72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
// Copyright 2020 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <algorithm>
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#include "common/settings.h"
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#include "core/frontend/framebuffer_layout.h"
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#include "input_common/helpers/touch_from_buttons.h"
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namespace InputCommon {
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class TouchFromButtonDevice final : public Common::Input::InputDevice {
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public:
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using Button = std::unique_ptr<Common::Input::InputDevice>;
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TouchFromButtonDevice(Button button_, u32 touch_id_, float x_, float y_)
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: button(std::move(button_)), touch_id(touch_id_), x(x_), y(y_) {
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Common::Input::InputCallback button_up_callback{
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[this](Common::Input::CallbackStatus callback_) { UpdateButtonStatus(callback_); }};
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button->SetCallback(button_up_callback);
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button->ForceUpdate();
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}
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Common::Input::TouchStatus GetStatus(bool pressed) const {
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const Common::Input::ButtonStatus button_status{
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.value = pressed,
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};
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Common::Input::TouchStatus status{
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.pressed = button_status,
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.x = {},
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.y = {},
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.id = touch_id,
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};
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status.x.properties = properties;
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status.y.properties = properties;
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if (!pressed) {
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return status;
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}
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status.x.raw_value = x;
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status.y.raw_value = y;
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return status;
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}
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void UpdateButtonStatus(Common::Input::CallbackStatus button_callback) {
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const Common::Input::CallbackStatus status{
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.type = Common::Input::InputType::Touch,
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.touch_status = GetStatus(button_callback.button_status.value),
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};
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TriggerOnChange(status);
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}
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private:
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Button button;
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const u32 touch_id;
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const float x;
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const float y;
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const Common::Input::AnalogProperties properties{0.0f, 1.0f, 0.5f, 0.0f, false};
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};
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std::unique_ptr<Common::Input::InputDevice> TouchFromButton::Create(
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const Common::ParamPackage& params) {
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const std::string null_engine = Common::ParamPackage{{"engine", "null"}}.Serialize();
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auto button = Common::Input::CreateDeviceFromString<Common::Input::InputDevice>(
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params.Get("button", null_engine));
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const auto touch_id = params.Get("touch_id", 0);
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const float x = params.Get("x", 0.0f) / 1280.0f;
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const float y = params.Get("y", 0.0f) / 720.0f;
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return std::make_unique<TouchFromButtonDevice>(std::move(button), touch_id, x, y);
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}
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} // namespace InputCommon
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