diff options
Diffstat (limited to 'src/plugins/platforms/wasm/qwasmintegration.cpp')
-rw-r--r-- | src/plugins/platforms/wasm/qwasmintegration.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/plugins/platforms/wasm/qwasmintegration.cpp b/src/plugins/platforms/wasm/qwasmintegration.cpp index e601d553f2..703b0fde0b 100644 --- a/src/plugins/platforms/wasm/qwasmintegration.cpp +++ b/src/plugins/platforms/wasm/qwasmintegration.cpp @@ -115,6 +115,21 @@ QWasmIntegration::QWasmIntegration() } emscripten::val::global("window").set("onbeforeunload", val::module_property("qtBrowserBeforeUnload")); + + // install browser window resize handler + auto onWindowResize = [](int eventType, const EmscriptenUiEvent *e, void *userData) -> int { + Q_UNUSED(eventType); + Q_UNUSED(e); + Q_UNUSED(userData); + + // This resize event is called when the HTML window is resized. Depending + // on the page layout the the canvas(es) might also have been resized, so we + // update the Qt screen sizes (and canvas render sizes). + if (QWasmIntegration *integration = QWasmIntegration::get()) + integration->resizeAllScreens(); + return 0; + }; + emscripten_set_resize_callback(nullptr, nullptr, 1, onWindowResize); } QWasmIntegration::~QWasmIntegration() @@ -245,4 +260,11 @@ void QWasmIntegration::resizeScreen(const QString &canvasId) m_screens.value(canvasId)->updateQScreenAndCanvasRenderSize(); } +void QWasmIntegration::resizeAllScreens() +{ + qDebug() << "resizeAllScreens"; + for (QWasmScreen *screen : m_screens) + screen->updateQScreenAndCanvasRenderSize(); +} + QT_END_NAMESPACE |