#include<stdio.h>
#include<conio.h>
#include<graphics.h>
#include<dos.h>
#include<stdlib.h>
#include<math.h>
#include<string.h>
#define MAX_LONG 2147483647
#define PI 3.1415926536
char buf[80];
void output(char *);
void OUTPUT(long double &);
REGS in_regs,out_regs;
init_mouse(){
in_regs.x.ax = 0;
int86(0x33,&in_regs,&out_regs);
return out_regs.x.ax;
}
void show_mouse(){
in_regs.x.ax = 1;
int86(0x33,&in_regs,&out_regs);
}
int mouse_press(){
in_regs.x.ax = 3;
int86(0x33,&in_regs,&out_regs);
return(out_regs.x.bx);
}
int mouse_pos( int left, int right, int top,int bottom ) {
in_regs.x.ax = 3;
int86(0x33,&in_regs,&out_regs);
return((out_regs.x.cx>left && out_regs.x.cx<right) &&
(out_regs.x.dx>top && out_regs.x.dx<bottom));
}
char str[]="By Mr.Iech Setha student year I scholarship(2001-2002), department Computer Science of RUPP (Royal University of Phnom Penh).";
void run(int &j1,int &leng){
settextstyle(0,0,1); setcolor(15) ;
setfillstyle(1,0); bar(20,450,615,425);
for(int i=j1;i<leng;i++){
if(i<strlen(str)) {
sprintf(buf,"%c",str[i]);
outtextxy(570-8*(leng-j1)+8*(i-j1),440,buf);
}}
if(leng>60) j1++;
if(leng<=strlen(str)+60) leng++;
else { leng = j1 = 0; }
}
void OutPut( double &);
void drBox(int x,int y,int x1,int y1,int width,int color,int color1)
{ for(int i=0;i<width;i++)
{ setcolor(color); line(x+i,y+i,x+i,y1-i);
line(x+i,y+i,x1-i,y+i);
setcolor(color1);line(x+i,y1-i,x1-i,y1-i);
line(x1-i,y+i,x1-i,y1-i); }
}
void Box(){
drBox(202,145,458,171,2,8,15);
drBox(205,190,230,215,2,8,15);
for(int i=0;i<3;i++)drBox(245+70*i,188,310+70*i,218,2,15,8);
for(i=0;i<4;i++) drBox(203,230+35*i,235,260+35*i,2,15,8);
for(i=0;i<4;i++)
for(int j=0;j<5;j++)drBox(250+40*j,230+35*i,285+40*j,260+35*i,2,15,8);
}
void main(){
int gdriver = DETECT, gmode, errorcode;
int i ,run1=0, run2=0;
int a,k=0,l,i1=0,i2,k1=0 ,length , result=0,th=0,step;
int d[30] , Back=0 ,index = 0, NamePoint=0,ind=0,mcl=0;
long double p=0, b[2] = {0,0}, t ;
char NumBer[30],*num[30],ch,buf[80];
/* initialize graphics mode */
initgraph(&gdriver, &gmode, "C:\\TC\\BGI");
/* read result of initialization */
errorcode = graphresult();
if (errorcode != grOk) /* an error occurred */
{
printf("Graphics error: %s\n", grapherrormsg(errorcode));
printf("Press any key to halt:");
getch();
exit(1); /* return with error code */
}
NumBer[index] = '\0' ;
setbkcolor (0) ; settextstyle (1,HORIZ_DIR,2) ;
setcolor (15) ;
outtextxy (156,20,"ROYAL UNIVERSITY OF PHNOM PENH") ;
setcolor (1) ;
outtextxy (154,22,"ROYAL UNIVERSITY OF PHNOM PENH") ;
setcolor (4) ;
settextstyle (0,0,1) ; drBox (198,98,462,382,2,15,8) ;
setfillstyle (1,7) ; bar(200,100,460,380) ;
setfillstyle (1,1) ; bar(202,102,458,125) ;
setcolor (1) ;
char ss[90] ;
for (i=0 ; i<3 ; i++)
for (int j=0 ; j<3 ; j++)
{
sprintf (ss,"%d",(1+j)+3*i) ;
outtextxy (265+40*j,242+35*(2-i),ss) ;
}
outtextxy (265,347,"0") ; outtextxy (297,347,"+/-") ;
outtextxy (345,347,".") ; outtextxy (415,313,"1/x") ;
outtextxy (425,278,"xý") ; outtextxy (421,243,"û") ;
