citra/src/input_common/touch_from_button.cpp

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// Copyright 2020 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/settings.h"
#include "core/3ds.h"
#include "input_common/touch_from_button.h"
namespace InputCommon {
class TouchFromButtonDevice final : public Input::TouchDevice {
public:
TouchFromButtonDevice() {
for (const auto& config_entry :
Settings::values
.touch_from_button_maps[Settings::values.current_input_profile
.touch_from_button_map_index]
.buttons) {
const Common::ParamPackage package{config_entry};
map.emplace_back(Input::CreateDevice<Input::ButtonDevice>(config_entry),
std::clamp(package.Get("x", 0), 0, Core::kScreenBottomWidth),
std::clamp(package.Get("y", 0), 0, Core::kScreenBottomHeight));
}
}
std::tuple<float, float, bool> GetStatus() const override {
for (const auto& m : map) {
const bool state = std::get<0>(m)->GetStatus();
if (state) {
const float x = static_cast<float>(std::get<1>(m)) / Core::kScreenBottomWidth;
const float y = static_cast<float>(std::get<2>(m)) / Core::kScreenBottomHeight;
return {x, y, true};
}
}
return {};
}
private:
// A vector of the mapped button, its x and its y-coordinate
std::vector<std::tuple<std::unique_ptr<Input::ButtonDevice>, int, int>> map;
};
std::unique_ptr<Input::TouchDevice> TouchFromButtonFactory::Create(
const Common::ParamPackage& params) {
return std::make_unique<TouchFromButtonDevice>();
}
} // namespace InputCommon