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-rw-r--r--src/input_common/mouse/mouse_poller.cpp261
1 files changed, 261 insertions, 0 deletions
diff --git a/src/input_common/mouse/mouse_poller.cpp b/src/input_common/mouse/mouse_poller.cpp
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+++ b/src/input_common/mouse/mouse_poller.cpp
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+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <atomic>
+#include <list>
+#include <mutex>
+#include <utility>
+#include "common/assert.h"
+#include "common/threadsafe_queue.h"
+#include "input_common/mouse/mouse_input.h"
+#include "input_common/mouse/mouse_poller.h"
+
+namespace InputCommon {
+
+class MouseButton final : public Input::ButtonDevice {
+public:
+ explicit MouseButton(u32 button_, const MouseInput::Mouse* mouse_input_)
+ : button(button_), mouse_input(mouse_input_) {}
+
+ bool GetStatus() const override {
+ return mouse_input->GetMouseState(button).pressed;
+ }
+
+private:
+ const u32 button;
+ const MouseInput::Mouse* mouse_input;
+};
+
+MouseButtonFactory::MouseButtonFactory(std::shared_ptr<MouseInput::Mouse> mouse_input_)
+ : mouse_input(std::move(mouse_input_)) {}
+
+std::unique_ptr<Input::ButtonDevice> MouseButtonFactory::Create(
+ const Common::ParamPackage& params) {
+ const auto button_id = params.Get("button", 0);
+
+ return std::make_unique<MouseButton>(button_id, mouse_input.get());
+}
+
+Common::ParamPackage MouseButtonFactory::GetNextInput() const {
+ MouseInput::MouseStatus pad;
+ Common::ParamPackage params;
+ auto& queue = mouse_input->GetMouseQueue();
+ while (queue.Pop(pad)) {
+ // This while loop will break on the earliest detected button
+ if (pad.button != MouseInput::MouseButton::Undefined) {
+ params.Set("engine", "mouse");
+ params.Set("button", static_cast<u16>(pad.button));
+ return params;
+ }
+ }
+ return params;
+}
+
+void MouseButtonFactory::BeginConfiguration() {
+ polling = true;
+ mouse_input->BeginConfiguration();
+}
+
+void MouseButtonFactory::EndConfiguration() {
+ polling = false;
+ mouse_input->EndConfiguration();
+}
+
+class MouseAnalog final : public Input::AnalogDevice {
+public:
+ explicit MouseAnalog(u32 port_, u32 axis_x_, u32 axis_y_, float deadzone_, float range_,
+ const MouseInput::Mouse* mouse_input_)
+ : button(port_), axis_x(axis_x_), axis_y(axis_y_), deadzone(deadzone_), range(range_),
+ mouse_input(mouse_input_) {}
+
+ float GetAxis(u32 axis) const {
+ std::lock_guard lock{mutex};
+ const auto axis_value =
+ static_cast<float>(mouse_input->GetMouseState(button).axis.at(axis));
+ return axis_value / (100.0f * range);
+ }
+
+ std::pair<float, float> GetAnalog(u32 analog_axis_x, u32 analog_axis_y) const {
+ float x = GetAxis(analog_axis_x);
+ float y = GetAxis(analog_axis_y);
+
+ // Make sure the coordinates are in the unit circle,
+ // otherwise normalize it.
+ float r = x * x + y * y;
+ if (r > 1.0f) {
+ r = std::sqrt(r);
+ x /= r;
+ y /= r;
+ }
+
+ return {x, y};
+ }
+
+ std::tuple<float, float> GetStatus() const override {
+ const auto [x, y] = GetAnalog(axis_x, axis_y);
+ const float r = std::sqrt((x * x) + (y * y));
+ if (r > deadzone) {
+ return {x / r * (r - deadzone) / (1 - deadzone),
+ y / r * (r - deadzone) / (1 - deadzone)};
+ }
+ return {0.0f, 0.0f};
+ }
+
+private:
+ const u32 button;
+ const u32 axis_x;
+ const u32 axis_y;
+ const float deadzone;
+ const float range;
+ const MouseInput::Mouse* mouse_input;
+ mutable std::mutex mutex;
+};
+
+/// An analog device factory that creates analog devices from GC Adapter
+MouseAnalogFactory::MouseAnalogFactory(std::shared_ptr<MouseInput::Mouse> mouse_input_)
+ : mouse_input(std::move(mouse_input_)) {}
+
+/**
+ * Creates analog device from joystick axes
+ * @param params contains parameters for creating the device:
+ * - "port": the nth gcpad on the adapter
+ * - "axis_x": the index of the axis to be bind as x-axis
+ * - "axis_y": the index of the axis to be bind as y-axis
+ */
+std::unique_ptr<Input::AnalogDevice> MouseAnalogFactory::Create(
