Diff: inc/Menu.h

Revision:

1:b3907b8d9f65

diff -r 1f422ed56e0f -r b3907b8d9f65 inc/Menu.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/inc/Menu.h	Mon Jun 25 21:01:02 2012 +0000
@@ -0,0 +1,124 @@
+#ifndef FBRDASH_MENU_H
+#define FBRDASH_MENU_H
+
+#include "TextLCD.h"
+#include "PinDetect.h"
+#include <string>
+
+class MenuEntryBase
+{
+    public:
+        bool editable;
+        
+        string label;
+        string format;
+        
+        virtual void increment() = 0;
+        virtual void decrement() = 0;
+        virtual string getFormatted() = 0;
+};
+
+template <typename T>
+class MenuEntry : public MenuEntryBase
+{
+    public:
+        T* value;
+        T step;
+        
+        virtual void increment()
+        {
+            *value += step;
+        }
+        
+        virtual void decrement()
+        {
+            *value -= step;
+        }
+        
+        virtual string getFormatted()
+        {
+            char buffer[16];
+            sprintf(buffer, format.c_str(), *value);
+            return buffer;
+        }
+};
+
+class Menu
+{
+    public:
+        bool display;
+        bool edit;
+        
+        Menu(TextLCD* _screen, PinName ok, PinName left, PinName right);
+        
+        template <typename T>
+        void addItem(string label, string format, T* value);
+        
+        template <typename T>
+        void addEditableItem(string label, string format, T* value, T step);
+        
+        void refresh();
+        
+        void enter();
+        void done();
+        void left();
+        void right();
+        
+    private:
+        MenuEntryBase* entries[20];
+        int entryCount;
+        
+        PinDetect* btnOK;
+        PinDetect* btnLeft;
+        PinDetect* btnRight;
+        
+        TextLCD* screen;
+        
+        int position;
+        bool ignoreNextEnter;
+        
+        Timeout leftHeldTimeout;
+        Timeout rightHeldTimeout;
+        
+        void leftHeld();
+        void cancelLeftHeld();
+        void rightHeld();
+        void cancelRightHeld();
+    
+    static const float holdRepeatTime = 0.15; //should be multiple of screen refresh rate or wierdness will ensue
+    static const char leftArrow = 0x7F;
+    static const char rightArrow = 0x7E;
+};
+
+template <typename T>
+void Menu::addItem(string label, string format, T* value)
+{
+    MenuEntry<T>* newEntry = new MenuEntry<T>();
+    
+    newEntry->value = value;
+    newEntry->editable = false;
+    
+    newEntry->label = label;
+    newEntry->format = format;
+    
+    entries[entryCount] = newEntry;
+    entryCount++;
+}
+
+template <typename T>
+void Menu::addEditableItem(string label, string format, T* value, T step)
+{
+    MenuEntry<T> newEntry;
+    
+    newEntry.value = value;
+    newEntry.editable = true;
+    newEntry.step = step;
+    
+    newEntry.label = label;
+    newEntry.format = format;
+    
+    entries[entryCount] = newEntry;
+    entryCount++;
+}
+
+#endif
\ No newline at end of file