MainMenuScreen.h

00001 #ifndef MAINMENUSCREEN_H
00002 #define MAINMENUSCREEN_H
00003 
00004 #include "Icons.h"
00005 #include "Inputs.h"
00006 
00007 class MainMenuScreen : public Button <MainMenuScreen>
00008 {
00009 public:
00010     MainMenuScreen(uint16_t backgroundColor);
00011     int start();
00012     void buttonPressed(int button);
00013 
00014 private:
00015     void drawMainMenuScreen();
00016     void initialiseIcons();
00017     void drawIcons();
00018     void drawText();
00019     void updateIcons();
00020     void shiftBoundary();
00021     void deAllocateMemory();
00022 
00023     // colors
00024     uint16_t textColor;     // color for text
00025     uint16_t bgColor;       // background color
00026     uint16_t byColor;        // boundary color
00027 
00028 
00029     int boundaryShifter;    // tracks the location of the boundary
00030     int changeScreen;
00031     bool scroll;    // updated when a scroll event occurs
00032 
00033     // Icons
00034     BatteryIcon *batteryIcon;
00035     OutputIcon *outputIcon;
00036     SolarIcon *solarIcon;
00037     SettingsIcon *settingsIcon;
00038 
00039 };
00040 
00041 
00042 MainMenuScreen::MainMenuScreen(uint16_t backgroundColor)
00043 {
00044     // constuctor function
00045 
00046 
00047 
00048     bgColor = backgroundColor;
00049 
00050     // set text color
00051     // determine the color of text
00052     if (bgColor == ST7735_WHITE ) {
00053         textColor = ST7735_BLACK;
00054         byColor = ST7735_CYAN;
00055     } else if (bgColor == ST7735_BLACK) {
00056         textColor = ST7735_WHITE;
00057         byColor = ST7735_CYAN;
00058     }
00059 
00060 }
00061 
00062 int MainMenuScreen::start()
00063 {
00064     
00065     drawMainMenuScreen();   
00066     
00067     // attach interrupts to buttons
00068     Button<MainMenuScreen>::activateButtons(this);
00069     
00070     changeScreen = 0;
00071     
00072     while (changeScreen == 0){
00073         updateIcons();
00074         
00075         // scroll event occured
00076         if(scroll)
00077         {
00078             shiftBoundary();
00079             scroll = false;    
00080         }
00081         
00082         //wait_ms(500);
00083         Thread::wait(200);       
00084     }
00085     
00086     // remember to detach buttons
00087     Button<MainMenuScreen>::deActivateButtons();
00088     
00089     // remember to deallocate memory
00090     deAllocateMemory();
00091     
00092     return changeScreen;
00093 }
00094 
00095 void MainMenuScreen::drawMainMenuScreen()
00096 {
00097     // initialise icons
00098     initialiseIcons();
00099     
00100     // draw the screens icons first
00101     drawIcons();
00102 
00103     // draw the text under the icons
00104     drawText();
00105 
00106     // Highlight the first icon
00107     boundaryShifter = 1;
00108     shiftBoundary();
00109 }
00110 
00111 void MainMenuScreen::initialiseIcons()
00112 {
00113     // Battery Icon
00114     // X Coord
00115     int batXCoord = 15;
00116     // Y Coord
00117     int batYCoord = 5;
00118     // percentage
00119     int batteryPercentage = getBatteryPercentage();
00120     // batteryStatus
00121     int batteryStatus = getBatteryStatus();
00122     bool batteryCharging = false;
00123     if (batteryStatus > 0 )
00124     {
00125         batteryCharging = true;    
00126     }
00127     
00128     // Constructor
00129     batteryIcon = new BatteryIcon(batXCoord, batYCoord,bgColor,batteryPercentage,batteryCharging);
00130 
00131     // Output Icon Coordinates
00132     // X Coord
00133     int outXCoord = 100;
00134     // Y Coord
00135     int outYCoord = 8;
00136     // Constructor
00137     outputIcon = new OutputIcon(outXCoord, outYCoord, bgColor);
00138 
00139     // Solar Icon Coordinates
00140     // X Coord
00141     int solXCoord = 5;
00142     // Y Coord
00143     int solYCoord = 63;
00144     // Constructor
00145     solarIcon = new SolarIcon(solXCoord, solYCoord, bgColor);
00146 
00147     // Settings Icon Coordinates
00148     // X Coord
00149     int setXCoord = 100;
00150     // Y Coord
00151     int setYCoord = 66;
00152     // Constructor
00153     settingsIcon = new SettingsIcon(setXCoord, setYCoord, bgColor);
00154 }
00155 
00156 void MainMenuScreen::drawIcons()
00157 {
00158     // draw the battery icon
00159     batteryIcon->drawBatteryIcon();
00160 
00161     // draw solar icon
00162     solarIcon->drawSolarIcon();
00163 
00164     // draw output icon
00165     outputIcon->drawOutputIcon();
00166 
00167     // draw settings icon
