UserInterface.h

00001 //
00002 // User interface implementation
00003 //
00004 
00005 #ifndef _USERINTERFACE_
00006 #define _USERINTERFACE_
00007 
00008 #ifndef _UIMENU_
00009 #include "UIMenu.h"
00010 #endif
00011 
00012 #ifndef _SETTINGSMENU_
00013 #include "SettingsMenu.h"
00014 #endif
00015 
00016 class HomeMenu;
00017 class LightString;
00018 
00019 // The ControllerUI is a pure virtual class describing the
00020 // functions one of the light selectors needs to provide
00021 class ControllerUI
00022 {
00023 public:
00024     ControllerUI( CheapLCD * lcd, LightString * lights )
00025     : fLCD( lcd ), fLights( lights ), fLightsOn( true ) {};
00026     
00027     virtual ~ControllerUI() {}
00028     
00029     virtual void Display( bool on ) = 0;
00030     virtual int32_t KnobMoved( int32_t step ) = 0;
00031 
00032     virtual void LightSwitch( bool on );
00033     virtual void TurnOn() = 0;
00034     virtual bool AreLightsOn() const { return fLightsOn; }
00035 
00036 protected:
00037     CheapLCD * fLCD;
00038     LightString * fLights;
00039     bool fLightsOn;
00040 };
00041 
00042 // PatternSelector lets you choose patterns stored on the SD card
00043 typedef vector<uint32_t> Pattern;
00044 
00045 class PatternSelector : public ControllerUI
00046 {
00047 public:
00048     PatternSelector( CheapLCD * lcd, LightString * lights );
00049 
00050     virtual ~PatternSelector() {};
00051     
00052     virtual void Display( bool on );
00053     virtual int32_t KnobMoved( int32_t step );
00054     
00055     virtual void TurnOn();
00056 
00057 private:
00058     void DrawPattern();
00059     void SetLights();
00060     
00061     vector<string> fPatternNames;
00062     vector<Pattern> fPatterns;
00063 };
00064     
00065 // This selector lets you choose among saturated colors
00066 class ColorSelector : public ControllerUI
00067 {
00068 public:
00069     ColorSelector( CheapLCD * lcd, LightString * lights ) 
00070     : ControllerUI( lcd, lights )
00071     {}
00072     
00073     virtual ~ColorSelector() {};
00074     
00075     virtual void Display( bool on );
00076     virtual int32_t KnobMoved( int32_t step );
00077     
00078     virtual void TurnOn();
00079 
00080 private:
00081     void DrawCursor( bool drawSprite );
00082 };
00083 
00084 // This selector lets you choose white lights
00085 // with a variety of brightness levels
00086 class WhiteSelector : public ControllerUI
00087 {
00088 public:
00089     WhiteSelector( CheapLCD * lcd, LightString * lights ) 
00090     : ControllerUI( lcd, lights )
00091     {}
00092     
00093     virtual ~WhiteSelector() {};
00094     
00095     virtual void Display( bool on );
00096     virtual int32_t KnobMoved( int32_t step );
00097     
00098     virtual void TurnOn();
00099 
00100 private:
00101     void SetLights();
00102     void DrawLevel();
00103 };
00104 
00105 // This is the generic interface the UI uses to choose a
00106 // selector and talk to it.
00107 typedef enum { kColorSelector = 0, kWhiteSelector = 1, kPatternSelector = 2 } ESelector;
00108 
00109 class LightController : public PushKnobUI
00110 {
00111 public:
00112     LightController( HomeMenu * parent, CheapLCD * lcd, LightString * lights );
00113     
00114     virtual void Display( bool on ) { fSubController->Display( on ); }
00115     void LightSwitch( bool on ) { fSubController->LightSwitch( on ); }
00116     bool AreLightsOn() const { return fSubController->AreLightsOn(); }
00117     
00118     void SetSelector( ESelector sel );
00119   
00120 protected:
00121 
00122     virtual int32_t KnobMoved( int32_t step );
00123     virtual void KnobPushed();
00124     
00125     SETUP_KNOB_CALLBACKS( LightController )
00126 
00127 private:
00128     HomeMenu * fParent;
00129     LightString * fLights;
00130     
00131     ControllerUI * fSubController;
00132     ColorSelector fColorSelector;
00133     WhiteSelector fWhiteSelector;
00134     PatternSelector fPatternSelector;
00135 };
00136 
00137 // This implements the home-page menu
00138 //
00139 class HomeMenu : public UIMenu
00140 {
00141 public:
00142     HomeMenu( CheapLCD * lcd, LightString * lights );
00143     virtual ~HomeMenu() {};
00144     
00145     void SetLightsOn( bool isOn );
00146     
00147 protected:
00148     void DoLightController( ESelector sel );
00149     void DoToggleLightsOn();
00150 
00151     virtual void KnobPushed();    
00152     virtual void AttachButton( PushButton * button ) { button->attach( this, &HomeMenu::KnobPushed ); }
00153     
00154     LightController fLightController;
00155     SettingsMenu fSettingsMenu;
00156 
00157 private:
00158     bool fForcedOff;
00159 };
00160     
00161 #endif
00162