Merge pull request #5155 from pollend/feat/add-cursor-wrap-mode-viewport

feat: add cursor wrapped mode
This commit is contained in:
Chris Galvan
2022-01-24 11:43:18 -06:00
committed by GitHub
5 changed files with 283 additions and 23 deletions
@@ -47,12 +47,12 @@ namespace UnitTest
void ViewportMouseCursorRequestImpl::BeginCursorCapture()
{
m_inputChannelMapper->SetCursorCaptureEnabled(true);
m_inputChannelMapper->SetCursorMode(AzToolsFramework::CursorInputMode::CursorModeCaptured);
}
void ViewportMouseCursorRequestImpl::EndCursorCapture()
{
m_inputChannelMapper->SetCursorCaptureEnabled(false);
m_inputChannelMapper->SetCursorMode(AzToolsFramework::CursorInputMode::CursorModeNone);
}
bool ViewportMouseCursorRequestImpl::IsMouseOver() const
@@ -241,25 +241,34 @@ namespace AzToolsFramework
}
}
void QtEventToAzInputMapper::SetCursorCaptureEnabled(bool enabled)
void QtEventToAzInputMapper::SetCursorMode(AzToolsFramework::CursorInputMode mode)
{
if (m_capturingCursor != enabled)
if (mode != m_cursorMode)
{
m_capturingCursor = enabled;
if (m_capturingCursor)
m_cursorMode = mode;
switch (m_cursorMode)
{
m_mouseDevice->SetSystemCursorState(AzFramework::SystemCursorState::ConstrainedAndHidden);
case CursorInputMode::CursorModeCaptured:
qApp->setOverrideCursor(Qt::BlankCursor);
}
else
{
m_mouseDevice->SetSystemCursorState(AzFramework::SystemCursorState::UnconstrainedAndVisible);
m_mouseDevice->SetSystemCursorState(AzFramework::SystemCursorState::ConstrainedAndHidden);
break;
case CursorInputMode::CursorModeWrapped:
qApp->restoreOverrideCursor();
m_mouseDevice->SetSystemCursorState(AzFramework::SystemCursorState::UnconstrainedAndVisible);
break;
case CursorInputMode::CursorModeNone:
qApp->restoreOverrideCursor();
m_mouseDevice->SetSystemCursorState(AzFramework::SystemCursorState::UnconstrainedAndVisible);
break;
}
}
}
void QtEventToAzInputMapper::SetCursorCaptureEnabled(bool enabled)
{
SetCursorMode(enabled ? CursorInputMode::CursorModeCaptured : CursorInputMode::CursorModeNone);
}
bool QtEventToAzInputMapper::eventFilter(QObject* object, QEvent* event)
{
// Abort if processing isn't enabled.
@@ -436,25 +445,80 @@ namespace AzToolsFramework
return QPoint{ denormalizedX, denormalizedY };
}
void WrapCursorX(const QRect& rect, QPoint& point)
{
if (point.x() < rect.left())
{
point.setX(rect.right() - 1);
}
else if (point.x() > rect.right())
{
point.setX(rect.left() + 1);
}
}
void WrapCursorY(const QRect& rect, QPoint& point)
{
if (point.y() < rect.top())
{
point.setY(rect.bottom() - 1);
}
else if (point.y() > rect.bottom())
{
point.setY(rect.top() + 1);
}
}
void QtEventToAzInputMapper::HandleMouseMoveEvent(const QPoint& globalCursorPosition)
{
const QPoint cursorDelta = globalCursorPosition - m_previousGlobalCursorPosition;
QScreen* screen = m_sourceWidget->screen();
const QRect widgetRect(m_sourceWidget->mapToGlobal(QPoint(0, 0)), m_sourceWidget->size());
m_mouseDevice->m_cursorPositionData2D->m_normalizedPosition =
WidgetPositionToNormalizedPosition(m_sourceWidget->mapFromGlobal(globalCursorPosition));
m_mouseDevice->m_cursorPositionData2D->m_normalizedPositionDelta = WidgetPositionToNormalizedPosition(cursorDelta);
ProcessPendingMouseEvents(cursorDelta);
if (m_capturingCursor)
switch (m_cursorMode)
{
// Reset our cursor position to the previous point
