Fix travis build. Fix more code style issues

src/citra/emu_window/emu_window_sdl2.cpp

@@ -42,7 +42,7 @@ void EmuWindow_SDL2::OnMouseButton(u32 button, u8 state, s32 x, s32 y) {
 }
 
 void EmuWindow_SDL2::OnKeyEvent(SDL_Keysym key, u8 state) {
-    auto& keyboard = InputCore::GetKeyboard();
+    auto keyboard = InputCore::GetKeyboard();
     KeyboardKey param = KeyboardKey(key.sym, key.scancode, SDL_GetKeyName(key.scancode));
 
     if (state == SDL_PRESSED) {

src/citra_qt/bootmanager.cpp

@@ -237,14 +237,14 @@ void GRenderWindow::closeEvent(QCloseEvent* event) {
 
 void GRenderWindow::keyPressEvent(QKeyEvent* event)
 {
-    auto& keyboard = InputCore::GetKeyboard();
+    auto keyboard = InputCore::GetKeyboard();
     KeyboardKey param = KeyboardKey(event->key(), event->nativeScanCode(), QKeySequence(event->key()).toString().toStdString());
     keyboard->KeyPressed(param);
 }
 
 void GRenderWindow::keyReleaseEvent(QKeyEvent* event)
 {
-    auto& keyboard = InputCore::GetKeyboard();
+    auto keyboard = InputCore::GetKeyboard();
     KeyboardKey param = KeyboardKey(event->key(), event->nativeScanCode(), QKeySequence(event->key()).toString().toStdString());
     keyboard->KeyReleased(param);
 }

src/input_core/devices/IDevice.h

@@ -18,5 +18,4 @@ public:
     virtual bool CloseDevice() = 0;
 protected:
     std::map<std::string, std::vector<KeyMap::KeyTarget>> keyMapping; ///< Maps the string in the settings file to the HID Padstate object
-
 };

src/input_core/devices/Keyboard.cpp

@@ -23,17 +23,17 @@ void Keyboard::ProcessInput() {
         std::lock_guard<std::mutex> lock(m);
         keysPressedCopy = keysPressed;
     }
-    for (const auto &ent1 : keyMapping) {
+    for (const auto& entry : keyMapping) {
-        int scancode = std::stoul(ent1.first, nullptr, 16);
+        int scancode = std::stoul(entry.first, nullptr, 16);
         KeyboardKey proxy = KeyboardKey(0, scancode, "");
         if (keysPressedCopy[proxy] == true && keysPressedLast[scancode] == false) {
-            for (const auto& key : ent1.second) {
+            for (const auto& key : entry.second) {
                 KeyMap::PressKey(key, 1.0);
             }
             keysPressedLast[scancode] = true;
         }
         else if (keysPressedCopy[proxy] == false && keysPressedLast[scancode] == true) {
-            for (const auto& key : ent1.second) {
+            for (const auto& key : entry.second) {
                 KeyMap::ReleaseKey(key);
             }
             keysPressedLast[scancode] = false;

src/input_core/devices/Keyboard.h

@@ -32,7 +32,9 @@ struct KeyboardKey {
     uint32_t scancode;
     std::string character;
 
-    KeyboardKey(uint32_t key_, uint32_t scancode_, std::string character_) : key(key_), scancode(scancode_), character(std::move(character_)) {
+    KeyboardKey(uint32_t key_, uint32_t scancode_, std::string character_)
+        : key(key_), scancode(scancode_), character(std::move(character_))
+    {
     }
     bool operator==(const KeyboardKey& other) const {
         return scancode == other.scancode;

src/input_core/devices/SDLGamepad.cpp

@@ -47,29 +47,29 @@ void SDLGamepad::ProcessInput() {
     if (gamepad == nullptr)
         return;
     SDL_GameControllerUpdate();
-    for (const auto &ent1 : keyMapping) {
+    for (const auto& entry : keyMapping) {
-        SDL_GameControllerButton button = SDL_GameControllerGetButtonFromString(friendlyNameMapping[ent1.first].c_str());
+        SDL_GameControllerButton button = SDL_GameControllerGetButtonFromString(friendlyNameMapping[entry.first].c_str());
         if (button != SDL_GameControllerButton::SDL_CONTROLLER_BUTTON_INVALID) {
             Uint8 pressed = SDL_GameControllerGetButton(gamepad, button);
-            if (pressed == 1 && keysPressed[ent1.first] == false) {
+            if (pressed == 1 && keysPressed[entry.first] == false) {
-                for (const auto& padstate : ent1.second) {
+                for (const auto& padstate : entry.second) {
                     KeyMap::PressKey(padstate, 1.0);
-                    keysPressed[ent1.first] = true;
+                    keysPressed[entry.first] = true;
                 }
             }
-            else if (pressed == 0 && keysPressed[ent1.first] == true) {
+            else if (pressed == 0 && keysPressed[entry.first] == true) {
-                for (const auto& padstate : ent1.second) {
+                for (const auto& padstate : entry.second) {
                     KeyMap::ReleaseKey(padstate);
-                    keysPressed[ent1.first] = false;
+                    keysPressed[entry.first] = false;
                 }
             }
         }
         else {
             // Try axis if button isn't valid
-            SDL_GameControllerAxis axis = SDL_GameControllerGetAxisFromString(friendlyNameMapping[ent1.first].c_str());
+            SDL_GameControllerAxis axis = SDL_GameControllerGetAxisFromString(friendlyNameMapping[entry.first].c_str());
             if (axis != SDL_GameControllerAxis::SDL_CONTROLLER_AXIS_INVALID) {
                 Sint16 value = SDL_GameControllerGetAxis(gamepad, axis);
-                for (const auto& padstate : ent1.second) {
+                for (const auto& padstate : entry.second) {
                     // dont process if in deadzone. Replace later with settings for deadzone.
                     if (abs(value) < 0.2 * 32767.0)
                         KeyMap::ReleaseKey(padstate);