00168     settingsIcon->drawSettingsIcon();
00169 }
00170 
00171 void MainMenuScreen::drawText()
00172 {
00173     // text under the icons
00174 
00175     // Batteries
00176     tft.setCursor(7, 50);
00177     tft.setTextColor(textColor);
00178     tft.setTextWrap(true);
00179     tft.printf("Batteries");
00180 
00181     // Output
00182     tft.setCursor(110, 50);
00183     tft.setTextColor(textColor);
00184     tft.setTextWrap(true);
00185     tft.printf("Output");
00186 
00187     // Solar
00188     tft.setCursor(17, 117);
00189     tft.setTextColor(textColor);
00190     tft.setTextWrap(true);
00191     tft.printf("Solar");
00192 
00193     // Settings
00194     tft.setCursor(103, 117);
00195     tft.setTextColor(textColor);
00196     tft.setTextWrap(true);
00197     tft.printf("Settings");
00198 }
00199 
00200 void MainMenuScreen::shiftBoundary()
00201 {
00202     // selects the next icon to have a boundary
00203 
00204     if (boundaryShifter == 1) {
00205 
00206         // delete settings
00207         tft.drawRect(96,114,61,13,bgColor);
00208         tft.drawRect(97,115,59,11,bgColor);
00209 
00210         // draw the battery boundary
00211         tft.drawRect(0,47,70,13,byColor);
00212         tft.drawRect(1,48,68,11,byColor);
00213 
00214     } else if (boundaryShifter == 2) {
00215 
00216         // delete battery
00217         tft.drawRect(0,47,70,13,bgColor);
00218         tft.drawRect(1,48,68,11,bgColor);
00219 
00220         // draw output
00221         tft.drawRect(103,47,50,13,byColor);
00222         tft.drawRect(104,48,48,11,byColor);
00223 
00224     } else if (boundaryShifter == 3) {
00225 
00226         // delete output
00227         tft.drawRect(103,47,50,13,bgColor);
00228         tft.drawRect(104,48,48,11,bgColor);
00229 
00230 
00231         // draw solar
00232         tft.drawRect(10,114,42,13,byColor);
00233         tft.drawRect(11,115,40,11,byColor);
00234 
00235     } else if (boundaryShifter == 4) {
00236 
00237         // delete solar
00238         tft.drawRect(10,114,42,13,bgColor);
00239         tft.drawRect(11,115,40,11,bgColor);
00240 
00241 
00242         // draw settings
00243         tft.drawRect(96,114,61,13,byColor);
00244         tft.drawRect(97,115,59,11,byColor);
00245 
00246     }
00247     
00248     // ready the next icon to have boundary
00249     boundaryShifter++;
00250 
00251     // ensure the boundary tracker remains in a loop
00252     if (boundaryShifter > 4) {
00253         boundaryShifter = 1;
00254     }
00255 
00256 }
00257 
00258 void MainMenuScreen::updateIcons()
00259 {
00260     // update the icons
00261     
00262     // get the overall percentage of the battery
00263     int percentage = getBatteryPercentage();
00264     
00265     // get the charge status of the battery
00266     bool batteryCharging = getBatteryStatus();
00267     
00268     // get the output status
00269     bool outputStatus = getOutputStatus();
00270     
00271     // get the radiation status of the solar panel
00272     bool radiationReceived = getSolarStatus();
00273 
00274     // set the battery percentage accordingly
00275     batteryIcon->setBatteryPercentage(percentage,batteryCharging);
00276     
00277     // animate the output icon accordingly
00278     outputIcon->animateOutputIcon(outputStatus);
00279 
00280     // animate the solar icon accordingly
00281     solarIcon->animateSolarIcon(radiationReceived);
00282 }
00283 void MainMenuScreen::deAllocateMemory()
00284 {
00285     // free up memory that was dynamically created
00286     delete batteryIcon;
00287     delete outputIcon;
00288     delete solarIcon;
00289     delete settingsIcon;    
00290 }
00291 
00292 void MainMenuScreen::buttonPressed(int button)
00293 {
00294     switch(button){
00295         
00296         case BACKBUTTON:
00297             // navigate to the previous screen
00298             //changeScreen = -1;
00299             break;
00300             
00301         case SCROLLBUTTON:
00302             // move boundary to the next icon
00303             //shiftBoundary();
00304             scroll = true;
00305             break;
00306         
00307         case ENTERBUTTON:
00308             // navigate to the selected option
00309             if(boundaryShifter == 1){
00310                 changeScreen = 4;    
00311             } else {
00312                 changeScreen = boundaryShifter-1;   
00313             }
00314         default:
00315             // do nothing
00316             break;    
00317     }
00318 }
00319 
00320 #endif