mit menu angefangen

lib/Menu/menu.cpp

@@ -0,0 +1,42 @@
+/**
+ * @file menu.cpp
+ * @author Alexander Klein (alex@kleiax.de)
+ * @brief 
+ * @version 0.1
+ * @date 2022-01-12
+ * 
+ * @copyright Copyright (c) 2022
+ * 
+ */
+#include "menu.h"
+
+Menu::Menu(MenuEntry* firstEntry) {
+    entrys.push_back(firstEntry);
+    this->it = this->entrys.begin();
+}
+
+void Menu::nextEntry() {
+    if (this->it != this->entrys.end())
+        this->it++;
+    else
+       this->it = this->entrys.begin(); 
+    this->printMenu();
+}
+
+void Menu::prevEntry() {
+    if (this->it != this->entrys.begin())
+        this->it--;
+    else
+       this->it = this->entrys.end();
+    this->printMenu();
+}
+
+void Menu::enterEntry() {
+    // TODO: find out why i cannot call run directly from the iterator
+    MenuEntry* selectedEntry = *(this->it);
+    selectedEntry->run();
+}
+
+void Menu::enterParentMenu() {
+    this->parentMenu->printMenu();
+}

lib/Menu/menu.h

@@ -0,0 +1,39 @@
+/**
+ * @file menu.h
+ * @author Alexander Klein (alex@kleiax.de)
+ * @brief 
+ * @version 0.1
+ * @date 2022-01-12
+ * 
+ * @copyright Copyright (c) 2022
+ * 
+ */
+#ifndef MENU_H
+#define MENU_H
+
+#include <list>
+
+#include "menuEntry.h"
+
+class Menu {
+    public:
+        Menu(MenuEntry* firstEntry);
+
+        void printMenu();
+
+        void nextEntry();
+        void prevEntry();
+        void enterEntry();
+        void enterParentMenu();
+
+    private:
+        bool active = false;
+
+        Menu* parentMenu;
+
+        std::list<MenuEntry*> entrys;
+        std::list<MenuEntry*>::iterator it;
+
+};
+
+#endif // MENU_H

lib/Menu/menuEntry.cpp

@@ -0,0 +1,38 @@
+/**
+ * @file menuEntry.cpp
+ * @author Alexander Klein (alex@kleiax.de)
+ * @brief 
+ * @version 0.1
+ * @date 2022-01-12
+ * 
+ * @copyright Copyright (c) 2022
+ * 
+ */
+#include "menuEntry.h"
+
+MenuEntry::MenuEntry(const char* name, void (*function) (), void (*callback) ()) {
+    this->name = name;
+    this->function = function;
+    this->callback = callback;
+}
+
+MenuEntry::MenuEntry(const char* name, void (*function) ()) {
+    this->name = name;
+    this->function = function;
+}
+
+MenuEntry::MenuEntry(const char* name, Menu* menu) {
+    this->name = name;
+    this->menu = menu;
+    this->isMenu = true;
+}
+
+void MenuEntry::run() {
+    if (isMenu)
+        {}
+    else
+        this->function();
+
+    if (this->callback)
+        this->callback();
+}

lib/Menu/menuEntry.h

@@ -0,0 +1,33 @@
+/**
+ * @file menuEntry.h
+ * @author Alexander Klein (alex@kleiax.de)
+ * @brief 
+ * @version 0.1
+ * @date 2022-01-12
+ * 
+ * @copyright Copyright (c) 2022
+ * 
+ */
+#ifndef MENU_ENTRY_H
+#define MENU_ENTRY_H
+
+#include "menu.h"
+
+class MenuEntry {
+    public:
+        MenuEntry(const char* name, void (*function) (), void (*callback) ());
+        MenuEntry(const char* name, void (*function) ());
+        MenuEntry(const char* name, Menu* menu);
+        void run();
+
+    private:
+        const char* name;
+
+        void (*function) ();
+        void (*callback) ();
+
+        bool isMenu;
+        Menu *menu;
+};
+
+#endif // MENU_ENTRY_H