3 files changed, 136 insertions, 16 deletions

diff --git a/src/input_common/mouse/mouse_input.cpp b/src/input_common/mouse/mouse_input.cpp
index 10786a541..329e416c7 100644
--- a/src/input_common/mouse/mouse_input.cpp
+++ b/src/input_common/mouse/mouse_input.cpp
@@ -2,6 +2,7 @@
 // Licensed under GPLv2+
 // Refer to the license.txt file included.
 
+#include "core/settings.h"
 #include "input_common/mouse/mouse_input.h"
 
 namespace MouseInput {
@@ -32,10 +33,18 @@ void Mouse::UpdateThread() {
             info.motion.UpdateOrientation(update_time * 1000);
             info.tilt_speed = 0;
             info.data.motion = info.motion.GetMotion();
+            if (Settings::values.mouse_panning) {
+                info.last_mouse_change *= 0.96f;
+                info.data.axis = {static_cast<int>(16 * info.last_mouse_change.x),
+                                  static_cast<int>(16 * -info.last_mouse_change.y)};
+            }
         }
         if (configuring) {
             UpdateYuzuSettings();
         }
+        if (mouse_panning_timout++ > 20) {
+            StopPanning();
+        }
         std::this_thread::sleep_for(std::chrono::milliseconds(update_time));
     }
 }
@@ -50,7 +59,7 @@ void Mouse::UpdateYuzuSettings() {
     });
 }
 
-void Mouse::PressButton(int x, int y, int button_) {
+void Mouse::PressButton(int x, int y, MouseButton button_) {
     const auto button_index = static_cast<std::size_t>(button_);
     if (button_index >= mouse_info.size()) {
         return;
@@ -58,15 +67,52 @@ void Mouse::PressButton(int x, int y, int button_) {
 
     const auto button = 1U << button_index;
     buttons |= static_cast<u16>(button);
-    last_button = static_cast<MouseButton>(button_index);
+    last_button = button_;
 
     mouse_info[button_index].mouse_origin = Common::MakeVec(x, y);
     mouse_info[button_index].last_mouse_position = Common::MakeVec(x, y);
     mouse_info[button_index].data.pressed = true;
 }
 
-void Mouse::MouseMove(int x, int y) {
+void Mouse::StopPanning() {
     for (MouseInfo& info : mouse_info) {
+        if (Settings::values.mouse_panning) {
+            info.data.axis = {};
+            info.tilt_speed = 0;
+            info.last_mouse_change = {};
+        }
+    }
+}
+
+void Mouse::MouseMove(int x, int y, int center_x, int center_y) {
+    for (MouseInfo& info : mouse_info) {
+        if (Settings::values.mouse_panning) {
+            auto mouse_change =
+                (Common::MakeVec(x, y) - Common::MakeVec(center_x, center_y)).Cast<float>();
+            mouse_panning_timout = 0;
+
+            if (mouse_change.y == 0 && mouse_change.x == 0) {
+                continue;
+            }
+            const auto mouse_change_length = mouse_change.Length();
+            if (mouse_change_length < 3.0f) {
+                mouse_change /= mouse_change_length / 3.0f;
+            }
+
+            info.last_mouse_change = (info.last_mouse_change * 0.91f) + (mouse_change * 0.09f);
+
+            const auto last_mouse_change_length = info.last_mouse_change.Length();
+            if (last_mouse_change_length > 8.0f) {
+                info.last_mouse_change /= last_mouse_change_length / 8.0f;
+            } else if (last_mouse_change_length < 1.0f) {
+                info.last_mouse_change = mouse_change / mouse_change.Length();
+            }
+
+            info.tilt_direction = info.last_mouse_change;
+            info.tilt_speed = info.tilt_direction.Normalize() * info.sensitivity;
+            continue;
+        }
+
         if (info.data.pressed) {
             const auto mouse_move = Common::MakeVec(x, y) - info.mouse_origin;
             const auto mouse_change = Common::MakeVec(x, y) - info.last_mouse_position;
@@ -83,7 +129,7 @@ void Mouse::MouseMove(int x, int y) {
     }
 }
 
