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Diffstat (limited to 'src/input_common/keyboard.cpp')
-rw-r--r-- | src/input_common/keyboard.cpp | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/src/input_common/keyboard.cpp b/src/input_common/keyboard.cpp deleted file mode 100644 index 8261e76fd..000000000 --- a/src/input_common/keyboard.cpp +++ /dev/null @@ -1,121 +0,0 @@ -// Copyright 2017 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include <atomic> -#include <list> -#include <mutex> -#include <utility> -#include "input_common/keyboard.h" - -namespace InputCommon { - -class KeyButton final : public Input::ButtonDevice { -public: - explicit KeyButton(std::shared_ptr<KeyButtonList> key_button_list_, bool toggle_) - : key_button_list(std::move(key_button_list_)), toggle(toggle_) {} - - ~KeyButton() override; - - bool GetStatus() const override { - if (toggle) { - return toggled_status.load(std::memory_order_relaxed); - } - return status.load(); - } - - void ToggleButton() { - if (lock) { - return; - } - lock = true; - const bool old_toggle_status = toggled_status.load(); - toggled_status.store(!old_toggle_status); - } - - void UnlockButton() { - lock = false; - } - - friend class KeyButtonList; - -private: - std::shared_ptr<KeyButtonList> key_button_list; - std::atomic<bool> status{false}; - std::atomic<bool> toggled_status{false}; - bool lock{false}; - const bool toggle; -}; - -struct KeyButtonPair { - int key_code; - KeyButton* key_button; -}; - -class KeyButtonList { -public: - void AddKeyButton(int key_code, KeyButton* key_button) { - std::lock_guard guard{mutex}; - list.push_back(KeyButtonPair{key_code, key_button}); - } - - void RemoveKeyButton(const KeyButton* key_button) { - std::lock_guard guard{mutex}; - list.remove_if( - [key_button](const KeyButtonPair& pair) { return pair.key_button == key_button; }); - } - - void ChangeKeyStatus(int key_code, bool pressed) { - std::lock_guard guard{mutex}; - for (const KeyButtonPair& pair : list) { - if (pair.key_code == key_code) { - pair.key_button->status.store(pressed); - if (pressed) { - pair.key_button->ToggleButton(); - } else { - pair.key_button->UnlockButton(); - } - pair.key_button->TriggerOnChange(); - } - } - } - - void ChangeAllKeyStatus(bool pressed) { - std::lock_guard guard{mutex}; - for (const KeyButtonPair& pair : list) { - pair.key_button->status.store(pressed); - } - } - -private: - std::mutex mutex; - std::list<KeyButtonPair> list; -}; - -Keyboard::Keyboard() : key_button_list{std::make_shared<KeyButtonList>()} {} - -KeyButton::~KeyButton() { - key_button_list->RemoveKeyButton(this); -} - -std::unique_ptr<Input::ButtonDevice> Keyboard::Create(const Common::ParamPackage& params) { - const int key_code = params.Get("code", 0); - const bool toggle = params.Get("toggle", false); - std::unique_ptr<KeyButton> button = std::make_unique<KeyButton>(key_button_list, toggle); - key_button_list->AddKeyButton(key_code, button.get()); - return button; -} - -void Keyboard::PressKey(int key_code) { - key_button_list->ChangeKeyStatus(key_code, true); -} - -void Keyboard::ReleaseKey(int key_code) { - key_button_list->ChangeKeyStatus(key_code, false); -} - -void Keyboard::ReleaseAllKeys() { - key_button_list->ChangeAllKeyStatus(false); -} - -} // namespace InputCommon |