Merge pull request #2497 from wwylele/input-2

Refactor input emulation & add SDL gamepad support

1 files changed, 63 insertions, 0 deletions

diff --git a/src/input_common/main.cpp b/src/input_common/main.cpp
new file mode 100644
index 000000000..699f41e6b
--- /dev/null
+++ b/src/input_common/main.cpp
@@ -0,0 +1,63 @@
+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <memory>
+#include "common/param_package.h"
+#include "input_common/analog_from_button.h"
+#include "input_common/keyboard.h"
+#include "input_common/main.h"
+#ifdef HAVE_SDL2
+#include "input_common/sdl/sdl.h"
+#endif
+
+namespace InputCommon {
+
+static std::shared_ptr<Keyboard> keyboard;
+
+void Init() {
+    keyboard = std::make_shared<InputCommon::Keyboard>();
+    Input::RegisterFactory<Input::ButtonDevice>("keyboard", keyboard);
+    Input::RegisterFactory<Input::AnalogDevice>("analog_from_button",
+                                                std::make_shared<InputCommon::AnalogFromButton>());
+#ifdef HAVE_SDL2
+    SDL::Init();
+#endif
+}
+
+void Shutdown() {
+    Input::UnregisterFactory<Input::ButtonDevice>("keyboard");
+    keyboard.reset();
+    Input::UnregisterFactory<Input::AnalogDevice>("analog_from_button");
+
+#ifdef HAVE_SDL2
+    SDL::Shutdown();
+#endif
+}
+
+Keyboard* GetKeyboard() {
+    return keyboard.get();
+}
+
+std::string GenerateKeyboardParam(int key_code) {
+    Common::ParamPackage param{
+        {"engine", "keyboard"}, {"code", std::to_string(key_code)},
+    };
+    return param.Serialize();
+}
+
+std::string GenerateAnalogParamFromKeys(int key_up, int key_down, int key_left, int key_right,
+                                        int key_modifier, float modifier_scale) {
+    Common::ParamPackage circle_pad_param{
+        {"engine", "analog_from_button"},
+        {"up", GenerateKeyboardParam(key_up)},
+        {"down", GenerateKeyboardParam(key_down)},
+        {"left", GenerateKeyboardParam(key_left)},
+        {"right", GenerateKeyboardParam(key_right)},
+        {"modifier", GenerateKeyboardParam(key_modifier)},
+        {"modifier_scale", std::to_string(modifier_scale)},
+    };
+    return circle_pad_param.Serialize();
+}
+
+} // namespace InputCommon