4e42229bdd
git-subtree-dir: external/gainput git-subtree-split: 2be0a50089eafcc6fccb66142180082e48f27f4c
125 lines
3.3 KiB
C++
125 lines
3.3 KiB
C++
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#include <gainput/gainput.h>
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#include <gainput/gestures/GainputDoubleClickGesture.h>
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#ifdef GAINPUT_ENABLE_DOUBLE_CLICK_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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DoubleClickGesture::DoubleClickGesture(InputManager& manager, DeviceId device, unsigned index, DeviceVariant /*variant*/) :
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InputGesture(manager, device, index),
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timeSpan_(1000),
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firstClickTime_(0),
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clicksRegistered_(0),
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clicksTargetCount_(2)
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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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DoubleClickGesture::~DoubleClickGesture()
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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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DoubleClickGesture::Initialize(DeviceId actionButtonDevice, DeviceButtonId actionButton, 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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timeSpan_ = timeSpan;
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}
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void
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DoubleClickGesture::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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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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timeSpan_ = timeSpan;
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}
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void
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DoubleClickGesture::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 clickX = 0.0f;
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float clickY = 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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clickX = 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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clickY = yAxisDevice->GetFloat(yAxis_.buttonId);
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positionValid = true;
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}
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if (actionDevice->GetBoolPrevious(actionButton_.buttonId)
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&& !actionDevice->GetBool(actionButton_.buttonId))
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{
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if (clicksRegistered_ == 0)
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{
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firstClickTime_ = manager_.GetTime();
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firstClickX_ = clickX;
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firstClickY_ = clickY;
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}
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++clicksRegistered_;
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}
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if (firstClickTime_ + timeSpan_ < manager_.GetTime())
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{
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clicksRegistered_ = 0;
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}
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if (positionValid && clicksRegistered_ > 1
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&& (Abs(clickX - firstClickX_) > xTolerance_ || Abs(clickY - firstClickY_) > yTolerance_))
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{
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clicksRegistered_ = 0;
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}
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if (clicksRegistered_ >= clicksTargetCount_)
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{
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clicksRegistered_ = 0;
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HandleButton(*this, *state_, delta, DoubleClickTriggered, true);
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}
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else
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{
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HandleButton(*this, *state_, delta, DoubleClickTriggered, false);
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}
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}
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}
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#endif
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