Arduino  1.8.10
VirtualKeyboard.cpp
[詳解]
1 #include "VirtualKeyboard.h"
2 
3 int VirtualKeyboard::getColLin(int val){
4  uint8_t col,lin;
5  lin=val/10;
6  col=val%10; // saving 36 bytes :(
7  /*if(0<=val && 9>=val){
8  col=val;
9  lin=0;
10  }else if(10<=val && 19>=val){
11  col=val-10;
12  lin=1;
13  }else if(20<=val && 29>=val){
14  col=val-20;
15  lin=2;
16  }else if(30<=val && 39>=val){
17  col=val-30;
18  lin=3;
19  }*/
20  return (col<<8)+lin; //Put col and lin in one int
21 }
23 /** visually select a letter on the keyboard
24 * The selection boarder is 1px higher than the character,
25 * 1px on the bottom, 2px to the left and 2px to the right.
26 *
27 */
28  if(!onOff)return;
29  //Serial.println(onOff);
30  static int oldColLin=0;
31  uint8_t val=map(Robot.knobRead(),0,1023,0,38);
32  if(val==38)val=37; //The last value is jumpy when using batteries
33  int colLin=getColLin(val);
34 
35  if(oldColLin!=colLin){
36  uint8_t x=(oldColLin>>8 & 0xFF)*11+10;//col*11+1+9
37  uint8_t y=(oldColLin & 0xFF)*11+1+top;//lin*11+1+top
38  uint8_t w=9;
39  if(oldColLin==1795) //last item "Enter", col=7 lin=3
40  w=33; //(5+1)*6-1+2+2 charWidth=5, charMargin=1, count("Enter")=6, lastItem_MarginRight=0, marginLeft==marginRight=2
41  Robot.drawRect(x,y,w,9,hideColor);
42 
43 
44  x=(colLin>>8 & 0xFF)*11+10;
45  y=(colLin & 0xFF)*11+1+top;
46  w=9;
47  if(colLin==1795) //last item "Enter", col=7 lin=3
48  w=33; //(5+1)*6-1+2+2 charWidth=5, charMargin=1, count("Enter")=6, lastItem_MarginRight=0, marginLeft==marginRight=2
49  Robot.drawRect(x,y,w,9,showColor);
50  oldColLin=colLin;
51  }
52 }
53 
55  if(!onOff)return -1;
56 
57  uint8_t val=map(Robot.knobRead(),0,1023,0,38);
58  if(0<=val && 9>=val)
59  val='0'+val;
60  else if(10<=val && 35>=val)
61  val='A'+val-10;
62  else if(val==36)
63  val=' ';
64  else if(val>=37)
65  val='\0';
66 
67  return val;
68 }
70  onOff=false;
71  Robot.fillRect(0,top,128,44,hideColor);//11*4
72 }
73 
74 void VirtualKeyboard::display(uint8_t top, uint16_t showColor, uint16_t hideColor){
75 /** Display the keyboard at y position of top
76 * formular:
77 * When text size is 1, one character is 5*7
78 * margin-left==margin-right==3,
79 * margin-top==margin-bottom==2,
80 * keyWidth=5+3+3==11,
81 * keyHeight=7+2+2==11,
82 * keyboard-margin-left=keyboard-margin-right==9
83 * so character-x=11*col+9+3=11*col+12
84 * character-y=11*lin+2+top
85 *
86 **/
87  this->top=top;
88  this->onOff=true;
89 
90  this->showColor=showColor;
91  this->hideColor=hideColor;
92 
93  for(uint8_t i=0;i<36;i++){
94  Robot.setCursor(i%10*11+12,2+top+i/10*11);
95  if(i<10)
96  Robot.print(char('0'+i));
97  else
98  Robot.print(char(55+i));//'A'-10=55
99  }//for saving 58 bytes :(
100 
101  /*for(int i=0;i<10;i++){
102  Robot.setCursor(i*11+12,2+top);//11*0+2+top
103  Robot.print(char('0'+i));//line_1: 0-9
104  }
105  for(int i=0;i<10;i++){
106  Robot.setCursor(i*11+12,13+top);//11*1+2+top
107  Robot.print(char('A'+i));//line_2: A-J
108  }
109  for(int i=0;i<10;i++){
110  Robot.setCursor(i*11+12,24+top);//11*2+2+top
111  Robot.print(char('K'+i));//line_3: K-T
112  }
113  for(int i=0;i<6;i++){
114  Robot.setCursor(i*11+12,35+top);//11*3+2+top
115  Robot.print(char('U'+i));//line_4: U-Z
116  }*/
117  //space and enter at the end of the last line.
118  Robot.setCursor(78,35+top);//6*11+12=78
119  Robot.print('_');//_
120 
121  Robot.setCursor(89,35+top);//7*11+12=89
122  Robot.print("Enter");//enter
123 }
124 
125 
126 
long map(long x, long in_min, long in_max, long out_min, long out_max)
Definition: WMath.cpp:52
uint8_t i
int knobRead()
Definition: Sensors.cpp:253
VirtualKeyboard Vkey
RobotControl Robot
size_t print(const __FlashStringHelper *)
Definition: Print.cpp:44
void setCursor(int16_t x, int16_t y)
void display(uint8_t top, uint16_t showColor=BLACK, uint16_t hideColor=WHITE)
virtual void drawRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color)
void fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color)