src/input_core/devices/SDLGamepad.h

@@ -17,7 +17,8 @@ public:
     void ProcessInput() override;
     bool CloseDevice() override;
 private:
-    std::map<std::string, std::string> friendlyNameMapping = { /// Maps the friendly name shown on GUI with the string name for getting the SDL button instance.
+    /// Maps the friendly name shown on GUI with the string name for getting the SDL button instance.
+    std::map<std::string, std::string> friendlyNameMapping = {
         { "Button A","a" },
         { "Button B","b" },
         { "Button X","x" },

src/input_core/input_core.cpp

@@ -14,10 +14,10 @@
 namespace InputCore {
 constexpr u64 frame_ticks = 268123480ull / 60;
 static int tick_event;
-Service::HID::PadState pad_state;
+static Service::HID::PadState pad_state;
-std::tuple<s16, s16> circle_pad = { 0,0 };
+static std::tuple<s16, s16> circle_pad = { 0,0 };
-std::shared_ptr<Keyboard> main_keyboard;
+static std::shared_ptr<Keyboard> main_keyboard;
-std::vector<std::shared_ptr<IDevice>> devices; ///< Devices that are handling input for the game
+static std::vector<std::shared_ptr<IDevice>> devices; ///< Devices that are handling input for the game
 
 static void InputTickCallback(u64, int cycles_late) {
     for (auto& device : devices)
@@ -43,7 +43,7 @@ Service::HID::PadState GetPadState() {
     return pad_state;
 }
 
-void SetPadState(Service::HID::PadState& state) {
+void SetPadState(const Service::HID::PadState& state) {
     pad_state.hex = state.hex;
 }
 
@@ -51,7 +51,7 @@ std::tuple<s16, s16> GetCirclePad() {
     return circle_pad;
 }
 
-void SetCirclePad(std::tuple<s16, s16>& pad) {
+void SetCirclePad(std::tuple<s16, s16> pad) {
     circle_pad = pad;
 }
 
@@ -60,10 +60,10 @@ std::shared_ptr<Keyboard> GetKeyboard() {
 }
 
 /// Get Unique input mappings from settings
-std::vector<Settings::InputDeviceMapping> GatherUniqueMappings() {
+static std::vector<Settings::InputDeviceMapping> GatherUniqueMappings() {
     std::vector<Settings::InputDeviceMapping> uniqueMappings;
 
-    for (auto& mapping : Settings::values.input_mappings) {
+    for (const auto& mapping : Settings::values.input_mappings) {
         if (!CheckIfMappingExists(uniqueMappings, mapping)) {
             uniqueMappings.push_back(mapping);
         }
@@ -71,9 +71,9 @@ std::vector<Settings::InputDeviceMapping> GatherUniqueMappings() {
     return uniqueMappings;
 }
 
-std::map<std::string, std::vector<KeyMap::KeyTarget>> BuildKeyMapping(Settings::InputDeviceMapping mapping) {
+static std::map<std::string, std::vector<KeyMap::KeyTarget>> BuildKeyMapping(Settings::InputDeviceMapping mapping) {
     std::map<std::string, std::vector<KeyMap::KeyTarget>> keyMapping;
-    for (int i = 0; i < Settings::values.input_mappings.size(); i++) {
+    for (size_t i = 0; i < Settings::values.input_mappings.size(); i++) {
         KeyMap::KeyTarget val = KeyMap::mapping_targets[i];
         std::string key = Settings::values.input_mappings[i].key;
         if (Settings::values.input_mappings[i] == mapping) {
@@ -84,9 +84,9 @@ std::map<std::string, std::vector<KeyMap::KeyTarget>> BuildKeyMapping(Settings::
 }
 
 /// Generate a device for each unique mapping
-void GenerateUniqueDevices(std::vector<Settings::InputDeviceMapping> uniqueMappings) {
+static void GenerateUniqueDevices(const std::vector<Settings::InputDeviceMapping>& uniqueMappings) {
     std::shared_ptr<IDevice> input;
-    for (auto& mapping : uniqueMappings) {
+    for (const auto& mapping : uniqueMappings) {
         switch (mapping.framework) {
         case Settings::DeviceFramework::Qt:
         {
@@ -116,8 +116,6 @@ void GenerateUniqueDevices(std::vector<Settings::InputDeviceMapping> uniqueMappi
     }
 }
 void ParseSettings() {
-    std::vector<std::shared_ptr<IDevice>> devices;
-
     auto uniqueMappings = GatherUniqueMappings();
     GenerateUniqueDevices(uniqueMappings);
 

src/input_core/input_core.h

@@ -17,9 +17,9 @@ namespace InputCore {
 void Init();
 void Shutdown();
 Service::HID::PadState GetPadState();
-    void SetPadState(Service::HID::PadState& state);
+void SetPadState(const Service::HID::PadState& state);
 std::tuple<s16, s16> GetCirclePad();
-    void SetCirclePad(std::tuple<s16, s16>& circle );
+void SetCirclePad(std::tuple<s16, s16> circle);
 std::shared_ptr<Keyboard> GetKeyboard();
 /// Read settings to initialize devices
 void ParseSettings();