Project Mjölnir: Part 2 - Controller Applet

Co-authored-by: Its-Rei <kupfel@gmail.com>

src/yuzu/applets/controller.h

@@ -0,0 +1,125 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <memory>
+#include <QDialog>
+#include "core/frontend/applets/controller.h"
+
+class GMainWindow;
+class QCheckBox;
+class QComboBox;
+class QDialogButtonBox;
+class QGroupBox;
+class QLabel;
+
+namespace InputCommon {
+class InputSubsystem;
+}
+
+namespace Ui {
+class QtControllerSelectorDialog;
+}
+
+class QtControllerSelectorDialog final : public QDialog {
+    Q_OBJECT
+
+public:
+    explicit QtControllerSelectorDialog(QWidget* parent,
+                                        Core::Frontend::ControllerParameters parameters_,
+                                        InputCommon::InputSubsystem* input_subsystem_);
+    ~QtControllerSelectorDialog() override;
+
+private:
+    // Applies the current configuration.
+    void ApplyConfiguration();
+
+    // Initializes the "Configure Input" Dialog.
+    void CallConfigureInputDialog();
+
+    // Checks the current configuration against the given parameters and
+    // sets the value of parameters_met.
+    void CheckIfParametersMet();
+
+    // Sets the controller icons for "Supported Controller Types".
+    void SetSupportedControllers();
+
+    // Updates the controller icons per player.
+    void UpdateControllerIcon(std::size_t player_index);
+
+    // Updates the controller state (type and connection status) per player.
+    void UpdateControllerState(std::size_t player_index);
+
+    // Updates the LED pattern per player.
+    void UpdateLEDPattern(std::size_t player_index);
+
+    // Updates the border color per player.
+    void UpdateBorderColor(std::size_t player_index);
+
+    // Updates the console mode.
+    void UpdateDockedState(bool is_handheld);
+
+    // Disables and disconnects unsupported players based on the given parameters.
+    void DisableUnsupportedPlayers();
+
+    // Loads the current input configuration into the frontend applet.
+    void LoadConfiguration();
+
+    std::unique_ptr<Ui::QtControllerSelectorDialog> ui;
+
+    // Parameters sent in from the backend HLE applet.
+    Core::Frontend::ControllerParameters parameters;
+
+    InputCommon::InputSubsystem* input_subsystem;
+
+    // This is true if and only if all parameters are met. Otherwise, this is false.
+    // This determines whether the "Ok" button can be clicked to exit the applet.
+    bool parameters_met{false};
+
+    // Widgets encapsulating the groupboxes and comboboxes per player.
+    std::array<QWidget*, 8> player_widgets;
+
+    // Groupboxes encapsulating the controller icons and LED patterns per player.
+    std::array<QGroupBox*, 8> player_groupboxes;
+
+    // Icons for currently connected controllers/players.
+    std::array<QWidget*, 8> connected_controller_icons;
+
+    // Labels that represent the player numbers in place of the controller icons.
+    std::array<QLabel*, 8> player_labels;
+
+    // LED patterns for currently connected controllers/players.
+    std::array<std::array<QCheckBox*, 4>, 8> led_patterns_boxes;
+
+    // Comboboxes with a list of emulated controllers per player.
+    std::array<QComboBox*, 8> emulated_controllers;
+
+    // Labels representing the number of connected controllers
+    // above the "Connected Controllers" checkboxes.
+    std::array<QLabel*, 8> connected_controller_labels;
+
+    // Checkboxes representing the "Connected Controllers".
+    std::array<QCheckBox*, 8> connected_controller_checkboxes;
+};
+
+class QtControllerSelector final : public QObject, public Core::Frontend::ControllerApplet {
+    Q_OBJECT
+
+public:
+    explicit QtControllerSelector(GMainWindow& parent);
+    ~QtControllerSelector() override;
+
+    void ReconfigureControllers(std::function<void()> callback,
+                                Core::Frontend::ControllerParameters parameters) const override;
+
+signals:
+    void MainWindowReconfigureControllers(Core::Frontend::ControllerParameters parameters) const;
+
+private:
+    void MainWindowReconfigureFinished();
+
+    mutable std::function<void()> callback;
+};