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Fix: [Emscripten] open links in browser (#8655)

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embeddedt 2021-02-08 13:18:30 -05:00 committed by GitHub
parent ac2b5e57cf
commit 6c8f2227cd
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 39 additions and 1 deletions
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28
os/emscripten/pre.js
View File

@ -71,6 +71,34 @@ Module.preRun.push(function() {
* add_server("localhost", 3979); */
}
var leftButtonDown = false;
document.addEventListener("mousedown", e => {
if (e.button == 0) {
leftButtonDown = true;
}
});
document.addEventListener("mouseup", e => {
if (e.button == 0) {
leftButtonDown = false;
}
});
window.openttd_open_url = function(url, url_len) {
const url_string = UTF8ToString(url, url_len);
function openWindow() {
document.removeEventListener("mouseup", openWindow);
window.open(url_string, '_blank');
}
/* Trying to open the URL while the mouse is down results in the button getting stuck, so wait for the
* mouse to be released before opening it. However, when OpenTTD is lagging, the mouse can get released
* before the button click even registers, so check for that, and open the URL immediately if that's the
* case. */
if (leftButtonDown) {
document.addEventListener("mouseup", openWindow);
} else {
openWindow();
}
}
/* https://github.com/emscripten-core/emscripten/pull/12995 implements this
* properly. Till that time, we use a polyfill. */
SOCKFS.websocket_sock_ops.createPeer_ = SOCKFS.websocket_sock_ops.createPeer;

12
src/os/unix/unix.cpp
View File

@ -28,6 +28,10 @@
#include <SDL.h>
#endif
#ifdef __EMSCRIPTEN__
# include <emscripten.h>
#endif
#ifdef __APPLE__
# include <sys/mount.h>
#elif (defined(_POSIX_VERSION) && _POSIX_VERSION >= 200112L) || defined(__GLIBC__)
@ -288,7 +292,13 @@ bool GetClipboardContents(char *buffer, const char *last)
#endif
#ifndef __APPLE__
#if defined(__EMSCRIPTEN__)
void OSOpenBrowser(const char *url)
{
/* Implementation in pre.js */
EM_ASM({ if(window["openttd_open_url"]) window.openttd_open_url($0, $1) }, url, strlen(url));
}
#elif !defined( __APPLE__)
void OSOpenBrowser(const char *url)
{
pid_t child_pid = fork();