ScreenManager.h

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#ifndef SCREENMANAGER_H_
#define SCREENMANAGER_H_
 
#include <Arduino.h>
#include <SPI.h>
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"
 
#include "../Encoder/Encoder.h"
#include "../KeyPad/KeyPad.h"
#include "../Configuration.h"
#include "UI_Lib.h"
#include "Icons.h"
#include <string.h>
 
#ifdef TOUCH_ENABLED
    #include "XPT2046.h"
#endif
 
#define DISPLAY_WIDTH       320     
#define DISPLAY_HEIGHT      240     
#define STATUS_BAR_HEIGHT   30      
#define MSG_DIALOG_MARGIN   20      
 
#ifdef TOUCH_ENABLED
enum TouchEventStates
{
    TOUCH_EVENTS_WAIT_FOR_TOUCH,         
    TOUCH_EVENTS_WAIT_LONG_TOUCH_DELAY,   
    TOUCH_EVENTS_LONG_TOUCH_DETECTED        
};
#endif

typedef enum ScreenTypes
{
#ifdef PS_SUBSYSTEM_ENABLED
    SCREEN_PS,                 
#endif
#ifdef DDS_SUBSYSTEM_ENABLED
    SCREEN_DDS,                   
#endif
#ifdef MEASURE_SUBSYSTEM_ENABLED
    SCREEN_MEAS,             
#endif
    SCREEN_CONF,             
    NUM_SCREEN_ELEMENTS          
}ScreenTypes_t; 
 
#ifdef SPLASHSCREEN_ENABLED 
    UIElement* uiBuildSplashScreen();
#endif
 
#ifdef PS_SUBSYSTEM_ENABLED
    UIElement* uiBuildScreenPS();
#endif
 
#ifdef DDS_SUBSYSTEM_ENABLED
    UIElement* uiBuildScreenDDS();
#endif
 
#ifdef MEASURE_SUBSYSTEM_ENABLED
    UIElement* uiBuildScreenMeasure();
#endif

UIElement* uiBuildScreenSettings();

UIElement* uiBuildScreenCalibration();

UIElement* StartCalibration();
 
#ifdef MEASURE_SUBSYSTEM_ENABLED
    void updateDmmNegativeWarningVisibility();
#endif
 
#ifdef DDS_SUBSYSTEM_ENABLED
    void ScreenDDSUpdateVisibility();
#endif

class ScreenManagerClass
{
    private:
        Adafruit_ILI9341 _tft;                  
        
    #ifdef TOUCH_ENABLED
        XPT2046 _ts;                          
        unsigned long _touchStartTime = 0;       
        TouchEventStates _touchEventState = TOUCH_EVENTS_WAIT_FOR_TOUCH; 
    #endif

        void uiBuildTree();
        
    public:
        bool RedrawScreenRequest;                
        bool CurrentScreenNeedsPeriodicRedraw;  
    
        bool IsSplashScreenShown;                
        uint16_t TimeCounter_SplashScreen_ms;    
        uint16_t TimeCounter_ScreenRedraw_ms;    
    #ifdef TOUCH_ENABLED
        uint16_t TimeCounter_TouchHandling_ms;  
    #endif
 
        ScreenManagerClass();                 
        void Init();                            
        void UpdateVisibilities();                
        
        void DoDraw();                            
        
        void ShowUiMainPage();                    
        void ShowUiCalibrationMenu();          
        
        void ShowHideDeviceRWLMessage(bool showMessage);
        
        void DeviceTimerTickISR();
        
        void UpdateSettingsChangedIndicator(bool settingsChanged);
        
        void UpdateCalibrationValidIndicator(bool calibrationValid);

        void KeyInput(Keys_t key);
 
    #ifdef TOUCH_ENABLED
        bool TouchInput(uint16_t x, uint16_t y, TouchTypes touchType);

        void TouchHandlingISR();
    #endif
};
 
#endif /* SCREENMANAGER_H_ */