Pad: GBA config

Source/Core/Core/HW/GBAPadEmu.cpp

@@ -0,0 +1,107 @@
+// Copyright 2021 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "Core/HW/GBAPadEmu.h"
+
+#include <fmt/format.h>
+
+#include "InputCommon/ControllerEmu/Control/Input.h"
+#include "InputCommon/ControllerEmu/ControlGroup/Buttons.h"
+#include "InputCommon/GCPadStatus.h"
+
+static const u16 dpad_bitmasks[] = {PAD_BUTTON_UP, PAD_BUTTON_DOWN, PAD_BUTTON_LEFT,
+                                    PAD_BUTTON_RIGHT};
+
+static const u16 button_bitmasks[] = {PAD_BUTTON_B,  PAD_BUTTON_A,  PAD_TRIGGER_L,
+                                      PAD_TRIGGER_R, PAD_TRIGGER_Z, PAD_BUTTON_START};
+
+static const char* const named_buttons[] = {"B", "A", "L", "R", _trans("SELECT"), _trans("START")};
+
+GBAPad::GBAPad(const unsigned int index) : m_reset_pending(false), m_index(index)
+{
+  // Buttons
+  groups.emplace_back(m_buttons = new ControllerEmu::Buttons(_trans("Buttons")));
+  for (const char* named_button : named_buttons)
+  {
+    const ControllerEmu::Translatability translate =
+        (named_button == std::string(_trans("SELECT")) ||
+         named_button == std::string(_trans("START"))) ?
+            ControllerEmu::Translate :
+            ControllerEmu::DoNotTranslate;
+    m_buttons->AddInput(translate, named_button);
+  }
+
+  // DPad
+  groups.emplace_back(m_dpad = new ControllerEmu::Buttons(_trans("D-Pad")));
+  for (const char* named_direction : named_directions)
+  {
+    m_dpad->AddInput(ControllerEmu::Translate, named_direction);
+  }
+}
+
+std::string GBAPad::GetName() const
+{
+  return fmt::format("GBA{}", m_index + 1);
+}
+
+ControllerEmu::ControlGroup* GBAPad::GetGroup(GBAPadGroup group) const
+{
+  switch (group)
+  {
+  case GBAPadGroup::Buttons:
+    return m_buttons;
+  case GBAPadGroup::DPad:
+    return m_dpad;
+  default:
+    return nullptr;
+  }
+}
+
+GCPadStatus GBAPad::GetInput()
+{
+  const auto lock = GetStateLock();
+  GCPadStatus pad = {};
+
+  // Buttons
+  m_buttons->GetState(&pad.button, button_bitmasks);
+
+  // DPad
+  m_dpad->GetState(&pad.button, dpad_bitmasks);
+
+  // Use X button as a reset signal
+  if (m_reset_pending)
+    pad.button |= PAD_BUTTON_X;
+  m_reset_pending = false;
+
+  return pad;
+}
+
+void GBAPad::SetReset(bool reset)
+{
+  const auto lock = GetStateLock();
+  m_reset_pending = reset;
+}
+
+void GBAPad::LoadDefaults(const ControllerInterface& ciface)
+{
+  EmulatedController::LoadDefaults(ciface);
+
+  // Buttons
+  m_buttons->SetControlExpression(0, "`Z`");  // B
+  m_buttons->SetControlExpression(1, "`X`");  // A
+  m_buttons->SetControlExpression(2, "`Q`");  // L
+  m_buttons->SetControlExpression(3, "`W`");  // R
+#ifdef _WIN32
+  m_buttons->SetControlExpression(4, "`BACK`");    // Select
+  m_buttons->SetControlExpression(5, "`RETURN`");  // Start
+#else
+  m_buttons->SetControlExpression(4, "`Backspace`");  // Select
+  m_buttons->SetControlExpression(5, "`Return`");     // Start
+#endif
+
+  // D-Pad
+  m_dpad->SetControlExpression(0, "`T`");  // Up
+  m_dpad->SetControlExpression(1, "`G`");  // Down
+  m_dpad->SetControlExpression(2, "`F`");  // Left
+  m_dpad->SetControlExpression(3, "`H`");  // Right
+}