Merge pull request #9834 from german77/reverted

Qt: Reintroduce scaling for touch input
This commit is contained in:
liamwhite 2023-02-20 09:05:49 -05:00 committed by GitHub
commit 89221ca7d5
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 16 additions and 6 deletions

View File

@ -401,6 +401,12 @@ qreal GRenderWindow::windowPixelRatio() const {
return devicePixelRatioF();
}
std::pair<u32, u32> GRenderWindow::ScaleTouch(const QPointF& pos) const {
const qreal pixel_ratio = windowPixelRatio();
return {static_cast<u32>(std::max(std::round(pos.x() * pixel_ratio), qreal{0.0})),
static_cast<u32>(std::max(std::round(pos.y() * pixel_ratio), qreal{0.0}))};
}
void GRenderWindow::closeEvent(QCloseEvent* event) {
emit Closed();
QWidget::closeEvent(event);
@ -643,7 +649,8 @@ void GRenderWindow::mousePressEvent(QMouseEvent* event) {
// Qt sometimes returns the parent coordinates. To avoid this we read the global mouse
// coordinates and map them to the current render area
const auto pos = mapFromGlobal(QCursor::pos());
const auto [touch_x, touch_y] = MapToTouchScreen(pos.x(), pos.y());
const auto [x, y] = ScaleTouch(pos);
const auto [touch_x, touch_y] = MapToTouchScreen(x, y);
const auto button = QtButtonToMouseButton(event->button());
input_subsystem->GetMouse()->PressMouseButton(button);
@ -661,7 +668,8 @@ void GRenderWindow::mouseMoveEvent(QMouseEvent* event) {
// Qt sometimes returns the parent coordinates. To avoid this we read the global mouse
// coordinates and map them to the current render area
const auto pos = mapFromGlobal(QCursor::pos());
const auto [touch_x, touch_y] = MapToTouchScreen(pos.x(), pos.y());
const auto [x, y] = ScaleTouch(pos);
const auto [touch_x, touch_y] = MapToTouchScreen(x, y);
const int center_x = width() / 2;
const int center_y = height() / 2;
@ -695,8 +703,8 @@ void GRenderWindow::wheelEvent(QWheelEvent* event) {
void GRenderWindow::TouchBeginEvent(const QTouchEvent* event) {
QList<QTouchEvent::TouchPoint> touch_points = event->touchPoints();
for (const auto& touch_point : touch_points) {
const auto pos = touch_point.pos();
const auto [touch_x, touch_y] = MapToTouchScreen(pos.x(), pos.y());
const auto [x, y] = ScaleTouch(touch_point.pos());
const auto [touch_x, touch_y] = MapToTouchScreen(x, y);
input_subsystem->GetTouchScreen()->TouchPressed(touch_x, touch_y, touch_point.id());
}
}
@ -705,8 +713,8 @@ void GRenderWindow::TouchUpdateEvent(const QTouchEvent* event) {
QList<QTouchEvent::TouchPoint> touch_points = event->touchPoints();
input_subsystem->GetTouchScreen()->ClearActiveFlag();
for (const auto& touch_point : touch_points) {
const auto pos = touch_point.pos();
const auto [touch_x, touch_y] = MapToTouchScreen(pos.x(), pos.y());
const auto [x, y] = ScaleTouch(touch_point.pos());
const auto [touch_x, touch_y] = MapToTouchScreen(x, y);
input_subsystem->GetTouchScreen()->TouchMoved(touch_x, touch_y, touch_point.id());
}
input_subsystem->GetTouchScreen()->ReleaseInactiveTouch();

View File

@ -147,6 +147,8 @@ public:
qreal windowPixelRatio() const;
std::pair<u32, u32> ScaleTouch(const QPointF& pos) const;
void closeEvent(QCloseEvent* event) override;
void resizeEvent(QResizeEvent* event) override;