-void Mouse::ReleaseButton(int button_) {
+void Mouse::ReleaseButton(MouseButton button_) {
     const auto button_index = static_cast<std::size_t>(button_);
     if (button_index >= mouse_info.size()) {
         return;
@@ -106,11 +152,52 @@ void Mouse::BeginConfiguration() {
 
 void Mouse::EndConfiguration() {
     buttons = 0;
+    for (MouseInfo& info : mouse_info) {
+        info.tilt_speed = 0;
+        info.data.pressed = false;
+        info.data.axis = {0, 0};
+    }
     last_button = MouseButton::Undefined;
     mouse_queue.Clear();
     configuring = false;
 }
 
+bool Mouse::ToggleButton(std::size_t button_) {
+    if (button_ >= mouse_info.size()) {
+        return false;
+    }
+    const auto button = 1U << button_;
+    const bool button_state = (toggle_buttons & button) != 0;
+    const bool button_lock = (lock_buttons & button) != 0;
+
+    if (button_lock) {
+        return button_state;
+    }
+
+    lock_buttons |= static_cast<u16>(button);
+
+    if (button_state) {
+        toggle_buttons &= static_cast<u16>(0xFF - button);
+    } else {
+        toggle_buttons |= static_cast<u16>(button);
+    }
+
+    return !button_state;
+}
+
+bool Mouse::UnlockButton(std::size_t button_) {
+    if (button_ >= mouse_info.size()) {
+        return false;
+    }
+
+    const auto button = 1U << button_;
+    const bool button_state = (toggle_buttons & button) != 0;
+
+    lock_buttons &= static_cast<u16>(0xFF - button);
+
+    return button_state;
+}
+
 Common::SPSCQueue<MouseStatus>& Mouse::GetMouseQueue() {
     return mouse_queue;
 }
diff --git a/src/input_common/mouse/mouse_input.h b/src/input_common/mouse/mouse_input.h
index 58803c1bf..750d9b011 100644
--- a/src/input_common/mouse/mouse_input.h
+++ b/src/input_common/mouse/mouse_input.h
@@ -18,10 +18,12 @@ namespace MouseInput {
 
 enum class MouseButton {
     Left,
-    Wheel,
     Right,
-    Forward,
+    Wheel,
     Backward,
+    Forward,
+    Task,
+    Extra,
     Undefined,
 };
 
@@ -51,19 +53,24 @@ public:
      * @param y the y-coordinate of the cursor
      * @param button_ the button pressed
      */
-    void PressButton(int x, int y, int button_);
+    void PressButton(int x, int y, MouseButton button_);
 
     /**
      * Signals that mouse has moved.
      * @param x the x-coordinate of the cursor
      * @param y the y-coordinate of the cursor
+     * @param center_x the x-coordinate of the middle of the screen
+     * @param center_y the y-coordinate of the middle of the screen
      */
-    void MouseMove(int x, int y);
+    void MouseMove(int x, int y, int center_x, int center_y);
 
     /**
      * Signals that a motion sensor tilt has ended.
      */
-    void ReleaseButton(int button_);
+    void ReleaseButton(MouseButton button_);
+
+    [[nodiscard]] bool ToggleButton(std::size_t button_);
+    [[nodiscard]] bool UnlockButton(std::size_t button_);
 
     [[nodiscard]] Common::SPSCQueue<MouseStatus>& GetMouseQueue();
     [[nodiscard]] const Common::SPSCQueue<MouseStatus>& GetMouseQueue() const;
@@ -74,11 +81,13 @@ public:
 private:
     void UpdateThread();
     void UpdateYuzuSettings();
+    void StopPanning();
 
     struct MouseInfo {
         InputCommon::MotionInput motion{0.0f, 0.0f, 0.0f};
         Common::Vec2<int> mouse_origin;
         Common::Vec2<int> last_mouse_position;
+        Common::Vec2<float> last_mouse_change;
         bool is_tilting = false;
         float sensitivity{0.120f};
 