setcolor (4) ; outtextxy (250,200,"Bkspace") ;
outtextxy (340,200,"CE") ; outtextxy (414,200,"C") ;
outtextxy (208,243,"Bin") ; outtextxy (208,278,"log") ;
outtextxy (208,313,"sin") ; outtextxy (208,348,"cos") ;
outtextxy (385,347,"+") ; outtextxy (385,313,"-") ;
outtextxy (385,278,"x") ; outtextxy (385,243,"/") ;
outtextxy (425,347,"=") ;
setcolor (15) ;
outtextxy (207,110,"Calculator") ;
setfillstyle (1,7) ; bar (435,105,450,120) ;
drBox (435,105,450,120,2,15,8) ;
setcolor (0) ; outtextxy (440,109,"x") ;
setfillstyle (1,15) ; bar(204,147,456,169) ;
outtextxy (440,156,"0.") ;
while(1)
{t: Box(); show_mouse () ;
run(run1,run2);
delay(200);
if (mouse_pos(435,450,105,120))
{if(mouse_press ()==1)
{ while (mouse_press ()==1)
{ drBox (435,105,450,120,2,8,15) ; }
if(mouse_pos(435,450,105,120)) goto stop;
else drBox (435,105,450,120,2,15,8);
} /*Click to exit program*/
}
while(kbhit()){
ch=getch();
if(ch>47 && ch<58){
if(ch==48) drBox(250,335,285,365,2,8,15) ;
if(ch==49) drBox(250,300,285,330,2,8,15) ;
if(ch==50) drBox(290,300,325,330,2,8,15) ;
if(ch==51) drBox(330,300,365,330,2,8,15) ;
if(ch==52) drBox(250,265,285,295,2,8,15) ;
if(ch==53) drBox(290,265,325,295,2,8,15) ;
if(ch==54) drBox(330,265,365,295,2,8,15) ;
if(ch==55) drBox(250,230,285,260,2,8,15) ;
if(ch==56) drBox(290,230,325,260,2,8,15) ;
if(ch==57) drBox(330,230,365,260,2,8,15) ;
delay(20); NumBer[index]=char(ch);
if(ch==48)!index ? index:index++;
else index++;
NumBer[index]='\0';
if(result) k = 0 ;
}
else if(ch==46){drBox(330,335,365,365,2,8,15) ;delay(20);
if(NamePoint==0) { NumBer[index]='.'; index++;
NumBer[index]='\0';}
else { sound(1000); delay(30); nosound();}
if(index==1){ NumBer[index]='.';
NumBer[index-1]='0';index++;
NumBer[index]='\0';}
NamePoint = 1;
if(result) k = 0 ;}
else if(ch==27){ drBox(385,188,450,218,2,8,15) ;delay(20);
k = 0 ; i1 = 0 ; index = 0 ; NamePoint=0;
NumBer[index]='\0'; k1=0;
if(result) k = 0 ;
}
else if(ch==42||ch==43||ch==45||ch==47){
if(ch==43){drBox(370,335,405,365,2,8,15); k=1;}
if(ch==45){drBox(370,300,405,330,2,8,15);k=2;}
if(ch==42){drBox(370,265,405,295,2,8,15);k=3;}
if(ch==47){drBox(370,230,405,260,2,8,15);k=4;}
delay(20);b[1]= !p ? _atold(NumBer) : p;
index = 0; NumBer[index]='\0' ;
NamePoint = 0 ; i1 = 0 ; k1=0;
result = 0;
goto tha; }
else if(ch==8){ drBox(245,188,310,218,2,8,15) ;delay(20);
if(result==0)
{ if (index>0) index-- ;
if(NumBer[index]=='.') NamePoint = 0 ;
NumBer[index] = NULL ; }
else goto tha ;
}
else if(ch==13){drBox(410,335,445,365,2,8,15) ;delay(20);
i1++ ; index=0; NamePoint = 0 ;
if (i1==1 && k!=0)
{ t = p ; p = b[1] ; b[1] = t ; }
if (k==1) p = p + b[1] ;
if (k==2) p = p - b[1] ;
if (k==3) p = p * b[1] ;
if (k==4) p = (double)p / b[1] ;
OUTPUT (p) ; index=0;
NumBer[index] = NULL ;
result = 1 ;
goto tha;
}
else if(ch==107) goto stop;
else goto tha;
result = 0 ; p=_atold(NumBer);
output(NumBer);
tha:}
for(i=0;i<3;i++) for(j=0;j<3;j++)
if (mouse_pos(250+40*i,285+40*i,230+35*j,260+35*j)||
