ref: efc660ab1ac0f887e06fc3c20ca51244f27ae87c
dir: /us1.c/
char *abortprogram;
int NoWait;
u16int PrintX,PrintY;
u16int WindowX,WindowY,WindowW,WindowH;
int Button0,Button1,
CursorBad;
s16int CursorX,CursorY;
void (*USL_MeasureString)(char far *,u16int *,u16int *) = VW_MeasurePropString,
(*USL_DrawString)(char far *) = VWB_DrawPropString;
SaveGame Games[MaxSaveGames];
// Window/Printing routines
///////////////////////////////////////////////////////////////////////////
//
// US_SetPrintRoutines() - Sets the routines used to measure and print
// from within the User Mgr. Primarily provided to allow switching
// between masked and non-masked fonts
//
///////////////////////////////////////////////////////////////////////////
void
US_SetPrintRoutines(void (*measure)(char far *,u16int *,u16int *),void (*print)(char far *))
{
USL_MeasureString = measure;
USL_DrawString = print;
}
///////////////////////////////////////////////////////////////////////////
//
// US_Print() - Prints a string in the current window. Newlines are
// supported.
//
///////////////////////////////////////////////////////////////////////////
void
US_Print(char far *s)
{
char c,far *se;
u16int w,h;
while (*s)
{
se = s;
while ((c = *se) && (c != '\n'))
se++;
*se = '\0';
USL_MeasureString(s,&w,&h);
px = PrintX;
py = PrintY;
USL_DrawString(s);
s = se;
if (c)
{
*se = c;
s++;
PrintX = WindowX;
PrintY += h;
}
else
PrintX += w;
}
}
///////////////////////////////////////////////////////////////////////////
//
// US_PrintUnsigned() - Prints an u32int
//
///////////////////////////////////////////////////////////////////////////
void
US_PrintUnsigned(u32int n)
{
char buffer[32];
US_Print(ultoa(n,buffer,10));
}
///////////////////////////////////////////////////////////////////////////
//
// US_PrintSigned() - Prints a s32int
//
///////////////////////////////////////////////////////////////////////////
void
US_PrintSigned(s32int n)
{
char buffer[32];
US_Print(ltoa(n,buffer,10));
}
///////////////////////////////////////////////////////////////////////////
//
// USL_PrintInCenter() - Prints a string in the center of the given rect
//
///////////////////////////////////////////////////////////////////////////
void
USL_PrintInCenter(char far *s,Rectangle r)
{
u16int w,h;
USL_MeasureString(s,&w,&h);
px = r.min.x + ((Dx(r) - w) / 2);
py = r.min.y + ((Dy(r) - h) / 2);
USL_DrawString(s);
}
///////////////////////////////////////////////////////////////////////////
//
// US_PrintCentered() - Prints a string centered in the current window.
//
///////////////////////////////////////////////////////////////////////////
void
US_PrintCentered(char far *s)
{
USL_PrintInCenter(s,Rect(WindowX,WindowY,WindowW+WindowX,WindowH+WindowY);
}
///////////////////////////////////////////////////////////////////////////
//
// US_CPrintLine() - Prints a string centered on the current line and
// advances to the next line. Newlines are not supported.
//
///////////////////////////////////////////////////////////////////////////
void
US_CPrintLine(char far *s)
{
u16int w,h;
USL_MeasureString(s,&w,&h);
if (w > WindowW)
Quit("US_CPrintLine() - String exceeds width");
px = WindowX + ((WindowW - w) / 2);
py = PrintY;
USL_DrawString(s);
PrintY += h;
}
///////////////////////////////////////////////////////////////////////////
//
// US_CPrint() - Prints a string in the current window. Newlines are
// supported.
//
///////////////////////////////////////////////////////////////////////////
void
US_CPrint(char far *s)
{
char c,far *se;
while (*s)
{
se = s;
while ((c = *se) && (c != '\n'))
se++;
*se = '\0';
US_CPrintLine(s);
s = se;
if (c)
{
*se = c;
s++;
}
}
}
///////////////////////////////////////////////////////////////////////////
//
// US_ClearWindow() - Clears the current window to white and homes the
// cursor
//
///////////////////////////////////////////////////////////////////////////
void
US_ClearWindow(void)
{
VWB_Bar(WindowX,WindowY,WindowW,WindowH,WHITE);
PrintX = WindowX;
PrintY = WindowY;
}
///////////////////////////////////////////////////////////////////////////
//
// US_DrawWindow() - Draws a frame and sets the current window parms
//
///////////////////////////////////////////////////////////////////////////
void
US_DrawWindow(u16int x,u16int y,u16int w,u16int h)
{
u16int i,
sx,sy,sw,sh;
WindowX = x * 8;
WindowY = y * 8;
WindowW = w * 8;
WindowH = h * 8;
PrintX = WindowX;
PrintY = WindowY;
sx = (x - 1) * 8;
sy = (y - 1) * 8;
sw = (w + 1) * 8;
sh = (h + 1) * 8;
US_ClearWindow();
VWB_DrawTile8(sx,sy,0),VWB_DrawTile8(sx,sy + sh,5);
for (i = sx + 8;i <= sx + sw - 8;i += 8)
VWB_DrawTile8(i,sy,1),VWB_DrawTile8(i,sy + sh,6);
VWB_DrawTile8(i,sy,2),VWB_DrawTile8(i,sy + sh,7);
for (i = sy + 8;i <= sy + sh - 8;i += 8)
VWB_DrawTile8(sx,i,3),VWB_DrawTile8(sx + sw,i,4);
}
///////////////////////////////////////////////////////////////////////////
//
// US_CenterWindow() - Generates a window of a given width & height in the
// middle of the screen
//
///////////////////////////////////////////////////////////////////////////
void
US_CenterWindow(u16int w,u16int h)
{
US_DrawWindow(((MaxX / 8) - w) / 2,((MaxY / 8) - h) / 2,w,h);
}
///////////////////////////////////////////////////////////////////////////
//
// US_SaveWindow() - Saves the current window parms into a record for
// later restoration
//
///////////////////////////////////////////////////////////////////////////
void
US_SaveWindow(WindowRec *win)
{
win->x = WindowX;
win->y = WindowY;
win->w = WindowW;
win->h = WindowH;
win->px = PrintX;
win->py = PrintY;
}
///////////////////////////////////////////////////////////////////////////
//
// US_RestoreWindow() - Sets the current window parms to those held in the
// record
//
///////////////////////////////////////////////////////////////////////////
void
US_RestoreWindow(WindowRec *win)
{
WindowX = win->x;
WindowY = win->y;
WindowW = win->w;
WindowH = win->h;
PrintX = win->px;
PrintY = win->py;
}
// Input routines
///////////////////////////////////////////////////////////////////////////
//
// USL_XORICursor() - XORs the I-bar text cursor. Used by US_LineInput()
//
///////////////////////////////////////////////////////////////////////////
static void
USL_XORICursor(s16int x,s16int y,char *s,u16int cursor)
{
static int status; // VGA doesn't XOR...
