4e42229bdd
git-subtree-dir: external/gainput git-subtree-split: 2be0a50089eafcc6fccb66142180082e48f27f4c
135 lines
3.3 KiB
C++
135 lines
3.3 KiB
C++
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#include <gainput/gainput.h>
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#include <gainput/gestures/GainputHoldGesture.h>
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#ifdef GAINPUT_ENABLE_HOLD_GESTURE
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#include <gainput/GainputInputDeltaState.h>
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#include <gainput/GainputHelpers.h>
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namespace gainput
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{
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HoldGesture::HoldGesture(InputManager& manager, DeviceId device, unsigned index, DeviceVariant /*variant*/) :
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InputGesture(manager, device, index),
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oneShotReset_(true),
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firstDownTime_(0)
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{
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actionButton_.buttonId = InvalidDeviceButtonId;
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xAxis_.buttonId = InvalidDeviceButtonId;
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yAxis_.buttonId = InvalidDeviceButtonId;
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state_ = manager_.GetAllocator().New<InputState>(manager.GetAllocator(), 1);
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GAINPUT_ASSERT(state_);
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previousState_ = manager_.GetAllocator().New<InputState>(manager.GetAllocator(), 1);
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GAINPUT_ASSERT(previousState_);
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}
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HoldGesture::~HoldGesture()
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{
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manager_.GetAllocator().Delete(state_);
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manager_.GetAllocator().Delete(previousState_);
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}
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void
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HoldGesture::Initialize(DeviceId actionButtonDevice, DeviceButtonId actionButton, bool oneShot, uint64_t timeSpan)
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{
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actionButton_.deviceId = actionButtonDevice;
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actionButton_.buttonId = actionButton;
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xAxis_.buttonId = InvalidDeviceButtonId;
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yAxis_.buttonId = InvalidDeviceButtonId;
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oneShot_ = oneShot;
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timeSpan_ = timeSpan;
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}
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void
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HoldGesture::Initialize(DeviceId actionButtonDevice, DeviceButtonId actionButton,
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DeviceId xAxisDevice, DeviceButtonId xAxis, float xTolerance,
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DeviceId yAxisDevice, DeviceButtonId yAxis, float yTolerance,
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bool oneShot,
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uint64_t timeSpan)
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{
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actionButton_.deviceId = actionButtonDevice;
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actionButton_.buttonId = actionButton;
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xAxis_.deviceId = xAxisDevice;
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xAxis_.buttonId = xAxis;
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xTolerance_ = xTolerance;
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yAxis_.deviceId = yAxisDevice;
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yAxis_.buttonId = yAxis;
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yTolerance_ = yTolerance;
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oneShot_ = oneShot;
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timeSpan_ = timeSpan;
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}
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void
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HoldGesture::InternalUpdate(InputDeltaState* delta)
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{
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if (actionButton_.buttonId == InvalidDeviceButtonId)
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{
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return;
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}
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const InputDevice* actionDevice = manager_.GetDevice(actionButton_.deviceId);
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GAINPUT_ASSERT(actionDevice);
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bool positionValid = false;
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float posX = 0.0f;
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float posY = 0.0f;
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if (xAxis_.buttonId != InvalidDeviceButtonId && yAxis_.buttonId != InvalidDeviceButtonId)
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{
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const InputDevice* xAxisDevice = manager_.GetDevice(xAxis_.deviceId);
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GAINPUT_ASSERT(xAxisDevice);
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posX = xAxisDevice->GetFloat(xAxis_.buttonId);
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const InputDevice* yAxisDevice = manager_.GetDevice(yAxis_.deviceId);
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GAINPUT_ASSERT(yAxisDevice);
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posY = yAxisDevice->GetFloat(yAxis_.buttonId);
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positionValid = true;
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}
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if (actionDevice->GetBool(actionButton_.buttonId))
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{
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if (firstDownTime_ == 0)
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{
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firstDownTime_ = manager_.GetTime();
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firstDownX_ = posX;
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firstDownY_ = posY;
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}
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}
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else
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{
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oneShotReset_ = true;
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firstDownTime_ = 0;
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HandleButton(*this, *state_, delta, HoldTriggered, false);
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return;
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}
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if (positionValid
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&& (Abs(posX - firstDownX_) > xTolerance_ || Abs(posY - firstDownY_) > yTolerance_))
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{
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firstDownTime_ = 0;
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}
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bool downLongEnough = firstDownTime_ + timeSpan_ <= manager_.GetTime();
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if (oneShot_)
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{
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if (downLongEnough && oneShotReset_)
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{
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HandleButton(*this, *state_, delta, HoldTriggered, true);
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oneShotReset_ = false;
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}
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else
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{
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HandleButton(*this, *state_, delta, HoldTriggered, false);
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}
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}
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else
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{
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HandleButton(*this, *state_, delta, HoldTriggered, downLongEnough);
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}
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}
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}
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#endif
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