/* Turbo C - (C) Copyright 1987,1988 by Borland International */
#include <dos.h>
#include <stdio.h>
#include <string.h>
#include <mem.h>
#include <conio.h>
#include "mcalc.h"
static unsigned char colortable[256];
void setcolor(int color)
/* Sets the current color using the color table */
{
textattr(colortable[color]);
} /* setcolor */
void writef(int col, int row, int color, int width, va_list arg_list, ...)
/* Prints a string in video memory at a selected location in a color */
{
va_list arg_ptr;
char *format;
char output[81];
int len;
va_start(arg_ptr, arg_list);
format = arg_list;
vsprintf(output, format, arg_ptr);
output[width] = 0;
if ((len = strlen(output)) < width)
setmem(&output[len], width - len, ' ');
setcolor(color);
gotoxy(col, row);
cprintf(output);
} /* writef */
void scroll(int direction, int lines, int x1, int y1, int x2, int y2,
int attrib)
/* Scrolls an area of the screen */
{
if (lines == 0)
window(x1, y1, x2, y2);
else switch(direction)
{
case UP :
movetext(x1, y1 + lines, x2, y2, x1, y1);
window(x1, y2 - lines + 1, x2, y2);
break;
case DOWN :
movetext(x1, y1, x2, y2 - lines, x1, y1 + lines);
window(x1, y1, x2, y1 + lines - 1);
break;
case LEFT :
movetext(x1 + lines, y1, x2, y2, x1, y1);
window(x2 - lines + 1, y1, x2, y2);
break;
case RIGHT :
movetext(x1, y1, x2 - lines, y2, x1 + lines, y1);
window(x1, y1, x1 + lines - 1, y2);
break;
} /* switch */
setcolor(attrib);
clrscr();
window(1, 1, 80, 25);
} /* scroll */
void setcursor(unsigned int shape)
/* Sets the shape of the cursor */
{
union REGS reg;
reg.h.ah = 1;
reg.x.cx = shape;
int86(0X10, ®, ®);
} /* setcursor */
unsigned int getcursor(void)
/* Returns the shape of the current cursor */
{
union REGS reg;
reg.h.ah = 3;
reg.h.bh = 0;
int86(0X10, ®, ®);
return(reg.x.cx);
} /* getcursor */
void changecursor(insmode)
/* Changes the cursor shape based on the current insert mode */
{
if (insmode)
setcursor(tallcursor);
else
setcursor(shortcursor);
} /* changecursor */
void printcol(void)
/* Prints the column headings */
{
int col;
char colstr[MAXCOLWIDTH + 1];
scroll(UP, 0, 1, 2, 80, 2, HEADERCOLOR);
for (col = leftcol; col <= rightcol; col++)
{
centercolstring(col, colstr);
writef(colstart[col - leftcol] + 1, 2, HEADERCOLOR, colwidth[col], colstr);
}
} /* printcol */
void clearlastcol()
/* Clears any data left in the last column */
{
int col;
if ((col = colstart[rightcol - leftcol] + colwidth[rightcol]) < 80)
scroll(UP, 0, col + 1, 3, 80, SCREENROWS + 2, WHITE);
} /* clearlastcol */
void printrow(void)
/* Prints the row headings */
{
int row;
for (row = 0; row < SCREENROWS; row++)
writef(1, row + 3, HEADERCOLOR, LEFTMARGIN, "%-d", row + toprow + 1);
} /* printrow */
void displaycell(int col, int row, int highlighting, int updating)
/* Displays the contents of a cell */
{
int color;
char *s;
if ((updating) &&
((cell[col][row] == NULL) || (cell[col][row]->attrib != FORMULA)))
return;
s = cellstring(col, row, &color, FORMAT);
if (highlighting)
{
if (color == ERRORCOLOR)
color = HIGHLIGHTERRORCOLOR;
else
color = HIGHLIGHTCOLOR;
}
writef(colstart[col - leftcol] + 1, row - toprow + 3, color, colwidth[col],
"%s", s);
} /* displaycell */
void displaycol(int col, int updating)
/* Displays a column on the screen */
{
int row;
for (row = toprow; row <= bottomrow; row++)
displaycell(col, row, NOHIGHLIGHT, updating);
} /* displaycol */
void displayrow(int row, int updating)
/* Displays a row on the screen */
{
int col;
for (col = leftcol; col <= rightcol; col++)
displaycell(col, row, NOHIGHLIGHT, updating);
} /* displayrow */
void displayscreen(int updating)
/* Displays the current screen of the spreadsheet */
{
int row;
for (row = toprow; row <= bottomrow; row++)
displayrow(row, updating);
clearlastcol();
} /* displayscreen */
void clearinput(void)
/* Clears the input line */
{
scroll(UP, 0, 1, 25, 80, 25, WHITE);
gotoxy(1, 25);
} /* clearinput */
void showcelltype(void)