case CursorInputMode::CursorModeCaptured:
AzQtComponents::SetCursorPos(m_previousGlobalCursorPosition);
}
else
{
break;
case CursorInputMode::CursorModeWrappedX:
case CursorInputMode::CursorModeWrappedY:
case CursorInputMode::CursorModeWrapped:
{
QPoint screenPos(globalCursorPosition);
switch (m_cursorMode)
{
case CursorInputMode::CursorModeWrappedX:
WrapCursorX(widgetRect, screenPos);
break;
case CursorInputMode::CursorModeWrappedY:
WrapCursorY(widgetRect, screenPos);
break;
case CursorInputMode::CursorModeWrapped:
WrapCursorX(widgetRect, screenPos);
WrapCursorY(widgetRect, screenPos);
break;
default:
// this should never happen
AZ_Assert(false, "Invalid Curosr Mode: %i.", m_cursorMode);
break;
}
QCursor::setPos(screen, screenPos);
const QPoint screenDelta = globalCursorPosition - screenPos;
m_previousGlobalCursorPosition = globalCursorPosition - screenDelta;
}
break;
case CursorInputMode::CursorModeNone:
m_previousGlobalCursorPosition = globalCursorPosition;
break;
default:
AZ_Assert(false, "Invalid Curosr Mode: %i.", m_cursorMode);
break;
}
ProcessPendingMouseEvents(cursorDelta);
}
void QtEventToAzInputMapper::HandleKeyEvent(QKeyEvent* keyEvent)
@@ -32,6 +32,17 @@ class QWheelEvent;
namespace AzToolsFramework
{
enum class CursorInputMode {
CursorModeNone,
CursorModeCaptured, //!< Sets whether or not the cursor should be constrained to the source widget and invisible.
//!< Internally, this will reset the cursor position after each move event to ensure movement
//!< events don't allow the cursor to escape. This can be used for typical camera controls
//!< like a dolly or rotation, where mouse movement is important but cursor location is not.
CursorModeWrapped, //!< Flags whether the curser is going to wrap around the soruce widget.
CursorModeWrappedX, //!< Flags whether the curser is going to wrap around the soruce widget only on the left and right side.
CursorModeWrappedY //!< Flags whether the curser is going to wrap around the soruce widget only on the top and bottom side.
};
//! Maps events from the Qt input system to synthetic InputChannels in AzFramework
//! that can be used by AzFramework::ViewportControllers.
class QtEventToAzInputMapper final
@@ -56,8 +67,12 @@ namespace AzToolsFramework
//! Internally, this will reset the cursor position after each move event to ensure movement
//! events don't allow the cursor to escape. This can be used for typical camera controls
//! like a dolly or rotation, where mouse movement is important but cursor location is not.
//! @deprecated Use #SetCursorMode()
void SetCursorCaptureEnabled(bool enabled);
//! Set the cursor mode.
void SetCursorMode(AzToolsFramework::CursorInputMode mode);
void SetOverrideCursor(ViewportInteraction::CursorStyleOverride cursorStyleOverride);
void ClearOverrideCursor();
@@ -176,8 +191,8 @@ namespace AzToolsFramework
QWidget* m_sourceWidget;
// Flags whether or not Qt events should currently be processed.
bool m_enabled = true;
// Flags whether or not the cursor is being constrained to the source widget (for invisible mouse movement).
bool m_capturingCursor = false;
// Controls the cursor behavior.
AzToolsFramework::CursorInputMode m_cursorMode = AzToolsFramework::CursorInputMode::CursorModeNone;
// Flags whether the cursor has been overridden.