char buf[MaxString];
s16int temp;
u16int w,h;
strcpy(buf,s);
buf[cursor] = '\0';
USL_MeasureString(buf,&w,&h);
px = x + w - 1;
py = y;
if (status^=1)
USL_DrawString("\x80");
else
{
temp = fontcolor;
fontcolor = backcolor;
USL_DrawString("\x80");
fontcolor = temp;
}
}
///////////////////////////////////////////////////////////////////////////
//
// US_LineInput() - Gets a line of user input at (x,y), the string defaults
// to whatever is pointed at by def. Input is restricted to maxchars
// chars or maxwidth pixels wide. If the user hits escape (and escok is
// true), nothing is copied into buf, and false is returned. If the
// user hits return, the current string is copied into buf, and true is
// returned
//
///////////////////////////////////////////////////////////////////////////
int
US_LineInput(s16int x,s16int y,char *buf,char *def,int escok,
s16int maxchars,s16int maxwidth)
{
int redraw,
cursorvis,cursormoved,
done,result;
u8int sc;
char c,
s[MaxString],olds[MaxString];
u16int i,
cursor,
w,h,
len,temp;
u32int lasttime;
if (def)
strcpy(s,def);
else
*s = '\0';
*olds = '\0';
cursor = strlen(s);
cursormoved = redraw = true;
cursorvis = done = false;
lasttime = TimeCount;
LastASCII = key_None;
LastScan = sc_None;
while (!done)
{
if (cursorvis)
USL_XORICursor(x,y,s,cursor);
asm pushf
asm cli
sc = LastScan;
LastScan = sc_None;
c = LastASCII;
LastASCII = key_None;
asm popf
switch (sc)
{
case sc_LeftArrow:
if (cursor)
cursor--;
c = key_None;
cursormoved = true;
break;
case sc_RightArrow:
if (s[cursor])
cursor++;
c = key_None;
cursormoved = true;
break;
case sc_Home:
cursor = 0;
c = key_None;
cursormoved = true;
break;
case sc_End:
cursor = strlen(s);
c = key_None;
cursormoved = true;
break;
case sc_Return:
strcpy(buf,s);
done = true;
result = true;
c = key_None;
break;
case sc_Escape:
if (escok)
{
done = true;
result = false;
}
c = key_None;
break;
case sc_BackSpace:
if (cursor)
{
strcpy(s + cursor - 1,s + cursor);
cursor--;
redraw = true;
}
c = key_None;
cursormoved = true;
break;
case sc_Delete:
if (s[cursor])
{
strcpy(s + cursor,s + cursor + 1);
redraw = true;
}
c = key_None;
cursormoved = true;
break;
case 0x4c: // Keypad 5
case sc_UpArrow:
case sc_DownArrow:
case sc_PgUp:
case sc_PgDn:
case sc_Insert:
c = key_None;
break;
}
if (c)
{
len = strlen(s);
USL_MeasureString(s,&w,&h);
if
(
isprint(c)
&& (len < MaxString - 1)
&& ((!maxchars) || (len < maxchars))
&& ((!maxwidth) || (w < maxwidth))
)
{
for (i = len + 1;i > cursor;i--)
s[i] = s[i - 1];
s[cursor++] = c;
redraw = true;
}
}
if (redraw)
{
px = x;
py = y;
temp = fontcolor;
fontcolor = backcolor;
USL_DrawString(olds);
fontcolor = temp;
strcpy(olds,s);
px = x;
py = y;
USL_DrawString(s);
redraw = false;
}
if (cursormoved)
{
cursorvis = false;
lasttime = TimeCount - TickBase;
cursormoved = false;
}
if (TimeCount - lasttime > TickBase / 2)
{
lasttime = TimeCount;
cursorvis ^= true;
}
if (cursorvis)
USL_XORICursor(x,y,s,cursor);
VW_UpdateScreen();
}
if (cursorvis)
USL_XORICursor(x,y,s,cursor);
if (!result)
{
px = x;
py = y;
USL_DrawString(olds);
}
VW_UpdateScreen();
IN_ClearKeysDown();
return(result);
}