@@ -88,11 +97,14 @@ private:
     };
 
     u16 buttons{};
+    u16 toggle_buttons{};
+    u16 lock_buttons{};
     std::thread update_thread;
     MouseButton last_button{MouseButton::Undefined};
-    std::array<MouseInfo, 5> mouse_info;
+    std::array<MouseInfo, 7> mouse_info;
     Common::SPSCQueue<MouseStatus> mouse_queue;
     bool configuring{false};
     bool update_thread_running{true};
+    int mouse_panning_timout{};
 };
 } // namespace MouseInput
diff --git a/src/input_common/mouse/mouse_poller.cpp b/src/input_common/mouse/mouse_poller.cpp
index 508eb0c7d..0e1db54fb 100644
--- a/src/input_common/mouse/mouse_poller.cpp
+++ b/src/input_common/mouse/mouse_poller.cpp
@@ -6,6 +6,7 @@
 #include <utility>
 
 #include "common/threadsafe_queue.h"
+#include "core/settings.h"
 #include "input_common/mouse/mouse_input.h"
 #include "input_common/mouse/mouse_poller.h"
 
@@ -13,16 +14,25 @@ namespace InputCommon {
 
 class MouseButton final : public Input::ButtonDevice {
 public:
-    explicit MouseButton(u32 button_, const MouseInput::Mouse* mouse_input_)
-        : button(button_), mouse_input(mouse_input_) {}
+    explicit MouseButton(u32 button_, bool toggle_, MouseInput::Mouse* mouse_input_)
+        : button(button_), toggle(toggle_), mouse_input(mouse_input_) {}
 
     bool GetStatus() const override {
-        return mouse_input->GetMouseState(button).pressed;
+        const bool button_state = mouse_input->GetMouseState(button).pressed;
+        if (!toggle) {
+            return button_state;
+        }
+
+        if (button_state) {
+            return mouse_input->ToggleButton(button);
+        }
+        return mouse_input->UnlockButton(button);
     }
 
 private:
     const u32 button;
-    const MouseInput::Mouse* mouse_input;
+    const bool toggle;
+    MouseInput::Mouse* mouse_input;
 };
 
 MouseButtonFactory::MouseButtonFactory(std::shared_ptr<MouseInput::Mouse> mouse_input_)
@@ -31,8 +41,9 @@ MouseButtonFactory::MouseButtonFactory(std::shared_ptr<MouseInput::Mouse> mouse_
 std::unique_ptr<Input::ButtonDevice> MouseButtonFactory::Create(
     const Common::ParamPackage& params) {
     const auto button_id = params.Get("button", 0);
+    const auto toggle = params.Get("toggle", false);
 
-    return std::make_unique<MouseButton>(button_id, mouse_input.get());
+    return std::make_unique<MouseButton>(button_id, toggle, mouse_input.get());
 }
 
 Common::ParamPackage MouseButtonFactory::GetNextInput() const {
@@ -71,7 +82,7 @@ public:
         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);
+        return axis_value * Settings::values.mouse_panning_sensitivity / (100.0f * range);
     }
 
     std::pair<float, float> GetAnalog(u32 analog_axis_x, u32 analog_axis_y) const {
@@ -106,6 +117,16 @@ public:
         return {0.0f, 0.0f};
     }
 
+    std::tuple<float, float> GetRawStatus() const override {
+        const float x = GetAxis(axis_x);
+        const float y = GetAxis(axis_y);
+        return {x, y};
+    }
+
+    Input::AnalogProperties GetAnalogProperties() const override {
+        return {deadzone, range, 0.5f};
+    }
+
 private:
     const u32 button;
     const u32 axis_x;