mouse_pos(250,285,335,365)||mouse_pos(330,365,335,365))
{ if(mouse_press()==1)
{while (mouse_press()==1)
{if(mouse_pos(250,285,335,365))
{ drBox(250,335,285,365,2,8,15) ; ;
NumBer[index]='0'; NumBer[index+1]='\0';
if(result) k = 0 ; } /*Number 0*/
if (mouse_pos(250+40*i,285+40*i,230+35*j,260+35*j))
{ drBox(250+40*i,230+35*j,285+40*i,260+35*j,2,8,15) ;
NumBer[index]=55-j*3+i; NumBer[index+1]='\0';
if(result) k = 0 ; }
if (mouse_pos(330,365,335,365))
{ drBox(330,335,365,365,2,8,15) ;
if(NamePoint==0) { NumBer[index]='.'; index=ind+1;
NumBer[index]='\0'; }
if(index==1){ NumBer[index]='.';
NumBer[index-1]='0';index+=1;
NumBer[index]='\0';
}
mcl = 1 ;if(result) k = 0 ;NamePoint=1; } /*Key '.'*/
}
if(Back==3) goto skip ;
result=0 ;p=_atold(NumBer);
output(NumBer);
if(NumBer[0]=='\0'||(NumBer[0]=='0'&&NumBer[1]!='.'))index = 0;
else {if(Back == 0){ if(mcl!=1) index++; }
else { if(index>0) index--; }}
skip:ind = index; Back = 0; mcl=0;}
}
if(mouse_pos(245,310,188,218)|| mouse_pos(385,450,188,218)||
mouse_pos(315,380,188,218))
{if(mouse_press()==1){
while(mouse_press()==1){
if (mouse_pos(385,450,188,218)||mouse_pos(315,380,188,218))
{if(mouse_pos(385,450,188,218))
drBox(385,188,450,218,2,8,15);
if (mouse_pos(315,380,188,218))
drBox(315,188,380,218,2,8,15) ;
delay(20); k = 0 ; i1 = 0 ; index = 0 ;
NamePoint=0; NumBer[index]='\0'; k1=0 ; }
if (mouse_pos(245,310,188,218))
{ drBox (245,188,310,218,2,8,15) ;
if (result==0) { Back = 1 ;
if(NumBer[index-1]=='.') NamePoint = 0 ;
NumBer[index-1] = NULL ; }
else Back = 3 ;
} /*Click Back Space*/
}
if(Back==3) goto skip1 ;
result = 0 ; p =_atold(NumBer);
output(NumBer);
if(NumBer[0]=='\0'||(NumBer[0]=='0'&&NumBer[1]!='.'))index = 0;
else {if(Back == 0){ if(mcl!=1) index++; }
else { if(index>0) index--; }}
skip1:ind = index; Back = 0; mcl=0;}
}
for(i=0;i<4;i++)
if(mouse_pos(370,405,230+35*i,260+35*i))
{ if (mouse_press()==1){i1 = 0 ;
while (mouse_press()==1)
{if (mouse_pos(370,405,230+35*i,260+35*i))
{ drBox (370,230+35*i,405,260+35*i,2,8,15) ;
index = 0 ; k = 4-i ; NumBer[index]='\0' ;
NamePoint = 0 ; i1 = 0 ;k1=0; } /*Click +, -, *, / */
}
b[1]= !p ? _atold(NumBer) : p;
result = 0 ; }
}
if (mouse_pos(290,325,335,365))
{if(mouse_press ()==1)
{ k1++; length=strlen(NumBer);
while(mouse_press ()==1)
{ drBox (290,335,325,365,2,8,15); }
if(!result) {
if(length)
{if(k1==1){
index=strlen(NumBer)+1;
NumBer[index]=NULL;
for(i=0;i<length;i++)
NumBer[length-i]=NumBer[length-i-1];
NumBer[0]='-';
}
if(k1==2) {
for(i=0;i<strlen(NumBer);i++)
NumBer[i]=NumBer[i+1];
k1=0; index--;}
}
p=_atold(NumBer); output(NumBer); }
else { p = -p ; OUTPUT(p) ; k1 = 0 ;}
} drBox (290,335,325,365,2,15,8) ;
} /* Click +/- */
for(i=0;i<2;i++) for(j=0;j<3;j++)
if(mouse_pos(410-207*i,445-210*i,230+35*(j+i),260+35*(i+j)))
{if (mouse_press()==1)
{ i1=0 ;
while (mouse_press()==1)
{if(mouse_pos(410-207*i,445-210*i,230+35*(j+i),260+35*(i+j)))
{drBox(410-207*i,230+35*(j+i),445-210*i,260+35*(i+j),2,8,15);
