Squashed 'external/gainput/' content from commit 2be0a50

git-subtree-dir: external/gainput git-subtree-split: 2be0a50089eafcc6fccb66142180082e48f27f4c
2024-01-22 08:51:55 +01:00
commit 4e42229bdd
170 changed files with 31921 additions and 0 deletions
--- a/lib/source/gainput/gestures/GainputDoubleClickGesture.cpp
+++ b/lib/source/gainput/gestures/GainputDoubleClickGesture.cpp
@@ -0,0 +1,124 @@
+
+#include <gainput/gainput.h>
+#include <gainput/gestures/GainputDoubleClickGesture.h>
+
+#ifdef GAINPUT_ENABLE_DOUBLE_CLICK_GESTURE
+#include <gainput/GainputInputDeltaState.h>
+#include <gainput/GainputHelpers.h>
+
+namespace gainput
+{
+
+DoubleClickGesture::DoubleClickGesture(InputManager& manager, DeviceId device, unsigned index, DeviceVariant /*variant*/) :
+	InputGesture(manager, device, index),
+	timeSpan_(1000),
+	firstClickTime_(0),
+	clicksRegistered_(0),
+	clicksTargetCount_(2)
+{
+	actionButton_.buttonId = InvalidDeviceButtonId;
+	xAxis_.buttonId = InvalidDeviceButtonId;
+	yAxis_.buttonId = InvalidDeviceButtonId;
+
+	state_ = manager_.GetAllocator().New<InputState>(manager.GetAllocator(), 1);
+	GAINPUT_ASSERT(state_);
+	previousState_ = manager_.GetAllocator().New<InputState>(manager.GetAllocator(), 1);
+	GAINPUT_ASSERT(previousState_);
+}
+
+DoubleClickGesture::~DoubleClickGesture()
+{
+	manager_.GetAllocator().Delete(state_);
+	manager_.GetAllocator().Delete(previousState_);
+}
+
+void
+DoubleClickGesture::Initialize(DeviceId actionButtonDevice, DeviceButtonId actionButton, uint64_t timeSpan)
+{
+	actionButton_.deviceId = actionButtonDevice;
+	actionButton_.buttonId = actionButton;
+	xAxis_.buttonId = InvalidDeviceButtonId;
+	yAxis_.buttonId = InvalidDeviceButtonId;
+	timeSpan_ = timeSpan;
+}
+
+void
+DoubleClickGesture::Initialize(DeviceId actionButtonDevice, DeviceButtonId actionButton, 
+		DeviceId xAxisDevice, DeviceButtonId xAxis, float xTolerance, 
+		DeviceId yAxisDevice, DeviceButtonId yAxis, float yTolerance, 
+		uint64_t timeSpan)
+{
+	actionButton_.deviceId = actionButtonDevice;
+	actionButton_.buttonId = actionButton;
+	xAxis_.deviceId = xAxisDevice;
+	xAxis_.buttonId = xAxis;
+	xTolerance_ = xTolerance;
+	yAxis_.deviceId = yAxisDevice;
+	yAxis_.buttonId = yAxis;
+	yTolerance_ = yTolerance;
+	timeSpan_ = timeSpan;
+}
+
+void
+DoubleClickGesture::InternalUpdate(InputDeltaState* delta)
+{
+	if (actionButton_.buttonId == InvalidDeviceButtonId)
+	{
+		return;
+	}
+
+	const InputDevice* actionDevice = manager_.GetDevice(actionButton_.deviceId);
+	GAINPUT_ASSERT(actionDevice);
+
+	bool positionValid = false;
+	float clickX = 0.0f;
+	float clickY = 0.0f;
+	if (xAxis_.buttonId != InvalidDeviceButtonId && yAxis_.buttonId != InvalidDeviceButtonId)
+	{
+		const InputDevice* xAxisDevice = manager_.GetDevice(xAxis_.deviceId);
+		GAINPUT_ASSERT(xAxisDevice);
+		clickX = xAxisDevice->GetFloat(xAxis_.buttonId);
+		const InputDevice* yAxisDevice = manager_.GetDevice(yAxis_.deviceId);
+		GAINPUT_ASSERT(yAxisDevice);
+		clickY = yAxisDevice->GetFloat(yAxis_.buttonId);
+		positionValid = true;
+	}
+
+	if (actionDevice->GetBoolPrevious(actionButton_.buttonId) 
+			&& !actionDevice->GetBool(actionButton_.buttonId))
+	{
+		if (clicksRegistered_ == 0)
+		{
+			firstClickTime_ = manager_.GetTime();
+			firstClickX_ = clickX;
+			firstClickY_ = clickY;
+		}
+		++clicksRegistered_;
+	}
+
+	if (firstClickTime_ + timeSpan_ < manager_.GetTime())
+	{
+		clicksRegistered_ = 0;
+	}
+
+	if (positionValid && clicksRegistered_ > 1 
+		&& (Abs(clickX - firstClickX_) > xTolerance_ || Abs(clickY - firstClickY_) > yTolerance_))
+	{
+		clicksRegistered_ = 0;
+	}
+
+	if (clicksRegistered_ >= clicksTargetCount_)
+	{
+		clicksRegistered_ = 0;
+		HandleButton(*this, *state_, delta, DoubleClickTriggered, true);
+	}
+	else
+	{
+		HandleButton(*this, *state_, delta, DoubleClickTriggered, false);
+	}
+}
+
+}
+
+#endif
+