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#include "VirtualKeyboard.h"
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();
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