+ const Common::ParamPackage& params) {
+ const auto port = static_cast<u32>(params.Get("port", 0));
+ const auto axis_x = static_cast<u32>(params.Get("axis_x", 0));
+ const auto axis_y = static_cast<u32>(params.Get("axis_y", 1));
+ const auto deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, 1.0f);
+ const auto range = std::clamp(params.Get("range", 1.0f), 0.50f, 1.50f);
+
+ return std::make_unique<MouseAnalog>(port, axis_x, axis_y, deadzone, range, mouse_input.get());
+}
+
+void MouseAnalogFactory::BeginConfiguration() {
+ polling = true;
+ mouse_input->BeginConfiguration();
+}
+
+void MouseAnalogFactory::EndConfiguration() {
+ polling = false;
+ mouse_input->EndConfiguration();
+}
+
+Common::ParamPackage MouseAnalogFactory::GetNextInput() const {
+ MouseInput::MouseStatus pad;
+ Common::ParamPackage params;
+ auto& queue = mouse_input->GetMouseQueue();
+ while (queue.Pop(pad)) {
+ // This while loop will break on the earliest detected button
+ if (pad.button != MouseInput::MouseButton::Undefined) {
+ params.Set("engine", "mouse");
+ params.Set("port", static_cast<u16>(pad.button));
+ params.Set("axis_x", 0);
+ params.Set("axis_y", 1);
+ return params;
+ }
+ }
+ return params;
+}
+
+class MouseMotion final : public Input::MotionDevice {
+public:
+ explicit MouseMotion(u32 button_, const MouseInput::Mouse* mouse_input_)
+ : button(button_), mouse_input(mouse_input_) {}
+
+ Input::MotionStatus GetStatus() const override {
+ return mouse_input->GetMouseState(button).motion;
+ }
+
+private:
+ const u32 button;
+ const MouseInput::Mouse* mouse_input;
+};
+
+MouseMotionFactory::MouseMotionFactory(std::shared_ptr<MouseInput::Mouse> mouse_input_)
+ : mouse_input(std::move(mouse_input_)) {}
+
+std::unique_ptr<Input::MotionDevice> MouseMotionFactory::Create(
+ const Common::ParamPackage& params) {
+ const auto button_id = params.Get("button", 0);
+
+ return std::make_unique<MouseMotion>(button_id, mouse_input.get());
+}
+
+Common::ParamPackage MouseMotionFactory::GetNextInput() const {
+ MouseInput::MouseStatus pad;
+ Common::ParamPackage params;
+ auto& queue = mouse_input->GetMouseQueue();
+ while (queue.Pop(pad)) {
+ // This while loop will break on the earliest detected button
+ if (pad.button != MouseInput::MouseButton::Undefined) {
+ params.Set("engine", "mouse");
+ params.Set("button", static_cast<u16>(pad.button));
+ return params;
+ }
+ }
+ return params;
+}
+
+void MouseMotionFactory::BeginConfiguration() {
+ polling = true;
+ mouse_input->BeginConfiguration();
+}
+
+void MouseMotionFactory::EndConfiguration() {
+ polling = false;
+ mouse_input->EndConfiguration();
+}
+
+class MouseTouch final : public Input::TouchDevice {
+public:
+ explicit MouseTouch(u32 button_, const MouseInput::Mouse* mouse_input_)
+ : button(button_), mouse_input(mouse_input_) {}
+
+ Input::TouchStatus GetStatus() const override {
+ return mouse_input->GetMouseState(button).touch;
+ }
+
+private:
+ const u32 button;
+ const MouseInput::Mouse* mouse_input;
+};
+
+MouseTouchFactory::MouseTouchFactory(std::shared_ptr<MouseInput::Mouse> mouse_input_)
+ : mouse_input(std::move(mouse_input_)) {}
+
+std::unique_ptr<Input::TouchDevice> MouseTouchFactory::Create(const Common::ParamPackage& params) {
+ const auto button_id = params.Get("button", 0);
+
+ return std::make_unique<MouseTouch>(button_id, mouse_input.get());
+}
+
+Common::ParamPackage MouseTouchFactory::GetNextInput() const {
+ MouseInput::MouseStatus pad;
+ Common::ParamPackage params;
+ auto& queue = mouse_input->GetMouseQueue();
+ while (queue.Pop(pad)) {
+ // This while loop will break on the earliest detected button
+ if (pad.button != MouseInput::MouseButton::Undefined) {
+ params.Set("engine", "mouse");
+ params.Set("button", static_cast<u16>(pad.button));
+ return params;
+ }
+ }
+ return params;
+}
+
+void MouseTouchFactory::BeginConfiguration() {
+ polling = true;
+ mouse_input->BeginConfiguration();
+}
+
+void MouseTouchFactory::EndConfiguration() {
+ polling = false;
+ mouse_input->EndConfiguration();
+}
+
+} // namespace InputCommon