| int VirtualKeyboard::getColLin(int val){ | |
| uint8_t col,lin; | |
| lin=val/10; | |
| col=val%10; // saving 36 bytes :( | |
| /*if(0<=val && 9>=val){ | |
| col=val; | |
| lin=0; | |
| }else if(10<=val && 19>=val){ | |
| col=val-10; | |
| lin=1; | |
| }else if(20<=val && 29>=val){ | |
| col=val-20; | |
| lin=2; | |
| }else if(30<=val && 39>=val){ | |
| col=val-30; | |
| lin=3; | |
| }*/ | |
| return (col<<8)+lin; //Put col and lin in one int | |
| } | |
| void VirtualKeyboard::run(){ | |
| /** visually select a letter on the keyboard | |
| * The selection boarder is 1px higher than the character, | |
| * 1px on the bottom, 2px to the left and 2px to the right. | |
| * | |
| */ | |
| if(!onOff)return; | |
| //Serial.println(onOff); | |
| static int oldColLin=0; | |
| uint8_t val=map(Robot.knobRead(),0,1023,0,38); | |
| if(val==38)val=37; //The last value is jumpy when using batteries | |
| int colLin=getColLin(val); | |
| if(oldColLin!=colLin){ | |
| uint8_t x=(oldColLin>>8 & 0xFF)*11+10;//col*11+1+9 | |
| uint8_t y=(oldColLin & 0xFF)*11+1+top;//lin*11+1+top | |
| uint8_t w=9; | |
| if(oldColLin==1795) //last item "Enter", col=7 lin=3 | |
| w=33; //(5+1)*6-1+2+2 charWidth=5, charMargin=1, count("Enter")=6, lastItem_MarginRight=0, marginLeft==marginRight=2 | |
| Robot.drawRect(x,y,w,9,hideColor); | |
| x=(colLin>>8 & 0xFF)*11+10; | |
| y=(colLin & 0xFF)*11+1+top; | |
| w=9; | |
| if(colLin==1795) //last item "Enter", col=7 lin=3 | |
| w=33; //(5+1)*6-1+2+2 charWidth=5, charMargin=1, count("Enter")=6, lastItem_MarginRight=0, marginLeft==marginRight=2 | |
| Robot.drawRect(x,y,w,9,showColor); | |
| oldColLin=colLin; | |
| } | |
| } | |
| char VirtualKeyboard::getSelection(){ | |
| if(!onOff)return -1; | |
| uint8_t val=map(Robot.knobRead(),0,1023,0,38); | |
| if(0<=val && 9>=val) | |
| val='0'+val; | |
| else if(10<=val && 35>=val) | |
| val='A'+val-10; | |
| else if(val==36) | |
| val=' '; | |
| else if(val>=37) | |
| val='\0'; | |
| return val; | |
| } | |
| void VirtualKeyboard::hide(){ | |
| onOff=false; | |
| Robot.fillRect(0,top,128,44,hideColor);//11*4 | |
| } | |
| void VirtualKeyboard::display(uint8_t top, uint16_t showColor, uint16_t hideColor){ | |
| /** Display the keyboard at y position of top | |
| * formular: | |
| * When text size is 1, one character is 5*7 | |
| * margin-left==margin-right==3, | |
| * margin-top==margin-bottom==2, | |
| * keyWidth=5+3+3==11, | |
| * keyHeight=7+2+2==11, | |
| * keyboard-margin-left=keyboard-margin-right==9 | |
| * so character-x=11*col+9+3=11*col+12 | |
| * character-y=11*lin+2+top | |
| * | |
| **/ | |
| this->top=top; | |
| this->onOff=true; | |
| this->showColor=showColor; | |
| this->hideColor=hideColor; | |
| for(uint8_t i=0;i<36;i++){ | |
| Robot.setCursor(i%10*11+12,2+top+i/10*11); | |
| if(i<10) | |
| Robot.print(char('0'+i)); | |
| else | |
| Robot.print(char(55+i));//'A'-10=55 | |
| }//for saving 58 bytes :( | |
| /*for(int i=0;i<10;i++){ | |
| Robot.setCursor(i*11+12,2+top);//11*0+2+top | |
| Robot.print(char('0'+i));//line_1: 0-9 | |
| } | |
| for(int i=0;i<10;i++){ | |
| Robot.setCursor(i*11+12,13+top);//11*1+2+top | |
| Robot.print(char('A'+i));//line_2: A-J | |
| } | |
| for(int i=0;i<10;i++){ | |
| Robot.setCursor(i*11+12,24+top);//11*2+2+top | |
| Robot.print(char('K'+i));//line_3: K-T | |
| } | |
| for(int i=0;i<6;i++){ | |
| Robot.setCursor(i*11+12,35+top);//11*3+2+top | |
| Robot.print(char('U'+i));//line_4: U-Z | |
| }*/ | |
| //space and enter at the end of the last line. | |
| Robot.setCursor(78,35+top);//6*11+12=78 | |
| Robot.print('_');//_ | |
| Robot.setCursor(89,35+top);//7*11+12=89 | |
| Robot.print("Enter");//enter | |
| } | |
| VirtualKeyboard Vkey=VirtualKeyboard(); |