bool m_overrideCursor = false;
@@ -44,6 +44,10 @@ namespace UnitTest
QObject::connect(m_inputChannelMapper.get(), &AzToolsFramework::QtEventToAzInputMapper::InputChannelUpdated, m_rootWidget.get(),
[this]([[maybe_unused]] const AzFramework::InputChannel* inputChannel, QEvent* event)
{
if(event == nullptr)
{
return;
}
const QEvent::Type eventType = event->type();
if (eventType == QEvent::Type::MouseButtonPress ||
@@ -96,6 +100,11 @@ namespace UnitTest
m_azChannelEvents.push_back(AzEventInfo(inputChannel));
hasBeenConsumed = m_captureAzEvents;
}
else if (inputChannelId == AzFramework::InputDeviceMouse::SystemCursorPosition)
{
m_azCursorPositions.push_back(*inputChannel.GetCustomData<AzFramework::InputChannel::PositionData2D>());
hasBeenConsumed = m_captureAzEvents;
}
}
else if (AzFramework::InputDeviceKeyboard::IsKeyboardDevice(inputDeviceId))
{
@@ -161,6 +170,7 @@ namespace UnitTest
AZStd::vector<QtEventInfo> m_signalEvents;
AZStd::vector<AzEventInfo> m_azChannelEvents;
AZStd::vector<AZStd::string> m_azTextEvents;
AZStd::vector<AzFramework::InputChannel::PositionData2D> m_azCursorPositions;
bool m_captureAzEvents{ false };
bool m_captureTextEvents{ false };
@@ -512,4 +522,175 @@ namespace UnitTest
return info.param.m_az.GetName();
}
);
struct MouseMoveParam
{
AzToolsFramework::CursorInputMode mode;
int iterations;
QPoint startPos;
QPoint deltaPos;
QPoint expectedPos;
const char* name;
};
class MoveMoveWrapParamQtEventToAzInputMapperFixture
: public QtEventToAzInputMapperFixture
, public ::testing::WithParamInterface<MouseMoveParam>
{
};
TEST_P(MoveMoveWrapParamQtEventToAzInputMapperFixture, DISABLED_MouseMove_NoAzHandlers_VerifyMouseMovementViewport)
{
// setup
const MouseMoveParam mouseMoveParam = GetParam();
AzFramework::InputChannelNotificationBus::Handler::BusConnect();
m_captureAzEvents = true;
m_rootWidget->move(100, 100);
QScreen* screen = m_rootWidget->screen();
MouseMove(m_rootWidget.get(), mouseMoveParam.startPos, QPoint(0, 0));
// given
m_inputChannelMapper->SetCursorMode(mouseMoveParam.mode);
m_azCursorPositions.clear();
for (float i = 0; i < mouseMoveParam.iterations; i++)
{
MouseMove(m_rootWidget.get(), m_rootWidget->mapFromGlobal(QCursor::pos(screen)), (mouseMoveParam.deltaPos / mouseMoveParam.iterations));
}
AZ::Vector2 accumulatedPosition(0.0f,0.0f);
for(const auto& pos: m_azCursorPositions) {
accumulatedPosition += (pos.m_normalizedPositionDelta * AZ::Vector2(aznumeric_cast<float>(WidgetSize.width()), aznumeric_cast<float>(WidgetSize.height())));
}
// validate
const QPoint endPosition = m_rootWidget->mapFromGlobal(QCursor::pos(screen));
EXPECT_NEAR(endPosition.x(), mouseMoveParam.expectedPos.x(), 1.0f);
EXPECT_NEAR(endPosition.y(), mouseMoveParam.expectedPos.y(), 1.0f);
EXPECT_NEAR(accumulatedPosition.GetX(), mouseMoveParam.deltaPos.x(), 1.0f);
EXPECT_NEAR(accumulatedPosition.GetY(), mouseMoveParam.deltaPos.y(), 1.0f);
// cleanup
m_rootWidget->move(0, 0);
m_inputChannelMapper->SetCursorMode(AzToolsFramework::CursorInputMode::CursorModeNone);
AzFramework::InputChannelNotificationBus::Handler::BusDisconnect();
}
INSTANTIATE_TEST_CASE_P(All, MoveMoveWrapParamQtEventToAzInputMapperFixture,
testing::Values(
// verify CursorModeWrappedX wrapping
MouseMoveParam {AzToolsFramework::CursorInputMode::CursorModeWrappedX,
40,
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() - 20, QtEventToAzInputMapperFixture::WidgetSize.height() / 2),
QPoint(40, 0),
QPoint(20, QtEventToAzInputMapperFixture::WidgetSize.height() / 2),
"CursorModeWrappedX_Test_Right"
},
MouseMoveParam {AzToolsFramework::CursorInputMode::CursorModeWrappedX,
40,
QPoint(20, QtEventToAzInputMapperFixture::WidgetSize.height() / 2),
QPoint(-40, 0),
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() - 20, QtEventToAzInputMapperFixture::WidgetSize.height()/2),
"CursorModeWrappedX_Test_Left"
},
MouseMoveParam {AzToolsFramework::CursorInputMode::CursorModeWrappedX,
40,
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() / 2, 20),
QPoint(0, -40),
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() / 2, -20),
"CursorModeWrappedX_Test_Top"
},
MouseMoveParam {AzToolsFramework::CursorInputMode::CursorModeWrappedX,
40,