/* Prints the type of cell and what is in it */
{
char colstr[3], *s;
int color;
formdisplay = !formdisplay;
s = cellstring(curcol, currow, &color, NOFORMAT);
colstring(curcol, colstr);
if (curcell == NULL)
writef(1, 23, CELLTYPECOLOR, 80, "%s%d %s", colstr, currow + 1, MSGEMPTY);
else switch(curcell->attrib)
{
case TEXT :
writef(1, 23, CELLTYPECOLOR, 80, "%s%d %s", colstr, currow + 1,
MSGTEXT);
break;
case VALUE :
writef(1, 23, CELLTYPECOLOR, 80, "%s%d %s", colstr, currow + 1,
MSGVALUE);
break;
case FORMULA :
writef(1, 23, CELLTYPECOLOR, 80, "%s%d %s", colstr, currow + 1,
MSGFORMULA);
break;
} /* switch */
writef(1, 24, CELLCONTENTSCOLOR, 80, "%s", s);
formdisplay = !formdisplay;
} /* showcelltype */
void redrawscreen(void)
/* Displays the entire screen */
{
setrightcol();
setbottomrow();
writef(1, 1, MSGMEMORYCOLOR, strlen(MSGMEMORY), MSGMEMORY);
writef(29, 1, PROMPTCOLOR, strlen(MSGCOMMAND), MSGCOMMAND);
changeautocalc(autocalc);
changeformdisplay(formdisplay);
printfreemem();
displayscreen(NOUPDATE);
} /* redrawscreen */
void initcursor(void)
/* Initializes the different cursor types */
{
struct text_info ti;
gettextinfo(&ti);
oldcursor = getcursor();
if (ti.currmode == MONO)
{
shortcursor = 0x0A0C;
tallcursor = 0x090C;
}
else
{
shortcursor = 0x0607;
tallcursor = 0x0507;
}
} /* initcursor */
void initcolortable(void)
/* Sets up the color table */
{
int color, fg, bg, fcolor, bcolor;
struct text_info ti;
gettextinfo(&ti);
if (ti.currmode == C80)
{
for (color = 0; color <= 255; color++)
colortable[color] = color;
}
else
{
for (fg = BLACK; fg <= WHITE; fg++)
{
if (fg == BLACK)
fcolor = BLACK;
else if (fg <= LIGHTGRAY)
fcolor = LIGHTGRAY;
else
fcolor = WHITE;
for (bg = BLACK; bg <= LIGHTGRAY; bg++)
{
if (bg == BLACK)
bcolor = BLACK;
else
{
if (fcolor == WHITE)
fcolor = BLACK;
bcolor = LIGHTGRAY;
}
colortable[fg + (bg << 4)] = fcolor + (bcolor << 4);
}
}
for (fg = 128; fg <= 255; fg++)
colortable[fg] = colortable[fg - 128] | 0x80;
}
} /* initcolortable */
#include <dos.h>
#include <stdio.h>
#include <string.h>
#include <mem.h>
#include <conio.h>
#include "mcalc.h"
static unsigned char colortable[256];
void setcolor(int color)
/* Sets the current color using the color table */
{
textattr(colortable[color]);
} /* setcolor */
void writef(int col, int row, int color, int width, va_list arg_list, ...)
/* Prints a string in video memory at a selected location in a color */
{
va_list arg_ptr;
char *format;
char output[81];
int len;
va_start(arg_ptr, arg_list);
format = arg_list;
vsprintf(output, format, arg_ptr);
output[width] = 0;
if ((len = strlen(output)) < width)
setmem(&output[len], width - len, ' ');
setcolor(color);
gotoxy(col, row);
cprintf(output);
} /* writef */
void scroll(int direction, int lines, int x1, int y1, int x2, int y2,
int attrib)
/* Scrolls an area of the screen */
{
if (lines == 0)
window(x1, y1, x2, y2);
else switch(direction)
{
case UP :
movetext(x1, y1 + lines, x2, y2, x1, y1);
window(x1, y2 - lines + 1, x2, y2);
break;
case DOWN :
movetext(x1, y1, x2, y2 - lines, x1, y1 + lines);
window(x1, y1, x2, y1 + lines - 1);
break;
case LEFT :
movetext(x1 + lines, y1, x2, y2, x1, y1);
window(x2 - lines + 1, y1, x2, y2);
break;
case RIGHT :
movetext(x1, y1, x2 - lines, y2, x1 + lines, y1);
window(x1, y1, x1 + lines - 1, y2);
break;
} /* switch */
setcolor(attrib);
clrscr();
window(1, 1, 80, 25);
} /* scroll */
void setcursor(unsigned int shape)
/* Sets the shape of the cursor */
{
union REGS reg;
reg.h.ah = 1;
reg.x.cx = shape;
int86(0X10, ®, ®);
} /* setcursor */
unsigned int getcursor(void)
/* Returns the shape of the current cursor */
{
union REGS reg;
reg.h.ah = 3;
reg.h.bh = 0;
int86(0X10, ®, ®);
return(reg.x.cx);
} /* getcursor */
void changecursor(insmode)
/* Changes the cursor shape based on the current insert mode */
{
if (insmode)
setcursor(tallcursor);
else
setcursor(shortcursor);
} /* changecursor */
void printcol(void)
