krzosa/wasm_transcript_browser
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couple commits

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This commit is contained in:
Krzosa Karol
2026-03-20 00:09:50 +01:00
parent bb3859b537
commit 3d91a1f924
17 changed files with 253 additions and 127 deletions
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41
package/index.html
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@@ -5,7 +5,7 @@
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<title>Hello traveller!</title>
</head>
<body>
@@ -60,6 +60,20 @@ class stream_t {
}
}
function unsecuredCopyToClipboard(text) {
const textArea = document.createElement("textarea");
textArea.value = text;
document.body.appendChild(textArea);
textArea.focus();
textArea.select();
try {
document.execCommand('copy');
} catch (err) {
console.error('Unable to copy to clipboard', err);
}
document.body.removeChild(textArea);
}
class memory_t {
exports = null; // this is set after wasm module created
constructor(wasm_memory) {
@@ -108,6 +122,9 @@ const wasm_app_imports = {
wasm_trap: () => { throw new Error(); },
wasm_write_to_console: (str, len) => { console.log(mem.read_cstr(str, len)); },
wasm_open_link: (str, len) => { window.open(mem.read_cstr(str, len)); },
wasm_set_clipboard: (str, len) => { unsecuredCopyToClipboard(mem.read_cstr(str, len)); },
// gfx
wasm_draw_text: (str, len, x, y, font_str, font_len, font_size, r, g, b, a) => {
ctx2d.font = `${font_size}px ${mem.read_cstr(font_str, font_len)}`;
@@ -137,8 +154,14 @@ const wasm_app_imports = {
ctx2d.rect(x, y, w, h);
ctx2d.clip();
},
wasm_open_link: (str, len) => {
window.open(mem.read_cstr(str, len));
wasm_set_cursor: (cursor_num) => {
let cursor = 'auto';
if (cursor_num == 0) {
cursor = 'text';
} else if (cursor_num == 1) {
cursor = 'pointer';
}
document.getElementById("canvas").style.cursor = cursor;
},
};
@@ -201,14 +224,20 @@ const wasm_app_imports = {
}
});
addEventListener("contextmenu", (event) => { event.preventDefault(); return false; })
addEventListener("resize", (event) => { wake_up(); });
addEventListener("keydown", (event) => {
if (["F1", "F2", "F3", "p"].includes(event.key)) event.preventDefault();
wasm_exports["wasm_key_down"](mem.write_string_to_cglobal("wasm_temp_buff1", event.key), event.ctrlKey, event.shiftKey, event.altKey, event.metaKey);
let memory = wasm_exports["wasm_temp_alloc"](64);
mem.write_string_into_cmemory(memory, 64, event.key);
wasm_exports["wasm_key_down"](memory, event.ctrlKey, event.shiftKey, event.altKey, event.metaKey);
wake_up();
});
addEventListener("keyup", (event) => {
wasm_exports["wasm_key_up"](mem.write_string_to_cglobal("wasm_temp_buff1", event.key), event.ctrlKey, event.shiftKey, event.altKey, event.metaKey);
let memory = wasm_exports["wasm_temp_alloc"](64);
mem.write_string_into_cmemory(memory, 64, event.key);
wasm_exports["wasm_key_up"](memory, event.ctrlKey, event.shiftKey, event.altKey, event.metaKey);
wake_up();
});
addEventListener("mousemove", (event) => {
@@ -216,7 +245,7 @@ const wasm_app_imports = {
wake_up();
});
addEventListener("mousedown", (event) => {
wasm_exports["wasm_mouse_down"](event.clientX, event.clientY, event.button, event.ctrlKey, event.shiftKey, event.altKey, event.metaKey);
wasm_exports["wasm_mouse_down"](event.clientX, event.clientY, event.button, event.ctrlKey, event.shiftKey, event.altKey, event.metaKey, event.detail);
wake_up();
});
addEventListener("mouseup", (event) => {