th=(i*3)+(j+1);}
}
if (p>=0 && th==1) p = sqrt (p) ;
if (p!=0 && th==3) p = 1 / p ;
if (th==2) p = p * p ;
if (th==4 && p>0) p = log10 (p) ;
if (th==5) p = sin(PI * p / 180) ;
if (th==6) p = cos(PI * p / 180) ;
result = 1 ;
OUTPUT (p) ;
k = 0 ; i1 = 0 ; NamePoint=0;
index=0; NumBer[index] = NULL ;
}
}
/*Find binary number*/
if (mouse_pos(203,235,230,260))
{if (mouse_press ()==1)
{ i1 = 0 ; step=0 ;
while(mouse_press ()==1)
{
drBox (203,230,235,260,2,8,15) ;}
setfillstyle (1,15) ; bar (204,147,456,169) ;
setcolor (0) ;
if (!p) { step = 1 ; d[0] = 0 ; }
if (p>MAX_LONG || p<0) goto b ;
while (p>0)
{ d [step] = ((long)p) % 2 ;
p = (long)p / 2 ; step++ ; }
if (step>30) goto b ;
for(i=step-1;i>=0;i--){
if (i) sprintf (ss,"%d",d[i]) ;
else sprintf (ss,"%d.",d[i]) ;
outtextxy (440-8*i,156,ss) ;
} goto c ;
b: outtextxy (440,156,"E.") ; p = 0 ;
c: step = 0 ;
result = 1; NamePoint = 0 ;
index = 0 ; NumBer[index] = NULL ; k = 0 ;
} drBox (203,230,235,260,2,15,8) ;
}
if (mouse_pos(410,445,335,365))
{ if (mouse_press ()==1)
{while (mouse_press ()==1)
{ drBox (410,335,445,365,2,8,15) ; }
i1++ ; NamePoint = 0 ;
if (i1==1 && k!=0) { t = p ; p = b[1] ; b[1] = t ; }
if (k==1) p = p + b[1] ;
if (k==2) p = p - b[1] ;
if (k==3) p = p * b[1] ;
if (k==4) p = (double)p / b[1] ;
OUTPUT (p) ; index=0; ind=0;
NumBer[index] = NULL ;
result = 1 ;
}}
}
stop: closegraph();
} /* Click '=' key*/
void OUTPUT(long double &p){
char *num="%.0Lf.";
long double integer,fraction;
long modul;int cha;
setfillstyle (1,15) ; bar (204,147,456,169) ;
setcolor (0) ;
fraction = modfl(p,&integer) ;
fraction = fabsl(fraction*1000000000) ;
modul=((long)fraction+1)/10;
if (p < pow(2,64) / 2 && p>-pow(2,64) / 2 && p!=0)
{
if((modul%100000000)==0) cha=0;
else if((modul%10000000)==0)cha=2;
else if((modul%1000000)==0) cha=3;
else if((modul%100000)==0) cha=4;
else if((modul%10000)==0) cha=5;
else if((modul%1000)==0) cha=6;
else if((modul%100)==0) cha=7;
else if((modul%10)==0) cha=8;
else cha=9;
num[2]=48+(!cha?0:cha-1);
sprintf (buf,num,p) ;
if ((p>(long)p && p<(long)p+1) || (p<(long)p && p>long(p)-1)){
if (p<-1) outtextxy(440 - 8 * (1+(int)log10(fabsl(p)))-8*cha,156,buf);
else if (p<0) !cha ? outtextxy(440 , 156 , "0."):
outtextxy(440 - 8*(cha+1),156,buf) ;
else if (p<1) outtextxy (440 - 8*cha,156,buf) ;
else outtextxy (440 - 8 * ((int)log10(p)) -8*cha,156,buf) ;
}
else
{sprintf (buf,"%.Lf.",p) ;
if (p>0)outtextxy (440 - 8 * (int)log10(fabsl(p)),156,buf) ;
else outtextxy (440 - 8 * ((int)log10(fabsl(p)) + 1),156,buf) ;
}}
else
{if (p!=0){ outtextxy (440,156,"E.") ; p = 0 ; }
else outtextxy (440,156,"0.") ;
}
}
void output (char NumStr[])
{
long double p;
setfillstyle (1,15) ; bar (204,147,456,169) ;
setcolor (0) ;
if(strlen(NumStr)==0) outtextxy(440,156,"0.") ;
if(strlen(NumStr)<19)
{sprintf (buf,"%s.",NumStr) ;
outtextxy(440-8*(strlen(NumStr)-1),156,buf);}
else outtextxy(440,156,"E.");
}
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