];
|
|
emscripten_get_canvas_element_size(canvas_id.utf8().get_data(), canvas, canvas + 1);
|
|
return Rect2i(0, 0, canvas[0], canvas[1]);
|
|
}
|
|
|
|
int DisplayServerJavaScript::screen_get_dpi(int p_screen) const {
|
|
return 96; // TODO maybe check pixel ratio via window.devicePixelRatio * 96? Inexact.
|
|
}
|
|
|
|
Vector<DisplayServer::WindowID> DisplayServerJavaScript::get_window_list() const {
|
|
Vector<WindowID> ret;
|
|
ret.push_back(MAIN_WINDOW_ID);
|
|
return ret;
|
|
}
|
|
|
|
DisplayServerJavaScript::WindowID DisplayServerJavaScript::get_window_at_screen_position(const Point2i &p_position) const {
|
|
return MAIN_WINDOW_ID;
|
|
}
|
|
|
|
void DisplayServerJavaScript::window_attach_instance_id(ObjectID p_instance, WindowID p_window) {
|
|
window_attached_instance_id = p_instance;
|
|
}
|
|
|
|
ObjectID DisplayServerJavaScript::window_get_attached_instance_id(WindowID p_window) const {
|
|
return window_attached_instance_id;
|
|
}
|
|
|
|
void DisplayServerJavaScript::window_set_rect_changed_callback(const Callable &p_callable, WindowID p_window) {
|
|
// Not supported.
|
|
}
|
|
|
|
void DisplayServerJavaScript::window_set_window_event_callback(const Callable &p_callable, WindowID p_window) {
|
|
window_event_callback = p_callable;
|
|
}
|
|
|
|
void DisplayServerJavaScript::window_set_input_event_callback(const Callable &p_callable, WindowID p_window) {
|
|
input_event_callback = p_callable;
|
|
}
|
|
|
|
void DisplayServerJavaScript::window_set_input_text_callback(const Callable &p_callable, WindowID p_window) {
|
|
input_text_callback = p_callable; // TODO unused... do I need this?
|
|
}
|
|
|
|
void DisplayServerJavaScript::window_set_drop_files_callback(const Callable &p_callable, WindowID p_window) {
|
|
drop_files_callback = p_callable;
|
|
}
|
|
|
|
void DisplayServerJavaScript::window_set_title(const String &p_title, WindowID p_window) {
|
|
/* clang-format off */
|
|
EM_ASM_({
|
|
document.title = UTF8ToString($0);
|
|
}, p_title.utf8().get_data());
|
|
/* clang-format on */
|
|
}
|
|
|
|
int DisplayServerJavaScript::window_get_current_screen(WindowID p_window) const {
|
|
return 1;
|
|
}
|
|
|
|
void DisplayServerJavaScript::window_set_current_screen(int p_screen, WindowID p_window) {
|
|
// Not implemented.
|
|
}
|
|
|
|
Point2i DisplayServerJavaScript::window_get_position(WindowID p_window) const {
|
|
return Point2i(); // TODO Does this need implementation?
|
|
}
|
|
void DisplayServerJavaScript::window_set_position(const Point2i &p_position, WindowID p_window) {
|
|
// Not supported.
|
|
}
|
|
|
|
void DisplayServerJavaScript::window_set_transient(WindowID p_window, WindowID p_parent) {
|
|
// Not supported.
|
|
}
|
|
|
|
void DisplayServerJavaScript::window_set_max_size(const Size2i p_size, WindowID p_window) {
|
|
// Not supported.
|
|
}
|
|
|
|
Size2i DisplayServerJavaScript::window_get_max_size(WindowID p_window) const {
|
|
return Size2i();
|
|
}
|
|
|
|
void DisplayServerJavaScript::window_set_min_size(const Size2i p_size, WindowID p_window) {
|
|
// Not supported.