/* Prints the column headings */
{
int col;
char colstr[MAXCOLWIDTH + 1];
scroll(UP, 0, 1, 2, 80, 2, HEADERCOLOR);
for (col = leftcol; col <= rightcol; col++)
{
centercolstring(col, colstr);
writef(colstart[col - leftcol] + 1, 2, HEADERCOLOR, colwidth[col], colstr);
}
} /* printcol */
void clearlastcol()
/* Clears any data left in the last column */
{
int col;
if ((col = colstart[rightcol - leftcol] + colwidth[rightcol]) < 80)
scroll(UP, 0, col + 1, 3, 80, SCREENROWS + 2, WHITE);
} /* clearlastcol */
void printrow(void)
/* Prints the row headings */
{
int row;
for (row = 0; row < SCREENROWS; row++)
writef(1, row + 3, HEADERCOLOR, LEFTMARGIN, "%-d", row + toprow + 1);
} /* printrow */
void displaycell(int col, int row, int highlighting, int updating)
/* Displays the contents of a cell */
{
int color;
char *s;
if ((updating) &&
((cell[col][row] == NULL) || (cell[col][row]->attrib != FORMULA)))
return;
s = cellstring(col, row, &color, FORMAT);
if (highlighting)
{
if (color == ERRORCOLOR)
color = HIGHLIGHTERRORCOLOR;
else
color = HIGHLIGHTCOLOR;
}
writef(colstart[col - leftcol] + 1, row - toprow + 3, color, colwidth[col],
"%s", s);
} /* displaycell */
void displaycol(int col, int updating)
/* Displays a column on the screen */
{
int row;
for (row = toprow; row <= bottomrow; row++)
displaycell(col, row, NOHIGHLIGHT, updating);
} /* displaycol */
void displayrow(int row, int updating)
/* Displays a row on the screen */
{
int col;
for (col = leftcol; col <= rightcol; col++)
displaycell(col, row, NOHIGHLIGHT, updating);
} /* displayrow */
void displayscreen(int updating)
/* Displays the current screen of the spreadsheet */
{
int row;
for (row = toprow; row <= bottomrow; row++)
displayrow(row, updating);
clearlastcol();
} /* displayscreen */
void clearinput(void)
/* Clears the input line */
{
scroll(UP, 0, 1, 25, 80, 25, WHITE);
gotoxy(1, 25);
} /* clearinput */
void showcelltype(void)
/* Prints the type of cell and what is in it */
{
char colstr[3], *s;
int color;
formdisplay = !formdisplay;
s = cellstring(curcol, currow, &color, NOFORMAT);
colstring(curcol, colstr);
if (curcell == NULL)
writef(1, 23, CELLTYPECOLOR, 80, "%s%d %s", colstr, currow + 1, MSGEMPTY);
else switch(curcell->attrib)
{
case TEXT :
writef(1, 23, CELLTYPECOLOR, 80, "%s%d %s", colstr, currow + 1,
MSGTEXT);
break;
case VALUE :
writef(1, 23, CELLTYPECOLOR, 80, "%s%d %s", colstr, currow + 1,
MSGVALUE);
break;
case FORMULA :
writef(1, 23, CELLTYPECOLOR, 80, "%s%d %s", colstr, currow + 1,
MSGFORMULA);
break;
} /* switch */
writef(1, 24, CELLCONTENTSCOLOR, 80, "%s", s);
formdisplay = !formdisplay;
} /* showcelltype */
void redrawscreen(void)
/* Displays the entire screen */
{
setrightcol();
setbottomrow();
writef(1, 1, MSGMEMORYCOLOR, strlen(MSGMEMORY), MSGMEMORY);
writef(29, 1, PROMPTCOLOR, strlen(MSGCOMMAND), MSGCOMMAND);
changeautocalc(autocalc);
changeformdisplay(formdisplay);
printfreemem();
displayscreen(NOUPDATE);
} /* redrawscreen */
void initcursor(void)
/* Initializes the different cursor types */
{
struct text_info ti;
gettextinfo(&ti);
oldcursor = getcursor();
if (ti.currmode == MONO)
{
shortcursor = 0x0A0C;
tallcursor = 0x090C;
}
else
{
shortcursor = 0x0607;
tallcursor = 0x0507;
}
} /* initcursor */
void initcolortable(void)
/* Sets up the color table */
{
int color, fg, bg, fcolor, bcolor;
struct text_info ti;
gettextinfo(&ti);
if (ti.currmode == C80)
{
for (color = 0; color <= 255; color++)
colortable[color] = color;
}
else
{
for (fg = BLACK; fg <= WHITE; fg++)
{
if (fg == BLACK)
fcolor = BLACK;
else if (fg <= LIGHTGRAY)
fcolor = LIGHTGRAY;
else
fcolor = WHITE;
for (bg = BLACK; bg <= LIGHTGRAY; bg++)
{
if (bg == BLACK)
bcolor = BLACK;
else
{
if (fcolor == WHITE)
fcolor = BLACK;
bcolor = LIGHTGRAY;
}
colortable[fg + (bg << 4)] = fcolor + (bcolor << 4);
}
}
for (fg = 128; fg <= 255; fg++)
colortable[fg] = colortable[fg - 128] | 0x80;
}
} /* initcolortable */