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Editor: Fall back to the closest screen when necessary (#8354)

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This commit is contained in:
Alexei Kotov 2025-02-18 13:14:20 +03:00
parent 3b05ec0ab1
commit d71e4ec9f0
1 changed files with 19 additions and 11 deletions
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30
apps/opencs/view/doc/view.cpp
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@ -1164,23 +1164,31 @@ void CSVDoc::View::onRequestFocus(const std::string& id)
QScreen* CSVDoc::View::getWidgetScreen(const QPoint& position)
{
QScreen* screen = QApplication::screenAt(position);
if (screen == nullptr)
if (screen)
return screen;
const QList<QScreen*> screens = QApplication::screens();
if (screens.isEmpty())
throw std::runtime_error("No screens available");
int closestDistance = std::numeric_limits<int>::max();
for (QScreen* candidate : screens)
{
QPoint clampedPosition = position;
const QRect geometry = candidate->geometry();
const int dx = position.x() - std::clamp(position.x(), geometry.left(), geometry.right());
const int dy = position.y() - std::clamp(position.y(), geometry.top(), geometry.bottom());
const int distance = dx * dx + dy * dy;
// If we failed to find the screen,
// clamp negative positions and try again
if (clampedPosition.x() <= 0)
clampedPosition.setX(0);
if (clampedPosition.y() <= 0)
clampedPosition.setY(0);
screen = QApplication::screenAt(clampedPosition);
if (distance < closestDistance)
{
closestDistance = distance;
screen = candidate;
}
}
if (screen == nullptr)
throw std::runtime_error(
Misc::StringUtils::format("Can not detect the screen for position [%d, %d]", position.x(), position.y()));
Misc::StringUtils::format("Cannot detect the screen for position [%d, %d]", position.x(), position.y()));
return screen;
}