diff options
Diffstat (limited to 'src/plugins/platforms/wasm/qwasmscreen.cpp')
| -rw-r--r-- | src/plugins/platforms/wasm/qwasmscreen.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/plugins/platforms/wasm/qwasmscreen.cpp b/src/plugins/platforms/wasm/qwasmscreen.cpp index 42ca608da1..4930868944 100644 --- a/src/plugins/platforms/wasm/qwasmscreen.cpp +++ b/src/plugins/platforms/wasm/qwasmscreen.cpp @@ -51,8 +51,15 @@ QWasmScreen::QWasmScreen(const emscripten::val &containerOrCanvas) style.set("height", std::string("100%")); } - // Configure canvas emscripten::val style = m_canvas["style"]; + + // Configure container and canvas for accessibility support: set "position: relative" + // so that a11y child elements can be positioned with "position: absolute", and hide + // the canvas from screen readers. + m_container["style"].set("position", std::string("relative")); + m_canvas.call<void>("setAttribute", std::string("aria-hidden"), std::string("true")); // FIXME make the canvas non-focusable, as required by the aria-hidden role + style.set("z-index", std::string("1")); // a11y elements are at 0 + style.set("border", std::string("0px none")); style.set("background-color", std::string("white")); @@ -122,6 +129,8 @@ QWasmScreen *QWasmScreen::get(QPlatformScreen *screen) QWasmScreen *QWasmScreen::get(QScreen *screen) { + if (!screen) + return nullptr; return get(screen->handle()); } |