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Ladybird/Qt: Listen to DPI changes and update WebContentView accordingly

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Bastiaan van der Plaat 2023-12-13 19:10:05 +01:00 • committed by Andreas Kling
parent 51ecfdf71f
commit 04b591b2e0
6 changed files with 81 additions and 15 deletions
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36
Ladybird/Qt/WebContentView.cpp
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@ -63,7 +63,6 @@ WebContentView::WebContentView(WebContentOptions const& web_content_options, Str
setFocusPolicy(Qt::FocusPolicy::StrongFocus);
m_device_pixel_ratio = devicePixelRatio();
m_inverse_pixel_scaling_ratio = 1.0 / m_device_pixel_ratio;
verticalScrollBar()->setSingleStep(24);
horizontalScrollBar()->setSingleStep(24);
@ -325,8 +324,8 @@ KeyCode get_keycode_from_qt_keyboard_event(QKeyEvent const& event)
void WebContentView::wheelEvent(QWheelEvent* event)
{
if (!event->modifiers().testFlag(Qt::ControlModifier)) {
Gfx::IntPoint position(event->position().x() / m_inverse_pixel_scaling_ratio, event->position().y() / m_inverse_pixel_scaling_ratio);
Gfx::IntPoint screen_position(event->globalPosition().x() / m_inverse_pixel_scaling_ratio, event->globalPosition().y() / m_inverse_pixel_scaling_ratio);
Gfx::IntPoint position(event->position().x() * m_device_pixel_ratio, event->position().y() * m_device_pixel_ratio);
Gfx::IntPoint screen_position(event->globalPosition().x() * m_device_pixel_ratio, event->globalPosition().y() * m_device_pixel_ratio);
auto button = get_button_from_qt_event(*event);
auto buttons = get_buttons_from_qt_event(*event);
auto modifiers = get_modifiers_from_qt_mouse_event(*event);
@ -351,8 +350,8 @@ void WebContentView::wheelEvent(QWheelEvent* event)
void WebContentView::mouseMoveEvent(QMouseEvent* event)
{
Gfx::IntPoint position(event->position().x() / m_inverse_pixel_scaling_ratio, event->position().y() / m_inverse_pixel_scaling_ratio);
Gfx::IntPoint screen_position(event->globalPosition().x() / m_inverse_pixel_scaling_ratio, event->globalPosition().y() / m_inverse_pixel_scaling_ratio);
Gfx::IntPoint position(event->position().x() * m_device_pixel_ratio, event->position().y() * m_device_pixel_ratio);
Gfx::IntPoint screen_position(event->globalPosition().x() * m_device_pixel_ratio, event->globalPosition().y() * m_device_pixel_ratio);
auto buttons = get_buttons_from_qt_event(*event);
auto modifiers = get_modifiers_from_qt_mouse_event(*event);
client().async_mouse_move(to_content_position(position), screen_position, 0, buttons, modifiers);
@ -360,8 +359,8 @@ void WebContentView::mouseMoveEvent(QMouseEvent* event)
void WebContentView::mousePressEvent(QMouseEvent* event)
{
Gfx::IntPoint position(event->position().x() / m_inverse_pixel_scaling_ratio, event->position().y() / m_inverse_pixel_scaling_ratio);
Gfx::IntPoint screen_position(event->globalPosition().x() / m_inverse_pixel_scaling_ratio, event->globalPosition().y() / m_inverse_pixel_scaling_ratio);
Gfx::IntPoint position(event->position().x() * m_device_pixel_ratio, event->position().y() * m_device_pixel_ratio);
Gfx::IntPoint screen_position(event->globalPosition().x() * m_device_pixel_ratio, event->globalPosition().y() * m_device_pixel_ratio);
auto button = get_button_from_qt_event(*event);
if (button == 0) {
// We could not convert Qt buttons to something that Lagom can
@ -376,8 +375,8 @@ void WebContentView::mousePressEvent(QMouseEvent* event)
void WebContentView::mouseReleaseEvent(QMouseEvent* event)
{
Gfx::IntPoint position(event->position().x() / m_inverse_pixel_scaling_ratio, event->position().y() / m_inverse_pixel_scaling_ratio);
Gfx::IntPoint screen_position(event->globalPosition().x() / m_inverse_pixel_scaling_ratio, event->globalPosition().y() / m_inverse_pixel_scaling_ratio);
Gfx::IntPoint position(event->position().x() * m_device_pixel_ratio, event->position().y() * m_device_pixel_ratio);
Gfx::IntPoint screen_position(event->globalPosition().x() * m_device_pixel_ratio, event->globalPosition().y() * m_device_pixel_ratio);
auto button = get_button_from_qt_event(*event);
if (event->button() & Qt::MouseButton::BackButton) {
@ -401,8 +400,8 @@ void WebContentView::mouseReleaseEvent(QMouseEvent* event)
void WebContentView::mouseDoubleClickEvent(QMouseEvent* event)
{
Gfx::IntPoint position(event->position().x() / m_inverse_pixel_scaling_ratio, event->position().y() / m_inverse_pixel_scaling_ratio);
Gfx::IntPoint screen_position(event->globalPosition().x() / m_inverse_pixel_scaling_ratio, event->globalPosition().y() / m_inverse_pixel_scaling_ratio);
Gfx::IntPoint position(event->position().x() * m_device_pixel_ratio, event->position().y() * m_device_pixel_ratio);
Gfx::IntPoint screen_position(event->globalPosition().x() * m_device_pixel_ratio, event->globalPosition().y() * m_device_pixel_ratio);
auto button = get_button_from_qt_event(*event);
if (button == 0) {
// We could not convert Qt buttons to something that Lagom can
@ -478,7 +477,7 @@ void WebContentView::focusOutEvent(QFocusEvent*)
void WebContentView::paintEvent(QPaintEvent*)
{
QPainter painter(viewport());
painter.scale(m_inverse_pixel_scaling_ratio, m_inverse_pixel_scaling_ratio);
painter.scale(1 / m_device_pixel_ratio, 1 / m_device_pixel_ratio);
Gfx::Bitmap const* bitmap = nullptr;
Gfx::IntSize bitmap_size;
@ -532,10 +531,19 @@ void WebContentView::set_window_position(Gfx::IntPoint position)
client().async_set_window_position(position);
}
void WebContentView::set_device_pixel_ratio(double device_pixel_ratio)
{
m_device_pixel_ratio = device_pixel_ratio;
client().async_set_device_pixels_per_css_pixel(m_device_pixel_ratio * m_zoom_level);
update_viewport_rect();
handle_resize();
request_repaint();
}
void WebContentView::update_viewport_rect()
{
auto scaled_width = int(viewport()->width() / m_inverse_pixel_scaling_ratio);
auto scaled_height = int(viewport()->height() / m_inverse_pixel_scaling_ratio);
auto scaled_width = int(viewport()->width() * m_device_pixel_ratio);
auto scaled_height = int(viewport()->height() * m_device_pixel_ratio);
Gfx::IntRect rect(max(0, horizontalScrollBar()->value()), max(0, verticalScrollBar()->value()), scaled_width, scaled_height);
set_viewport_rect(rect);