|
|
}
|
|
|
|
Size2i DisplayServerJavaScript::window_get_min_size(WindowID p_window) const {
|
|
return Size2i();
|
|
}
|
|
|
|
void DisplayServerJavaScript::window_set_size(const Size2i p_size, WindowID p_window) {
|
|
emscripten_set_canvas_element_size(canvas_id.utf8().get_data(), p_size.x, p_size.y);
|
|
}
|
|
|
|
Size2i DisplayServerJavaScript::window_get_size(WindowID p_window) const {
|
|
int canvas[2];
|
|
emscripten_get_canvas_element_size(canvas_id.utf8().get_data(), canvas, canvas + 1);
|
|
return Size2(canvas[0], canvas[1]);
|
|
}
|
|
|
|
Size2i DisplayServerJavaScript::window_get_real_size(WindowID p_window) const {
|
|
return window_get_size(p_window);
|
|
}
|
|
|
|
void DisplayServerJavaScript::window_set_mode(WindowMode p_mode, WindowID p_window) {
|
|
if (window_mode == p_mode)
|
|
return;
|
|
|
|
switch (p_mode) {
|
|
case WINDOW_MODE_WINDOWED: {
|
|
if (window_mode == WINDOW_MODE_FULLSCREEN) {
|
|
emscripten_exit_fullscreen();
|
|
}
|
|
window_mode = WINDOW_MODE_WINDOWED;
|
|
window_set_size(windowed_size);
|
|
} break;
|
|
case WINDOW_MODE_FULLSCREEN: {
|
|
EmscriptenFullscreenStrategy strategy;
|
|
strategy.scaleMode = EMSCRIPTEN_FULLSCREEN_SCALE_STRETCH;
|
|
strategy.canvasResolutionScaleMode = EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_STDDEF;
|
|
strategy.filteringMode = EMSCRIPTEN_FULLSCREEN_FILTERING_DEFAULT;
|
|
strategy.canvasResizedCallback = nullptr;
|
|
EMSCRIPTEN_RESULT result = emscripten_request_fullscreen_strategy(canvas_id.utf8().get_data(), 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.");
|
|
} break;
|
|
case WINDOW_MODE_MAXIMIZED:
|
|
case WINDOW_MODE_MINIMIZED:
|
|
WARN_PRINT("WindowMode MAXIMIZED and MINIMIZED are not supported in HTML5 platform.");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
DisplayServerJavaScript::WindowMode DisplayServerJavaScript::window_get_mode(WindowID p_window) const {
|
|
return window_mode;
|
|
}
|
|
|
|
bool DisplayServerJavaScript::window_is_maximize_allowed(WindowID p_window) const {
|
|
return false;
|
|
}
|
|
|
|
void DisplayServerJavaScript::window_set_flag(WindowFlags p_flag, bool p_enabled, WindowID p_window) {
|
|
// Not supported.
|
|
}
|
|
|
|
bool DisplayServerJavaScript::window_get_flag(WindowFlags p_flag, WindowID p_window) const {
|
|
return false;
|
|
}
|
|
|
|
void DisplayServerJavaScript::window_request_attention(WindowID p_window) {
|
|
// Not supported.
|
|
}
|
|
|
|
void DisplayServerJavaScript::window_move_to_foreground(WindowID p_window) {
|
|
// Not supported.
|
|
}
|
|
|
|
bool DisplayServerJavaScript::window_can_draw(WindowID p_window) const {
|
|
return true;
|
|
}
|
|
|
|
bool DisplayServerJavaScript::can_any_window_draw() const {
|
|
return true;
|
|
}
|
|
|
|
void DisplayServerJavaScript::process_events() {
|
|
if (emscripten_sample_gamepad_data() == EMSCRIPTEN_RESULT_SUCCESS)
|
|
process_joypads();
|
|
}
|
|
|
|
int DisplayServerJavaScript::get_current_video_driver() const {
|
|
return 1;
|
|
}
|
|
|
|
void DisplayServerJavaScript::swap_buffers() {
|
|
//emscripten_webgl_commit_frame();
|
|
}
|