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C++ platform Qt example: handle key events

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This commit is contained in:
Olivier Goffart 2023-07-28 12:45:17 +02:00 • committed by Olivier Goffart
parent a34074db11
commit 41f0972e4b
2 changed files with 15 additions and 7 deletions
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3
examples/cpp/platform_qt/appwindow.slint
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@ -1,7 +1,7 @@
// Copyright © SixtyFPS GmbH <info@slint.dev>
// SPDX-License-Identifier: MIT
import {Button, AboutSlint} from "std-widgets.slint";
import {Button, AboutSlint, LineEdit } from "std-widgets.slint";
export component App inherits Window {
preferred-width: 800px;
@ -15,6 +15,7 @@ export component App inherits Window {
clicked => { count += 1; }
}
Text { text: count; }
LineEdit {}
Rectangle { }
}
}

19
examples/cpp/platform_qt/main.cpp
View file

@ -54,11 +54,17 @@ static slint::platform::NativeWindowHandle window_handle_for_qt_window(QWindow *
native->nativeResourceForWindow(QByteArray("connection"), window))) {
return slint::platform::NativeWindowHandle::from_x11_xcb(wid, wid, xcb_connection, screen);
} else {
throw "Unsupported windowing system (tried waylamd, xlib, and xcb)";
throw "Unsupported windowing system (tried wayland, xlib, and xcb)";
}
#endif
}
static slint::SharedString key_event_text(QKeyEvent *e)
{
// TODO: handle special keys
return e->text().toUtf8().data();
}
class MyWindow : public QWindow, public slint::platform::WindowAdapter
{
std::optional<slint::platform::SkiaRenderer> m_renderer;
@ -72,11 +78,6 @@ public:
slint::platform::AbstractRenderer &renderer() override { return m_renderer.value(); }
/*void keyEvent(QKeyEvent *event) override
{
renderer()->dispatch_key_event(slint::cbingen_private::UglyEnum {... })
}*/
void paintEvent(QPaintEvent *ev) override
{
slint::platform::update_timers_and_animations();
@ -93,6 +94,12 @@ public:
if (e->type() == QEvent::UpdateRequest) {
paintEvent(static_cast<QPaintEvent *>(e));
return true;
} else if (e->type() == QEvent::KeyPress) {
window().dispatch_key_press_event(key_event_text(static_cast<QKeyEvent *>(e)));
return true;
} else if (e->type() == QEvent::KeyRelease) {
window().dispatch_key_release_event(key_event_text(static_cast<QKeyEvent *>(e)));
return true;
} else {
return QWindow::event(e);
}