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() / 2, QtEventToAzInputMapperFixture::WidgetSize.height() - 20),
QPoint(0, 40),
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() / 2, QtEventToAzInputMapperFixture::WidgetSize.height() + 20),
"CursorModeWrappedX_Test_Bottom"
},
// verify CursorModeWrappedY wrapping
MouseMoveParam {AzToolsFramework::CursorInputMode::CursorModeWrappedY,
40,
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() - 20, QtEventToAzInputMapperFixture::WidgetSize.height()/2),
QPoint(40, 0),
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() + 20, QtEventToAzInputMapperFixture::WidgetSize.height()/2),
"CursorModeWrappedY_Test_Right"
},
MouseMoveParam {AzToolsFramework::CursorInputMode::CursorModeWrappedY,
40,
QPoint(20, QtEventToAzInputMapperFixture::WidgetSize.height() / 2),
QPoint(-40, 0),
QPoint(-20, QtEventToAzInputMapperFixture::WidgetSize.height() / 2),
"CursorModeWrappedY_Test_Left"
},
MouseMoveParam {AzToolsFramework::CursorInputMode::CursorModeWrappedY,
40,
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() / 2, 20),
QPoint(0, -40),
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() / 2, QtEventToAzInputMapperFixture::WidgetSize.height() - 20),
"CursorModeWrappedY_Test_Top"
},
MouseMoveParam {AzToolsFramework::CursorInputMode::CursorModeWrappedY,
40,
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() / 2, QtEventToAzInputMapperFixture::WidgetSize.height() - 20),
QPoint(0, 40),
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() / 2, 20),
"CursorModeWrappedY_Test_Bottom"
},
// verify CursorModeWrapped wrapping
MouseMoveParam {AzToolsFramework::CursorInputMode::CursorModeWrapped,
40,
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() - 20, QtEventToAzInputMapperFixture::WidgetSize.height()/2),
QPoint(40, 0),
QPoint(20, QtEventToAzInputMapperFixture::WidgetSize.height()/2),
"CursorModeWrapped_Test_Right"
},
MouseMoveParam {AzToolsFramework::CursorInputMode::CursorModeWrapped,
40,
QPoint(20, QtEventToAzInputMapperFixture::WidgetSize.height() / 2),
QPoint(-40, 0),
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() - 20, QtEventToAzInputMapperFixture::WidgetSize.height()/2),
"CursorModeWrapped_Test_Left"
},
MouseMoveParam {AzToolsFramework::CursorInputMode::CursorModeWrapped,
40,
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() / 2, 20),
QPoint(0, -40),
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() / 2, QtEventToAzInputMapperFixture::WidgetSize.height() - 20),
"CursorModeWrapped_Test_Top"
},
MouseMoveParam {AzToolsFramework::CursorInputMode::CursorModeWrapped,
40,
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() / 2, QtEventToAzInputMapperFixture::WidgetSize.height() - 20),
QPoint(0, 40),
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() / 2, 20),
"CursorModeWrapped_Test_Bottom"
},
// verify CursorModeCaptured
MouseMoveParam {AzToolsFramework::CursorInputMode::CursorModeCaptured,
40,
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() / 2, QtEventToAzInputMapperFixture::WidgetSize.height() / 2),
QPoint(0, 40),
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() / 2, QtEventToAzInputMapperFixture::WidgetSize.height() / 2),
"CursorModeCaptured"
},
// verify CursorModeNone
MouseMoveParam {AzToolsFramework::CursorInputMode::CursorModeNone,
40,
QPoint(QtEventToAzInputMapperFixture::WidgetSize.width() / 2, QtEventToAzInputMapperFixture::WidgetSize.height() / 2),
QPoint(40, 0),
QPoint((QtEventToAzInputMapperFixture::WidgetSize.width() / 2) + 40, (QtEventToAzInputMapperFixture::WidgetSize.height() / 2)),
"CursorModeNone"
}
),
[](const ::testing::TestParamInfo<MouseMoveParam>& info)
{
return info.param.name;
}
);
} // namespace UnitTest
@@ -332,12 +332,12 @@ namespace AtomToolsFramework
void RenderViewportWidget::BeginCursorCapture()
{
m_inputChannelMapper->SetCursorCaptureEnabled(true);
m_inputChannelMapper->SetCursorMode(AzToolsFramework::CursorInputMode::CursorModeCaptured);
}
void RenderViewportWidget::EndCursorCapture()
{
m_inputChannelMapper->SetCursorCaptureEnabled(false);
m_inputChannelMapper->SetCursorMode(AzToolsFramework::CursorInputMode::CursorModeNone);
}
void RenderViewportWidget::SetOverrideCursor(AzToolsFramework::ViewportInteraction::CursorStyleOverride cursorStyleOverride)